gdb/testsuite/gdb.dwarf2/dw2-single-line-discriminators.S

   1 /* This testcase is part of GDB, the GNU debugger.
   2
   3    Copyright 2014 Free Software Foundation, Inc.
   4
   5    This program is free software; you can redistribute it and/or modify
   6    it under the terms of the GNU General Public License as published by
   7    the Free Software Foundation; either version 3 of the License, or
   8    (at your option) any later version.
   9
  10    This program is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13    GNU General Public License for more details.
  14
  15    You should have received a copy of the GNU General Public License
  16    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
  17
  18 /* This was made from dw2-single-line-discriminators.c using
  19         clang -dA -S -g
  20    and then hand-editing the assembly a bit (simplify paths,
  21    tweak so gas accepts it).  */
  22
  23         .text
  24         .file   "dw2-single-line-discriminators.c"
  25         .section        .debug_info,"",@progbits
  26 .Lsection_info:
  27         .section        .debug_abbrev,"",@progbits
  28 .Lsection_abbrev:
  29         .section        .debug_line,"",@progbits
  30 .Lsection_line:
  31         .section        .debug_pubnames,"",@progbits
  32         .section        .debug_pubtypes,"",@progbits
  33         .section        .debug_str,"MS",@progbits,1
  34 .Linfo_string:
  35         .section        .debug_loc,"",@progbits
  36 .Lsection_debug_loc:
  37         .section        .debug_ranges,"",@progbits
  38 .Ldebug_range:
  39         .file   1 "gdb.dwarf2/dw2-single-line-discriminators.c"
  40         .text
  41         .globl  main
  42         .align  16, 0x90
  43         .type   main,@function
  44 main:                                   # @main
  45 .Lfunc_begin0:
  46         .loc    1 22 0                  # dw2-single-line-discriminators.c:22:0
  47         .cfi_startproc
  48 # BB#0:
  49         pushq   %rbp
  50 .Ltmp0:
  51         .cfi_def_cfa_offset 16
  52 .Ltmp1:
  53         .cfi_offset %rbp, -16
  54         movq    %rsp, %rbp
  55 .Ltmp2:
  56         .cfi_def_cfa_register %rbp
  57         movl    $0, -4(%rbp)
  58         .loc    1 26 3 prologue_end     # dw2-single-line-discriminators.c:26:3
  59 .Ltmp3:
  60         movl    $0, x
  61         .loc    1 28 8                  # dw2-single-line-discriminators.c:28:8
  62 .Ltmp4:
  63         movl    $0, -8(%rbp)
  64 .LBB0_1:                                # =>This Inner Loop Header: Depth=1
  65         .loc    1 28 8 discriminator 4  # dw2-single-line-discriminators.c:28:8
  66 .Ltmp5:
  67         cmpl    $10, -8(%rbp)
  68         jge     .LBB0_4
  69 .Ltmp6:
  70 # BB#2:                                 #   in Loop: Header=BB0_1 Depth=1
  71         .loc    1 28 28 discriminator 2 # dw2-single-line-discriminators.c:28:28
  72         jmp     .LBB0_3
  73 .Ltmp7:
  74 .LBB0_3:                                #   in Loop: Header=BB0_1 Depth=1
  75         .loc    1 28 23 discriminator 3 # dw2-single-line-discriminators.c:28:23
  76         movl    -8(%rbp), %eax
  77         addl    $1, %eax
  78         movl    %eax, -8(%rbp)
  79         jmp     .LBB0_1
  80 .Ltmp8:
  81 .LBB0_4:
  82         movl    $0, %eax
  83         .loc    1 30 3                  # dw2-single-line-discriminators.c:30:3
  84         popq    %rbp
  85         retq
  86 .Ltmp9:
  87 .Ltmp10:
  88         .size   main, .Ltmp10-main
  89 .Lfunc_end0:
  90         .cfi_endproc
  91
  92         .type   x,@object               # @x
  93         .comm   x,4,4
  94 .Ldebug_end1:
  95         .section        .debug_str,"MS",@progbits,1
  96 .Linfo_string0:
  97         .asciz  "clang version (trunk r215195)"
  98 .Linfo_string1:
  99         .asciz  "dw2-single-line-discriminators.c"
 100 .Linfo_string2:
 101         .asciz  "/tmp/obj/gdb/testsuite"
 102 .Linfo_string3:
 103         .asciz  "x"
 104 .Linfo_string4:
 105         .asciz  "int"
 106 .Linfo_string5:
 107         .asciz  "main"
 108 .Linfo_string6:
 109         .asciz  "i"
 110         .section        .debug_info,"",@progbits
 111 .L.debug_info_begin0:
 112         .long   108                     # Length of Unit
 113         .short  4                       # DWARF version number
 114         .long   .Lsection_abbrev        # Offset Into Abbrev. Section
 115         .byte   8                       # Address Size (in bytes)
 116         .byte   1                       # Abbrev [1] 0xb:0x65 DW_TAG_compile_unit
 117         .long   .Linfo_string0          # DW_AT_producer
 118         .short  12                      # DW_AT_language
 119         .long   .Linfo_string1          # DW_AT_name
 120         .long   .Lline_table_start0     # DW_AT_stmt_list
 121         .long   .Linfo_string2          # DW_AT_comp_dir
 122         .quad   .Lfunc_begin0           # DW_AT_low_pc
 123 .Lset0 = .Lfunc_end0-.Lfunc_begin0      # DW_AT_high_pc
 124         .long   .Lset0
 125         .byte   2                       # Abbrev [2] 0x2a:0x15 DW_TAG_variable
 126         .long   .Linfo_string3          # DW_AT_name
 127         .long   63                      # DW_AT_type
 128                                         # DW_AT_external
 129         .byte   1                       # DW_AT_decl_file
 130         .byte   18                      # DW_AT_decl_line
 131         .byte   9                       # DW_AT_location
 132         .byte   3
 133         .quad   x
 134         .byte   3                       # Abbrev [3] 0x3f:0x7 DW_TAG_base_type
 135         .long   .Linfo_string4          # DW_AT_name
 136         .byte   5                       # DW_AT_encoding
 137         .byte   4                       # DW_AT_byte_size
 138         .byte   4                       # Abbrev [4] 0x46:0x29 DW_TAG_subprogram
 139         .quad   .Lfunc_begin0           # DW_AT_low_pc
 140 .Lset1 = .Lfunc_end0-.Lfunc_begin0      # DW_AT_high_pc
 141         .long   .Lset1
 142         .byte   1                       # DW_AT_frame_base
 143         .byte   86
 144         .long   .Linfo_string5          # DW_AT_name
 145         .byte   1                       # DW_AT_decl_file
 146         .byte   21                      # DW_AT_decl_line
 147         .long   63                      # DW_AT_type
 148                                         # DW_AT_external
 149         .byte   1                       # DW_AT_accessibility
 150                                         # DW_ACCESS_public
 151         .byte   5                       # Abbrev [5] 0x60:0xe DW_TAG_variable
 152         .byte   2                       # DW_AT_location
 153         .byte   145
 154         .byte   120
 155         .long   .Linfo_string6          # DW_AT_name
 156         .byte   1                       # DW_AT_decl_file
 157         .byte   23                      # DW_AT_decl_line
 158         .long   63                      # DW_AT_type
 159         .byte   0                       # End Of Children Mark
 160         .byte   0                       # End Of Children Mark
 161 .L.debug_info_end0:
 162         .section        .debug_abbrev,"",@progbits
 163         .byte   1                       # Abbreviation Code
 164         .byte   17                      # DW_TAG_compile_unit
 165         .byte   1                       # DW_CHILDREN_yes
 166         .byte   37                      # DW_AT_producer
 167         .byte   14                      # DW_FORM_strp
 168         .byte   19                      # DW_AT_language
 169         .byte   5                       # DW_FORM_data2
 170         .byte   3                       # DW_AT_name
 171         .byte   14                      # DW_FORM_strp
 172         .byte   16                      # DW_AT_stmt_list
 173         .byte   23                      # DW_FORM_sec_offset
 174         .byte   27                      # DW_AT_comp_dir
 175         .byte   14                      # DW_FORM_strp
 176         .byte   17                      # DW_AT_low_pc
 177         .byte   1                       # DW_FORM_addr
 178         .byte   18                      # DW_AT_high_pc
 179         .byte   6                       # DW_FORM_data4
 180         .byte   0                       # EOM(1)
 181         .byte   0                       # EOM(2)
 182         .byte   2                       # Abbreviation Code
 183         .byte   52                      # DW_TAG_variable
 184         .byte   0                       # DW_CHILDREN_no
 185         .byte   3                       # DW_AT_name
 186         .byte   14                      # DW_FORM_strp
 187         .byte   73                      # DW_AT_type
 188         .byte   19                      # DW_FORM_ref4
 189         .byte   63                      # DW_AT_external
 190         .byte   25                      # DW_FORM_flag_present
 191         .byte   58                      # DW_AT_decl_file
 192         .byte   11                      # DW_FORM_data1
 193         .byte   59                      # DW_AT_decl_line
 194         .byte   11                      # DW_FORM_data1
 195         .byte   2                       # DW_AT_location
 196         .byte   24                      # DW_FORM_exprloc
 197         .byte   0                       # EOM(1)
 198         .byte   0                       # EOM(2)
 199         .byte   3                       # Abbreviation Code
 200         .byte   36                      # DW_TAG_base_type
 201         .byte   0                       # DW_CHILDREN_no
 202         .byte   3                       # DW_AT_name
 203         .byte   14                      # DW_FORM_strp
 204         .byte   62                      # DW_AT_encoding
 205         .byte   11                      # DW_FORM_data1
 206         .byte   11                      # DW_AT_byte_size
 207         .byte   11                      # DW_FORM_data1
 208         .byte   0                       # EOM(1)
 209         .byte   0                       # EOM(2)
 210         .byte   4                       # Abbreviation Code
 211         .byte   46                      # DW_TAG_subprogram
 212         .byte   1                       # DW_CHILDREN_yes
 213         .byte   17                      # DW_AT_low_pc
 214         .byte   1                       # DW_FORM_addr
 215         .byte   18                      # DW_AT_high_pc
 216         .byte   6                       # DW_FORM_data4
 217         .byte   64                      # DW_AT_frame_base
 218         .byte   24                      # DW_FORM_exprloc
 219         .byte   3                       # DW_AT_name
 220         .byte   14                      # DW_FORM_strp
 221         .byte   58                      # DW_AT_decl_file
 222         .byte   11                      # DW_FORM_data1
 223         .byte   59                      # DW_AT_decl_line
 224         .byte   11                      # DW_FORM_data1
 225         .byte   73                      # DW_AT_type
 226         .byte   19                      # DW_FORM_ref4
 227         .byte   63                      # DW_AT_external
 228         .byte   25                      # DW_FORM_flag_present
 229         .byte   50                      # DW_AT_accessibility
 230         .byte   11                      # DW_FORM_data1
 231         .byte   0                       # EOM(1)
 232         .byte   0                       # EOM(2)
 233         .byte   5                       # Abbreviation Code
 234         .byte   52                      # DW_TAG_variable
 235         .byte   0                       # DW_CHILDREN_no
 236         .byte   2                       # DW_AT_location
 237         .byte   24                      # DW_FORM_exprloc
 238         .byte   3                       # DW_AT_name
 239         .byte   14                      # DW_FORM_strp
 240         .byte   58                      # DW_AT_decl_file
 241         .byte   11                      # DW_FORM_data1
 242         .byte   59                      # DW_AT_decl_line
 243         .byte   11                      # DW_FORM_data1
 244         .byte   73                      # DW_AT_type
 245         .byte   19                      # DW_FORM_ref4
 246         .byte   0                       # EOM(1)
 247         .byte   0                       # EOM(2)
 248         .byte   0                       # EOM(3)
 249         .section        .debug_ranges,"",@progbits
 250         .section        .debug_loc,"",@progbits
 251         .section        .debug_pubnames,"",@progbits
 252 .Lset2 = .LpubNames_end0-.LpubNames_begin0 # Length of Public Names Info
 253         .long   .Lset2
 254 .LpubNames_begin0:
 255         .short  2                       # DWARF Version
 256         .long   .L.debug_info_begin0    # Offset of Compilation Unit Info
 257 .Lset3 = .L.debug_info_end0-.L.debug_info_begin0 # Compilation Unit Length
 258         .long   .Lset3
 259         .long   70                      # DIE offset
 260         .asciz  "main"                  # External Name
 261         .long   42                      # DIE offset
 262         .asciz  "x"                     # External Name
 263         .long   0                       # End Mark
 264 .LpubNames_end0:
 265         .section        .debug_pubtypes,"",@progbits
 266 .Lset4 = .LpubTypes_end0-.LpubTypes_begin0 # Length of Public Types Info
 267         .long   .Lset4
 268 .LpubTypes_begin0:
 269         .short  2                       # DWARF Version
 270         .long   .L.debug_info_begin0    # Offset of Compilation Unit Info
 271 .Lset5 = .L.debug_info_end0-.L.debug_info_begin0 # Compilation Unit Length
 272         .long   .Lset5
 273         .long   63                      # DIE offset
 274         .asciz  "int"                   # External Name
 275         .long   0                       # End Mark
 276 .LpubTypes_end0:
 277
 278         .ident  "clang version (trunk r215195)"
 279         .section        ".note.GNU-stack","",@progbits
 280         .section        .debug_line,"",@progbits
 281 .Lline_table_start0: