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/*
* 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
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