mirror of
https://github.com/dart-lang/sdk
synced 2024-09-05 00:13:50 +00:00
![Ryan Macnak](/assets/img/avatar_default.png)
Bug: FL-238 Change-Id: Ie5e2786aeb47063ea1c534b2169b2547d6693a96 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/100200 Reviewed-by: Zach Anderson <zra@google.com> Commit-Queue: Ryan Macnak <rmacnak@google.com>
69 lines
1.8 KiB
C++
69 lines
1.8 KiB
C++
// Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file
|
|
// for details. All rights reserved. Use of this source code is governed by a
|
|
// BSD-style license that can be found in the LICENSE file.
|
|
|
|
#include "vm/globals.h"
|
|
#if defined(HOST_OS_LINUX)
|
|
|
|
#include "platform/memory_sanitizer.h"
|
|
#include "vm/native_symbol.h"
|
|
#include "vm/os.h"
|
|
|
|
#include <cxxabi.h> // NOLINT
|
|
#include <dlfcn.h> // NOLINT
|
|
|
|
namespace dart {
|
|
|
|
void NativeSymbolResolver::Init() {}
|
|
|
|
void NativeSymbolResolver::Cleanup() {}
|
|
|
|
char* NativeSymbolResolver::LookupSymbolName(uintptr_t pc, uintptr_t* start) {
|
|
Dl_info info;
|
|
int r = dladdr(reinterpret_cast<void*>(pc), &info);
|
|
if (r == 0) {
|
|
return NULL;
|
|
}
|
|
if (info.dli_sname == NULL) {
|
|
return NULL;
|
|
}
|
|
if (start != NULL) {
|
|
*start = reinterpret_cast<uintptr_t>(info.dli_saddr);
|
|
}
|
|
int status = 0;
|
|
size_t len = 0;
|
|
char* demangled = abi::__cxa_demangle(info.dli_sname, NULL, &len, &status);
|
|
MSAN_UNPOISON(demangled, len);
|
|
if (status == 0) {
|
|
return demangled;
|
|
}
|
|
return strdup(info.dli_sname);
|
|
}
|
|
|
|
void NativeSymbolResolver::FreeSymbolName(char* name) {
|
|
free(name);
|
|
}
|
|
|
|
bool NativeSymbolResolver::LookupSharedObject(uword pc,
|
|
uword* dso_base,
|
|
char** dso_name) {
|
|
Dl_info info;
|
|
int r = dladdr(reinterpret_cast<void*>(pc), &info);
|
|
if (r == 0) {
|
|
return false;
|
|
}
|
|
*dso_base = reinterpret_cast<uword>(info.dli_fbase);
|
|
*dso_name = strdup(info.dli_fname);
|
|
return true;
|
|
}
|
|
|
|
void NativeSymbolResolver::AddSymbols(const char* dso_name,
|
|
void* buffer,
|
|
size_t size) {
|
|
OS::PrintErr("warning: Dart_AddSymbols has no effect on Linux\n");
|
|
}
|
|
|
|
} // namespace dart
|
|
|
|
#endif // defined(HOST_OS_LINUX)
|