# REQUIRES: aarch64 # RUN: llvm-mc -filetype=obj -triple=arm64-apple-macos %s -o %t.o # RUN: not %lld -arch arm64 %t.o -o /dev/null 2>&1 | FileCheck %s # CHECK: undefined symbol: _undef # CHECK-NEXT: >>> referenced by test.c:3 # CHECK-NEXT: >>> {{.*}}.o:(symbol _main+0x0) # CHECK-NEXT: >>> referenced by test.c:2 # CHECK-NEXT >>> {{.*}}.o:(symbol _ptr+0x0) ## This is the output of `clang -g2 -O2 -fdebug-compilation-dir=. -fno-ident` called on the following file, with the ## Apple DWARF tables removed: ## ## int undef(); ## int (*ptr)() = &undef; ## int main() { return undef(); }; .section __TEXT,__text,regular,pure_instructions .build_version macos, 12, 0 sdk_version 13, 0 .file 1 "." "test.c" .globl _main ; -- Begin function main .p2align 2 _main: ; @main Lfunc_begin0: .loc 1 3 0 ; test.c:3:0 .cfi_startproc ; %bb.0: .loc 1 3 21 prologue_end ; test.c:3:21 b _undef Ltmp0: Lfunc_end0: .cfi_endproc ; -- End function .section __DATA,__data .globl _ptr ; @ptr .p2align 3 _ptr: .quad _undef .section __DWARF,__debug_abbrev,regular,debug Lsection_abbrev: .byte 1 ; Abbreviation Code .byte 17 ; DW_TAG_compile_unit .byte 1 ; DW_CHILDREN_yes .byte 37 ; DW_AT_producer .byte 14 ; DW_FORM_strp .byte 19 ; DW_AT_language .byte 5 ; DW_FORM_data2 .byte 3 ; DW_AT_name .byte 14 ; DW_FORM_strp .ascii "\202|" ; DW_AT_LLVM_sysroot .byte 14 ; DW_FORM_strp .ascii "\357\177" ; DW_AT_APPLE_sdk .byte 14 ; DW_FORM_strp .byte 16 ; DW_AT_stmt_list .byte 23 ; DW_FORM_sec_offset .byte 27 ; DW_AT_comp_dir .byte 14 ; DW_FORM_strp .ascii "\341\177" ; DW_AT_APPLE_optimized .byte 25 ; DW_FORM_flag_present .byte 17 ; DW_AT_low_pc .byte 1 ; DW_FORM_addr .byte 18 ; DW_AT_high_pc .byte 6 ; DW_FORM_data4 .byte 0 ; EOM(1) .byte 0 ; EOM(2) .byte 2 ; Abbreviation Code .byte 52 ; DW_TAG_variable .byte 0 ; DW_CHILDREN_no .byte 3 ; DW_AT_name .byte 14 ; DW_FORM_strp .byte 73 ; DW_AT_type .byte 19 ; DW_FORM_ref4 .byte 63 ; DW_AT_external .byte 25 ; DW_FORM_flag_present .byte 58 ; DW_AT_decl_file .byte 11 ; DW_FORM_data1 .byte 59 ; DW_AT_decl_line .byte 11 ; DW_FORM_data1 .byte 2 ; DW_AT_location .byte 24 ; DW_FORM_exprloc .byte 0 ; EOM(1) .byte 0 ; EOM(2) .byte 3 ; Abbreviation Code .byte 15 ; DW_TAG_pointer_type .byte 0 ; DW_CHILDREN_no .byte 73 ; DW_AT_type .byte 19 ; DW_FORM_ref4 .byte 0 ; EOM(1) .byte 0 ; EOM(2) .byte 4 ; Abbreviation Code .byte 21 ; DW_TAG_subroutine_type .byte 1 ; DW_CHILDREN_yes .byte 73 ; DW_AT_type .byte 19 ; DW_FORM_ref4 .byte 0 ; EOM(1) .byte 0 ; EOM(2) .byte 5 ; Abbreviation Code .byte 24 ; DW_TAG_unspecified_parameters .byte 0 ; DW_CHILDREN_no .byte 0 ; EOM(1) .byte 0 ; EOM(2) .byte 6 ; Abbreviation Code .byte 36 ; DW_TAG_base_type .byte 0 ; DW_CHILDREN_no .byte 3 ; DW_AT_name .byte 14 ; DW_FORM_strp .byte 62 ; DW_AT_encoding .byte 11 ; DW_FORM_data1 .byte 11 ; DW_AT_byte_size .byte 11 ; DW_FORM_data1 .byte 0 ; EOM(1) .byte 0 ; EOM(2) .byte 7 ; Abbreviation Code .byte 46 ; DW_TAG_subprogram .byte 0 ; DW_CHILDREN_no .byte 17 ; DW_AT_low_pc .byte 1 ; DW_FORM_addr .byte 18 ; DW_AT_high_pc .byte 6 ; DW_FORM_data4 .ascii "\347\177" ; DW_AT_APPLE_omit_frame_ptr .byte 25 ; DW_FORM_flag_present .byte 64 ; DW_AT_frame_base .byte 24 ; DW_FORM_exprloc .byte 3 ; DW_AT_name .byte 14 ; DW_FORM_strp .byte 58 ; DW_AT_decl_file .byte 11 ; DW_FORM_data1 .byte 59 ; DW_AT_decl_line .byte 11 ; DW_FORM_data1 .byte 73 ; DW_AT_type .byte 19 ; DW_FORM_ref4 .byte 63 ; DW_AT_external .byte 25 ; DW_FORM_flag_present .ascii "\341\177" ; DW_AT_APPLE_optimized .byte 25 ; DW_FORM_flag_present .byte 0 ; EOM(1) .byte 0 ; EOM(2) .byte 0 ; EOM(3) .section __DWARF,__debug_info,regular,debug Lsection_info: Lcu_begin0: .set Lset0, Ldebug_info_end0-Ldebug_info_start0 ; Length of Unit .long Lset0 Ldebug_info_start0: .short 4 ; DWARF version number .set Lset1, Lsection_abbrev-Lsection_abbrev ; Offset Into Abbrev. Section .long Lset1 .byte 8 ; Address Size (in bytes) .byte 1 ; Abbrev [1] 0xb:0x69 DW_TAG_compile_unit .long 0 ; DW_AT_producer .short 12 ; DW_AT_language .long 1 ; DW_AT_name .long 8 ; DW_AT_LLVM_sysroot .long 60 ; DW_AT_APPLE_sdk .set Lset2, Lline_table_start0-Lsection_line ; DW_AT_stmt_list .long Lset2 .long 71 ; DW_AT_comp_dir ; DW_AT_APPLE_optimized .quad Lfunc_begin0 ; DW_AT_low_pc .set Lset3, Lfunc_end0-Lfunc_begin0 ; DW_AT_high_pc .long Lset3 .byte 2 ; Abbrev [2] 0x32:0x15 DW_TAG_variable .long 73 ; DW_AT_name .long 71 ; DW_AT_type ; DW_AT_external .byte 1 ; DW_AT_decl_file .byte 2 ; DW_AT_decl_line .byte 9 ; DW_AT_location .byte 3 .quad _ptr .byte 3 ; Abbrev [3] 0x47:0x5 DW_TAG_pointer_type .long 76 ; DW_AT_type .byte 4 ; Abbrev [4] 0x4c:0x7 DW_TAG_subroutine_type .long 83 ; DW_AT_type .byte 5 ; Abbrev [5] 0x51:0x1 DW_TAG_unspecified_parameters .byte 0 ; End Of Children Mark .byte 6 ; Abbrev [6] 0x53:0x7 DW_TAG_base_type .long 77 ; DW_AT_name .byte 5 ; DW_AT_encoding .byte 4 ; DW_AT_byte_size .byte 7 ; Abbrev [7] 0x5a:0x19 DW_TAG_subprogram .quad Lfunc_begin0 ; DW_AT_low_pc .set Lset4, Lfunc_end0-Lfunc_begin0 ; DW_AT_high_pc .long Lset4 ; DW_AT_APPLE_omit_frame_ptr .byte 1 ; DW_AT_frame_base .byte 111 .long 81 ; DW_AT_name .byte 1 ; DW_AT_decl_file .byte 3 ; DW_AT_decl_line .long 83 ; DW_AT_type ; DW_AT_external ; DW_AT_APPLE_optimized .byte 0 ; End Of Children Mark Ldebug_info_end0: .section __DWARF,__debug_str,regular,debug Linfo_string: .byte 0 ; string offset=0 .asciz "test.c" ; string offset=1 .asciz "/Library/Developer/CommandLineTools/SDKs/MacOSX.sdk" ; string offset=8 .asciz "MacOSX.sdk" ; string offset=60 .asciz "." ; string offset=71 .asciz "ptr" ; string offset=73 .asciz "int" ; string offset=77 .asciz "main" ; string offset=81 .section __DWARF,__debug_line,regular,debug Lsection_line: Lline_table_start0: