mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-11-28 07:13:20 +00:00
22d1a37a79
Differential Revision: https://phabricator.services.mozilla.com/D69731 --HG-- extra : moz-landing-system : lando
75 lines
1.6 KiB
C++
75 lines
1.6 KiB
C++
/* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
|
|
* You can obtain one at http://mozilla.org/MPL/2.0/. */
|
|
|
|
#include "GLLibraryLoader.h"
|
|
|
|
#include <regex>
|
|
|
|
#include "mozilla/gfx/Logging.h"
|
|
#include "nsDebug.h"
|
|
|
|
#ifdef WIN32
|
|
# include <windows.h>
|
|
#endif
|
|
|
|
namespace mozilla {
|
|
namespace gl {
|
|
|
|
void ClearSymbols(const SymLoadStruct* const firstStruct) {
|
|
for (auto itr = firstStruct; itr->symPointer; ++itr) {
|
|
*itr->symPointer = nullptr;
|
|
}
|
|
}
|
|
|
|
bool SymbolLoader::LoadSymbols(const SymLoadStruct* const firstStruct,
|
|
const bool warnOnFailures) const {
|
|
bool ok = true;
|
|
|
|
for (auto itr = firstStruct; itr->symPointer; ++itr) {
|
|
*itr->symPointer = nullptr;
|
|
|
|
for (const auto& s : itr->symNames) {
|
|
if (!s) break;
|
|
|
|
const auto p = GetProcAddress(s);
|
|
if (p) {
|
|
*itr->symPointer = p;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (!*itr->symPointer) {
|
|
if (warnOnFailures) {
|
|
printf_stderr("Can't find symbol '%s'.\n", itr->symNames[0]);
|
|
}
|
|
ok = false;
|
|
}
|
|
}
|
|
|
|
return ok;
|
|
}
|
|
|
|
// -
|
|
|
|
PRFuncPtr SymbolLoader::GetProcAddress(const char* const name) const {
|
|
#ifdef DEBUG
|
|
static const std::regex kRESymbol("[a-z].*");
|
|
if (!std::regex_match(name, kRESymbol)) {
|
|
gfxCriticalError() << "Bad symbol name : " << name;
|
|
}
|
|
#endif
|
|
|
|
PRFuncPtr ret = nullptr;
|
|
if (!ret && mLib) {
|
|
ret = PR_FindFunctionSymbol(mLib, name);
|
|
}
|
|
if (!ret && mPfn) {
|
|
ret = mPfn(name);
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
} // namespace gl
|
|
} // namespace mozilla
|