diff options
| -rw-r--r-- | gdb/rs6000-aix-tdep.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/gdb/rs6000-aix-tdep.c b/gdb/rs6000-aix-tdep.c index c5446db..b8772bd 100644 --- a/gdb/rs6000-aix-tdep.c +++ b/gdb/rs6000-aix-tdep.c @@ -1025,7 +1025,11 @@ rs6000_software_single_step (struct regcache *regcache) if (!next_pcs.empty ()) return next_pcs; - breaks[0] = loc + PPC_INSN_SIZE; + /* Here 0xfc000000 is the opcode mask to detect a P10 prefix instruction. */ + if ((insn & 0xfc000000) == 1 << 26) + breaks[0] = loc + 2 * PPC_INSN_SIZE; + else + breaks[0] = loc + PPC_INSN_SIZE; opcode = insn >> 26; breaks[1] = branch_dest (regcache, opcode, insn, loc, breaks[0]); |