| # RUN: llvm-mc -triple x86_64 %s -filetype=obj -o %t |
| |
| ## All four name lookup table sections share the same parser, but slightly |
| ## different code paths are used to reach it. Do a comprehensive check for one |
| ## of the sections and minimal checks for the others. |
| |
| # RUN: not llvm-dwarfdump -debug-gnu-pubnames %t 2> %t.err | FileCheck %s |
| # RUN: FileCheck %s --input-file=%t.err --check-prefix=ERR |
| |
| # RUN: not llvm-dwarfdump -debug-pubnames -debug-pubtypes -debug-gnu-pubtypes %t 2>&1 | \ |
| # RUN: FileCheck %s --check-prefix=ERR-MIN |
| |
| .section .debug_gnu_pubnames,"",@progbits |
| # CHECK: .debug_gnu_pubnames contents: |
| |
| ## The next few sets do not contain all required fields in the header. |
| # ERR: error: name lookup table at offset 0x0 does not have a complete header: unexpected end of data at offset 0x5 while reading [0x4, 0x6) |
| # CHECK-NEXT: length = 0x00000001, format = DWARF32, version = 0x0000, unit_offset = 0x00000000, unit_size = 0x00000000 |
| # CHECK-NEXT: Offset Linkage Kind Name |
| # CHECK-NOT: 0x |
| .long .LSet0End-.LSet0 # Length |
| .LSet0: |
| .byte 1 # Version (truncated) |
| .LSet0End: |
| |
| # ERR: error: name lookup table at offset 0x5 does not have a complete header: unexpected end of data at offset 0xe while reading [0xb, 0xf) |
| # CHECK-NEXT: length = 0x00000005, format = DWARF32, version = 0x0002, unit_offset = 0x00000000, unit_size = 0x00000000 |
| # CHECK-NEXT: Offset Linkage Kind Name |
| # CHECK-NOT: 0x |
| .long .LSet1End-.LSet1 # Length |
| .LSet1: |
| .short 2 # Version |
| .byte 1, 2, 3 # Debug Info Offset (truncated) |
| .LSet1End: |
| |
| # ERR: error: name lookup table at offset 0xe does not have a complete header: unexpected end of data at offset 0x1b while reading [0x18, 0x1c) |
| # CHECK-NEXT: length = 0x00000009, format = DWARF32, version = 0x0002, unit_offset = 0x00000032, unit_size = 0x00000000 |
| # CHECK-NEXT: Offset Linkage Kind Name |
| # CHECK-NOT: 0x |
| .long .LSet2End-.LSet2 # Length |
| .LSet2: |
| .short 2 # Version |
| .long 0x32 # Debug Info Offset |
| .byte 1, 2, 3 # Debug Info Length (truncated) |
| .LSet2End: |
| |
| ## This set is terminated just after the header. |
| # ERR: error: name lookup table at offset 0x1b parsing failed: unexpected end of data at offset 0x29 while reading [0x29, 0x2d) |
| # CHECK-NEXT: length = 0x0000000a, format = DWARF32, version = 0x0002, unit_offset = 0x00000048, unit_size = 0x00000064 |
| # CHECK-NEXT: Offset Linkage Kind Name |
| # CHECK-NOT: 0x |
| .long .LSet3End-.LSet3 # Length |
| .LSet3: |
| .short 2 # Version |
| .long 0x48 # Debug Info Offset |
| .long 0x64 # Debug Info Length |
| .LSet3End: |
| |
| ## The offset in the first pair is truncated. |
| # ERR: error: name lookup table at offset 0x29 parsing failed: unexpected end of data at offset 0x3a while reading [0x37, 0x3b) |
| # CHECK-NEXT: length = 0x0000000d, format = DWARF32, version = 0x0002, unit_offset = 0x000000ac, unit_size = 0x00000036 |
| # CHECK-NEXT: Offset Linkage Kind Name |
| # CHECK-NOT: 0x |
| .long .LSet4End-.LSet4 # Length |
| .LSet4: |
| .short 2 # Version |
| .long 0xac # Debug Info Offset |
| .long 0x36 # Debug Info Length |
| .byte 1, 2, 3 # Offset (truncated) |
| .LSet4End: |
| |
| ## The set is truncated just after the offset of the first pair. |
| # ERR: error: name lookup table at offset 0x3a parsing failed: unexpected end of data at offset 0x4c while reading [0x4c, 0x4d) |
| # CHECK-NEXT: length = 0x0000000e, format = DWARF32, version = 0x0002, unit_offset = 0x000000e2, unit_size = 0x00000015 |
| # CHECK-NEXT: Offset Linkage Kind Name |
| # CHECK-NOT: 0x |
| .long .LSet5End-.LSet5 # Length |
| .LSet5: |
| .short 2 # Version |
| .long 0xe2 # Debug Info Offset |
| .long 0x15 # Debug Info Length |
| .long 0xf4 # Offset |
| .LSet5End: |
| |
| ## The set is truncated just after the index entry field of the first pair. |
| # ERR: error: name lookup table at offset 0x4c parsing failed: no null terminated string at offset 0x5f |
| # CHECK-NEXT: length = 0x0000000f, format = DWARF32, version = 0x0002, unit_offset = 0x000000f7, unit_size = 0x00000010 |
| # CHECK-NEXT: Offset Linkage Kind Name |
| # CHECK-NOT: 0x |
| .long .LSet6End-.LSet6 # Length |
| .LSet6: |
| .short 2 # Version |
| .long 0xf7 # Debug Info Offset |
| .long 0x10 # Debug Info Length |
| .long 0xf4 # Offset |
| .byte 0x30 # Index Entry |
| .LSet6End: |
| |
| ## This set contains a string which is not properly terminated. |
| # ERR: error: name lookup table at offset 0x5f parsing failed: no null terminated string at offset 0x72 |
| # CHECK-NEXT: length = 0x00000012, format = DWARF32, version = 0x0002, unit_offset = 0x00000107, unit_size = 0x0000004b |
| # CHECK-NEXT: Offset Linkage Kind Name |
| # CHECK-NOT: 0x |
| .long .LSet7End-.LSet7 # Length |
| .LSet7: |
| .short 2 # Version |
| .long 0x107 # Debug Info Offset |
| .long 0x4b # Debug Info Length |
| .long 0x111 # Offset |
| .byte 0x30 # Index Entry |
| .ascii "foo" # The string does not terminate before the set data ends. |
| .LSet7End: |
| |
| ## This set occupies some space after the terminator. |
| # ERR: error: name lookup table at offset 0x75 has a terminator at offset 0x8c before the expected end at 0x8d |
| # CHECK-NEXT: length = 0x00000018, format = DWARF32, version = 0x0002, unit_offset = 0x00000154, unit_size = 0x000002ac |
| # CHECK-NEXT: Offset Linkage Kind Name |
| # CHECK-NEXT: 0x0000018e EXTERNAL FUNCTION "foo" |
| # CHECK-NOT: 0x |
| .long .LSet8End-.LSet8 # Length |
| .LSet8: |
| .short 2 # Version |
| .long 0x154 # Debug Info Offset |
| .long 0x2ac # Debug Info Length |
| .long 0x18e # Offset |
| .byte 0x30 # Index Entry |
| .asciz "foo" # Name |
| .long 0 # Terminator |
| .space 1 |
| .LSet8End: |
| |
| ## The remaining space in the section is too short to even contain a unit length |
| ## field. |
| # ERR: error: name lookup table at offset 0x91 parsing failed: unexpected end of data at offset 0x94 while reading [0x91, 0x95) |
| # CHECK-NOT: length = |
| .space 3 |
| |
| # ERR-MIN: .debug_pubnames contents: |
| # ERR-MIN-NEXT: error: name lookup table at offset 0x0 parsing failed: unexpected end of data at offset 0x1 while reading [0x0, 0x4) |
| # ERR-MIN: .debug_pubtypes contents: |
| # ERR-MIN-NEXT: error: name lookup table at offset 0x0 parsing failed: unexpected end of data at offset 0x1 while reading [0x0, 0x4) |
| # ERR-MIN: .debug_gnu_pubtypes contents: |
| # ERR-MIN-NEXT: error: name lookup table at offset 0x0 parsing failed: unexpected end of data at offset 0x1 while reading [0x0, 0x4) |
| |
| .section .debug_pubnames,"",@progbits |
| .byte 0 |
| .section .debug_pubtypes,"",@progbits |
| .byte 0 |
| .section .debug_gnu_pubtypes,"",@progbits |
| .byte 0 |
