* 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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| 
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|   https://gcc.gnu.org/git/?p=gcc.git;a=patch;h=8937b94d1a643fd9760714642296d034a45254a8
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| 
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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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|  
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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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|  
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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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|  
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|  struct link_map;  // Opaque type returned by dlopen().
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| -struct sigaltstack;
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|  
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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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|  
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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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