## ELF section symbols use the corresponding section names when printing
## unnamed symbols. This test verifies this and also that appropriate things
## are printed if the section is somehow invalid.

# RUN: yaml2obj %s -o %t1
# RUN: llvm-readobj %t1 --symbols --relocations 2>&1 | \
# RUN:   FileCheck %s -DFILE=%t1 --check-prefix=LLVM1 --implicit-check-not="warning:"
# RUN: llvm-readelf %t1 --symbols --relocations 2>&1 | \
# RUN:   FileCheck %s -DFILE=%t1 --check-prefix=GNU1 --implicit-check-not="warning:"

# LLVM1:      Relocations [
# LLVM1-NEXT:   Section (4) .rela.foo {
# LLVM1-NEXT:     0x1 R_X86_64_NONE .foo 0x0
# LLVM1-NEXT:     0x2 R_X86_64_NONE symbol1 0x0
# LLVM1-NEXT: warning: '[[FILE]]': invalid section index: 67
# LLVM1-NEXT:     0x3 R_X86_64_NONE <section 67> 0x0
# LLVM1-NEXT:     0x4 R_X86_64_NONE symbol2 0x0
# LLVM1-NEXT:     0x5 R_X86_64_NONE .bar 0x0
# LLVM1-NEXT:     0x6 R_X86_64_NONE symbol3 0x0
# LLVM1-NEXT: warning: '[[FILE]]': invalid section index: 66
# LLVM1-NEXT:     0x7 R_X86_64_NONE <section 66> 0x0
# LLVM1-NEXT:     0x8 R_X86_64_NONE symbol4 0x0
# LLVM1-NEXT:   }
# LLVM1-NEXT: ]

# LLVM1: Name: (0)
# LLVM1: Name: .foo (0)
# LLVM1: Name: symbol1 (25)
# LLVM1: Name: <section 67> (0)
# LLVM1: Name: symbol2 (17)
# LLVM1: Name: .bar (0)
# LLVM1: Name: symbol3 (9)
# LLVM1: Name: <section 66> (0)
# LLVM1: Name: symbol4 (1)

# GNU1:      Relocation section '.rela.foo' at offset 0x58 contains 8 entries:
# GNU1-NEXT:  Offset     Info    Type         Sym. Value  Symbol's Name + Addend
# GNU1-NEXT: 00000001  00000100 R_X86_64_NONE   00000000   .foo + 0
# GNU1-NEXT: 00000002  00000200 R_X86_64_NONE   00000000   symbol1 + 0
# GNU1-NEXT: warning: '[[FILE]]': invalid section index: 67
# GNU1-NEXT: 00000003  00000300 R_X86_64_NONE   00000000   <section 67> + 0
# GNU1-NEXT: 00000004  00000400 R_X86_64_NONE   00000000   symbol2 + 0
# GNU1-NEXT: 00000005  00000500 R_X86_64_NONE   00000000   .bar + 0
# GNU1-NEXT: 00000006  00000600 R_X86_64_NONE   00000000   symbol3 + 0
# GNU1-NEXT: warning: '[[FILE]]': invalid section index: 66
# GNU1-NEXT: 00000007  00000700 R_X86_64_NONE   00000000   <section 66> + 0
# GNU1-NEXT: 00000008  00000800 R_X86_64_NONE   00000000   symbol4 + 0

# GNU1:      Symbol table '.symtab' contains 9 entries:
# GNU1-NEXT:    Num: {{.*}} Type    {{.*}} Ndx Name
# GNU1-NEXT:      0: {{.*}} NOTYPE  {{.*}} UND {{$}}
# GNU1-NEXT:      1: {{.*}} SECTION {{.*}}  1 .foo
# GNU1-NEXT:      2: {{.*}} SECTION {{.*}}  1 symbol1
# GNU1-NEXT:      3: {{.*}} SECTION {{.*}} 67 <section 67>
# GNU1-NEXT:      4: {{.*}} SECTION {{.*}} 67 symbol2
# GNU1-NEXT:      5: {{.*}} SECTION {{.*}}  2 .bar
# GNU1-NEXT:      6: {{.*}} SECTION {{.*}}  2 symbol3
# GNU1-NEXT:      7: {{.*}} SECTION {{.*}} 66 <section 66>
# GNU1-NEXT:      8: {{.*}} SECTION {{.*}} 66 symbol4

--- !ELF
FileHeader:
  Class:   ELFCLASS32
  Data:    ELFDATA2LSB
  Type:    ET_REL
  Machine: EM_X86_64
Sections:
  - Name: .foo
    Type: SHT_PROGBITS
  - Name: .bar
    Type: SHT_PROGBITS
  - Name: .symtab_shndx
    Type: SHT_SYMTAB_SHNDX
    Link: .symtab
    Entries: [ 0, 0, 0, 0, 0, 2, 2, 0x42, 0x42 ]
  - Name: .rela.foo
    Type: SHT_RELA
    Link: .symtab
    Info: .foo
    Relocations:
      - Offset: 0x1
        Symbol: 1
        Type:   R_X86_64_NONE
      - Offset: 0x2
        Symbol: 2
        Type:   R_X86_64_NONE
      - Offset: 0x3
        Symbol: 3
        Type:   R_X86_64_NONE
      - Offset: 0x4
        Symbol: 4
        Type:   R_X86_64_NONE
      - Offset: 0x5
        Symbol: 5
        Type:   R_X86_64_NONE
      - Offset: 0x6
        Symbol: 6
        Type:   R_X86_64_NONE
      - Offset: 0x7
        Symbol: 7
        Type:   R_X86_64_NONE
      - Offset: 0x8
        Symbol: 8
        Type:   R_X86_64_NONE
Symbols:
## Case 1: a valid unnamed section symbol.
  - Name: ""
    Section: .foo
    Type: STT_SECTION
## Case 2: a valid named section symbol.
  - Name: "symbol1"
    Section: .foo
    Type: STT_SECTION
## Case 3: an unnamed section symbol with invalid index.
  - Name: ""
    Index: 0x43
    Type: STT_SECTION
## Case 4: a named section symbol with invalid index.
  - Name: "symbol2"
    Index: 0x43
    Type: STT_SECTION
## Case 5: a valid unnamed section symbol via SHT_SYMTAB_SHNDX.
  - Name: ""
    Index: SHN_XINDEX
    Type: STT_SECTION
## Case 6: a valid named section symbol via SHT_SYMTAB_SHNDX.
  - Name: "symbol3"
    Index: SHN_XINDEX
    Type: STT_SECTION
## Case 7: a unnamed section symbol via SHT_SYMTAB_SHNDX with invalid index.
  - Name: ""
    Index: SHN_XINDEX
    Type: STT_SECTION
## Case 8: a named section symbol via SHT_SYMTAB_SHNDX with invalid index.
  - Name: "symbol4"
    Index: SHN_XINDEX
    Type: STT_SECTION

# RUN: yaml2obj %s --docnum=2 -o %t2
# RUN: llvm-readobj %t2 --symbols 2> %t.llvm.err2 | FileCheck %s --check-prefix=LLVM2
# RUN: FileCheck %s --input-file %t.llvm.err2 --check-prefix=WARN2 --implicit-check-not=warning
# RUN: llvm-readelf %t2 --symbols 2> %t.gnu.err2 | FileCheck %s --check-prefix=GNU2
# RUN: FileCheck %s --input-file %t.gnu.err2 --check-prefix=WARN2 --implicit-check-not=warning

# LLVM2: Name: (0)
# LLVM2: Name: <?> (0)

# GNU2:      Symbol table '.symtab' contains 2 entries:
# GNU2-NEXT:    Num: {{.*}} Type    {{.*}} Ndx Name
# GNU2-NEXT:      0: {{.*}} NOTYPE  {{.*}} UND {{$}}
# GNU2-NEXT:      1: {{.*}} SECTION {{.*}} RSV[0xffff] <?>

# WARN2: warning: '{{.*}}.tmp2': extended symbol index (1) is past the end of the SHT_SYMTAB_SHNDX section of size 0

--- !ELF
FileHeader:
  Class: ELFCLASS32
  Data:  ELFDATA2LSB
  Type:  ET_REL
Symbols:
  # Section symbol via SHT_SYMTAB_SHNDX when SHT_SYMTAB_SHNDX is missing.
  - Name: ""
    Index: SHN_XINDEX
    Type: STT_SECTION