# RUN: yaml2obj %s -o %t
# RUN: llvm-objcopy --redefine-sym foo=oof --redefine-sym =wasempty --redefine-sym empty= %t %t2
# RUN: llvm-readobj --symbols %t2 | FileCheck %s
# RUN: echo "  bar   rab #rename bar  " > %t.rename1.txt
# RUN: echo "foo oof #rename foo  " > %t.rename2.txt
# RUN: echo "  empty   ytpme #rename empty  " >> %t.rename2.txt
# RUN: llvm-objcopy --redefine-syms %t.rename1.txt --redefine-syms %t.rename2.txt %t %t4
# RUN: llvm-readobj --symbols %t4 | FileCheck %s --check-prefix=MULTIPLE-FILES

!ELF
FileHeader:
  Class:           ELFCLASS64
  Data:            ELFDATA2LSB
  Type:            ET_EXEC
  Machine:         EM_X86_64
Sections:
  - Name:            .text
    Type:            SHT_PROGBITS
    Flags:           [ SHF_ALLOC, SHF_EXECINSTR ]
    Address:         0x1000
    AddressAlign:    0x0000000000000010
    Content:         "0000000000000000"
  - Name:            .data
    Type:            SHT_PROGBITS
    Flags:           [ SHF_ALLOC ]
    Address:         0x2000
    AddressAlign:    0x0000000000000010
    Content:         "0000000000000000"
Symbols:
  - Name:     foo
    Type:     STT_FUNC
    Section:  .text
    Value:    0x1004
    Binding:  STB_GLOBAL
  - Name:     bar
    Type:     STT_OBJECT
    Section:  .data
    Value:    0x2000
    Size:     4
    Binding:  STB_GLOBAL
  - Name:     empty
    Type:     STT_FUNC
    Section:  .text
    Value:    0x1008
    Binding:  STB_GLOBAL
  - Type:     STT_OBJECT
    Section:  .data
    Value:    0x2008
    Binding:  STB_GLOBAL

#CHECK: Symbols [
#CHECK-NEXT:  Symbol {
#CHECK-NEXT:    Name:
#CHECK-NEXT:    Value: 0x0
#CHECK-NEXT:    Size: 0
#CHECK-NEXT:    Binding: Local
#CHECK-NEXT:    Type: None
#CHECK-NEXT:    Other: 0
#CHECK-NEXT:    Section: Undefined
#CHECK-NEXT:  }
#CHECK-NEXT:  Symbol {
#CHECK-NEXT:    Name: oof
#CHECK-NEXT:    Value: 0x1004
#CHECK-NEXT:    Size: 0
#CHECK-NEXT:    Binding: Global
#CHECK-NEXT:    Type: Function
#CHECK-NEXT:    Other: 0
#CHECK-NEXT:    Section: .text
#CHECK-NEXT:  }
#CHECK-NEXT:  Symbol {
#CHECK-NEXT:    Name: bar
#CHECK-NEXT:    Value: 0x2000
#CHECK-NEXT:    Size: 4
#CHECK-NEXT:    Binding: Global
#CHECK-NEXT:    Type: Object
#CHECK-NEXT:    Other: 0
#CHECK-NEXT:    Section: .data
#CHECK-NEXT:  }
#CHECK-NEXT:  Symbol {
#CHECK-NEXT:    Name: (0)
#CHECK-NEXT:    Value: 0x1008
#CHECK-NEXT:    Size: 0
#CHECK-NEXT:    Binding: Global
#CHECK-NEXT:    Type: Function
#CHECK-NEXT:    Other: 0
#CHECK-NEXT:    Section: .text
#CHECK-NEXT:  }
#CHECK-NEXT:  Symbol {
#CHECK-NEXT:    Name: wasempty
#CHECK-NEXT:    Value: 0x2008
#CHECK-NEXT:    Size: 0
#CHECK-NEXT:    Binding: Global
#CHECK-NEXT:    Type: Object
#CHECK-NEXT:    Other: 0
#CHECK-NEXT:    Section: .data
#CHECK-NEXT:  }

#MULTIPLE-FILES:        Name: oof
#MULTIPLE-FILES-NEXT:   Value: 0x1004
#MULTIPLE-FILES:        Name: rab
#MULTIPLE-FILES-NEXT:   Value: 0x2000
#MULTIPLE-FILES:        Name: ytpme
#MULTIPLE-FILES-NEXT:   Value: 0x1008

## Show that it is not an error if a specified symbol is not present.
# RUN: llvm-objcopy %t2 %t5 --redefine-sym missing=blah
# RUN: cmp %t2 %t5

## Show that --redefine-sym doesn't chain together.
# RUN: llvm-objcopy %t2 %t6 --redefine-sym oof=bob --redefine-sym bob=baz
# RUN: llvm-readobj %t6 --syms | FileCheck %s --check-prefix=CHAIN --implicit-check-not="Name: baz"

# CHAIN: Name: bob