diff options
Diffstat (limited to 'gnu/packages/patches/clang-runtime-asan-build-fixes.patch')
| -rw-r--r-- | gnu/packages/patches/clang-runtime-asan-build-fixes.patch | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/gnu/packages/patches/clang-runtime-asan-build-fixes.patch b/gnu/packages/patches/clang-runtime-asan-build-fixes.patch new file mode 100644 index 0000000000..e9db57d7cb --- /dev/null +++ b/gnu/packages/patches/clang-runtime-asan-build-fixes.patch @@ -0,0 +1,92 @@ +This patch works around build issues in libsanitizer. Note that we carry the +same patches for GCC since it includes the same libsanitizer. + +Work around this build error on glibc 2.26: + + /tmp/guix-build-clang-runtime-3.5.2.drv-0/compiler-rt-3.5.2.src/lib/asan/asan_linux.cc: In function 'bool __asan::AsanInterceptsSignal(int)': + /tmp/guix-build-clang-runtime-3.5.2.drv-0/compiler-rt-3.5.2.src/lib/asan/asan_linux.cc:224:20: error: 'SIGSEGV' was not declared in this scope + +diff --git a/libsanitizer/asan/asan_linux.cc b/libsanitizer/asan/asan_linux.cc +index c504168..59087b9 100644 +--- a/lib/asan/asan_linux.cc ++++ b/lib/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> + +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +Now, work around this other error: + + /tmp/guix-build-clang-runtime-3.5.2.drv-0/compiler-rt-3.5.2.src/lib/sanitizer_common/sanitizer_stoptheworld_linux_libcdep.cc: In function 'int __sanitizer::TracerThread(void*)': + /tmp/guix-build-clang-runtime-3.5.2.drv-0/compiler-rt-3.5.2.src/lib/sanitizer_common/sanitizer_stoptheworld_linux_libcdep.cc:239:22: error: aggregate 'sigaltstack handler_stack' has incomplete type and cannot be defined + + +diff --git a/lib/sanitizer_common/sanitizer_linux.cc b/lib/sanitizer_common/sanitizer_linux.cc +index 2cefa20..223d9c6 100644 +--- a/lib/sanitizer_common/sanitizer_linux.cc ++++ b/lib/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/lib/sanitizer_common/sanitizer_linux.h b/lib/sanitizer_common/sanitizer_linux.h +index 4497702..1594058 100644 +--- a/lib/sanitizer_common/sanitizer_linux.h ++++ b/lib/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/lib/sanitizer_common/sanitizer_stoptheworld_linux_libcdep.cc b/lib/sanitizer_common/sanitizer_stoptheworld_linux_libcdep.cc +index c919e4f..014162af 100644 +--- a/lib/sanitizer_common/sanitizer_stoptheworld_linux_libcdep.cc ++++ b/lib/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/lib/tsan/tsan_platform_linux.cc b/lib/tsan/tsan_platform_linux.cc +index 09cec5f..908f4fe 100644 +--- a/lib/tsan/rtl/tsan_platform_linux.cc ++++ b/lib/tsan/rtl/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]; +-- +2.9.3 |