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/*
* YASM module loader
*
* Copyright (C) 2004-2007 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>
typedef struct module {
const char *keyword; /* module keyword */
void *data; /* associated data */
} module;
EXTERN_LIST
static module arch_modules[] = {
MODULES_arch_
};
static module dbgfmt_modules[] = {
MODULES_dbgfmt_
};
static module objfmt_modules[] = {
MODULES_objfmt_
};
static module listfmt_modules[] = {
MODULES_listfmt_
};
static module parser_modules[] = {
MODULES_parser_
};
static module preproc_modules[] = {
MODULES_preproc_
};
static struct {
module *m;
size_t n;
} module_types[] = {
{arch_modules, sizeof(arch_modules)/sizeof(module)},
{dbgfmt_modules, sizeof(dbgfmt_modules)/sizeof(module)},
{objfmt_modules, sizeof(objfmt_modules)/sizeof(module)},
{listfmt_modules, sizeof(listfmt_modules)/sizeof(module)},
{parser_modules, sizeof(parser_modules)/sizeof(module)},
{preproc_modules, sizeof(preproc_modules)/sizeof(module)},
};
typedef struct loaded_module {
yasm_module_type type; /* module type */
const char *keyword; /* module keyword */
void *data; /* associated data */
} loaded_module;
static loaded_module *loaded_modules = NULL;
static size_t num_loaded_modules = 0;
void *
yasm_load_module(yasm_module_type type, const char *keyword)
{
size_t i;
module *modules;
size_t n;
/* Look for the module/symbol, first in loaded modules */
if (loaded_modules) {
for (i=0; i<num_loaded_modules; i++) {
if (loaded_modules[i].type == type &&
yasm__strcasecmp(loaded_modules[i].keyword, keyword) == 0)
return loaded_modules[i].data;
}
}
modules = module_types[type].m;
n = module_types[type].n;
for (i=0; i<n; i++) {
if (yasm__strcasecmp(modules[i].keyword, keyword) == 0)
return modules[i].data;
}
return NULL;
}
void
yasm_register_module(yasm_module_type type, const char *keyword, void *data)
{
loaded_modules =
yasm_xrealloc(loaded_modules,
(num_loaded_modules+1)*sizeof(loaded_module));
loaded_modules[num_loaded_modules].type = type;
loaded_modules[num_loaded_modules].keyword = keyword;
loaded_modules[num_loaded_modules].data = data;
num_loaded_modules++;
}
static void
yasm_list_one_module(yasm_module_type type, void *data,
void (*printfunc) (const char *name, const char *keyword))
{
yasm_arch_module *arch;
yasm_dbgfmt_module *dbgfmt;
yasm_objfmt_module *objfmt;
yasm_listfmt_module *listfmt;
yasm_parser_module *parser;
yasm_preproc_module *preproc;
switch (type) {
case YASM_MODULE_ARCH:
arch = data;
printfunc(arch->name, arch->keyword);
break;
case YASM_MODULE_DBGFMT:
dbgfmt = data;
printfunc(dbgfmt->name, dbgfmt->keyword);
break;
case YASM_MODULE_OBJFMT:
objfmt = data;
printfunc(objfmt->name, objfmt->keyword);
break;
case YASM_MODULE_LISTFMT:
listfmt = data;
printfunc(listfmt->name, listfmt->keyword);
break;
case YASM_MODULE_PARSER:
parser = data;
printfunc(parser->name, parser->keyword);
break;
case YASM_MODULE_PREPROC:
preproc = data;
printfunc(preproc->name, preproc->keyword);
break;
}
}
void
yasm_list_modules(yasm_module_type type,
void (*printfunc) (const char *name, const char *keyword))
{
size_t i;
module *modules;
size_t n;;
/* Go through available list, and try to load each one */
if (loaded_modules) {
for (i=0; i<num_loaded_modules; i++)
yasm_list_one_module(type, loaded_modules[i].data, printfunc);
}
modules = module_types[type].m;
n = module_types[type].n;
for (i=0; i<n; i++)
yasm_list_one_module(type, modules[i].data, printfunc);
}
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