## Tests that --call-graph-info produces useful warnings if SHT_LLVM_CALL_GRAPH
## type section processing identifies malformed content.

## Tests that --call-graph-info warns if there is no section of type
## SHT_LLVM_CALL_GRAPH.
# RUN: yaml2obj --docnum=1 %s -o %t1
# RUN: llvm-readobj --elf-output-style=LLVM --call-graph-info %t1 2>&1 | \
# RUN:   FileCheck %s -DFILE=%t1 --check-prefix=WARN-NO-SECTION
# RUN: llvm-readobj --elf-output-style=JSON --pretty-print --call-graph-info %t1 2>&1 | \
# RUN:   FileCheck %s -DFILE=%t1 --check-prefix=WARN-NO-SECTION

# WARN-NO-SECTION: warning: '[[FILE]]': no SHT_LLVM_CALL_GRAPH section found

--- !ELF
FileHeader:
  Class:    ELFCLASS64
  Data:     ELFDATA2LSB
  Type:     ET_DYN
...

## Check format version number.
# RUN: yaml2obj --docnum=2 -DCONTENT=0x01 %s -o %t2
# RUN: llvm-readobj --elf-output-style=LLVM --call-graph-info %t2 2>&1 | \
# RUN:   FileCheck %s -DFILE=%t2 --check-prefix=WARN-FMT-VERSION
# RUN: llvm-readobj --elf-output-style=JSON --pretty-print --call-graph-info %t2 2>&1 | \
# RUN:   FileCheck %s -DFILE=%t2 --check-prefix=WARN-FMT-VERSION

# WARN-FMT-VERSION: warning: '[[FILE]]': unknown format version value [1] in SHT_LLVM_CALL_GRAPH type section

## Check missing flags.
# RUN: yaml2obj --docnum=2 -DCONTENT=0x00 %s -o %t3
# RUN: llvm-readobj --elf-output-style=LLVM --call-graph-info %t3 2>&1 | \
# RUN:   FileCheck %s -DFILE=%t3 --check-prefix=WARN-MISSING-FLAG
# RUN: llvm-readobj --elf-output-style=JSON --pretty-print --call-graph-info %t3 2>&1 | \
# RUN:   FileCheck %s -DFILE=%t3 --check-prefix=WARN-MISSING-FLAG

# WARN-MISSING-FLAG: warning: '[[FILE]]': failed while reading call graph info's Flags: unexpected end of data at offset 0x1 while reading [0x1, 0x2)

## Check Flags. Only valid Flag values are 0x00 to 0x07.
# RUN: yaml2obj --docnum=2 -DCONTENT=0x00,0x08 %s -o %t4
# RUN: llvm-readobj --elf-output-style=LLVM --call-graph-info %t4 2>&1 | \
# RUN:   FileCheck %s -DFILE=%t4 --check-prefix=WARN-FLAG
# RUN: llvm-readobj --elf-output-style=JSON --pretty-print --call-graph-info %t4 2>&1 | \
# RUN:   FileCheck %s -DFILE=%t4 --check-prefix=WARN-FLAG

# WARN-FLAG: warning: '[[FILE]]': unsupported Flags value [8]

--- !ELF
FileHeader:
  Class:    ELFCLASS64
  Data:     ELFDATA2LSB
  Type:     ET_DYN
Sections:
  - Name:  .text
    Type:  SHT_PROGBITS
  - Type:  SHT_LLVM_CALL_GRAPH
    ContentArray: [
      [[CONTENT]],
    ]
...

## Check missing function entry PC.
# RUN: yaml2obj --docnum=3 -DFUNCPC= %s -o %t5
# RUN: llvm-readobj --elf-output-style=LLVM --call-graph-info %t5 2>&1 | \
# RUN:   FileCheck %s -DFILE=%t5 --check-prefix=WARN-MISSING-PC
# RUN: llvm-readobj --elf-output-style=JSON --pretty-print --call-graph-info %t5 2>&1 | \
# RUN:   FileCheck %s -DFILE=%t5 --check-prefix=WARN-MISSING-PC

# WARN-MISSING-PC: warning: '[[FILE]]': failed while reading call graph info function entry PC: unexpected end of data at offset 0x2 while reading [0x2, 0xa)

## Check incomplete function entry PC.
# RUN: yaml2obj --docnum=3 -DFUNCPC=0x00,0x00,0x00,0x00,0x00,0x00,0x00 %s -o %t6
# RUN: llvm-readobj --elf-output-style=LLVM --call-graph-info %t6 2>&1 | \
# RUN:   FileCheck %s -DFILE=%t6 --check-prefix=WARN-INCOMPLETE-PC
# RUN: llvm-readobj --elf-output-style=JSON --pretty-print --call-graph-info %t6 2>&1 | \
# RUN:   FileCheck %s -DFILE=%t6 --check-prefix=WARN-INCOMPLETE-PC

# WARN-INCOMPLETE-PC: warning: '[[FILE]]': failed while reading call graph info function entry PC: unexpected end of data at offset 0x9 while reading [0x2, 0xa)

--- !ELF
FileHeader:
  Class:    ELFCLASS64
  Data:     ELFDATA2LSB
  Type:     ET_DYN
Sections:
  - Name:  .text
    Type:  SHT_PROGBITS
  - Type:  SHT_LLVM_CALL_GRAPH
    ContentArray: [      
      0x00, ## Format Version
      0x00, ## Flags
      [[FUNCPC]],      
    ]
...

## Check missing function Type ID.
# RUN: yaml2obj --docnum=4 -DTYPEID= %s -o %t6
# RUN: llvm-readobj --elf-output-style=LLVM --call-graph-info %t6 2>&1 | \
# RUN:   FileCheck %s -DFILE=%t6 --check-prefix=WARN-MISSING-TYPEID
# RUN: llvm-readobj --elf-output-style=JSON --pretty-print --call-graph-info %t6 2>&1 | \
# RUN:   FileCheck %s -DFILE=%t6 --check-prefix=WARN-MISSING-TYPEID

# WARN-MISSING-TYPEID: warning: '[[FILE]]': failed while reading function type ID: unexpected end of data at offset 0xa while reading [0xa, 0x12)

## Check for incomplete function Type ID.
# RUN: yaml2obj --docnum=4 -DTYPEID=0x00,0x00 %s -o %t6
# RUN: llvm-readobj --elf-output-style=LLVM --call-graph-info %t6 2>&1 | \
# RUN:   FileCheck %s -DFILE=%t6 --check-prefix=WARN-INCOMPLETE-TYPEID
# RUN: llvm-readobj --elf-output-style=JSON --pretty-print --call-graph-info %t6 2>&1 | \
# RUN:   FileCheck %s -DFILE=%t6 --check-prefix=WARN-INCOMPLETE-TYPEID

# WARN-INCOMPLETE-TYPEID: warning: '[[FILE]]': failed while reading function type ID: unexpected end of data at offset 0xc while reading [0xa, 0x12)

--- !ELF
FileHeader:
  Class:    ELFCLASS64
  Data:     ELFDATA2LSB
  Type:     ET_DYN
Sections:
  - Name:  .text
    Type:  SHT_PROGBITS
  - Type:  SHT_LLVM_CALL_GRAPH
    ContentArray: [      
      0x00, ## Format Version
      0x00, ## Flags
      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, ## Function entry address
      [[TYPEID]],      
    ]
...

## Check missing number of direct callees.
# RUN: yaml2obj --docnum=5 -DFLAGS=0x02 -DNUMCALLEES= %s -o %t7
# RUN: llvm-readobj --elf-output-style=LLVM --call-graph-info %t7 2>&1 | \
# RUN:   FileCheck %s -DFILE=%t7 --check-prefix=WARN-MISSING-DIRECT
# RUN: llvm-readobj --elf-output-style=JSON --pretty-print --call-graph-info %t7 2>&1 | \
# RUN:   FileCheck %s -DFILE=%t7 --check-prefix=WARN-MISSING-DIRECT

# WARN-MISSING-DIRECT: warning: '[[FILE]]': failed while reading number of direct callees: unable to decode LEB128 at offset 0x00000012: malformed uleb128, extends past end

## Check missing direct callee.
# RUN: yaml2obj --docnum=5 -DFLAGS=0x02 -DNUMCALLEES=0x01 %s -o %t8
# RUN: llvm-readobj --elf-output-style=LLVM --call-graph-info %t8 2>&1 | \
# RUN:   FileCheck %s -DFILE=%t8 --check-prefix=WARN-MISSING-CALLEE
# RUN: llvm-readobj --elf-output-style=JSON --pretty-print --call-graph-info %t8 2>&1 | \
# RUN:   FileCheck %s -DFILE=%t8 --check-prefix=WARN-MISSING-CALLEE

# WARN-MISSING-CALLEE: warning: '[[FILE]]': failed while reading direct callee: unexpected end of data at offset 0x13 while reading [0x13, 0x1b)

## Check incomplete direct callee.
# RUN: yaml2obj --docnum=5 -DFLAGS=0x02 -DNUMCALLEES=0x01,0x00,0x00 %s -o %t8
# RUN: llvm-readobj --elf-output-style=LLVM --call-graph-info %t8 2>&1 | \
# RUN:   FileCheck %s -DFILE=%t8 --check-prefix=WARN-INCOMPLETE-CALLEE
# RUN: llvm-readobj --elf-output-style=JSON --pretty-print --call-graph-info %t8 2>&1 | \
# RUN:   FileCheck %s -DFILE=%t8 --check-prefix=WARN-INCOMPLETE-CALLEE

# WARN-INCOMPLETE-CALLEE: warning: '[[FILE]]': failed while reading direct callee: unexpected end of data at offset 0x15 while reading [0x13, 0x1b)

## Check missing number of indirect callees.
# RUN: yaml2obj --docnum=5 -DFLAGS=0x04 -DNUMCALLEES= %s -o %t7
# RUN: llvm-readobj --elf-output-style=LLVM --call-graph-info %t7 2>&1 | \
# RUN:   FileCheck %s -DFILE=%t7 --check-prefix=WARN-MISSING-INDIRECT
# RUN: llvm-readobj --elf-output-style=JSON --pretty-print --call-graph-info %t7 2>&1 | \
# RUN:   FileCheck %s -DFILE=%t7 --check-prefix=WARN-MISSING-INDIRECT

# WARN-MISSING-INDIRECT: warning: '[[FILE]]': failed while reading number of indirect target type IDs: unable to decode LEB128 at offset 0x00000012: malformed uleb128, extends past end

## Check missing indirect target type ID.
# RUN: yaml2obj --docnum=5 -DFLAGS=0x04 -DNUMCALLEES=0x01 %s -o %t10
# RUN: llvm-readobj --elf-output-style=LLVM --call-graph-info %t10 2>&1 | \
# RUN:   FileCheck %s -DFILE=%t10 --check-prefix=WARN-MISSING-INDIRECT-TARGET-TYPE-ID
# RUN: llvm-readobj --elf-output-style=JSON --pretty-print --call-graph-info %t10 2>&1 | \
# RUN:   FileCheck %s -DFILE=%t10 --check-prefix=WARN-MISSING-INDIRECT-TARGET-TYPE-ID

# WARN-MISSING-INDIRECT-TARGET-TYPE-ID: warning: '[[FILE]]': failed while reading indirect target type ID: unexpected end of data at offset 0x13 while reading [0x13, 0x1b)

## Check incomplete indirect target type ID.
# RUN: yaml2obj --docnum=5 -DFLAGS=0x04 -DNUMCALLEES=0x01,0x00,0x00 %s -o %t8
# RUN: llvm-readobj --elf-output-style=LLVM --call-graph-info %t8 2>&1 | \
# RUN:   FileCheck %s -DFILE=%t8 --check-prefix=WARN-INCOMPLETE-TARGET-TYPE-ID
# RUN: llvm-readobj --elf-output-style=JSON --pretty-print --call-graph-info %t8 2>&1 | \
# RUN:   FileCheck %s -DFILE=%t8 --check-prefix=WARN-INCOMPLETE-TARGET-TYPE-ID

# WARN-INCOMPLETE-TARGET-TYPE-ID: warning: '[[FILE]]': failed while reading indirect target type ID: unexpected end of data at offset 0x15 while reading [0x13, 0x1b)

--- !ELF
FileHeader:
  Class:    ELFCLASS64
  Data:     ELFDATA2LSB
  Type:     ET_DYN
Sections:
  - Name:  .text
    Type:  SHT_PROGBITS
  - Type:  SHT_LLVM_CALL_GRAPH
    ContentArray: [      
      0x00, ## Format Version
      [[FLAGS]],
      0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, ## Function entry address
      0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, ## TypeID unknown
      [[NUMCALLEES]],
    ]
...

## Check missing relocation information.
# RUN: yaml2obj --docnum=6 %s -o %t11
# RUN: llvm-readobj --elf-output-style=GNU --call-graph-info %t11 2>&1 | count 0
# RUN: llvm-readobj --elf-output-style=LLVM --call-graph-info %t11 2>&1 | \
# RUN:   FileCheck %s -DFILE=%t11 --check-prefixes=WARN-MISSING-INFO
# RUN: llvm-readobj --elf-output-style=JSON --pretty-print --call-graph-info %t11 2>&1 | \
# RUN:   FileCheck %s -DFILE=%t11 --check-prefixes=WARN-MISSING-INFO

# WARN-MISSING-INFO: warning: '[[FILE]]': SHT_LLVM_CALL_GRAPH type section has unknown type ID for 2 indirect targets
# WARN-MISSING-INFO: warning: '[[FILE]]': missing relocation for symbol at offset 2
# WARN-MISSING-INFO: warning: '[[FILE]]': missing relocation for symbol at offset 19
# WARN-MISSING-INFO: warning: '[[FILE]]': missing relocation for symbol at offset 29
# WARN-MISSING-INFO: warning: '[[FILE]]': missing relocation for symbol at offset 56

--- !ELF
FileHeader:
  Class:    ELFCLASS64
  Data:     ELFDATA2LSB
  Type:     ET_REL
  Machine:  EM_X86_64
Sections:
  - Name: .text
    Type: SHT_PROGBITS
  - Type: SHT_LLVM_CALL_GRAPH
    ContentArray: [
        '0', ## Format version number
        '3', ## Flag IsIndirectTarget true, HasDirectCallees true
        '0', '0', '0', '0', '0', '0', '0', '0', ## foo()'s address
        '0', '0', '0', '0', '0', '0', '0', '0', ## foo()'s TypeID Unknown
        '1', ## NumDirectCallees
        '0', '0', '0', '0', '0', '0', '0', '0', ## Direct callee foo()'s address
        '0', ## Format version number
        '5', ## Flag IsIndirectTarget true, HasIndirectTargetTypeIDs true
        '6', '0', '0', '0', '0', '0', '0', '0', ## bar()'s address
        '0', '0', '0', '0', '0', '0', '0', '0', ## bar()'s TypeID Unknown
        '1', ## NumIndirectTargetTypeIDs
        '16', '0', '0', '0', '0', '0', '0', '0', ## Indirect callee type ID
        '0', ## Format version number
        '1', ## Flag IsIndirectTarget true
        '10', '0', '0', '0', '0', '0', '0', '0', ## baz()'s address
        '32', '0', '0', '0', '0', '0', '0', '0', ## baz()'s TypeID Unknown
      ]
  - Type:   SHT_RELA
    Relocations:
      ## 1. Pointer to foo() definition
      - Offset: 0x2
        Symbol: foo
        Type:   R_X86_64_64

      ## 2. Pointer to the call site "callq foo" (offset 5 inside foo)
      ##    We relocate against 'foo' and add 5 to get the address of the instruction.
      - Offset: 0x13
        Symbol: foo
        Type:   R_X86_64_64
        Addend: 5

      ## 3. Pointer to bar() definition
      - Offset: 0x1D
        Symbol: bar
        Type:   R_X86_64_64

      ## 4. Pointer to baz() definition
      - Offset: 0x38
        Symbol: baz
        Type:   R_X86_64_64
Symbols:
  - Name:  foo
  - Name:  bar
  - Name:  baz
...

## Check that the first call graph section is processed and the second call graph section is ignored.
## Note that we do not expect an object file to have more than one call graph section as we merge the
## call graph sections when there are more than one.
# RUN: yaml2obj --docnum=7 %s -o %t12
# RUN: llvm-readobj --elf-output-style=LLVM --call-graph-info %t12 2>&1 | \
# RUN:   FileCheck %s -DFILE=%t12 --check-prefix=LLVM-FIRST-CGSECTION --match-full-lines
# RUN: llvm-readobj --elf-output-style=JSON --pretty-print --call-graph-info %t12 2>&1 | \
# RUN:   FileCheck %s -DFILE=%t12 --check-prefix=JSON-FIRST-CGSECTION --match-full-lines

# LLVM-FIRST-CGSECTION:      CallGraph [
# LLVM-FIRST-CGSECTION-NEXT:     Function {
# LLVM-FIRST-CGSECTION-NEXT:       Names: [foo]
# LLVM-FIRST-CGSECTION-NEXT:       Address: 0x1790
# LLVM-FIRST-CGSECTION-NEXT:       Version: 0
# LLVM-FIRST-CGSECTION-NEXT:       IsIndirectTarget: Yes
# LLVM-FIRST-CGSECTION-NEXT:       TypeID: 0x3ECBEEF531F74424
# LLVM-FIRST-CGSECTION-NEXT:       NumDirectCallees: 0
# LLVM-FIRST-CGSECTION-NEXT:       DirectCallees [
# LLVM-FIRST-CGSECTION-NEXT:       ]
# LLVM-FIRST-CGSECTION-NEXT:       NumIndirectTargetTypeIDs: 0
# LLVM-FIRST-CGSECTION-NEXT:       IndirectTypeIDs: []
# LLVM-FIRST-CGSECTION-NEXT:     }
# LLVM-FIRST-CGSECTION-NEXT:    ]
# LLVM-FIRST-CGSECTION-NOT: {{.}}

# JSON-FIRST-CGSECTION:     "CallGraph": [
# JSON-FIRST-CGSECTION-NEXT:      {
# JSON-FIRST-CGSECTION-NEXT:        "Function": {
# JSON-FIRST-CGSECTION-NEXT:          "Names": [
# JSON-FIRST-CGSECTION-NEXT:            "foo"
# JSON-FIRST-CGSECTION-NEXT:          ],
# JSON-FIRST-CGSECTION-NEXT:          "Address": 6032,
# JSON-FIRST-CGSECTION-NEXT:          "Version": 0,
# JSON-FIRST-CGSECTION-NEXT:          "IsIndirectTarget": true,
# JSON-FIRST-CGSECTION-NEXT:          "TypeID": 4524972987496481828,
# JSON-FIRST-CGSECTION-NEXT:          "NumDirectCallees": 0,
# JSON-FIRST-CGSECTION-NEXT:          "DirectCallees": [],
# JSON-FIRST-CGSECTION-NEXT:          "NumIndirectTargetTypeIDs": 0,
# JSON-FIRST-CGSECTION-NEXT:          "IndirectTypeIDs": []
# JSON-FIRST-CGSECTION-NEXT:        }
# JSON-FIRST-CGSECTION-NEXT:      }
# JSON-FIRST-CGSECTION-NEXT:    ]
# JSON-FIRST-CGSECTION-NEXT:   }
# JSON-FIRST-CGSECTION-NEXT:  ]
# JSON-FIRST-CGSECTION-NOT: {{.}}

--- !ELF
FileHeader:
  Class:    ELFCLASS64
  Data:     ELFDATA2LSB
  Type:     ET_DYN
Sections:
  - Name:   .text
    Type:   SHT_PROGBITS
  - Type:   SHT_LLVM_CALL_GRAPH
    Link:   .text
    ContentArray: [
      ## --- foo ---
      0x00, ## Version
      0x01, ## Flags
      0x90, 0x17, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, ## FunctionEntryPC: 0x1790
      0x24, 0x44, 0xF7, 0x31, 0xF5, 0xEE, 0xCB, 0x3E, ## FunctionTypeID: 0x3ECBEEF531F74424
    ]
  ## This following second call graph section will be completely ignored.
  - Type:   SHT_LLVM_CALL_GRAPH
    Link:   .text
    ContentArray: [
      ## --- bar ---
      0x00, ## Version
      0x01, ## Flags
      0xA0, 0x17, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, ## FunctionEntryPC: 0x17A0
      0x24, 0x44, 0xF7, 0x31, 0xF5, 0xEE, 0xCB, 0x3E, ## FunctionTypeID: 0x3ECBEEF531F74424
    ]
Symbols:
  - Name:     foo
    Type:     STT_FUNC
    Section:  .text
    Value:    0x1790

## Check warning when the relocation section linked to SHT_LLVM_CALL_GRAPH has an invalid sh_link.
# RUN: yaml2obj --docnum=8 -DLINK=255 -DINFO=.llvm_call_graph %s -o %t13
# RUN: llvm-readobj --elf-output-style=LLVM --call-graph-info %t13 2>&1 | \
# RUN:   FileCheck %s -DFILE=%t13 --check-prefix=INVALID-RELA-LINK
# RUN: llvm-readobj --elf-output-style=JSON --call-graph-info %t13 2>&1 | \
# RUN:   FileCheck %s -DFILE=%t13 --check-prefix=INVALID-RELA-LINK

# INVALID-RELA-LINK: warning: '[[FILE]]': invalid section linked to SHT_RELA section with index 2: invalid section index: 255

## Check warning when getSectionAndRelocations fails to read sections.
# RUN: yaml2obj --docnum=8 -DLINK=0 -DINFO=255 %s -o %t14
# RUN: llvm-readobj --elf-output-style=LLVM --call-graph-info %t14 2>&1 | \
# RUN:   FileCheck %s -DFILE=%t14 --check-prefix=ERR-READ-SECTION
# RUN: llvm-readobj --elf-output-style=JSON --call-graph-info %t14 2>&1 | \
# RUN:   FileCheck %s -DFILE=%t14 --check-prefix=ERR-READ-SECTION

# ERR-READ-SECTION: warning: '[[FILE]]': unable to read SHT_LLVM_CALL_GRAPH section: SHT_RELA section with index 2: failed to get a relocated section: invalid section index: 255

--- !ELF
FileHeader:
  Class:    ELFCLASS64
  Data:     ELFDATA2LSB
  Type:     ET_REL
  Machine:  EM_X86_64
Sections:
  - Name: .llvm_call_graph
    Type: SHT_LLVM_CALL_GRAPH
    ContentArray: [
        '0', ## Format version number
        '1', ## Flag IsIndirectTarget true
        '0', '0', '0', '0', '0', '0', '0', '0', ## foo()'s address
        '0', '0', '0', '0', '0', '0', '0', '0', ## foo()'s TypeID Unknown
      ]
  - Name: .rela.llvm_call_graph
    Type: SHT_RELA
    Link: [[LINK]]
    Info: [[INFO]]
    Relocations:
      - Offset: 0x2
        Symbol: foo
        Type:   R_X86_64_64
Symbols:
  - Name: foo