51 lines
1.8 KiB
C++
51 lines
1.8 KiB
C++
// Copyright 2023 The Chromium Authors
|
|
// Use of this source code is governed by a BSD-style license that can be
|
|
// found in the LICENSE file.
|
|
|
|
#include "base/base_paths_apple.h"
|
|
|
|
#include <dlfcn.h>
|
|
#include <mach-o/dyld.h>
|
|
#include <stdint.h>
|
|
|
|
#include "base/check_op.h"
|
|
#include "base/files/file_path.h"
|
|
#include "base/files/file_util.h"
|
|
#include "base/threading/thread_restrictions.h"
|
|
|
|
namespace base::apple::internal {
|
|
|
|
base::FilePath GetExecutablePath() {
|
|
// Executable path can have relative references ("..") depending on
|
|
// how the app was launched.
|
|
uint32_t executable_length = 0;
|
|
_NSGetExecutablePath(NULL, &executable_length);
|
|
DCHECK_GT(executable_length, 1u);
|
|
// `executable_length` is the total buffer size required including the NUL
|
|
// terminator, while `basic_string` guarantees that enough space is reserved
|
|
// so that index may be any value between 0 and size() inclusive, though it is
|
|
// UB to set `str[size()]` to anything other than '\0'.
|
|
std::string executable_path(executable_length - 1, '\0');
|
|
int rv = _NSGetExecutablePath(executable_path.data(), &executable_length);
|
|
DCHECK_EQ(rv, 0);
|
|
|
|
// _NSGetExecutablePath may return paths containing ./ or ../ which makes
|
|
// FilePath::DirName() work incorrectly, convert it to absolute path so that
|
|
// paths such as DIR_SRC_TEST_DATA_ROOT can work, since we expect absolute
|
|
// paths to be returned here.
|
|
// TODO(bauerb): http://crbug.com/259796, http://crbug.com/373477
|
|
base::ScopedAllowBlocking allow_blocking;
|
|
return base::MakeAbsoluteFilePath(base::FilePath(executable_path));
|
|
}
|
|
|
|
bool GetModulePathForAddress(base::FilePath* path, const void* address) {
|
|
Dl_info info;
|
|
if (dladdr(address, &info) == 0) {
|
|
return false;
|
|
}
|
|
*path = base::FilePath(info.dli_fname);
|
|
return true;
|
|
}
|
|
|
|
} // namespace base::apple::internal
|