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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 d1f626c8f3c2c2c3aca3a67d4b66641d2d911dfa 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 10:23:57 +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-6-branch@249957 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 4512efbdcc8..06de45aa7ab 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 bdbba4a3c5d..e84812e33fd 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 77b7c23c708..8bf5e82c55e 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 540a0a25aca..29efbe31d61 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 75b7cf723a0..f964e24c4ee 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 23041420525..30f25ea379e 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 9a2657f295d..e47493dde91 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 e389cacaab8..0bf43ba21c2 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 796e97620b8..75f8890ce07 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 9872492acc2..586a9d49e9c 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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@@ -67,7 +67,7 @@ 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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