gas/codeview.h

   1 /* codeview.h - CodeView debug support
   2    Copyright (C) 2022-2024 Free Software Foundation, Inc.
   3
   4    This file is part of GAS, the GNU Assembler.
   5
   6    GAS is free software; you can redistribute it and/or modify
   7    it under the terms of the GNU General Public License as published by
   8    the Free Software Foundation; either version 3, or (at your option)
   9    any later version.
  10
  11    GAS is distributed in the hope that it will be useful,
  12    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14    GNU General Public License for more details.
  15
  16    You should have received a copy of the GNU General Public License
  17    along with GAS; see the file COPYING.  If not, write to the Free
  18    Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA
  19    02110-1301, USA.  */
  20
  21 /* Header files referred to below can be found in Microsoft's PDB
  22    repository: https://github.com/microsoft/microsoft-pdb.  */
  23
  24 #ifndef GAS_CODEVIEW_H
  25 #define GAS_CODEVIEW_H
  26
  27 #define CV_SIGNATURE_C13        4
  28
  29 #define DEBUG_S_SYMBOLS         0xf1
  30 #define DEBUG_S_LINES           0xf2
  31 #define DEBUG_S_STRINGTABLE     0xf3
  32 #define DEBUG_S_FILECHKSMS      0xf4
  33
  34 #define S_OBJNAME               0x1101
  35 #define S_COMPILE3              0x113c
  36
  37 #define CV_CFL_MASM             0x03
  38
  39 #define CV_CFL_80386            0x03
  40 #define CV_CFL_X64              0xD0
  41 #define CV_CFL_ARM64            0xF6
  42
  43 #define CHKSUM_TYPE_MD5         1
  44
  45 /* OBJNAMESYM in cvinfo.h */
  46 struct OBJNAMESYM
  47 {
  48   uint16_t length;
  49   uint16_t type;
  50   uint32_t signature;
  51 };
  52
  53 /* COMPILESYM3 in cvinfo.h */
  54 struct COMPILESYM3
  55 {
  56   uint16_t length;
  57   uint16_t type;
  58   uint32_t flags;
  59   uint16_t machine;
  60   uint16_t frontend_major;
  61   uint16_t frontend_minor;
  62   uint16_t frontend_build;
  63   uint16_t frontend_qfe;
  64   uint16_t backend_major;
  65   uint16_t backend_minor;
  66   uint16_t backend_build;
  67   uint16_t backend_qfe;
  68 } ATTRIBUTE_PACKED;
  69
  70 /* filedata in dumpsym7.cpp */
  71 struct file_checksum
  72 {
  73   uint32_t file_id;
  74   uint8_t checksum_length;
  75   uint8_t checksum_type;
  76 } ATTRIBUTE_PACKED;
  77
  78 /* CV_DebugSLinesHeader_t in cvinfo.h */
  79 struct cv_lines_header
  80 {
  81   uint32_t offset;
  82   uint16_t section;
  83   uint16_t flags;
  84   uint32_t length;
  85 };
  86
  87 /* CV_DebugSLinesFileBlockHeader_t in cvinfo.h */
  88 struct cv_lines_block
  89 {
  90   uint32_t file_id;
  91   uint32_t num_lines;
  92   uint32_t length;
  93 };
  94
  95 /* CV_Line_t in cvinfo.h */
  96 struct cv_line
  97 {
  98   uint32_t offset;
  99   uint32_t line_no;
 100 };
 101
 102 extern void codeview_finish (void);
 103 extern void codeview_generate_asm_lineno (void);
 104
 105 #endif