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Produce a R_386_PLT32 when needed. Moved the default cases of switches to the
start for consistency. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116715 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -639,6 +639,8 @@ void ELFObjectWriterImpl::RecordRelocation(const MCAssembler &Asm,
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if (Is64Bit) {
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if (IsPCRel) {
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switch (Modifier) {
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default:
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llvm_unreachable("Unimplemented");
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case MCSymbolRefExpr::VK_None:
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Type = ELF::R_X86_64_PC32;
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break;
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@ -648,8 +650,6 @@ void ELFObjectWriterImpl::RecordRelocation(const MCAssembler &Asm,
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case llvm::MCSymbolRefExpr::VK_GOTPCREL:
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Type = ELF::R_X86_64_GOTPCREL;
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break;
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default:
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llvm_unreachable("Unimplemented");
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}
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} else {
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switch ((unsigned)Fixup.getKind()) {
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@ -659,6 +659,8 @@ void ELFObjectWriterImpl::RecordRelocation(const MCAssembler &Asm,
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case X86::reloc_pcrel_4byte:
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assert(isInt<32>(Target.getConstant()));
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switch (Modifier) {
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default:
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llvm_unreachable("Unimplemented");
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case MCSymbolRefExpr::VK_None:
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Type = ELF::R_X86_64_32S;
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break;
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@ -668,8 +670,6 @@ void ELFObjectWriterImpl::RecordRelocation(const MCAssembler &Asm,
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case MCSymbolRefExpr::VK_GOTPCREL:
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Type = ELF::R_X86_64_GOTPCREL;
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break;
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default:
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llvm_unreachable("Unimplemented");
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}
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break;
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case FK_Data_4:
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@ -682,7 +682,13 @@ void ELFObjectWriterImpl::RecordRelocation(const MCAssembler &Asm,
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}
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} else {
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if (IsPCRel) {
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Type = ELF::R_386_PC32;
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switch (Modifier) {
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default:
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llvm_unreachable("Unimplemented");
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case MCSymbolRefExpr::VK_PLT:
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Type = ELF::R_386_PLT32;
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break;
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}
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} else {
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switch ((unsigned)Fixup.getKind()) {
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default: llvm_unreachable("invalid fixup kind!");
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@ -692,11 +698,11 @@ void ELFObjectWriterImpl::RecordRelocation(const MCAssembler &Asm,
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case X86::reloc_signed_4byte:
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case X86::reloc_pcrel_4byte:
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switch (Modifier) {
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default:
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llvm_unreachable("Unimplemented");
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case MCSymbolRefExpr::VK_GOTOFF:
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Type = ELF::R_386_GOTOFF;
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break;
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default:
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llvm_unreachable("Unimplemented");
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}
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break;
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case FK_Data_4: Type = ELF::R_386_32; break;
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@ -1,7 +1,7 @@
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// RUN: llvm-mc -filetype=obj -triple i386-pc-linux-gnu %s -o - | elf-dump | FileCheck %s
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// Test that we produce a GOTOFF and that the relocation uses the symbol and not
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// the section.
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// Test that we produce the correct relocation types and that the relocation
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// to .Lfoo uses the symbol and not the section.
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// CHECK: # Symbol 1
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@ -11,10 +11,20 @@
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// CHECK-NEXT: (('r_offset', 2)
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// CHECK-NEXT: ('r_sym', 1)
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// CHECK-NEXT: ('r_type', 9)
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// CHECK-NEXT: ),
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// CHECK-NEXT: # Relocation 1
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// CHECK-NEXT: (('r_offset',
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// CHECK-NEXT: ('r_sym',
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// CHECK-NEXT: ('r_type', 4)
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.text
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bar:
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leal .Lfoo@GOTOFF(%ebx), %eax
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.section .rodata.str1.16,"aMS",@progbits,1
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.global bar2
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bar2:
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calll bar2@PLT
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.section .rodata.str1.16,"aMS",@progbits,1
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.Lfoo:
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.asciz "bool llvm::llvm_start_multithreaded()"
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