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Add fedora 26 support
feature/convey
2017-09-26, Gary Kramlich
356999b051e2
Add fedora 26 support
/*
* Copyright (C) 2011-2013 Gary Kramlich <grim@reaperworld.com>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include
"gplugin-tcc-loader.h"
#include
"gplugin-tcc-plugin.h"
#include
<glib/gi18n.h>
#include
<libtcc.h>
/******************************************************************************
* Globals
*****************************************************************************/
static
GObjectClass
*
parent_class
=
NULL
;
static
GType
type_real
=
0
;
/******************************************************************************
* GPluginLoaderInterface API
*****************************************************************************/
static
GSList
*
gplugin_tcc_loader_class_supported_extensions
(
GPLUGIN_UNUSED
const
GPluginLoaderClass
*
klass
)
{
GSList
*
exts
=
NULL
;
exts
=
g_slist_append
(
exts
,
"c"
);
return
exts
;
}
static
GPluginPlugin
*
gplugin_tcc_loader_query
(
GPluginLoader
*
loader
,
const
gchar
*
filename
,
GError
**
error
)
{
GPluginPlugin
*
plugin
=
NULL
;
GPluginPluginInfo
*
info
=
NULL
;
TCCState
*
s
=
NULL
;
gpointer
memneeded
=
NULL
;
int
memsize
=
-1
;
GPluginTccPluginQueryFunc
gplugin_query
=
NULL
;
s
=
tcc_new
();
tcc_set_output_type
(
s
,
TCC_OUTPUT_MEMORY
);
if
(
tcc_add_file
(
s
,
filename
)
==
-1
)
{
if
(
error
)
*
error
=
g_error_new
(
GPLUGIN_DOMAIN
,
0
,
"couldn't load file %s"
,
filename
);
tcc_delete
(
s
);
return
NULL
;
}
/* copy code into memory */
if
((
memsize
=
tcc_relocate
(
s
,
NULL
))
<
0
)
{
if
(
error
)
*
error
=
g_error_new
(
GPLUGIN_DOMAIN
,
0
,
"couldn't work out how much memory is needed"
);
tcc_delete
(
s
);
return
NULL
;
}
memneeded
=
g_malloc0
(
memsize
);
if
(
tcc_relocate
(
s
,
memneeded
)
<
0
)
{
if
(
error
)
*
error
=
g_error_new
(
GPLUGIN_DOMAIN
,
0
,
"could not relocate plugin into memory"
);
tcc_delete
(
s
);
g_free
(
memneeded
);
return
NULL
;
}
gplugin_query
=
(
GPluginTccPluginQueryFunc
)
tcc_get_symbol
(
s
,
"gplugin_query"
);
if
(
gplugin_query
==
NULL
)
{
if
(
error
)
*
error
=
g_error_new
(
GPLUGIN_DOMAIN
,
0
,
"no gplugin_query function found"
);
tcc_delete
(
s
);
g_free
(
memneeded
);
return
NULL
;
}
info
=
gplugin_query
(
error
);
if
(
info
==
NULL
)
{
tcc_delete
(
s
);
g_free
(
memneeded
);
return
NULL
;
}
plugin
=
g_object_new
(
GPLUGIN_TYPE_TCC_PLUGIN
,
"filename"
,
filename
,
"loader"
,
loader
,
"state"
,
s
,
"memory"
,
memneeded
,
"info"
,
info
,
NULL
);
return
plugin
;
}
static
gboolean
gplugin_tcc_loader_load
(
GPLUGIN_UNUSED
GPluginLoader
*
loader
,
GPluginPlugin
*
plugin
,
GError
**
error
)
{
GPluginTccPluginLoadFunc
gplugin_load
=
NULL
;
TCCState
*
s
=
gplugin_tcc_plugin_get_state
(
GPLUGIN_TCC_PLUGIN
(
plugin
));
gplugin_load
=
(
GPluginTccPluginLoadFunc
)
tcc_get_symbol
(
s
,
"gplugin_load"
);
if
(
gplugin_load
==
NULL
)
{
if
(
error
)
*
error
=
g_error_new
(
GPLUGIN_DOMAIN
,
0
,
"no gplugin_load function found"
);
return
FALSE
;
}
return
gplugin_load
(
GPLUGIN_NATIVE_PLUGIN
(
plugin
),
error
);
}
static
gboolean
gplugin_tcc_loader_unload
(
GPLUGIN_UNUSED
GPluginLoader
*
loader
,
GPluginPlugin
*
plugin
,
GError
**
error
)
{
GPluginTccPluginLoadFunc
gplugin_unload
=
NULL
;
TCCState
*
s
=
gplugin_tcc_plugin_get_state
(
GPLUGIN_TCC_PLUGIN
(
plugin
));
gplugin_unload
=
(
GPluginTccPluginUnloadFunc
)
tcc_get_symbol
(
s
,
"gplugin_unload"
);
if
(
gplugin_unload
==
NULL
)
{
if
(
error
)
*
error
=
g_error_new
(
GPLUGIN_DOMAIN
,
0
,
"no gplugin_unload function found"
);
return
FALSE
;
}
return
gplugin_unload
(
GPLUGIN_NATIVE_PLUGIN
(
plugin
),
error
);
}
/******************************************************************************
* GObject Stuff
*****************************************************************************/
static
void
gplugin_tcc_loader_class_init
(
GPluginTccLoaderClass
*
klass
)
{
GPluginLoaderClass
*
loader_class
=
GPLUGIN_LOADER_CLASS
(
klass
);
parent_class
=
g_type_class_peek_parent
(
klass
);
loader_class
->
supported_extensions
=
gplugin_tcc_loader_class_supported_extensions
;
loader_class
->
query
=
gplugin_tcc_loader_query
;
loader_class
->
load
=
gplugin_tcc_loader_load
;
loader_class
->
unload
=
gplugin_tcc_loader_unload
;
}
/******************************************************************************
* API
*****************************************************************************/
void
gplugin_tcc_loader_register
(
GPluginNativePlugin
*
plugin
)
{
if
(
g_once_init_enter
(
&
type_real
))
{
GType
type
=
0
;
static
const
GTypeInfo
info
=
{
.
class_size
=
sizeof
(
GPluginTccLoaderClass
),
.
class_init
=
(
GClassInitFunc
)
gplugin_tcc_loader_class_init
,
.
instance_size
=
sizeof
(
GPluginTccLoader
),
};
type
=
gplugin_native_plugin_register_type
(
plugin
,
GPLUGIN_TYPE_LOADER
,
"GPluginTccLoader"
,
&
info
,
0
);
g_once_init_leave
(
&
type_real
,
type
);
}
}
GType
gplugin_tcc_loader_get_type
(
void
)
{
if
(
G_UNLIKELY
(
type_real
==
0
))
{
g_warning
(
"gplugin_tcc_loader_get_type was called before "
"the type was registered!
\n
"
);
}
return
type_real
;
}