1# REQUIRES: x86 2# RUN: rm -rf %t && split-file %s %t 3# RUN: llvm-mc -filetype=obj -triple=x86_64 %t/a.s -o %t/a.o 4# RUN: llvm-mc -filetype=obj -triple=x86_64 %p/Inputs/shared.s -o %t/b.o 5# RUN: ld.lld -shared -soname=b %t/b.o -o %t/b.so 6 7## With relro or without DATA_SEGMENT_RELRO_END just aligns to 8## page boundary. 9 10# RUN: ld.lld --hash-style=sysv -z max-page-size=65536 -z norelro %t/a.o %t/b.so -T %t/1.t -o %t/a1 11# RUN: llvm-readelf -S -l %t/a1 | FileCheck %s --check-prefixes=CHECK,CHECK1 12 13# RUN: ld.lld --hash-style=sysv -z max-page-size=65536 -z relro --orphan-handling=warn \ 14# RUN: %t/a.o %t/b.so -T %t/1.t -o %t/a2 2>&1 | FileCheck %s --check-prefix=WARN 15# RUN: llvm-readelf -S -l %t/a2 | FileCheck %s --check-prefixes=CHECK,CHECK2 16 17# WARN: warning: <internal>:(.dynsym) is being placed in '.dynsym' 18# WARN-NOT: (.relro_padding) 19 20# CHECK: Name Type Address Off Size ES Flg 21# CHECK-NEXT: NULL {{.*}} 22# CHECK: .orphan.ro PROGBITS {{.*}} A 23# CHECK: .dynamic DYNAMIC {{.*}} WA 24# CHECK-NEXT: __libc_atexit PROGBITS {{.*}} WA 25# CHECK-NEXT: .got PROGBITS {{.*}} WA 26# CHECK2-NEXT:.relro_padding NOBITS 0000000000010100 010100 000f00 00 WA 27# CHECK-NEXT: .got.plt PROGBITS {{.*}} WA 28# CHECK: .orphan.rw PROGBITS {{.*}} WA 29 30# CHECK1: Program Headers: 31# CHECK1-NOT: GNU_RELRO 32 33# CHECK2: Program Headers: 34# CHECK2-NEXT: Type Offset VirtAddr PhysAddr FileSiz MemSiz Flg Align 35# CHECK2-NEXT: PHDR 0x000040 36# CHECK2-NEXT: LOAD 0x000000 37# CHECK2-NEXT: LOAD 0x0002b0 38# CHECK2-NEXT: LOAD 0x010000 0x0000000000010000 0x0000000000010000 0x000100 0x001000 RW 0x10000 39# CHECK2-NEXT: LOAD 0x020000 0x0000000000020000 0x0000000000020000 0x000034 0x000034 RW 0x10000 40# CHECK2-NEXT: DYNAMIC 0x010000 0x0000000000010000 0x0000000000010000 0x0000f0 0x0000f0 RW 0x8 41# CHECK2-NEXT: GNU_RELRO 0x010000 0x0000000000010000 0x0000000000010000 0x000100 0x001000 R 0x1 42# CHECK2-NEXT: GNU_STACK 0x000000 43 44# CHECK2: Section to Segment mapping: 45# CHECK2: 06 .dynamic __libc_atexit .got .relro_padding {{$}} 46 47# RUN: sed '/DATA_SEGMENT_RELRO_END/d' %t/1.t > %t/2.t 48# RUN: not ld.lld %t/a.o %t/b.so -T %t/2.t -o /dev/null 2>&1 | FileCheck %s --check-prefix=ERR 49 50# ERR: error: section: .got is not contiguous with other relro sections 51 52#--- a.s 53.global _start 54_start: 55 .long bar 56 jmp *bar2@GOTPCREL(%rip) 57 58.section .data,"aw" 59.quad 0 60 61.zero 4 62.section .foo,"aw" 63.section .bss,"",@nobits 64 65.section __libc_atexit,"aw",@progbits 66.dc.a __libc_atexit 67 68.section .orphan.ro,"a",@progbits 69.dc.a 0 70 71.section .orphan.rw,"aw",@progbits 72.dc.a .orphan.rw 73 74#--- 1.t 75SECTIONS { 76 . = SIZEOF_HEADERS; 77 78 .plt : { *(.plt) } 79 .text : { *(.text) } 80 81 . = DATA_SEGMENT_ALIGN (CONSTANT (MAXPAGESIZE), CONSTANT (COMMONPAGESIZE)); 82 83 .dynamic : { *(.dynamic) } 84 ## The custom section __libc_atexit is made relro. 85 __libc_atexit : { *(__libc_atexit) } 86 .got : { *(.got) } 87 88 . = DATA_SEGMENT_RELRO_END (1 ? 24 : 0, .); 89 90 .got.plt : { *(.got.plt) } 91 .data : { *(.data) } 92 .bss : { *(.bss) } 93 94 . = DATA_SEGMENT_END (.); 95 96 .comment 0 : { *(.comment) } 97} 98