| # REQUIRES: x86 |
| ## Test that -z dead-reloc-in-nonalloc= can customize the tombstone value we |
| ## use for an absolute relocation referencing a discarded symbol. |
| |
| # RUN: llvm-mc -filetype=obj -triple=x86_64 %s -o %t.o |
| # RUN: ld.lld --icf=all -z dead-reloc-in-nonalloc=.debug_info=0xaaaaaaaa \ |
| # RUN: -z dead-reloc-in-nonalloc=.not_debug=0xbbbbbbbb %t.o -o %t |
| # RUN: llvm-objdump -s %t | FileCheck %s --check-prefixes=COMMON,AA |
| ## 0xaaaaaaaa == 2863311530 |
| # RUN: ld.lld --icf=all -z dead-reloc-in-nonalloc=.debug_info=2863311530 \ |
| # RUN: -z dead-reloc-in-nonalloc=.not_debug=0xbbbbbbbb %t.o -o - | cmp %t - |
| |
| # COMMON: Contents of section .debug_addr: |
| # COMMON-NEXT: 0000 [[ADDR:[0-9a-f]+]] 00000000 ffffffff ffffffff |
| |
| # AA: Contents of section .debug_info: |
| # AA-NEXT: 0000 [[ADDR]] 00000000 aaaaaaaa 00000000 |
| # AA: Contents of section .not_debug: |
| # AA-NEXT: 0000 bbbbbbbb |
| |
| ## Specifying zero can get a behavior similar to GNU ld. |
| # RUN: ld.lld --icf=all -z dead-reloc-in-nonalloc=.debug_info=0 %t.o -o %tzero |
| # RUN: llvm-objdump -s %tzero | FileCheck %s --check-prefixes=COMMON,ZERO |
| |
| # ZERO: Contents of section .debug_info: |
| # ZERO-NEXT: 0000 {{[0-9a-f]+}}000 00000000 00000000 00000000 |
| |
| ## Glob works. |
| # RUN: ld.lld --icf=all -z dead-reloc-in-nonalloc='.debug_i*=0xaaaaaaaa' \ |
| # RUN: -z dead-reloc-in-nonalloc='[.]not_debug=0xbbbbbbbb' %t.o -o - | cmp %t - |
| |
| ## If a section matches multiple option. The last option wins. |
| # RUN: ld.lld --icf=all -z dead-reloc-in-nonalloc='.debug_info=1' \ |
| # RUN: -z dead-reloc-in-nonalloc='.debug_i*=0' %t.o -o - | cmp %tzero - |
| |
| ## Test all possible invalid cases. |
| # RUN: not ld.lld -z dead-reloc-in-nonalloc= 2>&1 | FileCheck %s --check-prefix=USAGE |
| # RUN: not ld.lld -z dead-reloc-in-nonalloc=a= 2>&1 | FileCheck %s --check-prefix=USAGE |
| # RUN: not ld.lld -z dead-reloc-in-nonalloc==0 2>&1 | FileCheck %s --check-prefix=USAGE |
| |
| # USAGE: error: -z dead-reloc-in-nonalloc=: expected <section_glob>=<value> |
| |
| # RUN: not ld.lld -z dead-reloc-in-nonalloc=a=-1 2>&1 | FileCheck %s --check-prefix=NON-INTEGER |
| |
| # NON-INTEGER: error: -z dead-reloc-in-nonalloc=: expected a non-negative integer, but got '-1' |
| |
| # RUN: not ld.lld -z dead-reloc-in-nonalloc='['=0 2>&1 | FileCheck %s --check-prefix=INVALID |
| |
| # INVALID: error: -z dead-reloc-in-nonalloc=: invalid glob pattern: [ |
| |
| .globl _start |
| _start: |
| ret |
| |
| ## .text.1 will be folded by ICF. |
| .section .text.1,"ax" |
| ret |
| |
| .section .debug_addr |
| .quad .text+8 |
| .quad .text.1+8 |
| |
| .section .debug_info |
| .quad .text+8 |
| .quad .text.1+8 |
| |
| ## Test a non-.debug_ section. |
| .section .not_debug |
| .long .text.1+8 |