text: /* $Id: coff-objfmt.h 1825 2007-04-22 03:32:46Z peter $
   * COFF (DJGPP) object format
   *
   *  Copyright (C) 2007  Peter Johnson
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions
   * are met:
   * 1. Redistributions of source code must retain the above copyright
   *    notice, this list of conditions and the following disclaimer.
   * 2. Redistributions in binary form must reproduce the above copyright
   *    notice, this list of conditions and the following disclaimer in the
   *    documentation and/or other materials provided with the distribution.
   *
   * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND OTHER CONTRIBUTORS ``AS IS''
   * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR OTHER CONTRIBUTORS BE
   * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
   * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
   * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
   * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
   * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
   * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
   * POSSIBILITY OF SUCH DAMAGE.
   */
  #ifndef COFF_OBJFMT_H
  #define COFF_OBJFMT_H
  
  typedef struct coff_unwind_code {
      SLIST_ENTRY(coff_unwind_code) link;
  
      /*@dependent@*/ yasm_symrec *proc;      /* Start of procedure */
      /*@dependent@*/ yasm_symrec *loc;       /* Location of operation */
      /* Unwind operation code */
      enum {
          UWOP_PUSH_NONVOL = 0,
          UWOP_ALLOC_LARGE = 1,
          UWOP_ALLOC_SMALL = 2,
          UWOP_SET_FPREG = 3,
          UWOP_SAVE_NONVOL = 4,
          UWOP_SAVE_NONVOL_FAR = 5,
          UWOP_SAVE_XMM128 = 8,
          UWOP_SAVE_XMM128_FAR = 9,
          UWOP_PUSH_MACHFRAME = 10
      } opcode;
      unsigned int info;          /* Operation info */
      yasm_value off;             /* Offset expression (used for some codes) */
  } coff_unwind_code;
  
  typedef struct coff_unwind_info {
      /*@dependent@*/ yasm_symrec *proc;      /* Start of procedure */
      /*@dependent@*/ yasm_symrec *prolog;    /* End of prologue */
  
      /*@null@*/ /*@dependent@*/ yasm_symrec *ehandler;   /* Error handler */
  
      unsigned long framereg;     /* Frame register */
      yasm_value frameoff;        /* Frame offset */
  
      /* Linked list of codes, in decreasing location offset order.
       * Inserting at the head of this list during assembly naturally results
       * in this sorting.
       */
      SLIST_HEAD(coff_unwind_code_head, coff_unwind_code) codes;
  
      /* These aren't used until inside of generate. */
      yasm_value prolog_size;
      yasm_value codes_count;
  } coff_unwind_info;
  
  coff_unwind_info *yasm_win64__uwinfo_create(void);
  void yasm_win64__uwinfo_destroy(coff_unwind_info *info);
  void yasm_win64__unwind_generate(yasm_section *xdata,
                                   /*@only@*/ coff_unwind_info *info,
                                   unsigned long line);
  
  #endif
  