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Add wrappers to get defined symbols from bytecode 

llvm-svn: 17770
This commit is contained in:
Reid Spencer 2004-11-14 22:00:48 +00:00
parent f01fc688ba
commit 0ce0d938b1
1 changed files with 48 additions and 19 deletions
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67
llvm/lib/Bytecode/Reader/ReaderWrappers.cpp
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@ -346,6 +346,30 @@ bool llvm::GetBytecodeDependentLibraries(const std::string &fname,
}
}
namespace {
void getSymbols(Module*M, std::vector<std::string>& symbols) {
// Loop over global variables
for (Module::giterator GI = M->gbegin(), GE=M->gend(); GI != GE; ++GI) {
if (GI->hasInitializer()) {
std::string name ( GI->getName() );
if (!name.empty()) {
symbols.push_back(name);
}
}
}
//Loop over functions
for (Module::iterator FI = M->begin(), FE=M->end(); FI != FE; ++FI) {
if (!FI->isExternal()) {
std::string name ( FI->getName() );
if (!name.empty()) {
symbols.push_back(name);
}
}
}
}
}
// Get just the externally visible defined symbols from the bytecode
bool llvm::GetBytecodeSymbols(const sys::Path& fName,
std::vector<std::string>& symbols) {
@ -355,25 +379,8 @@ bool llvm::GetBytecodeSymbols(const sys::Path& fName,
// Get the module from the provider
Module* M = AMP->releaseModule();
// Loop over global variables
for (Module::giterator GI = M->gbegin(), GE=M->gend(); GI != GE; ++GI) {
if (GI->hasInitializer()) {
std::string name ( GI->getName() );
if (!name.empty()) {
symbols.push_back(name);
}
}
}
//Loop over functions
for (Module::iterator FI = M->begin(), FE=M->end(); FI != FE; ++FI) {
if (!FI->isExternal()) {
std::string name ( FI->getName() );
if (!name.empty()) {
symbols.push_back(name);
}
}
}
// Get the symbols
getSymbols(M, symbols);
// Done with the module
delete M;
@ -384,4 +391,26 @@ bool llvm::GetBytecodeSymbols(const sys::Path& fName,
}
}
bool llvm::GetBytecodeSymbols(const unsigned char*Buffer, unsigned Length,
const std::string& ModuleID,
std::vector<std::string>& symbols) {
try {
std::auto_ptr<ModuleProvider>
AMP(getBytecodeBufferModuleProvider(Buffer, Length, ModuleID));
// Get the module from the provider
Module* M = AMP->releaseModule();
// Get the symbols
getSymbols(M, symbols);
// Done with the module
delete M;
return true;
} catch (...) {
return false;
}
}
// vim: sw=2 ai