On Tue, Mar 13, 2018 at 10:09 AM, Juro Bystricky
<juro.bystri...@intel.com> wrote:
> Backport a patch to fix errors such as:
> error: aggregate 'sigaltstack handler_stack' has incomplete type and cannot 
> be defined
>

this is ok

> Signed-off-by: Juro Bystricky <juro.bystri...@intel.com>
> ---
>  meta/recipes-devtools/gcc/gcc-6.4.inc              |  1 +
>  .../gcc/gcc-6.4/backport/0013-gcc-sanitizers.patch | 90 
> ++++++++++++++++++++++
>  2 files changed, 91 insertions(+)
>  create mode 100644 
> meta/recipes-devtools/gcc/gcc-6.4/backport/0013-gcc-sanitizers.patch
>
> diff --git a/meta/recipes-devtools/gcc/gcc-6.4.inc 
> b/meta/recipes-devtools/gcc/gcc-6.4.inc
> index a2430a9..42eabef 100644
> --- a/meta/recipes-devtools/gcc/gcc-6.4.inc
> +++ b/meta/recipes-devtools/gcc/gcc-6.4.inc
> @@ -93,6 +93,7 @@ BACKPORTS = "\
>             
> file://0010-i386-Pass-INVALID_REGNUM-as-invalid-register-number.patch \
>             
> file://0011-i386-Update-mfunction-return-for-return-with-pop.patch \
>             file://0012-i386-Add-TARGET_INDIRECT_BRANCH_REGISTER.patch \
> +           file://0013-gcc-sanitizers.patch \
>  "
>
>  SRC_URI[md5sum] = "11ba51a0cfb8471927f387c8895fe232"
> diff --git 
> a/meta/recipes-devtools/gcc/gcc-6.4/backport/0013-gcc-sanitizers.patch 
> b/meta/recipes-devtools/gcc/gcc-6.4/backport/0013-gcc-sanitizers.patch
> new file mode 100644
> index 0000000..47bcd8e
> --- /dev/null
> +++ b/meta/recipes-devtools/gcc/gcc-6.4/backport/0013-gcc-sanitizers.patch
> @@ -0,0 +1,90 @@
> +From 0fa7102d76376b27ae4bbc10848600aac6ed71d2 Mon Sep 17 00:00:00 2001
> +From: jakub <jakub@138bc75d-0d04-0410-961f-82ee72b054a4>
> +Date: Mon, 17 Jul 2017 19:41:08 +0000
> +Subject: [PATCH]       Backported from mainline        2017-07-14  Jakub
> + Jelinek  <ja...@redhat.com>
> +
> +       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.
> +
> +[Romain cherry-pick on gcc-6-branch from gcc-7-branch]
> +Signed-off-by: Romain Naour <romain.na...@gmail.com>
> +git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-7-branch@250287 
> 138bc75d-0d04-0410-961f-82ee72b054a4
> +
> +Upstream-Status: Backport
> +
> +Signed-off-by: Juro Bystricky <juro.bystri...@intel.com>
> +---
> + libsanitizer/sanitizer_common/sanitizer_linux.cc                      | 3 
> +--
> + libsanitizer/sanitizer_common/sanitizer_linux.h                       | 4 
> +---
> + libsanitizer/sanitizer_common/sanitizer_stoptheworld_linux_libcdep.cc | 2 +-
> + libsanitizer/tsan/tsan_platform_linux.cc                              | 2 +-
> + 4 files changed, 4 insertions(+), 7 deletions(-)
> +
> +diff --git a/libsanitizer/sanitizer_common/sanitizer_linux.cc 
> b/libsanitizer/sanitizer_common/sanitizer_linux.cc
> +index 2cefa20..223d9c6 100644
> +--- a/libsanitizer/sanitizer_common/sanitizer_linux.cc
> ++++ b/libsanitizer/sanitizer_common/sanitizer_linux.cc
> +@@ -546,8 +546,7 @@ uptr internal_prctl(int option, uptr arg2, uptr arg3, 
> uptr arg4, uptr arg5) {
> + }
> + #endif
> +
> +-uptr internal_sigaltstack(const struct sigaltstack *ss,
> +-                         struct sigaltstack *oss) {
> ++uptr internal_sigaltstack(const void *ss, void *oss) {
> +   return internal_syscall(SYSCALL(sigaltstack), (uptr)ss, (uptr)oss);
> + }
> +
> +diff --git a/libsanitizer/sanitizer_common/sanitizer_linux.h 
> b/libsanitizer/sanitizer_common/sanitizer_linux.h
> +index 4497702..1594058 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
> +@@ -28,8 +27,7 @@ struct linux_dirent;
> +
> + // Syscall wrappers.
> + uptr internal_getdents(fd_t fd, struct linux_dirent *dirp, unsigned int 
> count);
> +-uptr internal_sigaltstack(const struct sigaltstack* ss,
> +-                          struct sigaltstack* oss);
> ++uptr internal_sigaltstack(const void* ss, void* oss);
> + uptr internal_sigprocmask(int how, __sanitizer_sigset_t *set,
> +     __sanitizer_sigset_t *oldset);
> + void internal_sigfillset(__sanitizer_sigset_t *set);
> +diff --git 
> a/libsanitizer/sanitizer_common/sanitizer_stoptheworld_linux_libcdep.cc 
> b/libsanitizer/sanitizer_common/sanitizer_stoptheworld_linux_libcdep.cc
> +index c919e4f..014162af 100644
> +--- a/libsanitizer/sanitizer_common/sanitizer_stoptheworld_linux_libcdep.cc
> ++++ b/libsanitizer/sanitizer_common/sanitizer_stoptheworld_linux_libcdep.cc
> +@@ -267,7 +267,7 @@ 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 09cec5f..908f4fe 100644
> +--- a/libsanitizer/tsan/tsan_platform_linux.cc
> ++++ b/libsanitizer/tsan/tsan_platform_linux.cc
> +@@ -291,7 +291,7 @@ bool IsGlobalVar(uptr addr) {
> + int ExtractResolvFDs(void *state, int *fds, int nfd) {
> + #if SANITIZER_LINUX
> +   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];
> +--
> +2.9.4
> --
> 2.7.4
>
-- 
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