| # REQUIRES: x86 |
| # RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux %s -o %t.o |
| # RUN: ld.lld --gdb-index %t.o -o %t |
| # RUN: llvm-dwarfdump -debug-dump=gdb_index %t | FileCheck %s |
| |
| ## Testcase is based on output produced by gcc version 5.4.1 20160904 |
| ## it has duplicate entries in .debug_gnu_pubtypes which seems to be |
| ## compiler bug. In that case it is useless to have them in .gdb_index |
| ## and we filter such entries out to reduce size of .gdb_index. |
| |
| ## CHECK: Constant pool offset = {{.*}}, has 1 CU vectors: |
| ## CHECK-NOT: 0(0x0): 0x90000000 0x90000000 |
| |
| .section .debug_abbrev,"",@progbits |
| .byte 1 # Abbreviation Code |
| .byte 17 # DW_TAG_compile_unit |
| .byte 0 # DW_CHILDREN_no |
| .byte 16 # DW_AT_stmt_list |
| .byte 23 # DW_FORM_sec_offset |
| .ascii "\260B" # DW_AT_GNU_dwo_name |
| .byte 14 # DW_FORM_strp |
| .byte 27 # DW_AT_comp_dir |
| .byte 14 # DW_FORM_strp |
| .ascii "\264B" # DW_AT_GNU_pubnames |
| .byte 25 # DW_FORM_flag_present |
| .ascii "\261B" # DW_AT_GNU_dwo_id |
| .byte 7 # DW_FORM_data8 |
| .ascii "\263B" # DW_AT_GNU_addr_base |
| .byte 23 # DW_FORM_sec_offset |
| .byte 0 # EOM(1) |
| .byte 0 # EOM(2) |
| .byte 0 # EOM(3) |
| |
| .section .debug_info,"",@progbits |
| .Lcu_begin0: |
| .long 32 # Length of Unit |
| .short 4 # DWARF version number |
| .long .debug_abbrev # Offset Into Abbrev. Section |
| .byte 8 # Address Size (in bytes) |
| .byte 1 # Abbrev [1] 0xb:0x19 DW_TAG_compile_unit |
| .long 0 # DW_AT_stmt_list |
| .long 0 # DW_AT_GNU_dwo_name |
| .long 0 # DW_AT_comp_dir |
| .quad 0 # DW_AT_GNU_dwo_id |
| .long 0 # DW_AT_GNU_addr_base |
| |
| .section .debug_gnu_pubtypes,"",@progbits |
| .long .LpubTypes_end0-.LpubTypes_begin0 # Length of Public Types Info |
| .LpubTypes_begin0: |
| .short 2 # DWARF Version |
| .long .Lcu_begin0 # Offset of Compilation Unit Info |
| .long 36 # Compilation Unit Length |
| .long 36 # DIE offset |
| .byte 144 # Kind: TYPE, STATIC |
| .asciz "int" # External Name |
| .long 36 # DIE offset |
| .byte 144 # Kind: TYPE, STATIC |
| .asciz "int" # External Name |
| .long 0 # End Mark |
| .LpubTypes_end0: |
