# 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