1# REQUIRES: x86 2# RUN: llvm-mc -filetype=obj -triple=x86_64 %s -o %t.o 3 4# RUN: ld.lld %t.o -o %t 5# RUN: llvm-readelf -x .init -x .fini -x .init_array -x .fini_array %t | \ 6# RUN: FileCheck --check-prefixes=CHECK,ORDERED %s 7 8# RUN: ld.lld %t.o --shuffle-sections=1 -o %t1 9# RUN: llvm-readelf -x .init -x .fini -x .init_array -x .fini_array %t1 | \ 10# RUN: FileCheck --check-prefixes=CHECK,SHUFFLED %s 11 12## .init and .fini rely on a particular order, e.g. crti.o crtbegin.o crtend.o crtn.o 13## Don't shuffle them. 14# CHECK: Hex dump of section '.init' 15# CHECK-NEXT: 00010203 04050607 08090a0b 16 17# CHECK: Hex dump of section '.fini' 18# CHECK-NEXT: 00010203 04050607 08090a0b 19 20## SHT_INIT_ARRAY/SHT_FINI_ARRAY with explicit priorities are still ordered. 21# CHECK: Hex dump of section '.init_array' 22# CHECK-NEXT: 0x{{[0-9a-f]+}} ff 23# ORDERED-SAME: 000102 03040506 0708090a 0b 24# SHUFFLED-SAME: 04000b 06010a08 09070203 05 25 26# CHECK: Hex dump of section '.fini_array' 27# CHECK-NEXT: 0x{{[0-9a-f]+}} ff 28# ORDERED-SAME: 000102 03040506 0708090a 0b 29# SHUFFLED-SAME: 090401 070b0003 080a0605 02 30 31## With a SECTIONS command, SHT_INIT_ARRAY prirotities are ignored. 32## All .init_array* are shuffled together. 33# RUN: echo 'SECTIONS { \ 34# RUN: .init_array : { *(.init_array*) } \ 35# RUN: .fini_array : { *(.fini_array*) }}' > %t.script 36# RUN: ld.lld -T %t.script %t.o -o %t2 37# RUN: llvm-readelf -x .init -x .fini -x .init_array -x .fini_array %t2 | \ 38# RUN: FileCheck --check-prefixes=CHECK2,ORDERED2 %s 39# RUN: ld.lld -T %t.script %t.o --shuffle-sections=1 -o %t3 40# RUN: llvm-readelf -x .init -x .fini -x .init_array -x .fini_array %t3 | \ 41# RUN: FileCheck --check-prefixes=CHECK2,SHUFFLED2 %s 42 43# CHECK2: Hex dump of section '.init_array' 44# ORDERED2-NEXT: 0x{{[0-9a-f]+}} 00010203 04050607 08090a0b ff 45# SHUFFLED2-NEXT: 0x{{[0-9a-f]+}} 04000b06 010a0809 07ff0203 05 46 47.irp i,0,1,2,3,4,5,6,7,8,9,10,11 48 .section .init,"ax",@progbits,unique,\i 49 .byte \i 50 .section .fini,"ax",@progbits,unique,\i 51 .byte \i 52 .section .init_array,"aw",@init_array,unique,\i 53 .byte \i 54 .section .fini_array,"aw",@fini_array,unique,\i 55 .byte \i 56.endr 57 58.section .init_array.1,"aw",@init_array 59.byte 255 60.section .fini_array.1,"aw",@fini_array 61.byte 255 62