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Remove trailing whitespace
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21416 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Misha Brukman
@ -1,10 +1,10 @@
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//===-- ArchiveReader.cpp - Read LLVM archive files -------------*- C++ -*-===//
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//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file was developed by Reid Spencer and is distributed under the
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// This file was developed by Reid Spencer and is distributed under the
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// University of Illinois Open Source License. See LICENSE.TXT for details.
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//
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//
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//===----------------------------------------------------------------------===//
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//
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// Builds up standard unix archive files (.a) containing LLVM bytecode.
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@ -20,9 +20,9 @@ using namespace llvm;
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inline unsigned readInteger(const char*&At, const char*End) {
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unsigned Shift = 0;
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unsigned Result = 0;
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do {
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if (At == End)
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if (At == End)
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throw std::string("Ran out of data reading vbr_uint!");
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Result |= (unsigned)((*At++) & 0x7F) << Shift;
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Shift += 7;
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@ -49,7 +49,7 @@ Archive::parseSymbolTable(const void* data, unsigned size) {
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// This member parses an ArchiveMemberHeader that is presumed to be pointed to
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// by At. The At pointer is updated to the byte just after the header, which
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// can be variable in size.
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// can be variable in size.
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ArchiveMember*
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Archive::parseMemberHeader(const char*& At, const char* End) {
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assert(At + sizeof(ArchiveMemberHeader) < End && "Not enough data");
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@ -61,7 +61,7 @@ Archive::parseMemberHeader(const char*& At, const char* End) {
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// Instantiate the ArchiveMember to be filled
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ArchiveMember* member = new ArchiveMember(this);
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// Extract the size and determine if the file is
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// Extract the size and determine if the file is
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// compressed or not (negative length).
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int flags = 0;
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int MemberSize = atoi(Hdr->size);
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@ -79,14 +79,14 @@ Archive::parseMemberHeader(const char*& At, const char* End) {
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throw std::string("invalid file member signature");
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// Convert and check the member name
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// The empty name ( '/' and 15 blanks) is for a foreign (non-LLVM) symbol
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// table. The special name "//" and 14 blanks is for a string table, used
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// The empty name ( '/' and 15 blanks) is for a foreign (non-LLVM) symbol
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// table. The special name "//" and 14 blanks is for a string table, used
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// for long file names. This library doesn't generate either of those but
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// it will accept them. If the name starts with #1/ and the remainder is
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// digits, then those digits specify the length of the name that is
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// stored immediately following the header. The special name
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// __LLVM_SYM_TAB__ identifies the symbol table for LLVM bytecode.
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// Anything else is a regular, short filename that is terminated with
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// it will accept them. If the name starts with #1/ and the remainder is
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// digits, then those digits specify the length of the name that is
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// stored immediately following the header. The special name
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// __LLVM_SYM_TAB__ identifies the symbol table for LLVM bytecode.
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// Anything else is a regular, short filename that is terminated with
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// a '/' and blanks.
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std::string pathname;
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@ -101,7 +101,7 @@ Archive::parseMemberHeader(const char*& At, const char* End) {
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flags |= ArchiveMember::HasLongFilenameFlag;
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} else
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throw std::string("invalid long filename");
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} else if (Hdr->name[1] == '_' &&
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} else if (Hdr->name[1] == '_' &&
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(0 == memcmp(Hdr->name, ARFILE_LLVM_SYMTAB_NAME, 16))) {
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// The member is using a long file name (>15 chars) format.
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// This format is standard for 4.4BSD and Mac OSX operating
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@ -152,7 +152,7 @@ Archive::parseMemberHeader(const char*& At, const char* End) {
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}
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break;
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case '_':
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if (Hdr->name[1] == '_' &&
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if (Hdr->name[1] == '_' &&
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(0 == memcmp(Hdr->name, ARFILE_BSD4_SYMTAB_NAME, 16))) {
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pathname.assign(ARFILE_BSD4_SYMTAB_NAME);
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flags |= ArchiveMember::BSD4SymbolTableFlag;
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@ -208,7 +208,7 @@ Archive::checkSignature() {
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throw std::string("invalid signature for an archive file");
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}
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// This function loads the entire archive and fully populates its ilist with
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// This function loads the entire archive and fully populates its ilist with
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// the members of the archive file. This is typically used in preparation for
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// editing the contents of the archive.
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void
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@ -226,7 +226,7 @@ Archive::loadArchive() {
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bool seenSymbolTable = false;
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bool foundFirstFile = false;
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while (At < End) {
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// parse the member header
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// parse the member header
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const char* Save = At;
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ArchiveMember* mbr = parseMemberHeader(At, End);
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@ -253,7 +253,7 @@ Archive::loadArchive() {
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if ((intptr_t(At) & 1) == 1)
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At++;
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delete mbr;
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} else if (mbr->isLLVMSymbolTable()) {
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} else if (mbr->isLLVMSymbolTable()) {
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// This is the LLVM symbol table for the archive. If we've seen it
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// already, its an error. Otherwise, parse the symbol table and move on.
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if (seenSymbolTable)
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@ -300,9 +300,9 @@ Archive::getAllModules(std::vector<Module*>& Modules, std::string* ErrMessage) {
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for (iterator I=begin(), E=end(); I != E; ++I) {
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if (I->isBytecode() || I->isCompressedBytecode()) {
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std::string FullMemberName = archPath.toString() +
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std::string FullMemberName = archPath.toString() +
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"(" + I->getPath().toString() + ")";
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Module* M = ParseBytecodeBuffer((const unsigned char*)I->getData(),
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Module* M = ParseBytecodeBuffer((const unsigned char*)I->getData(),
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I->getSize(), FullMemberName, ErrMessage);
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if (!M)
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return true;
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@ -365,8 +365,8 @@ Archive::loadSymbolTable() {
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FirstFile = At;
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} else {
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// There's no symbol table in the file. We have to rebuild it from scratch
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// because the intent of this method is to get the symbol table loaded so
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// it can be searched efficiently.
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// because the intent of this method is to get the symbol table loaded so
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// it can be searched efficiently.
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// Add the member to the members list
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members.push_back(mbr);
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}
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@ -391,19 +391,19 @@ Archive::OpenAndLoadSymbols(const sys::Path& file, std::string* ErrorMessage) {
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// Look up one symbol in the symbol table and return a ModuleProvider for the
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// module that defines that symbol.
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ModuleProvider*
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ModuleProvider*
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Archive::findModuleDefiningSymbol(const std::string& symbol) {
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SymTabType::iterator SI = symTab.find(symbol);
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if (SI == symTab.end())
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return 0;
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// The symbol table was previously constructed assuming that the members were
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// The symbol table was previously constructed assuming that the members were
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// written without the symbol table header. Because VBR encoding is used, the
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// values could not be adjusted to account for the offset of the symbol table
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// because that could affect the size of the symbol table due to VBR encoding.
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// We now have to account for this by adjusting the offset by the size of the
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// We now have to account for this by adjusting the offset by the size of the
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// symbol table and its header.
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unsigned fileOffset =
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unsigned fileOffset =
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SI->second + // offset in symbol-table-less file
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firstFileOffset; // add offset to first "real" file in archive
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@ -417,10 +417,10 @@ Archive::findModuleDefiningSymbol(const std::string& symbol) {
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ArchiveMember* mbr = parseMemberHeader(modptr, base + mapfile->size());
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// Now, load the bytecode module to get the ModuleProvider
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std::string FullMemberName = archPath.toString() + "(" +
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std::string FullMemberName = archPath.toString() + "(" +
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mbr->getPath().toString() + ")";
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ModuleProvider* mp = getBytecodeBufferModuleProvider(
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(const unsigned char*) mbr->getData(), mbr->getSize(),
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(const unsigned char*) mbr->getData(), mbr->getSize(),
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FullMemberName, 0);
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modules.insert(std::make_pair(fileOffset, std::make_pair(mp, mbr)));
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@ -428,7 +428,7 @@ Archive::findModuleDefiningSymbol(const std::string& symbol) {
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return mp;
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}
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// Look up multiple symbols in the symbol table and return a set of
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// Look up multiple symbols in the symbol table and return a set of
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// ModuleProviders that define those symbols.
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void
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Archive::findModulesDefiningSymbols(std::set<std::string>& symbols,
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@ -454,16 +454,16 @@ Archive::findModulesDefiningSymbols(std::set<std::string>& symbols,
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// If it contains symbols
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if (mbr->isBytecode() || mbr->isCompressedBytecode()) {
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// Get the symbols
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// Get the symbols
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std::vector<std::string> symbols;
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std::string FullMemberName = archPath.toString() + "(" +
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std::string FullMemberName = archPath.toString() + "(" +
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mbr->getPath().toString() + ")";
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ModuleProvider* MP = GetBytecodeSymbols((const unsigned char*)At,
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mbr->getSize(), FullMemberName, symbols);
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if (MP) {
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// Insert the module's symbols into the symbol table
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for (std::vector<std::string>::iterator I = symbols.begin(),
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for (std::vector<std::string>::iterator I = symbols.begin(),
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E=symbols.end(); I != E; ++I ) {
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symTab.insert(std::make_pair(*I, offset));
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}
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@ -483,10 +483,10 @@ Archive::findModulesDefiningSymbols(std::set<std::string>& symbols,
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}
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}
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// At this point we have a valid symbol table (one way or another) so we
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// At this point we have a valid symbol table (one way or another) so we
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// just use it to quickly find the symbols requested.
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for (std::set<std::string>::iterator I=symbols.begin(),
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for (std::set<std::string>::iterator I=symbols.begin(),
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E=symbols.end(); I != E;) {
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// See if this symbol exists
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ModuleProvider* mp = findModuleDefiningSymbol(*I);
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@ -495,7 +495,7 @@ Archive::findModulesDefiningSymbols(std::set<std::string>& symbols,
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// duplicates wil be ignored
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result.insert(mp);
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// Remove the symbol now that its been resolved, being careful to
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// Remove the symbol now that its been resolved, being careful to
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// post-increment the iterator.
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symbols.erase(I++);
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} else {
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@ -509,13 +509,13 @@ Archive::isBytecodeArchive()
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{
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//Make sure the symTab has been loaded...
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//in most cases this should have been done
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//when the archive was constructed, but still,
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//when the archive was constructed, but still,
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//this is just in case.
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if ( !symTab.size() )
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loadSymbolTable();
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//Now that we know it's been loaded, return true
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//if it has a size
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//if it has a size
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if ( symTab.size() ) return true;
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//We still can't be sure it isn't a bytecode archive
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