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Object: Add Archive::getNumberOfSymbols().

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Add a function that returns number of symbols in archive headers.

llvm-svn: 238213
This commit is contained in:
Rui Ueyama 2015-05-26 16:20:40 +00:00
parent 11f35d3a02
commit cd68d85cf8
2 changed files with 14 additions and 14 deletions
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1
include/llvm/Object/Archive.h
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@ -207,6 +207,7 @@ public:
bool hasSymbolTable() const;
child_iterator getSymbolTableChild() const { return SymbolTable; }
uint32_t getNumberOfSymbols() const;
private:
child_iterator SymbolTable;

27
lib/Object/Archive.cpp
View File

@ -487,22 +487,21 @@ Archive::symbol_iterator Archive::symbol_begin() const {
Archive::symbol_iterator Archive::symbol_end() const {
if (!hasSymbolTable())
return symbol_iterator(Symbol(this, 0, 0));
return symbol_iterator(Symbol(this, getNumberOfSymbols(), 0));
}
uint32_t Archive::getNumberOfSymbols() const {
const char *buf = SymbolTable->getBuffer().begin();
uint32_t symbol_count = 0;
if (kind() == K_GNU) {
symbol_count = read32be(buf);
} else if (kind() == K_MIPS64) {
symbol_count = read64be(buf);
} else if (kind() == K_BSD) {
symbol_count = read32le(buf) / 8;
} else {
uint32_t member_count = 0;
member_count = read32le(buf);
buf += 4 + (member_count * 4); // Skip offsets.
symbol_count = read32le(buf);
}
return symbol_iterator(Symbol(this, symbol_count, 0));
if (kind() == K_GNU)
return read32be(buf);
if (kind() == K_MIPS64)
return read64be(buf);
if (kind() == K_BSD)
return read32le(buf) / 8;
uint32_t member_count = 0;
member_count = read32le(buf);
buf += 4 + (member_count * 4); // Skip offsets.
return read32le(buf);
}
Archive::child_iterator Archive::findSym(StringRef name) const {