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Extend the hack for _GLOBAL_OFFSET_TABLE_ slightly; PR10389.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135607 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Eli Friedman 2011-07-20 19:36:11 +00:00
parent 88d1bc832c
commit a4d0bd84f7
2 changed files with 6 additions and 3 deletions
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4
lib/Target/X86/X86MCCodeEmitter.cpp
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@ -205,7 +205,9 @@ EmitImmediate(const MCOperand &DispOp, unsigned Size, MCFixupKind FixupKind,
}
// If we have an immoffset, add it to the expression.
if (FixupKind == FK_Data_4 && StartsWithGlobalOffsetTable(Expr)) {
if ((FixupKind == FK_Data_4 ||
FixupKind == MCFixupKind(X86::reloc_signed_4byte)) &&
StartsWithGlobalOffsetTable(Expr)) {
assert(ImmOffset == 0);
FixupKind = MCFixupKind(X86::reloc_global_offset_table);

5
test/MC/ELF/global-offset.s
View File

@ -1,9 +1,10 @@
// RUN: llvm-mc -filetype=obj -triple i386-pc-linux-gnu %s -o - | elf-dump --dump-section-data | FileCheck %s
// We test that _GLOBAL_OFFSET_TABLE_ will account for the two bytes at the
// start of the addl.
// start of the addl/leal.
addl $_GLOBAL_OFFSET_TABLE_, %ebx
leal _GLOBAL_OFFSET_TABLE_(%ebx), %ebx
// CHECK: ('sh_name', 0x00000005) # '.text'
// CHECK-NEXT: ('sh_type',
@ -15,4 +16,4 @@
// CHECK-NEXT: ('sh_info',
// CHECK-NEXT: ('sh_addralign',
// CHECK-NEXT: ('sh_entsize',
// CHECK-NEXT: ('_section_data', '81c30200 0000')
// CHECK-NEXT: ('_section_data', '81c30200 00008d9b 02000000')