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linux-unwind.h: Include <asm/unistd.h>

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* config/mips/linux-unwind.h: Include <asm/unistd.h>
	(mips_fallback_frame_state): Use syscall numbers to determine
	the appropriate li instruction for the current ABI.  Only use
	__NR_sigreturn for o32.

From-SVN: r113906
This commit is contained in:
Richard Sandiford 2006-05-19 12:52:26 +00:00 committed by Richard Sandiford
parent 721a8ac58b
commit fa807ff666
2 changed files with 16 additions and 5 deletions
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7
gcc/ChangeLog
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@ -1,3 +1,10 @@
2006-05-19 Richard Sandiford <richard@codesourcery.com>
* config/mips/linux-unwind.h: Include <asm/unistd.h>
(mips_fallback_frame_state): Use syscall numbers to determine
the appropriate li instruction for the current ABI. Only use
__NR_sigreturn for o32.
2006-05-19 Nicolas Setton <setton@adacore.com>
* langhooks.h (struct lang_hooks): Add dwarf_name language hook.

14
gcc/config/mips/linux-unwind.h
View File

@ -31,6 +31,7 @@ Boston, MA 02110-1301, USA. */
state data appropriately. See unwind-dw2.c for the structs. */
#include <signal.h>
#include <asm/unistd.h>
/* The third parameter to the signal handler points to something with
* this structure defined in asm/ucontext.h, but the name clashes with
@ -59,20 +60,23 @@ mips_fallback_frame_state (struct _Unwind_Context *context,
/* or */
/* 24021017 li v0, 0x1017 (sigreturn) */
/* 0000000c syscall */
if (*(pc + 1) != 0x0000000c)
if (pc[1] != 0x0000000c)
return _URC_END_OF_STACK;
if (*(pc + 0) == 0x24021017)
#if _MIPS_SIM == _ABIO32
if (pc[0] == (0x24020000 | __NR_sigreturn))
{
struct sigframe {
u_int32_t trampoline[2];
u_int32_t trampoline[2];
struct sigcontext sigctx;
} *rt_ = context->ra;
sc = &rt_->sigctx;
}
else if (*(pc + 0) == 0x24021061)
else
#endif
if (pc[0] == (0x24020000 | __NR_rt_sigreturn))
{
struct rt_sigframe {
u_int32_t trampoline[2];
u_int32_t trampoline[2];
struct siginfo info;
_sig_ucontext_t uc;
} *rt_ = context->ra;