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linux.h (MD_FALLBACK_FRAME_STATE_FOR): Handle new signal trampoline codes.

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* config/sh/linux.h (MD_FALLBACK_FRAME_STATE_FOR): Handle new
	signal trampoline codes.

From-SVN: r72128
This commit is contained in:
Kaz Kojima 2003-10-06 01:24:53 +00:00
parent 56ef49efae
commit 522d2b3fcc
2 changed files with 22 additions and 6 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
2003-10-05 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/linux.h (MD_FALLBACK_FRAME_STATE_FOR): Handle new
signal trampoline codes.
2003-10-05 Chris Demetriou <cgd@broadcom.com>
* config/mips/mips.md (*divsf3): Move description of

23
gcc/config/sh/linux.h
View File

@ -220,13 +220,24 @@ do { \
\
/* mov.w 1f,r3; trapa #0x10; 1: .short 0x77 (sigreturn) */ \
/* mov.w 1f,r3; trapa #0x10; 1: .short 0xad (rt_sigreturn) */ \
if ((*(unsigned short *) (pc_+0) == 0x9300) \
&& (*(unsigned short *) (pc_+2) == 0xc310) \
&& (*(unsigned short *) (pc_+4) == 0x0077)) \
/* Newer kernel uses pad instructions to avoid an SH-4 core bug. */\
/* mov.w 1f,r3; trapa #0x10; or r0,r0; or r0,r0; or r0,r0; or r0,r0;\
or r0,r0; 1: .short 0x77 (sigreturn) */ \
/* mov.w 1f,r3; trapa #0x10; or r0,r0; or r0,r0; or r0,r0; or r0,r0;\
or r0,r0; 1: .short 0xad (rt_sigreturn) */ \
if (((*(unsigned short *) (pc_+0) == 0x9300) \
&& (*(unsigned short *) (pc_+2) == 0xc310) \
&& (*(unsigned short *) (pc_+4) == 0x0077)) \
|| (((*(unsigned short *) (pc_+0) == 0x9305) \
&& (*(unsigned short *) (pc_+2) == 0xc310) \
&& (*(unsigned short *) (pc_+14) == 0x0077)))) \
sc_ = (CONTEXT)->cfa; \
else if ((*(unsigned short *) (pc_+0) == 0x9300) \
&& (*(unsigned short *) (pc_+2) == 0xc310) \
&& (*(unsigned short *) (pc_+4) == 0x00ad)) \
else if (((*(unsigned short *) (pc_+0) == 0x9300) \
&& (*(unsigned short *) (pc_+2) == 0xc310) \
&& (*(unsigned short *) (pc_+4) == 0x00ad)) \
|| (((*(unsigned short *) (pc_+0) == 0x9305) \
&& (*(unsigned short *) (pc_+2) == 0xc310) \
&& (*(unsigned short *) (pc_+14) == 0x00ad)))) \
{ \
struct rt_sigframe { \
struct siginfo info; \