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| author | Jakub Jelinek <jakub@redhat.com> | 2007-10-21 02:43:01 +0200 |
|---|---|---|
| committer | Jakub Jelinek <jakub@gcc.gnu.org> | 2007-10-21 02:43:01 +0200 |
| commit | be1d7465396d551bfec8c7396babf8c82761f440 (patch) | |
| tree | d93220e33034a8bedb967b984cebe6d47d39b5d5 | |
| parent | 6e8d3b8ae179d751dfee4a3cf0ac9e4bc9529dac (diff) | |
| download | gcc-be1d7465396d551bfec8c7396babf8c82761f440.zip gcc-be1d7465396d551bfec8c7396babf8c82761f440.tar.gz gcc-be1d7465396d551bfec8c7396babf8c82761f440.tar.bz2 | |
linux-unwind.h (ppc_fallback_frame_state): Point saved CR2 offset to low 32 bits of regs->ccr rather than the whole 64-bit...
* config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Point
saved CR2 offset to low 32 bits of regs->ccr rather than the whole
64-bit register in 64-bit libgcc.
From-SVN: r129520
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/config/rs6000/linux-unwind.h | 5 |
2 files changed, 10 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 6abb0ae..bf90912 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2007-10-20 Jakub Jelinek <jakub@redhat.com> + + * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Point + saved CR2 offset to low 32 bits of regs->ccr rather than the whole + 64-bit register in 64-bit libgcc. + 2007-10-20 Eric B. Weddington <eweddington@cso.atmel.com> * config/avr/avr.c (avr_mcu_types): Add at90pwm2b, at90pwm3b. diff --git a/gcc/config/rs6000/linux-unwind.h b/gcc/config/rs6000/linux-unwind.h index f3d76c0..4cd961c 100644 --- a/gcc/config/rs6000/linux-unwind.h +++ b/gcc/config/rs6000/linux-unwind.h @@ -250,7 +250,10 @@ ppc_fallback_frame_state (struct _Unwind_Context *context, } fs->regs.reg[R_CR2].how = REG_SAVED_OFFSET; - fs->regs.reg[R_CR2].loc.offset = (long) ®s->ccr - new_cfa; + /* CR? regs are always 32-bit and PPC is big-endian, so in 64-bit + libgcc loc.offset needs to point to the low 32 bits of regs->ccr. */ + fs->regs.reg[R_CR2].loc.offset = (long) ®s->ccr - new_cfa + + sizeof (long) - 4; fs->regs.reg[R_LR].how = REG_SAVED_OFFSET; fs->regs.reg[R_LR].loc.offset = (long) ®s->link - new_cfa; |