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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 loaded_module {
const char *keyword; /* module keyword */
void *data; /* associated data */
} loaded_module;
static HAMT *loaded_modules[] = {NULL, NULL, NULL, NULL, NULL, NULL};
static void
load_module_destroy(/*@only@*/ void *data)
{
/* do nothing */
}
void *
yasm_load_module(yasm_module_type type, const char *keyword)
{
if (!loaded_modules[type])
return NULL;
return HAMT_search(loaded_modules[type], keyword);
}
void
yasm_register_module(yasm_module_type type, const char *keyword, void *data)
{
int replace = 1;
assert(type < sizeof(loaded_modules));
if (!loaded_modules[type])
loaded_modules[type] = HAMT_create(0, yasm_internal_error_);
HAMT_insert(loaded_modules[type], keyword, data, &replace,
load_module_destroy);
}
typedef struct {
yasm_module_type type;
void (*printfunc) (const char *name, const char *keyword);
} list_one_data;
static int
yasm_list_one_module(void *node, void *d)
{
list_one_data *data = (list_one_data *)d;
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 (data->type) {
case YASM_MODULE_ARCH:
arch = node;
data->printfunc(arch->name, arch->keyword);
break;
case YASM_MODULE_DBGFMT:
dbgfmt = node;
data->printfunc(dbgfmt->name, dbgfmt->keyword);
break;
case YASM_MODULE_OBJFMT:
objfmt = node;
data->printfunc(objfmt->name, objfmt->keyword);
break;
case YASM_MODULE_LISTFMT:
listfmt = node;
data->printfunc(listfmt->name, listfmt->keyword);
break;
case YASM_MODULE_PARSER:
parser = node;
data->printfunc(parser->name, parser->keyword);
break;
case YASM_MODULE_PREPROC:
preproc = node;
data->printfunc(preproc->name, preproc->keyword);
break;
}
return 0;
}
void
yasm_list_modules(yasm_module_type type,
void (*printfunc) (const char *name, const char *keyword))
{
list_one_data data;
/* Go through available list, and try to load each one */
if (!loaded_modules[type])
return;
data.type = type;
data.printfunc = printfunc;
HAMT_traverse(loaded_modules[type], &data, yasm_list_one_module);
}
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