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