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hanchenye-llvm-project/lld/test/ELF/relro.s

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// RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux %s -o %t.o
// RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux %p/Inputs/shared.s -o %t2.o
// RUN: ld.lld -shared %t2.o -o %t2.so
// RUN: ld.lld %t.o %t2.so -z now -z relro -o %t
// RUN: llvm-readobj --program-headers --dynamic-table -t -s -dyn-symbols -section-data %t | FileCheck --check-prefix=FULLRELRO %s
// RUN: ld.lld %t.o %t2.so -z relro -o %t
// RUN: llvm-readobj --program-headers --dynamic-table -t -s -dyn-symbols -section-data %t | FileCheck --check-prefix=PARTRELRO %s
// RUN: ld.lld %t.o %t2.so -z norelro -o %t
// RUN: llvm-readobj --program-headers --dynamic-table -t -s -dyn-symbols -section-data %t | FileCheck --check-prefix=NORELRO %s
// REQUIRES: x86
// FULLRELRO: Section {
// FULLRELRO: Index: 9
// FULLRELRO-NEXT: Name: .got
// FULLRELRO-NEXT: Type: SHT_PROGBITS
// FULLRELRO-NEXT: Flags [
// FULLRELRO-NEXT: SHF_ALLOC
// FULLRELRO-NEXT: SHF_WRITE
// FULLRELRO-NEXT: ]
// FULLRELRO-NEXT: Address: 0x12110
// FULLRELRO-NEXT: Offset: 0x2110
// FULLRELRO-NEXT: Size: 8
// FULLRELRO-NEXT: Link: 0
// FULLRELRO-NEXT: Info: 0
// FULLRELRO-NEXT: AddressAlignment: 8
// FULLRELRO-NEXT: EntrySize: 0
// FULLRELRO-NEXT: SectionData (
// FULLRELRO-NEXT: 0000: 00000000 00000000
// FULLRELRO-NEXT: )
// FULLRELRO-NEXT: }
// FULLRELRO-NEXT: Section {
// FULLRELRO-NEXT: Index: 10
// FULLRELRO-NEXT: Name: .got.plt
// FULLRELRO-NEXT: Type: SHT_PROGBITS
// FULLRELRO-NEXT: Flags [
// FULLRELRO-NEXT: SHF_ALLOC
// FULLRELRO-NEXT: SHF_WRITE
// FULLRELRO-NEXT: ]
// FULLRELRO-NEXT: Address: 0x12118
// FULLRELRO-NEXT: Offset: 0x2118
// FULLRELRO-NEXT: Size: 32
// FULLRELRO-NEXT: Link: 0
// FULLRELRO-NEXT: Info: 0
// FULLRELRO-NEXT: AddressAlignment: 8
// FULLRELRO-NEXT: EntrySize: 0
// FULLRELRO-NEXT: SectionData (
// FULLRELRO-NEXT: 0000:
// FULLRELRO-NEXT: 0010:
// FULLRELRO-NEXT: )
// FULLRELRO-NEXT: }
// FULLRELRO-NEXT: Section {
// FULLRELRO-NEXT: Index: 11
// FULLRELRO-NEXT: Name: .data
// FULLRELRO-NEXT: Type: SHT_PROGBITS
// FULLRELRO-NEXT: Flags [
// FULLRELRO-NEXT: SHF_ALLOC
// FULLRELRO-NEXT: SHF_WRITE
// FULLRELRO-NEXT: ]
// FULLRELRO-NEXT: Address: 0x13000
// FULLRELRO-NEXT: Offset: 0x3000
// FULLRELRO-NEXT: Size: 12
// FULLRELRO-NEXT: Link: 0
// FULLRELRO-NEXT: Info: 0
// FULLRELRO-NEXT: AddressAlignment:
// FULLRELRO-NEXT: EntrySize: 0
// FULLRELRO-NEXT: SectionData (
// FULLRELRO-NEXT: 0000:
// FULLRELRO-NEXT: )
// FULLRELRO-NEXT: }
// FULLRELRO-NEXT: Section {
// FULLRELRO-NEXT: Index: 12
// FULLRELRO-NEXT: Name: .foo
// FULLRELRO-NEXT: Type: SHT_PROGBITS
// FULLRELRO-NEXT: Flags [
// FULLRELRO-NEXT: SHF_ALLOC
// FULLRELRO-NEXT: SHF_WRITE
// FULLRELRO-NEXT: ]
// FULLRELRO-NEXT: Address: 0x1300C
// FULLRELRO-NEXT: Offset: 0x300C
// FULLRELRO-NEXT: Size: 0
// FULLRELRO-NEXT: Link: 0
// FULLRELRO-NEXT: Info: 0
// FULLRELRO-NEXT: AddressAlignment:
// FULLRELRO-NEXT: EntrySize: 0
// FULLRELRO-NEXT: SectionData (
// FULLRELRO-NEXT: )
// FULLRELRO-NEXT: }
// 308 - sizeof(.data)(12) = 296
// FULLRELRO: ProgramHeaders [
// FULLRELRO: Type: PT_LOAD
// FULLRELRO: Offset: 0x2000
// FULLRELRO-NEXT: VirtualAddress: [[RWADDR:.*]]
// FULLRELRO-NEXT: PhysicalAddress:
// FULLRELRO-NEXT: FileSize: 4108
// FULLRELRO-NEXT: MemSize: 4108
// FULLRELRO-NEXT: Flags [
// FULLRELRO-NEXT: PF_R
// FULLRELRO-NEXT: PF_W
// FULLRELRO-NEXT: ]
// FULLRELRO-NEXT: Alignment: 4096
// FULLRELRO-NEXT:}
// FULLRELRO: Type: PT_GNU_RELRO
// FULLRELRO-NEXT: Offset: 0x
// FULLRELRO-NEXT: VirtualAddress: [[RWADDR]]
// FULLRELRO-NEXT: PhysicalAddress:
// FULLRELRO-NEXT: FileSize: 312
// FULLRELRO-NEXT: MemSize: 312
// FULLRELRO-NEXT: Flags [
// FULLRELRO-NEXT: PF_R
// FULLRELRO-NEXT: ]
// FULLRELRO-NEXT: Alignment: 1
// FULLRELRO-NEXT:}
// PARTRELRO: Section {
// PARTRELRO: Index: 9
// PARTRELRO-NEXT: Name: .got
// PARTRELRO-NEXT: Type: SHT_PROGBITS
// PARTRELRO-NEXT: Flags [
// PARTRELRO-NEXT: SHF_ALLOC
// PARTRELRO-NEXT: SHF_WRITE
// PARTRELRO-NEXT: ]
// PARTRELRO-NEXT: Address: 0x120F0
// PARTRELRO-NEXT: Offset: 0x20F0
// PARTRELRO-NEXT: Size: 8
// PARTRELRO-NEXT: Link: 0
// PARTRELRO-NEXT: Info: 0
// PARTRELRO-NEXT: AddressAlignment: 8
// PARTRELRO-NEXT: EntrySize: 0
// PARTRELRO-NEXT: SectionData (
// PARTRELRO-NEXT: 0000:
// PARTRELRO-NEXT: )
// PARTRELRO-NEXT: }
// PARTRELRO-NEXT: Section {
// PARTRELRO-NEXT: Index: 10
// PARTRELRO-NEXT: Name: .data
// PARTRELRO-NEXT: Type: SHT_PROGBITS
// PARTRELRO-NEXT: Flags [
// PARTRELRO-NEXT: SHF_ALLOC
// PARTRELRO-NEXT: SHF_WRITE
// PARTRELRO-NEXT: ]
// PARTRELRO-NEXT: Address: 0x13000
// PARTRELRO-NEXT: Offset: 0x3000
// PARTRELRO-NEXT: Size: 12
// PARTRELRO-NEXT: Link: 0
// PARTRELRO-NEXT: Info: 0
// PARTRELRO-NEXT: AddressAlignment: 1
// PARTRELRO-NEXT: EntrySize: 0
// PARTRELRO-NEXT: SectionData (
// PARTRELRO-NEXT: 0000:
// PARTRELRO-NEXT: )
// PARTRELRO-NEXT: }
// PARTRELRO-NEXT: Section {
// PARTRELRO-NEXT: Index: 11
// PARTRELRO-NEXT: Name: .foo
// PARTRELRO-NEXT: Type: SHT_PROGBITS
// PARTRELRO-NEXT: Flags [
// PARTRELRO-NEXT: SHF_ALLOC
// PARTRELRO-NEXT: SHF_WRITE
// PARTRELRO-NEXT: ]
// PARTRELRO-NEXT: Address: 0x1300C
// PARTRELRO-NEXT: Offset: 0x300C
// PARTRELRO-NEXT: Size: 0
// PARTRELRO-NEXT: Link: 0
// PARTRELRO-NEXT: Info: 0
// PARTRELRO-NEXT: AddressAlignment: 1
// PARTRELRO-NEXT: EntrySize: 0
// PARTRELRO-NEXT: SectionData (
// PARTRELRO-NEXT: )
// PARTRELRO-NEXT: }
// PARTRELRO-NEXT: Section {
// PARTRELRO-NEXT: Index: 12
// PARTRELRO-NEXT: Name: .got.plt
// PARTRELRO-NEXT: Type: SHT_PROGBITS
// PARTRELRO-NEXT: Flags [
// PARTRELRO-NEXT: SHF_ALLOC
// PARTRELRO-NEXT: SHF_WRITE
// PARTRELRO-NEXT: ]
// PARTRELRO-NEXT: Address: 0x13010
// PARTRELRO-NEXT: Offset: 0x3010
// PARTRELRO-NEXT: Size: 32
// PARTRELRO-NEXT: Link: 0
// PARTRELRO-NEXT: Info: 0
// PARTRELRO-NEXT: AddressAlignment: 8
// PARTRELRO-NEXT: EntrySize: 0
// PARTRELRO-NEXT: SectionData (
// PARTRELRO-NEXT: 0000:
// PARTRELRO-NEXT: 0010:
// PARTRELRO-NEXT: )
// PARTRELRO-NEXT: }
// PARTRELRO-NEXT: Section {
// PARTRELRO-NEXT: Index: 13
// PARTRELRO-NEXT: Name: .bss
// PARTRELRO-NEXT: Type: SHT_NOBITS
// PARTRELRO-NEXT: Flags [
// PARTRELRO-NEXT: SHF_ALLOC
// PARTRELRO-NEXT: SHF_WRITE
// PARTRELRO-NEXT: ]
// PARTRELRO-NEXT: Address: 0x13030
// PARTRELRO-NEXT: Offset: 0x3030
// PARTRELRO-NEXT: Size: 0
// PARTRELRO-NEXT: Link: 0
// PARTRELRO-NEXT: Info: 0
// PARTRELRO-NEXT: AddressAlignment: 1
// PARTRELRO-NEXT: EntrySize: 0
// PARTRELRO-NEXT: }
// PARTRELRO: ProgramHeader {
// PARTRELRO: Type: PT_LOAD
// PARTRELRO: Offset: 0x2000
// PARTRELRO-NEXT: VirtualAddress: [[RWADDR:.*]]
// PARTRELRO-NEXT: PhysicalAddress:
// PARTRELRO-NEXT: FileSize: 4144
// PARTRELRO-NEXT: MemSize: 4144
// PARTRELRO-NEXT: Flags [
// PARTRELRO-NEXT: PF_R (0x4)
// PARTRELRO-NEXT: PF_W (0x2)
// PARTRELRO-NEXT: ]
// PARTRELRO-NEXT: Alignment: 4096
// PARTRELRO: Type: PT_GNU_RELRO
// PARTRELRO-NEXT: Offset: 0x2000
// PARTRELRO-NEXT: VirtualAddress: [[RWADDR]]
// PARTRELRO-NEXT: PhysicalAddress:
// PARTRELRO-NEXT: FileSize: 248
// PARTRELRO-NEXT: MemSize: 248
// PARTRELRO-NEXT: Flags [
// PARTRELRO-NEXT: PF_R
// PARTRELRO-NEXT: ]
// PARTRELRO-NEXT: Alignment: 1
// NORELRO: ProgramHeaders [
// NORELRO-NOT: PT_GNU_RELRO
.global _start
_start:
.long bar
jmp *bar2@GOTPCREL(%rip)
.section .data,"aw"
.quad 0
.zero 4
.section .foo,"aw"
.section .bss,"",@nobits
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