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[sanitizer] Define as weak, functions that are declared as weak. 

Differential Revision: https://reviews.llvm.org/D29228

llvm-svn: 293681
This commit is contained in:
Marcos Pividori 2017-01-31 20:23:14 +00:00
parent c6c38b7537
commit e9e0769764
4 changed files with 6 additions and 5 deletions
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2
compiler-rt/lib/asan/asan_win_dll_thunk.cc
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@ -350,11 +350,9 @@ INTERFACE_FUNCTION(__sanitizer_symbolize_pc)
INTERFACE_FUNCTION(__sanitizer_symbolize_global)
INTERFACE_FUNCTION(__sanitizer_ptr_cmp)
INTERFACE_FUNCTION(__sanitizer_ptr_sub)
INTERFACE_FUNCTION(__sanitizer_report_error_summary)
INTERFACE_FUNCTION(__sanitizer_reset_coverage)
INTERFACE_FUNCTION(__sanitizer_get_number_of_counters)
INTERFACE_FUNCTION(__sanitizer_update_counter_bitset_and_clear_counters)
INTERFACE_FUNCTION(__sanitizer_sandbox_on_notify)
INTERFACE_FUNCTION(__sanitizer_set_death_callback)
INTERFACE_FUNCTION(__sanitizer_set_report_path)
INTERFACE_FUNCTION(__sanitizer_set_report_fd)

3
compiler-rt/lib/sanitizer_common/sanitizer_common.cc
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@ -489,7 +489,8 @@ void __sanitizer_set_report_fd(void *fd) {
report_file.fd_pid = internal_getpid();
}
void __sanitizer_report_error_summary(const char *error_summary) {
SANITIZER_INTERFACE_WEAK_DEF(void, __sanitizer_report_error_summary,
const char *error_summary) {
Printf("%s\n", error_summary);
}

4
compiler-rt/lib/sanitizer_common/sanitizer_common_libcdep.cc
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@ -162,8 +162,8 @@ void MaybeStartBackgroudThread() {
} // namespace __sanitizer
void NOINLINE
__sanitizer_sandbox_on_notify(__sanitizer_sandbox_arguments *args) {
SANITIZER_INTERFACE_WEAK_DEF(void, __sanitizer_sandbox_on_notify,
__sanitizer_sandbox_arguments *args) {
__sanitizer::PrepareForSandboxing(args);
if (__sanitizer::sandboxing_callback)
__sanitizer::sandboxing_callback();

2
compiler-rt/lib/sanitizer_common/weak_symbols.txt
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@ -1,5 +1,7 @@
___sanitizer_free_hook
___sanitizer_malloc_hook
___sanitizer_report_error_summary
___sanitizer_sandbox_on_notify
___sanitizer_symbolize_code
___sanitizer_symbolize_data
___sanitizer_symbolize_demangle