lld/test/ELF/linkerscript/wildcards.s

   1 # REQUIRES: x86
   2 # RUN: split-file %s %t
   3 # RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux %t/asm -o %t.o
   4
   5 ## Default case: abc and abx included in text.
   6 # RUN: echo "SECTIONS { \
   7 # RUN:      .text : { *(.abc .abx) } }" > %t.script
   8 # RUN: ld.lld -o %t.out --script %t.script %t.o
   9 # RUN: llvm-objdump --section-headers %t.out | \
  10 # RUN:   FileCheck -check-prefix=SEC-DEFAULT %s
  11 # SEC-DEFAULT:      Sections:
  12 # SEC-DEFAULT-NEXT: Idx Name          Size
  13 # SEC-DEFAULT-NEXT:   0               00000000
  14 # SEC-DEFAULT-NEXT:   1 .text         00000008
  15 # SEC-DEFAULT-NEXT:   2 .abcd         00000004
  16 # SEC-DEFAULT-NEXT:   3 .ad           00000004
  17 # SEC-DEFAULT-NEXT:   4 .ag           00000004
  18 # SEC-DEFAULT-NEXT:   5 .comment      00000008 {{[0-9a-f]*}}
  19 # SEC-DEFAULT-NEXT:   6 .symtab       00000030
  20 # SEC-DEFAULT-NEXT:   7 .shstrtab     00000038
  21 # SEC-DEFAULT-NEXT:   8 .strtab       00000008
  22
  23 ## Now replace the symbol with '?' and check that results are the same.
  24 # RUN: echo "SECTIONS { \
  25 # RUN:      .text : { *(.abc .ab?) } }" > %t.script
  26 # RUN: ld.lld -o %t.out --script %t.script %t.o
  27 # RUN: llvm-objdump --section-headers %t.out | \
  28 # RUN:   FileCheck -check-prefix=SEC-DEFAULT %s
  29
  30 ## Now see how replacing '?' with '*' will consume whole abcd.
  31 # RUN: echo "SECTIONS { \
  32 # RUN:      .text : { *(.abc .ab*) } }" > %t.script
  33 # RUN: ld.lld -o %t.out --script %t.script %t.o
  34 # RUN: llvm-objdump --section-headers %t.out | \
  35 # RUN:   FileCheck -check-prefix=SEC-ALL %s
  36 # SEC-ALL:      Sections:
  37 # SEC-ALL-NEXT: Idx Name          Size
  38 # SEC-ALL-NEXT:   0               00000000
  39 # SEC-ALL-NEXT:   1 .text         0000000c
  40 # SEC-ALL-NEXT:   2 .ad           00000004
  41 # SEC-ALL-NEXT:   3 .ag           00000004
  42 # SEC-ALL-NEXT:   4 .comment      00000008
  43 # SEC-ALL-NEXT:   5 .symtab       00000030
  44 # SEC-ALL-NEXT:   6 .shstrtab     00000032
  45 # SEC-ALL-NEXT:   7 .strtab       00000008
  46
  47 ## All sections started with .a are merged.
  48 # RUN: echo "SECTIONS { \
  49 # RUN:      .text : { *(.a*) } }" > %t.script
  50 # RUN: ld.lld -o %t.out --script %t.script %t.o
  51 # RUN: llvm-objdump --section-headers %t.out | \
  52 # RUN:   FileCheck -check-prefix=SEC-NO %s
  53 # SEC-NO: Sections:
  54 # SEC-NO-NEXT: Idx Name          Size
  55 # SEC-NO-NEXT:   0               00000000
  56 # SEC-NO-NEXT:   1 .text         00000014
  57 # SEC-NO-NEXT:   2 .comment      00000008
  58 # SEC-NO-NEXT:   3 .symtab       00000030
  59 # SEC-NO-NEXT:   4 .shstrtab     0000002a
  60 # SEC-NO-NEXT:   5 .strtab       00000008
  61
  62 #--- asm
  63 .text
  64 .section .abc,"ax",@progbits
  65 .long 0
  66
  67 .text
  68 .section .abx,"ax",@progbits
  69 .long 0
  70
  71 .text
  72 .section .abcd,"ax",@progbits
  73 .long 0
  74
  75 .text
  76 .section .ad,"ax",@progbits
  77 .long 0
  78
  79 .text
  80 .section .ag,"ax",@progbits
  81 .long 0
  82
  83
  84 .globl _start
  85 _start:
  86
  87 #--- lparen.lds
  88 ## ( is recognized as a section name pattern. Note, ( is rejected by GNU ld.
  89 # RUN: ld.lld -T %t/lparen.lds %t.o -o %t.out
  90 # RUN: llvm-objdump --section-headers %t.out | FileCheck --check-prefix=SEC-NO %s
  91 SECTIONS {
  92  .text : { *(.a* ( ) }
  93 }