along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
-
-/* A successful ptrace(continue) might return errno != 0 in this particular port
- of rs6000. I am not sure why. We will use this kludge and ignore it until
- we figure out the real problem. */
-
-#define AIX_BUGGY_PTRACE_CONTINUE \
-{ \
- int ret = ptrace (PT_CONTINUE, inferior_pid, \
- (PTRACE_ARG3_TYPE) 1, signal, 0); \
- if (errno) { \
-/* printf ("ret: %d, errno: %d, signal: %d\n", ret, errno, signal); */ \
- errno = 0; } \
-}
-
extern int symtab_relocated;
/* Minimum possible text address in AIX */
char frameless; /* true if frameless functions. */
};
+void
+function_frame_info PARAMS ((CORE_ADDR, struct aix_framedata *));
/* Define the byte order of the machine. */
#define FRAME_FIND_SAVED_REGS(FRAME_INFO, FRAME_SAVED_REGS) \
{ \
- int ii, frame_addr, func_start; \
- struct aix_framedata fdata; \
- \
- /* find the start of the function and collect info about its frame. */ \
- \
- func_start = get_pc_function_start ((FRAME_INFO)->pc) + FUNCTION_START_OFFSET;\
- function_frame_info (func_start, &fdata); \
- bzero (&(FRAME_SAVED_REGS), sizeof (FRAME_SAVED_REGS)); \
- \
- /* if there were any saved registers, figure out parent's stack pointer. */ \
- frame_addr = 0; \
- /* the following is true only if the frame doesn't have a call to alloca(), \
- FIXME. */ \
- if (fdata.saved_fpr >= 0 || fdata.saved_gpr >= 0) { \
- if ((FRAME_INFO)->prev && (FRAME_INFO)->prev->frame) \
- frame_addr = (FRAME_INFO)->prev->frame; \
- else \
- frame_addr = read_memory_integer ((FRAME_INFO)->frame, 4); \
- } \
- \
- /* if != -1, fdata.saved_fpr is the smallest number of saved_fpr. All fpr's \
- from saved_fpr to fp31 are saved right underneath caller stack pointer, \
- starting from fp31 first. */ \
- \
- if (fdata.saved_fpr >= 0) { \
- for (ii=31; ii >= fdata.saved_fpr; --ii) \
- (FRAME_SAVED_REGS).regs [FP0_REGNUM + ii] = frame_addr - ((32 - ii) * 8); \
- frame_addr -= (32 - fdata.saved_fpr) * 8; \
- } \
- \
- /* if != -1, fdata.saved_gpr is the smallest number of saved_gpr. All gpr's \
- from saved_gpr to gpr31 are saved right under saved fprs, starting \
- from r31 first. */ \
- \
- if (fdata.saved_gpr >= 0) \
- for (ii=31; ii >= fdata.saved_gpr; --ii) \
- (FRAME_SAVED_REGS).regs [ii] = frame_addr - ((32 - ii) * 4); \
+ int ii; \
+ CORE_ADDR frame_addr, func_start; \
+ struct aix_framedata fdata; \
+ \
+ /* find the start of the function and collect info about its frame. */\
+ \
+ func_start = get_pc_function_start ((FRAME_INFO)->pc) + FUNCTION_START_OFFSET; \
+ function_frame_info (func_start, &fdata); \
+ bzero (&(FRAME_SAVED_REGS), sizeof (FRAME_SAVED_REGS)); \
+ \
+ /* if there were any saved registers, figure out parent's stack pointer. */ \
+ frame_addr = 0; \
+ /* the following is true only if the frame doesn't have a call to alloca(), \
+ FIXME. */ \
+ if (fdata.saved_fpr >= 0 || fdata.saved_gpr >= 0) { \
+ if ((FRAME_INFO)->prev && (FRAME_INFO)->prev->frame) \
+ frame_addr = (FRAME_INFO)->prev->frame; \
+ else \
+ frame_addr = read_memory_integer ((FRAME_INFO)->frame, 4); \
+ } \
+ \
+ /* if != -1, fdata.saved_fpr is the smallest number of saved_fpr. All fpr's \
+ from saved_fpr to fp31 are saved right underneath caller stack pointer, \
+ starting from fp31 first. */ \
+ \
+ if (fdata.saved_fpr >= 0) { \
+ for (ii=31; ii >= fdata.saved_fpr; --ii) \
+ (FRAME_SAVED_REGS).regs [FP0_REGNUM + ii] = frame_addr - ((32 - ii) * 8); \
+ frame_addr -= (32 - fdata.saved_fpr) * 8; \
+ } \
+ \
+ /* if != -1, fdata.saved_gpr is the smallest number of saved_gpr. All gpr's \
+ from saved_gpr to gpr31 are saved right under saved fprs, starting \
+ from r31 first. */ \
+ \
+ if (fdata.saved_gpr >= 0) \
+ for (ii=31; ii >= fdata.saved_gpr; --ii) \
+ (FRAME_SAVED_REGS).regs [ii] = frame_addr - ((32 - ii) * 4); \
}
\f