lld/test/ELF/oformat-binary.s

   1 # REQUIRES: x86
   2 # RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux %s -o %t
   3
   4 # RUN: ld.lld -o %t.out %t --oformat=binary
   5 # RUN: od -t x1 -v %t.out | FileCheck %s
   6 # CHECK:      0000000 90 11 22
   7 # CHECK-NEXT: 0000003
   8
   9 ## OUTPUT_FORMAT(binary) selects the binary format as well.
  10 # RUN: echo "OUTPUT_FORMAT(binary)" > %t.script
  11 # RUN: ld.lld -o %t2.out -T %t.script %t
  12 # RUN: od -t x1 -v %t2.out | FileCheck %s
  13 ## More OUTPUT_FORMAT commands are ignored.
  14 # RUN: echo "OUTPUT_FORMAT("binary")OUTPUT_FORMAT(elf64-x86-64)" > %t.script
  15 # RUN: ld.lld -o %t2.out -T %t.script %t
  16 # RUN: od -t x1 -v %t2.out | FileCheck %s
  17
  18 ## --oformat=binary overrides an ELF OUTPUT_FORMAT.
  19 # RUN: echo "OUTPUT_FORMAT(elf64-x86-64) SECTIONS { . = 0x1000; }" > %t.script
  20 # RUN: ld.lld -o %t2.out --script %t.script %t --oformat binary
  21 # RUN: od -t x1 -v %t2.out | FileCheck %s
  22
  23 # RUN: echo "SECTIONS { }" > %t.script
  24 # RUN: ld.lld -o %t2.out --script %t.script %t --oformat binary
  25 # RUN: od -t x1 -v %t2.out | FileCheck %s
  26
  27 ## LMA(.text)=0x100, LMA(.mysec)=0x108. The minimum LMA of all non-empty sections is 0x100.
  28 ## We place an output section at its LMA minus 0x100.
  29 # RUN: echo 'SECTIONS { .text 0x100 : {*(.text)} .mysec ALIGN(8) : {*(.mysec*)} }' > %talign.lds
  30 # RUN: ld.lld -T %talign.lds %t --oformat binary -o %talign
  31 # RUN: od -Ax -t x1 %talign | FileCheck %s --check-prefix=ALIGN --ignore-case
  32
  33 # ALIGN:      000000 90 00 00 00 00 00 00 00 11 22
  34 # ALIGN-NEXT: 00000a
  35
  36 ## The empty section .data is ignored when computing the file size.
  37 # RUN: echo 'SECTIONS { .text : {*(.text .mysec*)} .data 0x100 : {keep = .;}}' > %tempty.lds
  38 # RUN: ld.lld -T %tempty.lds %t --oformat binary -o %tempty
  39 # RUN: od -t x1 %tempty | FileCheck %s
  40
  41 ## NOBITS sections are ignored as well.
  42 ## Also test that SIZEOF_HEADERS evaluates to 0.
  43 # RUN: echo 'SECTIONS { .text : {. += SIZEOF_HEADERS; *(.text .mysec*)} .data 0x100 (NOLOAD) : {BYTE(0)}}' > %tnobits.lds
  44 # RUN: ld.lld -T %tnobits.lds %t --oformat binary -o %tnobits
  45 # RUN: od -t x1 %tnobits | FileCheck %s
  46
  47 ## FIXME .mysec should be placed at file offset 1.
  48 ## This does not work because for a section without PT_LOAD, we consider LMA = VMA.
  49 # RUN: echo 'SECTIONS { .text : {*(.text)} .mysec 0x8 : AT(1) {*(.mysec*)} }' > %tlma.lds
  50 # RUN: ld.lld -T %tlma.lds %t --oformat binary -o %tlma
  51 # RUN: od -Ax -t x1 %tlma | FileCheck %s --check-prefix=ALIGN --ignore-case
  52
  53 # RUN: not ld.lld -o /dev/null %t --oformat foo 2>&1 \
  54 # RUN:   | FileCheck %s --check-prefix ERR
  55 # ERR: unknown --oformat value: foo
  56
  57 # RUN: echo "OUTPUT_FORMAT(binary-freebsd)" > %t.script
  58 # RUN: not ld.lld -T %t.script %t -o /dev/null 2>&1 | FileCheck %s --check-prefix=ERR2
  59 # ERR2: error: {{.*}}.script:1: unknown output format name: binary-freebsd
  60
  61 # RUN: ld.lld -o /dev/null %t --oformat elf
  62 # RUN: ld.lld -o /dev/null %t --oformat=elf-foo
  63
  64 .text
  65 .align 4
  66 .globl _start
  67 _start:
  68  nop
  69
  70 .section        .mysec.1,"ax"
  71 .byte   0x11
  72
  73 .section        .mysec.2,"ax"
  74 .byte   0x22