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linux-user: 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 12:41:51 +03:00 committed by Alex Bennée
parent 42229a7539
commit f308f64e76
1 changed files with 18 additions and 0 deletions
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18
linux-user/main.c
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@ -34,6 +34,7 @@
#include "qemu/error-report.h"
#include "qemu/help_option.h"
#include "qemu/module.h"
#include "qemu/plugin.h"
#include "cpu.h"
#include "exec/exec-all.h"
#include "tcg.h"
@ -398,6 +399,15 @@ static void handle_arg_abi_call0(const char *arg)
}
#endif
static QemuPluginList plugins = QTAILQ_HEAD_INITIALIZER(plugins);
#ifdef CONFIG_PLUGIN
static void handle_arg_plugin(const char *arg)
{
qemu_plugin_opt_parse(arg, &plugins);
}
#endif
struct qemu_argument {
const char *argv;
const char *env;
@ -449,6 +459,10 @@ static const struct qemu_argument arg_table[] = {
"", "Seed for pseudo-random number generator"},
{"trace", "QEMU_TRACE", true, handle_arg_trace,
"", "[[enable=]<pattern>][,events=<file>][,file=<file>]"},
#ifdef CONFIG_PLUGIN
{"plugin", "QEMU_PLUGIN", true, handle_arg_plugin,
"", "[file=]<file>[,arg=<string>]"},
#endif
{"version", "QEMU_VERSION", false, handle_arg_version,
"", "display version information and exit"},
#if defined(TARGET_XTENSA)
@ -643,6 +657,7 @@ int main(int argc, char **argv, char **envp)
cpu_model = NULL;
qemu_add_opts(&qemu_trace_opts);
qemu_plugin_add_opts();
optind = parse_args(argc, argv);
@ -650,6 +665,9 @@ int main(int argc, char **argv, char **envp)
exit(1);
}
trace_init_file(trace_file);
if (qemu_plugin_load_list(&plugins)) {
exit(1);
}
/* Zero out regs */
memset(regs, 0, sizeof(struct target_pt_regs));