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Remove big-endianness from =<fillexp> code.

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llvm-svn: 300005
This commit is contained in:
Rui Ueyama
2017-04-11 22:45:57 +00:00
parent 8f8c2f9599
commit b58079d4e2
2 changed files with 12 additions and 11 deletions
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10
lld/ELF/OutputSections.cpp
View File

@@ -221,15 +221,13 @@ void OutputSection::sortCtorsDtors() {
std::stable_sort(Sections.begin(), Sections.end(), compCtors);
}
// Fill [Buf, Buf + Size) with Filler. Filler is written in big
// endian order. This is used for linker script "=fillexp" command.
// Fill [Buf, Buf + Size) with Filler.
// This is used for linker script "=fillexp" command.
static void fill(uint8_t *Buf, size_t Size, uint32_t Filler) {
uint8_t V[4];
write32be(V, Filler);
size_t I = 0;
for (; I + 4 < Size; I += 4)
memcpy(Buf + I, V, 4);
memcpy(Buf + I, V, Size - I);
memcpy(Buf + I, &Filler, 4);
memcpy(Buf + I, &Filler, Size - I);
}
uint32_t OutputSection::getFiller() {

13
lld/ELF/ScriptParser.cpp
View File

@@ -36,6 +36,7 @@
using namespace llvm;
using namespace llvm::ELF;
using namespace llvm::support::endian;
using namespace lld;
using namespace lld::elf;
@@ -637,11 +638,13 @@ ScriptParser::readOutputSectionDescription(StringRef OutSec) {
// as 32-bit big-endian values. We will do the same as ld.gold does
// because it's simpler than what ld.bfd does.
uint32_t ScriptParser::readOutputSectionFiller(StringRef Tok) {
uint32_t V;
if (!Tok.getAsInteger(0, V))
return V;
setError("invalid filler expression: " + Tok);
return 0;
uint32_t V = 0;
if (Tok.getAsInteger(0, V))
setError("invalid filler expression: " + Tok);
uint32_t Buf;
write32be(&Buf, V);
return Buf;
}
SymbolAssignment *ScriptParser::readProvideHidden(bool Provide, bool Hidden) {