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3828f99ca5
This is a fix for PR26941. When there is both a section and a global definition with the same name, the global wins. Section symbols are not added to the symbol table; section references are left undefined and fixed up in the object writer unless they've been satisfied by some other definition. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@264649 91177308-0d34-0410-b5e6-96231b3b80d8
139 lines
3.4 KiB
ArmAsm
139 lines
3.4 KiB
ArmAsm
// RUN: llvm-mc -filetype=obj -triple x86_64-pc-linux-gnu %s -o - | llvm-readobj -t -r --expand-relocs | FileCheck %s
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// Local symbol overriding section.
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.section x1,"a",@progbits
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.local x1
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.comm x1,4,4
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.long x1 // reloc: .bss + 0
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// Section declared after local. Local symbol wins.
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.local x2
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.comm x2,4,4
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.section x2,"a",@progbits
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.long x2 // reloc: .bss + 4
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// No overriding symbol.
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.section x3,"a",@progbits
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.long x3 // reloc: x3(section) + 0
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// Global vs section.
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.section x4,"a",@progbits
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.long 0
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.globl x4
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.section foo, "a", @progbits
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x4:
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.long 0
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.long x4 // reloc: x4(global) + 0
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// Global vs implicit section
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.globl .data
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.data:
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.long 42
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.long .data // reloc: .data(global) + 0
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// CHECK: Relocations [
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// CHECK: Section (4) .relax1 {
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// CHECK: Relocation {
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// CHECK: Offset: 0x0
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// CHECK: Type: R_X86_64_32 (10)
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// CHECK: Symbol: .bss (3)
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// CHECK: Addend: 0x0
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// CHECK: }
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// CHECK: }
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// CHECK: Section (7) .relax2 {
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// CHECK: Relocation {
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// CHECK: Offset: 0x0
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// CHECK: Type: R_X86_64_32 (10)
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// CHECK: Symbol: .bss (3)
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// CHECK: Addend: 0x4
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// CHECK: }
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// CHECK: }
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// CHECK: Section (9) .relax3 {
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// CHECK: Relocation {
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// CHECK: Offset: 0x0
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// CHECK: Type: R_X86_64_32 (10)
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// CHECK: Symbol: x3 (4)
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// CHECK: Addend: 0x0
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// CHECK: }
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// CHECK: }
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// CHECK: Section (12) .relafoo {
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// CHECK: Relocation {
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// CHECK: Offset: 0x4
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// CHECK: Type: R_X86_64_32 (10)
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// CHECK: Symbol: x4 (6)
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// CHECK: Addend: 0x0
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// CHECK: }
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// CHECK: Relocation {
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// CHECK: Offset: 0xC
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// CHECK: Type: R_X86_64_32 (10)
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// CHECK: Symbol: .data (5)
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// CHECK: Addend: 0x0
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// CHECK: }
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// CHECK: }
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// CHECK: ]
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// CHECK: Symbols [
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// CHECK: Symbol {
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// CHECK: Name: (0)
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// CHECK: Value: 0x0
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// CHECK: Size: 0
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// CHECK: Binding: Local (0x0)
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// CHECK: Type: None (0x0)
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// CHECK: Other: 0
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// CHECK: Section: Undefined (0x0)
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// CHECK: }
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// CHECK: Symbol {
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// CHECK: Name: x1 (67)
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// CHECK: Value: 0x0
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// CHECK: Size: 4
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// CHECK: Binding: Local (0x0)
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// CHECK: Type: Object (0x1)
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// CHECK: Other: 0
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// CHECK: Section: .bss (0x5)
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// CHECK: }
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// CHECK: Symbol {
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// CHECK: Name: x2 (59)
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// CHECK: Value: 0x4
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// CHECK: Size: 4
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// CHECK: Binding: Local (0x0)
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// CHECK: Type: Object (0x1)
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// CHECK: Other: 0
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// CHECK: Section: .bss (0x5)
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// CHECK: }
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// CHECK: Symbol {
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// CHECK: Name: (0)
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// CHECK: Value: 0x0
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// CHECK: Size: 0
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// CHECK: Binding: Local (0x0)
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// CHECK: Type: Section (0x3)
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// CHECK: Other: 0
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// CHECK: Section: .bss (0x5)
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// CHECK: }
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// CHECK: Symbol {
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// CHECK: Name: (0)
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// CHECK: Value: 0x0
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// CHECK: Size: 0
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// CHECK: Binding: Local (0x0)
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// CHECK: Type: Section (0x3)
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// CHECK: Other: 0
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// CHECK: Section: x3 (0x8)
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// CHECK: }
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// CHECK: Symbol {
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// CHECK: Name: .data (37)
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// CHECK: Value: 0x8
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// CHECK: Size: 0
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// CHECK: Binding: Global (0x1)
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// CHECK: Type: None (0x0)
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// CHECK: Other: 0
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// CHECK: Section: foo (0xB)
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// CHECK: }
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// CHECK: Symbol {
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// CHECK: Name: x4 (43)
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// CHECK: Value: 0x0
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// CHECK: Size: 0
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// CHECK: Binding: Global (0x1)
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// CHECK: Type: None (0x0)
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// CHECK: Other: 0
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// CHECK: Section: foo (0xB)
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// CHECK: }
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// CHECK: ]
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