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[x86] Support R_386_PC8, R_386_PC16 and R_X86_64_PC8
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@198763 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -57,6 +57,7 @@ unsigned X86ELFObjectWriter::GetRelocType(const MCValue &Target,
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case FK_Data_8: Type = ELF::R_X86_64_PC64; break;
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case FK_Data_4: Type = ELF::R_X86_64_PC32; break;
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case FK_Data_2: Type = ELF::R_X86_64_PC16; break;
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case FK_Data_1: Type = ELF::R_X86_64_PC8; break;
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case FK_PCRel_8:
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assert(Modifier == MCSymbolRefExpr::VK_None);
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@ -160,6 +161,28 @@ unsigned X86ELFObjectWriter::GetRelocType(const MCValue &Target,
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Type = ELF::R_386_GOTPC;
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break;
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case FK_PCRel_1:
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case FK_Data_1:
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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_386_PC8;
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break;
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}
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break;
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case FK_PCRel_2:
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case FK_Data_2:
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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_386_PC16;
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break;
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}
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break;
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case X86::reloc_signed_4byte:
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case FK_PCRel_4:
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case FK_Data_4:
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@ -58,6 +58,10 @@
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// CHECK-NEXT: 0x94 R_386_GOTPC _GLOBAL_OFFSET_TABLE_ 0x0
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// Relocation 26 (und_symbol-bar2) is of type R_386_PC32
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// CHECK-NEXT: 0x9A R_386_PC32 und_symbol 0x0
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// Relocation 27 (und_symbol-bar2) is of type R_386_PC16
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// CHECK-NEXT: 0x9E R_386_PC16 und_symbol 0x0
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// Relocation 28 (und_symbol-bar2) is of type R_386_PC8
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// CHECK-NEXT: 0xA0 R_386_PC8 und_symbol 0x0
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// CHECK-NEXT: }
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// CHECK-NEXT: ]
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@ -120,6 +124,8 @@ bar2:
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addl foo@GOTTPOFF(%edx), %eax
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subl _GLOBAL_OFFSET_TABLE_-bar2, %ebx
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leal und_symbol-bar2(%edx),%ecx
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.word und_symbol-bar2
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.byte und_symbol-bar2
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.section zedsec,"awT",@progbits
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zed:
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@ -22,6 +22,8 @@ bar:
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addq $bar,%rax # R_X86_64_32S
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.quad foo@DTPOFF
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movabsq $baz@TPOFF, %rax
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.word foo-bar
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.byte foo-bar
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// CHECK: Section {
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// CHECK: Name: .rela.text
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@ -45,6 +47,8 @@ bar:
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// CHECK-NEXT: 0x77 R_X86_64_32S .text 0x0
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// CHECK-NEXT: 0x7B R_X86_64_DTPOFF64 foo 0x0
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// CHECK-NEXT: 0x85 R_X86_64_TPOFF64 baz 0x0
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// CHECK-NEXT: 0x8D R_X86_64_PC16 foo 0x8D
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// CHECK-NEXT: 0x8F R_X86_64_PC8 foo 0x8F
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// CHECK-NEXT: ]
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// CHECK-NEXT: }
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