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
This commit is contained in:
Jakub Jelinek 2007-10-21 02:43:01 +02:00 committed by Jakub Jelinek
parent 6e8d3b8ae1
commit be1d746539
2 changed files with 10 additions and 1 deletions

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@ -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.

View File

@ -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) &regs->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) &regs->ccr - new_cfa
+ sizeof (long) - 4;
fs->regs.reg[R_LR].how = REG_SAVED_OFFSET;
fs->regs.reg[R_LR].loc.offset = (long) &regs->link - new_cfa;