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9f299abc05
Section symbols exist as an optimization: instead of having multiple relocations point to different symbols, many of them can point to a single section symbol. When that optimization is unused, a section symbol is also unused and adds no extra information to the object file. This saves a bit of space on the object files and makes the output of llvm-objdump -t easier to read and consequently some tests get quite a bit simpler. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239045 91177308-0d34-0410-b5e6-96231b3b80d8
94 lines
2.7 KiB
ArmAsm
94 lines
2.7 KiB
ArmAsm
// RUN: llvm-mc -filetype=obj -triple x86_64-pc-linux-gnu %s -o - | llvm-readobj -s -t -r --expand-relocs | FileCheck %s
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.section foo, "aG", @progbits, f1, comdat
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.section foo, "G", @progbits, f2, comdat
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.section bar
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.long foo
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// Test that the relocation points to the first section foo.
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// The first seciton foo has index 6
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// CHECK: Section {
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// CHECK: Index: 6
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// CHECK-NEXT: Name: foo (28)
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// CHECK-NEXT: Type: SHT_PROGBITS (0x1)
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// CHECK-NEXT: Flags [ (0x202)
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// CHECK-NEXT: SHF_ALLOC (0x2)
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// CHECK-NEXT: SHF_GROUP (0x200)
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// CHECK-NEXT: ]
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// CHECK-NEXT: Address: 0x0
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// CHECK-NEXT: Offset:
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// CHECK-NEXT: Size: 0
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// CHECK-NEXT: Link: 0
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// CHECK-NEXT: Info: 0
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// CHECK-NEXT: AddressAlignment: 1
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// CHECK-NEXT: EntrySize: 0
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// CHECK-NEXT: }
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// CHECK: Section {
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// CHECK: Index: 8
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// CHECK-NEXT: Name: foo (28)
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// CHECK-NEXT: Type: SHT_PROGBITS (0x1)
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// CHECK-NEXT: Flags [ (0x200)
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// CHECK-NEXT: SHF_GROUP (0x200)
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// CHECK-NEXT: ]
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// CHECK-NEXT: Address: 0x0
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// CHECK-NEXT: Offset:
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// CHECK-NEXT: Size: 0
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// CHECK-NEXT: Link: 0
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// CHECK-NEXT: Info: 0
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// CHECK-NEXT: AddressAlignment: 1
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// CHECK-NEXT: EntrySize: 0
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// CHECK-NEXT: }
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// The relocation points to symbol 3
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// CHECK: Relocations [
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// CHECK-NEXT: Section ({{.*}}) .relabar {
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// CHECK-NEXT: Relocation {
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// CHECK-NEXT: Offset: 0x0
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// CHECK-NEXT: Type: R_X86_64_32 (10)
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// CHECK-NEXT: Symbol: foo (3)
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// CHECK-NEXT: Addend: 0x0
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// CHECK-NEXT: }
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// CHECK-NEXT: }
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// CHECK-NEXT: ]
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// Symbol 3 is section 6
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// CHECK: Symbols [
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// CHECK-NEXT: Symbol {
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// CHECK-NEXT: Name: (0)
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// CHECK-NEXT: Value: 0x0
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// CHECK-NEXT: Size: 0
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// CHECK-NEXT: Binding: Local (0x0)
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// CHECK-NEXT: Type: None (0x0)
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// CHECK-NEXT: Other: 0
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// CHECK-NEXT: Section: Undefined (0x0)
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// CHECK-NEXT: }
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// CHECK-NEXT: Symbol {
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// CHECK-NEXT: Name: f1 (57)
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// CHECK-NEXT: Value: 0x0
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// CHECK-NEXT: Size: 0
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// CHECK-NEXT: Binding: Local (0x0)
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// CHECK-NEXT: Type: None (0x0)
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// CHECK-NEXT: Other: 0
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// CHECK-NEXT: Section: .group (0x5)
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// CHECK-NEXT: }
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// CHECK-NEXT: Symbol {
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// CHECK-NEXT: Name: f2 (54)
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// CHECK-NEXT: Value: 0x0
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// CHECK-NEXT: Size: 0
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// CHECK-NEXT: Binding: Local (0x0)
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// CHECK-NEXT: Type: None (0x0)
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// CHECK-NEXT: Other: 0
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// CHECK-NEXT: Section: .group (0x7)
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// CHECK-NEXT: }
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// CHECK-NEXT: Symbol {
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// CHECK-NEXT: Name: (0)
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// CHECK-NEXT: Value: 0x0
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// CHECK-NEXT: Size: 0
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// CHECK-NEXT: Binding: Local (0x0)
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// CHECK-NEXT: Type: Section (0x3)
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// CHECK-NEXT: Other: 0
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// CHECK-NEXT: Section: foo (0x6)
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// CHECK-NEXT: }
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// CHECK-NEXT: ]
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