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https://github.com/Stichting-MINIX-Research-Foundation/pkgsrc-ng.git
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82 lines
2.4 KiB
C
82 lines
2.4 KiB
C
$NetBSD$
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--- gcc/config/alpha/linux-unwind.h.orig Thu Apr 9 15:00:19 2009
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+++ gcc/config/alpha/linux-unwind.h
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@@ -1,5 +1,5 @@
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/* DWARF2 EH unwinding support for Alpha Linux.
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- Copyright (C) 2004, 2005, 2009 Free Software Foundation, Inc.
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+ Copyright (C) 2004, 2005, 2009, 2011, 2012 Free Software Foundation, Inc.
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This file is part of GCC.
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@@ -36,25 +36,27 @@ alpha_fallback_frame_state (struct _Unwind_Context *co
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{
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unsigned int *pc = context->ra;
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struct sigcontext *sc;
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- long new_cfa, i;
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+ long new_cfa;
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+ int i;
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if (pc[0] != 0x47fe0410 /* mov $30,$16 */
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- || pc[2] != 0x00000083 /* callsys */)
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+ || pc[2] != 0x00000083) /* callsys */
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return _URC_END_OF_STACK;
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if (context->cfa == 0)
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return _URC_END_OF_STACK;
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if (pc[1] == 0x201f0067) /* lda $0,NR_sigreturn */
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sc = context->cfa;
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- else if (pc[1] == 0x201f015f) /* lda $0,NR_rt_sigreturn */
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+ else if (pc[1] == 0x201f015f) /* lda $0,NR_rt_sigreturn */
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{
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struct rt_sigframe {
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- struct siginfo info;
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+ siginfo_t info;
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struct ucontext uc;
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} *rt_ = context->cfa;
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sc = &rt_->uc.uc_mcontext;
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}
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else
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return _URC_END_OF_STACK;
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+
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new_cfa = sc->sc_regs[30];
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fs->regs.cfa_how = CFA_REG_OFFSET;
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fs->regs.cfa_reg = 30;
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@@ -63,16 +65,35 @@ alpha_fallback_frame_state (struct _Unwind_Context *co
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{
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fs->regs.reg[i].how = REG_SAVED_OFFSET;
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fs->regs.reg[i].loc.offset
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- = (long)&sc->sc_regs[i] - new_cfa;
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+ = (long) &sc->sc_regs[i] - new_cfa;
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}
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for (i = 0; i < 31; ++i)
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{
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fs->regs.reg[i+32].how = REG_SAVED_OFFSET;
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fs->regs.reg[i+32].loc.offset
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- = (long)&sc->sc_fpregs[i] - new_cfa;
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+ = (long) &sc->sc_fpregs[i] - new_cfa;
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}
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fs->regs.reg[64].how = REG_SAVED_OFFSET;
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fs->regs.reg[64].loc.offset = (long)&sc->sc_pc - new_cfa;
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fs->retaddr_column = 64;
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+ fs->signal_frame = 1;
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+
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return _URC_NO_REASON;
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+}
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+
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+#define MD_FROB_UPDATE_CONTEXT alpha_frob_update_context
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+
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+/* Fix up for signal handlers that don't have S flag set. */
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+
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+static void
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+alpha_frob_update_context (struct _Unwind_Context *context,
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+ _Unwind_FrameState *fs ATTRIBUTE_UNUSED)
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+{
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+ unsigned int *pc = context->ra;
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+
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+ if (pc[0] == 0x47fe0410 /* mov $30,$16 */
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+ && pc[2] == 0x00000083 /* callsys */
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+ && (pc[1] == 0x201f0067 /* lda $0,NR_sigreturn */
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+ || pc[1] == 0x201f015f)) /* lda $0,NR_rt_sigreturn */
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+ _Unwind_SetSignalFrame (context, 1);
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}
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