gdb/testsuite/gdb.mi/dw2-ref-missing-frame-func.c

   1 /* This testcase is part of GDB, the GNU debugger.
   2
   3    Copyright 2010-2022 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 asm (".globl cu_text_start");
  19 asm ("cu_text_start:");
  20
  21 asm (".globl func_nofb_start");
  22 asm ("func_nofb_start:");
  23
  24 void
  25 func_nofb (void)
  26 {
  27   /* int func_nofb_var; */
  28   /* int func_nofb_var2; */
  29
  30   extern void func_nofb_marker (void);
  31   func_nofb_marker ();
  32 }
  33
  34 asm (".globl func_nofb_end");
  35 asm ("func_nofb_end:");
  36
  37 asm (".globl func_loopfb_start");
  38 asm ("func_loopfb_start:");
  39
  40 void
  41 func_loopfb (void)
  42 {
  43   /* int func_loopfb_var; */
  44   /* int func_loopfb_var2; */
  45
  46   extern void func_loopfb_marker (void);
  47   func_loopfb_marker ();
  48 }
  49
  50 asm (".globl func_loopfb_end");
  51 asm ("func_loopfb_end:");
  52
  53 asm (".globl cu_text_end");
  54 asm ("cu_text_end:");
  55
  56 /* The .debug_names-based index support depends on .debug_aranges
  57    generated by GCC.  (.gdb_index includes a gdb-generated map
  58    instead.)  */
  59 asm (
  60 "       .pushsection    .debug_info,\"\",%progbits \n"
  61 ".Lcu1_begin: \n"
  62 "       .popsection \n"
  63 "       .pushsection    .debug_aranges,\"\",%progbits \n"
  64 "       .4byte  .Laranges_end - .Laranges_start \n"     // Length of Address Ranges Info
  65 ".Laranges_start: \n"
  66 "       .2byte  0x2 \n" // DWARF Version
  67 "       .4byte  .Lcu1_begin\n" // .Ldebug_info0 - Offset of Compilation Unit Info
  68 "       .byte   4 \n"   // Size of Address
  69 "       .byte   0 \n"   // Size of Segment Descriptor
  70 "       .2byte  0 \n"   // Pad to 16 byte boundary
  71 "       .2byte  0 \n"
  72 "       .4byte  cu_text_start \n"       // Address
  73 "       .4byte  cu_text_end - cu_text_start \n" // Length
  74 "       .4byte  0 \n"
  75 "       .4byte  0 \n"
  76 ".Laranges_end: \n"
  77 "       .popsection \n"
  78 );