diff options
Diffstat (limited to 'c')
26 files changed, 0 insertions, 5265 deletions
diff --git a/c/src/lib/librdbg/Makefile.in b/c/src/lib/librdbg/Makefile.in deleted file mode 100644 index c86a39c891..0000000000 --- a/c/src/lib/librdbg/Makefile.in +++ /dev/null @@ -1,24 +0,0 @@ -# -# $Id$ -# - -@SET_MAKE@ -srcdir = @srcdir@ -top_srcdir = @top_srcdir@ -top_builddir = . - -RTEMS_ROOT = @RTEMS_ROOT@ -PROJECT_ROOT = @PROJECT_ROOT@ - -VPATH = @srcdir@ - -include $(RTEMS_ROOT)/make/custom/@RTEMS_BSP@.cfg -include $(RTEMS_ROOT)/make/directory.cfg - -INSTALL_CHANGE = @INSTALL_CHANGE@ - -SUB_DIRS = $(RTEMS_CPU) - -Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status - cd $(top_builddir) \ - && CONFIG_FILES=$@ CONFIG_HEADERS= $(SHELL) ./config.status diff --git a/c/src/lib/librdbg/_servtgt.c b/c/src/lib/librdbg/_servtgt.c deleted file mode 100644 index b58ac0e676..0000000000 --- a/c/src/lib/librdbg/_servtgt.c +++ /dev/null @@ -1,305 +0,0 @@ -/* - ============================================================================ - _SERVTGT - $Id$ - ============================================================================ -*/ - - -#include <string.h> -#include <rtems.h> -#include <rtems/error.h> - -#include <rdbg/rdbg.h> -#include <rdbg/rdbg_f.h> -#include <rdbg/servrpc.h> -#include <errno.h> -#include <sys/socket.h> -#include <assert.h> -#include <rtems/score/cpu.h> - -#ifdef DDEBUG -#define Ptrace TgtDbgPtrace -#else -#define Ptrace TgtRealPtrace -#endif - -extern int errno; - -rtems_id eventTaskId; -rtems_id serializeSemId; -rtems_id wakeupEventSemId; - -CPU_Exception_frame Idle_frame; - -/* ----------------------------------------------------------------- - TgtRealPtrace - lowest level ptrace() wrapper - ----------------------------------------------------------------- */ - - int -TgtRealPtrace(int req, PID aid, char* addr, int d, void* addr2) -{ - return ptrace(req, aid, addr, d, addr2); -} - - - -/* ----------------------------------------------------------------------- - TgtChange() is called when the system stops. - It informs the generic layers must be informed of - that fact. - ----------------------------------------------------------------------- */ - - static int -TgtChange (PID pid, CPU_Exception_frame* ctx, int status) -{ - - if (TgtHandleChildChange (pid, &status, NULL, ctx)) { - TgtNotifyWaitChange (pid, status, -1); - } - - return 0; -} - -/* ----------------------------------------------------------------------- - eventTask - ----------------------------------------------------------------------- */ - -rtems_task eventTask( rtems_task_argument pid) -{ - Exception_context *ctx; - - DPRINTF (("event task: pid %d\n", pid)); - - - /* - * we spend all our time waiting for a semaphore. - * If wait change, we send info - */ - - for (;;){ - DPRINTF (("Event Task: wait event\n")); - rtems_semaphore_obtain(wakeupEventSemId, RTEMS_WAIT, RTEMS_NO_TIMEOUT); - DPRINTF (("Event Task: wake up !!!!!!!!!!!!!\n")); - - errno = 0; - ctx = GetExceptCtx(currentTargetThread); - - CheckForSingleStep(ctx->ctx); - - TgtChange(pid, ctx->ctx,STS_MAKESIG(ExcepToSig(ctx))); - - } -} - -/* ------------------------------------------------------------------- - MyThreadIdle - - - This task is used to initiate the exception mechanism: - It calls the enterDebug function with justSaveContext=1 - only to push a first valid context in the list - ---------------------------------------------------------------------*/ - -rtems_task MyThreadIdle(rtems_task_argument argument) -{ - enterRdbg(); - rtems_task_delete( RTEMS_SELF ); -} - -/* ----------------------------------------------------------------------- - TgtAttach - attach to a process that is running without control. - - Notes: - - this function performs a ptrace ATTACH equivalent (attaching to a - process that we do not control now). - ----------------------------------------------------------------------- */ - -Boolean TgtAttach( - int conn_idx, /* client that is requesting */ - PID pid) /* process to attach to */ -{ - rtems_name task_name; - rtems_status_code status; - rtems_id debugId; - - errno = 0; - - DPRINTF (("TgtAttach pid=%d\n",pid)); - - Ptrace(RPT_ATTACH, pid, NULL, 0, NULL); - if (errno) - return(False); /* failed */ - - TgtCreateNew(pid, conn_idx, 0, NULL, False); - - - connect_rdbg_exception(); - - /* - * Create the attach debuger task - */ - task_name = rtems_build_name( 'E', 'v', 'n', 't' ); - if ((status = rtems_task_create( task_name, 10, 24576, - RTEMS_INTERRUPT_LEVEL(0), - RTEMS_DEFAULT_ATTRIBUTES | RTEMS_SYSTEM_TASK, - &eventTaskId )) - != RTEMS_SUCCESSFUL){ - printf("status = %d\n",status); - rtems_panic ("Can't create task.\n"); - } - - status = rtems_task_start(eventTaskId, eventTask, pid); - - status = rtems_semaphore_create (rtems_build_name('D', 'B', 'G', 's'), - 1, - RTEMS_FIFO | - RTEMS_COUNTING_SEMAPHORE | - RTEMS_NO_INHERIT_PRIORITY | - RTEMS_NO_PRIORITY_CEILING | - RTEMS_LOCAL, - 0, - &serializeSemId); - if (status != RTEMS_SUCCESSFUL) - rtems_panic ("Can't create serialize semaphore: `%s'\n",rtems_status_text(status)); - - status = rtems_semaphore_create (rtems_build_name('D', 'B', 'G', 'w'), - 0, - RTEMS_FIFO | - RTEMS_COUNTING_SEMAPHORE | - RTEMS_NO_INHERIT_PRIORITY | - RTEMS_NO_PRIORITY_CEILING | - RTEMS_LOCAL, - 0, - &wakeupEventSemId); - if (status != RTEMS_SUCCESSFUL) - rtems_panic ("Can't create wakeup semaphore: `%s'\n",rtems_status_text(status)); - - /* - * Create the MyThreadIdle task to init Exception mechanism - */ - task_name = rtems_build_name( 'R', 'i', 'n', 'i' ); - if ((status = rtems_task_create( task_name, 10, 24576, - RTEMS_INTERRUPT_LEVEL(0), - RTEMS_DEFAULT_ATTRIBUTES, - &debugId )) - != RTEMS_SUCCESSFUL){ - printf("status = %d\n",status); - rtems_panic ("Can't create task.\n"); - } - - status = rtems_task_start(debugId, MyThreadIdle, pid); - - return(True); -} - -/* ----------------------------------------------------------------------- - TgtPtrace - handle ptrace requests for server. - ----------------------------------------------------------------------- */ - -int TgtPtrace( - int req, - PID pid, - char *addr, - int data, - void *addr2) -{ - if ((req == RPT_SINGLESTEP || req == RPT_CONT) - && addr2) /* clear then step */ - { /* addr2 is the old value */ - int ret; - - errno = 0; - TgtBreakRestoreOrig (pid, addr, addr2); - ret = Ptrace(RPT_SINGLESTEP, pid, addr, data, NULL); /* step over */ - if (ret) /* error, cannot single-step */ - { - int pid_idx = FindPidEntry (pid); - TgtBreakCancelStep (&pid_list [pid_idx]); - } - return(ret); /* failed or done */ - } - else - return(Ptrace(req, pid, addr, data, addr2)); /* normal call */ -} - -/* ----------------------------------------------------------------- - TgtGetThreadName - get thread name - --------------------------------------------------------------- */ - -int TgtGetThreadName ( - PID_LIST *plst, /* Process entry */ - unsigned Id, /* Thread ID */ - char *ThrName) /* Thread name */ -{ - int index; - unsigned name; - - if ( Id <_Objects_Information_table[OBJECTS_RTEMS_TASKS]->maximum_id && - Id >_Objects_Information_table[OBJECTS_RTEMS_TASKS]->minimum_id) { - - index = Id - _Objects_Information_table[OBJECTS_RTEMS_TASKS]->minimum_id; - name = *(unsigned*)(_Objects_Information_table[OBJECTS_RTEMS_TASKS]->local_table[1+index]->name); - ThrName[0] = (char)((name >> 24) & 0xFF ); - ThrName[1] = (char)((name >> 16) & 0xFF ); - ThrName[2] = (char)((name >> 8) & 0xFF ); - ThrName[3] = (char)( name & 0xFF ); - ThrName[4] = 0x0; - return 0; - } - - if ( Id <_Objects_Information_table[OBJECTS_POSIX_THREADS]->maximum_id && - Id >_Objects_Information_table[OBJECTS_POSIX_THREADS]->minimum_id) { - - index = Id - _Objects_Information_table[OBJECTS_POSIX_THREADS]->minimum_id; - name = *(unsigned*)(_Objects_Information_table[OBJECTS_POSIX_THREADS]->local_table[1+index]->name); - ThrName[0] = (char)((name >> 24) & 0xFF ); - ThrName[1] = (char)((name >> 16) & 0xFF ); - ThrName[2] = (char)((name >> 8) & 0xFF ); - ThrName[3] = (char)( name & 0xFF ); - ThrName[4] = 0x0; - return 0; - } - - - return -1; - -} - -/* ----------------------------------------------------------------- - TgtThreadList - return all the threads in the system - ----------------------------------------------------------------- */ - - int -TgtThreadList ( - PID_LIST* plst, /* Process entry */ - unsigned* threads, /* Output buffer */ - unsigned size) /* Output buffer size */ -{ - int curr = 0; - Objects_Id id; - unsigned index; - - id = _Objects_Information_table[OBJECTS_RTEMS_TASKS]->minimum_id; - - while (id < _Objects_Information_table[OBJECTS_RTEMS_TASKS]->maximum_id){ - index = id - _Objects_Information_table[OBJECTS_RTEMS_TASKS]->minimum_id; - if ( _Objects_Information_table[OBJECTS_RTEMS_TASKS]->local_table[1+index] != NULL){ - threads[curr] = (unsigned) id; - curr++; - } - id ++; - } - - id = _Objects_Information_table[OBJECTS_POSIX_THREADS]->minimum_id; - - while (id < _Objects_Information_table[OBJECTS_POSIX_THREADS]->maximum_id){ - index = id - _Objects_Information_table[OBJECTS_POSIX_THREADS]->minimum_id; - if ( _Objects_Information_table[OBJECTS_POSIX_THREADS]->local_table[1+index] != NULL){ - threads[curr] = (unsigned) id; - curr++; - } - id ++; - } - - return curr; -} diff --git a/c/src/lib/librdbg/awk.svc b/c/src/lib/librdbg/awk.svc deleted file mode 100644 index b9a88bdaca..0000000000 --- a/c/src/lib/librdbg/awk.svc +++ /dev/null @@ -1,67 +0,0 @@ -######################################################################### -# -# Component: RDBG -# Module: awk.svc -# -# Synopsis: AWK script which transforms the server skeleton produced -# by rpcgen(1) into something suitable for RDB servers. -# -######################################################################### -# -# $Id$ -# -BEGIN { - headerstarted = 0 - withinproc = 0 - brack = 0 -} - -$1 ~ /^\/\*HEADER_START\*\/$/ { - headerstarted = 1 - printf("#include <rpc/types.h>\n"); - printf("#include <rpc/rpc.h>\n"); - printf("#include <stdio.h>\n"); - printf("#include <stdlib.h>\n"); - printf("#include <string.h>\n"); - printf("#include <bsp.h>\n"); - printf("#include <rdbg/servrpc.h>\n"); - printf("#include <rdbg/%s>\n", THEPROG); - printf("#define fprintf(a,b) printf(b)\n"); - printf("#define msgout(a) printf(a)\n") - printf("#define _msgout(a) fprintf(stderr,a)\n"); -} - -$1 ~ /^\/\*HEADER_END\*\/$/ { - headerstarted = 0 -} - -{ - if (headerstarted == 1) { - print $0 - } else if ($1 ~ /.*_2.*/) { - withinproc = 1 - printf("void\n"); - print $0 - } else if (withinproc == 1) { - if ($1 == "switch") { - print "\tDPRINTF ((\"remotedeb_2: %s (%d)\\n\", " - print "\t\t(unsigned) rqstp->rq_proc < " - print "\t\t(unsigned) (sizeof names / sizeof names[0]) ?" - print "\t\tnames [rqstp->rq_proc] : \"???\", " - print "\t\t(int) rqstp->rq_proc));\n" - } - for (i = 1; i <= NF; i++) { - if ($i == "{") { - brack++; - } else if ($i == "}") { - brack--; - if (brack == 0) { - withinproc = 0; - } - } - } - if ($1 != "_rpcsvcdirty" ) { - print $0 - } - } -} diff --git a/c/src/lib/librdbg/configure.in b/c/src/lib/librdbg/configure.in deleted file mode 100644 index 5871e06bfd..0000000000 --- a/c/src/lib/librdbg/configure.in +++ /dev/null @@ -1,55 +0,0 @@ -dnl Process this file with autoconf to produce a configure script. -dnl -dnl $Id$ - -AC_PREREQ(2.13) -AC_INIT(awk.svc) -RTEMS_TOP(../../../..) -AC_CONFIG_AUX_DIR(../../../..) - -RTEMS_CANONICAL_TARGET_CPU - -AC_PROG_MAKE_SET -AC_PROG_INSTALL -# AM_INIT_AUTOMAKE(rtems-c-src-lib-librdbg,$RTEMS_VERSION,no) -AM_MAINTAINER_MODE - -RTEMS_ENABLE_NETWORKING -RTEMS_ENABLE_RDBG -RTEMS_ENABLE_LIBCDIR -RTEMS_ENABLE_BARE - -RTEMS_ENV_RTEMSBSP - -RTEMS_CHECK_CPU -RTEMS_CANONICAL_HOST - -RTEMS_PROJECT_ROOT - -dnl check target cc -RTEMS_PROG_CC_FOR_TARGET -RTEMS_CANONICALIZE_TOOLS - -AC_CHECK_PROG(RPCGEN,rpcgen,rpcgen) -AC_PROG_AWK - -if test "$RPCGEN" = "no"; then - AC_MSG_ERROR([missing rpcgen, required to build librdbg]) -fi -if test "$AWK" = "no"; then - AC_MSG_ERROR([missing awk, required to build librdbg]) -fi - -RTEMS_CHECK_CUSTOM_BSP(RTEMS_BSP) -RTEMS_BSP_ALIAS(${RTEMS_BSP},bspdir) -RTEMS_CHECK_NETWORKING(RTEMS_BSP) -RTEMS_CHECK_RDBG(bspdir) - -# Try to explicitly list a Makefile here -AC_OUTPUT( -Makefile -i386/Makefile -i386/pc386/Makefile -powerpc/Makefile -powerpc/mcp750/Makefile -) diff --git a/c/src/lib/librdbg/excep.c b/c/src/lib/librdbg/excep.c deleted file mode 100644 index d3183e24e2..0000000000 --- a/c/src/lib/librdbg/excep.c +++ /dev/null @@ -1,136 +0,0 @@ -/* - ************************************************************************** - * - * Component = - * - * Synopsis = rdbgexcep.c - * - * $Id$ - * - ************************************************************************** - */ - -#include <rtems.h> -#include <rtems/error.h> -#include <assert.h> -#include <errno.h> -#include <rdbg/rdbg.h> -#include <rdbg/servrpc.h> - -unsigned int NbExceptCtx; -volatile unsigned int NbSerializedCtx; -Exception_context *FirstCtx = NULL; -Exception_context *LastCtx = NULL; - -CPU_Exception_frame SavedContext; - - -/********* Save an exception context at the end of a list *****/ - -int PushExceptCtx ( Objects_Id Id, Objects_Id semId, CPU_Exception_frame *ctx ) { - - Exception_context *SaveCtx; - - SaveCtx = (Exception_context *)malloc(sizeof(Exception_context)); - if (SaveCtx == NULL) - rtems_panic("Can't allocate memory to save Exception context"); - - SaveCtx->id = Id; - SaveCtx->ctx = ctx; - SaveCtx->semaphoreId = semId; - SaveCtx->previous = NULL; - SaveCtx->next = NULL; - - if (FirstCtx == NULL){ /* initialization */ - FirstCtx = SaveCtx; - LastCtx = SaveCtx; - NbExceptCtx = 1; - } - else { - NbExceptCtx ++; - LastCtx->next = SaveCtx; - SaveCtx->previous = LastCtx; - LastCtx = SaveCtx; - } - return 0; -} - -/********* Save an temporary exception context in a ******/ -/********* global variable ******/ - -int PushSavedExceptCtx ( Objects_Id Id, CPU_Exception_frame *ctx ) { - - memcpy (&(SavedContext), ctx, sizeof(CPU_Exception_frame)); - return 0; -} - - -/****** Remove the context of the specified Id thread *********/ -/****** If Id = -1, then return the first context *********/ - - -int PopExceptCtx ( Objects_Id Id ) { - - Exception_context *ExtractCtx; - - if (FirstCtx == NULL) return -1; - - if (Id == -1) { - ExtractCtx = LastCtx; - LastCtx = LastCtx->previous; - free(ExtractCtx); - NbExceptCtx --; - return 0; - } - - ExtractCtx = LastCtx; - - while (ExtractCtx->id != Id && ExtractCtx != NULL) { - ExtractCtx = ExtractCtx->previous; - } - - if (ExtractCtx == NULL) - return -1; - - if ( ExtractCtx->previous != NULL) - (ExtractCtx->previous)->next = ExtractCtx->next; - - if ( ExtractCtx->next != NULL) - (ExtractCtx->next)->previous = ExtractCtx->previous; - - if (ExtractCtx == FirstCtx) - FirstCtx = FirstCtx->next; - else - if (ExtractCtx == LastCtx) - LastCtx = LastCtx->previous; - - free(ExtractCtx); - NbExceptCtx --; - return 0; -} - -/****** Return the context of the specified Id thread *********/ -/****** If Id = -1, then return the first context *********/ - - -Exception_context *GetExceptCtx ( Objects_Id Id ) { - - Exception_context *ExtractCtx; - - if (FirstCtx == NULL) return NULL; - - if (Id == -1) { - return LastCtx; - } - - ExtractCtx = LastCtx; - - while (ExtractCtx->id != Id && ExtractCtx != NULL) { - ExtractCtx = ExtractCtx->previous; - } - - if (ExtractCtx == NULL) - return NULL; - - return ExtractCtx; -} diff --git a/c/src/lib/librdbg/i386/Makefile.in b/c/src/lib/librdbg/i386/Makefile.in deleted file mode 100644 index 152aa9eeaa..0000000000 --- a/c/src/lib/librdbg/i386/Makefile.in +++ /dev/null @@ -1,25 +0,0 @@ -# -# $Id$ -# - -@SET_MAKE@ -srcdir = @srcdir@ -top_srcdir = @top_srcdir@ -top_builddir = .. -subdir = i386 - -RTEMS_ROOT = @RTEMS_ROOT@ -PROJECT_ROOT = @PROJECT_ROOT@ - -VPATH = @srcdir@ - -include $(RTEMS_ROOT)/make/custom/@RTEMS_BSP@.cfg -include $(RTEMS_ROOT)/make/directory.cfg - -INSTALL_CHANGE = @INSTALL_CHANGE@ - -SUB_DIRS = @RTEMS_BSP@ - -Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status - cd $(top_builddir) \ - && CONFIG_FILES=$(subdir)/$@ CONFIG_HEADERS= $(SHELL) ./config.status diff --git a/c/src/lib/librdbg/i386/excep_f.c b/c/src/lib/librdbg/i386/excep_f.c deleted file mode 100644 index 100b0d79d6..0000000000 --- a/c/src/lib/librdbg/i386/excep_f.c +++ /dev/null @@ -1,153 +0,0 @@ -/* - ************************************************************************** - * - * Component = - * - * Synopsis = rdbg/i386/excep.c - * - * $Id$ - * - ************************************************************************** - */ - -#include <rtems.h> -#include <rtems/error.h> -#include <assert.h> -#include <errno.h> -#include <rdbg/rdbg.h> -#include <rdbg/servrpc.h> - -/* ----------------------------------------------------------------- - Maping of hardware exceptions into Unix-like signal numbers. - It is identical to the one used by the PM and the AM. - ----------------------------------------------------------------- */ - - int -ExcepToSig (Exception_context *ctx) -{ - int excep = getExcNum (ctx); - - - switch (excep) { - - case I386_EXCEPTION_MATH_COPROC_UNAVAIL: - case I386_EXCEPTION_I386_COPROC_SEG_ERR: - case I386_EXCEPTION_FLOAT_ERROR: - case I386_EXCEPTION_BOUND: - return SIGFPE; - - case I386_EXCEPTION_DEBUG: - case I386_EXCEPTION_BREAKPOINT: - case I386_EXCEPTION_ENTER_RDBG: - return SIGTRAP; - - case I386_EXCEPTION_OVERFLOW: - case I386_EXCEPTION_DIVIDE_BY_ZERO: - case I386_EXCEPTION_ILLEGAL_INSTR: - return SIGILL; - - case I386_EXCEPTION_SEGMENT_NOT_PRESENT: - case I386_EXCEPTION_STACK_SEGMENT_FAULT: - case I386_EXCEPTION_GENERAL_PROT_ERR: - case I386_EXCEPTION_PAGE_FAULT: - return SIGSEGV; - - default: - break; - } - return SIGKILL; -} - - -/*----- Breakpoint Exception management -----*/ - - /* - * Handler for Breakpoint Exceptions : - * software breakpoints. - */ - -void -BreakPointExcHdl(CPU_Exception_frame *ctx) -{ - rtems_status_code status; - rtems_id continueSemId; - - if ( (justSaveContext) && (ctx->idtIndex == I386_EXCEPTION_ENTER_RDBG) ) { - PushSavedExceptCtx (_Thread_Executing->Object.id, ctx); - justSaveContext = 0; - } - else { - if (ctx->idtIndex != I386_EXCEPTION_DEBUG){ - NbSerializedCtx++; - rtems_semaphore_obtain(serializeSemId, RTEMS_WAIT, RTEMS_NO_TIMEOUT); - NbSerializedCtx--; - } - - currentTargetThread = _Thread_Executing->Object.id; - -#ifdef DDEBUG - printk("----------------------------------------------------------\n"); - printk("Exception %d caught at PC %x by thread %d\n", - ctx->idtIndex, - ctx->eip, - _Thread_Executing->Object.id); - printk("----------------------------------------------------------\n"); - printk("Processor execution context at time of the fault was :\n"); - printk("----------------------------------------------------------\n"); - printk(" EAX = %x EBX = %x ECX = %x EDX = %x\n", - ctx->eax, ctx->ebx, ctx->ecx, ctx->edx); - printk(" ESI = %x EDI = %x EBP = %x ESP = %x\n", - ctx->esi, ctx->edi, ctx->ebp, ctx->esp0); - printk("----------------------------------------------------------\n"); - printk("Error code pushed by processor itself (if not 0) = %x\n", - ctx->faultCode); - printk("----------------------------------------------------------\n\n"); -#endif - - status = rtems_semaphore_create (rtems_build_name('D', 'B', 'G', 'c'), - 0, - RTEMS_FIFO | - RTEMS_COUNTING_SEMAPHORE | - RTEMS_NO_INHERIT_PRIORITY | - RTEMS_NO_PRIORITY_CEILING | - RTEMS_LOCAL, - 0, - &continueSemId); - if (status != RTEMS_SUCCESSFUL) - rtems_panic ("Can't create continue semaphore: `%s'\n",rtems_status_text(status)); - - PushExceptCtx (_Thread_Executing->Object.id, continueSemId, ctx); - - switch (ctx->idtIndex){ - case I386_EXCEPTION_DEBUG: - DPRINTF((" DEBUG EXCEPTION !!!\n")); - ctx->eflags &= ~EFLAGS_TF; - ExitForSingleStep-- ; - rtems_semaphore_release( wakeupEventSemId ); - break; - - case I386_EXCEPTION_BREAKPOINT: - DPRINTF((" BREAKPOINT EXCEPTION !!!\n")); - rtems_semaphore_release( wakeupEventSemId ); - break; - - case I386_EXCEPTION_ENTER_RDBG: - DPRINTF((" ENTER RDBG !!!\n")); - rtems_semaphore_release( wakeupEventSemId ); - break; - - default: - DPRINTF((" OTHER EXCEPTION !!!\n")); - rtems_semaphore_release( wakeupEventSemId ); - break; - } - - rtems_semaphore_obtain(continueSemId, RTEMS_WAIT, RTEMS_NO_TIMEOUT); - - PopExceptCtx (_Thread_Executing->Object.id); - rtems_semaphore_delete(continueSemId); - } -} - - - diff --git a/c/src/lib/librdbg/i386/pc386/Makefile.in b/c/src/lib/librdbg/i386/pc386/Makefile.in deleted file mode 100644 index 6717e7e695..0000000000 --- a/c/src/lib/librdbg/i386/pc386/Makefile.in +++ /dev/null @@ -1,109 +0,0 @@ -# -# $Id$ -# - -@SET_MAKE@ -srcdir = @srcdir@ -top_srcdir = @top_srcdir@ -top_builddir = ../.. -subdir = i386/pc386 - -RTEMS_ROOT = @RTEMS_ROOT@ -PROJECT_ROOT = @PROJECT_ROOT@ - -VPATH = @srcdir@:@srcdir@/..:@srcdir@/../.. - -LIBNAME = librdbg.a -LIB = ${ARCH}/${LIBNAME} - -# C and C++ source names, if any, go here -- minus the .c or .cc -C_PIECES = rdbg servcon servbkpt servrpc excep_f servtgt servtsp \ - servutil _servtgt rdbg_f ptrace - -C_FILES = $(C_PIECES:%=%.c) -C_O_FILES = $(C_PIECES:%=${ARCH}/%.o) - -# Asm source names, if any, go here -- minus the .s -S_PIECES = rdbg_cpu_asm -S_FILES = $(S_PIECES:%=%.S) -S_O_FILES = $(S_PIECES:%=${ARCH}/%.o) - -# Generated C source names, if any, go here -- minus the .c -GEN_C_PIECES = remdeb_xdr remdeb_svc -GEN_C_FILES = $(GEN_C_PIECES:%=%.c) -GEN_C_O_FILES = $(GEN_C_PIECES:%=${ARCH}/%.o) - -# H source names, if any, go here -- minus the .h -H_PIECES = remdeb -H_FILES = $(H_PIECES:%=%.h) - -# X source names -X_FILES = remdeb.x remdeb_f.x - -SRCS = $(C_FILES) $(S_FILES) $(GEN_C_FILES) $(H_FILES) -OBJS = $(GEN_C_O_FILES) $(C_O_FILES) $(S_O_FILES) - -RPCGEN = @RPCGEN@ -AWK = @AWK@ - -include $(RTEMS_ROOT)/make/custom/@RTEMS_BSP@.cfg -include $(RTEMS_ROOT)/make/lib.cfg - -INSTALL_CHANGE = @INSTALL_CHANGE@ -mkinstalldirs = $(SHELL) $(top_srcdir)/@RTEMS_TOPdir@/mkinstalldirs - -INSTALLDIRS = $(PROJECT_INCLUDE)/rdbg - -$(INSTALLDIRS): - @$(mkinstalldirs) $(INSTALLDIRS) - -# -# Add local stuff here using += -# - -DEFINES += -CPPFLAGS += -CFLAGS += - -# -# Add your list of files to delete here. The config files -# already know how to delete some stuff, so you may want -# to just run 'make clean' first to see what gets missed. -# 'make clobber' already includes 'make clean' -# - -CLEAN_ADDITIONS += $(LIB) $(H_FILES) $(GEN_C_FILES) -CLOBBER_ADDITIONS += - -FRONTEND = \"$(RTEMS_CPU)/@RTEMS_BSP@/remdeb_f.x\" - -all: ${ARCH} $(LIB) - @$(INSTALL_VARIANT) -m 644 $(LIB) $(PROJECT_RELEASE)/lib - -$(LIB): $(SRCS) ${OBJS} - $(make-library) - -remdeb.h: $(X_FILES) - @rm -f $@ - ( pwd=`pwd`; cd $(srcdir)/../..; \ - $(RPCGEN) -h -DFRONTEND=$(FRONTEND) \ - -o $$pwd/$@ remdeb.x ) - @$(INSTALL_CHANGE) -m 755 $@ $(PROJECT_INCLUDE)/rdbg - -remdeb_xdr.c: $(X_FILES) - @rm -f $@ - ( pwd=`pwd`; cd $(srcdir)/../..; \ - $(RPCGEN) -c -DFRONTEND=$(FRONTEND) \ - -o $$pwd/$@ remdeb.x ) - -remdeb_svc.c: $(X_FILES) - @rm -f $@ tmpSvc.c - ( pwd=`pwd`; cd $(srcdir)/../..; \ - $(RPCGEN) -s udp -DFRONTEND=$(FRONTEND) \ - -o $$pwd/tmpSvc.c remdeb.x ) - $(AWK) -f $(srcdir)/../../awk.svc THEPROG="remdeb.h" tmpSvc.c >$@ - @rm -f tmpSvc.c - -Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status - cd $(top_builddir) \ - && CONFIG_FILES=$(subdir)/$@ CONFIG_HEADERS= $(SHELL) ./config.status diff --git a/c/src/lib/librdbg/i386/pc386/remdeb_f.x b/c/src/lib/librdbg/i386/pc386/remdeb_f.x deleted file mode 100644 index 01d899fe54..0000000000 --- a/c/src/lib/librdbg/i386/pc386/remdeb_f.x +++ /dev/null @@ -1,59 +0,0 @@ -/* - ************************************************************************** - * - * Component = rdblib - * - * Synopsis = remdeb_f.x - * - * $Id$ - * - ************************************************************************** - */ - -struct xdr_regs -{ - unsigned int tabreg[19]; -}; - -#ifdef RPC_HDR - -%/* now define register macros to apply to xdr_reg struct */ -% -%#define GS 0 -%#define FS 1 -%#define ES 2 -%#define DS 3 -%#define EDI 4 -%#define ESI 5 -%#define EBP 6 -%#define ESP 7 -%#define EBX 8 -%#define EDX 9 -%#define ECX 10 -%#define EAX 11 -%#define TRAPNO 12 -%#define ERR 13 -%#define EIP 14 -%#define CS 15 -%#define EFL 16 -%#define UESP 17 -%#define SS 18 -% -%#define REG_PC tabreg[EIP] /* PC (eip) register offset */ -%#define REG_SP tabreg[UESP] /* SP (uesp) register offset */ -%#define REG_FP tabreg[EBP] /* FP (ebp) register offset */ - -%/* now define the BREAKPOINT mask technique to a long word */ -%#define SET_BREAK(l) ((l&0xFFFFFF00) | 0xCC) -%#define IS_BREAK(l) (((l) & 0xFF) == 0xCC) -%#define ORG_BREAK(c,p) (((c) & 0xFFFFFF00) | ((p) & 0xFF)) -%#define IS_STEP(regs) (regs.tabreg[TRAPNO] == 1) /* was step and not break */ -%#define BREAK_ADJ 1 /* must subtract one from address after bp */ -%#define BREAK_SIZE 1 /* Breakpoint occupies one byte */ - -%#define TARGET_PROC_TYPE 0 - -#endif - - - diff --git a/c/src/lib/librdbg/i386/rdbg_cpu_asm.S b/c/src/lib/librdbg/i386/rdbg_cpu_asm.S deleted file mode 100644 index 073262f864..0000000000 --- a/c/src/lib/librdbg/i386/rdbg_cpu_asm.S +++ /dev/null @@ -1,72 +0,0 @@ -/* cpu_asm.s - * - * This file contains all assembly code for the Intel i386 implementation - * of RDBG. - * - * $Id$ - * - */ - -#include <asm.h> - - BEGIN_CODE - -/* - * void copyback_data_cache_and_invalidate_instr_cache(addr, size) - * - * This routine performs a copy of the data cache - * and invalidate the instruction cache - */ - - .p2align 1 - PUBLIC (copyback_data_cache_and_invalidate_instr_cache) - -SYM (copyback_data_cache_and_invalidate_instr_cache): - wbinvd - ret - - - -/* - * void enterRdbg(void) - * - * This function perform a call to the exception 19 - * It is used : - * 1 - in the user code, to simulate a Breakpoint. - * (with justSaveContext = 0) - * 2 - in the RDBG code, to push a ctx in the list. - * (with justSaveContext = 1) - * - * In most of case, it will be use as described in 1. - * The 2nd possibility will be used by RDBG to obtain - * its own ctx - */ - - PUBLIC (enterRdbg) - -SYM (enterRdbg): - int $50 - ret - - -/* - * void rtems_exception_prologue_50(void) - * - * Exception 50 is used to enter Rdbg - * - */ - - .p2align 4 - - PUBLIC (rtems_exception_prologue_50) - PUBLIC (_Exception_Handler) - -SYM (rtems_exception_prologue_50): - pushl $ 0 - pushl $ 50 - jmp SYM(_Exception_Handler) ; - - -END_CODE - -END diff --git a/c/src/lib/librdbg/i386/rdbg_f.c b/c/src/lib/librdbg/i386/rdbg_f.c deleted file mode 100644 index b339256e70..0000000000 --- a/c/src/lib/librdbg/i386/rdbg_f.c +++ /dev/null @@ -1,155 +0,0 @@ -/* - ************************************************************************** - * - * Component = - * - * Synopsis = rdbg/i386/rdbg_f.c - * - * $Id$ - * - ************************************************************************** - */ - -#include <assert.h> -#include <errno.h> -#include <rdbg/reg.h> -#include <rdbg/remdeb.h> -#include <rdbg/rdbg.h> -#include <rtems/score/cpu.h> -#include <rtems/score/thread.h> - - -void -CtxToRegs (const CPU_Exception_frame* ctx, xdr_regs* regs) -{ - regs->tabreg [GS] = 0; - regs->tabreg [FS] = 0; - regs->tabreg [ES] = 0; - regs->tabreg [DS] = 0; - regs->tabreg [EDI] = ctx->edi; - regs->tabreg [ESI] = ctx->esi; - regs->tabreg [EBP] = ctx->ebp; - regs->tabreg [ESP] = ctx->esp0; - regs->tabreg [EBX] = ctx->ebx; - regs->tabreg [EDX] = ctx->edx; - regs->tabreg [ECX] = ctx->ecx; - regs->tabreg [EAX] = ctx->eax; - regs->tabreg [TRAPNO] = ctx->idtIndex; - regs->tabreg [ERR] = ctx->faultCode; - regs->tabreg [EIP] = ctx->eip; - regs->tabreg [CS] = ctx->cs & 0xFFFF; - regs->tabreg [EFL] = ctx->eflags; -} - - - void -RegsToCtx (const xdr_regs* regs, CPU_Exception_frame* ctx) -{ - ctx->edi = regs->tabreg [EDI]; - ctx->esi = regs->tabreg [ESI]; - ctx->ebp = regs->tabreg [EBP]; - ctx->esp0 = regs->tabreg [ESP]; - ctx->ebx = regs->tabreg [EBX]; - ctx->edx = regs->tabreg [EDX]; - ctx->ecx = regs->tabreg [ECX]; - ctx->eax = regs->tabreg [EAX]; - ctx->idtIndex = regs->tabreg [TRAPNO]; - ctx->faultCode = regs->tabreg [ERR]; - ctx->eip = regs->tabreg [EIP]; - ctx->cs = regs->tabreg [CS]; - ctx->eflags = regs->tabreg [EFL]; -} - -void -get_ctx_thread( Thread_Control *thread, CPU_Exception_frame* ctx) -{ - ctx->edi = thread->Registers.edi; - ctx->esi = thread->Registers.esi; - ctx->ebp = (unsigned32)(thread->Registers.ebp); - ctx->esp0 = (unsigned32)(thread->Registers.esp); - ctx->ebx = thread->Registers.ebx; - ctx->edx = 0; - ctx->ecx = 0; - ctx->eax = 0; - ctx->idtIndex = 0; - ctx->faultCode = 0; - ctx->eip = *(unsigned int*)(thread->Registers.esp); - ctx->cs = 0; - ctx->eflags = thread->Registers.eflags; -} - -void -set_ctx_thread( Thread_Control *thread, CPU_Exception_frame* ctx) -{ - thread->Registers.edi = ctx->edi; - thread->Registers.esi = ctx->esi; - thread->Registers.ebp = (void*)(ctx->ebp); - thread->Registers.esp = (void*)(ctx->esp0); - thread->Registers.ebx = ctx->ebx; - thread->Registers.eflags = ctx->eflags; -} - - - -int -Single_Step(CPU_Exception_frame* ctx) -{ - /* Check if not already set */ - if ((ctx->eflags & EFLAGS_TF) != 0 || ExitForSingleStep != 0) { - /* Check coherency */ - assert ((ctx->eflags & EFLAGS_TF) != 0); - assert (ExitForSingleStep != 0); - return 0; - } - ctx->eflags |= EFLAGS_TF; /* eflags */ - ++ExitForSingleStep; - - return 0; -} - - int -CheckForSingleStep (CPU_Exception_frame* ctx) -{ - if (ExitForSingleStep) { - /* - * This functions can be called both from - * INT1 and INT3 handlers. In case it is - * called from INT3, need to clear TF. - */ - ctx->eflags &= ~EFLAGS_TF; - ExitForSingleStep = 0; - return 1; - } - return 0; -} - -void -CancelSingleStep (CPU_Exception_frame* ctx) -{ - /* Cancel scheduled SS */ - ctx->eflags &= ~EFLAGS_TF; - ExitForSingleStep-- ; -} - -cpuExcHandlerType old_currentExcHandler; -extern void rtems_exception_prologue_50(); - -void connect_rdbg_exception() -{ - interrupt_gate_descriptor *currentIdtEntry; - unsigned limit; - unsigned level; - - /* - * Connect the Exception used to debug - */ - i386_get_info_from_IDTR (¤tIdtEntry, &limit); - - _CPU_ISR_Disable(level); - create_interrupt_gate_descriptor (¤tIdtEntry[50], rtems_exception_prologue_50); - _CPU_ISR_Enable(level); - - old_currentExcHandler = _currentExcHandler; - _currentExcHandler = BreakPointExcHdl ; - -} diff --git a/c/src/lib/librdbg/powerpc/Makefile.in b/c/src/lib/librdbg/powerpc/Makefile.in deleted file mode 100644 index dd0067f3e2..0000000000 --- a/c/src/lib/librdbg/powerpc/Makefile.in +++ /dev/null @@ -1,25 +0,0 @@ -# -# $Id$ -# - -@SET_MAKE@ -srcdir = @srcdir@ -top_srcdir = @top_srcdir@ -top_builddir = .. -subdir = powerpc - -RTEMS_ROOT = @RTEMS_ROOT@ -PROJECT_ROOT = @PROJECT_ROOT@ - -VPATH = @srcdir@ - -include $(RTEMS_ROOT)/make/custom/@RTEMS_BSP@.cfg -include $(RTEMS_ROOT)/make/directory.cfg - -INSTALL_CHANGE = @INSTALL_CHANGE@ - -SUB_DIRS = @RTEMS_BSP@ - -Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status - cd $(top_builddir) \ - && CONFIG_FILES=$(subdir)/$@ CONFIG_HEADERS= $(SHELL) ./config.status diff --git a/c/src/lib/librdbg/powerpc/excep_f.c b/c/src/lib/librdbg/powerpc/excep_f.c deleted file mode 100644 index 8580789b99..0000000000 --- a/c/src/lib/librdbg/powerpc/excep_f.c +++ /dev/null @@ -1,167 +0,0 @@ -/* - ************************************************************************** - * - * Component = - * - * Synopsis = rdbg/powerpc/excep_f.c - * - * $Id$ - * - ************************************************************************** - */ - -#include <rtems.h> -#include <rtems/error.h> -#include <assert.h> -#include <errno.h> -#include <rdbg/rdbg.h> -#include <rdbg/servrpc.h> - - int -ExcepToSig (Exception_context *ctx) -{ - int excep = getExcNum (ctx); - - switch (excep) { - case ASM_FLOAT_VECTOR : return SIGFPE; - - case ASM_TRACE_VECTOR : - case ASM_PROG_VECTOR : - case ASM_SYS_VECTOR : return SIGTRAP; - - case ASM_ISI_VECTOR : return SIGSEGV; - - case ASM_RESET_VECTOR : - case ASM_MACH_VECTOR : - case ASM_EXT_VECTOR : - case ASM_ALIGN_VECTOR : return SIGILL; - - default: - break; - } - return SIGKILL; -} - - -/*----- Breakpoint Exception management -----*/ - - /* - * Handler for Breakpoint Exceptions : - * software breakpoints. - */ - -void -BreakPointExcHdl(CPU_Exception_frame *ctx) -{ - rtems_status_code status; - rtems_id continueSemId; - - if ( (justSaveContext) && (ctx->_EXC_number == ASM_SYS_VECTOR) ) { - PushSavedExceptCtx (_Thread_Executing->Object.id, ctx); - justSaveContext = 0; - } - else { - if (ctx->_EXC_number != ASM_TRACE_VECTOR){ - NbSerializedCtx++; - rtems_semaphore_obtain(serializeSemId, RTEMS_WAIT, RTEMS_NO_TIMEOUT); - NbSerializedCtx--; - } - - currentTargetThread = _Thread_Executing->Object.id; - -#ifdef DDEBUG - printk("----------------------------------------------------------\n"); - printk("Exception %d caught at PC %x by thread %d\n", - ctx->_EXC_number, - ctx->EXC_SRR0, - _Thread_Executing->Object.id); - printk("----------------------------------------------------------\n"); - printk("Processor execution context at time of the fault was :\n"); - printk("----------------------------------------------------------\n"); - printk("\t R0 = %x\n", ctx->GPR0); - printk("\t R1 = %x\n", ctx->GPR1); - printk("\t R2 = %x\n", ctx->GPR2); - printk("\t R3 = %x\n", ctx->GPR3); - printk("\t R4 = %x\n", ctx->GPR4); - printk("\t R5 = %x\n", ctx->GPR5); - printk("\t R6 = %x\n", ctx->GPR6); - printk("\t R7 = %x\n", ctx->GPR7); - printk("\t R8 = %x\n", ctx->GPR8); - printk("\t R9 = %x\n", ctx->GPR9); - printk("\t R10 = %x\n", ctx->GPR10); - printk("\t R11 = %x\n", ctx->GPR11); - printk("\t R12 = %x\n", ctx->GPR12); - printk("\t R13 = %x\n", ctx->GPR13); - printk("\t R14 = %x\n", ctx->GPR14); - printk("\t R15 = %x\n", ctx->GPR15); - printk("\t R16 = %x\n", ctx->GPR16); - printk("\t R17 = %x\n", ctx->GPR17); - printk("\t R18 = %x\n", ctx->GPR18); - printk("\t R19 = %x\n", ctx->GPR19); - printk("\t R20 = %x\n", ctx->GPR20); - printk("\t R21 = %x\n", ctx->GPR21); - printk("\t R22 = %x\n", ctx->GPR22); - printk("\t R23 = %x\n", ctx->GPR23); - printk("\t R24 = %x\n", ctx->GPR24); - printk("\t R25 = %x\n", ctx->GPR25); - printk("\t R26 = %x\n", ctx->GPR26); - printk("\t R27 = %x\n", ctx->GPR27); - printk("\t R28 = %x\n", ctx->GPR28); - printk("\t R29 = %x\n", ctx->GPR29); - printk("\t R30 = %x\n", ctx->GPR30); - printk("\t R31 = %x\n", ctx->GPR31); - printk("\t CR = %x\n", ctx->EXC_CR); - printk("\t CTR = %x\n", ctx->EXC_CTR); - printk("\t XER = %x\n", ctx->EXC_XER); - printk("\t LR = %x\n", ctx->EXC_LR); - printk("\t MSR = %x\n", ctx->EXC_MSR); -#endif - - status = rtems_semaphore_create (rtems_build_name('D', 'B', 'G', 'c'), - 0, - RTEMS_FIFO | - RTEMS_COUNTING_SEMAPHORE | - RTEMS_NO_INHERIT_PRIORITY | - RTEMS_NO_PRIORITY_CEILING | - RTEMS_LOCAL, - 0, - &continueSemId); - if (status != RTEMS_SUCCESSFUL) - rtems_panic ("Can't create continue semaphore: `%s'\n",rtems_status_text(status)); - - PushExceptCtx (_Thread_Executing->Object.id, continueSemId, ctx); - - switch (ctx->_EXC_number){ - case ASM_TRACE_VECTOR : - DPRINTF((" TRACE EXCEPTION !!!\n")); - ctx->EXC_SRR1 &= ~MSR_SE; - ExitForSingleStep-- ; - rtems_semaphore_release( wakeupEventSemId ); - break; - - case ASM_PROG_VECTOR : - DPRINTF((" BREAKPOINT EXCEPTION !!!\n")); - rtems_semaphore_release( wakeupEventSemId ); - break; - - case ASM_SYS_VECTOR : - DPRINTF((" ENTER RDBG !!!\n")); - rtems_semaphore_release( wakeupEventSemId ); - break; - - default: - DPRINTF((" OTHER EXCEPTION !!!\n")); - rtems_semaphore_release( wakeupEventSemId ); - break; - } - - rtems_semaphore_obtain(continueSemId, RTEMS_WAIT, RTEMS_NO_TIMEOUT); - - PopExceptCtx (_Thread_Executing->Object.id); - rtems_semaphore_delete(continueSemId); - } - -} - - - diff --git a/c/src/lib/librdbg/powerpc/mcp750/Makefile.in b/c/src/lib/librdbg/powerpc/mcp750/Makefile.in deleted file mode 100644 index 9415b41410..0000000000 --- a/c/src/lib/librdbg/powerpc/mcp750/Makefile.in +++ /dev/null @@ -1,113 +0,0 @@ -# -# $Id$ -# - -@SET_MAKE@ -srcdir = @srcdir@ -top_srcdir = @top_srcdir@ -top_builddir = ../.. -subdir = powerpc/mcp750 - -RTEMS_ROOT = @RTEMS_ROOT@ -PROJECT_ROOT = @PROJECT_ROOT@ - -VPATH = @srcdir@:@srcdir@/..:@srcdir@/../.. - -LIBNAME = librdbg.a -LIB = ${ARCH}/${LIBNAME} - -# C and C++ source names, if any, go here -- minus the .c or .cc -C_PIECES = rdbg servcon servbkpt servrpc excep excep_f servtgt servtsp \ - servutil _servtgt rdbg_f ptrace -C_FILES = $(C_PIECES:%=%.c) -C_O_FILES = $(C_PIECES:%=${ARCH}/%.o) - -# Asm source names, if any, go here -- minus the .s -S_PIECES = rdbg_cpu_asm -S_FILES = $(S_PIECES:%=%.S) -S_O_FILES = $(S_PIECES:%=${ARCH}/%.o) - -# Generated C source names, if any, go here -- minus the .c -GEN_C_PIECES = remdeb_xdr remdeb_svc -GEN_C_FILES = $(GEN_C_PIECES:%=%.c) -GEN_C_O_FILES = $(GEN_C_PIECES:%=${ARCH}/%.o) - -# H source names, if any, go here -- minus the .h -H_PIECES = remdeb -H_FILES = $(H_PIECES:%=%.h) - -# X source names -X_FILES = remdeb.x remdeb_f.x - -SRCS = $(C_FILES) $(S_FILES) $(GEN_C_FILES) $(H_FILES) -OBJS = $(GEN_C_O_FILES) $(C_O_FILES) $(S_O_FILES) - -RPCGEN = @RPCGEN@ -AWK = @AWK@ - -include $(RTEMS_ROOT)/make/custom/@RTEMS_BSP@.cfg -include $(RTEMS_ROOT)/make/lib.cfg - -INSTALL_CHANGE = @INSTALL_CHANGE@ -mkinstalldirs = $(SHELL) $(top_srcdir)/@RTEMS_TOPdir@/mkinstalldirs - -INSTALLDIRS = $(PROJECT_INCLUDE)/rdbg - -$(INSTALLDIRS): - @$(mkinstalldirs) $(INSTALLDIRS) - -# -# Add local stuff here using += -# - -DEFINES += -CPPFLAGS += -# -# Enable traces in RDBG -# -#CFLAGS += -DDDEBUG -# -CFLAGS += - -# -# Add your list of files to delete here. The config files -# already know how to delete some stuff, so you may want -# to just run 'make clean' first to see what gets missed. -# 'make clobber' already includes 'make clean' -# - -CLEAN_ADDITIONS += $(LIB) $(H_FILES) $(GEN_C_FILES) -CLOBBER_ADDITIONS += - -FRONTEND = \"$(RTEMS_CPU)/@RTEMS_BSP@/remdeb_f.x\" - -all: ${ARCH} $(LIB) - @$(INSTALL_VARIANT) -m 644 $(LIB) $(PROJECT_RELEASE)/lib - -$(LIB): $(SRCS) ${OBJS} - $(make-library) - -remdeb.h: $(X_FILES) - @rm -f $@ - ( pwd=`pwd`; cd $(srcdir)/../..; \ - $(RPCGEN) -h -DFRONTEND=$(FRONTEND) \ - -o $$pwd/$@ remdeb.x ) - @$(INSTALL_CHANGE) -m 755 $@ $(PROJECT_INCLUDE)/rdbg - -remdeb_xdr.c: $(X_FILES) - @rm -f $@ - ( pwd=`pwd`; cd $(srcdir)/../..; \ - $(RPCGEN) -c -DFRONTEND=$(FRONTEND) \ - -o $$pwd/$@ remdeb.x ) - -remdeb_svc.c: $(X_FILES) - @rm -f $@ tmpSvc.c - ( pwd=`pwd`; cd $(srcdir)/../..; \ - $(RPCGEN) -s udp -DFRONTEND=$(FRONTEND) \ - -o $$pwd/tmpSvc.c remdeb.x ) - $(AWK) -f $(srcdir)/../../awk.svc THEPROG="remdeb.h" tmpSvc.c >$@ - @rm -f tmpSvc.c - -Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status - cd $(top_builddir) \ - && CONFIG_FILES=$(subdir)/$@ CONFIG_HEADERS= $(SHELL) ./config.status diff --git a/c/src/lib/librdbg/powerpc/mcp750/remdeb_f.x b/c/src/lib/librdbg/powerpc/mcp750/remdeb_f.x deleted file mode 100644 index 10cf8dd540..0000000000 --- a/c/src/lib/librdbg/powerpc/mcp750/remdeb_f.x +++ /dev/null @@ -1,76 +0,0 @@ -/* - ************************************************************************** - * - * Component = rdblib - * Synopsis = remdeb_f.x - * - ************************************************************************** - * $Id$ - ************************************************************************** - */ - -struct xdr_regs -{ - unsigned int tabreg[40]; -}; - -#ifdef RPC_HDR - -%/* now define register macros to apply to xdr_regs struct */ -% -%#define R_PC 0 -%#define R_MSR 1 -%#define R_EXCEPNB 2 -%#define R_R0 3 -%#define R_R1 (R_R0 + 1) -%#define R_R2 (R_R0 + 2) -%#define R_R3 (R_R0 + 3) -%#define R_R4 (R_R0 + 4) -%#define R_R5 (R_R0 + 5) -%#define R_R6 (R_R0 + 6) -%#define R_R7 (R_R0 + 7) -%#define R_R8 (R_R0 + 8) -%#define R_R9 (R_R0 + 9) -%#define R_R10 (R_R0 + 10) -%#define R_R11 (R_R0 + 11) -%#define R_R12 (R_R0 + 12) -%#define R_R13 (R_R0 + 13) -%#define R_R14 (R_R0 + 14) -%#define R_R15 (R_R0 + 15) -%#define R_R16 (R_R0 + 16) -%#define R_R17 (R_R0 + 17) -%#define R_R18 (R_R0 + 18) -%#define R_R19 (R_R0 + 19) -%#define R_R20 (R_R0 + 20) -%#define R_R21 (R_R0 + 21) -%#define R_R22 (R_R0 + 22) -%#define R_R23 (R_R0 + 23) -%#define R_R24 (R_R0 + 24) -%#define R_R25 (R_R0 + 25) -%#define R_R26 (R_R0 + 26) -%#define R_R27 (R_R0 + 27) -%#define R_R28 (R_R0 + 28) -%#define R_R29 (R_R0 + 29) -%#define R_R30 (R_R0 + 30) -%#define R_R31 (R_R0 + 31) -%#define R_CR 35 -%#define R_CTR 36 -%#define R_XER 37 -%#define R_LR 38 -%#define R_MQ 39 -% -%#include <libcpu/raw_exception.h> -% -%#define REG_PC tabreg[R_PC] /* PC register offset */ -%#define REG_SP tabreg[R_R1] /* SP register offset */ -%#define REG_FP tabreg[R_R1] /* SP register offset (no FP on PPC) */ -%#define BREAK_SIZE 4 /* Breakpoint occupies 4 bytes */ -%#define BREAK_ADJ 0 /* Nothing to subtract from address after bp */ -%#define IS_BREAK(l) ((l) == 0x7d8d6808) -%#define SET_BREAK(l) (0x7d8d6808) -%#define ORG_BREAK(c,p) (p) -%#define IS_STEP(regs) (regs.tabreg[R_EXCEPNB] == ASM_TRACE_VECTOR) /* Was step and not break */ -%#define TARGET_PROC_TYPE 3 - -#endif - diff --git a/c/src/lib/librdbg/powerpc/rdbg_cpu_asm.S b/c/src/lib/librdbg/powerpc/rdbg_cpu_asm.S deleted file mode 100644 index 657a279830..0000000000 --- a/c/src/lib/librdbg/powerpc/rdbg_cpu_asm.S +++ /dev/null @@ -1,84 +0,0 @@ -/* cpu_asm.s - * - * This file contains all assembly code for the Intel i386 implementation - * of RDBG. - * - * $Id$ - * - */ - -#include <libcpu/cpu.h> -#include <libcpu/io.h> -#include <rtems/score/targopts.h> -#include <asm.h> - - BEGIN_CODE - -/* - * void copyback_data_cache_and_invalidate_instr_cache(addr, size) - * - * This routine performs a copy of the data cache - * and invalidate the instruction cache - */ - - .p2align 5 - PUBLIC_VAR (copyback_data_cache_and_invalidate_instr_cache) - -SYM (copyback_data_cache_and_invalidate_instr_cache): - /* make sure the data changed is in the cache */ - sync - /* r3 address to handle, r4 length in bytes */ - addi r6, r0, PPC_CACHE_ALIGNMENT - /* r5 = last address to handle */ - add r5,r3,r4 - /* r3 = cache_align(r3, PPC_CACHE_ALIGNMENT) */ - subi r0,r6,1 - andc r3,r3,r0 - /* R4 = R3 = copy of first address */ - mr r4,r3 - /* - * Copyback data cache - */ -1: cmplw r4,r5 /* r4 >= r5 then done */ - dcbst 0,r4 /* flush (data cache bloc store) */ - add r4,r4,r6 /* r4 = next cache line addr */ - blt 1b /* end r4 >= r5 then done */ - sync /* Wait for all dcbst to complete on bus */ - /* - * invalidate instruction cache - */ - /* R4 = fisrt address */ - mr r4,r3 -2: cmplw r4,r5 /* r4 >= r5 then done */ - icbi 0,r4 /* invalidate (instruction cache bloc invalidate) */ - add r4,r4,r6 /* r4 = next cache line addr */ - blt 2b /* end r4 >= r5 then done */ - sync /* Wait for all icbi to complete on bus */ - isync - blr - - -/* - * void enterRdbg(void) - * - * This function perform a call to the exception SYSTEM call - * It is used : - * 1 - in the user code, to simulate a Breakpoint. - * (with justSaveContext = 0) - * 2 - in the RDBG code, to push a ctx in the list. - * (with justSaveContext = 1) - * - * In most of case, it will be use as described in 1. - * The 2nd possibility will be used by RDBG to obtain - * its own ctx - */ - - PUBLIC_VAR (enterRdbg) - -SYM (enterRdbg): - sc - blr - -END_CODE - -END diff --git a/c/src/lib/librdbg/powerpc/rdbg_f.c b/c/src/lib/librdbg/powerpc/rdbg_f.c deleted file mode 100644 index 6149b5d426..0000000000 --- a/c/src/lib/librdbg/powerpc/rdbg_f.c +++ /dev/null @@ -1,156 +0,0 @@ -/* - ************************************************************************** - * - * Component = - * - * Synopsis = rdbg/powerpc/rdbg_f.c - * - * $Id$ - * - ************************************************************************** - */ - -#include <assert.h> -#include <errno.h> -#include <rdbg/reg.h> -#include <rdbg/remdeb.h> -#include <rdbg/rdbg.h> -#include <rtems/score/cpu.h> -#include <rtems/score/thread.h> -#include <libcpu/cpu.h> - -void -CtxToRegs (const CPU_Exception_frame* ctx, xdr_regs* regs) -{ - * ((CPU_Exception_frame*) regs) = *ctx; -} - - - void -RegsToCtx (const xdr_regs* regs, CPU_Exception_frame* ctx) -{ - *ctx = * ((CPU_Exception_frame*) regs); -} - -void -get_ctx_thread( Thread_Control *thread, CPU_Exception_frame* ctx) -{ - unsigned int *ptr; - unsigned int i; - - ctx->EXC_SRR0 = thread->Registers.pc; - ctx->EXC_SRR1 = thread->Registers.msr; - ctx->_EXC_number = 0xdeadbeef; - - ctx->GPR1 = thread->Registers.gpr1; - ctx->GPR2 = thread->Registers.gpr2; - /* - * Fill with dummy values... - */ - ptr = &ctx->GPR3; - for (i = 0; i < 10; i++) - ptr [i] = 0xdeadbeef; - - ctx->GPR13 = thread->Registers.gpr13; - ctx->GPR14 = thread->Registers.gpr14; - ctx->GPR15 = thread->Registers.gpr15; - ctx->GPR16 = thread->Registers.gpr16; - ctx->GPR17 = thread->Registers.gpr17; - ctx->GPR18 = thread->Registers.gpr18; - ctx->GPR19 = thread->Registers.gpr19; - ctx->GPR20 = thread->Registers.gpr20; - ctx->GPR21 = thread->Registers.gpr21; - ctx->GPR22 = thread->Registers.gpr22; - ctx->GPR23 = thread->Registers.gpr23; - ctx->GPR24 = thread->Registers.gpr24; - ctx->GPR25 = thread->Registers.gpr25; - ctx->GPR26 = thread->Registers.gpr26; - ctx->GPR27 = thread->Registers.gpr27; - ctx->GPR28 = thread->Registers.gpr28; - ctx->GPR29 = thread->Registers.gpr29; - ctx->GPR30 = thread->Registers.gpr30; - ctx->GPR31 = thread->Registers.gpr31; - ctx->EXC_CR = thread->Registers.cr; - ctx->EXC_CTR = 0xdeadbeef; - ctx->EXC_XER = 0xdeadbeef; - ctx->EXC_LR = 0xdeadbeef; - ctx->EXC_MSR = 0xdeadbeef; - ctx->EXC_DAR = 0xdeadbeef; -} - -void -set_ctx_thread( Thread_Control *thread, CPU_Exception_frame* ctx) -{ - thread->Registers.gpr1 = ctx->GPR1; - thread->Registers.gpr2 = ctx->GPR2; - - thread->Registers.gpr13 = ctx->GPR13; - thread->Registers.gpr14 = ctx->GPR14; - thread->Registers.gpr15 = ctx->GPR15; - thread->Registers.gpr16 = ctx->GPR16; - thread->Registers.gpr17 = ctx->GPR17; - thread->Registers.gpr18 = ctx->GPR18; - thread->Registers.gpr19 = ctx->GPR19; - thread->Registers.gpr20 = ctx->GPR20; - thread->Registers.gpr21 = ctx->GPR21; - thread->Registers.gpr22 = ctx->GPR22; - thread->Registers.gpr23 = ctx->GPR23; - thread->Registers.gpr24 = ctx->GPR24; - thread->Registers.gpr25 = ctx->GPR25; - thread->Registers.gpr26 = ctx->GPR26; - thread->Registers.gpr27 = ctx->GPR27; - thread->Registers.gpr28 = ctx->GPR28; - thread->Registers.gpr29 = ctx->GPR29; - thread->Registers.gpr30 = ctx->GPR30; - thread->Registers.gpr31 = ctx->GPR31; - thread->Registers.cr = ctx->EXC_CR; - thread->Registers.pc = ctx->EXC_SRR0; - thread->Registers.msr = ctx->EXC_SRR1; -} - - - -int -Single_Step(CPU_Exception_frame* ctx) -{ - if ((ctx->EXC_SRR1 & MSR_SE) != 0 || ExitForSingleStep != 0) { - /* Check coherency */ - assert ((ctx->EXC_SRR1 & MSR_SE) != 0); - assert (ExitForSingleStep != 0); - return 0; - } - ctx->EXC_SRR1 |= MSR_SE; - ++ExitForSingleStep; - return 0; -} - - int -CheckForSingleStep (CPU_Exception_frame* ctx) -{ - if (ExitForSingleStep) { - /* - * This functions can be called both from - * INT1 and INT3 handlers. In case it is - * called from INT3, need to clear TF. - */ - ctx->EXC_SRR1 &= ~MSR_SE; - ExitForSingleStep = 0; - return 1; - } - return 0; -} - -void -CancelSingleStep (CPU_Exception_frame* ctx) -{ - /* Cancel scheduled SS */ - ctx->EXC_SRR1 &= ~MSR_SE; - ExitForSingleStep-- ; -} -cpuExcHandlerType oldExcHandler; - -void connect_rdbg_exception() -{ - oldExcHandler = globalExceptHdl; - globalExceptHdl = BreakPointExcHdl ; -} diff --git a/c/src/lib/librdbg/ptrace.c b/c/src/lib/librdbg/ptrace.c deleted file mode 100644 index 91772bb2bd..0000000000 --- a/c/src/lib/librdbg/ptrace.c +++ /dev/null @@ -1,333 +0,0 @@ -/* - ************************************************************************** - * - * Component = - * - * Synopsis = rkdb/rkdb.c - * - * $Id$ - * - ************************************************************************** - */ - -#include <assert.h> -#include <errno.h> -#include <rdbg/rdbg.h> -#include <rdbg/rdbg_f.h> -#include <rdbg/servrpc.h> - -extern rtems_id serializeSemId; -extern rtems_id wakeupEventSemId; -extern rtems_id eventTaskId; -extern Exception_context *FirstCtx; -extern Exception_context *LastCtx; -extern CPU_Exception_frame SavedContext; -extern unsigned int NbExceptCtx; -extern unsigned int NbSerializedCtx; - - - -/* -------------------------------------------------------------------- - return a pointeur to the Tread Control structure of the specified - Id - -------------------------------------------------------------------- */ - -Thread_Control *Thread_Get_RDBG ( - Objects_Id Id -) -{ - unsigned index; - - if ( Id <_Objects_Information_table[OBJECTS_RTEMS_TASKS]->maximum_id && - Id >_Objects_Information_table[OBJECTS_RTEMS_TASKS]->minimum_id) { - - index = Id - _Objects_Information_table[OBJECTS_RTEMS_TASKS]->minimum_id; - if ( _Objects_Information_table[OBJECTS_RTEMS_TASKS]->local_table[1+index] != NULL) { - return (Thread_Control *)(_Objects_Information_table[OBJECTS_RTEMS_TASKS]->local_table[1+index]); - } - } - - if ( Id <_Objects_Information_table[OBJECTS_POSIX_THREADS]->maximum_id && - Id >_Objects_Information_table[OBJECTS_POSIX_THREADS]->minimum_id) { - - index = Id - _Objects_Information_table[OBJECTS_POSIX_THREADS]->minimum_id; - if ( _Objects_Information_table[OBJECTS_POSIX_THREADS]->local_table[1+index] != NULL) - return (Thread_Control *)(_Objects_Information_table[OBJECTS_POSIX_THREADS]->local_table[1+index]); - } - - return 0; - -} - - -/* -------------------------------------------------------------------- - Memory read - -------------------------------------------------------------------- */ - -int -safeMemRead(void *src, void *dest, int nbBytes){ - - /* - * safe because if it generates an exception, - * it must return normally - * TBD - */ - - memcpy(dest, src, nbBytes); - return 0; -} - -/* -------------------------------------------------------------------- - Memory write - -------------------------------------------------------------------- */ -int -safeMemWrite(void *src, void * dest, int nbBytes){ - - /* - * safe because if it generates an exception, - * it must return normally - * TBD - */ - - memcpy(dest, src, nbBytes); - return 0; -} - -/* -------------------------------------------------------------------- - Ptrace - -------------------------------------------------------------------- */ - -int -ptrace (int request, int pid, char* addr, int data, char* addr2) - { - int diag; - errno = 0 ; - if (pid != 1) { - errno = ESRCH; - return -1; - } - switch (request) { - - case RPT_SINGLESTEP:{ - Exception_context *ctx; - - if (CannotRestart == 1){ - setErrno(EIO); - return -1; - } - - if ((ctx = GetExceptCtx (currentTargetThread)) != NULL) { - Single_Step(ctx->ctx); - rtems_semaphore_release( ctx->semaphoreId ); - return 0; - } - break; - } - - case RPT_PEEKTEXT: - case RPT_PEEKDATA: { - diag = safeMemRead(addr, &data, sizeof data); - if (diag == 0) return data; - mem_error: - return -1; - } - - case RPT_POKETEXT: { - diag = safeMemWrite(&data, addr, sizeof data); - - /* - * We must flush the INSTR and DATA cache to be sure the - * opcode modification is taken into account, because - * the breakpoint opcode is written via the data cache - * while execution code is fetched via the instruction - * cache - */ - - if (diag == 0) { - copyback_data_cache_and_invalidate_instr_cache(addr, sizeof data); - return 0; - } - goto mem_error; - } - case RPT_POKEDATA: { - diag = safeMemWrite(&data, addr, sizeof data); - if (diag == 0) return 0; - goto mem_error; - } - case RPT_CONT: { - Exception_context *ctx; - - if (CannotRestart == 1){ - setErrno (EIO); - return -1; - } - - ctx = GetExceptCtx (currentTargetThread); - - if (!isRdbgException(ctx)) { - CannotRestart = 1; - setErrno (EIO); - return -1; - } - - assert (data == 0); - assert (ExitForSingleStep == 0); - - rtems_semaphore_release( serializeSemId ); - - if ((ctx = GetExceptCtx (currentTargetThread)) != NULL) { - rtems_semaphore_release( ctx->semaphoreId ); - } - return 0; - } - - case RPT_ATTACH: - return 0; - - case RPT_DETACH:{ - Exception_context *ctx; - - if (NbExceptCtx || NbSerializedCtx) { - ctx = FirstCtx; - rtems_task_delete(eventTaskId); - rtems_semaphore_delete(serializeSemId); - rtems_semaphore_delete(wakeupEventSemId); - } - return 0; - } - - case RPT_GETREGS:{ - Exception_context *ctx; - - if ((ctx = GetExceptCtx (currentTargetThread)) != NULL) { - CtxToRegs (ctx->ctx, (xdr_regs*) addr); - return 0; - } - break; - } - - case RPT_SETREGS:{ - Exception_context *ctx; - - if ((ctx = GetExceptCtx (currentTargetThread)) != NULL) { - RegsToCtx ((xdr_regs*) addr, ctx->ctx); - return 0; - } - break; - } - - case RPT_READTEXT: - case RPT_READDATA: { - diag = safeMemRead(addr, addr2, data); - if (diag == 0) return 0; - goto mem_error; - } - case RPT_WRITETEXT: - case RPT_WRITEDATA: { - diag = safeMemWrite(addr2, addr, data); - if (diag == 0) return 0; - goto mem_error; - } - - case RPT_GETTARGETTHREAD: - if (!NbExceptCtx) { - errno = EBUSY; - return -1; - } - return currentTargetThread; - - case RPT_SETTARGETTHREAD: - if (!NbExceptCtx) { - errno = EBUSY; - return -1; - } - currentTargetThread = data; - return 0; - - case RPT_GETTHREADNAME: { - return TgtGetThreadName (NULL, (unsigned)(data), (char *) addr); - } - - case RPT_THREADLIST: { - int count = TgtThreadList (NULL, (unsigned*) addr, UTHREAD_MAX - * sizeof (unsigned)); - if (count < 0) { - errno = EINVAL; - return -1; - } - return count; - } - - case RPT_SETTHREADREGS: { - Exception_context *ctx; - CPU_Exception_frame Ectx; - Thread_Control *thread; - rtems_id id; - - rtems_task_ident(RTEMS_SELF, RTEMS_SEARCH_ALL_NODES, &id); - if (data == (unsigned)id) - break; - - if ((ctx = GetExceptCtx (data)) != NULL) { - RegsToCtx ((xdr_regs*) addr, ctx->ctx); - return 0; - } - thread = Thread_Get_RDBG ((Objects_Id)(data)); - if (thread != NULL) { - RegsToCtx ((xdr_regs*) addr, &Ectx); - set_ctx_thread (thread, &Ectx); - return 0; - } - break; - } - - case RPT_GETTHREADREGS: { - Exception_context *ctx; - CPU_Exception_frame Ectx; - Thread_Control *thread; - rtems_id id; - - rtems_task_ident(RTEMS_SELF, RTEMS_SEARCH_ALL_NODES, &id); - if (data == (unsigned)id){ - justSaveContext = 1; - enterRdbg(); - CtxToRegs (&(SavedContext), (xdr_regs*) addr); - return 0; - } - - if ((ctx = GetExceptCtx (data)) != NULL) { - CtxToRegs (ctx->ctx, (xdr_regs*) addr); - return 0; - } - thread = Thread_Get_RDBG ((Objects_Id)(data)); - if (thread != NULL) { - get_ctx_thread (thread, &Ectx); - CtxToRegs (&Ectx, (xdr_regs*) addr); - return 0; - } - break; - } - - case RPT_KILL: - TotalReboot = 1; - return 0; - - case RPT_TRACEME: - case RPT_PEEKUSER: - case RPT_POKEUSER: - case RPT_GETFPREGS: - case RPT_SETFPREGS: - case RPT_GETFPAREGS: - case RPT_SETFPAREGS: - case RPT_SYSCALL: - case RPT_DUMPCORE: - case RPT_GETUCODE: - case RPT_THREADSUSPEND: - case RPT_THREADRESUME: - case RPT_SETTHREADNAME: - default: - break; - } - errno = EINVAL; - return -1; -} diff --git a/c/src/lib/librdbg/rdbg.c b/c/src/lib/librdbg/rdbg.c deleted file mode 100644 index a7288550a4..0000000000 --- a/c/src/lib/librdbg/rdbg.c +++ /dev/null @@ -1,141 +0,0 @@ -/* - ************************************************************************** - * - * Component = - * - * Synopsis = rkdb/rkdb.c - * - * $Id$ - * - ************************************************************************** - */ - -#include <assert.h> -#include <errno.h> -#include <rtems.h> -#include <rtems/error.h> -#include <rdbg/rdbg.h> -#include <rdbg/servrpc.h> - -u_short rtemsPort = RTEMS_PORT; -int BackPort = RTEMS_BACK_PORT; -int rtemsActive = 0; -SVCXPRT* rtemsXprt; -int rtemsSock; -char ActName[] = "RTEMS"; -volatile int ExitForSingleStep = 0 ; -volatile int Continue; -volatile int justSaveContext; -volatile Objects_Id currentTargetThread; -volatile int CannotRestart = 0; -volatile int TotalReboot = 0; -int CONN_LIST_INC = 3; -int PID_LIST_INC = 1; -int TSP_RETRIES = 10; - - - int -getId() -{ - rtems_id id; - - rtems_task_ident(RTEMS_SELF, RTEMS_SEARCH_ALL_NODES, &id); - return (int)(id) ; -} - - static int -rdbgInit (void) -{ - int sock; - struct sockaddr_in addr; - - sock = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP); - if (sock == -1) { - printf("%s: rkdbInit: cannot allocate socket\n", ActName); - return -1; - } - - bzero( (void *)&addr, sizeof(struct sockaddr_in)); - addr.sin_port = htons(rtemsPort); - if ((bind(sock, (struct sockaddr*) &addr, sizeof(addr))) == -1) { - printf("%s: rkdbInit: cannot bind socket\n", ActName); - return -2; - } - rtemsXprt = svcudp_create(sock); - if (svcudp_enablecache(rtemsXprt, 1) == 0) { - printf("%s: rkdbInit: cannot enable rpc cache\n", ActName); - return -3; - } - rtemsSock = sock; - return 0; -} - - rtems_task -rdbgDaemon (rtems_task_argument argument) -{ - for (;;){ - - if (TotalReboot == 1){ - rtemsReboot(); - } - - svc_processrequest( rtemsXprt, REMOTEDEB, REMOTEVERS, remotedeb_2); - } -} - - void -rtems_rdbg_initialize (void) -{ - rtems_name task_name; - rtems_id tid; - rtems_status_code status; - -#ifdef DDEBUG - rdb_debug = 1; /* DPRINTF now will display */ -#endif - - DPRINTF (("%s init starting\n", ActName)); - - /* Print version string */ -#ifdef DDEBUG - printk ("RDBG v.%d built on [%s %s]\n", SERVER_VERS, __DATE__, __TIME__); -#else - printk ("RDBG v.%d\n", SERVER_VERS); -#endif - - /* Create socket and init UDP RPC server */ - if (rdbgInit() != 0) goto error; - - Continue = 1; - justSaveContext = 0; - currentTargetThread = 0; - - task_name = rtems_build_name( 'R', 'D', 'B', 'G' ); - if ((status = rtems_task_create( task_name, 5, 24576, - RTEMS_INTERRUPT_LEVEL(0), - RTEMS_DEFAULT_ATTRIBUTES | RTEMS_SYSTEM_TASK - , &tid )) - != RTEMS_SUCCESSFUL){ - printf("status = %d\n",status); - rtems_panic ("Can't create task.\n"); - } - - status = rtems_task_start(tid, rdbgDaemon, 0); - - return; - -error: - printf ("initialization failed.\n"); -} - - void -setErrno (int error) -{ - errno = error; -} - - int -getErrno() -{ - return errno; -} diff --git a/c/src/lib/librdbg/remdeb.x b/c/src/lib/librdbg/remdeb.x deleted file mode 100644 index b36ee3dcbb..0000000000 --- a/c/src/lib/librdbg/remdeb.x +++ /dev/null @@ -1,546 +0,0 @@ -/* - ********************************************************************** - * - * Component: RDBG servers - * Module: remdeb.x - * - * Synopsis: XDR definitions for remote debug server RPC calls. - * XDR definitions for RPCGEN to build remote debug server. - * - * $Id$ - * - ********************************************************************** - */ - -#ifdef RPC_SVC -%/*HEADER_START*/ -#endif - -%#define RTEMS_PORT 2071 -%#define RTEMS_BACK_PORT 2073 - -#ifdef RPC_HDR -%#ifndef REMDEB_H -%#define RPCGENSRVNAME(a) a -#endif - -enum rpc_type { - SUNRPC = 0, - BADRPCTYPE = 25 -}; - - -const NET_SAFE = 1400; /* this is safe for UDP messages */ - -struct UDP_MSG -{ /* format of UDP messages (should be in .h) */ - unsigned char type; /* type of message (BMSG_xx) */ - unsigned char msg_num; /* ringed number for resend detect */ - unsigned short spec; /* specific information for type */ - long pid; /* process this affects */ - unsigned long context; /* specific information to request */ -}; - - /* First we support the overhead structures and types needed for RPC - requests. Then, we have all RPC routines input/output args. */ - -%/* -% * Sun request values for the remote ptrace system call -% */ -% -enum ptracereq -{ /* these match PTRACE_xxx numbers */ - RPT_TRACEME = 0, /* 0, by tracee to begin tracing */ - RPT_CHILDDONE = 0, /* 0, tracee is done with his half */ - RPT_PEEKTEXT, /* 1, read word from text segment */ - RPT_PEEKDATA, /* 2, read word from data segment */ - RPT_PEEKUSER, /* 3, read word from user struct */ - RPT_POKETEXT, /* 4, write word into text segment */ - RPT_POKEDATA, /* 5, write word into data segment */ - RPT_POKEUSER, /* 6, write word into user struct */ - RPT_CONT, /* 7, continue process */ - RPT_KILL, /* 8, terminate process */ - RPT_SINGLESTEP, /* 9, single step process */ - RPT_ATTACH, /* 10, attach to an existing process (returns 2 if not primary)*/ - RPT_DETACH, /* 11, detach from a process */ - RPT_GETREGS, /* 12, get all registers */ - RPT_SETREGS, /* 13, set all registers */ - RPT_GETFPREGS, /* 14, get all floating point regs */ - RPT_SETFPREGS, /* 15, set all floating point regs */ - RPT_READDATA, /* 16, read data segment */ - RPT_WRITEDATA, /* 17, write data segment */ - RPT_READTEXT, /* 18, read text segment */ - RPT_WRITETEXT, /* 19, write text segment */ - RPT_GETFPAREGS, /* 20, get all fpa regs */ - RPT_SETFPAREGS, /* 21, set all fpa regs */ - RPT_22, /* 22, filler */ - RPT_23, /* 23, filler */ - RPT_SYSCALL, /* 24, trap next sys call */ - RPT_DUMPCORE, /* 25, dump process core */ - RPT_26, /* 26, filler */ - RPT_27, /* 27, filler */ - RPT_28, /* 28, filler */ - RPT_GETUCODE, /* 29, get u.u_code */ - /* Begin specific ptrace options */ - RPT_GETTARGETTHREAD = 50, /* get PM target thread identifier */ - RPT_SETTARGETTHREAD = 51, /* set PM target thread identifier */ - RPT_THREADSUSPEND = 52, /* suspend a thread */ - RPT_THREADRESUME = 53, /* resume a thread */ - RPT_THREADLIST = 54, /* get list of process's threads */ - RPT_GETTHREADNAME = 55, /* get the name of the thread */ - RPT_SETTHREADNAME = 56, /* set the name of the thread */ - RPT_SETTHREADREGS = 57, /* set all registers for a specific thread*/ - RPT_GETTHREADREGS = 58, /* get all registers for a specific thread*/ - /* Begin extended ptrace options for remote debug server */ - RPT_STEPRANGE = 75, /* step while in range (addr=start, data=len) */ - RPT_CONTTO = 76, /* cont from PC to temp break in addr */ - RPT_SETBREAK = 77, /* set a breakpoint (addr=break) */ - RPT_CLRBREAK = 78, /* clear a breakpoint (data=handle or 0 for all) */ - RPT_GETBREAK = 79, /* get breakpoint (data=handle, addr=buffer to - fill). Returns next break. If data=0, - returns number of breaks. */ - RPT_GETNAME = 80, /* get name of process (data 0=name, 1=path - as started, 2=fullpath). Return in addr - as mem) */ - RPT_STOP = 81, /* (C-actors) Stop the C-actor */ - RPT_PGETREGS = 82, /* portable version */ - RPT_PSETREGS = 83, /* portable version */ - RPT_PSETTHREADREGS = 84, /* portable version */ - RPT_PGETTHREADREGS = 85 /* portable version */ -}; - -#include FRONTEND - -const MAXDEBUGGEE= 150; -const NAMEMAX = 17; - -% /* -% * Memory data for read/write text or data. The size is in data. The target -% * addr is in the addr field. -% * Be careful before modifying because this value goes into internal -% * pipes and is allocated on stack too. Pipes and/or the stack could -% * become too small if this value gets incremented. -% */ - -const MEM_DATA_MAX = 256; - -#ifndef RPC_XDR - -struct xdr_mem { - u_long addr; - u_int dataNb; - unsigned char data[MEM_DATA_MAX]; -}; - -#else -/* manually define best XDR function for this */ -%bool_t xdr_xdr_mem(xdrs, objp) -% XDR *xdrs; -% struct xdr_mem *objp; -%{ -% if (!xdr_u_long(xdrs, &objp->addr)) { -% return (FALSE); -% } -% if (!xdr_u_int(xdrs, &objp->dataNb)) { -% return(FALSE); -% } -% return (xdr_opaque(xdrs, objp->data, objp->dataNb)); -%} - -#endif - -/* Breakpoint structure maps to same structure on host. Do not change one - without changing the other. */ - -enum break_type -{ /* types of breakpoints */ - BRKT_NONE, /* unused entry */ - BRKT_INSTR, /* general instruction break */ - BRKT_READ, /* read break */ - BRKT_WRITE, /* write breakpoint */ - BRKT_ACCESS, /* read-or-write break */ - BRKT_EXEC, /* execution HW breakpoint */ - BRKT_OS_CALL, /* break on OS call, addr is call number */ - BRKT_OS_SWITCH, /* dispatch breakpoint */ - BRKT_STEPEMUL /* emulate hardware single-step */ -}; -const MAX_THRD_BRK = 4; /* enough for 128 threads per process */ -struct xdr_break -{ /* one per process local breakpoint */ - u_char type; /* BRKT_xxx type of break */ - u_char thread_spec; /* 0=all, else count of threads it affects */ - u_short handle; /* handle of breakpoint returned */ - u_long ee_loc; /* address of start */ - u_long ee_type; /* type/method of address */ - u_short length; /* length of break if range, else 0 */ - u_char pass_count; /* pass count to initialize to (0=none) */ - u_char curr_pass; /* pass count current value */ - u_long thread_list[MAX_THRD_BRK]; /* bit map for thread list */ -}; /* 20 bytes+4 per thread_list (4x4=16) = 36 */ - -const UTHREAD_MAX = 64; - -const THREADNAMEMAX = 16; -typedef string thread_name <THREADNAMEMAX>; - -struct KernThread { - unsigned int threadLi; -}; - -#ifndef RPC_XDR - -#ifdef RPC_HDR -%typedef KernThread *ptThreadList; -#endif - -struct thread_list { - unsigned int nbThread; - ptThreadList threads; -}; - -#else /* RPC_XDR */ - -/* must write this function by hand */ - -%bool_t xdr_thread_list(xdrs, objp) -% XDR *xdrs; -% struct thread_list *objp; -%{ -% return (xdr_array(xdrs, (char**)&objp->threads, &objp->nbThread, -% UTHREAD_MAX, sizeof(KernThread), xdr_KernThread)); -%} - -#endif /* not RPC_XDR */ - - -union ptrace_addr_data_in switch (ptracereq req) { - /* - * due to rpcgen poor features, we cannot put RPC_SETREGS - * AND RPC_SETTHREADREGS in the case list. So we use a hack (FIX rpcgen). - */ -#ifndef RPC_HDR - case RPT_SETTHREADREGS : - xdr_regs regs; -#endif - case RPT_SETREGS: - - xdr_regs regs; - -#ifndef RPC_HDR - case RPT_PSETTHREADREGS: - u_int pregs<>; -#endif - case RPT_PSETREGS: - u_int pregs<>; - -#ifdef LATER - case RPT_SETFPREGS: - xdr_fp_status fpregs; -#endif - case RPT_SETTHREADNAME: - thread_name name; -#ifndef RPC_HDR - case RPT_WRITETEXT: - xdr_mem mem; -#endif - case RPT_WRITEDATA: - xdr_mem mem; - case RPT_SETBREAK: - xdr_break breakp; - default: - u_int address; -}; - -union ptrace_addr_data_out switch (ptracereq req) { - case RPT_GETREGS: - xdr_regs regs; -#ifndef RPC_HDR - case RPT_GETTHREADREGS: - xdr_regs regs; -#endif - - case RPT_PGETREGS: - u_int pregs<>; - -#ifndef RPC_HDR - case RPT_PGETTHREADREGS: - u_int pregs<>; -#endif - -#ifdef LATER - case RPT_GETFPREGS: - xdr_fp_status fpregs; -#endif - case RPT_THREADLIST: - thread_list threads; - case RPT_GETTHREADNAME: - thread_name name; -#ifndef RPC_HDR - case RPT_READTEXT: - xdr_mem mem; - case RPT_GETNAME: - xdr_mem mem; -#endif - case RPT_READDATA: - xdr_mem mem; - case RPT_GETBREAK: - xdr_break breakp; - default: - u_int addr; -}; - -typedef opaque CHAR_DATA <NET_SAFE>; /* variable sized data */ - -const XRY_MAX_INST_BUFF = 128; -const XRY_MAX_INSTANCES = 16; -%#ifndef XRY_MAX_CMD_STR -const XRY_MAX_CMD_STR = 320; /* XRY_MAX_INST_BUFF+(XRY_MAX_INSTANCES*12) */ -%#endif /* REMDEB_H */ - - -struct xry_inst -{ - unsigned char flags; /* value2 interp, etc. INFL_xxx */ - unsigned char type; /* base type of data (str, val, etc) INST_xxx */ - unsigned char sub_type; /* specific type (task, res, etc). This is - set and defined by the user defined instance - processor and not the auto-processor */ - unsigned char res_type; - u_long value; /* pointer to value or value itself */ - u_long value2; /* second value (optional - based on flags) */ -}; - -struct instance -{ - struct xry_inst instances[XRY_MAX_INSTANCES]; - unsigned char buffer[XRY_MAX_INST_BUFF]; -}; - -union instance_union switch (bool instances) -{ - case TRUE: - instance inst; - case FALSE: - string buffer <XRY_MAX_CMD_STR>; -}; - -typedef string one_arg <NET_SAFE>; - -const XRY_MAX_OBJ_NAME = 32; /* objname in some commands */ - -% /* now open_connex() routine which establishes a connection to server */ - -enum debug_type -{ /* type of connection requested */ - DEBTYP_PROCESS = 0, /* process connection */ - DEBTYP_C_ACTOR = 1, /* C-Actor connection */ - DEBTYP_KERNEL = 2, /* kernel debug connection */ - DEBTYP_OTHER = 3 /* other subsystem */ -}; - -%#define DEBUGGER_IS_GDB 0x2 /* */ - -struct open_in -{ /* input args to open a connection */ - u_char back_port[16]; /* opaque NET address format */ - u_short debug_type; /* type of process DEBTYP_xxx */ - u_short flags; /* connection information OPNFLG_xxx */ - u_char destination[16];/* opaque address if to router */ - one_arg user_name; /* name of user on host */ -}; - -struct open_out -{ /* return from open_connex */ - u_long port; /* connection number to server or -1 if error */ - u_int pad[4]; /* Planned to be KnIpcDest. Never used */ - u_int fp; /* True if floating point processor. If error, - set to errno for open error. */ - u_char cmd_table_num; /* command table used */ - u_char cmd_table_vers; /* version of command table */ - u_short server_vers; /* version number of server itself */ -}; - -% /* now close_connex() routine which detaches from server */ - -enum close_control -{ /* choice of how to handle owned processes */ - CLOSE_IGNORE = 0, /* ignore all controlled pids on close */ - CLOSE_KILL = 1, /* kill all controlled pids on close */ - CLOSE_DETACH = 2 /* detach free running all controlled pids */ -}; - -struct close_in -{ /* arg to close connection */ - close_control control; /* shutdown of owned processes control */ -}; - -% /* now send_signal() routine which sends signals to processes like kill(2) */ - -struct signal_in -{ /* input to send_signal */ - int pid; /* process/actor to send signal to */ - int sig; /* signal to send (from /usr/include/signal.h) */ -}; - -struct signal_out -{ /* return from send_signal */ - int kill_return; /* return code from kill(2) call */ - int errNo; /* error code if failed */ -}; - - -% /* now wait_info() routine which returns results of polling the wait status -% of a process/actor. It may return 0 if running, else pid or -1 */ - -enum stop_code -{ /* stop code information */ - STOP_ERROR = 0, /* error, errno set */ - STOP_NONE = 1, /* not stopped */ - STOP_UNKNOWN = 2, /* unknown stop reason */ - STOP_BREAK = 3, /* stopped on breakpoint */ - STOP_STEP = 4, /* stopped on step */ - STOP_SIGNAL = 5, /* stopped on signal receieve */ - STOP_TERM_EXIT = 6, /* terminated normally */ - STOP_TERM_SIG = 7, /* terminated by signal */ - STOP_DETACHED = 8, /* detached from server */ - STOP_KILLED = 9, /* killed by ptrace KILL */ - STOP_SPAWN_FAILED = 10 /* spawn failed in exec part, handle=errno */ -}; - -struct wait_in -{ /* input arg to wait is process */ - int pid; /* process/actor id */ -}; - -struct wait_out -{ /* result of wait_info call */ - int wait_return; /* -1=error,0=running,pid=stopped */ - int errNo; /* error code if error */ - int status; /* wait(2) status if stopped */ - stop_code reason; /* reason in more abstracted terms */ - int handle; /* handle of break if stopped on break, - or signal number or exit code */ - u_long PC; /* program counter if stopped */ - u_long SP; /* stack pointer if stopped */ - u_long FP; /* frame pointer if stopped */ - u_long thread; /* thread that stopped if applies (else -1) */ -}; - -% /* now ptrace() routine. This matches the Sun UNIX ptrace as well as -% some additions */ - -const PTRFLG_FORCE = 1; /* when set and process running, forces process - to stop, make the request, then start again. - This is used for breakpoints and the like */ -const PTRFLG_NON_OWNER = 2; /* do request even if not primary owner (will - notify all owners including caller if owns) */ -const PTRFLG_FREE = 4; /* free pid_list after KILL/DETACH */ - -const PTRDET_UNOWN = 0x100; /* data value in RPT_DETACH just disconnects - caller as an owner of process. */ - -struct ptrace_in -{ /* input args matches ptrace but for XDR */ - int pid; /* process to act on */ - ptrace_addr_data_in addr; /* mappings for addr and addr2 */ - u_int data; /* simple data arg of ptrace */ - u_int flags; /* mask of PTRFLG_xxx flags. */ -}; - -struct ptrace_out -{ /* return information from ptrace */ - ptrace_addr_data_out addr; /* return through addr/addr2 */ - int result; /* result of ptrace call (return value) */ - int errNo; /* error code if error */ -}; - - /* Data for GET_GLOBAL_SYMBOLS */ -struct one_symbol { /* Must match common/src/lib/ctx/ctx.h */ - string symbolName<>; - long symbolValue; -}; - -typedef one_symbol all_symbols<>; - -struct get_global_symbols_out { - all_symbols symbols; -}; - - /* Data for GET_TEXT_DATA */ -struct get_text_data_in { - int pid; /* process/actor id if non-zero */ - string actorName<16>; /* actor name for system mode */ -}; - -struct get_text_data_out { - int result; - int errNo; - u_long textStart; - u_long textSize; - u_long dataStart; - u_long dataSize; -}; - - /* Data for GET_SIGNAL_NAMES */ -struct one_signal { - u_int number; - string name<>; -}; - -typedef one_signal all_signals<>; - -struct get_signal_names_out { - all_signals signals; -}; - -% /* now define the actual calls we support */ - -program REMOTEDEB { - version REMOTEVERS { - - /* open a connection to server or router */ - open_out - OPEN_CONNEX(open_in) = 1; - - /* send a signal to a process */ - signal_out - SEND_SIGNAL(signal_in) = 2; - - /* all routines below require a connection first */ - - /* close the connection to the server */ - void - CLOSE_CONNEX(close_in) = 10; - - /* process ptrace request */ - ptrace_out - PTRACE(ptrace_in) = 11; - - /* poll for status of process */ - wait_out - WAIT_INFO(wait_in) = 13; - - get_signal_names_out - GET_SIGNAL_NAMES(void) = 17; - - } = 2; /* now version 2 */ -} = 0x20000fff; - -#ifdef RPC_HDR -%#define REMDEB_H -%#endif -#endif - -#ifdef RPC_SVC - -%const char* names [] = { -% "NULLPROC", "OPEN_CONNEX", "SEND_SIGNAL", "name3", -% "name4", "name5", "name6", "name7", -% "name8", "name9", "CLOSE_CONNEX", "PTRACE", -% "name12", "WAIT_INFO", "name14", "name15", -% "name16", "GET_SIGNAL_NAMES", "name18" -%}; -% - -%/*HEADER_END*/ -#endif diff --git a/c/src/lib/librdbg/servbkpt.c b/c/src/lib/librdbg/servbkpt.c deleted file mode 100644 index f6c76bb494..0000000000 --- a/c/src/lib/librdbg/servbkpt.c +++ /dev/null @@ -1,589 +0,0 @@ -/* - ********************************************************************** - * - * Component: RDB servers - * Module: servbkpt.c - * - * Synopsis: Management of breakpoints - * - * $Id$ - * - ********************************************************************** - */ - -#include <sys/errno.h> -#include <assert.h> -#include <rdbg/rdbg.h> -#include <rdbg/servrpc.h> - -/*----- Macros -----*/ - -#define BKPT0(plst) ((BASE_BREAK*)(plst)->break_list) -#define BKPT_INCR 5 /* how many bkpt slots alloc at a time */ - -#define BKPT_OVER(plst,idx,addr,size) \ - ((plst)->break_list[idx].ee_loc + BREAK_SIZE > (UINT32) (addr) \ - && (plst)->break_list[idx].ee_loc < (UINT32) (addr) + (size)) - -#define BKPT_SLOTS \ - (sizeof ((xdr_break*) 0)->thread_list / \ - sizeof ((xdr_break*) 0)->thread_list [0]) - - - /* - * BreakAlloc - alloc a breakpoint entry. - * - * This is a generic routine to insert an entry in the - * breakpoint list. It returns the number of entry just - * created. It returns -1 if failed. - */ - - static int -BreakAlloc (PID_LIST* plst, Boolean normal) -{ - int idx, len; - xdr_break* blst; - - if (!normal) { /* want 0 entry */ - if (plst->break_list) { - return(0); /* already there */ - } - idx = 1; /* force alloc below */ - } else { - for (idx = 1; idx < (int)plst->break_alloc; idx++) { - if (plst->break_list[idx].type == BRKT_NONE) { - /* got a free one */ - memset(&plst->break_list[idx], 0, sizeof(xdr_break)); - return(idx); /* found one */ - } - } - } - /* idx is the requested entry */ - - if (idx >= (int)plst->break_alloc) { /* need more space */ - len = plst->break_alloc + BKPT_INCR; - blst = (xdr_break*)Realloc(plst->break_list, len*sizeof(xdr_break)); - if (!blst) { - return(-1); /* failed, no space */ - } - plst->break_alloc = len; /* got more */ - plst->break_list = blst; - - /* Clear new space */ - memset(blst + len - BKPT_INCR, 0, BKPT_INCR * sizeof(xdr_break)); - idx = len - BKPT_INCR; /* next available */ - if (!idx) { - idx = 1; /* for normal cases */ - } - } - return(normal ? idx : 0); /* return it */ -} - - /* - * BreakSet - set a breakpoint in process - * - * Returns the number or -1/errno. - */ - -#ifdef DDEBUG -static const char* BreakTypes[] = { - "NONE", "INSTR", "READ", "WRITE", - "ACCESS", "EXEC", "OS_CALL", "OS_SWITCH", - "STEPEMUL" -}; - -#define BN_MAX (sizeof BreakTypes / sizeof BreakTypes[0]) -#define BREAK_NAME(t) ((unsigned) (t) < BN_MAX ? BreakTypes[t] : "???") -#endif - - int -BreakSet (PID_LIST* plst, int conn_idx, xdr_break* bkpt) -{ - int pid = plst->pid; - int type = bkpt->type; - void* addr = (void *) bkpt->ee_loc; - int idx; - int data; - - DPRINTF(("BreakSet: type %d (%s) at 0x%x th %d ee_type %d len %d " - "pass %d curr %d list %d %d %d %d\n", type, BREAK_NAME(type), - (int) addr, - bkpt->thread_spec, bkpt->ee_type, bkpt->length, bkpt->pass_count, - bkpt->curr_pass, bkpt->thread_list [0], bkpt->thread_list [1], - bkpt->thread_list [2], bkpt->thread_list [3])); - - idx = BreakAlloc(plst, True); /* get entry */ - if (idx < 0) { /* no memory */ - setErrno(ENOMEM); /* set for safety */ - return -1; /* return the error */ - } - - data = TgtPtrace(RPT_PEEKTEXT, pid, addr, 0, NULL); /* current */ - if (getErrno()) { - return -1; /* failed, return the error */ - } - if (IS_BREAK(data)) { /* There is already a break here */ - DPRINTF(("BreakSet: already have soft bkpt at %x\n", addr)); - if (type == BRKT_STEPEMUL) { - ++BKPT0 (plst)->pad1; - return 1; /* Any non-error value is OK */ - } - setErrno(EBUSY); - return -1; - } - - TgtPtrace(RPT_POKETEXT, pid, addr, SET_BREAK(data), NULL); - - if (getErrno()) { - return -1; - } - - plst->break_list[idx] = *bkpt; - plst->break_list[idx].ee_type = data; /* saved data */ - - /* Inform other owners */ - if (type != BRKT_STEPEMUL) { - TgtNotifyAll (plst - pid_list, BMSG_BREAK, 1 /*added*/, idx, - conn_idx, False); - } else { - ++BKPT0 (plst)->pad1; - } - /* Return the number */ - setErrno(0); /* Just in case */ - return idx; -} - - int -BreakSetAt (PID_LIST* plst, int conn_idx, unsigned long addr, break_type type) -{ - xdr_break xb; - - memset (&xb, 0, sizeof xb); - xb.type = type; - xb.ee_loc = addr; - return BreakSet (plst, conn_idx, &xb); -} - -/*----- Find a breakpoint by address -----*/ - - int -BreakGetIndex(PID_LIST* plst, void* addr) -{ - int idx; - int data = -1; - - if (!plst->break_alloc) { - setErrno(EFAULT); - return -1; - } - for (idx = 1; idx < (int)plst->break_alloc; idx++) { - if ((u_long) addr == plst->break_list [idx].ee_loc) { - data = idx; - break; - } - } - return data; -} - -/*----- Getting information about breakpoint -----*/ - - /* - * If data > 0, fill "bkpt" with information about breakpoint - * and return the number of the next one. - * If data == 0, return the count of breakpoints. - */ - - int -BreakGet (const PID_LIST* plst, int data, xdr_break* bkpt) -{ - int idx; - - if (!data) { /* just count them */ - for (idx = 1; idx < (int)plst->break_alloc; idx++) { - if (plst->break_list[idx].type != BRKT_NONE) { - data++; - } - } - return data; /* count */ - } - if ((unsigned) data >= plst->break_alloc) { - /* out of range */ - setErrno(EFAULT); /* closest match */ - return -1; - } - /* get it and say which is next */ - *bkpt = plst->break_list[data]; - for (idx = (int)data+1; idx < (int)plst->break_alloc; idx++) { - if (plst->break_list[idx].type != BRKT_NONE) { - return idx; - } - } - return 0; /* otherwise returns 0 for no more */ -} - -/*----- Clearing bkpts -----*/ - - /* - * BreakClear - clear one (if data != 0) or all breakpoints - * (if data == 0). Return the number of bkpts cleared. - * If (data == -1), remove step-emulation breakpoints. - */ - - int -BreakClear (PID_LIST* plst, int conn_idx, int data) -{ - int pid_idx = plst - pid_list; - int idx; - int cleared = 0; - int clearStepEmul = 0; - int terminated = PROC_TERMINATED (plst); - int stepEmulCount = 0; - - /* break handle in data */ - if (!plst->break_alloc) { /* there are no breaks */ - DPRINTF (("BreakClear: no bkpts defined.\n")); - setErrno(EFAULT); /* closest match */ - return -1; /* return error */ - } - if (!data) { /* clear all */ - idx = 1; - data = plst->break_alloc-1; - - /* Inform other owners */ - DPRINTF (("BreakClear: clearing all bkpts.\n")); - TgtNotifyAll (pid_idx, BMSG_BREAK, 0 /*clr*/, 0, conn_idx, False); - - } else if (data == -1) { /* clear all step-emul bkpts */ - DPRINTF(("BreakClear: removing %d step-emul bkpts\n", - BKPT0 (plst)->pad1)); - - stepEmulCount = BKPT0 (plst)->pad1; - BKPT0 (plst)->pad1 = 0; - - clearStepEmul = 1; - idx = 1; - data = plst->break_alloc-1; - } else if ((unsigned) data >= plst->break_alloc - || plst->break_list[data].type == BRKT_NONE) { - - /* out of range */ - DPRINTF (("BreakClear: invalid bkpt %d\n", data)); - setErrno(EFAULT); /* closest match */ - return -1; /* return error */ - } else { - idx = data; - /* Inform other owners */ - TgtNotifyAll (pid_idx, BMSG_BREAK, 0 /*clr*/, idx, conn_idx, False); - DPRINTF (("BreakClear: clearing bkpt %d\n", data)); - } - - for (; idx <= data; idx++) { /* clear each one */ - int type = plst->break_list[idx].type; - - if (clearStepEmul && type != BRKT_STEPEMUL) continue; - - if (type == BRKT_INSTR || (clearStepEmul && type == BRKT_STEPEMUL)) { - /* just patch back */ - char* addr = (char *)plst->break_list[idx].ee_loc; - int val; - - if (BKPT0 (plst)->clr_step && BKPT0 (plst)->last_break == idx) { - BKPT0 (plst)->clr_step = 0; /* not needed */ - } - /* Neighboring bytes can have breakpoints too... */ - if (! terminated) { - setErrno (0); - val = TgtPtrace(RPT_PEEKTEXT, plst->pid, addr, 0, NULL); - if (getErrno()) { - DPRINTF (("BreakClear: addr %x not readable!\n", addr)); - setErrno (0); /* Forget bkpt */ - } else { - assert (IS_BREAK (val)); - val = ORG_BREAK (val, (int)plst->break_list[idx].ee_type); - TgtPtrace(RPT_POKETEXT, plst->pid, addr, val, NULL); - if (getErrno()) { - DPRINTF (("BreakClear: addr %x not writable!\n", addr)); - setErrno (0); - } - } - } - ++cleared; /* indicate cleared */ - } - memset(&plst->break_list[idx], 0, sizeof(xdr_break)); - } - assert (!clearStepEmul || cleared <= stepEmulCount); - if (stepEmulCount && cleared == 0) { - DPRINTF (("BreakClear: all STEPEMUL bkpts were shared\n")); - return 1; - } - return cleared; -} - -/*----- Hiding of breakpoints -----*/ - - /* - * PatchBreak - patch original data from break into data buffer. - * - * Notes: - * - this routine patches the original data under a break into the data - * buffer from a ptrace read/peek. - */ - - static void -PatchBreak (char* buff, UINT32 bstart, int bsize, UINT32 dstart, char* dvalue) -{ - int size = BREAK_SIZE; /* default size */ - - /* Must deal with all sorts of unalignments - * (3 full overlaps, 3 unaligns) - */ - if (bsize < BREAK_SIZE) { - /* case where buffer is smaller than data */ - memcpy(buff, dvalue+(bstart-dstart), bsize); /* copy over */ - return; - } - /* buffer larger than data. - * we need to see where break fits in buffer and whether - * we have part of it off the end. We set bstart to be the - * buffer offset, dtart to be the break data offset, and - * size to be the amount to copy - */ - if (dstart < bstart) { - /* break before actual buffer */ - dstart = bstart-dstart; /* offset in data */ - size -= dstart; /* amount to copy */ - bstart = 0; /* offset in buffer */ - - } else if (dstart + size > bstart + bsize) { - /* off end */ - bstart += bsize; /* end of buffer */ - size -= (dstart + size) - bstart; - bstart = bsize - size; /* come back into buffer enough */ - dstart = 0; /* start of data */ - - } else { /* normal case */ - bstart = dstart - bstart; /* offset in buffer */ - dstart = 0; - } - memcpy(buff+bstart, dvalue+dstart, size); -} - - void -BreakHide (const PID_LIST* plst, void* addr, int data, void* addr2) -{ - int idx; - - if (!plst->break_list) /* no breaks exist, so skip this */ - return; - - /* if breakpoints, replace */ - - for (idx = 1; idx < (int)plst->break_alloc; idx++) { - int type = plst->break_list[idx].type; - - if (type != BRKT_INSTR && type != BRKT_STEPEMUL) { - continue; - } - /* break, see if overlaps */ - if (BKPT_OVER (plst, idx, addr, data)) { - - /* overlaps, patch in old value */ - PatchBreak((char *)addr2, (UINT32)addr, data, - plst->break_list[idx].ee_loc, - (char *)&plst->break_list[idx].ee_type); - } - } -} - -/*----- Checking of breakpoint overwrites -----*/ - - /* - * BreakOverwrite - check if memory write does not involve addresses - * having software breakpoints. - */ - - int -BreakOverwrite (const PID_LIST* plst, const char* addr, unsigned int size) -{ - int idx; - - if (!plst->break_list) { /* No breaks exist */ - return 0; - } - - for (idx = 1; idx < (int)plst->break_alloc; idx++) { - int type = plst->break_list[idx].type; - - /* Consider only breakpoints involving modified memory */ - if (type != BRKT_INSTR && type != BRKT_STEPEMUL) { - continue; - } - if (BKPT_OVER (plst, idx, addr, size)) { - return -1; /* overlaps */ - } - } - return 0; -} - -/*----- Execution support -----*/ - - /* - * BreakStepRange - Start stepping in a range. - * - * Range is saved in breakpoint 0. - */ - - int -BreakStepRange (PID_LIST* plst, void* addr, int len) -{ - if (!plst->break_list) { - /* get list */ - if (BreakAlloc (plst, False) == -1) { /* must not be any memory */ - setErrno(ENOMEM); /* to be safe */ - return -1; /* fails */ - } - } - BKPT0 (plst)->range_start = (UINT32)addr; - BKPT0 (plst)->range_end = (UINT32)addr+(len-1); - return 0; -} - - /* - * If the Program Counter is changed, consider that the - * current breakpoint has not been reached yet. - */ - - void -BreakPcChanged (PID_LIST* plst) -{ - if (plst->break_list) { - /* clear break stuff */ - BKPT0 (plst)->clr_step = False; - } -} - - /* - * BreakStepOff - prepare stepping off a breakpoint. - */ - - int -BreakStepOff (const PID_LIST* plst, void** paddr2) -{ - if (plst->break_list && BKPT0 (plst)->clr_step) { - - /* need clear then step off break */ - int last = BKPT0 (plst)->last_break; - - /* clear break, step, then do exec */ - - *paddr2 = (void*) plst->break_list[last].ee_type; - - /* Need to clr_step after TgtPtrace() when wait() returns */ - return 1; - } - return 0; -} - - /* - * BreakSteppedOff - check if just stepped off a breakpoint - * and re-insert it into the code. - */ - - void -BreakSteppedOff (PID_LIST* plst) -{ - if (plst->break_list && BKPT0 (plst)->clr_step) { - int idx = BKPT0 (plst)->last_break; - int data; - - BKPT0 (plst)->clr_step = 0; - - /* - * Re-insert the breakpoint. - */ - data = TgtPtrace (RPT_PEEKTEXT, plst->pid, - (char *)plst->break_list [idx].ee_loc, 0, NULL); - assert (! IS_BREAK (data)); - TgtPtrace (RPT_POKETEXT, plst->pid, - (char *)plst->break_list[idx].ee_loc, - (int) SET_BREAK (data), NULL); - } -} - - - /* - * Returns whether a thread matches a breakpoint. - */ - - static int -BreakThreadMatch (xdr_break* xb, int thread) -{ - int slot; - - if (thread < 0) return 1; /* Break existence check only */ - - if (xb->thread_list [0] == 0) return 1; /* Universal break */ - - for (slot = 0; slot < BKPT_SLOTS; ++slot) { - if (xb->thread_list [slot] == 0) return 0; /* End of list */ - if (xb->thread_list [slot] == thread) return 1; /* Match */ - } - return 0; /* No matches found */ -} - - -int -BreakAdjustPC (PID_LIST* plst) -{ - /* - * BREAK_ADJ is the value by which the Program Counter - * has to be decremented after a software breakpoint - * is hit. It must be defined and can be zero. - */ -#if BREAK_ADJ - /* subtract back if necessary */ - plst->regs.REG_PC -= BREAK_ADJ; /* now write back */ - TgtPtrace(RPT_SETREGS, plst->pid, (char *)&plst->regs, 0, NULL); -#else - (void) plst; -#endif - return 0; -} - - -/* - * Identify the current breakpoint. The process just stopped. - */ - - int -BreakIdentify (PID_LIST* plst, int adjust, int thread) -{ - int foreignBkpt = 0; - int bidx; - - for (bidx = 1; bidx < (int) plst->break_alloc; bidx++) { - int type = plst->break_list[bidx].type; - - if ((type == BRKT_INSTR || type == BRKT_STEPEMUL) - && plst->regs.REG_PC - BREAK_ADJ - == plst->break_list[bidx].ee_loc) { /* found matching */ - if (!BreakThreadMatch (&plst->break_list[bidx], thread)) { - if (foreignBkpt == 0) { - foreignBkpt = bidx; - } - continue; - } - if (adjust) { - BreakAdjustPC (plst); - } - return bidx; - } - } - if (foreignBkpt) { - if (adjust) { - BreakAdjustPC (plst); - } - return -foreignBkpt; - } - return 0; -} diff --git a/c/src/lib/librdbg/servcon.c b/c/src/lib/librdbg/servcon.c deleted file mode 100644 index 30570760db..0000000000 --- a/c/src/lib/librdbg/servcon.c +++ /dev/null @@ -1,138 +0,0 @@ -/* - ************************************************************************** - * - * Component: RDBG - * Module: servcon.c - * - * Synopsis: Management of RPC client connections. - * - * $Id$ - * - ************************************************************************** - */ - -#include <sys/errno.h> -#include <rdbg/rdbg.h> -#include <rdbg/servrpc.h> - - /* - * ConnCreate - create a new connection entry for a client. - * - * This function finds an empty entry in the connection array - * or makes space. It fills in the fields that are passed to it. - * It does not do any validation on net addresses nor does it - * start a validation cycle on other clients. This is done by - * the caller. - */ - - int -ConnCreate (struct svc_req* rqstp, open_in* in) -{ - NET_OPAQUE sender; - int idx; - CONN_LIST* clst; - - setErrno (0); - - /* Convert to valid Net address */ - if (! TspTranslateRpcAddr (rqstp, &sender)) { - DPRINTF (("ConnCreate: TspTranslateRpcAddr failed\n")); - return -1; - } - if (! TspValidateAddr ((NET_OPAQUE*) in->back_port, &sender)) { - DPRINTF (("ConnCreate: TspValidateAddr failed\n")); - return -1; /* errno now setup with error */ - } - - /* look for an empty connection entry */ - for (idx = 0; idx < conn_list_cnt; idx++) { - if (!conn_list[idx].in_use) - break; /* an empty one found */ - } - - if (idx >= conn_list_cnt) { /* no empties, create space */ - CONN_LIST* tmp_conn_list = conn_list; - - conn_list_cnt += CONN_LIST_INC; - if (conn_list) { - conn_list = (CONN_LIST *) Realloc (conn_list, /* extend */ - conn_list_cnt * sizeof (CONN_LIST)); - } else { - conn_list = (CONN_LIST *)Malloc(conn_list_cnt * sizeof(CONN_LIST)); - } - - if (!conn_list) { /* unable to get space */ - if ((conn_list_cnt -= CONN_LIST_INC)) { - /* was realloc, restore space */ - conn_list = tmp_conn_list; - } - return -1; /* errno set by failed alloc */ - } - /* clear newly created memory */ - memset (conn_list + idx, 0, CONN_LIST_INC * sizeof (CONN_LIST)); - } else { /* clear new entry */ - memset (conn_list + idx, 0, sizeof (CONN_LIST)); - } - clst = conn_list + idx; - - clst->in_use = True; /* now in use */ - clst->sender = sender; - memcpy (&clst->back_port, &in->back_port, sizeof (NET_OPAQUE)); - memcpy (&clst->route, &in->destination, sizeof (NET_OPAQUE)); - clst->debug_type = (UCHAR) in->debug_type; - clst->flags = in->flags; - strncpy (clst->user_name, in->user_name, NAMEMAX-1); - clst->user_name [NAMEMAX-1] = 0; - - return idx; -} - - /* - * ConnDelete - remove connection entry when shutdown. - * - */ - - void -ConnDelete (int conn, struct svc_req* rqstp, close_control control) -{ - CONN_LIST* clst = conn_list + conn; - int idx; - Boolean prim; - - if (! clst->in_use) return; /* not active */ - - for (idx = 0; idx < pid_list_cnt; idx++) { - PID_LIST* plst = pid_list + idx; - - if (! PIDMAP_TEST (conn, idx)) continue; - - /* found a controlled pid */ - prim = (plst->primary_conn == conn) ? True : False; - TgtDetachCon (conn, idx, True); - - /* if still running or alive, we use close control on it */ - if (! plst->pid) - continue; /* entry gone */ - - if (prim && control == CLOSE_KILL) { - /* kill off process */ - TgtKillAndDelete (plst, rqstp, True); - } else if (! plst->owners) { - /* no owners left */ - if (control == CLOSE_DETACH) { - TgtKillAndDelete (plst, rqstp, False); - } - if (control == CLOSE_DETACH || PROC_TERMINATED (plst)) { - TgtDelete (plst, conn, (control==CLOSE_DETACH) ? - BMSG_DETACH : 0); - } - } - } - if (clst->list) { - Free (clst->list); /* free allocated memory */ - } - DPRINTF (("ConnDelete: Connection closed for port %u\n", - HL_W(*((UINT16*) &clst->back_port.c[2])))); - - clst->in_use = False; /* free it back */ -} diff --git a/c/src/lib/librdbg/servrpc.c b/c/src/lib/librdbg/servrpc.c deleted file mode 100644 index 310f3bb6c4..0000000000 --- a/c/src/lib/librdbg/servrpc.c +++ /dev/null @@ -1,722 +0,0 @@ -/* - ********************************************************************** - * - * Component: RDBG - * Module: servrpc.c - * - * Synopsis: support routines for RPC dispatch for remote debug server. - * Main server dispatch routines from RPC to support remote debug. - * - * $Id$ - * - ********************************************************************** - */ - -#include <string.h> -#include <sys/errno.h> -#include <rdbg/rdbg.h> -#include <rdbg/remdeb.h> -#include <rdbg/servrpc.h> - -/************************************************************************/ - -/* ----------------------------------------------------------------------- - open_connex_2_svc - setup a new connection from a client. - - Notes: - - this function creates a new connection to a client. It allocates - an entry in the connection structure and fills in the information - sent and implied by the message. - - a client connection entry is needed for all further messages to work - properly. - ----------------------------------------------------------------------- */ - -open_out* RPCGENSRVNAME(open_connex_2_svc) (open_in *in, struct svc_req *rqstp) -{ - static open_out out; /* output response. This could be heap local */ - int idx; - static int one_time = 0; /* we do one-time setup on back port */ - - /* need to support in->debug_type, in->flags, and in->destination!!! */ - - if (!one_time) - { /* only setup one backport socket */ - /* now setup signals and the like for handling process changes */ - setErrno(0); - TspInit(rqstp->rq_xprt->xp_sock); /* init transport system */ - if (getErrno()) - { /* failed in setup */ - out.port = (u_long)-1; - out.fp = getErrno(); /* error causing to fail */ - return(&out); /* fail */ - } - one_time = True; /* disable doing this again */ - } - - DPRINTF(("open_connex_2_svc: Opening connection from '%s'\n", - in->user_name)); - - /* now setup a validation of all other connections */ - for (idx = 0; idx < conn_list_cnt; idx++) - if (conn_list[idx].in_use) - { /* setup retry timer */ - DPRINTF(("open_connex_2_svc: Still have connection %d with port %d\n", - idx, HL_W(*((UINT16*)&conn_list[idx].back_port.c[2])))); - } - - idx = ConnCreate(rqstp, in); /* setup the connection */ - out.port = idx; /* connection number */ - if (idx == -1) - out.fp = getErrno(); /* error causing to fail */ - else - out.fp = TARGET_PROC_TYPE; - - out.server_vers = SERVER_VERS; - return(&out); -} - -/* ----------------------------------------------------------------------- - send_signal_2_svc - send a kill/signal to the specified process. - - Notes: - - this function sends a signal to the process specified. This process - does not have to be under debug nor attached by this server. The kill - may be refused on other grounds though. - - kill(pid, 0) can be used to validate the process still exists if - needed. - ----------------------------------------------------------------------- */ - -signal_out *RPCGENSRVNAME(send_signal_2_svc) (signal_in *in, struct svc_req *rqstp) -{ - static signal_out out; /* return code from kill */ - - /* we do not care if connected */ - setErrno(0); - out.kill_return = 0; - out.errNo = 0; - TotalReboot = 1; - return(&out); -} - -/* ----------------------------------------------------------------------- - close_connex_2_svc - close a connection from a client. - ----------------------------------------------------------------------- */ - -void *RPCGENSRVNAME(close_connex_2_svc) (close_in *in, struct svc_req *rqstp) -{ - int conn_idx = TspConnGetIndex(rqstp); - - if (conn_idx != -1) /* found it, clear out */ - ConnDelete(conn_idx, rqstp, in->control); - - return (void*) ""; /* need to return something */ -} - -/* ----------------------------------------------------------------------- - ptrace_2_svc - control process under debug. - ----------------------------------------------------------------------- */ - -#define REG_COUNT \ - (sizeof (xdr_regs) / sizeof (int)) - -ptrace_out *RPCGENSRVNAME(ptrace_2_svc) (ptrace_in *in, struct svc_req *rqstp) -{ - int conn_idx = rqstp ? TspConnGetIndex(rqstp) : -1; - static ptrace_out out; /* outut response (error or data) */ - void *addr, *addr2; /* used for actual ptrace call */ - unsigned int data; - int req, pid, ret, pid_idx, idx; - static union - { /* local buffer for returned data */ - Objects_Id t_list[UTHREAD_MAX]; /* thread_list return */ - char t_name[THREADNAMEMAX]; /* thread name return */ - } local_buff; /* for return handling of strings and the like */ - PID_LIST *plst = NULL; /* current pid_list entry */ - - DPRINTF (("ptrace_2_svc: entered (%s (%d), %d, XXXX, %d, XXXX)\n", - PtraceName (in->addr.req), in->addr.req, in->pid, - in->data)); - - out.addr.ptrace_addr_data_out_u.addr = 0; - - /* validate the connection */ - if (conn_idx == -1 && rqstp != NULL) - { /* no connection, error */ - DPRINTF(("ptrace_2_svc: msg from unknown debugger!\n")); - out.result = -1; - out.errNo = ECHILD; /* closest error */ - out.addr.req = 0; /* to avoid copies that should not occur */ - return(&out); - } - /* Consider that the last back-message is acknowledged */ - if (conn_idx >= 0 && conn_list[conn_idx].retry) { - TspMessageReceive(conn_idx, in->pid); - } - - req = in->addr.req; - out.addr.req = req; /* needed for RPC */ - pid = in->pid; - addr = addr2 = NULL; - data = in->data; - setErrno(0); /* assume works */ - out.result = 0; /* assume worked ok */ - out.errNo = 0; - - /* lookup process to make sure we have under control */ - pid_idx = FindPidEntry (in->pid); - if (pid_idx >= 0) /* found it */ - { - plst = &pid_list[pid_idx]; - if (conn_idx < 0) - conn_idx = plst->primary_conn; - } - - /* now we handle the special case of ATTACH to a pid we already control */ - if (req == RPT_ATTACH) - { /* look it up first */ - if (plst) - { /* we have controlled , so return ok+show conn */ - ret = 2; /* normally secondary connection */ - if (! PIDMAP_TEST (conn_idx, pid_idx)) - { /* mark as an owner if not already */ - plst->owners++; - PIDMAP_SET (conn_idx, pid_idx); /* mask in */ - } - else if (plst->primary_conn != NO_PRIMARY) - { /* regrab makes primary */ - /* Only if not primary already */ - if (plst->primary_conn != conn_idx) { - TspSendWaitChange(plst->primary_conn, BMSG_NOT_PRIM, - conn_idx, plst->pid, 0, False); /* tell old owner */ - } - plst->primary_conn = NO_PRIMARY; - } - - if (plst->primary_conn == NO_PRIMARY) - { /* none now, so take over */ - plst->primary_conn = conn_idx; /* new primary */ - ret = 1; /* primary */ - } - out.result = ret; /* primary or secondary owner */ - return(&out); - } - /* else attach process using target code */ - setErrno(ESRCH); /* assume the worst */ - if (!TgtAttach(conn_idx, pid)) - { /* failed */ - out.errNo = getErrno(); - out.result = 0; - } - return(&out); - } - else if (req == RPT_DETACH) - { /* see which kind of detach */ - if (data == PTRDET_UNOWN) - { /* only want to disconnect from */ - TgtDetachCon(conn_idx, pid_idx, True); /* remove from control */ - return(&out); /* done */ - } - } - else if (plst && (req == RPT_GETNAME || req == RPT_GETBREAK)) - { - /* do nothing */ - } - - else if (plst && req == RPT_CLRBREAK) { - /* To be able to remove breakpoints from a "running" system */ - DPRINTF (("ptrace_2_svc: allowing RPT_CLRBREAK %d\n", data)); - /* do nothing */ - } - - else if (plst && plst->running) - { /* error, process is running and not detach */ - out.result = -1; - out.errNo = ETXTBSY; /* closest error */ - DPRINTF (("ptrace_2_svc: failed, still running.\n")); - return(&out); - } - if (plst == NULL) { - out.result = -1; - out.errNo = ESRCH; - DPRINTF (("ptrace_2_svc: No such process.\n")); - return (&out); - } - - /* now make sure secondary owner is not trying to modify */ - if (!(in->flags & PTRFLG_NON_OWNER)) /* if not overriden */ - if (conn_idx != plst->primary_conn - && ( (req >= RPT_POKETEXT && req <= RPT_SINGLESTEP) - || (req >= RPT_SETREGS && req <= RPT_SETFPAREGS && (req & 1)) - || (req >= RPT_SYSCALL && req <= RPT_DUMPCORE) - || (req >= RPT_SETTARGETTHREAD && req <= RPT_THREADRESUME) - || (req >= RPT_SETTHREADNAME && req <= RPT_SETTHREADREGS) - || (req >= RPT_STEPRANGE && req <= RPT_CLRBREAK) - || (req == RPT_STOP) - || (req >= RPT_PSETREGS && req <= RPT_PSETTHREADREGS))) - { /* not owner */ - out.result = -1; - out.errNo = EPERM; /* cannot alter as not primary */ - DPRINTF (("ptrace_2_svc: refused, not owner, flags %d conn_idx %d primary_conn %d\n", in->flags, conn_idx, - plst->primary_conn)); - return(&out); - } - - addr = (void *)in->addr.ptrace_addr_data_in_u.address; /* default */ - /* now setup normal ptrace request by unpacking. May execute here. */ - switch (req) - { /* handle unpacking or setup for real call */ - /* first the ones where addr points to input data */ - case RPT_SETREGS: - case RPT_SETTHREADREGS: - addr = (void *)&in->addr.ptrace_addr_data_in_u.regs; /* reg list */ - break; - - case RPT_PSETREGS: - case RPT_PSETTHREADREGS: - if (in->addr.ptrace_addr_data_in_u.pregs.pregs_len != REG_COUNT) { - DPRINTF(("ptrace_2_svc: pid %d got %d expected %d\n", pid, - in->addr.ptrace_addr_data_in_u.pregs.pregs_len, REG_COUNT)); - setErrno(EINVAL); - break; - } - req = req == RPT_PSETREGS ? RPT_SETREGS : RPT_SETTHREADREGS; - addr = (void *) in->addr.ptrace_addr_data_in_u.pregs.pregs_val; - break; - - case RPT_SETTHREADNAME: - addr = (void *)in->addr.ptrace_addr_data_in_u.name; - break; - case RPT_WRITETEXT: - case RPT_WRITEDATA: - if ((int) data < 0) { - setErrno(EINVAL); - break; - } - addr = (void *)in->addr.ptrace_addr_data_in_u.mem.addr; /* targ addr */ - addr2 = (void *)in->addr.ptrace_addr_data_in_u.mem.data; /* buff */ - - /* Forbid writing over breakpoints */ - if (BreakOverwrite (plst, addr, data)) { - setErrno(EBUSY); - } - break; - - case RPT_POKETEXT: - case RPT_POKEDATA: - /* Forbid writing over breakpoints */ - if (BreakOverwrite (plst, addr, sizeof (int))) { - setErrno(EBUSY); - } - break; - - /* now ones where we handle locally */ - case RPT_GETTARGETTHREAD: - out.result = plst->thread; - req = 0; /* force exit */ - break; - - case RPT_PGETREGS: /* return from our buffer */ - out.addr.ptrace_addr_data_out_u.pregs.pregs_len = REG_COUNT; - out.addr.ptrace_addr_data_out_u.pregs.pregs_val = (u_int*) &plst->regs; - req = 0; /* force exit */ - break; - - case RPT_GETREGS: - /* return directly from our buffer */ - /* this buffer is refreshed when changing target thread */ - out.addr.ptrace_addr_data_out_u.regs = plst->regs; - req = 0; /* force exit */ - break; - - case RPT_SETBREAK: - idx = BreakSet (plst, conn_idx, &in->addr.ptrace_addr_data_in_u.breakp); - if (idx < 0) break; - req = 0; /* force exit */ - out.result = idx; /* return break index (>0) */ - break; - - case RPT_CLRBREAK: - if (conn_list[conn_idx].flags & DEBUGGER_IS_GDB) { - data = BreakGetIndex (plst, addr); - } - out.result = BreakClear (plst, conn_idx, data); - /* if errored, errno will still be set */ - req = 0; - break; - - case RPT_GETBREAK: - /* data=handle, addr=in_buffer, returns next break. Data=0, returns cnt */ - out.result = BreakGet (plst, data, &out.addr. - ptrace_addr_data_out_u.breakp); - req = 0; /* handle locally */ - break; - - case RPT_GETNAME: /* get the name of the process */ - if (!plst->name) - out.addr.ptrace_addr_data_out_u.mem.dataNb = 0; - else - { - int maxLen = sizeof out.addr.ptrace_addr_data_out_u.mem.data - 1; - data = strlen(plst->name); - if (data > maxLen) - data = maxLen; - out.addr.ptrace_addr_data_out_u.mem.dataNb = data+1; - memcpy(out.addr.ptrace_addr_data_out_u.mem.data, plst->name, data+1); - out.addr.ptrace_addr_data_out_u.mem.data [maxLen] = '\0'; - } - req = 0; - break; - - case RPT_CONTTO: - if (BreakSetAt (plst, conn_idx, (u_long) addr, BRKT_STEPEMUL) < 0) - { - DPRINTF(("ptrace_2_svc: BreakSet failed at %x", addr)); - break; - } - req = RPT_CONT; - /* data can contain a signal number, addr2 is unused */ - goto case_RPT_CONT; - - case RPT_STEPRANGE: - /* convert to step */ - if (!data) - data = 1; /* should we give an error?? */ - BreakStepRange (plst, addr, data); - if (getErrno()) break; - - req = RPT_SINGLESTEP; /* do by stepping */ - addr = (void*) 1; /* start from current PC */ - data = -2; /* want non-atomic stepping */ - /* fall through to other exec cases */ - - case RPT_CONT: - case_RPT_CONT: - case RPT_SINGLESTEP: - - if (BreakStepOff (plst, &addr2)) - { /* need clear then step off break */ - /* clear break, step, then do exec */ - if (addr == (void*) 1) - addr = (void*) plst->regs.REG_PC;/* need for patch */ - - /* data is always 0, so atomic single-step */ - } else if (req == RPT_SINGLESTEP) { - data = -2; /* want non-atomic stepping */ - } - break; - - /* now ones where addr points to an output area */ - case RPT_PGETTHREADREGS: - addr = (void*) out.addr.ptrace_addr_data_out_u.mem.data; - if (sizeof out.addr.ptrace_addr_data_out_u.mem.data < - REG_COUNT * sizeof(int)) { - setErrno(EINVAL); - break; - } - if (data == plst->thread) { - out.addr.ptrace_addr_data_out_u.pregs.pregs_len = REG_COUNT; - out.addr.ptrace_addr_data_out_u.pregs.pregs_val = (u_int*) &plst->regs; - req = 0; /* force exit */ - break; - } - req = RPT_GETTHREADREGS; - break; - - case RPT_GETTHREADREGS: - addr = (void*) &out.addr.ptrace_addr_data_out_u.regs; - break; - case RPT_GETTHREADNAME: - out.addr.ptrace_addr_data_out_u.name = local_buff.t_name; - addr = (void*) out.addr.ptrace_addr_data_out_u.name; - break; - case RPT_THREADLIST: - out.addr.ptrace_addr_data_out_u.threads.threads =(ptThreadList) local_buff.t_list; - addr = (void*) out.addr.ptrace_addr_data_out_u.threads.threads; - break; - case RPT_READTEXT: - case RPT_READDATA: - if ((int) data < 0) { - setErrno(EINVAL); - break; - } - addr = (void *)in->addr.ptrace_addr_data_in_u.address; - addr2 = (void *)out.addr.ptrace_addr_data_out_u.mem.data; - out.addr.ptrace_addr_data_out_u.mem.dataNb = data; - break; - case RPT_DETACH: - /* Do not allow detaching if breakpoints still there */ - if (BreakGet (plst, 0, NULL)) - { /* some bkpts still set */ - setErrno(EINVAL); /* cannot detach safely */ - break; - } - /* fall through */ - case RPT_KILL: - /* in the event they are trying to detach or kill a terminated process, - we just delete the entry. */ - if (PROC_TERMINATED (plst)) - { - TgtDelete(plst, -1, BMSG_KILLED); /* just blow off */ - req = 0; /* now exit */ - } - break; - } - - if (getErrno()) - { /* failed in code above */ - out.result = -1; - out.errNo = getErrno(); - DPRINTF(("ptrace_2_svc: result %d errNo %d\n", out.result, out.errNo)); - return(&out); - } - else if (!req) - { /* bail out now */ - DPRINTF(("ptrace_2_svc: result %d errNo %d\n", out.result, out.errNo)); - return(&out); - } - - /* OK, make the call */ - out.result = TgtPtrace(req, pid, addr, data, addr2); - out.errNo = getErrno(); - - /* if no error, cleanup afterwards */ - if (getErrno()) - { - /* Remove step-emul breakpoints if any */ - if (req == RPT_SINGLESTEP || req == RPT_CONT) { - BreakClear (plst, -1, -1); - } - DPRINTF(("ptrace_2_svc: result %d errNo %d\n", out.result, out.errNo)); - return(&out); /* return error */ - } - - switch (in->addr.req) - { /* handle some special calls that affect state */ - case RPT_CONT: - case RPT_STEPRANGE: - /* change to running */ - if (in->addr.req == RPT_STEPRANGE) - plst->last_start = LAST_RANGE; /* so range steps */ - else if (addr2) - plst->last_start = LAST_STEPOFF; /* now continue after wait */ - else - plst->last_start = LAST_CONT; - plst->running = 1; /* mark as running */ - if (!rqstp) /* Called internally to restart bkpt, no msg to anybody */ - break; - TgtNotifyAll(pid_idx, BMSG_WAIT, 0, 0, (in->flags & PTRFLG_NON_OWNER) - ? -1 : conn_idx, True); - break; - case RPT_SINGLESTEP: - /* mark as step */ - plst->last_start = LAST_STEP; /* so we know how started */ - plst->running = 1; /* mark as running (wait should catch fast) */ - break; - case RPT_DETACH: /* mark as disconnected */ - case RPT_KILL: /* mark as killed */ - if (in->flags & PTRFLG_FREE) /* notify and delete entry */ - TgtDelete(plst, -1, (in->addr.req==RPT_KILL) ? BMSG_KILLED : BMSG_DETACH); - else - { /* notify and mark */ - plst->last_start = (in->addr.req==RPT_KILL) ? - LAST_KILLED : LAST_DETACHED; - plst->state = -1; - plst->running = False; - TgtNotifyAll(pid_idx, (in->addr.req==RPT_KILL) ? - BMSG_KILLED : BMSG_DETACH, 0, 0, -1, True); - } - break; - case RPT_SETTHREADREGS: - case RPT_PSETTHREADREGS: - if (data != plst->thread) - break; - DPRINTF(("ptrace_2_svc: pid %d target thread regs changed!\n", pid)); - - case RPT_SETREGS: - case RPT_PSETREGS: - /* change our buffer as well */ - if (plst->regs.REG_PC != ((xdr_regs*)addr)->REG_PC) - BreakPcChanged (plst); - plst->regs = *(xdr_regs*) addr; /* copy in */ - break; - - /* case RPT_PGETREGS has been handled locally above */ - case RPT_PGETTHREADREGS: - /* We need to update pointer so that XDR works on return */ - out.addr.ptrace_addr_data_out_u.pregs.pregs_len = REG_COUNT; - out.addr.ptrace_addr_data_out_u.pregs.pregs_val = - (void*) out.addr.ptrace_addr_data_out_u.mem.data; - break; - - case RPT_PEEKTEXT: - case RPT_PEEKDATA: - case RPT_READDATA: - case RPT_READTEXT: - if (req < RPT_READDATA) - { /* peek */ - /* addr is start */ - data = sizeof(int); - addr2 = &out.result; /* data buffer */ - /* Like read: addr is start, data is length, addr2 is buffer */ - } - BreakHide (plst, addr, data, addr2); - break; - - case RPT_SETTARGETTHREAD: - DPRINTF(("ptrace_2_svc: pid %d new target thread %d\n", pid, data)); - TgtPtrace (RPT_GETREGS, pid, (char*) &plst->regs, 0, NULL); - plst->thread = data; - if (plst->break_list) { /* Forget we had to step off breakpoint */ - BASE_BREAK* base = (BASE_BREAK*) plst->break_list; - DPRINTF(("ptrace_2_svc: clr_step %d last_break %d\n", base->clr_step, - base->last_break)); - base->clr_step = 0; /* Not stopped on break */ - base->last_break = 0; - } - break; - - case RPT_THREADLIST: - out.addr.ptrace_addr_data_out_u.threads.nbThread = out.result; - break; - - default: - break; - } /* end switch */ - DPRINTF(("ptrace_2_svc 2: result %d errNo %d\n", out.result, out.errNo)); - return(&out); -} - -/* ----------------------------------------------------------------------- - wait_info_2_svc - non-blocking wait request to check status. - ----------------------------------------------------------------------- */ - -wait_out *RPCGENSRVNAME(wait_info_2_svc) (in, rqstp) - wait_in *in; - struct svc_req *rqstp; /* server info */ -{ - int conn_idx = TspConnGetIndex(rqstp); - static wait_out out; /* output of pid and status */ - int idx; - PID_LIST *plst; - - memset(&out, 0, sizeof(out)); /* zero for safety */ - out.reason = STOP_ERROR; /* assume the worst */ - - if (conn_idx == -1) - { /* no connection, error */ - DPRINTF(("wait_info_2_svc: msg from unknown debugger!\n")); - out.wait_return = -1; - out.errNo = ECHILD; /* closest error */ - return(&out); - } - else - { /* see if confirming message received */ - if (conn_list[conn_idx].retry) - TspMessageReceive(conn_idx, in->pid); - } - - if (!in->pid) - { /* warm test verify only */ - /* this call (pid==0) is made to confirm that that connection is still - active. */ - /* we let it fall through as an error since any use other than connection - reset would be an error (there is no pid0). */ - } - else - { /* normal request */ - idx = FindPidEntry (in->pid); - if (idx >= 0) - { /* found process they requested on */ - plst = &pid_list[idx]; - out.wait_return = plst->running ? 0 : in->pid; - /* return: 0 is running, pid is stopped/term */ - out.errNo = 0; - out.status = plst->state; /* last stopped reason if stopped */ - out.thread = plst->thread;/* current thread (or -1 if none) from stop */ - if (!out.wait_return) - out.reason = STOP_NONE; /* running, no action */ - else if (STS_SIGNALLED (out.status)) - { /* stopped on signal */ - out.handle = STS_GETSIG (out.status); /* signal number */ - if (out.handle == SIGTRAP) - if (plst->is_step) - { /* single step with hitting a break */ - out.reason = STOP_STEP; - out.handle = 0; /* no information */ - } - else - { /* stopped on break */ - out.reason = STOP_BREAK; - if (plst->break_list) - out.handle = ((BASE_BREAK*)plst->break_list)->last_break; - else - out.handle = 0; /* no break */ - } - else - out.reason = STOP_SIGNAL; - out.PC = plst->regs.REG_PC; /* copy standard regs */ - out.SP = plst->regs.REG_SP; - out.FP = plst->regs.REG_FP; - } - else - { /* terminated, so lower use count */ - if (plst->last_start == LAST_KILLED) - out.reason = STOP_KILLED; - else if (plst->last_start == LAST_DETACHED) - out.reason = STOP_DETACHED; - else if (plst->last_start == LAST_START) - { /* failed in exec */ - out.reason = STOP_SPAWN_FAILED; - out.handle = STS_GETCODE (out.status); /* errno reason */ - } - else if (STS_TERMONSIG (out.status)) - { /* terminated on signal */ - out.reason = STOP_TERM_SIG; - /* mask off the core-dumped bit 7 */ - out.handle = (int)(unsigned)(u_char) STS_TERMGETSIG (out.status); - } - else - { /* exit(2)ed */ - out.reason = STOP_TERM_EXIT; - out.handle = STS_GETCODE (out.status); /* code */ - } - } - DPRINTF(("wait_info_2_svc: pid %d return %d status %x errNo %d" - " reason %d handle %d pc %x sp %x fp %x thread %d\n", - in->pid, out.wait_return, out.status, out.errNo, out.reason, - out.handle, out.PC, out.SP, out.FP, out.thread)); - return(&out); - } - } - /* if not found in list, we return error: no such process */ - out.wait_return = -1; - out.errNo = ESRCH; /* no process */ - out.status = 0; - return(&out); -} - -/* ----------------------------------------------------------------------- - get_signal_names_2_svc - return names for signals - ----------------------------------------------------------------------- */ - -static one_signal SignalNames[] = { - {SIGILL, "SIGILL/EVT_ILL"}, - {SIGTRAP, "SIGTRAP/EVT_BKPT"}, - {SIGFPE, "SIGFPE/EVT_FPE"}, - {SIGKILL, "SIGKILL/EVT_AKILL"}, - {SIGSEGV, "SIGSEGV/EVT_SEGV"}, - {17, "SIGSTOP"}, - {23, "SIGSTOP"} -}; - -get_signal_names_out* RPCGENSRVNAME(get_signal_names_2_svc) (in, rqstp) - void* in; - struct svc_req *rqstp; /* server info */ -{ - static get_signal_names_out out; - - out.signals.all_signals_len = sizeof SignalNames / sizeof SignalNames[0]; - out.signals.all_signals_val = SignalNames; - - return(&out); -} diff --git a/c/src/lib/librdbg/servtgt.c b/c/src/lib/librdbg/servtgt.c deleted file mode 100644 index de41abc1a6..0000000000 --- a/c/src/lib/librdbg/servtgt.c +++ /dev/null @@ -1,552 +0,0 @@ -/* - ************************************************************************** - * - * Component: RDB servers - * Module: servtgt.c - * - * $Id$ - * - ************************************************************************** - */ - - -#include <string.h> -#include <sys/errno.h> -#include <rdbg/rdbg.h> -#include <rdbg/servrpc.h> -#include <sys/socket.h> -#include <assert.h> - -#ifdef DDEBUG -#define Ptrace TgtDbgPtrace -#else -#define Ptrace TgtRealPtrace -#endif - -/* ---------------------------------------------------------------- - TgtBreakRestoreOrig - Restore original instruction at "addr" - just before single-stepping it. - ---------------------------------------------------------------- */ - -int TgtBreakRestoreOrig (int pid, void *addr, void *addr2) - /* Process identifier */ - /* Breakpoint address */ - /* Original instruction or bkpt number */ -{ - int ret; - int l; - - l = (long)Ptrace(RPT_PEEKTEXT, pid, addr, 0, NULL); /* assume ok */ - ret = ORG_BREAK (l, (UINT32) addr2); /* reconstruct old instr */ - ret = Ptrace(RPT_POKETEXT, pid, addr, ret, NULL); /* poke back old */ - return ret; -} - -/* ----------------------------------------------------------------------- - TgtBreakCancelStep - Restore the breakpoint at "addr" if the single-step - has failed at the ptrace level. - ----------------------------------------------------------------------- */ - -#define BKPT0(plst) ((BASE_BREAK*)(plst)->break_list) - -void TgtBreakCancelStep (PID_LIST* plst) -{ - assert (plst->break_list); - assert (BKPT0 (plst)->clr_step); - - if (plst->break_list && BKPT0 (plst)->clr_step) { - int idx = BKPT0 (plst)->last_break; - int data; - - data = Ptrace (RPT_PEEKTEXT, plst->pid, - (char *)plst->break_list [idx].ee_loc, 0, NULL); - assert (! IS_BREAK (data)); - Ptrace (RPT_POKETEXT, plst->pid, - (char *)plst->break_list[idx].ee_loc, - (int) SET_BREAK (data), NULL); - } -} - -/* ----------------------------------------------------------------------- - TgtCreateNew - add a new process into the process management lists. - ----------------------------------------------------------------------- */ - - void -TgtCreateNew(PID pid, int conn, INT32 child, char *name, Boolean spawn) -{ - int idx; - - for (idx = 0; idx < pid_list_cnt; idx++) - if (!pid_list[idx].pid) - break; /* find empty */ - - if (idx >= pid_list_cnt) - { /* no empties, add more */ - PID_LIST *tmp_pid_list = pid_list; - - pid_list_cnt += PID_LIST_INC; - pid_list = (PID_LIST*) Realloc(pid_list, /* get new or extend */ - pid_list_cnt * sizeof(PID_LIST)); - if (!pid_list) - { /* out of memory */ - pid_list_cnt -= PID_LIST_INC; - if (pid_list_cnt) - { /* realloc failed - malloc again */ - pid_list = tmp_pid_list; - /* above relies on old pointer being valid after failed realloc */ - } - return; /* failed */ - } - /* now clear newly added space */ - memset(pid_list+pid_list_cnt-PID_LIST_INC, 0, - PID_LIST_INC * sizeof(PID_LIST)); - idx = pid_list_cnt - PID_LIST_INC; - } - else /* clear entry we found */ - memset(&pid_list[idx], 0, sizeof(PID_LIST)); - - /* now fill in empty entry */ - pid_list[idx].pid = pid; - pid_list[idx].running = 1; /* we have not called wait yet */ - pid_list[idx].primary_conn = (UCHAR)conn; /* primary owner */ - if (conn != -1) - { /* found caller */ - pid_list[idx].owners = 1; - PIDMAP_SET (conn, idx); /* mask in */ - } - pid_list[idx].thread = (UINT32)-1; /* no thread for now */ - pid_list[idx].last_start = LAST_START; /* handle MiX bug */ - - pid_list[idx].name = name ? (char *)StrDup(name) : (char *)NULL; - -} - -/* ----------------------------------------------------------------------- - TgtNotifyWaitChange - send event to clients indicating child changed state. - ----------------------------------------------------------------------- */ - - void -TgtNotifyWaitChange( PID pid, int status, Boolean exclude) -{ - int conn, idx; - - idx = FindPidEntry (pid); /* locate the pid that changed */ - if (idx < 0) - { - DPRINTF(("TgtNotifyWaitChange: pid %d not in our list\n", - (int) pid)); - return; /* not in our list */ - } - pid_list[idx].running = 0; /* not running */ - pid_list[idx].state = status; /* save status of stop/term */ - if (!pid_list[idx].owners && !STS_SIGNALLED(status)) - TgtDelete(&pid_list[idx], -1, 0); /* terminated and no owners */ - else - { /* normal cases */ - for (conn = 0; conn < conn_list_cnt; conn++) - { /* now find all interested clients */ - if (!conn_list[conn].in_use /* free entry */ - || ! PIDMAP_TEST (conn, idx)) - continue; /* not using this pid */ - if (conn == exclude) - continue; /* do not do this one */ - TspSendWaitChange(conn, BMSG_WAIT, 1, pid, 0, False);/* notify of change */ - } - } -} - -/* ----------------------------------------------------------------------- - TgtNotifyAll - send a message to all clients interested in process. - ----------------------------------------------------------------------- */ - - void - TgtNotifyAll( int pid_idx, BACK_MSG msg, UINT16 spec, - UINT32 context, int exclude, Boolean force) -{ - int conn; - - DPRINTF(("TgtNotifyAll: msg %d (%s) for pid_idx=%d (%d,%d)\n", - msg, BmsgNames [msg], pid_idx, exclude, force)); - for (conn = 0; conn < conn_list_cnt; conn++) - if (conn_list[conn].in_use /* not free */ - && PIDMAP_TEST (conn, pid_idx)) - { - if (conn != exclude) - TspSendWaitChange(conn, msg, spec, pid_list[pid_idx].pid, context, - force); - } -} - -/* ----------------------------------------------------------------------- - TgtDelete - mark process as now uncontrolled. - - Notes: - - this function removes a process from the process list. - - the notify argument indicates a message to send if needed. - ----------------------------------------------------------------------- */ - -void TgtDelete(PID_LIST *plst, int conn_idx, BACK_MSG notify) -{ - int idx = plst - pid_list, cnt, conn; - - /* found */ - cnt = pid_list[idx].owners; - if (cnt) - { /* some connections to break */ - for (conn = 0; cnt && conn < conn_list_cnt; conn++) - if (conn_list[conn].in_use /* not free */ - && PIDMAP_TEST (conn, idx)) - { /* found one that uses it */ - PIDMAP_CLEAR (conn, idx); - if (notify && conn != conn_idx) - TspSendWaitChange(conn, notify, 0, plst->pid, 0, True); - if (!--cnt) - break; - } - } - if (pid_list[idx].name) - Free(pid_list[idx].name); /* free string name back */ - /* Free breakpoint list */ - if (pid_list [idx].break_list != NULL) { - Free (pid_list [idx].break_list); - } - pid_list[idx].pid = 0; /* gone */ -} - - -/* ----------------------------------------------------------------------- - TgtKillAndDelete - kill or detach process and remove entry. - ----------------------------------------------------------------------- */ - - int -TgtKillAndDelete( PID_LIST *plst, struct svc_req *rqstp, Boolean term) -{ - ptrace_in pin; /* used for ptrace call */ - ptrace_out *pout; - - /* Remove breakpoints */ - if (plst->break_alloc > 0) { - pin.pid = plst->pid; - pin.addr.req = RPT_CLRBREAK; - pin.data = 0; /* clear all */ - pin.flags = PTRFLG_NON_OWNER; - pout = RPCGENSRVNAME(ptrace_2_svc) (&pin, rqstp); - if (pout->result < 0) { - DPRINTF (("TgtKillAndDelete: RPT_CLRBREAK failed %d\n", - getErrno())); - return -1; - } - } - - if (term) - { /* kill */ - pin.addr.ptrace_addr_data_in_u.address = 0; - pin.data = -1; /* Don't want notification from slave */ - pin.addr.req = RPT_KILL; - } - else - { /* detach */ - pin.addr.ptrace_addr_data_in_u.address = 1; - pin.data = 0; - pin.addr.req = RPT_DETACH; - } - pin.pid = plst->pid; - pin.flags = PTRFLG_FREE | PTRFLG_NON_OWNER; - - DPRINTF (("TgtKillAndDelete: ptrace_2_svc (%s (%d), %d)\n", - PtraceName (pin.addr.req), pin.addr.req, pin.pid)); - - pout = RPCGENSRVNAME(ptrace_2_svc) (&pin, rqstp);/* start it */ - if (pout->errNo == ESRCH && plst->pid) - TgtDelete(plst, -1, BMSG_KILLED); /* only entry remains */ - return 0; -} - -/* ----------------------------------------------------------------------- - TgtDetachCon - detach a connection's ownership of a process. - ----------------------------------------------------------------------- */ - - void -TgtDetachCon( int conn_idx, int pid_idx, Boolean delete) -{ - if ((unsigned) pid_idx >= pid_list_cnt - || !pid_list[pid_idx].pid) - return; /* not valid */ - if (PIDMAP_TEST (conn_idx, pid_idx)) - { /* if an owner, release control */ - PIDMAP_CLEAR (conn_idx, pid_idx); - - if (pid_list[pid_idx].owners) - pid_list[pid_idx].owners--; - if (pid_list[pid_idx].primary_conn == conn_idx) - pid_list[pid_idx].primary_conn = NO_PRIMARY; - if (delete - && !pid_list[pid_idx].owners - && PROC_TERMINATED (pid_list + pid_idx)) - TgtDelete(&pid_list[pid_idx], -1, 0); /* remove entry */ - } -} - -/* ----------------------------------------------------------------------- - TgtHandleChildChange - decide what action to take after wait() returns. - Used in the master only. - ----------------------------------------------------------------------- */ - -#ifdef DDEBUG -static char* LastStartNames[] = { - "NONE", "STEP", "CONT", "RANGE", - "STEPOFF", "KILLED", "DETACHED" -}; - -char* GetLastStartName (int last_start) -{ - static char buf [32]; - - strcpy (buf, LastStartNames [last_start & ~LAST_START]); - if (last_start & LAST_START) { - strcat (buf, "+START"); - } - return buf; -} -#endif - -Boolean TgtHandleChildChange(PID pid, int* status, int *unexp, - CPU_Exception_frame* ctx) -{ /* return False if continue, else stop */ - int idx, sig; - int bidx = 0; - PID_LIST *plst; - unsigned long PC; - BASE_BREAK *base = NULL; /* break_list[0] is really BASE_BREAK */ - int hadStepEmul; - int origHadStepEmul; - int stopWanted; - - DPRINTF (("TgtHandleChildChange: pid %d status %x cap\n", - (int) pid, *status)); - if (unexp) - *unexp = 0; /* initialize to ok */ - - /* first, find pid in question */ - idx = FindPidEntry (pid); - if (idx < 0) - { /* cannot locate this process */ - DPRINTF (("TgtHandleChildChange: unknown process (%s pid)\n", - FindPidEntry (pid) >= 0 ? "stale" : "unknown")); - if (unexp) - *unexp = 1; /* Unexpected change */ - return(False); /* unknown: ignore (used to stop and notify) */ - } - - /* found */ - plst = &pid_list[idx]; /* pointer to entry */ - /* first we see if just stopped */ - - /* copy ctxt */ - CtxToRegs(ctx, &(plst->regs)); - - stopWanted = plst->stop_wanted; - plst->stop_wanted = 0; /* For the next time */ - - hadStepEmul = BreakClear (plst, -1, -1) > 0; - origHadStepEmul = hadStepEmul; /* hadStepEmul is cleared if real bkpt met */ - - if (STS_SIGNALLED (*status)) - { /* stopped, not terminated */ - sig = STS_GETSIG (*status); /* signal that stopped us */ - - /* now, we read the registers and see what to do next */ - if (TgtPtrace(RPT_GETREGS, pid, (void *)&plst->regs, 0, NULL) < 0) { - memset (&plst->regs, 0, sizeof plst->regs); - } - - /* Get current thread */ - plst->thread = TgtPtrace(RPT_GETTARGETTHREAD, pid, NULL, 0, NULL); - - if (sig == SIGTRAP) - { /* stopped from break/step */ - PC = plst->regs.REG_PC; - /* Must check PC to see whether in situations where we had - step emulation we are on a breakpoint or just - have returned from an emulated single-step */ - if (BreakIdentify (plst, 0 /*no adjust*/, -1 /*no thread*/) > 0) { - hadStepEmul = 0; - } - plst->is_step = hadStepEmul || IS_STEP(plst->regs) - || plst->last_start == LAST_START; - DPRINTF (("TgtHandleChildChange: %s last_start %s\n", plst->is_step - ? "step": "break", GetLastStartName (plst->last_start))); - - if ((plst->is_step || origHadStepEmul || stopWanted) - && (plst->last_start == LAST_STEP - || plst->last_start == LAST_STEPOFF - || plst->last_start == LAST_RANGE)) - { - DPRINTF (("TgtHandleChildChange: restoring stepped-off bkpt\n")); - BreakSteppedOff (plst); - } - - if (plst->last_start == LAST_STEPOFF && (plst->is_step||origHadStepEmul)) - { /* stepped off break and now need cont */ - DPRINTF (("TgtHandleChildChange: auto-resuming after step-off\n")); - plst->last_start = LAST_CONT; /* convert to normal cont */ - if (!stopWanted) { - if (TgtPtrace(RPT_CONT, pid, (char *)1, 0, NULL)) - return True; /* tell people */ - return(False); /* wait for change */ - } - DPRINTF (("TgtHandleChildChange: stop_wanted %d in step-off\n", - stopWanted)); - *status = STS_MAKESIG (stopWanted); - return True; /* Stop and notify */ - } - - base = plst->break_list ? ((BASE_BREAK*)plst->break_list) : - ((BASE_BREAK*)NULL); - /* now see if step in range */ - - if (plst->last_start == LAST_RANGE /* step in range */ - && (plst->is_step || origHadStepEmul) /* not a breakpoint */ - && PC >= base->range_start - && PC <= base->range_end) - { /* still in range, keep going */ - if (stopWanted) { - DPRINTF (("TgtHandleChildChange: stop_wanted %d in step-range\n", - stopWanted)); - } else { - DPRINTF (("TgtHandleChildChange: Reservation at %x\n", - plst->regs.REG_PC)); - } - } - if (!plst->is_step) /* was break */ - { - bidx = BreakIdentify (plst, 1 /*adjust*/, plst->thread); - if (bidx == 0) { - DPRINTF (("TgtHandleChildChange: forwarding bkpt to kernel\n")); - if (unexp) { - *unexp = 1; - } - return False; - } - if (bidx < 0) { /* Unwanted breakpoint, must step it off */ - ptrace_in pin; - ptrace_out* out; - if (origHadStepEmul) - { - DPRINTF (("TgtHandleChildChange: bkpt %x becomes step\n", - plst->regs.REG_PC)); - bidx = -bidx; - plst->is_step = 1; - base->clr_step = plst->break_list [bidx].type == BRKT_INSTR; - base->last_break = bidx; - return True; - } - if (stopWanted) { - DPRINTF (("TgtHandleChildChange: stop_wanted %d at bkpt %x\n", - stopWanted, plst->regs.REG_PC)); - /* The PC has already been adjusted by BreakIdentify */ - *status = STS_MAKESIG (stopWanted); - return True; - } - /* All the handling is done in ptrace_2_svc() so call it */ - bidx = -bidx; - DPRINTF (("TgtHandleChildChange: last %d (%s) restarting bkpt %d\n", - plst->last_start, GetLastStartName (plst->last_start), bidx)); - base->clr_step = 1; - base->last_break = bidx; /* remember which one */ - plst->running = 0; /* So that ptrace is accepted */ - pin.pid = plst->pid; - - if (plst->last_start == LAST_STEP) { - pin.addr.req = RPT_SINGLESTEP; - } else { - pin.addr.req = RPT_CONT; - } - pin.addr.ptrace_addr_data_in_u.address = 1; - pin.data = 0; - pin.flags = PTRFLG_NON_OWNER; - out = RPCGENSRVNAME(ptrace_2_svc) (&pin, NULL); - if (out->result == 0) return False; /* Continue waiting */ - DPRINTF(("TgtHandleChildChange: failed to restart bkpt!\n")); - /* If something went wrong, just stop on breakpoint */ - } - } - } /* else sig != SIGTRAP */ - - /* finally, fill in stop info in break point array base */ - if (bidx > 0) - { /* store break info */ - /* will need to get off the break for SW breakpoints only */ - base->clr_step = plst->break_list [bidx].type == BRKT_INSTR; - base->last_break = bidx; /* remember which one */ - } - else if (base) - { /* clear break info */ - base->clr_step = False; /* not stopped on break */ - base->last_break = 0; - } - /* decision to notify owner based on last_start */ - } /* stopped */ - else /* terminated */ - { - if (plst->last_start == LAST_START) - { /* spawn failed */ - TgtNotifyAll(idx, BMSG_EXEC_FAIL, 0, 0, -1, True); - plst->running = False; /* not running - dead */ - plst->state = *status; /* contains errno in high word */ - return(False); - } - - else if ((UCHAR)(plst->last_start & ~LAST_START) < (UCHAR)LAST_KILLED) - plst->last_start = LAST_NONE; /* doesn't matter anymore */ - else - return(False); /* killed and detach already notified */ - } - return(True); /* stop and notify */ -} - -#ifdef DDEBUG - -/* ----------------------------------------------------------------------- - TgtDbgPtrace - debug version of ptrace. - ----------------------------------------------------------------------- */ - -int TgtDbgPtrace(int request, PID pid, char *addr, int data, void *addr2) -{ - int diag; - - DPRINTF (("TgtDbgPtrace: entered (%s (%d), %d, %x, %d, %x)\n", - PtraceName (request), request, pid, (int) addr, data, - (int) addr2)); - - if (request == RPT_WRITETEXT || request == RPT_WRITEDATA) { - int i; - - DPRINTF (("TgtDbgPtrace:")); - if (rdb_debug) { - for (i = 0; i < data && i < 16; ++i) { - printf (" %02x", ((char*) addr2) [i] & 0xFF); - } - printf ("\n"); - } - } - - diag = TgtRealPtrace (request, pid, addr, data, addr2); - - DPRINTF (("TgtDbgPtrace: returned %d (%x) errno %d\n", - diag, diag, getErrno())); - - if (request == RPT_GETREGS || request == RPT_GETTHREADREGS - || request == RPT_SETREGS || request == RPT_SETTHREADREGS) - { - /* Use DPRINTF() so as to have the id prefix */ - DPRINTF (("TgtDbgPtrace: (%s) PC = %x, SP = %x, FP = %x\n", - PtraceName (request), - ((xdr_regs*)addr)->REG_PC, - ((xdr_regs*)addr)->REG_SP, - ((xdr_regs*)addr)->REG_FP)); - } - - return(diag); -} -#endif /* DDEBUG */ diff --git a/c/src/lib/librdbg/servtsp.c b/c/src/lib/librdbg/servtsp.c deleted file mode 100644 index db342d58f9..0000000000 --- a/c/src/lib/librdbg/servtsp.c +++ /dev/null @@ -1,331 +0,0 @@ -/* - ************************************************************************** - * - * Component: RDBG - * Module: servtsp.c - * - * Synopsis: Transport management for remote debug server. - * - * $Id$ - * - ************************************************************************** - */ - -#include <sys/errno.h> -#include <rdbg/rdbg.h> -#include <rdbg/servrpc.h> -#include <signal.h> -#include <rpc/rpc.h> -#include <rpc/svc.h> -#include <netinet/in.h> -#include <sys/socket.h> - -static int out_sock; -static int warm_test; - -static void TimeTestHandler(); - - /* - * TspInit - Initialize the transport system. - * - */ - - void -TspInit (int id) -{ - struct sigaction sa; - - /* setup a socket to send event messages back through */ - out_sock = socket (PF_INET, SOCK_DGRAM, 0); - if (out_sock < 0) { - DPRINTF (("TspInit: socket() failed %d errno %d\n", - out_sock, getErrno())); - return; /* failed to open socket, let caller deal with */ - } - { - struct sockaddr_in addr; - - bzero ((void *)(&addr), sizeof addr); - addr.sin_family = AF_INET; - addr.sin_port = htons (BackPort); - if (bind (out_sock, (struct sockaddr*) &addr, sizeof addr) < 0) { - DPRINTF (("TspInit: bind() failed\n")); - } - } - /* setup alarm timer for warm testing */ - memset (&sa, 0, sizeof (sa)); - sa.sa_handler = TimeTestHandler; - sigaction (SIGALRM, &sa, 0); -} - - /* - * TspTranslateRpcAddr - translate from an RPC handle to an - * opaque address. - * - * Converts the sender's address into the opaque data structure - * used for network addresses. This is used to look up the sender - * on each call. - */ - - Boolean -TspTranslateRpcAddr (struct svc_req* rqstp, NET_OPAQUE* opaque) -{ - struct sockaddr_in* addr; /* used as template to extract net info */ - unsigned char* up; - - memset (opaque, 0, sizeof (NET_OPAQUE)); - /* - * We interpret the remote address as a standard netbuf name. - * The format is 2 bytes of address family (normally AF_INET) - * and then a length (5) and then the IP address. - */ - if (rqstp->rq_xprt->xp_addrlen != 16) - { - DPRINTF (("TspTranslateRpcAddr: Unknown remote address!!!\n")); - setErrno (EPROTONOSUPPORT); - return False; /* invalid, so fails */ - } - /* addr = &rqstp->rq_xprt->xp_raddr; */ - addr = svc_getcaller (rqstp->rq_xprt); - /* verify it is AF_INET */ - if (addr->sin_family != AF_INET) { /* no, error */ - DPRINTF (("TspTranslateRpcAddr: Not an internet address!!\n")); - setErrno (EAFNOSUPPORT);/* invalid addr family */ - return False; - } - /* good address type */ - up = (unsigned char *) &addr->sin_addr.s_addr; - DPRINTF (("TspTranslateRpcAddr: Sent by %u.%u.%u.%u port #%u\n", - up[0], up[1], up[2], up[3], htons (addr->sin_port))); - memcpy (opaque, addr, sizeof (struct sockaddr_in)); - return True; -} - - /* - * TspValidateAddr - validate a passed in opaque address. - * - * Checks that the passed in address is in the format - * expected. - */ - - Boolean -TspValidateAddr (NET_OPAQUE* opaque, NET_OPAQUE* sender) -{ - struct sockaddr_in* addr; /* used as template to extract net info */ - - addr = (struct sockaddr_in*) opaque; - /* Verify it is AF_INET. Should check against sender IP address too */ - if (addr->sin_family != AF_INET) { - DPRINTF (("TspValidateAddr: Back port invalid: %d\n", - htons (addr->sin_port))); - return False; /* not valid */ - } - /* otherwise, we copy in the IP address, since client may not know it */ - addr->sin_addr.s_addr = ((struct sockaddr_in*) sender)->sin_addr.s_addr; - DPRINTF (("TspValidateAddr: Back port is %d\n", htons (addr->sin_port))); - return True; -} - - /* - * TspConnGetIndex - lookup an rpc caller's address as a connection entry. - * - * Looks up an ip address of a caller to locate the - * connection index in our connection array. - */ - - int -TspConnGetIndex (struct svc_req* rqstp) -{ - int conn; - /* &rqstp->rq_xprt->xp_raddr; */ - struct sockaddr_in *addr = svc_getcaller (rqstp->rq_xprt); - - for (conn = 0; conn < conn_list_cnt; conn++) { - if (!conn_list[conn].in_use) - continue; /* not used */ - - if (addr->sin_addr.s_addr == ((struct sockaddr_in *) - &conn_list [conn].sender)->sin_addr.s_addr - && addr->sin_port == ((struct sockaddr_in *) - &conn_list[conn].sender)->sin_port) { - return conn; - } - } - return -1; -} - - - /* - * TspSendWaitChange - send wait-change message to clients to - * notify change. - */ - - void -TspSendWaitChange( - int conn, /* connection to send to */ - BACK_MSG msg, /* BMSG type */ - UINT16 spec, /* special information */ - PID pid, /* pid it refers to */ - UINT32 context, /* additional context for message */ - Boolean force) /* force into being only message */ -{ - int idx; - struct SEND_LIST* snd_ptr; - - if (force) { - /* force to top, which means others gone */ - idx = 0; - conn_list [conn].send_idx = 1; - conn_list[conn].retry = 0; - } else { - for (idx = 0; idx < (int) conn_list[conn].send_idx; idx++) { - if (conn_list[conn].send_list[idx].send_type == msg - && conn_list[conn].send_list[idx].pid == pid) - return; /* already pended for this pid */ - } - idx = conn_list[conn].send_idx; - if (idx+1 > MAX_SEND) - return; /* we lose it, what should we do??? */ - conn_list[conn].send_idx++; - } - snd_ptr = &conn_list[conn].send_list[idx]; - snd_ptr->send_type = msg; /* message to send */ - snd_ptr->retry = TSP_RETRIES; /* about 1 minute of retries */ - snd_ptr->spec = htons ((u_short) spec); - snd_ptr->pid = htonl (pid); - snd_ptr->context = htonl (context); - TspSendMessage (conn, False); /* now do the send */ -} - - /* - * TspSendMessage - send message at top of send list for connection. - */ - - void -TspSendMessage( int conn, Boolean resend) -{ - struct sockaddr_in addr; - struct UDP_MSG msg; - int cnt; - - if (!resend && conn_list[conn].retry) - return; /* already waiting for reply */ - - /* - * Note on above: if no back port we can't remove unless - * someone blows off. - */ - if (!resend) { - /* first time, setup. Set retry count: */ - conn_list[conn].retry = conn_list[conn].send_list[0].retry; - conn_list[conn].last_msg_num++; /* new sequence number */ - if (!warm_test++) { /* starting, so enable timer */ - alarm (2); /* resend every 2 seconds as needed */ - } - } - - msg.type = conn_list[conn].send_list[0].send_type; - msg.msg_num = conn_list[conn].last_msg_num; - msg.spec = conn_list[conn].send_list[0].spec; - msg.pid = conn_list[conn].send_list[0].pid; - msg.context = conn_list[conn].send_list[0].context; - - memset (&addr, 0, sizeof addr); - addr.sin_family = AF_INET; - addr.sin_port = ((struct sockaddr_in*)&conn_list[conn].back_port)->sin_port; - addr.sin_addr.s_addr = - ((struct sockaddr_in*)&conn_list[conn].back_port)->sin_addr.s_addr; - - DPRINTF (("TspSendMessage: Sending msg %d (%s) to port %d\n", - msg.type, BmsgNames [msg.type], HL_W (addr.sin_port))); - - cnt = sendto (out_sock, &msg, sizeof msg, 0, (struct sockaddr*) &addr, - sizeof addr); - if (cnt != sizeof msg) { /* failed on send */ - printf ("%s: Failed to send msg %d to conn %d (%d vs. %d)\n", - ActName, msg.type, conn, cnt, sizeof msg); - } -} - - /* - * TspMessageReceive - confirmation received, now send next if any. - * - * - since UDP is connectionless, we batch up the sends and use - * one at a time until we get a message indicating ready for - * next (from ack). - */ - - void -TspMessageReceive (int conn, PID pid) -{ - /* We remove the send list entry and use next if any */ - conn_list[conn].retry = 0; /* reset */ - if (!warm_test || !--warm_test) { - alarm (0); /* reset timer if not used */ - } -#ifdef DDEBUG - if (conn_list[conn].send_list[0].send_type == BMSG_WARM) { - DPRINTF (("TspMessageReceive: Connection reset for conn %d\n", conn)); - } -#endif - /* Move up by one if needed */ - if (!--conn_list[conn].send_idx) - return; /* no more to do */ - - memcpy (conn_list[conn].send_list, conn_list[conn].send_list+1, - conn_list[conn].send_idx * sizeof(struct SEND_LIST)); /* copy down */ - TspSendMessage (conn, 0); -} - - /* - * TspGetHostName - return client's host name. - * - * - this routine returns the name of the client's host or the net - * number of unknown. - */ - - char* -TspGetHostName (conn_idx) - int conn_idx; /* client connection number */ -{ - static char buff [30]; /* largest net num */ - unsigned char* cp; - - cp = conn_list[conn_idx].sender.c+4; - sprintf (buff, "%u.%u.%u.%u", cp[0], cp[1], cp[2], cp[3]); - return buff; -} - - /* - * TimeTestHandler - alarm timer handler to resend warm/wait test. - */ - - static void -TimeTestHandler() -{ - int conn; - - if (!warm_test) - return; /* no longer enabled */ - - for (conn = 0; conn < conn_list_cnt; conn++) { - /* locate all that are using this */ - if (!conn_list[conn].in_use) - continue; /* not used */ - - if (!conn_list[conn].retry) continue; - /* found one that we are testing */ - if (!--conn_list[conn].retry) { - /* - * Counted down the retries: blow off. - * Need to have connection flag to indicate not blowing - * off for cases where client is stopped due to being - * debugged. - */ - ConnDelete (conn, NULL, CLOSE_IGNORE); - continue; - } - TspSendMessage (conn, True); /* send another message */ - } - alarm (2); /* setup for 2 seconds from now */ -} diff --git a/c/src/lib/librdbg/servutil.c b/c/src/lib/librdbg/servutil.c deleted file mode 100644 index 1417fa5236..0000000000 --- a/c/src/lib/librdbg/servutil.c +++ /dev/null @@ -1,132 +0,0 @@ -/* - ********************************************************************** - * - * Component: RDB - * Module: servutil.c - * - * Synopsis: Various utility routines - * - * $Id$ - * - ********************************************************************** - */ - -#include <string.h> -#include <rdbg/rdbg.h> -#include <rdbg/servrpc.h> - -/*----- Management of per-process list ----*/ - - /* - * ListAlloc - build up list entry. - * - * Notes: - * - this is a generic routine to build up entries in the per-connection - * list. The fields list, list_sz and list_alloc are affected. - */ - - Boolean -ListAlloc(buff, clst) - char *buff; - CONN_LIST *clst; /* place to copy it */ -{ - int tmp; - char* name; - int new_len; - int len; - - tmp = strlen(buff); - new_len = (int)clst->list_sz + 1 + tmp; - if (clst->list_alloc < (unsigned)new_len) { - /* need more space */ - name = (char *)Realloc(clst->list, len = new_len + MAX_FILENAME); - if (name == NULL) { - return(False); /* failed, no space */ - } - clst->list_alloc = len; - clst->list = name; - } - strcpy(clst->list + clst->list_sz, buff); - clst->list_sz += tmp; - return(True); -} - -/*----- Management of processes -----*/ - - /* - * FindPidEntry - locate pid_list entry from pid - */ - - int -FindPidEntry (pid) - int pid; /* process identifier */ -{ - int idx; - - /* pid 0 is invalid, and signals a free slot */ - if (pid_list == NULL || pid == 0) { - return -1; - } - for (idx = 0; idx < pid_list_cnt; idx++) { - if (pid_list [idx].pid == pid ) - return idx; - } - return -1; -} - -/*----- Debug suport -----*/ - -#ifdef DDEBUG - - /* - * Names of debug primitives - */ - -const char* PtraceNames [] = { - -"RPT_TRACEME", "RPT_PEEKTEXT", "RPT_PEEKDATA", "RPT_PEEKUSER", -"RPT_POKETEXT", "RPT_POKEDATA", "RPT_POKEUSER", "RPT_CONT", -"RPT_KILL", "RPT_SINGLESTEP", "RPT_ATTACH", "RPT_DETACH", -"RPT_GETREGS", "RPT_SETREGS", "RPT_GETFPREGS", "RPT_SETFPREGS", -"RPT_READDATA", "RPT_WRITEDATA", "RPT_READTEXT", "RPT_WRITETEXT", -"RPT_GETFPAREGS", "RPT_SETFPAREGS", "RPT_22", "RPT_23", -"RPT_SYSCALL", "RPT_DUMPCORE", "RPT_26", "RPT_27", -"RPT_28", "RPT_GETUCODE", "RPT_30", "RPT_31", -"RPT_32", "RPT_33", "RPT_34", "RPT_35", -"RPT_36", "RPT_37", "RPT_38", "RPT_39", -"RPT_40", "RPT_41", "RPT_42", "RPT_43", -"RPT_44", "RPT_45", "RPT_46", "RPT_47", -"RPT_48", "RPT_49", "RPT_GETTARGETTHREAD", "RPT_SETTARGETTHREAD", -"RPT_THREADSUSPEND", "RPT_THREADRESUME", "RPT_THREADLIST", "RPT_GETTHREADNAME", -"RPT_SETTHREADNAME", "RPT_SETTHREADREGS", "RPT_GETTHREADREGS", - "RPT_59", -"RPT_60", "RPT_61", "RPT_62", "RPT_63", -"RPT_64", "RPT_65", "RPT_66", "RPT_67", -"RPT_68", "RPT_69", "RPT_70", "RPT_71", -"RPT_72", "RPT_73", "RPT_74", "RPT_STEPRANGE", -"RPT_CONTTO", "RPT_SETBREAK", "RPT_CLRBREAK", "RPT_GETBREAK", -"RPT_GETNAME", "RPT_STOP", -"RPT_PGETREGS", "RPT_PSETREGS", -"RPT_PSETTHREADREGS", "RPT_PGETTHREADREGS" -}; - -const char* -PtraceName(req) - int req; -{ - static char bufret[40]; - - if ((req < 0) || (req >= sizeof(PtraceNames)/sizeof(char*))) { - sprintf(bufret, "BAD_REQ_%d", req); - return bufret; - } - return PtraceNames[req]; -} - -const char* BmsgNames [] = { - "?", "WARM", "WAIT", "BREAK", - "EXEC_FAIL", "DETACH", "KILLED", "NOT_PRIM", - "NEW_PID" -}; - -#endif /* DDEBUG */ |