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| author | Rafael Espindola <rafael.espindola@gmail.com> | 2010-10-27 16:04:30 +0000 |
|---|---|---|
| committer | Rafael Espindola <rafael.espindola@gmail.com> | 2010-10-27 16:04:30 +0000 |
| commit | bf052ac5d1c8f21075bc675f629709c20791c5f7 (patch) | |
| tree | 2a08d8b0eadb799ec0d440f44d4758381cab1afc | |
| parent | 88182132470527e27231f09b25a885893e528c66 (diff) | |
Symbols defined as the difference of other two end up in the ABS section.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117451 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | lib/MC/ELFObjectWriter.cpp | 7 | ||||
| -rw-r--r-- | test/MC/ELF/abs.s | 16 |
2 files changed, 18 insertions, 5 deletions
diff --git a/lib/MC/ELFObjectWriter.cpp b/lib/MC/ELFObjectWriter.cpp index 5e11a1553f..54d8123da0 100644 --- a/lib/MC/ELFObjectWriter.cpp +++ b/lib/MC/ELFObjectWriter.cpp @@ -863,7 +863,7 @@ void ELFObjectWriterImpl::ComputeSymbolTable(MCAssembler &Asm) { if (it->isCommon()) { assert(!Local); MSD.SectionIndex = ELF::SHN_COMMON; - } else if (Symbol.isAbsolute()) { + } else if (Symbol.isAbsolute() || RefSymbol.isVariable()) { MSD.SectionIndex = ELF::SHN_ABS; } else if (RefSymbol.isUndefined()) { MSD.SectionIndex = ELF::SHN_UNDEF; @@ -871,11 +871,8 @@ void ELFObjectWriterImpl::ComputeSymbolTable(MCAssembler &Asm) { // are able to set it. if (GetBinding(*it) == ELF::STB_LOCAL) SetBinding(*it, ELF::STB_GLOBAL); - } else if (Symbol.isVariable()) { - MSD.SectionIndex = SectionIndexMap.lookup(&RefSymbol.getSection()); - assert(MSD.SectionIndex && "Invalid section index!"); } else { - MSD.SectionIndex = SectionIndexMap.lookup(&Symbol.getSection()); + MSD.SectionIndex = SectionIndexMap.lookup(&RefSymbol.getSection()); assert(MSD.SectionIndex && "Invalid section index!"); } diff --git a/test/MC/ELF/abs.s b/test/MC/ELF/abs.s new file mode 100644 index 0000000000..d7fa0c0388 --- /dev/null +++ b/test/MC/ELF/abs.s @@ -0,0 +1,16 @@ +// RUN: llvm-mc -filetype=obj -triple x86_64-pc-linux-gnu %s -o - | elf-dump | FileCheck %s + +// Test that zed will be an ABS symbol + +.Lfoo: +.Lbar: + zed = .Lfoo - .Lbar + +// CHECK: # Symbol 0x00000001 +// CHECK-NEXT: (('st_name', 0x00000001) # 'zed' +// CHECK-NEXT: ('st_bind', 0x00000000) +// CHECK-NEXT: ('st_type', 0x00000000) +// CHECK-NEXT: ('st_other', 0x00000000) +// CHECK-NEXT: ('st_shndx', 0x0000fff1) +// CHECK-NEXT: ('st_value', 0x00000000) +// CHECK-NEXT: ('st_size', 0x00000000) |