1## Test llvm-dwarfdump detects and reports invalid DWARF format of the file. 2 3# RUN: llvm-mc -triple x86_64-pc-linux %s -filetype=obj --defsym=CUEND=1 \ 4# RUN: | llvm-dwarfdump - 2>&1 | FileCheck --check-prefix=CUEND %s 5# CUEND: warning: DWARF unit from offset 0x0000000c incl. to offset 0x0000002b excl. tries to read DIEs at offset 0x0000002b 6 7# RUN: llvm-mc -triple x86_64-pc-linux %s -filetype=obj --defsym=ABBREVSETINVALID=1 \ 8# RUN: | llvm-dwarfdump - 2>&1 | FileCheck --check-prefix=ABBREVSETINVALID %s 9# ABBREVSETINVALID: warning: DWARF unit at offset 0x0000000c contains invalid abbreviation set offset 0x0 10 11# RUN: llvm-mc -triple x86_64-pc-linux %s -filetype=obj --defsym=ABBREVNO=2 \ 12# RUN: | llvm-dwarfdump - 2>&1 | FileCheck --check-prefix=ABBREVNO %s 13# ABBREVNO: warning: DWARF unit at offset 0x0000000c contains invalid abbreviation 2 at offset 0x00000018, valid abbreviations are 1, 5, 3-4 14 15# RUN: llvm-mc -triple x86_64-pc-linux %s -filetype=obj --defsym=FORMNO=0xdead \ 16# RUN: | llvm-dwarfdump - 2>&1 | FileCheck --check-prefix=FORMNO %s 17# FORMNO: warning: DWARF unit at offset 0x0000000c contains invalid FORM_* 0xdead at offset 0x00000018 18 19# RUN: llvm-mc -triple x86_64-pc-linux %s -filetype=obj --defsym=SHORTINITLEN=1 \ 20# RUN: | llvm-dwarfdump - 2>&1 | FileCheck --check-prefix=SHORTINITLEN %s 21# SHORTINITLEN: warning: DWARF unit at 0x0000002c cannot be parsed: 22# SHORTINITLEN-NEXT: warning: unexpected end of data at offset 0x2d while reading [0x2c, 0x30) 23 24# RUN: llvm-mc -triple x86_64-pc-linux %s -filetype=obj --defsym=BADTYPEUNIT=1 \ 25# RUN: | llvm-dwarfdump - 2>&1 | FileCheck --check-prefix=BADTYPEUNITBEFORE %s 26# BADTYPEUNITBEFORE: warning: DWARF type unit at offset 0x0000002c has its relocated type_offset 0x0000002d pointing inside the header 27 28# RUN: llvm-mc -triple x86_64-pc-linux %s -filetype=obj --defsym=BADTYPEUNIT=0x100 \ 29# RUN: | llvm-dwarfdump - 2>&1 | FileCheck --check-prefix=BADTYPEUNITAFTER %s 30# BADTYPEUNITAFTER: warning: DWARF type unit from offset 0x0000002c incl. to offset 0x00000045 excl. has its relocated type_offset 0x0000012c pointing past the unit end 31 32# RUN: llvm-mc -triple x86_64-pc-linux %s -filetype=obj --defsym=TOOLONG=1 \ 33# RUN: | llvm-dwarfdump - 2>&1 | FileCheck --check-prefix=TOOLONG %s 34# TOOLONG: warning: DWARF unit from offset 0x0000000c incl. to offset 0x0000002d excl. extends past section size 0x0000002c 35 36 .section .debug_abbrev,"",@progbits 37.ifndef ABBREVSETINVALID 38 .uleb128 1 # Abbreviation Code 39 .uleb128 17 # DW_TAG_compile_unit 40 .uleb128 1 # DW_CHILDREN_yes 41 .uleb128 37 # DW_AT_producer 42.ifndef FORMNO 43 .uleb128 8 # DW_FORM_string 44.else 45 .uleb128 FORMNO 46.endif 47 .uleb128 0 # end abbrev 1 DW_AT_* 48 .uleb128 0 # end abbrev 1 DW_FORM_* 49 .uleb128 5 # Abbreviation Code 50 .uleb128 10 # DW_TAG_label 51 .uleb128 0 # DW_CHILDREN_no 52 .uleb128 0 # end abbrev 4 DW_AT_* 53 .uleb128 0 # end abbrev 4 DW_FORM_* 54 .uleb128 3 # Abbreviation Code 55 .uleb128 10 # DW_TAG_label 56 .uleb128 0 # DW_CHILDREN_no 57 .uleb128 0 # end abbrev 3 DW_AT_* 58 .uleb128 0 # end abbrev 3 DW_FORM_* 59 .uleb128 4 # Abbreviation Code 60 .uleb128 10 # DW_TAG_label 61 .uleb128 0 # DW_CHILDREN_no 62 .uleb128 0 # end abbrev 4 DW_AT_* 63 .uleb128 0 # end abbrev 4 DW_FORM_* 64 .uleb128 0 # end abbrevs section 65.endif 66 67 .section .debug_info,"",@progbits 68## The first CU is here to shift the next CU being really tested to non-zero CU 69## offset to check more for error messages. 70 .long .Lcu_endp-.Lcu_startp # Length of Unit 71.Lcu_startp: 72 .short 4 # DWARF version number 73 .long .debug_abbrev # Offset Into Abbrev. Section 74 .byte 8 # Address Size (in bytes) 75 .uleb128 0 # End Of Children Mark 76.Lcu_endp: 77 78.ifndef TOOLONG 79.equ TOOLONG, 0 80.endif 81 .long .Lcu_end0-.Lcu_start0 + TOOLONG # Length of Unit 82.Lcu_start0: 83 .short 4 # DWARF version number 84 .long .debug_abbrev # Offset Into Abbrev. Section 85 .byte 8 # Address Size (in bytes) 86.ifndef ABBREVNO 87 .uleb128 1 # Abbrev [1] DW_TAG_compile_unit 88.else 89 .uleb128 ABBREVNO 90.endif 91 .asciz "hand-written DWARF" # DW_AT_producer 92.ifndef CUEND 93 .uleb128 0 # End Of Children Mark 94.endif 95.Lcu_end0: 96 97.ifdef SHORTINITLEN 98 .byte 0x55 # Too short Length of Unit 99.endif 100.ifdef BADTYPEUNIT 101 .long .Lcu_end1-.Lcu_start1 # Length of Unit 102.Lcu_start1: 103 .short 5 # DWARF version number 104 .byte 2 # DW_UT_type 105 .byte 8 # Address Size (in bytes) 106 .long .debug_abbrev # Offset Into Abbrev. Section 107 .quad 0xbaddefacedfacade # Type Signature 108 .long BADTYPEUNIT # Type DIE Offset 109 .uleb128 0 # End Of Children Mark 110.Lcu_end1: 111.endif 112