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[Qemu-devel] [PATCH v6 04/22] instrument: [linux-user] Add command line
From: |
Lluís Vilanova |
Subject: |
[Qemu-devel] [PATCH v6 04/22] instrument: [linux-user] Add command line library loader |
Date: |
Wed, 13 Sep 2017 13:09:51 +0300 |
User-agent: |
StGit/0.18 |
Signed-off-by: Lluís Vilanova <address@hidden>
---
linux-user/main.c | 21 +++++++++++++++++++++
linux-user/syscall.c | 4 ++++
2 files changed, 25 insertions(+)
diff --git a/linux-user/main.c b/linux-user/main.c
index 03666ef657..ac5c30c1fb 100644
--- a/linux-user/main.c
+++ b/linux-user/main.c
@@ -36,6 +36,7 @@
#include "exec/log.h"
#include "trace/control.h"
#include "glib-compat.h"
+#include "instrument/cmdline.h"
char *exec_path;
@@ -4017,6 +4018,17 @@ static void handle_arg_trace(const char *arg)
trace_file = trace_opt_parse(arg);
}
+static char *instrument_path;
+static int instrument_argc;
+static const char **instrument_argv;
+#if defined(CONFIG_INSTRUMENT)
+static void handle_arg_instrument(const char *arg)
+{
+ instr_opt_parse(arg, &instrument_path,
+ &instrument_argc, &instrument_argv);
+}
+#endif
+
struct qemu_argument {
const char *argv;
const char *env;
@@ -4066,6 +4078,10 @@ 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>]"},
+#if defined(CONFIG_INSTRUMENT)
+ {"instr", "QEMU_INSTR", true, handle_arg_instrument,
+ "", "[file=]<file>[,arg=<string>]"},
+#endif
{"version", "QEMU_VERSION", false, handle_arg_version,
"", "display version information and exit"},
{NULL, NULL, false, NULL, NULL, NULL}
@@ -4257,6 +4273,9 @@ int main(int argc, char **argv, char **envp)
srand(time(NULL));
qemu_add_opts(&qemu_trace_opts);
+#if defined(CONFIG_INSTRUMENT)
+ qemu_add_opts(&qemu_instr_opts);
+#endif
optind = parse_args(argc, argv);
@@ -4265,6 +4284,8 @@ int main(int argc, char **argv, char **envp)
}
trace_init_file(trace_file);
+ instr_init(instrument_path, instrument_argc, instrument_argv);
+
/* Zero out regs */
memset(regs, 0, sizeof(struct target_pt_regs));
diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index 9b6364a266..e73a07fa6f 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -115,6 +115,8 @@ int __clone2(int (*fn)(void *), void *child_stack_base,
#include "uname.h"
#include "qemu.h"
+#include "instrument/cmdline.h"
+
#ifndef CLONE_IO
#define CLONE_IO 0x80000000 /* Clone io context */
@@ -7765,6 +7767,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1,
_mcleanup();
#endif
gdb_exit(cpu_env, arg1);
+ instr_fini();
_exit(arg1);
ret = 0; /* avoid warning */
break;
@@ -9821,6 +9824,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1,
_mcleanup();
#endif
gdb_exit(cpu_env, arg1);
+ instr_fini();
ret = get_errno(exit_group(arg1));
break;
#endif
- [Qemu-devel] [PATCH v6 00/22] instrument: Add basic event instrumentation, Lluís Vilanova, 2017/09/13
- [Qemu-devel] [PATCH v6 02/22] instrument: Add configure-time flag, Lluís Vilanova, 2017/09/13
- [Qemu-devel] [PATCH v6 03/22] instrument: Add generic library loader, Lluís Vilanova, 2017/09/13
- [Qemu-devel] [PATCH v6 04/22] instrument: [linux-user] Add command line library loader,
Lluís Vilanova <=
- [Qemu-devel] [PATCH v6 05/22] instrument: [bsd-user] Add command line library loader, Lluís Vilanova, 2017/09/13
- [Qemu-devel] [PATCH v6 06/22] instrument: [softmmu] Add command line library loader, Lluís Vilanova, 2017/09/13
- [Qemu-devel] [PATCH v6 07/22] instrument: [qapi] Add library loader, Lluís Vilanova, 2017/09/13
- [Qemu-devel] [PATCH v6 08/22] instrument: [hmp] Add library loader, Lluís Vilanova, 2017/09/13
- [Qemu-devel] [PATCH v6 09/22] instrument: Add basic control interface, Lluís Vilanova, 2017/09/13
- [Qemu-devel] [PATCH v6 10/22] instrument: Add support for tracing events, Lluís Vilanova, 2017/09/13
- [Qemu-devel] [PATCH v6 11/22] instrument: Track vCPUs, Lluís Vilanova, 2017/09/13
- [Qemu-devel] [PATCH v6 12/22] instrument: Add event 'guest_cpu_enter', Lluís Vilanova, 2017/09/13
- [Qemu-devel] [PATCH v6 13/22] instrument: Support synchronous modification of vCPU state, Lluís Vilanova, 2017/09/13
- [Qemu-devel] [PATCH v6 14/22] exec: Add function to synchronously flush TB on a stopped vCPU, Lluís Vilanova, 2017/09/13