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[PECOFF][Writer] Fix SizeOfImage header. It should include the first unmapped page. 

llvm-svn: 185534
This commit is contained in:
Rui Ueyama 2013-07-03 12:55:56 +00:00
parent 9d2e202d65
commit 4eca75df00
2 changed files with 5 additions and 7 deletions
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10
lld/lib/ReaderWriter/PECOFF/WriterPECOFF.cpp
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@ -566,20 +566,18 @@ private:
// there's no technical reason to do so, but we'll follow that convention // there's no technical reason to do so, but we'll follow that convention
// so that we don't produce odd-looking binary. We should update the code // so that we don't produce odd-looking binary. We should update the code
// (or this comment) once we figure the reason out. // (or this comment) once we figure the reason out.
uint32_t offset = PAGE_SIZE; uint32_t rva = PAGE_SIZE;
uint32_t va = offset;
for (auto &cp : _chunks) { for (auto &cp : _chunks) {
if (SectionChunk *chunk = dyn_cast<SectionChunk>(&*cp)) { if (SectionChunk *chunk = dyn_cast<SectionChunk>(&*cp)) {
chunk->setVirtualAddress(va); chunk->setVirtualAddress(rva);
// Skip the empty section. // Skip the empty section.
if (chunk->size() == 0) if (chunk->size() == 0)
continue; continue;
numSections++; numSections++;
va = llvm::RoundUpToAlignment(va + chunk->size(), PAGE_SIZE); rva = llvm::RoundUpToAlignment(rva + chunk->size(), PAGE_SIZE);
} }
} }
imageSize = va - offset; imageSize = rva;
} }
/// Apply relocations to the output file buffer. This two pass. In the first /// Apply relocations to the output file buffer. This two pass. In the first

2
lld/test/pecoff/trivial.test
View File

@ -39,7 +39,7 @@ FILE: MajorImageVersion: 0
FILE: MinorImageVersion: 0 FILE: MinorImageVersion: 0
FILE: MajorSubsystemVersion: 3 FILE: MajorSubsystemVersion: 3
FILE: MinorSubsystemVersion: 11 FILE: MinorSubsystemVersion: 11
FILE: SizeOfImage: 4096 FILE: SizeOfImage: 8192
FILE: SizeOfHeaders: 512 FILE: SizeOfHeaders: 512
FILE: Subsystem: IMAGE_SUBSYSTEM_WINDOWS_CUI (0x3) FILE: Subsystem: IMAGE_SUBSYSTEM_WINDOWS_CUI (0x3)
FILE: Subsystem [ (0x8540) FILE: Subsystem [ (0x8540)