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tools: simplify symbol handling in objdump

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Rather than switching behaviour on whether a previous symbol has an auxiliary
symbol record for the next count of elements, simply iterate over the auxiliary
symbols right after processing the current symbol entry.  This makes the
behaviour much simpler to follow and similar to llvm-readobj and yaml2obj.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206146 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Saleem Abdulrasool 2014-04-14 02:37:28 +00:00
parent 67635a7f8d
commit 1b1e4e27e1
1 changed files with 28 additions and 25 deletions
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53
tools/llvm-objdump/llvm-objdump.cpp
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@ -664,14 +664,31 @@ static void PrintSectionContents(const ObjectFile *Obj) {
static void PrintCOFFSymbolTable(const COFFObjectFile *coff) {
const coff_file_header *header;
if (error(coff->getHeader(header))) return;
int aux_count = 0;
const coff_symbol *symbol = 0;
for (int i = 0, e = header->NumberOfSymbols; i != e; ++i) {
if (aux_count--) {
if (symbol->isSectionDefinition()) {
if (error(coff->getHeader(header)))
return;
for (unsigned SI = 0, SE = header->NumberOfSymbols; SI != SE; ++SI) {
const coff_symbol *Symbol;
StringRef Name;
if (error(coff->getSymbol(SI, Symbol)))
return;
if (error(coff->getSymbolName(Symbol, Name)))
return;
outs() << "[" << format("%2d", SI) << "]"
<< "(sec " << format("%2d", int(Symbol->SectionNumber)) << ")"
<< "(fl 0x00)" // Flag bits, which COFF doesn't have.
<< "(ty " << format("%3x", unsigned(Symbol->Type)) << ")"
<< "(scl " << format("%3x", unsigned(Symbol->StorageClass)) << ") "
<< "(nx " << unsigned(Symbol->NumberOfAuxSymbols) << ") "
<< "0x" << format("%08x", unsigned(Symbol->Value)) << " "
<< Name << "\n";
for (unsigned AI = 0, AE = Symbol->NumberOfAuxSymbols; AI < AE; ++AI, ++SI) {
if (Symbol->isSectionDefinition()) {
const coff_aux_section_definition *asd;
if (error(coff->getAuxSymbol<coff_aux_section_definition>(i, asd)))
if (error(coff->getAuxSymbol<coff_aux_section_definition>(SI + 1, asd)))
return;
outs() << "AUX "
@ -683,31 +700,17 @@ static void PrintCOFFSymbolTable(const COFFObjectFile *coff) {
<< format("assoc %d comdat %d\n"
, unsigned(asd->Number)
, unsigned(asd->Selection));
} else if (symbol->isFileRecord()) {
} else if (Symbol->isFileRecord()) {
const coff_aux_file *AF;
if (error(coff->getAuxSymbol<coff_aux_file>(i, AF)))
if (error(coff->getAuxSymbol<coff_aux_file>(SI + 1, AF)))
return;
StringRef Name(AF->FileName, (aux_count + 1) * COFF::SymbolSize);
StringRef Name(AF->FileName,
Symbol->NumberOfAuxSymbols * COFF::SymbolSize);
outs() << "AUX " << Name.rtrim(StringRef("\0", 1)) << '\n';
i = i + aux_count;
aux_count = 0;
} else {
outs() << "AUX Unknown\n";
}
} else {
StringRef name;
if (error(coff->getSymbol(i, symbol))) return;
if (error(coff->getSymbolName(symbol, name))) return;
outs() << "[" << format("%2d", i) << "]"
<< "(sec " << format("%2d", int(symbol->SectionNumber)) << ")"
<< "(fl 0x00)" // Flag bits, which COFF doesn't have.
<< "(ty " << format("%3x", unsigned(symbol->Type)) << ")"
<< "(scl " << format("%3x", unsigned(symbol->StorageClass)) << ") "
<< "(nx " << unsigned(symbol->NumberOfAuxSymbols) << ") "
<< "0x" << format("%08x", unsigned(symbol->Value)) << " "
<< name << "\n";
aux_count = symbol->NumberOfAuxSymbols;
}
}
}