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MC/Mach-O: PCrel relocations weren't using the right base address, they are

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relative to the fragment address, not its offset. This was masked by the text
section normally being at address 0.

llvm-svn: 98420
This commit is contained in:
Daniel Dunbar 2010-03-13 02:38:00 +00:00
parent 33c92a1a88
commit e8b67adb94
2 changed files with 15 additions and 1 deletions
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2
lib/MC/MCAssembler.cpp
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@ -1024,7 +1024,7 @@ bool MCAssembler::EvaluateFixup(const MCAsmLayout &Layout, MCAsmFixup &Fixup,
}
if (IsPCRel)
Value -= DF->getOffset() + Fixup.Offset;
Value -= DF->getAddress() + Fixup.Offset;
return IsResolved;
}

14
test/MC/MachO/reloc-pcrel-offset.s Normal file
View File

@ -0,0 +1,14 @@
// RUN: llvm-mc -n -triple i386-apple-darwin9 %s -filetype=obj -o - | macho-dump --dump-section-data | FileCheck %s
// CHECK: # Relocation 0
// CHECK: (('word-0', 0x1),
// CHECK: ('word-1', 0x5000002)),
// CHECK-NEXT: ])
// CHECK: ('_section_data', '\xe8\xfb\xff\xff\xff')
.data
.long 0
.text
_a:
call _a