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[compiler-rt][hwasan] Do not call InitLoadedGlobals in __hwasan_init

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Fuchsia's libc provides a new hook (__sanitizer_module_loaded) which calls
hwasan_library_loaded in the startup path which will register globals in
loaded modules.

Differential Revision: https://reviews.llvm.org/D137676
This commit is contained in:
Leonard Chan 2022-11-08 23:06:19 +00:00
parent e044796132
commit 40dffefa0e
1 changed files with 7 additions and 1 deletions
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8
compiler-rt/lib/hwasan/hwasan.cpp
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@ -340,7 +340,13 @@ __attribute__((constructor(0))) void __hwasan_init() {
DisableCoreDumperIfNecessary();
InitInstrumentation();
InitLoadedGlobals();
if constexpr (!SANITIZER_FUCHSIA) {
// Fuchsia's libc provides a hook (__sanitizer_module_loaded) that runs on
// the startup path which calls into __hwasan_library_loaded on all
// initially loaded modules, so explicitly registering the globals here
// isn't needed.
InitLoadedGlobals();
}
// Needs to be called here because flags()->random_tags might not have been
// initialized when InitInstrumentation() was called.