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linkerscript-data-segment-relro.s
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linkerscript-data-segment-relro.s
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# REQUIRES: x86
# RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux %s -o %t1.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: echo "SECTIONS { \
# RUN: .plt : { *(.plt) } \
# RUN: .text : { *(.text) } \
# RUN: . = DATA_SEGMENT_ALIGN (CONSTANT (MAXPAGESIZE), CONSTANT (COMMONPAGESIZE)); \
# RUN: .dynamic : { *(.dynamic) } \
# RUN: .got : { *(.got) } \
# RUN: . = DATA_SEGMENT_RELRO_END (24, .); \
# RUN: .got.plt : { *(.got.plt) } \
# RUN: .data : { *(.data) } \
# RUN: .bss : { *(.bss) } \
# RUN: . = DATA_SEGMENT_END (.); \
# RUN: }" > %t.script
## With relro or without DATA_SEGMENT_RELRO_END just aligns to
## page boundary.
# RUN: ld.lld -z norelro %t1.o %t2.so --script %t.script -o %t
# RUN: llvm-readobj -s %t | FileCheck %s
# RUN: ld.lld -z relro %t1.o %t2.so --script %t.script -o %t2
# RUN: llvm-readobj -s %t2 | FileCheck %s
# CHECK: Section {
# CHECK: Index: 4
# CHECK-NEXT: Name: .got
# CHECK-NEXT: Type: SHT_PROGBITS
# CHECK-NEXT: Flags [
# CHECK-NEXT: SHF_ALLOC
# CHECK-NEXT: SHF_WRITE
# CHECK-NEXT: ]
# CHECK-NEXT: Address: 0x10F0
# CHECK-NEXT: Offset: 0x10F0
# CHECK-NEXT: Size:
# CHECK-NEXT: Link:
# CHECK-NEXT: Info:
# CHECK-NEXT: AddressAlignment:
# CHECK-NEXT: EntrySize:
# CHECK-NEXT: }
# CHECK-NEXT: Section {
# CHECK-NEXT: Index: 5
# CHECK-NEXT: Name: .got.plt
# CHECK-NEXT: Type: SHT_PROGBITS
# CHECK-NEXT: Flags [
# CHECK-NEXT: SHF_ALLOC
# CHECK-NEXT: SHF_WRITE
# CHECK-NEXT: ]
# CHECK-NEXT: Address: 0x2000
# CHECK-NEXT: Offset: 0x2000
# CHECK-NEXT: Size:
# CHECK-NEXT: Link:
# CHECK-NEXT: Info:
# CHECK-NEXT: AddressAlignment:
# CHECK-NEXT: EntrySize:
# CHECK-NEXT: }
.global _start
_start:
.long bar
jmp *bar2@GOTPCREL(%rip)
.section .data,"aw"
.quad 0
.zero 4
.section .foo,"aw"
.section .bss,"",@nobits