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vl: support -plugin option 

Signed-off-by: Lluís Vilanova <vilanova@ac.upc.edu>
[ cota: s/instrument/plugin ]
Signed-off-by: Emilio G. Cota <cota@braap.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
This commit is contained in:
Lluís Vilanova 2017-07-24 17:28:22 +03:00 committed by Alex Bennée
parent ca76a66975
commit 42229a7539
2 changed files with 28 additions and 0 deletions
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17
qemu-options.hx
View File

@ -4201,6 +4201,23 @@ HXCOMM HX does not support conditional compilation of text.
@findex -trace
@include qemu-option-trace.texi
ETEXI
DEF("plugin", HAS_ARG, QEMU_OPTION_plugin,
"-plugin [file=]<file>[,arg=<string>]\n"
" load a plugin\n",
QEMU_ARCH_ALL)
STEXI
@item -plugin file=@var{file}[,arg=@var{string}]
@findex -plugin
Load a plugin.
@table @option
@item file=@var{file}
Load the given plugin from a shared library file.
@item arg=@var{string}
Argument string passed to the plugin. (Can be given multiple times.)
@end table
ETEXI
HXCOMM Internal use
DEF("qtest", HAS_ARG, QEMU_OPTION_qtest, "", QEMU_ARCH_ALL)

11
vl.c
View File

@ -110,6 +110,7 @@ int main(int argc, char **argv)
#include "trace-root.h"
#include "trace/control.h"
#include "qemu/plugin.h"
#include "qemu/queue.h"
#include "sysemu/arch_init.h"
@ -2857,6 +2858,7 @@ int main(int argc, char **argv, char **envp)
bool list_data_dirs = false;
char *dir, **dirs;
BlockdevOptionsQueue bdo_queue = QSIMPLEQ_HEAD_INITIALIZER(bdo_queue);
QemuPluginList plugin_list = QTAILQ_HEAD_INITIALIZER(plugin_list);
os_set_line_buffering();
@ -2887,6 +2889,7 @@ int main(int argc, char **argv, char **envp)
qemu_add_opts(&qemu_global_opts);
qemu_add_opts(&qemu_mon_opts);
qemu_add_opts(&qemu_trace_opts);
qemu_plugin_add_opts();
qemu_add_opts(&qemu_option_rom_opts);
qemu_add_opts(&qemu_machine_opts);
qemu_add_opts(&qemu_accel_opts);
@ -3681,6 +3684,9 @@ int main(int argc, char **argv, char **envp)
g_free(trace_file);
trace_file = trace_opt_parse(optarg);
break;
case QEMU_OPTION_plugin:
qemu_plugin_opt_parse(optarg, &plugin_list);
break;
case QEMU_OPTION_readconfig:
{
int ret = qemu_read_config_file(optarg);
@ -3994,6 +4000,11 @@ int main(int argc, char **argv, char **envp)
machine_class->default_machine_opts, 0);
}
/* process plugin before CPUs are created, but once -smp has been parsed */
if (qemu_plugin_load_list(&plugin_list)) {
exit(1);
}
qemu_opts_foreach(qemu_find_opts("device"),
default_driver_check, NULL, NULL);
qemu_opts_foreach(qemu_find_opts("global"),