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move archive-specific stuff out of bcreader into archive library.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34022 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
2007-02-07 23:53:17 +00:00
parent 7cf7c2b703
commit f36c7b860d
6 changed files with 160 additions and 103 deletions
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70
lib/Bytecode/Archive/Archive.cpp
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@ -14,8 +14,9 @@
#include "ArchiveInternals.h"
#include "llvm/ModuleProvider.h"
#include "llvm/Module.h"
#include "llvm/Bytecode/Reader.h"
#include "llvm/System/Process.h"
using namespace llvm;
// getMemberSize - compute the actual physical size of the file member as seen
@ -190,3 +191,70 @@ Archive::~Archive() {
cleanUpMemory();
}
static void getSymbols(Module*M, std::vector<std::string>& symbols) {
// Loop over global variables
for (Module::global_iterator GI = M->global_begin(), GE=M->global_end(); GI != GE; ++GI)
if (!GI->isDeclaration() && !GI->hasInternalLinkage())
if (!GI->getName().empty())
symbols.push_back(GI->getName());
// Loop over functions.
for (Module::iterator FI = M->begin(), FE = M->end(); FI != FE; ++FI)
if (!FI->isDeclaration() && !FI->hasInternalLinkage())
if (!FI->getName().empty())
symbols.push_back(FI->getName());
}
// Get just the externally visible defined symbols from the bytecode
bool llvm::GetBytecodeSymbols(const sys::Path& fName,
std::vector<std::string>& symbols,
BCDecompressor_t *BCDC,
std::string* ErrMsg) {
ModuleProvider *MP = getBytecodeModuleProvider(fName.toString(), BCDC,ErrMsg);
if (!MP)
return true;
// Get the module from the provider
Module* M = MP->materializeModule();
if (M == 0) {
delete MP;
return true;
}
// Get the symbols
getSymbols(M, symbols);
// Done with the module.
delete MP;
return true;
}
ModuleProvider*
llvm::GetBytecodeSymbols(const unsigned char*Buffer, unsigned Length,
const std::string& ModuleID,
std::vector<std::string>& symbols,
BCDecompressor_t *BCDC,
std::string* ErrMsg) {
// Get the module provider
ModuleProvider* MP =
getBytecodeBufferModuleProvider(Buffer, Length, ModuleID, BCDC, ErrMsg, 0);
if (!MP)
return 0;
// Get the module from the provider
Module* M = MP->materializeModule();
if (M == 0) {
delete MP;
return 0;
}
// Get the symbols
getSymbols(M, symbols);
// Done with the module. Note that ModuleProvider will delete the
// Module when it is deleted. Also note that its the caller's responsibility
// to delete the ModuleProvider.
return MP;
}