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Don't hide the first ELF symbol.

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The first symbol on ELF is dummy, but it has a defined content and readelf
normally displays it. With this change llvm-readobj also displays it and we
can check that llvm-mc output is correct according to the standard.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183337 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Rafael Espindola 2013-06-05 20:33:54 +00:00
parent 512119770e
commit c9f2cc7e05
5 changed files with 39 additions and 3 deletions
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4
include/llvm/Object/ELF.h
View File

@ -2466,7 +2466,7 @@ symbol_iterator ELFObjectFile<ELFT>::begin_symbols() const {
SymbolData.d.a = 0;
SymbolData.d.b = 0;
} else {
SymbolData.d.a = 1; // The 0th symbol in ELF is fake.
SymbolData.d.a = 0;
SymbolData.d.b = SymbolTableIndex;
}
return symbol_iterator(SymbolRef(SymbolData, this));
@ -2493,7 +2493,7 @@ symbol_iterator ELFObjectFile<ELFT>::begin_dynamic_symbols() const {
SymbolData.d.a = 0;
SymbolData.d.b = 0;
} else {
SymbolData.d.a = 1; // The 0th symbol in ELF is fake.
SymbolData.d.a = 0;
SymbolData.d.b = DynamicSymbolTableIndex;
}
return symbol_iterator(SymbolRef(SymbolData, this));

11
test/MC/ELF/alias-reloc.s
View File

@ -25,7 +25,16 @@ foo2:
// CHECK-NEXT: ]
// CHECK: Symbols [
// CHECK: Symbol {
// CHECK-NEXT: Symbol {
// CHECK-NEXT: Name: (0)
// CHECK-NEXT: Value: 0x0
// CHECK-NEXT: Size: 0
// CHECK-NEXT: Binding: Local (0x0)
// CHECK-NEXT: Type: None (0x0)
// CHECK-NEXT: Other: 0
// CHECK-NEXT: Section: (0x0)
// CHECK-NEXT: }
// CHECK-NEXT: Symbol {
// CHECK-NEXT: Name: bar
// CHECK-NEXT: Value: 0x0
// CHECK-NEXT: Size: 0

9
test/MC/ELF/alias.s
View File

@ -19,6 +19,15 @@ bar4 = foo4
// CHECK: Symbols [
// CHECK-NEXT: Symbol {
// CHECK-NEXT: Name: (0)
// CHECK-NEXT: Value: 0x0
// CHECK-NEXT: Size: 0
// CHECK-NEXT: Binding: Local (0x0)
// CHECK-NEXT: Type: None (0x0)
// CHECK-NEXT: Other: 0
// CHECK-NEXT: Section: (0x0)
// CHECK-NEXT: }
// CHECK-NEXT: Symbol {
// CHECK-NEXT: Name: bar
// CHECK-NEXT: Value: 0x0
// CHECK-NEXT: Size: 0

9
test/MC/ELF/weakref.s
View File

@ -71,6 +71,15 @@ bar15:
// CHECK: Symbols [
// CHECK-NEXT: Symbol {
// CHECK-NEXT: Name: (0)
// CHECK-NEXT: Value: 0x0
// CHECK-NEXT: Size: 0
// CHECK-NEXT: Binding: Local (0x0)
// CHECK-NEXT: Type: None (0x0)
// CHECK-NEXT: Other: 0
// CHECK-NEXT: Section: (0x0)
// CHECK-NEXT: }
// CHECK-NEXT: Symbol {
// CHECK-NEXT: Name: bar6 (21)
// CHECK-NEXT: Value: 0x18
// CHECK-NEXT: Size: 0

9
test/tools/llvm-readobj/symbols.test
View File

@ -25,6 +25,15 @@ COFF-NEXT: }
ELF: Symbols [
ELF-NEXT: Symbol {
ELF-NEXT: Name: (0)
ELF-NEXT: Value: 0x0
ELF-NEXT: Size: 0
ELF-NEXT: Binding: Local (0x0)
ELF-NEXT: Type: None (0x0)
ELF-NEXT: Other: 0
ELF-NEXT: Section: (0x0)
ELF-NEXT: }
ELF-NEXT: Symbol {
ELF-NEXT: Name: trivial.ll (1)
ELF-NEXT: Value: 0x0
ELF-NEXT: Size: 0