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author | 2018-09-16 12:13:38 +0100 | |
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committer | 2018-09-16 12:13:38 +0100 | |
commit | 8ad4da87eaa58d0de1543fdcac9c2b03f8ef8f09 (patch) | |
tree | 5b6c8e15b10e983069acbff81372c4ab3a8526f2 /4.1.2 | |
parent | 4.2.4: backport 'struct ucontext' to 'ucontext_t' rename in glibc (diff) | |
download | gcc-patches-8ad4da87eaa58d0de1543fdcac9c2b03f8ef8f09.tar.gz gcc-patches-8ad4da87eaa58d0de1543fdcac9c2b03f8ef8f09.tar.bz2 gcc-patches-8ad4da87eaa58d0de1543fdcac9c2b03f8ef8f09.zip |
4.1.2: backport 'struct ucontext' to 'ucontext_t' rename in glibc
Signed-off-by: Sergei Trofimovich <slyfox@gentoo.org>
Diffstat (limited to '4.1.2')
-rw-r--r-- | 4.1.2/gentoo/96_all_ucontext-to-ucontext_t.patch | 113 | ||||
-rw-r--r-- | 4.1.2/gentoo/README.history | 3 |
2 files changed, 116 insertions, 0 deletions
diff --git a/4.1.2/gentoo/96_all_ucontext-to-ucontext_t.patch b/4.1.2/gentoo/96_all_ucontext-to-ucontext_t.patch new file mode 100644 index 0000000..986baca --- /dev/null +++ b/4.1.2/gentoo/96_all_ucontext-to-ucontext_t.patch @@ -0,0 +1,113 @@ +https://bugs.gentoo.org/629502 + +From ecf0d1a107133c715763940c2b197aa814710e1b Mon Sep 17 00:00:00 2001 +From: jsm28 <jsm28@138bc75d-0d04-0410-961f-82ee72b054a4> +Date: Tue, 4 Jul 2017 10:25:10 +0000 +Subject: [PATCH] Use ucontext_t not struct ucontext in linux-unwind.h files. + +Current glibc no longer gives the ucontext_t type the tag struct +ucontext, to conform with POSIX namespace rules. This requires +various linux-unwind.h files in libgcc, that were previously using +struct ucontext, to be fixed to use ucontext_t instead. This is +similar to the removal of the struct siginfo tag from siginfo_t some +years ago. + +This patch changes those files to use ucontext_t instead. As the +standard name that should be unconditionally safe, so this is not +restricted to architectures supported by glibc, or conditioned on the +glibc version. + +Tested compilation together with current glibc with glibc's +build-many-glibcs.py. + + * config/aarch64/linux-unwind.h (aarch64_fallback_frame_state), + config/alpha/linux-unwind.h (alpha_fallback_frame_state), + config/bfin/linux-unwind.h (bfin_fallback_frame_state), + config/i386/linux-unwind.h (x86_64_fallback_frame_state, + x86_fallback_frame_state), config/m68k/linux-unwind.h (struct + uw_ucontext), config/nios2/linux-unwind.h (struct nios2_ucontext), + config/pa/linux-unwind.h (pa32_fallback_frame_state), + config/sh/linux-unwind.h (sh_fallback_frame_state), + config/tilepro/linux-unwind.h (tile_fallback_frame_state), + config/xtensa/linux-unwind.h (xtensa_fallback_frame_state): Use + ucontext_t instead of struct ucontext. + + +git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-5-branch@249958 138bc75d-0d04-0410-961f-82ee72b054a4 +--- + libgcc/config/aarch64/linux-unwind.h | 2 +- + libgcc/config/alpha/linux-unwind.h | 2 +- + libgcc/config/bfin/linux-unwind.h | 2 +- + libgcc/config/i386/linux-unwind.h | 4 ++-- + libgcc/config/m68k/linux-unwind.h | 2 +- + libgcc/config/nios2/linux-unwind.h | 2 +- + libgcc/config/pa/linux-unwind.h | 2 +- + libgcc/config/sh/linux-unwind.h | 2 +- + libgcc/config/tilepro/linux-unwind.h | 2 +- + libgcc/config/xtensa/linux-unwind.h | 2 +- + 11 files changed, 25 insertions(+), 11 deletions(-) + +diff --git a/libgcc/config/alpha/linux-unwind.h b/libgcc/config/alpha/linux-unwind.h +index d65474fec12..9a226b195b5 100644 +--- a/gcc/config/alpha/linux-unwind.h ++++ b/gcc/config/alpha/linux-unwind.h +@@ -51,7 +51,7 @@ alpha_fallback_frame_state (struct _Unwind_Context *context, + { + struct rt_sigframe { + siginfo_t info; +- struct ucontext uc; ++ ucontext_t uc; + } *rt_ = context->cfa; + sc = &rt_->uc.uc_mcontext; + } +diff --git a/libgcc/config/i386/linux-unwind.h b/libgcc/config/i386/linux-unwind.h +index e54bf73b1fd..d35fc4566ce 100644 +--- a/gcc/config/i386/linux-unwind.h ++++ b/gcc/config/i386/linux-unwind.h +@@ -58,7 +58,7 @@ x86_64_fallback_frame_state (struct _Unwind_Context *context, + if (*(unsigned char *)(pc+0) == 0x48 + && *(unsigned long long *)(pc+1) == RT_SIGRETURN_SYSCALL) + { +- struct ucontext *uc_ = context->cfa; ++ ucontext_t *uc_ = context->cfa; + /* The void * cast is necessary to avoid an aliasing warning. + The aliasing warning is correct, but should not be a problem + because it does not alias anything. */ +@@ -138,7 +138,7 @@ x86_fallback_frame_state (struct _Unwind_Context *context, + siginfo_t *pinfo; + void *puc; + siginfo_t info; +- struct ucontext uc; ++ ucontext_t uc; + } *rt_ = context->cfa; + /* The void * cast is necessary to avoid an aliasing warning. + The aliasing warning is correct, but should not be a problem +diff --git a/libgcc/config/pa/linux-unwind.h b/libgcc/config/pa/linux-unwind.h +index 01494685ea4..91575356803 100644 +--- a/gcc/config/pa/linux-unwind.h ++++ b/gcc/config/pa/linux-unwind.h +@@ -80,7 +80,7 @@ pa32_fallback_frame_state (struct _Unwind_Context *context, + struct sigcontext *sc; + struct rt_sigframe { + siginfo_t info; +- struct ucontext uc; ++ ucontext_t uc; + } *frame; + + /* rt_sigreturn trampoline: +diff --git a/libgcc/config/sh/linux-unwind.h b/libgcc/config/sh/linux-unwind.h +index e63091f287c..67033f06b4b 100644 +--- a/gcc/config/sh/linux-unwind.h ++++ b/gcc/config/sh/linux-unwind.h +@@ -180,7 +180,7 @@ sh_fallback_frame_state (struct _Unwind_Context *context, + { + struct rt_sigframe { + siginfo_t info; +- struct ucontext uc; ++ ucontext_t uc; + } *rt_ = context->cfa; + /* The void * cast is necessary to avoid an aliasing warning. + The aliasing warning is correct, but should not be a problem +-- +2.14.1 + diff --git a/4.1.2/gentoo/README.history b/4.1.2/gentoo/README.history index 840c89b..f856cdc 100644 --- a/4.1.2/gentoo/README.history +++ b/4.1.2/gentoo/README.history @@ -1,3 +1,6 @@ +1.7 TODO + + 96_all_ucontext-to-ucontext_t.patch + 1.6 13 Jan 2016 - 00_all_gcc-trampolinewarn.patch + 44_all_gcc-4.1-log2-static-inline.patch |