maxjhandsome
/
llvm-project
forked from OSchip/llvm-project
1
0
Fork 0
Code Issues Pull Requests Packages Releases Wiki Activity
llvm-project/lld/test/ELF/gdb-index-invalid-pubnames.s

Ignoring revisions in .git-blame-ignore-revs. Click here to bypass and see the normal blame view.

27 lines
1.0 KiB
ArmAsm
Raw Normal View History

[DebugInfo] Do not hang when parsing a malformed .debug_pub* section. The parsing method did not check reading errors and might easily fall into an infinite loop on an invalid input because of that. Differential Revision: https://reviews.llvm.org/D83049
2020-07-09 20:15:11 +08:00
# REQUIRES: x86
# RUN: llvm-mc -filetype=obj -triple=x86_64 %s -o %t
# RUN: ld.lld --gdb-index %t -o /dev/null 2>&1 | FileCheck %s
[DebugInfo] Add more checks to parsing .debug_pub* sections. The patch adds checking for various potential issues in parsing name lookup tables and reporting them as recoverable errors, similarly as we do for other tables. Differential Revision: https://reviews.llvm.org/D83050
2020-07-09 20:15:31 +08:00
# CHECK: warning: {{.*}}(.debug_gnu_pubnames): name lookup table at offset 0x0 parsing failed: unexpected end of data at offset 0x1 while reading [0x0, 0x4)
[DebugInfo] Do not hang when parsing a malformed .debug_pub* section. The parsing method did not check reading errors and might easily fall into an infinite loop on an invalid input because of that. Differential Revision: https://reviews.llvm.org/D83049
2020-07-09 20:15:11 +08:00
.section .debug_abbrev,"",@progbits
.byte 1 # Abbreviation Code
.byte 17 # DW_TAG_compile_unit
.byte 0 # DW_CHILDREN_no
.byte 0 # EOM(1)
.byte 0 # EOM(2)
.byte 0 # EOM(3)
.section .debug_info,"",@progbits
.LCUBegin:
.long .LUnitEnd-.LUnitBegin # Length of Unit
.LUnitBegin:
.short 4 # DWARF version number
.long .debug_abbrev # Offset Into Abbrev. Section
.byte 8 # Address Size (in bytes)
.byte 1 # Abbrev [1] DW_TAG_compile_unit
.LUnitEnd:
.section .debug_gnu_pubnames,"",@progbits
.byte 0