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      1 /* codeview.h - CodeView debug support
      2    Copyright (C) 2022-2026 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 extern unsigned int output_cv_comp (char *, offsetT, int);
    105 extern unsigned int sizeof_cv_comp (offsetT, int);
    106 
    107 #endif
    108