llvm-project/compiler-rt/lib/sanitizer_common/sanitizer_symbolizer_mac.cc

63 lines
1.9 KiB
C++

//===-- sanitizer_symbolizer_mac.cc ---------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file is shared between AddressSanitizer and ThreadSanitizer
// run-time libraries.
// Mac-specific implementation of symbolizer parts.
//===----------------------------------------------------------------------===//
#include "sanitizer_platform.h"
#if SANITIZER_MAC
#include "sanitizer_common.h"
#include "sanitizer_internal_defs.h"
#include "sanitizer_placement_new.h"
#include "sanitizer_procmaps.h"
#include "sanitizer_symbolizer.h"
namespace __sanitizer {
uptr GetListOfModules(LoadedModule *modules, uptr max_modules,
string_predicate_t filter) {
MemoryMappingLayout memory_mapping(false);
memory_mapping.Reset();
uptr cur_beg, cur_end, cur_offset;
InternalScopedBuffer<char> module_name(kMaxPathLength);
uptr n_modules = 0;
for (uptr i = 0;
n_modules < max_modules &&
memory_mapping.Next(&cur_beg, &cur_end, &cur_offset,
module_name.data(), module_name.size(), 0);
i++) {
const char *cur_name = module_name.data();
if (cur_name[0] == '\0')
continue;
if (filter && !filter(cur_name))
continue;
LoadedModule *cur_module = 0;
if (n_modules > 0 &&
0 == internal_strcmp(cur_name, modules[n_modules - 1].full_name())) {
cur_module = &modules[n_modules - 1];
} else {
void *mem = &modules[n_modules];
cur_module = new(mem) LoadedModule(cur_name, cur_beg);
n_modules++;
}
cur_module->addAddressRange(cur_beg, cur_end);
}
return n_modules;
}
void SymbolizerPrepareForSandboxing() {
// Do nothing on Mac.
}
} // namespace __sanitizer
#endif // SANITIZER_MAC