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ima: change integrity cache to store measured pcr
[deliverable/linux.git]
/
samples
/
kprobes
/
kprobe_example.c
diff --git
a/samples/kprobes/kprobe_example.c
b/samples/kprobes/kprobe_example.c
index 727eb21c9c5624f2998f321d59db1017339c69a3..ed0ca0c072427faeedaae38a0e21531a18d91db4 100644
(file)
--- a/
samples/kprobes/kprobe_example.c
+++ b/
samples/kprobes/kprobe_example.c
@@
-14,33
+14,37
@@
#include <linux/module.h>
#include <linux/kprobes.h>
#include <linux/module.h>
#include <linux/kprobes.h>
+#define MAX_SYMBOL_LEN 64
+static char symbol[MAX_SYMBOL_LEN] = "_do_fork";
+module_param_string(symbol, symbol, sizeof(symbol), 0644);
+
/* For each probe you need to allocate a kprobe structure */
static struct kprobe kp = {
/* For each probe you need to allocate a kprobe structure */
static struct kprobe kp = {
- .symbol_name =
"_do_fork"
,
+ .symbol_name =
symbol
,
};
/* kprobe pre_handler: called just before the probed instruction is executed */
static int handler_pre(struct kprobe *p, struct pt_regs *regs)
{
#ifdef CONFIG_X86
};
/* kprobe pre_handler: called just before the probed instruction is executed */
static int handler_pre(struct kprobe *p, struct pt_regs *regs)
{
#ifdef CONFIG_X86
- printk(KERN_INFO "pre_handler: p->addr = 0x%p, ip = %lx,"
+ printk(KERN_INFO "
<%s>
pre_handler: p->addr = 0x%p, ip = %lx,"
" flags = 0x%lx\n",
" flags = 0x%lx\n",
- p->addr, regs->ip, regs->flags);
+ p->
symbol_name, p->
addr, regs->ip, regs->flags);
#endif
#ifdef CONFIG_PPC
#endif
#ifdef CONFIG_PPC
- printk(KERN_INFO "pre_handler: p->addr = 0x%p, nip = 0x%lx,"
+ printk(KERN_INFO "
<%s>
pre_handler: p->addr = 0x%p, nip = 0x%lx,"
" msr = 0x%lx\n",
" msr = 0x%lx\n",
- p->addr, regs->nip, regs->msr);
+ p->
symbol_name, p->
addr, regs->nip, regs->msr);
#endif
#ifdef CONFIG_MIPS
#endif
#ifdef CONFIG_MIPS
- printk(KERN_INFO "pre_handler: p->addr = 0x%p, epc = 0x%lx,"
+ printk(KERN_INFO "
<%s>
pre_handler: p->addr = 0x%p, epc = 0x%lx,"
" status = 0x%lx\n",
" status = 0x%lx\n",
- p->addr, regs->cp0_epc, regs->cp0_status);
+ p->
symbol_name, p->
addr, regs->cp0_epc, regs->cp0_status);
#endif
#ifdef CONFIG_TILEGX
#endif
#ifdef CONFIG_TILEGX
- printk(KERN_INFO "pre_handler: p->addr = 0x%p, pc = 0x%lx,"
+ printk(KERN_INFO "
<%s>
pre_handler: p->addr = 0x%p, pc = 0x%lx,"
" ex1 = 0x%lx\n",
" ex1 = 0x%lx\n",
- p->addr, regs->pc, regs->ex1);
+ p->
symbol_name, p->
addr, regs->pc, regs->ex1);
#endif
/* A dump_stack() here will give a stack backtrace */
#endif
/* A dump_stack() here will give a stack backtrace */
@@
-52,20
+56,20
@@
static void handler_post(struct kprobe *p, struct pt_regs *regs,
unsigned long flags)
{
#ifdef CONFIG_X86
unsigned long flags)
{
#ifdef CONFIG_X86
- printk(KERN_INFO "post_handler: p->addr = 0x%p, flags = 0x%lx\n",
- p->addr, regs->flags);
+ printk(KERN_INFO "
<%s>
post_handler: p->addr = 0x%p, flags = 0x%lx\n",
+ p->
symbol_name, p->
addr, regs->flags);
#endif
#ifdef CONFIG_PPC
#endif
#ifdef CONFIG_PPC
- printk(KERN_INFO "post_handler: p->addr = 0x%p, msr = 0x%lx\n",
- p->addr, regs->msr);
+ printk(KERN_INFO "
<%s>
post_handler: p->addr = 0x%p, msr = 0x%lx\n",
+ p->
symbol_name, p->
addr, regs->msr);
#endif
#ifdef CONFIG_MIPS
#endif
#ifdef CONFIG_MIPS
- printk(KERN_INFO "post_handler: p->addr = 0x%p, status = 0x%lx\n",
- p->addr, regs->cp0_status);
+ printk(KERN_INFO "
<%s>
post_handler: p->addr = 0x%p, status = 0x%lx\n",
+ p->
symbol_name, p->
addr, regs->cp0_status);
#endif
#ifdef CONFIG_TILEGX
#endif
#ifdef CONFIG_TILEGX
- printk(KERN_INFO "post_handler: p->addr = 0x%p, ex1 = 0x%lx\n",
- p->addr, regs->ex1);
+ printk(KERN_INFO "
<%s>
post_handler: p->addr = 0x%p, ex1 = 0x%lx\n",
+ p->
symbol_name, p->
addr, regs->ex1);
#endif
}
#endif
}
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