File: line-numbers.test

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llvm-toolchain-19 1%3A19.1.7-3
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## Check that printing line numbers isn't attempted for files like bitcode,
## which have symbols but limited/no section or debug info.
# RUN: llvm-nm --line-numbers %p/Inputs/test.IRobj-x86_64 | FileCheck %s --check-prefix=BITCODE --match-full-lines --implicit-check-not={{.}}
# BITCODE:      ---------------- S _global_const
# BITCODE-NEXT: ---------------- D _global_data
# BITCODE-NEXT: ---------------- T _global_func
# BITCODE-NEXT: ---------------- S _hidden_const
# BITCODE-NEXT: ---------------- D _hidden_data
# BITCODE-NEXT: ---------------- T _hidden_func
# BITCODE-NEXT: ---------------- s _static_const
# BITCODE-NEXT: ---------------- d _static_data
# BITCODE-NEXT: ---------------- t _static_func

## Check that various symbol types can use debug information if available to
## print line numbers, and if unavailable, don't print anything erroneous. The
## specific cases checked are given by the symbol names below. Other test cases
## place requirements on the contents of the whole file, so they are kept out
## of main.o.
# RUN: rm -rf %t
# RUN: split-file %s %t
# RUN: llvm-mc -g --filetype=obj -triple=x86_64-pc-linux %t/main.s -o %t/main.o
# RUN: llvm-nm -l %t/main.o | FileCheck %s --match-full-lines --implicit-check-not={{.}}
# RUN: llvm-nm --line-numbers %t/main.o | FileCheck %s --match-full-lines --implicit-check-not={{.}}

# CHECK:      0000000000001234 a absolute_symbol
# CHECK-NEXT: 0000000000000000 d data_no_dwarf
# CHECK-NEXT: 0000000000000000 T defined_global_function [[FILENAME:.*main.s]]:4
# CHECK-NEXT: 0000000000000001 t defined_local_function [[FILENAME]]:7
# CHECK-NEXT: 0000000000000000 t function_no_dwarf
# CHECK-NEXT:                  U undef1 [[FILENAME]]:12
# CHECK-NEXT:                  U undef2 [[FILENAME]]:14
# CHECK-NEXT:                  U undef_no_reloc
# CHECK-NEXT: 0000000000000002 t undefined_references [[FILENAME]]:12

## Check that in the absence of DWARF in the whole object, no line number
## information is printed.
# RUN: llvm-mc --filetype=obj %t/main.s -triple=x86_64-pc-linux -o %t/no-dwarf.o
# RUN: llvm-nm -l %t/no-dwarf.o | FileCheck %s --check-prefix=NO-DWARF --match-full-lines --implicit-check-not={{.}}

# NO-DWARF:      0000000000001234 a absolute_symbol
# NO-DWARF-NEXT: 0000000000000000 d data_no_dwarf
# NO-DWARF-NEXT: 0000000000000000 T defined_global_function
# NO-DWARF-NEXT: 0000000000000001 t defined_local_function
# NO-DWARF-NEXT: 0000000000000000 t function_no_dwarf
# NO-DWARF-NEXT:                  U undef1
# NO-DWARF-NEXT:                  U undef2
# NO-DWARF-NEXT:                  U undef_no_reloc
# NO-DWARF-NEXT: 0000000000000002 t undefined_references

## Check that printing line numbers for undefined values is not attempted in
## the absence of any relocation section.
# RUN: llvm-mc --filetype=obj %t/undef-no-reloc-sections.s -triple=x86_64-pc-linux -o %t/undef-no-reloc-sections.o
# RUN: llvm-nm --line-numbers %t/undef-no-reloc-sections.o | FileCheck %s --check-prefix=UNDEF-NO-RELOC-SECTIONS --match-full-lines --implicit-check-not={{.}}

# UNDEF-NO-RELOC-SECTIONS: U undef

## Check that printing line numbers for undefined values does not include
## relocations for non-text sections. This is broken out of main.s to ensure
## that the data relocation for undef comes first.
# RUN: llvm-mc -g --filetype=obj %t/undef-data-reloc.s -triple=x86_64-pc-linux -o %t/undef-data-reloc.o
# RUN: llvm-nm --line-numbers %t/undef-data-reloc.o | FileCheck %s --check-prefix=UNDEF-DATA-RELOC --match-full-lines --implicit-check-not={{.}}

# UNDEF-DATA-RELOC:      0000000000000000 r data_reloc
# UNDEF-DATA-RELOC-NEXT:                  U undef

## Check that line numbers can be printed for data definitions. These are broken
## out of main.s since their DWARF cannot be generated with llvm-mc -g.
# RUN: llvm-mc -g --filetype=obj %t/data-dwarf.s -triple=x86_64-pc-linux -o %t/data-dwarf.o
# RUN: llvm-nm --line-numbers %t/data-dwarf.o | FileCheck %s --check-prefix=DATA-DWARF --match-full-lines --implicit-check-not={{.}}

# DATA-DWARF: 0000000000000000 D defined_data /tmp{{\\|/}}tmp.c:1

#--- main.s
.text
.globl defined_global_function
defined_global_function:
  ret

defined_local_function:
  ret

absolute_symbol = 0x1234

undefined_references:
  nop
  .long undef1
  nop
  .long undef2
  ret

# Note: llvm-mc -g produces no DWARF for data.
.data
data_no_dwarf:
  .byte 0

.globl undef_no_reloc

# Note: llvm-mc -g does not produce DWARF for non-SHF_ALLOC sections.
.section no_alloc_text,"x",@progbits
function_no_dwarf:
  ret

#--- undef-no-reloc-sections.s
.globl undef

#--- undef-data-reloc.s
.globl undef
.rodata
data_reloc:
  .long undef

#--- data-dwarf.s
# char defined_data = 42
	.text
	.file	"tmp.c"
	.file	0 "/tmp" "/tmp/tmp.c" md5 0x39602a53b15a32d6a622ca86936e88d7
	.file	1 "tmp.c" md5 0x39602a53b15a32d6a622ca86936e88d7
	.type	defined_data,@object            # @defined_data
	.data
	.globl	defined_data
defined_data:
	.byte	42                              # 0x2a
	.size	defined_data, 1

	.section	.debug_abbrev,"",@progbits
	.byte	1                               # Abbreviation Code
	.byte	17                              # DW_TAG_compile_unit
	.byte	1                               # DW_CHILDREN_yes
	.byte	37                              # DW_AT_producer
	.byte	37                              # DW_FORM_strx1
	.byte	19                              # DW_AT_language
	.byte	5                               # DW_FORM_data2
	.byte	3                               # DW_AT_name
	.byte	37                              # DW_FORM_strx1
	.byte	114                             # DW_AT_str_offsets_base
	.byte	23                              # DW_FORM_sec_offset
	.byte	16                              # DW_AT_stmt_list
	.byte	23                              # DW_FORM_sec_offset
	.byte	27                              # DW_AT_comp_dir
	.byte	37                              # DW_FORM_strx1
	.byte	115                             # DW_AT_addr_base
	.byte	23                              # DW_FORM_sec_offset
	.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	37                              # DW_FORM_strx1
	.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	36                              # DW_TAG_base_type
	.byte	0                               # DW_CHILDREN_no
	.byte	3                               # DW_AT_name
	.byte	37                              # DW_FORM_strx1
	.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	0                               # EOM(3)
	.section	.debug_info,"",@progbits
.Lcu_begin0:
	.long	.Ldebug_info_end0-.Ldebug_info_start0 # Length of Unit
.Ldebug_info_start0:
	.short	5                               # DWARF version number
	.byte	1                               # DWARF Unit Type
	.byte	8                               # Address Size (in bytes)
	.long	.debug_abbrev                   # Offset Into Abbrev. Section
	.byte	1                               # Abbrev [1] 0xc:0x22 DW_TAG_compile_unit
	.byte	0                               # DW_AT_producer
	.short	12                              # DW_AT_language
	.byte	1                               # DW_AT_name
	.long	.Lstr_offsets_base0             # DW_AT_str_offsets_base
	.long	.Lline_table_start0             # DW_AT_stmt_list
	.byte	2                               # DW_AT_comp_dir
	.long	.Laddr_table_base0              # DW_AT_addr_base
	.byte	2                               # Abbrev [2] 0x1e:0xb DW_TAG_variable
	.byte	3                               # DW_AT_name
	.long	41                              # DW_AT_type
                                        # DW_AT_external
	.byte	1                               # DW_AT_decl_file
	.byte	1                               # DW_AT_decl_line
	.byte	2                               # DW_AT_location
	.byte	161
	.byte	0
	.byte	3                               # Abbrev [3] 0x29:0x4 DW_TAG_base_type
	.byte	4                               # DW_AT_name
	.byte	6                               # DW_AT_encoding
	.byte	1                               # DW_AT_byte_size
	.byte	0                               # End Of Children Mark
.Ldebug_info_end0:
	.section	.debug_str_offsets,"",@progbits
	.long	24                              # Length of String Offsets Set
	.short	5
	.short	0
.Lstr_offsets_base0:
	.section	.debug_str,"MS",@progbits,1
.Linfo_string0:
	.asciz	"Debian clang version 14.0.6"   # string offset=0
.Linfo_string1:
	.asciz	"/tmp/tmp.c"                    # string offset=28
.Linfo_string2:
	.asciz	"/tmp"                          # string offset=39
.Linfo_string3:
	.asciz	"defined_data"                  # string offset=44
.Linfo_string4:
	.asciz	"char"                          # string offset=57
	.section	.debug_str_offsets,"",@progbits
	.long	.Linfo_string0
	.long	.Linfo_string1
	.long	.Linfo_string2
	.long	.Linfo_string3
	.long	.Linfo_string4
	.section	.debug_addr,"",@progbits
	.long	.Ldebug_addr_end0-.Ldebug_addr_start0 # Length of contribution
.Ldebug_addr_start0:
	.short	5                               # DWARF version number
	.byte	8                               # Address size
	.byte	0                               # Segment selector size
.Laddr_table_base0:
	.quad	defined_data
.Ldebug_addr_end0:
	.ident	"Debian clang version 14.0.6"
	.section	".note.GNU-stack","",@progbits
	.addrsig
	.section	.debug_line,"",@progbits
.Lline_table_start0: