derek.holloway
7502bf64a4
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55 lines
1.9 KiB
ArmAsm
55 lines
1.9 KiB
ArmAsm
// REQUIRES: x86
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// Reserve space for copy relocations of read-only symbols in .bss.rel.ro
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// RUN: llvm-mc -filetype=obj -triple=x86_64-pc-linux %s -o %t.o
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// RUN: llvm-mc -filetype=obj -triple=x86_64-pc-linux %p/Inputs/relocation-copy-relro.s -o %t2.o
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// RUN: ld.lld -shared %t2.o -soname=so -o %t.so
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// RUN: ld.lld %t.o %t.so -o %t3
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// RUN: llvm-readobj -S -l -r %t3 | FileCheck %s
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/// Due to -z rodynamic, The only RELRO section is .bss.rel.ro. Test that we
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/// still append the .relro_padding section.
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// RUN: ld.lld -z rodynamic %t.o %t.so -o %t4
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// RUN: llvm-readelf -S -l %t4 | FileCheck %s --check-prefix=CHECK2
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// CHECK: Name: .bss.rel.ro
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// CHECK-NEXT: Type: SHT_NOBITS (0x8)
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// CHECK-NEXT: Flags [ (0x3)
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// CHECK-NEXT: SHF_ALLOC (0x2)
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// CHECK-NEXT: SHF_WRITE (0x1)
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// CHECK-NEXT: ]
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// CHECK-NEXT: Address: 0x202368
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// CHECK-NEXT: Offset: 0x368
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// CHECK-NEXT: Size: 8
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// CHECK: Type: PT_GNU_RELRO (0x6474E552)
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// CHECK-NEXT: Offset: 0x2A8
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// CHECK-NEXT: VirtualAddress: 0x2022A8
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// CHECK-NEXT: PhysicalAddress: 0x2022A8
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// CHECK-NEXT: FileSize: 192
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// CHECK-NEXT: MemSize: 3416
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// CHECK: 0x202368 R_X86_64_COPY a 0x0
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// CHECK: 0x20236C R_X86_64_COPY b 0x0
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// CHECK2: LOAD 0x000356 0x0000000000202356 0x0000000000202356 0x000000 0x000caa RW 0x1000
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// CHECK2: DYNAMIC 0x000258 0x0000000000200258 0x0000000000200258 0x0000b0 0x0000b0 R 0x8
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// CHECK2: GNU_RELRO 0x000356 0x0000000000202356 0x0000000000202356 0x000000 0x000caa R 0x1
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// CHECK2: Section to Segment mapping:
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// CHECK2-NEXT: Segment Sections...
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// CHECK2-NEXT: 00
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// CHECK2-NEXT: 01 .dynsym .gnu.hash .hash .dynamic .dynstr .rela.dyn
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// CHECK2-NEXT: 02 .text
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// CHECK2-NEXT: 03 .bss.rel.ro .relro_padding
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// CHECK2-NEXT: 04 .dynamic
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// CHECK2-NEXT: 05 .bss.rel.ro .relro_padding
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// CHECK2-NEXT: 06
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.text
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.global _start
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_start:
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movl $1, a
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movl $2, b
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