xref: /llvm-project/lld/test/MachO/invalid/undef-debug.s (revision 5792797c5b1316e19a7487fc016847f9a55a8f68)

# 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: