commit: f64ee67a1767f75e7416942bdc6ceeeae031d56f Author: Sergei Trofimovich <slyfox <AT> gentoo <DOT> org> AuthorDate: Sat Sep 15 22:48:30 2018 +0000 Commit: Sergei Trofimovich <slyfox <AT> gentoo <DOT> org> CommitDate: Sat Sep 15 22:48:30 2018 +0000 URL: https://gitweb.gentoo.org/proj/gcc-patches.git/commit/?id=f64ee67a
4.8.5: backport 'struct ucontext' to 'ucontext_t' rename in glibc Signed-off-by: Sergei Trofimovich <slyfox <AT> gentoo.org> 4.8.5/gentoo/95_all_ucontext-to-ucontext_t.patch | 178 +++++++++++++++++++++++ 4.8.5/gentoo/README.history | 1 + 2 files changed, 179 insertions(+) diff --git a/4.8.5/gentoo/95_all_ucontext-to-ucontext_t.patch b/4.8.5/gentoo/95_all_ucontext-to-ucontext_t.patch new file mode 100644 index 0000000..bdcf8b3 --- /dev/null +++ b/4.8.5/gentoo/95_all_ucontext-to-ucontext_t.patch @@ -0,0 +1,178 @@ +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/aarch64/linux-unwind.h b/libgcc/config/aarch64/linux-unwind.h +index 86d17b1c798..909f68f7311 100644 +--- a/libgcc/config/aarch64/linux-unwind.h ++++ b/libgcc/config/aarch64/linux-unwind.h +@@ -52,7 +52,7 @@ aarch64_fallback_frame_state (struct _Unwind_Context *context, + struct rt_sigframe + { + siginfo_t info; +- struct ucontext uc; ++ ucontext_t uc; + }; + + struct rt_sigframe *rt_; +diff --git a/libgcc/config/alpha/linux-unwind.h b/libgcc/config/alpha/linux-unwind.h +index d65474fec12..9a226b195b5 100644 +--- a/libgcc/config/alpha/linux-unwind.h ++++ b/libgcc/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/bfin/linux-unwind.h b/libgcc/config/bfin/linux-unwind.h +index 0c270e435c7..7fa95d2dc96 100644 +--- a/libgcc/config/bfin/linux-unwind.h ++++ b/libgcc/config/bfin/linux-unwind.h +@@ -52,7 +52,7 @@ bfin_fallback_frame_state (struct _Unwind_Context *context, + void *puc; + char retcode[8]; + siginfo_t info; +- struct ucontext uc; ++ ucontext_t uc; + } *rt_ = context->cfa; + + /* The void * cast is necessary to avoid an aliasing warning. +diff --git a/libgcc/config/i386/linux-unwind.h b/libgcc/config/i386/linux-unwind.h +index e54bf73b1fd..d35fc4566ce 100644 +--- a/libgcc/config/i386/linux-unwind.h ++++ b/libgcc/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/m68k/linux-unwind.h b/libgcc/config/m68k/linux-unwind.h +index fb79a4d63cd..b2f5ea4cd7c 100644 +--- a/libgcc/config/m68k/linux-unwind.h ++++ b/libgcc/config/m68k/linux-unwind.h +@@ -33,7 +33,7 @@ see the files COPYING3 and COPYING.RUNTIME respectively. If not, see + /* <sys/ucontext.h> is unfortunately broken right now. */ + struct uw_ucontext { + unsigned long uc_flags; +- struct ucontext *uc_link; ++ ucontext_t *uc_link; + stack_t uc_stack; + mcontext_t uc_mcontext; + unsigned long uc_filler[80]; +diff --git a/libgcc/config/pa/linux-unwind.h b/libgcc/config/pa/linux-unwind.h +index 01494685ea4..91575356803 100644 +--- a/libgcc/config/pa/linux-unwind.h ++++ b/libgcc/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/libgcc/config/sh/linux-unwind.h ++++ b/libgcc/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 +diff --git a/libgcc/config/tilepro/linux-unwind.h b/libgcc/config/tilepro/linux-unwind.h +index fd83ba7c275..e3c9ef0840d 100644 +--- a/libgcc/config/tilepro/linux-unwind.h ++++ b/libgcc/config/tilepro/linux-unwind.h +@@ -61,7 +61,7 @@ tile_fallback_frame_state (struct _Unwind_Context *context, + struct rt_sigframe { + unsigned char save_area[C_ABI_SAVE_AREA_SIZE]; + siginfo_t info; +- struct ucontext uc; ++ ucontext_t uc; + } *rt_; + + /* Return if this is not a signal handler. */ +diff --git a/libgcc/config/xtensa/linux-unwind.h b/libgcc/config/xtensa/linux-unwind.h +index 9a67b5d2b46..98b7ea60e81 100644 +--- a/libgcc/config/xtensa/linux-unwind.h ++++ b/libgcc/config/xtensa/linux-unwind.h +@@ -67,7 +67,7 @@ xtensa_fallback_frame_state (struct _Unwind_Context *context, + + struct rt_sigframe { + siginfo_t info; +- struct ucontext uc; ++ ucontext_t uc; + } *rt_; + + /* movi a2, __NR_rt_sigreturn; syscall */ +-- +2.14.1 + diff --git a/4.8.5/gentoo/README.history b/4.8.5/gentoo/README.history index dea5d99..f4762c4 100644 --- a/4.8.5/gentoo/README.history +++ b/4.8.5/gentoo/README.history @@ -3,6 +3,7 @@ + 34_all_libjava-classpath-locale-sort.patch U 74_all_gcc48_cloog-dl.patch + 94_all_gcc-gperf-gnu-inline.patch + + 95_all_ucontext-to-ucontext_t.patch 1.3 29 Aug 2015 U 74_all_gcc48_cloog-dl.patch
