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Fix and add tests for all cases in x86 and x86_64 where gnu as implicitly

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sets the type of a symbol to STT_TLS.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120100 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Rafael Espindola 2010-11-24 18:51:21 +00:00
parent 5c7106b2e3
commit bf8209daf8
3 changed files with 109 additions and 16 deletions
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18
lib/MC/MCELFStreamer.cpp
View File

@ -467,12 +467,20 @@ void MCELFStreamer::fixSymbolsInTLSFixups(const MCExpr *expr) {
case MCExpr::SymbolRef: {
const MCSymbolRefExpr &symRef = *cast<MCSymbolRefExpr>(expr);
MCSymbolRefExpr::VariantKind kind = symRef.getKind();
if (kind != MCSymbolRefExpr::VK_TLSGD &&
kind != MCSymbolRefExpr::VK_TLSLD &&
kind != MCSymbolRefExpr::VK_TLSLDM &&
kind != MCSymbolRefExpr::VK_ARM_TLSGD)
switch (symRef.getKind()) {
default:
return;
case MCSymbolRefExpr::VK_NTPOFF:
case MCSymbolRefExpr::VK_GOTNTPOFF:
case MCSymbolRefExpr::VK_TLSGD:
case MCSymbolRefExpr::VK_TLSLDM:
case MCSymbolRefExpr::VK_TPOFF:
case MCSymbolRefExpr::VK_DTPOFF:
case MCSymbolRefExpr::VK_GOTTPOFF:
case MCSymbolRefExpr::VK_TLSLD:
case MCSymbolRefExpr::VK_ARM_TLSGD:
break;
}
MCSymbolData &SD = getAssembler().getOrCreateSymbolData(symRef.getSymbol());
SetType(SD, ELF::STT_TLS);
break;

64
test/MC/ELF/tls-i386.s Normal file
View File

@ -0,0 +1,64 @@
// RUN: llvm-mc -filetype=obj -triple i386-pc-linux-gnu %s -o - | elf-dump | FileCheck %s
// Test that all symbols are of type STT_TLS.
movl foo1@NTPOFF(%eax), %eax
movl foo2@GOTNTPOFF(%eax), %eax
movl foo3@TLSGD(%eax), %eax
movl foo4@TLSLDM(%eax), %eax
movl foo5@TPOFF(%eax), %eax
movl foo6@DTPOFF(%eax), %eax
// CHECK: (('st_name', 0x00000001) # 'foo1'
// CHECK-NEXT: ('st_value', 0x00000000)
// CHECK-NEXT: ('st_size', 0x00000000)
// CHECK-NEXT: ('st_bind', 0x00000001)
// CHECK-NEXT: ('st_type', 0x00000006)
// CHECK-NEXT: ('st_other', 0x00000000)
// CHECK-NEXT: ('st_shndx', 0x00000000)
// CHECK-NEXT: ),
// CHECK-NEXT: # Symbol 0x00000006
// CHECK-NEXT: (('st_name', 0x00000006) # 'foo2'
// CHECK-NEXT: ('st_value', 0x00000000)
// CHECK-NEXT: ('st_size', 0x00000000)
// CHECK-NEXT: ('st_bind', 0x00000001)
// CHECK-NEXT: ('st_type', 0x00000006)
// CHECK-NEXT: ('st_other', 0x00000000)
// CHECK-NEXT: ('st_shndx', 0x00000000)
// CHECK-NEXT: ),
// CHECK-NEXT: # Symbol 0x00000007
// CHECK-NEXT: (('st_name', 0x0000000b) # 'foo3'
// CHECK-NEXT: ('st_value', 0x00000000)
// CHECK-NEXT: ('st_size', 0x00000000)
// CHECK-NEXT: ('st_bind', 0x00000001)
// CHECK-NEXT: ('st_type', 0x00000006)
// CHECK-NEXT: ('st_other', 0x00000000)
// CHECK-NEXT: ('st_shndx', 0x00000000)
// CHECK-NEXT: ),
// CHECK-NEXT: # Symbol 0x00000008
// CHECK-NEXT: (('st_name', 0x00000010) # 'foo4'
// CHECK-NEXT: ('st_value', 0x00000000)
// CHECK-NEXT: ('st_size', 0x00000000)
// CHECK-NEXT: ('st_bind', 0x00000001)
// CHECK-NEXT: ('st_type', 0x00000006)
// CHECK-NEXT: ('st_other', 0x00000000)
// CHECK-NEXT: ('st_shndx', 0x00000000)
// CHECK-NEXT: ),
// CHECK-NEXT: # Symbol 0x00000009
// CHECK-NEXT: (('st_name', 0x00000015) # 'foo5'
// CHECK-NEXT: ('st_value', 0x00000000)
// CHECK-NEXT: ('st_size', 0x00000000)
// CHECK-NEXT: ('st_bind', 0x00000001)
// CHECK-NEXT: ('st_type', 0x00000006)
// CHECK-NEXT: ('st_other', 0x00000000)
// CHECK-NEXT: ('st_shndx', 0x00000000)
// CHECK-NEXT: ),
// CHECK-NEXT: # Symbol 0x0000000a
// CHECK-NEXT: (('st_name', 0x0000001a) # 'foo6'
// CHECK-NEXT: ('st_value', 0x00000000)
// CHECK-NEXT: ('st_size', 0x00000000)
// CHECK-NEXT: ('st_bind', 0x00000001)
// CHECK-NEXT: ('st_type', 0x00000006)
// CHECK-NEXT: ('st_other', 0x00000000)
// CHECK-NEXT: ('st_shndx', 0x00000000)
// CHECK-NEXT: ),

43
test/MC/ELF/tls.s
View File

@ -1,14 +1,16 @@
// RUN: llvm-mc -filetype=obj -triple x86_64-pc-linux-gnu %s -o - | elf-dump | FileCheck %s
// Test that foo and foobar is of type STT_TLS.
// Test that all symbols are of type STT_TLS.
leaq foo@TLSGD(%rip), %rdi
leaq foo1@TLSGD(%rip), %rdi
leaq foo2@GOTTPOFF(%rip), %rdi
leaq foo3@TLSLD(%rip), %rdi
.section .zed,"awT",@progbits
foobar:
.long 43
// CHECK: (('st_name', 0x00000005) # 'foobar'
// CHECK: (('st_name', 0x00000010) # 'foobar'
// CHECK-NEXT: ('st_bind', 0x00000000)
// CHECK-NEXT: ('st_type', 0x00000006)
// CHECK-NEXT: ('st_other', 0x00000000)
@ -17,11 +19,30 @@ foobar:
// CHECK-NEXT: ('st_size', 0x00000000)
// CHECK-NEXT: ),
// CHECK: (('st_name', 0x00000001) # 'foo'
// CHECK-NEXT: ('st_bind', 0x00000001)
// CHECK-NEXT: ('st_type', 0x00000006)
// CHECK-NEXT: ('st_other', 0x00000000)
// CHECK-NEXT: ('st_shndx', 0x00000000)
// CHECK-NEXT: ('st_value', 0x00000000)
// CHECK-NEXT: ('st_size', 0x00000000)
// CHECK-NEXT: ),
// CHECK: # Symbol 0x00000007
// CHECK-NEXT: (('st_name', 0x00000001) # 'foo1'
// CHECK-NEXT: ('st_bind', 0x00000001)
// CHECK-NEXT: ('st_type', 0x00000006)
// CHECK-NEXT: ('st_other', 0x00000000)
// CHECK-NEXT: ('st_shndx', 0x00000000)
// CHECK-NEXT: ('st_value', 0x00000000)
// CHECK-NEXT: ('st_size', 0x00000000)
// CHECK-NEXT: ),
// CHECK-NEXT: # Symbol 0x00000008
// CHECK-NEXT: (('st_name', 0x00000006) # 'foo2'
// CHECK-NEXT: ('st_bind', 0x00000001)
// CHECK-NEXT: ('st_type', 0x00000006)
// CHECK-NEXT: ('st_other', 0x00000000)
// CHECK-NEXT: ('st_shndx', 0x00000000)
// CHECK-NEXT: ('st_value', 0x00000000)
// CHECK-NEXT: ('st_size', 0x00000000)
// CHECK-NEXT: ),
// CHECK-NEXT: # Symbol 0x00000009
// CHECK-NEXT: (('st_name', 0x0000000b) # 'foo3'
// CHECK-NEXT: ('st_bind', 0x00000001)
// CHECK-NEXT: ('st_type', 0x00000006)
// CHECK-NEXT: ('st_other', 0x00000000)
// CHECK-NEXT: ('st_shndx', 0x00000000)
// CHECK-NEXT: ('st_value', 0x00000000)
// CHECK-NEXT: ('st_size', 0x00000000)
// CHECK-NEXT: ),