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linux-unwind.h: Update copyright years. 

* config/alpha/linux-unwind.h: Update copyright years.
	(MD_FROB_UPDATE_CONTEXT): New define.
	(alpha_frob_update_context): New function.

From-SVN: r182606
This commit is contained in:
Uros Bizjak 2011-12-21 22:29:45 +01:00
parent a92d56197b
commit d4cb9034c3
2 changed files with 32 additions and 8 deletions
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9
gcc/ChangeLog
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@ -1,7 +1,12 @@
2011-12-21 Uros Bizjak <ubizjak@gmail.com>
* config/alpha/linux-unwind.h: Update copyright years.
(MD_FROB_UPDATE_CONTEXT): New define.
(alpha_frob_update_context): New function.
2011-12-13 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
* regmove.c (fixup_match_2): Only access call_used_regs with hard
regs.
* regmove.c (fixup_match_2): Only access call_used_regs with hard regs.
2011-12-09 Kazu Hirata <kazu@codesourcery.com>

31
gcc/config/alpha/linux-unwind.h
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@ -1,5 +1,5 @@
/* DWARF2 EH unwinding support for Alpha Linux.
Copyright (C) 2004, 2005, 2009 Free Software Foundation, Inc.
Copyright (C) 2004, 2005, 2009, 2011 Free Software Foundation, Inc.
This file is part of GCC.
@ -36,16 +36,17 @@ alpha_fallback_frame_state (struct _Unwind_Context *context,
{
unsigned int *pc = context->ra;
struct sigcontext *sc;
long new_cfa, i;
long new_cfa;
int i;
if (pc[0] != 0x47fe0410 /* mov $30,$16 */
|| pc[2] != 0x00000083 /* callsys */)
|| pc[2] != 0x00000083) /* callsys */
return _URC_END_OF_STACK;
if (context->cfa == 0)
return _URC_END_OF_STACK;
if (pc[1] == 0x201f0067) /* lda $0,NR_sigreturn */
sc = context->cfa;
else if (pc[1] == 0x201f015f) /* lda $0,NR_rt_sigreturn */
else if (pc[1] == 0x201f015f) /* lda $0,NR_rt_sigreturn */
{
struct rt_sigframe {
struct siginfo info;
@ -55,6 +56,7 @@ alpha_fallback_frame_state (struct _Unwind_Context *context,
}
else
return _URC_END_OF_STACK;
new_cfa = sc->sc_regs[30];
fs->regs.cfa_how = CFA_REG_OFFSET;
fs->regs.cfa_reg = 30;
@ -63,13 +65,13 @@ alpha_fallback_frame_state (struct _Unwind_Context *context,
{
fs->regs.reg[i].how = REG_SAVED_OFFSET;
fs->regs.reg[i].loc.offset
= (long)&sc->sc_regs[i] - new_cfa;
= (long) &sc->sc_regs[i] - new_cfa;
}
for (i = 0; i < 31; ++i)
{
fs->regs.reg[i+32].how = REG_SAVED_OFFSET;
fs->regs.reg[i+32].loc.offset
= (long)&sc->sc_fpregs[i] - new_cfa;
= (long) &sc->sc_fpregs[i] - new_cfa;
}
fs->regs.reg[64].how = REG_SAVED_OFFSET;
fs->regs.reg[64].loc.offset = (long)&sc->sc_pc - new_cfa;
@ -78,3 +80,20 @@ alpha_fallback_frame_state (struct _Unwind_Context *context,
return _URC_NO_REASON;
}
#define MD_FROB_UPDATE_CONTEXT alpha_frob_update_context
/* Fix up for signal handlers that don't have S flag set. */
static void
alpha_frob_update_context (struct _Unwind_Context *context,
_Unwind_FrameState *fs ATTRIBUTE_UNUSED)
{
unsigned int *pc = context->ra;
if (pc[0] == 0x47fe0410 /* mov $30,$16 */
&& pc[2] == 0x00000083 /* callsys */
&& (pc[1] == 0x201f0067 /* lda $0,NR_sigreturn */
|| pc[1] == 0x201f015f)) /* lda $0,NR_rt_sigreturn */
_Unwind_SetSignalFrame (context, 1);
}