derek.holloway
7502bf64a4
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396 lines
17 KiB
Plaintext
396 lines
17 KiB
Plaintext
## Tests that --call-graph-info produces useful warnings if SHT_LLVM_CALL_GRAPH
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## type section processing identifies malformed content.
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## Tests that --call-graph-info warns if there is no section of type
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## SHT_LLVM_CALL_GRAPH.
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# RUN: yaml2obj --docnum=1 %s -o %t1
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# RUN: llvm-readobj --elf-output-style=LLVM --call-graph-info %t1 2>&1 | \
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# RUN: FileCheck %s -DFILE=%t1 --check-prefix=WARN-NO-SECTION
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# RUN: llvm-readobj --elf-output-style=JSON --pretty-print --call-graph-info %t1 2>&1 | \
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# RUN: FileCheck %s -DFILE=%t1 --check-prefix=WARN-NO-SECTION
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# WARN-NO-SECTION: warning: '[[FILE]]': no SHT_LLVM_CALL_GRAPH section found
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--- !ELF
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FileHeader:
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Class: ELFCLASS64
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Data: ELFDATA2LSB
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Type: ET_DYN
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...
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## Check format version number.
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# RUN: yaml2obj --docnum=2 -DCONTENT=0x01 %s -o %t2
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# RUN: llvm-readobj --elf-output-style=LLVM --call-graph-info %t2 2>&1 | \
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# RUN: FileCheck %s -DFILE=%t2 --check-prefix=WARN-FMT-VERSION
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# RUN: llvm-readobj --elf-output-style=JSON --pretty-print --call-graph-info %t2 2>&1 | \
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# RUN: FileCheck %s -DFILE=%t2 --check-prefix=WARN-FMT-VERSION
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# WARN-FMT-VERSION: warning: '[[FILE]]': unknown format version value [1] in SHT_LLVM_CALL_GRAPH type section
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## Check missing flags.
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# RUN: yaml2obj --docnum=2 -DCONTENT=0x00 %s -o %t3
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# RUN: llvm-readobj --elf-output-style=LLVM --call-graph-info %t3 2>&1 | \
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# RUN: FileCheck %s -DFILE=%t3 --check-prefix=WARN-MISSING-FLAG
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# RUN: llvm-readobj --elf-output-style=JSON --pretty-print --call-graph-info %t3 2>&1 | \
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# RUN: FileCheck %s -DFILE=%t3 --check-prefix=WARN-MISSING-FLAG
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# WARN-MISSING-FLAG: warning: '[[FILE]]': failed while reading call graph info's Flags: unexpected end of data at offset 0x1 while reading [0x1, 0x2)
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## Check Flags. Only valid Flag values are 0x00 to 0x07.
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# RUN: yaml2obj --docnum=2 -DCONTENT=0x00,0x08 %s -o %t4
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# RUN: llvm-readobj --elf-output-style=LLVM --call-graph-info %t4 2>&1 | \
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# RUN: FileCheck %s -DFILE=%t4 --check-prefix=WARN-FLAG
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# RUN: llvm-readobj --elf-output-style=JSON --pretty-print --call-graph-info %t4 2>&1 | \
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# RUN: FileCheck %s -DFILE=%t4 --check-prefix=WARN-FLAG
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# WARN-FLAG: warning: '[[FILE]]': unsupported Flags value [8]
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--- !ELF
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FileHeader:
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Class: ELFCLASS64
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Data: ELFDATA2LSB
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Type: ET_DYN
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Sections:
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- Name: .text
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Type: SHT_PROGBITS
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- Type: SHT_LLVM_CALL_GRAPH
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ContentArray: [
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[[CONTENT]],
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]
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...
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## Check missing function entry PC.
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# RUN: yaml2obj --docnum=3 -DFUNCPC= %s -o %t5
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# RUN: llvm-readobj --elf-output-style=LLVM --call-graph-info %t5 2>&1 | \
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# RUN: FileCheck %s -DFILE=%t5 --check-prefix=WARN-MISSING-PC
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# RUN: llvm-readobj --elf-output-style=JSON --pretty-print --call-graph-info %t5 2>&1 | \
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# RUN: FileCheck %s -DFILE=%t5 --check-prefix=WARN-MISSING-PC
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# 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)
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## Check incomplete function entry PC.
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# RUN: yaml2obj --docnum=3 -DFUNCPC=0x00,0x00,0x00,0x00,0x00,0x00,0x00 %s -o %t6
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# RUN: llvm-readobj --elf-output-style=LLVM --call-graph-info %t6 2>&1 | \
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# RUN: FileCheck %s -DFILE=%t6 --check-prefix=WARN-INCOMPLETE-PC
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# RUN: llvm-readobj --elf-output-style=JSON --pretty-print --call-graph-info %t6 2>&1 | \
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# RUN: FileCheck %s -DFILE=%t6 --check-prefix=WARN-INCOMPLETE-PC
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# 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)
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--- !ELF
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FileHeader:
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Class: ELFCLASS64
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Data: ELFDATA2LSB
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Type: ET_DYN
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Sections:
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- Name: .text
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Type: SHT_PROGBITS
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- Type: SHT_LLVM_CALL_GRAPH
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ContentArray: [
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0x00, ## Format Version
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0x00, ## Flags
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[[FUNCPC]],
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]
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...
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## Check missing function Type ID.
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# RUN: yaml2obj --docnum=4 -DTYPEID= %s -o %t6
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# RUN: llvm-readobj --elf-output-style=LLVM --call-graph-info %t6 2>&1 | \
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# RUN: FileCheck %s -DFILE=%t6 --check-prefix=WARN-MISSING-TYPEID
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# RUN: llvm-readobj --elf-output-style=JSON --pretty-print --call-graph-info %t6 2>&1 | \
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# RUN: FileCheck %s -DFILE=%t6 --check-prefix=WARN-MISSING-TYPEID
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# WARN-MISSING-TYPEID: warning: '[[FILE]]': failed while reading function type ID: unexpected end of data at offset 0xa while reading [0xa, 0x12)
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## Check for incomplete function Type ID.
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# RUN: yaml2obj --docnum=4 -DTYPEID=0x00,0x00 %s -o %t6
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# RUN: llvm-readobj --elf-output-style=LLVM --call-graph-info %t6 2>&1 | \
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# RUN: FileCheck %s -DFILE=%t6 --check-prefix=WARN-INCOMPLETE-TYPEID
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# RUN: llvm-readobj --elf-output-style=JSON --pretty-print --call-graph-info %t6 2>&1 | \
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# RUN: FileCheck %s -DFILE=%t6 --check-prefix=WARN-INCOMPLETE-TYPEID
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# WARN-INCOMPLETE-TYPEID: warning: '[[FILE]]': failed while reading function type ID: unexpected end of data at offset 0xc while reading [0xa, 0x12)
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--- !ELF
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FileHeader:
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Class: ELFCLASS64
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Data: ELFDATA2LSB
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Type: ET_DYN
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Sections:
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- Name: .text
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Type: SHT_PROGBITS
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- Type: SHT_LLVM_CALL_GRAPH
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ContentArray: [
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0x00, ## Format Version
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0x00, ## Flags
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, ## Function entry address
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[[TYPEID]],
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]
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...
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## Check missing number of direct callees.
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# RUN: yaml2obj --docnum=5 -DFLAGS=0x02 -DNUMCALLEES= %s -o %t7
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# RUN: llvm-readobj --elf-output-style=LLVM --call-graph-info %t7 2>&1 | \
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# RUN: FileCheck %s -DFILE=%t7 --check-prefix=WARN-MISSING-DIRECT
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# RUN: llvm-readobj --elf-output-style=JSON --pretty-print --call-graph-info %t7 2>&1 | \
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# RUN: FileCheck %s -DFILE=%t7 --check-prefix=WARN-MISSING-DIRECT
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# WARN-MISSING-DIRECT: warning: '[[FILE]]': failed while reading number of direct callees: unable to decode LEB128 at offset 0x00000012: malformed uleb128, extends past end
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## Check missing direct callee.
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# RUN: yaml2obj --docnum=5 -DFLAGS=0x02 -DNUMCALLEES=0x01 %s -o %t8
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# RUN: llvm-readobj --elf-output-style=LLVM --call-graph-info %t8 2>&1 | \
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# RUN: FileCheck %s -DFILE=%t8 --check-prefix=WARN-MISSING-CALLEE
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# RUN: llvm-readobj --elf-output-style=JSON --pretty-print --call-graph-info %t8 2>&1 | \
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# RUN: FileCheck %s -DFILE=%t8 --check-prefix=WARN-MISSING-CALLEE
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# WARN-MISSING-CALLEE: warning: '[[FILE]]': failed while reading direct callee: unexpected end of data at offset 0x13 while reading [0x13, 0x1b)
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## Check incomplete direct callee.
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# RUN: yaml2obj --docnum=5 -DFLAGS=0x02 -DNUMCALLEES=0x01,0x00,0x00 %s -o %t8
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# RUN: llvm-readobj --elf-output-style=LLVM --call-graph-info %t8 2>&1 | \
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# RUN: FileCheck %s -DFILE=%t8 --check-prefix=WARN-INCOMPLETE-CALLEE
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# RUN: llvm-readobj --elf-output-style=JSON --pretty-print --call-graph-info %t8 2>&1 | \
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# RUN: FileCheck %s -DFILE=%t8 --check-prefix=WARN-INCOMPLETE-CALLEE
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# WARN-INCOMPLETE-CALLEE: warning: '[[FILE]]': failed while reading direct callee: unexpected end of data at offset 0x15 while reading [0x13, 0x1b)
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## Check missing number of indirect callees.
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# RUN: yaml2obj --docnum=5 -DFLAGS=0x04 -DNUMCALLEES= %s -o %t7
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# RUN: llvm-readobj --elf-output-style=LLVM --call-graph-info %t7 2>&1 | \
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# RUN: FileCheck %s -DFILE=%t7 --check-prefix=WARN-MISSING-INDIRECT
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# RUN: llvm-readobj --elf-output-style=JSON --pretty-print --call-graph-info %t7 2>&1 | \
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# RUN: FileCheck %s -DFILE=%t7 --check-prefix=WARN-MISSING-INDIRECT
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# 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
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## Check missing indirect target type ID.
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# RUN: yaml2obj --docnum=5 -DFLAGS=0x04 -DNUMCALLEES=0x01 %s -o %t10
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# RUN: llvm-readobj --elf-output-style=LLVM --call-graph-info %t10 2>&1 | \
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# RUN: FileCheck %s -DFILE=%t10 --check-prefix=WARN-MISSING-INDIRECT-TARGET-TYPE-ID
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# RUN: llvm-readobj --elf-output-style=JSON --pretty-print --call-graph-info %t10 2>&1 | \
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# RUN: FileCheck %s -DFILE=%t10 --check-prefix=WARN-MISSING-INDIRECT-TARGET-TYPE-ID
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# 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)
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## Check incomplete indirect target type ID.
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# RUN: yaml2obj --docnum=5 -DFLAGS=0x04 -DNUMCALLEES=0x01,0x00,0x00 %s -o %t8
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# RUN: llvm-readobj --elf-output-style=LLVM --call-graph-info %t8 2>&1 | \
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# RUN: FileCheck %s -DFILE=%t8 --check-prefix=WARN-INCOMPLETE-TARGET-TYPE-ID
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# RUN: llvm-readobj --elf-output-style=JSON --pretty-print --call-graph-info %t8 2>&1 | \
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# RUN: FileCheck %s -DFILE=%t8 --check-prefix=WARN-INCOMPLETE-TARGET-TYPE-ID
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# 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)
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--- !ELF
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FileHeader:
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Class: ELFCLASS64
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Data: ELFDATA2LSB
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Type: ET_DYN
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Sections:
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- Name: .text
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Type: SHT_PROGBITS
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- Type: SHT_LLVM_CALL_GRAPH
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ContentArray: [
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0x00, ## Format Version
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[[FLAGS]],
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, ## Function entry address
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, ## TypeID unknown
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[[NUMCALLEES]],
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]
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...
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## Check missing relocation information.
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# RUN: yaml2obj --docnum=6 %s -o %t11
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# RUN: llvm-readobj --elf-output-style=GNU --call-graph-info %t11 2>&1 | count 0
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# RUN: llvm-readobj --elf-output-style=LLVM --call-graph-info %t11 2>&1 | \
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# RUN: FileCheck %s -DFILE=%t11 --check-prefixes=WARN-MISSING-INFO
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# RUN: llvm-readobj --elf-output-style=JSON --pretty-print --call-graph-info %t11 2>&1 | \
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# RUN: FileCheck %s -DFILE=%t11 --check-prefixes=WARN-MISSING-INFO
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# WARN-MISSING-INFO: warning: '[[FILE]]': SHT_LLVM_CALL_GRAPH type section has unknown type ID for 2 indirect targets
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# WARN-MISSING-INFO: warning: '[[FILE]]': missing relocation for symbol at offset 2
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# WARN-MISSING-INFO: warning: '[[FILE]]': missing relocation for symbol at offset 19
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# WARN-MISSING-INFO: warning: '[[FILE]]': missing relocation for symbol at offset 29
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# WARN-MISSING-INFO: warning: '[[FILE]]': missing relocation for symbol at offset 56
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--- !ELF
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FileHeader:
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Class: ELFCLASS64
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Data: ELFDATA2LSB
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Type: ET_REL
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Machine: EM_X86_64
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Sections:
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- Name: .text
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Type: SHT_PROGBITS
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- Type: SHT_LLVM_CALL_GRAPH
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ContentArray: [
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'0', ## Format version number
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'3', ## Flag IsIndirectTarget true, HasDirectCallees true
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'0', '0', '0', '0', '0', '0', '0', '0', ## foo()'s address
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'0', '0', '0', '0', '0', '0', '0', '0', ## foo()'s TypeID Unknown
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'1', ## NumDirectCallees
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'0', '0', '0', '0', '0', '0', '0', '0', ## Direct callee foo()'s address
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'0', ## Format version number
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'5', ## Flag IsIndirectTarget true, HasIndirectTargetTypeIDs true
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'6', '0', '0', '0', '0', '0', '0', '0', ## bar()'s address
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'0', '0', '0', '0', '0', '0', '0', '0', ## bar()'s TypeID Unknown
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'1', ## NumIndirectTargetTypeIDs
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'16', '0', '0', '0', '0', '0', '0', '0', ## Indirect callee type ID
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'0', ## Format version number
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'1', ## Flag IsIndirectTarget true
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'10', '0', '0', '0', '0', '0', '0', '0', ## baz()'s address
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'32', '0', '0', '0', '0', '0', '0', '0', ## baz()'s TypeID Unknown
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]
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- Type: SHT_RELA
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Relocations:
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## 1. Pointer to foo() definition
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- Offset: 0x2
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Symbol: foo
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Type: R_X86_64_64
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## 2. Pointer to the call site "callq foo" (offset 5 inside foo)
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## We relocate against 'foo' and add 5 to get the address of the instruction.
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- Offset: 0x13
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Symbol: foo
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Type: R_X86_64_64
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Addend: 5
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## 3. Pointer to bar() definition
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- Offset: 0x1D
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Symbol: bar
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Type: R_X86_64_64
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## 4. Pointer to baz() definition
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- Offset: 0x38
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Symbol: baz
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Type: R_X86_64_64
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Symbols:
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- Name: foo
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- Name: bar
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- Name: baz
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...
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## Check that the first call graph section is processed and the second call graph section is ignored.
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## Note that we do not expect an object file to have more than one call graph section as we merge the
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## call graph sections when there are more than one.
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# RUN: yaml2obj --docnum=7 %s -o %t12
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# RUN: llvm-readobj --elf-output-style=LLVM --call-graph-info %t12 2>&1 | \
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# RUN: FileCheck %s -DFILE=%t12 --check-prefix=LLVM-FIRST-CGSECTION --match-full-lines
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# RUN: llvm-readobj --elf-output-style=JSON --pretty-print --call-graph-info %t12 2>&1 | \
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# RUN: FileCheck %s -DFILE=%t12 --check-prefix=JSON-FIRST-CGSECTION --match-full-lines
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# LLVM-FIRST-CGSECTION: CallGraph [
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# LLVM-FIRST-CGSECTION-NEXT: Function {
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# LLVM-FIRST-CGSECTION-NEXT: Names: [foo]
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# LLVM-FIRST-CGSECTION-NEXT: Address: 0x1790
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# LLVM-FIRST-CGSECTION-NEXT: Version: 0
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# LLVM-FIRST-CGSECTION-NEXT: IsIndirectTarget: Yes
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# LLVM-FIRST-CGSECTION-NEXT: TypeID: 0x3ECBEEF531F74424
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# LLVM-FIRST-CGSECTION-NEXT: NumDirectCallees: 0
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# LLVM-FIRST-CGSECTION-NEXT: DirectCallees [
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# LLVM-FIRST-CGSECTION-NEXT: ]
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# LLVM-FIRST-CGSECTION-NEXT: NumIndirectTargetTypeIDs: 0
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# LLVM-FIRST-CGSECTION-NEXT: IndirectTypeIDs: []
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# LLVM-FIRST-CGSECTION-NEXT: }
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# LLVM-FIRST-CGSECTION-NEXT: ]
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# LLVM-FIRST-CGSECTION-NOT: {{.}}
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# JSON-FIRST-CGSECTION: "CallGraph": [
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# JSON-FIRST-CGSECTION-NEXT: {
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# JSON-FIRST-CGSECTION-NEXT: "Function": {
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# JSON-FIRST-CGSECTION-NEXT: "Names": [
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# JSON-FIRST-CGSECTION-NEXT: "foo"
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# JSON-FIRST-CGSECTION-NEXT: ],
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# JSON-FIRST-CGSECTION-NEXT: "Address": 6032,
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# JSON-FIRST-CGSECTION-NEXT: "Version": 0,
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# JSON-FIRST-CGSECTION-NEXT: "IsIndirectTarget": true,
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# JSON-FIRST-CGSECTION-NEXT: "TypeID": 4524972987496481828,
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# JSON-FIRST-CGSECTION-NEXT: "NumDirectCallees": 0,
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# JSON-FIRST-CGSECTION-NEXT: "DirectCallees": [],
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# JSON-FIRST-CGSECTION-NEXT: "NumIndirectTargetTypeIDs": 0,
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# JSON-FIRST-CGSECTION-NEXT: "IndirectTypeIDs": []
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# JSON-FIRST-CGSECTION-NEXT: }
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# JSON-FIRST-CGSECTION-NEXT: }
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# JSON-FIRST-CGSECTION-NEXT: ]
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# JSON-FIRST-CGSECTION-NEXT: }
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# JSON-FIRST-CGSECTION-NEXT: ]
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# JSON-FIRST-CGSECTION-NOT: {{.}}
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--- !ELF
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FileHeader:
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Class: ELFCLASS64
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Data: ELFDATA2LSB
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Type: ET_DYN
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Sections:
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- Name: .text
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Type: SHT_PROGBITS
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- Type: SHT_LLVM_CALL_GRAPH
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Link: .text
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ContentArray: [
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## --- foo ---
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0x00, ## Version
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0x01, ## Flags
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0x90, 0x17, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, ## FunctionEntryPC: 0x1790
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0x24, 0x44, 0xF7, 0x31, 0xF5, 0xEE, 0xCB, 0x3E, ## FunctionTypeID: 0x3ECBEEF531F74424
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]
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## This following second call graph section will be completely ignored.
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- Type: SHT_LLVM_CALL_GRAPH
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Link: .text
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ContentArray: [
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## --- bar ---
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0x00, ## Version
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0x01, ## Flags
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0xA0, 0x17, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, ## FunctionEntryPC: 0x17A0
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0x24, 0x44, 0xF7, 0x31, 0xF5, 0xEE, 0xCB, 0x3E, ## FunctionTypeID: 0x3ECBEEF531F74424
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]
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Symbols:
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- Name: foo
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Type: STT_FUNC
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Section: .text
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Value: 0x1790
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## Check warning when the relocation section linked to SHT_LLVM_CALL_GRAPH has an invalid sh_link.
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# RUN: yaml2obj --docnum=8 -DLINK=255 -DINFO=.llvm_call_graph %s -o %t13
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# RUN: llvm-readobj --elf-output-style=LLVM --call-graph-info %t13 2>&1 | \
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# RUN: FileCheck %s -DFILE=%t13 --check-prefix=INVALID-RELA-LINK
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# RUN: llvm-readobj --elf-output-style=JSON --call-graph-info %t13 2>&1 | \
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# RUN: FileCheck %s -DFILE=%t13 --check-prefix=INVALID-RELA-LINK
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# INVALID-RELA-LINK: warning: '[[FILE]]': invalid section linked to SHT_RELA section with index 2: invalid section index: 255
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## Check warning when getSectionAndRelocations fails to read sections.
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# RUN: yaml2obj --docnum=8 -DLINK=0 -DINFO=255 %s -o %t14
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# RUN: llvm-readobj --elf-output-style=LLVM --call-graph-info %t14 2>&1 | \
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# RUN: FileCheck %s -DFILE=%t14 --check-prefix=ERR-READ-SECTION
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# RUN: llvm-readobj --elf-output-style=JSON --call-graph-info %t14 2>&1 | \
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# RUN: FileCheck %s -DFILE=%t14 --check-prefix=ERR-READ-SECTION
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# 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
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--- !ELF
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FileHeader:
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Class: ELFCLASS64
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Data: ELFDATA2LSB
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Type: ET_REL
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Machine: EM_X86_64
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Sections:
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- Name: .llvm_call_graph
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Type: SHT_LLVM_CALL_GRAPH
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ContentArray: [
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'0', ## Format version number
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'1', ## Flag IsIndirectTarget true
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'0', '0', '0', '0', '0', '0', '0', '0', ## foo()'s address
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'0', '0', '0', '0', '0', '0', '0', '0', ## foo()'s TypeID Unknown
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]
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- Name: .rela.llvm_call_graph
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Type: SHT_RELA
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Link: [[LINK]]
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Info: [[INFO]]
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Relocations:
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- Offset: 0x2
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Symbol: foo
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Type: R_X86_64_64
|
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Symbols:
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|
- Name: foo
|