lld/test/ELF/defsym.s

   1 # REQUIRES: x86
   2 # RUN: llvm-mc -filetype=obj -triple=x86_64-pc-linux %s -o %t.o
   3 # RUN: ld.lld -o %t %t.o --defsym=foo2=foo1
   4 # RUN: llvm-readelf -s %t | FileCheck %s
   5 # RUN: llvm-objdump -d --print-imm-hex %t | FileCheck %s --check-prefix=USE
   6
   7 ## Check that we accept --defsym foo2=foo1 form.
   8 # RUN: ld.lld -o %t2 %t.o --defsym foo2=foo1
   9 # RUN: llvm-readelf -s %t2 | FileCheck %s
  10 # RUN: llvm-objdump -d --print-imm-hex %t2 | FileCheck %s --check-prefix=USE
  11
  12 ## Check we are reporting the error correctly and don't crash
  13 ## when handling the second --defsym.
  14 # RUN: not ld.lld -o /dev/null %t.o --defsym ERR+ \
  15 #        --defsym foo2=foo1 2>&1 | FileCheck %s --check-prefix=ERR
  16 # ERR: error: --defsym: syntax error: ERR+
  17
  18 # CHECK-DAG: 0000000000000123     0 NOTYPE  GLOBAL DEFAULT   ABS foo1
  19 # CHECK-DAG: 0000000000000123     0 NOTYPE  GLOBAL DEFAULT   ABS foo2
  20
  21 ## Check we can use foo2 and it that it is an alias for foo1.
  22 # USE:       Disassembly of section .text:
  23 # USE-EMPTY:
  24 # USE-NEXT:  <_start>:
  25 # USE-NEXT:    movl $0x123, %edx
  26
  27 # RUN: ld.lld -o %t %t.o --defsym=foo2=1
  28 # RUN: llvm-readelf -s %t | FileCheck %s --check-prefix=ABS
  29
  30 # ABS: 0000000000000123     0 NOTYPE  GLOBAL DEFAULT   ABS foo2
  31
  32 # RUN: ld.lld -o %t %t.o --defsym=foo2=foo1+5
  33 # RUN: llvm-readelf -s %t | FileCheck %s --check-prefix=EXPR
  34
  35 # EXPR-DAG: 0000000000000123     0 NOTYPE  GLOBAL DEFAULT   ABS foo1
  36 # EXPR-DAG: 0000000000000128     0 NOTYPE  GLOBAL DEFAULT   ABS foo2
  37
  38 # RUN: not ld.lld -o /dev/null %t.o --defsym=foo2=und 2>&1 | FileCheck %s -check-prefix=ERR1
  39 # ERR1: error: --defsym:1: symbol not found: und
  40
  41 # RUN: not ld.lld -o /dev/null %t.o --defsym=xxx=yyy,zzz 2>&1 | FileCheck %s -check-prefix=ERR2
  42 # ERR2: error: --defsym:1: EOF expected, but got ,
  43
  44 # RUN: not ld.lld -o /dev/null %t.o --defsym=foo 2>&1 | FileCheck %s -check-prefix=ERR3
  45 # ERR3: error: --defsym: syntax error: foo
  46
  47 # RUN: not ld.lld -o /dev/null %t.o --defsym= 2>&1 | FileCheck %s -check-prefix=ERR4
  48 # ERR4: error: --defsym: syntax error:
  49
  50 .globl foo1
  51  foo1 = 0x123
  52
  53 .global _start
  54 _start:
  55   movl $foo2, %edx