binutils/testsuite/binutils-all/dw2-ranges.S

   1 /* Copyright (C) 2015-2021 Free Software Foundation, Inc.
   2
   3    This program is free software; you can redistribute it and/or modify
   4    it under the terms of the GNU General Public License as published by
   5    the Free Software Foundation; either version 3 of the License, or
   6    (at your option) any later version.
   7
   8    This program is distributed in the hope that it will be useful,
   9    but WITHOUT ANY WARRANTY; without even the implied warranty of
  10    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11    GNU General Public License for more details.
  12
  13    You should have received a copy of the GNU General Public License
  14    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
  15
  16 /* This tests makes use of the .debug_ranges section, especially,
  17    making sure that the base address encoding scheme is used.  */
  18
  19 /* Dummy function to provide debug information for.  */
  20
  21         .text
  22         .globl _start
  23 _start:
  24         .4byte 0
  25 .Lbegin_text1:
  26         .globl func_cu1
  27         .type func_cu1, %function
  28 func_cu1:
  29 .Lbegin_func_cu1:
  30         .4byte 0
  31 .Lend_func_cu1:
  32         .size func_cu1, .-func_cu1
  33 .Lend_text1:
  34
  35 .Lbegin_text2:
  36         .globl func_cu2
  37         .type func_cu2, %function
  38 func_cu2:
  39 .Lbegin_func_cu2:
  40         .4byte 0
  41 .Lend_func_cu2:
  42         .size func_cu2, .-func_cu2
  43 .Lend_text2:
  44
  45 /* Debug information */
  46
  47         .section .debug_info
  48 .Lcu1_begin:
  49         /* CU header */
  50         .4byte  .Lcu1_end - .Lcu1_start         /* Length of Compilation Unit */
  51 .Lcu1_start:
  52         .2byte  2                               /* DWARF Version */
  53         .4byte  .Labbrev1_begin                 /* Offset into abbrev section */
  54         .byte   4                               /* Pointer size */
  55
  56         /* CU die */
  57         .uleb128 1                              /* Abbrev: DW_TAG_compile_unit */
  58         .4byte  .Lrange1_begin
  59         .ascii  "file1.c\0"                     /* DW_AT_name */
  60         .byte   1                               /* DW_AT_language (C) */
  61
  62         /* func_cu1 */
  63         .uleb128        2                       /* Abbrev: DW_TAG_subprogram */
  64         .ascii          "func_cu1\0"            /* DW_AT_name */
  65         .4byte          .Ltype_int-.Lcu1_begin  /* DW_AT_type */
  66         .4byte          .Lbegin_func_cu1        /* DW_AT_low_pc */
  67         .4byte          .Lend_func_cu1          /* DW_AT_high_pc */
  68
  69         /* func_cu1 */
  70         .uleb128        2                       /* Abbrev: DW_TAG_subprogram */
  71         .ascii          "func_cu2\0"            /* DW_AT_name */
  72         .4byte          .Ltype_int-.Lcu1_begin  /* DW_AT_type */
  73         .4byte          .Lbegin_func_cu2        /* DW_AT_low_pc */
  74         .4byte          .Lend_func_cu2          /* DW_AT_high_pc */
  75
  76 .Ltype_int:
  77         .uleb128        3                       /* Abbrev: DW_TAG_base_type */
  78         .ascii          "int\0"                 /* DW_AT_name */
  79         .byte           4                       /* DW_AT_byte_size */
  80         .byte           5                       /* DW_AT_encoding */
  81
  82         .byte           0                       /* End of children of CU */
  83
  84 .Lcu1_end:
  85
  86         .section .debug_ranges
  87 .Lrange1_begin:
  88         .4byte  0xffffffff                      /* base address marker */
  89         .4byte  .Lbegin_text1                   /* base address */
  90         .4byte  0                               /* start offset */
  91         .4byte  .Lend_text1 - .Lbegin_text1     /* end offset */
  92         .4byte  0xffffffff                      /* base address marker */
  93         .4byte  .Lbegin_text2                   /* base address */
  94         .4byte  0                               /* start offset */
  95         .4byte  .Lend_text2 - .Lbegin_text2     /* end offset */
  96         .4byte  0                               /* End marker (Part 1) */
  97         .4byte  0                               /* End marker (Part 2) */
  98
  99         .section .debug_abbrev
 100 .Labbrev1_begin:
 101         .uleb128        1                       /* Abbrev code */
 102         .uleb128        0x11                    /* DW_TAG_compile_unit */
 103         .byte           1                       /* has_children */
 104         .uleb128        0x55                    /* DW_AT_ranges */
 105         .uleb128        0x17                    /* DW_FORM_sec_offset */
 106         .uleb128        0x3                     /* DW_AT_name */
 107         .uleb128        0x8                     /* DW_FORM_string */
 108         .uleb128        0x13                    /* DW_AT_language */
 109         .uleb128        0xb                     /* DW_FORM_data1 */
 110         .byte           0x0                     /* Terminator */
 111         .byte           0x0                     /* Terminator */
 112
 113         .uleb128        2                       /* Abbrev code */
 114         .uleb128        0x2e                    /* DW_TAG_subprogram */
 115         .byte           0                       /* has_children */
 116         .uleb128        0x3                     /* DW_AT_name */
 117         .uleb128        0x8                     /* DW_FORM_string */
 118         .uleb128        0x49                    /* DW_AT_type */
 119         .uleb128        0x13                    /* DW_FORM_ref4 */
 120         .uleb128        0x11                    /* DW_AT_low_pc */
 121         .uleb128        0x1                     /* DW_FORM_addr */
 122         .uleb128        0x12                    /* DW_AT_high_pc */
 123         .uleb128        0x1                     /* DW_FORM_addr */
 124         .byte           0x0                     /* Terminator */
 125         .byte           0x0                     /* Terminator */
 126
 127         .uleb128        3                       /* Abbrev code */
 128         .uleb128        0x24                    /* DW_TAG_base_type */
 129         .byte           0                       /* has_children */
 130         .uleb128        0x3                     /* DW_AT_name */
 131         .uleb128        0x8                     /* DW_FORM_string */
 132         .uleb128        0xb                     /* DW_AT_byte_size */
 133         .uleb128        0xb                     /* DW_FORM_data1 */
 134         .uleb128        0x3e                    /* DW_AT_encoding */
 135         .uleb128        0xb                     /* DW_FORM_data1 */
 136         .byte           0x0                     /* Terminator */
 137         .byte           0x0                     /* Terminator */
 138
 139         .byte           0x0                     /* Terminator */
 140         .byte           0x0                     /* Terminator */