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4d012dd566
These were added by GCC in July but these branches are from May. I suspect that they will be added to at least the 6.x and 7.x branches but 5.x is EOL from Linaro it seems (as the base GCC version hasn't been updated in a year and a half). For right now, these are needed. This was testing on an arm64 build but the patches have fixes for all supported architectures. Signed-off-by: Nathan Chancellor <natechancellor@gmail.com>
189 lines
7.2 KiB
Diff
189 lines
7.2 KiB
Diff
From 3c784ee4ffc784037d6d0f022326b95b848fbfc3 Mon Sep 17 00:00:00 2001
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From: jsm28 <jsm28@138bc75d-0d04-0410-961f-82ee72b054a4>
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Date: Tue, 4 Jul 2017 10:25:10 +0000
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Subject: [PATCH] Use ucontext_t not struct ucontext in linux-unwind.h files.
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Current glibc no longer gives the ucontext_t type the tag struct
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ucontext, to conform with POSIX namespace rules. This requires
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various linux-unwind.h files in libgcc, that were previously using
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struct ucontext, to be fixed to use ucontext_t instead. This is
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similar to the removal of the struct siginfo tag from siginfo_t some
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years ago.
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This patch changes those files to use ucontext_t instead. As the
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standard name that should be unconditionally safe, so this is not
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restricted to architectures supported by glibc, or conditioned on the
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glibc version.
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Tested compilation together with current glibc with glibc's
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build-many-glibcs.py.
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* config/aarch64/linux-unwind.h (aarch64_fallback_frame_state),
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config/alpha/linux-unwind.h (alpha_fallback_frame_state),
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config/bfin/linux-unwind.h (bfin_fallback_frame_state),
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config/i386/linux-unwind.h (x86_64_fallback_frame_state,
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x86_fallback_frame_state), config/m68k/linux-unwind.h (struct
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uw_ucontext), config/nios2/linux-unwind.h (struct nios2_ucontext),
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config/pa/linux-unwind.h (pa32_fallback_frame_state),
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config/sh/linux-unwind.h (sh_fallback_frame_state),
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config/tilepro/linux-unwind.h (tile_fallback_frame_state),
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config/xtensa/linux-unwind.h (xtensa_fallback_frame_state): Use
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ucontext_t instead of struct ucontext.
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git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-5-branch@249958 138bc75d-0d04-0410-961f-82ee72b054a4
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---
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libgcc/config/aarch64/linux-unwind.h | 2 +-
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libgcc/config/alpha/linux-unwind.h | 2 +-
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libgcc/config/bfin/linux-unwind.h | 2 +-
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libgcc/config/i386/linux-unwind.h | 4 ++--
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libgcc/config/m68k/linux-unwind.h | 2 +-
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libgcc/config/nios2/linux-unwind.h | 2 +-
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libgcc/config/pa/linux-unwind.h | 2 +-
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libgcc/config/sh/linux-unwind.h | 2 +-
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libgcc/config/tilepro/linux-unwind.h | 2 +-
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libgcc/config/xtensa/linux-unwind.h | 2 +-
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10 files changed, 11 insertions(+), 11 deletions(-)
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diff --git a/libgcc/config/aarch64/linux-unwind.h b/libgcc/config/aarch64/linux-unwind.h
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index 86d17b1c798..909f68f7311 100644
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--- a/libgcc/config/aarch64/linux-unwind.h
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+++ b/libgcc/config/aarch64/linux-unwind.h
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@@ -52,7 +52,7 @@ aarch64_fallback_frame_state (struct _Unwind_Context *context,
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struct rt_sigframe
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{
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siginfo_t info;
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- struct ucontext uc;
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+ ucontext_t uc;
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};
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struct rt_sigframe *rt_;
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diff --git a/libgcc/config/alpha/linux-unwind.h b/libgcc/config/alpha/linux-unwind.h
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index d65474fec12..9a226b195b5 100644
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--- a/libgcc/config/alpha/linux-unwind.h
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+++ b/libgcc/config/alpha/linux-unwind.h
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@@ -51,7 +51,7 @@ alpha_fallback_frame_state (struct _Unwind_Context *context,
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{
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struct rt_sigframe {
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siginfo_t info;
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- struct ucontext uc;
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+ ucontext_t 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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diff --git a/libgcc/config/bfin/linux-unwind.h b/libgcc/config/bfin/linux-unwind.h
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index 0c270e435c7..7fa95d2dc96 100644
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--- a/libgcc/config/bfin/linux-unwind.h
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+++ b/libgcc/config/bfin/linux-unwind.h
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@@ -52,7 +52,7 @@ bfin_fallback_frame_state (struct _Unwind_Context *context,
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void *puc;
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char retcode[8];
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siginfo_t info;
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- struct ucontext uc;
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+ ucontext_t uc;
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} *rt_ = context->cfa;
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/* The void * cast is necessary to avoid an aliasing warning.
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diff --git a/libgcc/config/i386/linux-unwind.h b/libgcc/config/i386/linux-unwind.h
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index e54bf73b1fd..d35fc4566ce 100644
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--- a/libgcc/config/i386/linux-unwind.h
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+++ b/libgcc/config/i386/linux-unwind.h
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@@ -58,7 +58,7 @@ x86_64_fallback_frame_state (struct _Unwind_Context *context,
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if (*(unsigned char *)(pc+0) == 0x48
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&& *(unsigned long long *)(pc+1) == RT_SIGRETURN_SYSCALL)
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{
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- struct ucontext *uc_ = context->cfa;
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+ ucontext_t *uc_ = context->cfa;
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/* The void * cast is necessary to avoid an aliasing warning.
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The aliasing warning is correct, but should not be a problem
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because it does not alias anything. */
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@@ -138,7 +138,7 @@ x86_fallback_frame_state (struct _Unwind_Context *context,
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siginfo_t *pinfo;
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void *puc;
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siginfo_t info;
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- struct ucontext uc;
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+ ucontext_t uc;
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} *rt_ = context->cfa;
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/* The void * cast is necessary to avoid an aliasing warning.
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The aliasing warning is correct, but should not be a problem
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diff --git a/libgcc/config/m68k/linux-unwind.h b/libgcc/config/m68k/linux-unwind.h
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index fb79a4d63cd..b2f5ea4cd7c 100644
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--- a/libgcc/config/m68k/linux-unwind.h
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+++ b/libgcc/config/m68k/linux-unwind.h
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@@ -33,7 +33,7 @@ see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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/* <sys/ucontext.h> is unfortunately broken right now. */
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struct uw_ucontext {
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unsigned long uc_flags;
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- struct ucontext *uc_link;
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+ ucontext_t *uc_link;
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stack_t uc_stack;
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mcontext_t uc_mcontext;
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unsigned long uc_filler[80];
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diff --git a/libgcc/config/nios2/linux-unwind.h b/libgcc/config/nios2/linux-unwind.h
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index dff1c20076e..1d88afecb12 100644
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--- a/libgcc/config/nios2/linux-unwind.h
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+++ b/libgcc/config/nios2/linux-unwind.h
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@@ -38,7 +38,7 @@ struct nios2_mcontext {
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struct nios2_ucontext {
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unsigned long uc_flags;
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- struct ucontext *uc_link;
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+ ucontext_t *uc_link;
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stack_t uc_stack;
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struct nios2_mcontext uc_mcontext;
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sigset_t uc_sigmask; /* mask last for extensibility */
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diff --git a/libgcc/config/pa/linux-unwind.h b/libgcc/config/pa/linux-unwind.h
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index 01494685ea4..91575356803 100644
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--- a/libgcc/config/pa/linux-unwind.h
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+++ b/libgcc/config/pa/linux-unwind.h
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@@ -80,7 +80,7 @@ pa32_fallback_frame_state (struct _Unwind_Context *context,
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struct sigcontext *sc;
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struct rt_sigframe {
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siginfo_t info;
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- struct ucontext uc;
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+ ucontext_t uc;
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} *frame;
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/* rt_sigreturn trampoline:
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diff --git a/libgcc/config/sh/linux-unwind.h b/libgcc/config/sh/linux-unwind.h
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index e63091f287c..67033f06b4b 100644
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--- a/libgcc/config/sh/linux-unwind.h
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+++ b/libgcc/config/sh/linux-unwind.h
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@@ -180,7 +180,7 @@ sh_fallback_frame_state (struct _Unwind_Context *context,
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{
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struct rt_sigframe {
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siginfo_t info;
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- struct ucontext uc;
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+ ucontext_t uc;
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} *rt_ = context->cfa;
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/* The void * cast is necessary to avoid an aliasing warning.
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The aliasing warning is correct, but should not be a problem
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diff --git a/libgcc/config/tilepro/linux-unwind.h b/libgcc/config/tilepro/linux-unwind.h
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index fd83ba7c275..e3c9ef0840d 100644
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--- a/libgcc/config/tilepro/linux-unwind.h
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+++ b/libgcc/config/tilepro/linux-unwind.h
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@@ -61,7 +61,7 @@ tile_fallback_frame_state (struct _Unwind_Context *context,
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struct rt_sigframe {
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unsigned char save_area[C_ABI_SAVE_AREA_SIZE];
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siginfo_t info;
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- struct ucontext uc;
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+ ucontext_t uc;
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} *rt_;
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/* Return if this is not a signal handler. */
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diff --git a/libgcc/config/xtensa/linux-unwind.h b/libgcc/config/xtensa/linux-unwind.h
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index 9daf738ff57..ff6b66373a9 100644
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--- a/libgcc/config/xtensa/linux-unwind.h
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+++ b/libgcc/config/xtensa/linux-unwind.h
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@@ -64,7 +64,7 @@ xtensa_fallback_frame_state (struct _Unwind_Context *context,
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struct rt_sigframe {
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siginfo_t info;
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- struct ucontext uc;
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+ ucontext_t uc;
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} *rt_;
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/* movi a2, __NR_rt_sigreturn; syscall */
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--
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2.14.1
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