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/* 
 * CodeView debugging formats implementation for Yasm 
 * 
 *  Copyright (C) 2006-2007  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. 
 */ 
#include <util.h> 
 
#include <libyasm.h> 
 
#include "cv-dbgfmt.h" 
 
yasm_dbgfmt_module yasm_cv8_LTX_dbgfmt; 
 
 
static /*@null@*/ /*@only@*/ yasm_dbgfmt * 
cv_dbgfmt_create(yasm_object *object, yasm_dbgfmt_module *module, int version) 
{ 
    yasm_dbgfmt_cv *dbgfmt_cv = yasm_xmalloc(sizeof(yasm_dbgfmt_cv)); 
    size_t i; 
 
    dbgfmt_cv->dbgfmt.module = module; 
 
    dbgfmt_cv->filenames_allocated = 32; 
    dbgfmt_cv->filenames_size = 0; 
    dbgfmt_cv->filenames = 
        yasm_xmalloc(sizeof(cv_filename)*dbgfmt_cv->filenames_allocated); 
    for (i=0; i<dbgfmt_cv->filenames_allocated; i++) { 
        dbgfmt_cv->filenames[i].pathname = NULL; 
        dbgfmt_cv->filenames[i].filename = NULL; 
        dbgfmt_cv->filenames[i].str_off = 0; 
        dbgfmt_cv->filenames[i].info_off = 0; 
    } 
 
    dbgfmt_cv->version = version; 
 
    return (yasm_dbgfmt *)dbgfmt_cv; 
} 
 
static /*@null@*/ /*@only@*/ yasm_dbgfmt * 
cv8_dbgfmt_create(yasm_object *object) 
{ 
    return cv_dbgfmt_create(object, &yasm_cv8_LTX_dbgfmt, 8); 
} 
 
static void 
cv_dbgfmt_destroy(/*@only@*/ yasm_dbgfmt *dbgfmt) 
{ 
    yasm_dbgfmt_cv *dbgfmt_cv = (yasm_dbgfmt_cv *)dbgfmt; 
    size_t i; 
    for (i=0; i<dbgfmt_cv->filenames_size; i++) { 
        if (dbgfmt_cv->filenames[i].pathname) 
            yasm_xfree(dbgfmt_cv->filenames[i].pathname); 
    } 
    yasm_xfree(dbgfmt_cv->filenames); 
    yasm_xfree(dbgfmt); 
} 
 
/* Add a bytecode to a section, updating offset on insertion; 
 * no optimization necessary. 
 */ 
yasm_bytecode * 
yasm_cv__append_bc(yasm_section *sect, yasm_bytecode *bc) 
{ 
    yasm_bytecode *precbc = yasm_section_bcs_last(sect); 
    bc->offset = yasm_bc_next_offset(precbc); 
    yasm_section_bcs_append(sect, bc); 
    return precbc; 
} 
 
static void 
cv_dbgfmt_generate(yasm_object *object, yasm_linemap *linemap, 
                   yasm_errwarns *errwarns) 
{ 
    yasm_cv__generate_symline(object, linemap, errwarns); 
    yasm_cv__generate_type(object); 
} 
 
/* Define dbgfmt structure -- see dbgfmt.h for details */ 
yasm_dbgfmt_module yasm_cv8_LTX_dbgfmt = { 
    "CodeView debugging format for VC8", 
    "cv8", 
    NULL,   /* no directives */ 
    cv8_dbgfmt_create, 
    cv_dbgfmt_destroy, 
    cv_dbgfmt_generate 
};