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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
commit | 6bf0a5cb5034a7e684dcc3500e841785237ce2dd (patch) | |
tree | a68f146d7fa01f0134297619fbe7e33db084e0aa /build/build-clang/find_symbolizer_linux_clang_10.patch | |
parent | Initial commit. (diff) | |
download | thunderbird-6bf0a5cb5034a7e684dcc3500e841785237ce2dd.tar.xz thunderbird-6bf0a5cb5034a7e684dcc3500e841785237ce2dd.zip |
Adding upstream version 1:115.7.0.upstream/1%115.7.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | build/build-clang/find_symbolizer_linux_clang_10.patch | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/build/build-clang/find_symbolizer_linux_clang_10.patch b/build/build-clang/find_symbolizer_linux_clang_10.patch new file mode 100644 index 0000000000..1ddb02024d --- /dev/null +++ b/build/build-clang/find_symbolizer_linux_clang_10.patch @@ -0,0 +1,58 @@ +We currently need this patch because ASan only searches PATH to find the +llvm-symbolizer binary to symbolize ASan traces. On testing machines, this +can be installed in PATH easily. However, for e.g. the ASan Nightly Project, +where we ship an ASan build, including llvm-symbolizer, to the user, we +cannot expect llvm-symbolizer to be on PATH. Instead, we should try to look +it up next to the binary. This patch implements the functionality for Linux +only until there is similar functionality provided upstream. + +diff --git a/compiler-rt/lib/sanitizer_common/sanitizer_file.cpp b/compiler-rt/lib/sanitizer_common/sanitizer_file.cpp +index 79930d79425..cfb4f90c0d5 100644 +--- a/compiler-rt/lib/sanitizer_common/sanitizer_file.cpp ++++ b/compiler-rt/lib/sanitizer_common/sanitizer_file.cpp +@@ -20,6 +20,10 @@ + #include "sanitizer_common.h" + #include "sanitizer_file.h" + ++#if SANITIZER_LINUX ++#include "sanitizer_posix.h" ++#endif ++ + namespace __sanitizer { + + void CatastrophicErrorWrite(const char *buffer, uptr length) { +@@ -194,6 +198,34 @@ char *FindPathToBinary(const char *name) { + if (*end == '\0') break; + beg = end + 1; + } ++ ++#if SANITIZER_LINUX ++ // If we cannot find the requested binary in PATH, we should try to locate ++ // it next to the binary, in case it is shipped with the build itself ++ // (e.g. llvm-symbolizer shipped with sanitizer build to symbolize on client. ++ if (internal_readlink("/proc/self/exe", buffer.data(), kMaxPathLength) < 0) ++ return nullptr; ++ ++ uptr buf_len = internal_strlen(buffer.data()); ++ ++ /* Avoid using dirname() here */ ++ while (buf_len > 0) { ++ if (buffer[buf_len - 1] == '/') ++ break; ++ buf_len--; ++ } ++ ++ if (!buf_len) ++ return nullptr; ++ ++ if (buf_len + name_len + 1 <= kMaxPathLength) { ++ internal_memcpy(&buffer[buf_len], name, name_len); ++ buffer[buf_len + name_len] = '\0'; ++ if (FileExists(buffer.data())) ++ return internal_strdup(buffer.data()); ++ } ++#endif ++ + return nullptr; + } + |