1  /* BFD back-end for WebAssembly modules.
       2     Copyright (C) 2017-2023 Free Software Foundation, Inc.
       3  
       4     This file is part of BFD, the Binary File Descriptor library.
       5  
       6     This program 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 of the License, or
       9     (at your option) any later version.
      10  
      11     This program 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 this program; if not, write to the Free Software
      18     Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
      19     MA 02110-1301, USA.  */
      20  
      21  #ifndef _WASM_MODULE_H
      22  #define _WASM_MODULE_H
      23  
      24  /* WebAssembly module file header.  Note that WASM_VERSION is a 32-bit
      25     little-endian integer, not an LEB128-encoded integer.  */
      26  #define SIZEOF_WASM_MAGIC    4
      27  #define WASM_MAGIC	     { 0x00, 'a', 's', 'm' }
      28  #define SIZEOF_WASM_VERSION  4
      29  #define WASM_VERSION	     { 0x01, 0x00, 0x00, 0x00 }
      30  
      31  /* Prefix to use to form section names.  */
      32  #define WASM_SECTION_PREFIX ".wasm."
      33  
      34  /* NUMBER is currently unused, but is included for error checking purposes.  */
      35  #define WASM_SECTION(number, name) (WASM_SECTION_PREFIX name)
      36  
      37  /* Section names.  WASM_NAME_SECTION is the name of the named section
      38     named "name".  */
      39  #define WASM_NAME_SECTION	   WASM_SECTION (0, "name")
      40  #define WASM_RELOC_SECTION_PREFIX  WASM_SECTION (0, "reloc.")
      41  #define WASM_LINKING_SECTION	   WASM_SECTION (0, "linking")
      42  #define WASM_DYLINK_SECTION	   WASM_SECTION (0, "dylink")
      43  
      44  /* Subsection indices.  Right now, that's subsections of the "name"
      45     section only.  */
      46  #define WASM_FUNCTION_SUBSECTION 1 /* Function names.  */
      47  #define WASM_LOCALS_SUBSECTION   2 /* Names of locals by function.  */
      48  
      49  /* The section to report wasm symbols in.  */
      50  #define WASM_SECTION_FUNCTION_INDEX ".space.function_index"
      51  
      52  #endif /* _WASM_MODULE_H */