| # REQUIRES: x86 |
| # RUN: llvm-mc -filetype=obj -triple=x86_64-pc-linux %s -o %t.o |
| # RUN: ld.lld %t.o -o %t.out |
| # RUN: llvm-objdump -s %t.out| FileCheck %s --check-prefix=BEFORE |
| |
| # BEFORE: Contents of section .foo: |
| # BEFORE-NEXT: 11223344 556677 |
| # BEFORE: Contents of section .init: |
| # BEFORE-NEXT: 1122 |
| |
| # RUN: echo "_foo4 " > %t_order.txt |
| # RUN: echo " _foo3" >> %t_order.txt |
| # RUN: echo "_nönascii" >> %t_order.txt |
| # RUN: echo "_foo5" >> %t_order.txt |
| # RUN: echo -e " _foo2 \t\v\r\f" >> %t_order.txt |
| # RUN: echo "# a comment" >> %t_order.txt |
| # RUN: echo " " >> %t_order.txt |
| # RUN: echo "_foo4" >> %t_order.txt |
| # RUN: echo "_bar1" >> %t_order.txt |
| # RUN: echo "" >> %t_order.txt |
| # RUN: echo "_foo1" >> %t_order.txt |
| # RUN: echo "_init2" >> %t_order.txt |
| # RUN: echo "_init1" >> %t_order.txt |
| |
| ## Show that both --symbol-ordering-file and --symbol-ordering-file= work. |
| ## Also show that lines beginning with '#', whitespace and empty lines, are ignored. |
| ## Also show that "first one wins" when there are duplicate symbols in the order |
| ## file (a warning will be emitted). |
| # RUN: ld.lld --symbol-ordering-file %t_order.txt %t.o -o %t2.out 2>&1 | \ |
| # RUN: FileCheck %s --check-prefix=WARN --implicit-check-not=warning: |
| # RUN: llvm-objdump -s %t2.out | FileCheck %s --check-prefix=AFTER |
| # RUN: ld.lld --symbol-ordering-file=%t_order.txt %t.o -o %t2.out |
| # RUN: llvm-objdump -s %t2.out | FileCheck %s --check-prefix=AFTER |
| |
| # WARN: warning: {{.*}}.txt: duplicate ordered symbol |
| |
| # AFTER: Contents of section .foo: |
| # AFTER-NEXT: 44337755 662211 |
| # AFTER: Contents of section .init: |
| # AFTER-NEXT: 1122 |
| |
| ## Show that a nonexistent symbol ordering file causes an error. |
| # RUN: not ld.lld --symbol-ordering-file=%t.nonexistent %t.o -o %t3.out 2>&1 | \ |
| # RUN: FileCheck -DMSG=%errc_ENOENT %s --check-prefix=ERR -DFILE=%t.nonexistent |
| |
| # ERR: error: cannot open [[FILE]]: [[MSG]] |
| |
| ## Show that an empty ordering file can be handled (symbols remain in their |
| ## normal order). |
| # RUN: touch %t.empty |
| # RUN: ld.lld --symbol-ordering-file=%t.empty %t.o -o %t4.out |
| # RUN: llvm-objdump -s %t4.out | FileCheck %s --check-prefix=BEFORE |
| |
| .section .foo,"ax",@progbits,unique,1 |
| _foo1: |
| .byte 0x11 |
| |
| .section .foo,"ax",@progbits,unique,2 |
| _foo2: |
| .byte 0x22 |
| |
| .section .foo,"ax",@progbits,unique,3 |
| _foo3: |
| .byte 0x33 |
| |
| .section .foo,"ax",@progbits,unique,4 |
| _foo4: |
| .byte 0x44 |
| |
| .section .foo,"ax",@progbits,unique,5 |
| _foo5: |
| .byte 0x55 |
| _bar1: |
| .byte 0x66 |
| |
| .section .foo,"ax",@progbits,unique,6 |
| "_nönascii": |
| .byte 0x77 |
| |
| .section .init,"ax",@progbits,unique,1 |
| _init1: |
| .byte 0x11 |
| |
| .section .init,"ax",@progbits,unique,2 |
| _init2: |
| .byte 0x22 |
| |
| .text |
| .global _start |
| _start: |
| nop |