xref: /llvm-project/bolt/test/X86/high_pc_udata.s (revision 11791ae7b0b05b8bd8d806331ff51da618912cf8)

# REQUIRES: system-linux

# RUN: llvm-mc -filetype=obj -triple x86_64-unknown-linux %s -o %t1.o
# RUN: %clang %cflags %t1.o -o %t.exe -Wl,-q
# RUN: llvm-bolt %t.exe -o %t.bolt --update-debug-sections
# RUN: llvm-dwarfdump --show-form --verbose --debug-info %t.exe | FileCheck --check-prefix=PRECHECK %s
# RUN: llvm-dwarfdump --show-form --verbose --debug-info %t.bolt | FileCheck --check-prefix=POSTCHECK %s

# PRECHECK: DW_AT_high_pc [DW_FORM_udata]	(15)
# PRECHECK-NEXT: DW_AT_name [DW_FORM_strp]
# PRECHECK-SAME: "main.cpp"

# POSTCHECK: DW_AT_ranges [DW_FORM_sec_offset]
# POSTCHECK-NEXT: [
# POSTCHECK-NEXT: DW_AT_name [DW_FORM_strp]
# POSTCHECK-SAME: "main.cpp"

## Testing that BOLT transforms DW_AT_high_pc of form DW_FORM_udata correctly into DW_AT_ranges.
## Manually changed so that DW_AT_high_pc is DW_FORM_udata, and that DW_AT_name is after it.
# int main() {
#    return 0;
# }
.text
	.file	"main.cpp"
	.globl	main                            # -- Begin function main
	.p2align	4, 0x90
	.type	main,@function
main:                                   # @main
.Lfunc_begin0:
	.file	1 "" "main.cpp"
	.loc	1 1 0                           # main.cpp:1:0
	.cfi_startproc
# %bb.0:                                # %entry
	pushq	%rbp
	.cfi_def_cfa_offset 16
	.cfi_offset %rbp, -16
	movq	%rsp, %rbp
	.cfi_def_cfa_register %rbp
	movl	$0, -4(%rbp)
.Ltmp0:
	.loc	1 2 1 prologue_end              # main.cpp:2:1
	xorl	%eax, %eax
	popq	%rbp
	.cfi_def_cfa %rsp, 8
	retq
.Ltmp1:
.Lfunc_end0:
	.size	main, .Lfunc_end0-main
	.cfi_endproc
                                        # -- End function
	.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	14                              # DW_FORM_strp
	.byte	19                              # DW_AT_language
	.byte	5                               # DW_FORM_data2
	.byte	16                              # DW_AT_stmt_list
	.byte	23                              # DW_FORM_sec_offset
	.byte	27                              # DW_AT_comp_dir
	.byte	14                              # DW_FORM_strp
	.byte	17                              # DW_AT_low_pc
	.byte	1                               # DW_FORM_addr
	.byte	18                              # DW_AT_high_pc
	.byte	15                              # DW_FORM_udata
	.byte	3                               # DW_AT_name
	.byte	14                              # DW_FORM_strp
	.byte	0                               # EOM(1)
	.byte	0                               # EOM(2)
	.byte	2                               # 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
	.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
	.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	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	0                               # EOM(3)
	.section	.debug_info,"",@progbits
.Lcu_begin0:
	.long	.Ldebug_info_end0-.Ldebug_info_start0 # Length of Unit
.Ldebug_info_start0:
	.short	4                               # DWARF version number
	.long	.debug_abbrev                   # Offset Into Abbrev. Section
	.byte	8                               # Address Size (in bytes)
	.byte	1                               # Abbrev [1] 0xb:0x40 DW_TAG_compile_unit
	.long	.Linfo_string0                  # DW_AT_producer
	.short	33                              # DW_AT_language
	.long	.Lline_table_start0             # DW_AT_stmt_list
	.long	.Linfo_string2                  # DW_AT_comp_dir
	.quad	.Lfunc_begin0                   # DW_AT_low_pc
	.byte	.Lfunc_end0-.Lfunc_begin0       # DW_AT_high_pc
	.long	.Linfo_string1                  # DW_AT_name
	.byte	2                               # Abbrev [2] 0x2a:0x19 DW_TAG_subprogram
	.quad	.Lfunc_begin0                   # DW_AT_low_pc
	.long	.Lfunc_end0-.Lfunc_begin0       # DW_AT_high_pc
	.byte	1                               # DW_AT_frame_base
	.byte	86
	.long	.Linfo_string3                  # DW_AT_name
	.byte	1                               # DW_AT_decl_file
	.byte	1                               # DW_AT_decl_line
	.long	64                              # DW_AT_type
                                        # DW_AT_external
	.byte	3                               # Abbrev [3] 0x43:0x7 DW_TAG_base_type
	.long	.Linfo_string4                  # DW_AT_name
	.byte	5                               # DW_AT_encoding
	.byte	4                               # DW_AT_byte_size
	.byte	0                               # End Of Children Mark
.Ldebug_info_end0:
	.section	.debug_str,"MS",@progbits,1
.Linfo_string0:
	.asciz	"clang" # string offset=0
.Linfo_string1:
	.asciz	"main.cpp"                      # string offset=134
.Linfo_string2:
	.asciz	"test" # string offset=143
.Linfo_string3:
	.asciz	"main"                          # string offset=186
.Linfo_string4:
	.asciz	"int"                           # string offset=191
	.ident	"clang"
	.section	".note.GNU-stack","",@progbits
	.addrsig
	.section	.debug_line,"",@progbits
.Lline_table_start0: