File: prefix-symbols-remove.test

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llvm-toolchain-19 1%3A19.1.7-3
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# RUN: yaml2obj %s -o %t
# RUN: llvm-objcopy --remove-symbol-prefix __pf_ %t %t2
# RUN: llvm-readelf --symbols %t2 | FileCheck %s

## Show that an empty string is permitted as the argument to
## --remove-symbol-prefix.
# RUN: llvm-objcopy --remove-symbol-prefix= %t2 %t3
# RUN: cmp %t2 %t3

## When both options are present, llvm-objcopy should remove
## prefixes first, before adding prefixes.
# RUN: llvm-objcopy --prefix-symbols=__1_ %t %t4
# RUN: llvm-objcopy --prefix-symbols=__2_ %t %t5
# RUN: llvm-objcopy --remove-symbol-prefix=__1_ --prefix-symbols=__2_ %t4 %t6
# RUN: cmp %t5 %t6

## Show that the last --remove-symbol-prefix option wins.
# RUN: llvm-objcopy --remove-symbol-prefix=__pf_ --remove-symbol-prefix=__ %t %t7
# RUN: llvm-objcopy --remove-symbol-prefix=__ %t %t8
# RUN: cmp %t7 %t8

!ELF
FileHeader:
  Class:           ELFCLASS64
  Data:            ELFDATA2LSB
  Type:            ET_REL
  Machine:         EM_X86_64
Sections:
  - Name:            .text
    Type:            SHT_PROGBITS
    Flags:           [ SHF_ALLOC, SHF_EXECINSTR ]
    Address:         0x1000
    AddressAlign:    0x0000000000000010
    Size:            64
Symbols:
  - Name:     __pf_foo
    Type:     STT_SECTION
    Section:  .text
  - Name:     __pf_bar
    Type:     STT_FILE
    Section:  .text
  - Name:     foobar
    Type:     STT_FUNC
    Section:  .text
    Binding:  STB_GLOBAL
  - Name:     foo__pf_bar1
    Type:     STT_FUNC
    Section:  .text
    Binding:  STB_GLOBAL
  - Name:     __pf_foo__pf_bar2
    Type:     STT_FUNC
    Section:  .text
    Binding:  STB_GLOBAL
  - Name:     undef
    Binding:  STB_GLOBAL

# CHECK:      Symbol table '.symtab' contains 7 entries:
# CHECK-NEXT: Name
# CHECK-NEXT: {{ $}}
# CHECK-NEXT: __pf_foo
# CHECK-NEXT: bar
# CHECK-NEXT: foobar
# CHECK-NEXT: foo__pf_bar1
# CHECK-NEXT: foo__pf_bar2
# CHECK-NEXT: undef