# RUN: llvm-mc %s -filetype obj -triple x86_64-apple-darwin -o - \ # RUN: | not llvm-dwarfdump -verify - \ # RUN: | FileCheck %s # CHECK: Verifying .apple_names... # CHECK-NEXT: error: Bucket[0] has invalid hash index: 4294967294. # CHECK-NEXT: error: Hash[0] has invalid HashData offset: 0x000000b4. # CHECK-NEXT: error: .apple_names Bucket[1] Hash[1] = 0x0002b60f Str[0] = 0x0000005a DIE[0] = 0x00000001 is not a valid DIE offset for "j". # This test is meant to verify that the -verify option # in llvm-dwarfdump, correctly identifies # an invalid hash index for bucket[0] in the .apple_names section, # an invalid HashData offset for Hash[0], as well as # an invalid DIE offset in the .debug_info section. # We're reading an invalid DIE due to the incorrect interpretation of DW_FORM for the DIE. # Instead of DW_FORM_data4 the Atom[0].form is: DW_FORM_flag_present. .section __TEXT,__text,regular,pure_instructions .file 1 "basic.c" .comm _i,4,2 ## @i .comm _j,4,2 ## @j .section __DWARF,__debug_str,regular,debug Linfo_string: .asciz "Apple LLVM version 8.1.0 (clang-802.0.35)" ## string offset=0 .asciz "basic.c" ## string offset=42 .asciz "/Users/sgravani/Development/tests" ## string offset=50 .asciz "i" ## string offset=84 .asciz "int" ## string offset=86 .asciz "j" ## string offset=90 .section __DWARF,__debug_info,regular,debug Lsection_info: .section __DWARF,__apple_names,regular,debug Lnames_begin: .long 1212240712 ## Header Magic .short 1 ## Header Version .short 0 ## Header Hash Function .long 2 ## Header Bucket Count .long 2 ## Header Hash Count .long 12 ## Header Data Length .long 0 ## HeaderData Die Offset Base .long 1 ## HeaderData Atom Count .short 1 ## DW_ATOM_die_offset .short 25 ## DW_FORM_data4 -- error: .apple_names Bucket[1] Hash[1] = 0x0002b60f Str[0] = 0x0000005a DIE[0] = 0x00000001 is not a valid DIE offset for "j". .long -2 ## Bucket 0 -- error: Bucket[0] has invalid hash index: 4294967294. .long 1 ## Bucket 1 .long 177678 ## Hash in Bucket 0 .long 177679 ## Hash in Bucket 1 .long Lsection_line ## Offset in Bucket 0 -- error: Hash[0] has invalid HashData offset: 0x000000b4. .long LNames1-Lnames_begin ## Offset in Bucket 1 LNames0: .long 84 ## i .long 1 ## Num DIEs .long 30 .long 0 LNames1: .long 90 ## j .long 1 ## Num DIEs .long 58 .long 0 .subsections_via_symbols .section __DWARF,__debug_line,regular,debug Lsection_line: Lline_table_start0: