relro-bss.s
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# REQUIRES: x86
# RUN: llvm-mc -filetype=obj -triple=x86_64-pc-linux %s -o %t.o
# RUN: ld.lld %t.o -o %t
# RUN: llvm-readelf -l %t | FileCheck --check-prefix=SEG %s
# RUN: llvm-readelf -S %t | FileCheck %s
# We have 2 RW PT_LOAD segments. p_offset p_vaddr p_paddr p_filesz of the first
# should match PT_GNU_RELRO.
# Because .bss.rel.ro (nobits) doesn't take space, p_filesz < p_memsz.
# Type Offset VirtAddr PhysAddr FileSiz MemSiz Flg Align
# SEG: LOAD 0x0001c8 0x00000000002011c8 0x00000000002011c8 0x000001 0x000001 R E 0x1000
# SEG-NEXT: LOAD 0x0001c9 0x00000000002021c9 0x00000000002021c9 0x000001 0x002001 RW 0x1000
# SEG-NEXT: LOAD 0x0001ca 0x00000000002051ca 0x00000000002051ca 0x000001 0x000002 RW 0x1000
# SEG-NEXT: GNU_RELRO 0x0001c9 0x00000000002021c9 0x00000000002021c9 0x000001 0x002e37 R 0x1
# SEG-NEXT: GNU_STACK 0x000000 0x0000000000000000 0x0000000000000000 0x000000 0x000000 RW 0x0
# SEG: .text
# SEG-NEXT: .data.rel.ro .bss.rel.ro
# SEG-NEXT: .data .bss
# And .data is placed in the next page (sh_offset = alignTo(0x2001, 4096) = 0x3000).
# [Nr] Name Type Address Off Size
# CHECK: .data.rel.ro PROGBITS 00000000002021c9 0001c9 000001
# CHECK-NEXT: .bss.rel.ro NOBITS 00000000002021ca 0001ca 002000
# CHECK-NEXT: .data PROGBITS 00000000002051ca 0001ca 000001
# CHECK-NEXT: .bss NOBITS 00000000002051cb 0001cb 000001
.globl _start
_start:
ret
.section .data.rel.ro, "aw"
.space 1
.section .bss.rel.ro, "aw", @nobits
.space 8192
.section .data, "aw"
.space 1
.section .bss, "aw"
.space 1