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-rw-r--r--cpukit/libmisc/monitor/README7
-rw-r--r--cpukit/libmisc/monitor/mon-monitor.c307
-rw-r--r--cpukit/libmisc/monitor/mon-symbols.c327
-rw-r--r--cpukit/libmisc/monitor/monitor.h38
-rw-r--r--cpukit/libmisc/monitor/symbols.h80
5 files changed, 0 insertions, 759 deletions
diff --git a/cpukit/libmisc/monitor/README b/cpukit/libmisc/monitor/README
deleted file mode 100644
index cae39d593c..0000000000
--- a/cpukit/libmisc/monitor/README
+++ /dev/null
@@ -1,7 +0,0 @@
-#
-# $Id$
-#
-
-This is a snapshot of a work in process. It is the beginnings of a
-debug monitor task and trap handler which is tasking aware.
-
diff --git a/cpukit/libmisc/monitor/mon-monitor.c b/cpukit/libmisc/monitor/mon-monitor.c
deleted file mode 100644
index aa466143f9..0000000000
--- a/cpukit/libmisc/monitor/mon-monitor.c
+++ /dev/null
@@ -1,307 +0,0 @@
-/*
- * @(#)monitor.c 1.6 - 95/04/24
- *
- */
-
-/*
- * mon-task.c
- *
- * Description:
- * RTEMS monitor task
- *
- *
- *
- * TODO:
- * add pause command (monitor sleeps for 'n' ticks, then wakes up)
- *
- */
-
-#include <rtems.h>
-/* #include <bsp.h> */
-
-#include "symbols.h"
-#include "monitor.h"
-
-#include <stdio.h>
-#include <string.h>
-#include <stdlib.h>
-#include <unistd.h>
-
-#define STREQ(a,b) (strcmp(a,b) == 0)
-
-/* set by trap handler */
-extern rtems_tcb *debugger_interrupted_task;
-extern rtems_context *debugger_interrupted_task_context;
-extern rtems_unsigned32 debugger_trap;
-
-/* our task id needs to be public so any debugger can resume us */
-rtems_unsigned32 rtems_monitor_task_id;
-
-
-rtems_symbol_table_t *rtems_monitor_symbols;
-
-
-#ifndef MONITOR_PROMPT
-#define MONITOR_PROMPT "rtems> "
-#endif
-
-#define MONITOR_WAKEUP_EVENT RTEMS_EVENT_0
-
-/*
- * Function: rtems_monitor_init
- *
- * Description:
- * Create the RTEMS monitor task
- *
- * Parameters:
- * 'monitor_suspend' arg is passed as initial arg to monitor task
- * If TRUE, monitor will suspend itself as it starts up. Otherwise
- * it will begin its command loop.
- *
- * Returns:
- *
- *
- * Side Effects:
- *
- *
- * Notes:
- *
- *
- * Deficiencies/ToDo:
- *
- *
- */
-
-/*
- * make_argv(cp): token-count
- * Break up the command line in 'cp' into global argv[] and argc (return
- * value).
- */
-
-int
-rtems_monitor_make_argv(
- char *cp,
- int *argc_p,
- char **argv)
-{
- int argc = 0;
-
- while ((cp = strtok(cp, " \t\n\r")))
- {
- argv[argc++] = cp;
- cp = (char *) NULL;
- }
- argv[argc] = (char *) NULL; /* end of argv */
-
- return *argc_p = argc;
-}
-
-void
-rtems_monitor_init(rtems_boolean monitor_suspend)
-{
- rtems_status_code status;
-
- status = rtems_task_create(rtems_build_name('R', 'M', 'O', 'N'),
- 1, 0/*stack*/, RTEMS_NO_PREEMPT | RTEMS_INTERRUPT_LEVEL(0), RTEMS_DEFAULT_ATTRIBUTES, &rtems_monitor_task_id);
- if (status != RTEMS_SUCCESSFUL)
- {
- printf("could not create monitor task\n");
- goto done;
- }
-
- rtems_monitor_symbols_loadup();
-
- status = rtems_task_start(rtems_monitor_task_id, rtems_monitor_task, monitor_suspend);
- if (status != RTEMS_SUCCESSFUL)
- {
- printf("could not start monitor!\n");
- goto done;
- }
-
-done:
-}
-
-rtems_status_code
-rtems_monitor_suspend(rtems_interval timeout)
-{
- rtems_event_set event_set;
- rtems_status_code status;
-
- status = rtems_event_receive(MONITOR_WAKEUP_EVENT, RTEMS_DEFAULT_OPTIONS, timeout, &event_set);
- return status;
-}
-
-void
-rtems_monitor_wakeup(void)
-{
- rtems_status_code status;
-
- status = rtems_event_send(rtems_monitor_task_id, MONITOR_WAKEUP_EVENT);
-}
-
-
-/*
- * Read and break up a monitor command
- *
- * We have to loop on the gets call, since it will return NULL under UNIX
- * RTEMS when we get a signal (eg: SIGALRM).
- */
-
-int
-rtems_monitor_read_command(char *command,
- int *argc,
- char **argv)
-{
- printf("%s", MONITOR_PROMPT); fflush(stdout);
- while (gets(command) == (char *) 0)
- ;
- return rtems_monitor_make_argv(command, argc, argv);
-}
-
-void
-rtems_monitor_task(rtems_task_argument monitor_suspend)
-{
- rtems_tcb *debugee = 0;
- char command[513];
- rtems_context *rp;
- rtems_context_fp *fp;
- char *cp;
- int argc;
- char *argv[64];
-
- if ((rtems_boolean) monitor_suspend)
- (void) rtems_monitor_suspend(RTEMS_NO_TIMEOUT);
-
- for (;;)
- {
- extern rtems_tcb * _Thread_Executing;
- debugee = _Thread_Executing;
- rp = &debugee->Registers;
- fp = (rtems_context_fp *) debugee->fp_context; /* possibly 0 */
-
- if (0 == rtems_monitor_read_command(command, &argc, argv))
- continue;
-
- if (STREQ(argv[0], "quit"))
- rtems_monitor_suspend(RTEMS_NO_TIMEOUT);
- else if (STREQ(argv[0], "pause"))
- rtems_monitor_suspend(1);
-
-#ifdef CPU_INVOKE_DEBUGGER
- else if (STREQ(argv[0], "debug"))
- {
- CPU_INVOKE_DEBUGGER;
- }
-#endif
- else if (STREQ(argv[0], "symbol"))
- {
- char *symbol;
- char *value;
-
- if (argc != 3)
- {
- printf("usage: symbol symname symvalue\n");
- continue;
- }
-
- symbol = argv[1];
- value = argv[2];
- if (symbol && value)
- {
- rtems_symbol_t *sp;
- sp = rtems_symbol_create(rtems_monitor_symbols,
- symbol,
- (rtems_unsigned32) strtoul(value, 0, 16));
- if (sp)
- printf("symbol defined is at %p\n", sp);
- else
- printf("could not define symbol\n");
- }
- else
- printf("parsing error\n");
- }
- else
- {
- printf("Unrecognized command: '%s'\n", argv[0]);
- }
- }
-}
-
-/*
- * Function: rtems_monitor_symbols_loadup
- *
- * Description:
- * Create and load the monitor's symbol table.
- * We are reading the output format of 'gnm' which looks like this:
- *
- * 400a7068 ? _Rate_monotonic_Information
- * 400a708c ? _Thread_Dispatch_disable_level
- * 400a7090 ? _Configuration_Table
- *
- *
- * We ignore the type field.
- *
- * Parameters:
- *
- *
- * Returns:
- *
- *
- * Side Effects:
- * Creates and fills in 'rtems_monitor_symbols' table
- *
- * Notes:
- *
- *
- * Deficiencies/ToDo:
- * Someday this should know BFD
- * Maybe we could get objcopy to just copy the symbol areas
- * and copy that down.
- *
- */
-
-void
-rtems_monitor_symbols_loadup(void)
-{
- FILE *fp;
- char buffer[128];
-
- rtems_monitor_symbols = rtems_symbol_table_create(10);
- if (rtems_monitor_symbols == 0)
- return;
-
- fp = fdopen(8, "r");
- if (fp == 0)
- return;
-
- while (fgets(buffer, sizeof(buffer) - 1, fp))
- {
- char *symbol;
- char *value;
- char *ignored_type;
-
- value = strtok(buffer, " \t\n");
- ignored_type = strtok(0, " \t\n");
- symbol = strtok(0, " \t\n");
-
- if (symbol && ignored_type && value)
- {
- rtems_symbol_t *sp;
- sp = rtems_symbol_create(rtems_monitor_symbols,
- symbol,
- (rtems_unsigned32) strtoul(value, 0, 16));
- if (sp == 0)
- {
- printf("could not define symbol\n");
- goto done;
- }
- }
- else
- {
- printf("parsing error\n");
- goto done;
- }
- }
-
-done:
-}
diff --git a/cpukit/libmisc/monitor/mon-symbols.c b/cpukit/libmisc/monitor/mon-symbols.c
deleted file mode 100644
index 58d35befa1..0000000000
--- a/cpukit/libmisc/monitor/mon-symbols.c
+++ /dev/null
@@ -1,327 +0,0 @@
-/*
- * @(#)symbols.c 1.3 - 95/04/24
- *
- */
-
-/* #define qsort _quicksort */
-
-/*
- * File: symbols.c
- *
- * Description:
- * Symbol table manager for the RTEMS monitor.
- * These routines may be used by other system resources also.
- *
- *
- * TODO:
- */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <rtems.h>
-
-#include "symbols.h"
-
-extern rtems_symbol_table_t *rtems_monitor_symbols;
-
-#ifdef RTEMS_DEBUG
-#define CHK_ADR_PTR(p) \
-do { \
- if (((p) < rtems_monitor_symbols->addresses) || \
- ((p) >= (rtems_monitor_symbols->addresses + rtems_monitor_symbols->next))) \
- { \
- printf("bad address pointer %p\n", (p)); \
- rtems_fatal_error_occurred(RTEMS_INVALID_ADDRESS); \
- } \
-} while (0)
-
-#define CHK_NAME_PTR(p) \
-do { \
- if (((p) < rtems_monitor_symbols->symbols) || \
- ((p) >= (rtems_monitor_symbols->symbols + rtems_monitor_symbols->next))) \
- { \
- printf("bad symbol pointer %p\n", (p)); \
- rtems_fatal_error_occurred(RTEMS_INVALID_ADDRESS); \
- } \
-} while (0)
-#else
-#define CHK_ADR_PTR(p)
-#define CHK_NAME_PTR(p)
-#endif
-
-rtems_symbol_table_t *
-rtems_symbol_table_create()
-{
- rtems_symbol_table_t *table;
-
- table = (rtems_symbol_table_t *) malloc(sizeof(rtems_symbol_table_t));
- memset((void *) table, 0, sizeof(*table));
-
- table->growth_factor = 30; /* 30 percent */
-
- return table;
-}
-
-void
-rtems_symbol_table_destroy(rtems_symbol_table_t *table)
-{
- rtems_symbol_string_block_t *p, *pnext;
-
- if (table)
- {
- if (table->addresses)
- (void) free(table->addresses);
- table->addresses = 0;
-
- if (table->symbols)
- (void) free(table->symbols);
- table->symbols = 0;
-
- p = table->string_buffer_head;
- while (p)
- {
- pnext = p->next;
- free(p);
- p = pnext;
- }
- table->string_buffer_head = 0;
- table->string_buffer_current = 0;
-
- free(table);
- }
-}
-
-rtems_symbol_t *
-rtems_symbol_create(
- rtems_symbol_table_t *table,
- char *name,
- rtems_unsigned32 value
- )
-{
- int symbol_length;
- size_t newsize;
- rtems_symbol_t *sp;
-
- symbol_length = strlen(name) + 1; /* include '\000' in length */
-
- /* need to grow the table? */
- if (table->next >= table->size)
- {
- if (table->size == 0)
- newsize = 100;
- else
- newsize = table->size + (table->size / (100 / table->growth_factor));
-
- table->addresses = (rtems_symbol_t *) realloc((void *) table->addresses, newsize * sizeof(rtems_symbol_t));
- if (table->addresses == 0) /* blew it; lost orig */
- goto failed;
-
- table->symbols = (rtems_symbol_t *) realloc((void *) table->symbols, newsize * sizeof(rtems_symbol_t));
- if (table->symbols == 0) /* blew it; lost orig */
- goto failed;
-
- table->size = newsize;
- }
-
- sp = &table->addresses[table->next];
- sp->value = value;
-
- /* Have to add it to string pool */
- /* need to grow pool? */
-
- if ((table->string_buffer_head == 0) ||
- (table->strings_next + symbol_length) >= SYMBOL_STRING_BLOCK_SIZE)
- {
- rtems_symbol_string_block_t *p;
-
- p = (rtems_symbol_string_block_t *) malloc(sizeof(rtems_symbol_string_block_t));
- if (p == 0)
- goto failed;
- p->next = 0;
- if (table->string_buffer_head == 0)
- table->string_buffer_head = p;
- else
- table->string_buffer_current->next = p;
- table->string_buffer_current = p;
-
- table->strings_next = 0;
- }
-
- sp->name = table->string_buffer_current->buffer + table->strings_next;
- (void) strcpy(sp->name, name);
-
- table->strings_next += symbol_length;
-
- table->symbols[table->next] = *sp;
-
- table->sorted = 0;
- table->next++;
-
- return sp;
-
-/* XXX Not sure what to do here. We've possibly destroyed the initial
- symbol table due to realloc failure */
-failed:
- return 0;
-}
-
-/*
- * Qsort entry point for compare by address
- */
-
-int
-rtems_symbol_compare(const void *e1,
- const void *e2)
-{
- rtems_symbol_t *s1, *s2;
- s1 = (rtems_symbol_t *) e1;
- s2 = (rtems_symbol_t *) e2;
-
- CHK_ADR_PTR(s1);
- CHK_ADR_PTR(s2);
-
- if (s1->value < s2->value)
- return -1;
- if (s1->value > s2->value)
- return 1;
- return 0;
-}
-
-/*
- * Qsort entry point for compare by string name (case independent)
- */
-
-int
-rtems_symbol_string_compare(const void *e1,
- const void *e2)
-{
- rtems_symbol_t *s1, *s2;
- s1 = (rtems_symbol_t *) e1;
- s2 = (rtems_symbol_t *) e2;
-
- CHK_NAME_PTR(s1);
- CHK_NAME_PTR(s2);
-
- return strcasecmp(s1->name, s2->name);
-}
-
-
-/*
- * Sort the symbol table using qsort
- */
-
-void
-rtems_symbol_sort(rtems_symbol_table_t *table)
-{
-#ifdef simhppa
- printf("Sorting symbols ... "); /* so slow we need a msg */
- fflush(stdout);
-#endif
-
- qsort((void *) table->addresses, (size_t) table->next,
- sizeof(rtems_symbol_t), rtems_symbol_compare);
-
- qsort((void *) table->symbols, (size_t) table->next,
- sizeof(rtems_symbol_t), rtems_symbol_string_compare);
-
-#ifdef simhppa
- /* so slow we need a msg */
- printf("done\n");
-#endif
-
- table->sorted = 1;
-}
-
-/*
- * Search the symbol table by address
- * This code based on CYGNUS newlib bsearch, but changed
- * to allow for finding closest symbol <= key
- */
-
-rtems_symbol_t *
-rtems_symbol_value_lookup(
- rtems_symbol_table_t *table,
- rtems_unsigned32 value
- )
-{
- rtems_symbol_t *sp;
- rtems_symbol_t *base;
- rtems_symbol_t *best = 0;
- rtems_unsigned32 distance;
- rtems_unsigned32 best_distance = ~0;
- rtems_unsigned32 elements;
-
- if ((table == 0) || (table->size == 0))
- return 0;
-
- if (table->sorted == 0)
- rtems_symbol_sort(table);
-
- base = table->addresses;
- elements = table->next;
-
- while (elements)
- {
- sp = base + (elements / 2);
- if (value < sp->value)
- elements /= 2;
- else if (value > sp->value)
- {
- distance = value - sp->value;
- if (distance < best_distance)
- {
- best_distance = distance;
- best = sp;
- }
- base = sp + 1;
- elements = (elements / 2) - (elements % 2 ? 0 : 1);
- }
- else
- return sp;
- }
-
- if (value == base->value)
- return base;
-
- return best;
-}
-
-/*
- * Search the symbol table by string name (case independent)
- */
-
-rtems_symbol_t *
-rtems_symbol_name_lookup(
- rtems_symbol_table_t *table,
- char *name
- )
-{
- rtems_symbol_t *sp = 0;
- rtems_symbol_t key;
-
- if ((table == 0) || (name == 0))
- goto done;
-
- if (table->sorted == 0)
- {
- rtems_symbol_sort(table);
- }
-
- /*
- * dummy up one for bsearch()
- */
-
- key.name = name;
- key.value = 0;
-
- sp = (rtems_symbol_t *) bsearch((const void *) &key,
- (const void *) table->symbols,
- (size_t) table->next,
- sizeof(rtems_symbol_t),
- rtems_symbol_string_compare);
-
-done:
- return sp;
-}
-
diff --git a/cpukit/libmisc/monitor/monitor.h b/cpukit/libmisc/monitor/monitor.h
deleted file mode 100644
index 195aa73695..0000000000
--- a/cpukit/libmisc/monitor/monitor.h
+++ /dev/null
@@ -1,38 +0,0 @@
-/*
- * @(#)monitor.h 1.2 - 95/04/24
- *
- */
-
-/*
- * File: monitor.h
- *
- * Description:
- * The RTEMS monitor task include file.
- *
- *
- *
- * TODO:
- *
- */
-
-#ifndef __MONITOR_H
-#define __MONITOR_H
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-void rtems_monitor_init(rtems_boolean monitor_suspend);
-void rtems_monitor_wakeup(void);
-void rtems_monitor_task(rtems_task_argument monitor_suspend);
-void rtems_monitor_symbols_loadup(void);
-
-extern rtems_unsigned32 rtems_monitor_task_id;
-
-extern rtems_symbol_table_t *rtems_monitor_symbols;
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif /* ! __MONITOR_H */
diff --git a/cpukit/libmisc/monitor/symbols.h b/cpukit/libmisc/monitor/symbols.h
deleted file mode 100644
index 680ac6d2cf..0000000000
--- a/cpukit/libmisc/monitor/symbols.h
+++ /dev/null
@@ -1,80 +0,0 @@
-/*
- * File: symbols.h
- *
- * Description:
- * Entry points for symbol table routines.
- *
- *
- *
- * TODO:
- *
- */
-
-#ifndef _INCLUDE_SYMBOLS_H
-#define _INCLUDE_SYMBOLS_H
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-typedef struct {
- rtems_unsigned32 value;
- char *name;
-} rtems_symbol_t;
-
-#define SYMBOL_STRING_BLOCK_SIZE 4080
-typedef struct rtems_symbol_string_block_s {
- struct rtems_symbol_string_block_s *next;
- char buffer[SYMBOL_STRING_BLOCK_SIZE];
-} rtems_symbol_string_block_t;
-
-typedef struct {
-
- rtems_unsigned32 sorted; /* are symbols sorted right now? */
-
- rtems_unsigned32 growth_factor; /* % to grow by when needed */
-
- rtems_unsigned32 next; /* next symbol slot to use when adding */
- rtems_unsigned32 size; /* max # of symbols */
-
- /*
- * Symbol list -- sorted by address (when we do a lookup)
- */
-
- rtems_symbol_t *addresses; /* symbol array by address */
-
- /*
- * String list -- sorted by name (when we do a lookup)
- * This is a duplicate of the info in table->addresses, but it's
- * pretty small, so I don't worry about it.
- */
-
- rtems_symbol_t *symbols; /* symbol array */
-
- /*
- * String pool, unsorted, a list of blocks of string data
- */
-
- rtems_symbol_string_block_t *string_buffer_head;
- rtems_symbol_string_block_t *string_buffer_current;
- rtems_unsigned32 strings_next; /* next byte to use in this block */
-
-} rtems_symbol_table_t;
-
-void rtems_symbol_table_destroy(rtems_symbol_table_t *table);
-rtems_symbol_table_t *rtems_symbol_table_create();
-rtems_symbol_t *rtems_symbol_create(rtems_symbol_table_t *,
- char *, rtems_unsigned32);
-rtems_symbol_t *rtems_symbol_value_lookup(rtems_symbol_table_t *,
- rtems_unsigned32);
-rtems_symbol_t *rtems_symbol_name_lookup(rtems_symbol_table_t *,
- char *);
-
-#define rtems_symbol_name(sp) ((sp)->name)
-#define rtems_symbol_value(sp) ((sp)->value)
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif /* ! _INCLUDE_SYMBOLS_H */
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-27 06:21:55 +0000