## 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: llvm-readobj --symbols 2>&1 %t1 | FileCheck -DFILE=%t1 %s --check-prefix=CASE1

# CASE1: warning: '[[FILE]]': found an extended symbol index (1), but unable to locate the extended symbol index table

--- !ELF
FileHeader:
  Class: ELFCLASS64
  Data:  ELFDATA2LSB
  Type:  ET_REL
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
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: llvm-readobj --symbols 2>&1 %t3 | FileCheck %s -DFILE=%t3 --check-prefix=CASE3

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

--- !ELF
FileHeader:
  Class: ELFCLASS64
  Data:  ELFDATA2LSB
  Type:  ET_REL
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
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: llvm-readelf -S 2>&1 %t5 | FileCheck %s -DFILE=%t5 --check-prefix=CASE5

# CASE5: warning: '[[FILE]]': section [index 1] has invalid sh_entsize: expected 4, but got 2

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

## Check we can use the "Content" key with the "Size" key when the size is greater
## than or equal to the content size.

# RUN: not yaml2obj --docnum=6 -DSIZE=1 -DCONTENT="'0011'" %s 2>&1 | \
# RUN:   FileCheck %s --check-prefix=CONTENT-SIZE-ERR

# CONTENT-SIZE-ERR: error: Section size must be greater than or equal to the content size

--- !ELF
FileHeader:
  Class: ELFCLASS64
  Data:  ELFDATA2LSB
  Type:  ET_DYN
Sections:
  - Name:    .symtab_shndx
    Type:    SHT_SYMTAB_SHNDX
    Link:    .symtab
    Size:    [[SIZE=<none>]]
    Content: [[CONTENT=<none>]]
    Entries: [[ENTRIES=<none>]]
  - Name: .symtab
    Type: SHT_SYMTAB
## llvm-readobj validates that SHT_SYMTAB_SHNDX section has the same number
## of entries that the symbol table associated has.
    Size: [[SYMTAB=0x24]]

# RUN: yaml2obj --docnum=6 -DSIZE=4 -DCONTENT="'00112233'" %s -o %t.cont.size.eq.o
# RUN: llvm-readobj --sections --section-data %t.cont.size.eq.o | \
# RUN:   FileCheck %s --check-prefix=CHECK-CONTENT -DDATA="00112233"

# RUN: yaml2obj --docnum=6 -DSIZE=8 -DSYMTAB=0x36 -DCONTENT="'00112233'" %s -o %t.cont.size.gr.o
# RUN: llvm-readobj --sections --section-data %t.cont.size.gr.o | \
# RUN:   FileCheck %s --check-prefix=CHECK-CONTENT -DDATA="00112233 00000000"

# CHECK-CONTENT:      Name: .symtab_shndx
# CHECK-CONTENT:      SectionData (
# CHECK-CONTENT-NEXT:   0000: [[DATA]] |
# CHECK-CONTENT-NEXT: )

## Check we can use the "Size" key alone to create the section.

# RUN: yaml2obj --docnum=6 -DSIZE=4 %s -o %t.size.o
# RUN: llvm-readobj --sections --section-data %t.size.o | \
# RUN:   FileCheck %s --check-prefix=CHECK-CONTENT -DDATA="00000000"

## Check we can use the "Content" key alone to create the section.

# RUN: yaml2obj --docnum=6 -DCONTENT="'11223344'" %s -o %t.content.o
# RUN: llvm-readobj --sections --section-data %t.content.o | \
# RUN:   FileCheck %s --check-prefix=CHECK-CONTENT -DDATA="11223344"

## Check we can't use the "Entries" key together with the "Content" or "Size" keys.

# RUN: not yaml2obj --docnum=6 -DSIZE=0 -DENTRIES="[]" %s 2>&1 | \
# RUN:   FileCheck %s --check-prefix=ENTRIES-ERR
# RUN: not yaml2obj --docnum=6 -DCONTENT="'00'" -DENTRIES="[]" %s 2>&1 | \
# RUN:   FileCheck %s --check-prefix=ENTRIES-ERR

# ENTRIES-ERR: error: "Entries" cannot be used with "Content" or "Size"

## Check we create an empty section when none of "Size", "Entries" or "Content" are specified.

# RUN: yaml2obj --docnum=6 -DSYMTAB=0x0 %s -o %t.empty
# RUN: llvm-readelf --sections %t.empty | FileCheck %s --check-prefix=EMPTY

# EMPTY: [Nr] Name          Type                   Address          Off    Size
# EMPTY: [ 1] .symtab_shndx SYMTAB SECTION INDICES 0000000000000000 000040 000000