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| author | Nathan Froyd <froydnj@codesourcery.com> | 2010-11-12 21:53:10 +0000 |
|---|---|---|
| committer | Nathan Froyd <froydnj@codesourcery.com> | 2010-11-12 21:53:10 +0000 |
| commit | e52d501632e2c9c117e14ba1b2a52c75f2d6f353 (patch) | |
| tree | 9115ca323df0446583399d4252128a309c642db8 | |
| parent | d4eba7d1b0493bdcd9cf67e33ff4f8e78f436bc3 (diff) | |
| download | binutils-e52d501632e2c9c117e14ba1b2a52c75f2d6f353.zip binutils-e52d501632e2c9c117e14ba1b2a52c75f2d6f353.tar.gz binutils-e52d501632e2c9c117e14ba1b2a52c75f2d6f353.tar.bz2 | |
gdb/
* rs6000-tdep.c (gdb_print_insn_powerpc): Disassemble e500
instructions if debugging an E500 binary.
| -rw-r--r-- | gdb/ChangeLog | 5 | ||||
| -rw-r--r-- | gdb/rs6000-tdep.c | 14 |
2 files changed, 18 insertions, 1 deletions
diff --git a/gdb/ChangeLog b/gdb/ChangeLog index 58ce121..8e60d3a 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -1,3 +1,8 @@ +2010-11-12 Nathan Froyd <froydnj@codesourcery.com> + + * rs6000-tdep.c (gdb_print_insn_powerpc): Disassemble e500 + instructions if debugging an E500 binary. + 2010-11-12 Tom Tromey <tromey@redhat.com> * varobj.c (value_get_print_value): Rearrange. Pass stream to diff --git a/gdb/rs6000-tdep.c b/gdb/rs6000-tdep.c index 09c7f8f..611c775 100644 --- a/gdb/rs6000-tdep.c +++ b/gdb/rs6000-tdep.c @@ -3029,7 +3029,19 @@ static int gdb_print_insn_powerpc (bfd_vma memaddr, disassemble_info *info) { if (!info->disassembler_options) - info->disassembler_options = "any"; + { + /* When debugging E500 binaries and disassembling code containing + E500-specific (SPE) instructions, one sometimes sees AltiVec + instructions instead. The opcode spaces for SPE instructions + and AltiVec instructions overlap, and specifiying the "any" cpu + looks for AltiVec instructions first. If we know we're + debugging an E500 binary, however, we can specify the "e500x2" + cpu and get much more sane disassembly output. */ + if (info->mach == bfd_mach_ppc_e500) + info->disassembler_options = "e500x2"; + else + info->disassembler_options = "any"; + } if (info->endian == BFD_ENDIAN_BIG) return print_insn_big_powerpc (memaddr, info); |