* gnu/packages/patches/gcc-4.9-libsanitizer-fix.patch: New file. * gnu/packages/gcc.scm (gcc-4.9)[source](patches): Add it. * gnu/local.mk (dist_patch_DATA): Add it.
		
			
				
	
	
		
			66 lines
		
	
	
	
		
			3.2 KiB
		
	
	
	
		
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			66 lines
		
	
	
	
		
			3.2 KiB
		
	
	
	
		
			Diff
		
	
	
	
	
	
This is a backport of this patch from 6.5 to 4.9:
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  https://gcc.gnu.org/git/?p=gcc.git;a=patch;h=8937b94d1a643fd9760714642296d034a45254a8
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diff --git a/libsanitizer/sanitizer_common/sanitizer_linux.cc b/libsanitizer/sanitizer_common/sanitizer_linux.cc
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index 69c9c10..8e53673 100644
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--- a/libsanitizer/sanitizer_common/sanitizer_linux.cc
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+++ b/libsanitizer/sanitizer_common/sanitizer_linux.cc
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@@ -599,8 +599,7 @@ uptr internal_prctl(int option, uptr arg2, uptr arg3, uptr arg4, uptr arg5) {
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   return internal_syscall(__NR_prctl, option, arg2, arg3, arg4, arg5);
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 }
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-uptr internal_sigaltstack(const struct sigaltstack *ss,
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-                         struct sigaltstack *oss) {
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+uptr internal_sigaltstack(const void *ss, void *oss) {
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   return internal_syscall(__NR_sigaltstack, (uptr)ss, (uptr)oss);
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 }
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diff --git a/libsanitizer/sanitizer_common/sanitizer_linux.h b/libsanitizer/sanitizer_common/sanitizer_linux.h
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index 6422df1..8a8e526 100644
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--- a/libsanitizer/sanitizer_common/sanitizer_linux.h
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+++ b/libsanitizer/sanitizer_common/sanitizer_linux.h
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@@ -18,7 +18,6 @@
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 #include "sanitizer_platform_limits_posix.h"
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 struct link_map;  // Opaque type returned by dlopen().
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-struct sigaltstack;
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 namespace __sanitizer {
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 // Dirent structure for getdents(). Note that this structure is different from
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@@ -28,8 +27,7 @@ struct linux_dirent;
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 // Syscall wrappers.
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 uptr internal_getdents(fd_t fd, struct linux_dirent *dirp, unsigned int count);
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 uptr internal_prctl(int option, uptr arg2, uptr arg3, uptr arg4, uptr arg5);
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-uptr internal_sigaltstack(const struct sigaltstack* ss,
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-                          struct sigaltstack* oss);
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+uptr internal_sigaltstack(const void *ss, void *oss);
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 uptr internal_sigaction(int signum, const __sanitizer_kernel_sigaction_t *act,
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     __sanitizer_kernel_sigaction_t *oldact);
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 uptr internal_sigprocmask(int how, __sanitizer_kernel_sigset_t *set,
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diff --git a/libsanitizer/sanitizer_common/sanitizer_stoptheworld_linux_libcdep.cc b/libsanitizer/sanitizer_common/sanitizer_stoptheworld_linux_libcdep.cc
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index 6ee63ec..50c21a3 100644
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--- a/libsanitizer/sanitizer_common/sanitizer_stoptheworld_linux_libcdep.cc
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+++ b/libsanitizer/sanitizer_common/sanitizer_stoptheworld_linux_libcdep.cc
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@@ -238,7 +238,7 @@ static int TracerThread(void* argument) {
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   // Alternate stack for signal handling.
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   InternalScopedBuffer<char> handler_stack_memory(kHandlerStackSize);
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-  struct sigaltstack handler_stack;
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+  stack_t handler_stack;
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   internal_memset(&handler_stack, 0, sizeof(handler_stack));
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   handler_stack.ss_sp = handler_stack_memory.data();
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   handler_stack.ss_size = kHandlerStackSize;
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diff --git a/libsanitizer/tsan/tsan_platform_linux.cc b/libsanitizer/tsan/tsan_platform_linux.cc
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index fe69430..49f5270 100644
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--- a/libsanitizer/tsan/tsan_platform_linux.cc
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+++ b/libsanitizer/tsan/tsan_platform_linux.cc
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@@ -351,7 +351,7 @@ bool IsGlobalVar(uptr addr) {
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 // closes within glibc. The code is a pure hack.
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 int ExtractResolvFDs(void *state, int *fds, int nfd) {
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   int cnt = 0;
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-  __res_state *statp = (__res_state*)state;
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+  struct __res_state *statp = (struct __res_state*)state;
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   for (int i = 0; i < MAXNS && cnt < nfd; i++) {
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     if (statp->_u._ext.nsaddrs[i] && statp->_u._ext.nssocks[i] != -1)
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       fds[cnt++] = statp->_u._ext.nssocks[i];
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