| # REQUIRES: x86 |
| # RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux %s -o %t |
| |
| ## Check that padding of executable sections are filled with trap bytes if not |
| ## otherwise specified in the script. |
| # RUN: echo "SECTIONS { .exec : { *(.exec*) } }" > %t.script |
| # RUN: ld.lld -o %t.out --script %t.script %t |
| # RUN: llvm-objdump -s %t.out | FileCheck %s --check-prefix=EXEC |
| # EXEC: 0000 66cccccc cccccccc cccccccc cccccccc |
| # EXEC-NEXT: 0010 66 |
| |
| ## Check that a fill expression or command overrides the default filler... |
| # RUN: echo "SECTIONS { .exec : { *(.exec*) }=0x11223344 }" > %t2.script |
| # RUN: ld.lld -o %t2.out --script %t2.script %t |
| # RUN: llvm-objdump -s %t2.out | FileCheck %s --check-prefix=OVERRIDE |
| # RUN: echo "SECTIONS { .exec : { FILL(0x11223344); *(.exec*) } }" > %t3.script |
| # RUN: ld.lld -o %t3.out --script %t3.script %t |
| # RUN: llvm-objdump -s %t3.out | FileCheck %s --check-prefix=OVERRIDE |
| # OVERRIDE: Contents of section .exec: |
| # OVERRIDE-NEXT: 0000 66112233 44112233 44112233 44112233 |
| # OVERRIDE-NEXT: 0010 66 |
| |
| ## ...even for a value of zero. |
| # RUN: echo "SECTIONS { .exec : { *(.exec*) }=0x00000000 }" > %t4.script |
| # RUN: ld.lld -o %t4.out --script %t4.script %t |
| # RUN: llvm-objdump -s %t4.out | FileCheck %s --check-prefix=ZERO |
| # RUN: echo "SECTIONS { .exec : { FILL(0x00000000); *(.exec*) } }" > %t5.script |
| # RUN: ld.lld -o %t5.out --script %t5.script %t |
| # RUN: llvm-objdump -s %t5.out | FileCheck %s --check-prefix=ZERO |
| # ZERO: Contents of section .exec: |
| # ZERO-NEXT: 0000 66000000 00000000 00000000 00000000 |
| # ZERO-NEXT: 0010 66 |
| |
| .section .exec.1,"ax" |
| .align 16 |
| .byte 0x66 |
| |
| .section .exec.2,"ax" |
| .align 16 |
| .byte 0x66 |