lld/test/ELF/linkerscript/default-script.s

   1 # REQUIRES: x86
   2 # RUN: rm -rf %t && split-file %s %t && cd %t
   3 # RUN: llvm-mc -filetype=obj -triple=x86_64 a.s -o a.o
   4 # RUN: ld.lld --default-script=def.t b.t -T a.t a.o -o out
   5 # RUN: llvm-readelf -Ss out | FileCheck %s
   6
   7 # CHECK:      Name
   8 # CHECK:      .foo2
   9 # CHECK-NEXT: .foo0
  10 # CHECK-NEXT: .foo1
  11 # CHECK:      1: 000000000000000c     0 NOTYPE  GLOBAL DEFAULT     4 _start
  12 # CHECK-NEXT: 2: 000000000000002a     0 NOTYPE  GLOBAL DEFAULT   ABS b
  13 # CHECK-NEXT: 3: 000000000000002a     0 NOTYPE  GLOBAL DEFAULT   ABS a
  14 # CHECK-EMPTY:
  15
  16 ## In the absence of --script options, the default linker script is read.
  17 # RUN: ld.lld --default-script def.t b.t a.o -o out1
  18 # RUN: llvm-readelf -Ss out1 | FileCheck %s --check-prefix=CHECK1
  19 # RUN: ld.lld -dT def.t b.t a.o -o out1a && cmp out1 out1a
  20 ## If multiple -dT options are specified, the last -dT wins.
  21 # RUN: ld.lld -dT a.t -dT def.t b.t a.o -o out1a && cmp out1 out1a
  22
  23 # RUN: mkdir d && cp def.t d/default.t
  24 # RUN: ld.lld -L d -dT default.t b.t a.o -o out1a && cmp out1 out1a
  25
  26 # CHECK1:      Name
  27 # CHECK1:      .foo2
  28 # CHECK1-NEXT: .foo1
  29 # CHECK1-NEXT: .foo0
  30 # CHECK1:      1: 000000000000000c     0 NOTYPE  GLOBAL DEFAULT     4 _start
  31 # CHECK1-NEXT: 2: 000000000000002a     0 NOTYPE  GLOBAL DEFAULT   ABS b
  32 # CHECK1-NEXT: 3: 000000000000002a     0 NOTYPE  GLOBAL DEFAULT   ABS def
  33 # CHECK1-EMPTY:
  34
  35 # RUN: not ld.lld --default-script not-exist.t b.t -T a.t a.o 2>&1 | FileCheck %s --check-prefix=ERR
  36 # ERR: error: cannot find linker script not-exist.t
  37
  38 #--- a.s
  39 .globl _start
  40 _start:
  41
  42 .section .foo0,"a"; .long 0
  43 .section .foo1,"a"; .long 0
  44 .section .foo2,"a"; .long 0
  45
  46 #--- a.t
  47 a = 42;
  48 SECTIONS {
  49   .foo2 : {}
  50   .foo0 : {}
  51   .foo1 : {}
  52 }
  53
  54 #--- b.t
  55 b = 42;
  56
  57 #--- def.t
  58 def = 42;
  59 SECTIONS {
  60   .foo2 : {}
  61   .foo1 : {}
  62   .foo0 : {}
  63 }