diff options
Diffstat (limited to 'c/src/lib/librdbg/powerpc/excep_f.c')
| -rw-r--r-- | c/src/lib/librdbg/powerpc/excep_f.c | 167 |
1 files changed, 0 insertions, 167 deletions
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); - } - -} - - - |