1/*
2 * CodeView debugging formats implementation for Yasm
3 *
4 *  Copyright (C) 2006-2007  Peter Johnson
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 *    notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 *    notice, this list of conditions and the following disclaimer in the
13 *    documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND OTHER CONTRIBUTORS ``AS IS''
16 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR OTHER CONTRIBUTORS BE
19 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
20 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
21 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
22 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
23 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
24 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
25 * POSSIBILITY OF SUCH DAMAGE.
26 */
27#include <util.h>
28
29#include <libyasm.h>
30
31#include "cv-dbgfmt.h"
32
33yasm_dbgfmt_module yasm_cv8_LTX_dbgfmt;
34
35
36static /*@null@*/ /*@only@*/ yasm_dbgfmt *
37cv_dbgfmt_create(yasm_object *object, yasm_dbgfmt_module *module, int version)
38{
39    yasm_dbgfmt_cv *dbgfmt_cv = yasm_xmalloc(sizeof(yasm_dbgfmt_cv));
40    size_t i;
41
42    dbgfmt_cv->dbgfmt.module = module;
43
44    dbgfmt_cv->filenames_allocated = 32;
45    dbgfmt_cv->filenames_size = 0;
46    dbgfmt_cv->filenames =
47        yasm_xmalloc(sizeof(cv_filename)*dbgfmt_cv->filenames_allocated);
48    for (i=0; i<dbgfmt_cv->filenames_allocated; i++) {
49        dbgfmt_cv->filenames[i].pathname = NULL;
50        dbgfmt_cv->filenames[i].filename = NULL;
51        dbgfmt_cv->filenames[i].str_off = 0;
52        dbgfmt_cv->filenames[i].info_off = 0;
53    }
54
55    dbgfmt_cv->version = version;
56
57    return (yasm_dbgfmt *)dbgfmt_cv;
58}
59
60static /*@null@*/ /*@only@*/ yasm_dbgfmt *
61cv8_dbgfmt_create(yasm_object *object)
62{
63    return cv_dbgfmt_create(object, &yasm_cv8_LTX_dbgfmt, 8);
64}
65
66static void
67cv_dbgfmt_destroy(/*@only@*/ yasm_dbgfmt *dbgfmt)
68{
69    yasm_dbgfmt_cv *dbgfmt_cv = (yasm_dbgfmt_cv *)dbgfmt;
70    size_t i;
71    for (i=0; i<dbgfmt_cv->filenames_size; i++) {
72        if (dbgfmt_cv->filenames[i].pathname)
73            yasm_xfree(dbgfmt_cv->filenames[i].pathname);
74    }
75    yasm_xfree(dbgfmt_cv->filenames);
76    yasm_xfree(dbgfmt);
77}
78
79/* Add a bytecode to a section, updating offset on insertion;
80 * no optimization necessary.
81 */
82yasm_bytecode *
83yasm_cv__append_bc(yasm_section *sect, yasm_bytecode *bc)
84{
85    yasm_bytecode *precbc = yasm_section_bcs_last(sect);
86    bc->offset = yasm_bc_next_offset(precbc);
87    yasm_section_bcs_append(sect, bc);
88    return precbc;
89}
90
91static void
92cv_dbgfmt_generate(yasm_object *object, yasm_linemap *linemap,
93                   yasm_errwarns *errwarns)
94{
95    yasm_cv__generate_symline(object, linemap, errwarns);
96    yasm_cv__generate_type(object);
97}
98
99/* Define dbgfmt structure -- see dbgfmt.h for details */
100yasm_dbgfmt_module yasm_cv8_LTX_dbgfmt = {
101    "CodeView debugging format for VC8",
102    "cv8",
103    NULL,   /* no directives */
104    cv8_dbgfmt_create,
105    cv_dbgfmt_destroy,
106    cv_dbgfmt_generate
107};
108