diff options
Diffstat (limited to 'gdb/rs6000-tdep.c')
| -rw-r--r-- | gdb/rs6000-tdep.c | 20 |
1 files changed, 7 insertions, 13 deletions
diff --git a/gdb/rs6000-tdep.c b/gdb/rs6000-tdep.c index 18e6619..7f768c0 100644 --- a/gdb/rs6000-tdep.c +++ b/gdb/rs6000-tdep.c @@ -299,11 +299,9 @@ void rs6000_software_single_step (enum target_signal signal, int insert_breakpoints_p) { -#define INSNLEN(OPCODE) 4 - - static char le_breakp[] = LITTLE_BREAKPOINT; - static char be_breakp[] = BIG_BREAKPOINT; - char *breakp = TARGET_BYTE_ORDER == BFD_ENDIAN_BIG ? be_breakp : le_breakp; + CORE_ADDR dummy; + int breakp_sz; + char *breakp = rs6000_breakpoint_from_pc (&dummy, &breakp_sz); int ii, insn; CORE_ADDR loc; CORE_ADDR breaks[2]; @@ -316,7 +314,7 @@ rs6000_software_single_step (enum target_signal signal, insn = read_memory_integer (loc, 4); - breaks[0] = loc + INSNLEN (insn); + breaks[0] = loc + breakp_sz; opcode = insn >> 26; breaks[1] = branch_dest (opcode, insn, loc, breaks[0]); @@ -332,10 +330,7 @@ rs6000_software_single_step (enum target_signal signal, /* ignore invalid breakpoint. */ if (breaks[ii] == -1) continue; - - read_memory (breaks[ii], stepBreaks[ii].data, 4); - - write_memory (breaks[ii], breakp, 4); + target_insert_breakpoint (breaks[ii], stepBreaks[ii].data); stepBreaks[ii].address = breaks[ii]; } @@ -346,9 +341,8 @@ rs6000_software_single_step (enum target_signal signal, /* remove step breakpoints. */ for (ii = 0; ii < 2; ++ii) if (stepBreaks[ii].address != 0) - write_memory - (stepBreaks[ii].address, stepBreaks[ii].data, 4); - + target_remove_breakpoint (stepBreaks[ii].address, + stepBreaks[ii].data); } errno = 0; /* FIXME, don't ignore errors! */ /* What errors? {read,write}_memory call error(). */ |