[REFACTOR] move default handlers for KS

from src/modules/driver/probes_manager.c
to src/modules/driver/ks_def_handler.c

diff --git a/driver/Kbuild b/driver/Kbuild
index 33003e8..2ebe682 100644 (file)
--- a/driver/Kbuild
+++ b/driver/Kbuild
@@ -4,4 +4,5 @@ obj-m := swap_driver.o
 swap_driver-y := error_storage.o device_driver.o ec.o legacy.o module.o probes.o \
                  probes_manager.o storage.o us_proc_inst.o helper.o us_slot_manager.o \
                  sspt/ip.o sspt/sspt_page.o sspt/sspt_file.o sspt/sspt_proc.o \
-                 filters/filters_core.o filters/filter_by_pach.o us_def_handler.o
+                 filters/filters_core.o filters/filter_by_pach.o us_def_handler.o \
+                 ks_def_handler.o

diff --git a/driver/ks_def_handler.c b/driver/ks_def_handler.c
new file mode 100644 (file)
index 0000000..8a88ad1
--- /dev/null
+++ b/driver/ks_def_handler.c
@@ -0,0 +1,39 @@
+#include <linux/module.h>
+#include <asm/percpu.h>
+#include "probes_manager.h"
+
+DEFINE_PER_CPU(kernel_probe_t *, gpKernProbe) = NULL;
+EXPORT_PER_CPU_SYMBOL_GPL(gpKernProbe);
+
+unsigned long def_jprobe_event_pre_handler(kernel_probe_t *p,
+                                          struct pt_regs *regs)
+{
+       __get_cpu_var(gpKernProbe) = p;
+
+       return 0;
+}
+EXPORT_SYMBOL_GPL(def_jprobe_event_pre_handler);
+
+void def_jprobe_event_handler(unsigned long arg0, unsigned long arg1,
+                             unsigned long arg2, unsigned long arg3,
+                             unsigned long arg4, unsigned long arg5)
+{
+       kernel_probe_t *p = __get_cpu_var(gpKernProbe);
+
+       pack_event_info(KS_PROBE_ID, RECORD_ENTRY, "pxxxxxx", p->addr,
+                       arg0, arg1, arg2, arg3, arg4, arg5);
+       dbi_jprobe_return();
+}
+EXPORT_SYMBOL_GPL(def_jprobe_event_handler);
+
+int def_retprobe_event_handler(struct kretprobe_instance *ri,
+                              struct pt_regs *regs, kernel_probe_t *p)
+{
+       int ret_val;
+
+       ret_val = regs_return_value(regs);
+       pack_event_info(KS_PROBE_ID, RECORD_RET, "pd", p->addr, ret_val);
+
+       return 0;
+}
+EXPORT_SYMBOL_GPL(def_retprobe_event_handler);

diff --git a/driver/ks_def_handler.h b/driver/ks_def_handler.h
new file mode 100644 (file)
index 0000000..050f8c7
--- /dev/null
+++ b/driver/ks_def_handler.h
@@ -0,0 +1,20 @@
+#ifndef _KS_DEF_HANDLER_H
+#define _KS_DEF_HANDLER_H
+
+#include <asm/percpu.h>
+#include "probes_manager.h"
+
+struct pt_regs;
+struct kretprobe_instance;
+
+DECLARE_PER_CPU(kernel_probe_t *, gpKernProbe);
+
+unsigned long def_jprobe_event_pre_handler(kernel_probe_t *p,
+                                          struct pt_regs *regs);
+void def_jprobe_event_handler(unsigned long arg0, unsigned long arg1,
+                             unsigned long arg2, unsigned long arg3,
+                             unsigned long arg4, unsigned long arg5);
+int def_retprobe_event_handler(struct kretprobe_instance *ri,
+                              struct pt_regs *regs, kernel_probe_t *p);
+
+#endif /* _KS_DEF_HANDLER_H */

diff --git a/driver/probes_manager.c b/driver/probes_manager.c
index cfce4ce..cd8897c 100644 (file)
--- a/driver/probes_manager.c
+++ b/driver/probes_manager.c
@@ -170,37 +170,6 @@ int reset_probes(void)
        return 0;
 }
 
-static DEFINE_PER_CPU(kernel_probe_t *, gpKernProbe) = NULL;
-
-unsigned long
-def_jprobe_event_pre_handler (kernel_probe_t * probe, struct pt_regs *regs)
-{
-       __get_cpu_var (gpKernProbe) = probe;
-
-       return 0;
-}
-
-void
-def_jprobe_event_handler (unsigned long arg1, unsigned long arg2, unsigned long arg3, unsigned long arg4, unsigned long arg5, unsigned long arg6)
-{
-       //static int nCount;
-       kernel_probe_t *probe = __get_cpu_var(gpKernProbe);
-
-       pack_event_info(KS_PROBE_ID, RECORD_ENTRY, "pxxxxxx", probe->addr, arg1, arg2, arg3, arg4, arg5, arg6);
-       dbi_jprobe_return ();
-}
-
-int
-def_retprobe_event_handler (struct kretprobe_instance *pi, struct pt_regs *regs, kernel_probe_t * probe)
-{
-       int ret_val;
-
-       ret_val = regs_return_value(regs);
-       pack_event_info(KS_PROBE_ID, RECORD_RET, "pd", probe->addr, ret_val);
-
-       return 0;
-}
-
 int install_kern_otg_probe(unsigned long addr,
                           unsigned long pre_handler,
                           unsigned long jp_handler,

diff --git a/driver/probes_manager.h b/driver/probes_manager.h
index 4f0cff4..9cf1226 100644 (file)
--- a/driver/probes_manager.h
+++ b/driver/probes_manager.h
@@ -37,9 +37,6 @@ extern int reset_probes(void);
 int set_kernel_probes(void);
 int unset_kernel_probes(void);
 
-extern unsigned long def_jprobe_event_pre_handler (kernel_probe_t * probe, struct pt_regs *regs);
-extern void def_jprobe_event_handler (unsigned long arg1, unsigned long arg2, unsigned long arg3, unsigned long arg4, unsigned long arg5, unsigned long arg6);
-extern int def_retprobe_event_handler (struct kretprobe_instance *probe, struct pt_regs *regs, kernel_probe_t * p);
 void dbi_install_user_handlers(void);
 void dbi_uninstall_user_handlers(void);
 int install_kern_otg_probe(unsigned long addr,

diff --git a/driver/storage.c b/driver/storage.c
index d402a07..3db2c03 100644 (file)
--- a/driver/storage.c
+++ b/driver/storage.c
@@ -30,6 +30,7 @@
 #include "CProfile.h"
 #include "sspt/sspt.h"
 #include "sspt/sspt_debug.h"
+#include "ks_def_handler.h"
 
 #define after_buffer ec_info.buffer_size
 

diff --git a/driver/storage.h b/driver/storage.h
index 5384ff7..df34b09 100644 (file)
--- a/driver/storage.h
+++ b/driver/storage.h
@@ -22,6 +22,7 @@
 #include <linux/module.h>
 #include <linux/list.h>
 #include <linux/spinlock.h>
+#include <dbi_kprobes.h>
 #include "picl.h"
 #include "ec_ioctl.h"
 #include "ec_probe.h"