test/tools/yaml2obj/elf-sht-symtab-shndx.yaml

## Check that yaml2obj is able to produce output
## when a symbol with section index SHN_XINDEX is used,
## but no SHT_SYMTAB_SHNDX section is defined.

# RUN: yaml2obj --docnum=1 %s -o %t1
# RUN: not llvm-readobj --symbols 2>&1 %t1 | FileCheck -DFILE=%t1 %s --check-prefix=CASE1

# CASE1: error: '[[FILE]]': extended symbol index (1) is past the end of the SHT_SYMTAB_SHNDX section of size 0

--- !ELF
FileHeader:
  Class:   ELFCLASS64
  Data:    ELFDATA2LSB
  Type:    ET_REL
  Machine: EM_X86_64
Sections:
  - Name: bar
    Type: SHT_PROGBITS
Symbols:
  - Type:  STT_SECTION
    Index: SHN_XINDEX

## Check that yaml2obj keeps the SHT_SYMTAB_SHNDX section in the output
## even when symbol's section index value is low enough to not require the extended symtab. 
## Also, check that symbols in .symtab still have the SHN_XINDEX index.

# RUN: yaml2obj --docnum=2 %s -o %t2
# RUN: llvm-readobj --sections --symbols --section-data 2>&1 %t2 | FileCheck %s --check-prefix=CASE2

# CASE2:      Section {
# CASE2:       Name: .symtab_shndx (1)
# CASE2-NEXT:  Type: SHT_SYMTAB_SHNDX (0x12)

# CASE2:      Name: .symtab
# CASE2:      SectionData (
# CASE2-NEXT:   0000: 00000000 00000000 00000000 00000000
# CASE2-NEXT:   0010: 00000000 00000000 00000000 0300FFFF
##                                                   ^-- 0xFFFF here is a SHN_XINDEX.
# CASE2-NEXT:   0020: 00000000 00000000 00000000 00000000
# CASE2-NEXT: )

# CASE2:      Symbol {
# CASE2:        Name: bar (0)
# CASE2-NEXT:   Value: 0x0
# CASE2-NEXT:   Size: 0
# CASE2-NEXT:   Binding: Local (0x0)
# CASE2-NEXT:   Type: Section (0x3)
# CASE2-NEXT:   Other: 0
# CASE2-NEXT:   Section: bar (0x1)
# CASE2-NEXT: }

--- !ELF
FileHeader:
  Class:   ELFCLASS64
  Data:    ELFDATA2LSB
  Type:    ET_REL
  Machine: EM_X86_64
Sections:
  - Name: bar
    Type: SHT_PROGBITS
  - Name:    .symtab_shndx
    Type:    SHT_SYMTAB_SHNDX
    Entries: [ 0, 1 ]
    Link:    .symtab
Symbols:
  - Type:  STT_SECTION
    Index: SHN_XINDEX

## Check that yaml2obj allows producing broken SHT_SYMTAB_SHNDX section
## content (in the case below it contains 0xff as an index of a section,
## which is larger than the total number of sections in the file).

# RUN: yaml2obj --docnum=3 %s -o %t3
# RUN: not llvm-readobj --symbols 2>&1 %t3 | FileCheck %s -DFILE=%t3 --check-prefix=CASE3

# CASE3: error: '[[FILE]]': invalid section index: 255

--- !ELF
FileHeader:
  Class:   ELFCLASS64
  Data:    ELFDATA2LSB
  Type:    ET_REL
  Machine: EM_X86_64
Sections:
  - Name: bar
    Type: SHT_PROGBITS
  - Name:    .symtab_shndx
    Type:    SHT_SYMTAB_SHNDX
    Entries: [ 0, 255 ]
    Link:    .symtab
Symbols:
  - Type:  STT_SECTION
    Index: SHN_XINDEX

## Check that yaml2obj reports an error if a symbol index does not fit into 2 bytes.

# RUN: not yaml2obj --docnum=4 %s -o %t4 2>&1 | FileCheck %s --check-prefix=CASE4

# CASE4: error: out of range hex16 number

--- !ELF
FileHeader:
  Class:   ELFCLASS64
  Data:    ELFDATA2LSB
  Type:    ET_REL
  Machine: EM_X86_64
Symbols:
  - Type:  STT_SECTION
    Index: 65536

## Check we can set a custom sh_entsize for SHT_SYMTAB_SHNDX section.

# RUN: yaml2obj --docnum=5 %s -o %t5
# RUN: not llvm-readelf -S 2>&1 %t5 | FileCheck %s -DFILE=%t5 --check-prefix=CASE5

# CASE5: error: '[[FILE]]': section [index 1] has an invalid sh_entsize: 2

--- !ELF
FileHeader:
  Class:   ELFCLASS64
  Data:    ELFDATA2LSB
  Type:    ET_REL
  Machine: EM_X86_64
Sections:
  - Name:    .symtab_shndx
    Type:    SHT_SYMTAB_SHNDX
    Entries: [ 0 ]
    EntSize: 2