diff options
author | 2017-10-27 22:36:03 +0000 | |
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committer | 2017-10-27 22:36:03 +0000 | |
commit | 83fe809499bba04ee83a92408ac4f87bba5a86c3 (patch) | |
tree | 4e640491667a30782278f8af737415d5e2d031ab | |
parent | gcc/6.4.0: apply patches to fix build against glibc-2.26, bug #629502 (diff) | |
download | gentoo-83fe809499bba04ee83a92408ac4f87bba5a86c3.tar.gz gentoo-83fe809499bba04ee83a92408ac4f87bba5a86c3.tar.bz2 gentoo-83fe809499bba04ee83a92408ac4f87bba5a86c3.zip |
gcc/4.9.4: apply patches to fix build against glibc-2.26, bug #629502
3 patches here (picked as-is from 5.4.0):
- 95_all_asan-signal_h.patch: add missing '<signal.h>' header
- 96_all_ucontext-to-ucontext_t.patch: change 'struct ucontext' to 'ucontext_t'
- 97_all_no-sigaltstack.patch: remove 'sigaltstack' usage
Bug: https://bugs.gentoo.org/629502
4 files changed, 276 insertions, 1 deletions
diff --git a/src/patchsets/gcc/4.9.4/gentoo/95_all_asan-signal_h.patch b/src/patchsets/gcc/4.9.4/gentoo/95_all_asan-signal_h.patch new file mode 100644 index 0000000000..8711d53dcb --- /dev/null +++ b/src/patchsets/gcc/4.9.4/gentoo/95_all_asan-signal_h.patch @@ -0,0 +1,15 @@ +Fix error: ‘SIGSEGV’ was not declared in this scope + +https://bugs.gentoo.org/629502#c9 +https://patchwork.ozlabs.org/patch/725596/ + +--- a/libsanitizer/asan/asan_linux.cc ++++ b/libsanitizer/asan/asan_linux.cc +@@ -29,6 +29,7 @@ + #include <dlfcn.h> + #include <fcntl.h> + #include <pthread.h> ++#include <signal.h> + #include <stdio.h> + #include <unistd.h> + #include <unwind.h> diff --git a/src/patchsets/gcc/4.9.4/gentoo/96_all_ucontext-to-ucontext_t.patch b/src/patchsets/gcc/4.9.4/gentoo/96_all_ucontext-to-ucontext_t.patch new file mode 100644 index 0000000000..4da66e837f --- /dev/null +++ b/src/patchsets/gcc/4.9.4/gentoo/96_all_ucontext-to-ucontext_t.patch @@ -0,0 +1,191 @@ +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/nios2/linux-unwind.h b/libgcc/config/nios2/linux-unwind.h +index dff1c20076e..1d88afecb12 100644 +--- a/libgcc/config/nios2/linux-unwind.h ++++ b/libgcc/config/nios2/linux-unwind.h +@@ -38,7 +38,7 @@ struct nios2_mcontext { + + struct nios2_ucontext { + unsigned long uc_flags; +- struct ucontext *uc_link; ++ ucontext_t *uc_link; + stack_t uc_stack; + struct nios2_mcontext uc_mcontext; + sigset_t uc_sigmask; /* mask last for extensibility */ +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/src/patchsets/gcc/4.9.4/gentoo/97_all_no-sigaltstack.patch b/src/patchsets/gcc/4.9.4/gentoo/97_all_no-sigaltstack.patch new file mode 100644 index 0000000000..72d9aeaab2 --- /dev/null +++ b/src/patchsets/gcc/4.9.4/gentoo/97_all_no-sigaltstack.patch @@ -0,0 +1,66 @@ +https://bugs.gentoo.org/629502 + +commit 67dce0587409353e1b6e38c4b33ed89d4ccabe5c +Author: jakub <jakub@138bc75d-0d04-0410-961f-82ee72b054a4> +Date: Fri Jul 14 09:10:45 2017 +0000 + + PR sanitizer/81066 + * sanitizer_common/sanitizer_linux.h: Cherry-pick upstream r307969. + * sanitizer_common/sanitizer_linux.cc: Likewise. + * sanitizer_common/sanitizer_stoptheworld_linux_libcdep.cc: Likewise. + * tsan/tsan_platform_linux.cc: Likewise. + + + git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@250200 138bc75d-0d04-0410-961f-82ee72b054a4 + +diff --git a/libsanitizer/sanitizer_common/sanitizer_linux.cc b/libsanitizer/sanitizer_common/sanitizer_linux.cc +index 806fcd5e284..5b6f18602e7 100644 +--- a/libsanitizer/sanitizer_common/sanitizer_linux.cc ++++ b/libsanitizer/sanitizer_common/sanitizer_linux.cc +@@ -605,3 +605,2 @@ uptr internal_prctl(int option, uptr arg2, uptr arg3, uptr arg4, uptr arg5) { + +-uptr internal_sigaltstack(const struct sigaltstack *ss, +- struct sigaltstack *oss) { ++uptr internal_sigaltstack(const void *ss, void *oss) { +diff --git a/libsanitizer/sanitizer_common/sanitizer_linux.h b/libsanitizer/sanitizer_common/sanitizer_linux.h +index 895bfc18195..a42df576405 100644 +--- a/libsanitizer/sanitizer_common/sanitizer_linux.h ++++ b/libsanitizer/sanitizer_common/sanitizer_linux.h +@@ -19,7 +19,6 @@ + #include "sanitizer_platform_limits_posix.h" + + struct link_map; // Opaque type returned by dlopen(). +-struct sigaltstack; + + namespace __sanitizer { + // Dirent structure for getdents(). Note that this structure is different from +@@ -28,2 +27,1 @@ struct linux_dirent; +-uptr internal_sigaltstack(const struct sigaltstack* ss, +- struct sigaltstack* oss); ++uptr internal_sigaltstack(const void* ss, void* oss); +diff --git a/libsanitizer/sanitizer_common/sanitizer_stoptheworld_linux_libcdep.cc b/libsanitizer/sanitizer_common/sanitizer_stoptheworld_linux_libcdep.cc +index 891386dc0ba..234e8c652c6 100644 +--- a/libsanitizer/sanitizer_common/sanitizer_stoptheworld_linux_libcdep.cc ++++ b/libsanitizer/sanitizer_common/sanitizer_stoptheworld_linux_libcdep.cc +@@ -273,7 +273,7 @@ static int TracerThread(void* argument) { + + // Alternate stack for signal handling. + InternalScopedBuffer<char> handler_stack_memory(kHandlerStackSize); +- struct sigaltstack handler_stack; ++ stack_t handler_stack; + internal_memset(&handler_stack, 0, sizeof(handler_stack)); + handler_stack.ss_sp = handler_stack_memory.data(); + handler_stack.ss_size = kHandlerStackSize; +diff --git a/libsanitizer/tsan/tsan_platform_linux.cc b/libsanitizer/tsan/tsan_platform_linux.cc +index 2ed5718a12e..6f972ab0dd6 100644 +--- a/libsanitizer/tsan/tsan_platform_linux.cc ++++ b/libsanitizer/tsan/tsan_platform_linux.cc +@@ -287,7 +287,7 @@ void InitializePlatform() { + int ExtractResolvFDs(void *state, int *fds, int nfd) { + #if SANITIZER_LINUX && !SANITIZER_ANDROID + int cnt = 0; +- __res_state *statp = (__res_state*)state; ++ struct __res_state *statp = (struct __res_state*)state; + for (int i = 0; i < MAXNS && cnt < nfd; i++) { + if (statp->_u._ext.nsaddrs[i] && statp->_u._ext.nssocks[i] != -1) + fds[cnt++] = statp->_u._ext.nssocks[i]; diff --git a/src/patchsets/gcc/4.9.4/gentoo/README.history b/src/patchsets/gcc/4.9.4/gentoo/README.history index a7922cb20b..4a4a1fa016 100644 --- a/src/patchsets/gcc/4.9.4/gentoo/README.history +++ b/src/patchsets/gcc/4.9.4/gentoo/README.history @@ -1,6 +1,9 @@ +1.2 27 Oct 2017 + + 95_all_asan-signal_h.patch + + 96_all_ucontext-to-ucontext_t.patch + + 97_all_no-sigaltstack.patch 1.1 06 Aug 2017 + 94_all_compatibility_fix_with_perl_5.26.patch - 1.0 14 Aug 2016 + 09_all_default-ssp.patch + 10_all_default-fortify-source.patch |