Merge branch 'kbuild' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild

[sfrench/cifs-2.6.git] / arch / arm / kernel / kprobes.c

diff --git a/arch/arm/kernel/kprobes.c b/arch/arm/kernel/kprobes.c
index a7b621ece23d3c729d681e8004952c320215e9fc..8795f9f819d5820285bd5e737456ddb7a3f802bb 100644 (file)
--- a/arch/arm/kernel/kprobes.c
+++ b/arch/arm/kernel/kprobes.c
@@ -27,8 +27,12 @@
 #include <linux/stringify.h>
 #include <asm/traps.h>
 #include <asm/cacheflush.h>
+#include <linux/percpu.h>
+#include <linux/bug.h>
 
 #include "kprobes.h"
+#include "probes-arm.h"
+#include "probes-thumb.h"
 #include "patch.h"
 
 #define MIN_STACK_SIZE(addr)                           \
@@ -54,6 +58,7 @@ int __kprobes arch_prepare_kprobe(struct kprobe *p)
        unsigned long addr = (unsigned long)p->addr;
        bool thumb;
        kprobe_decode_insn_t *decode_insn;
+       const union decode_action *actions;
        int is;
 
        if (in_exception_text(addr))
@@ -66,21 +71,25 @@ int __kprobes arch_prepare_kprobe(struct kprobe *p)
        if (is_wide_instruction(insn)) {
                insn <<= 16;
                insn |= ((u16 *)addr)[1];
-               decode_insn = thumb32_kprobe_decode_insn;
-       } else
-               decode_insn = thumb16_kprobe_decode_insn;
+               decode_insn = thumb32_probes_decode_insn;
+               actions = kprobes_t32_actions;
+       } else {
+               decode_insn = thumb16_probes_decode_insn;
+               actions = kprobes_t16_actions;
+       }
 #else /* !CONFIG_THUMB2_KERNEL */
        thumb = false;
        if (addr & 0x3)
                return -EINVAL;
        insn = *p->addr;
-       decode_insn = arm_kprobe_decode_insn;
+       decode_insn = arm_probes_decode_insn;
+       actions = kprobes_arm_actions;
 #endif
 
        p->opcode = insn;
        p->ainsn.insn = tmp_insn;
 
-       switch ((*decode_insn)(insn, &p->ainsn)) {
+       switch ((*decode_insn)(insn, &p->ainsn, true, actions)) {
        case INSN_REJECTED:     /* not supported */
                return -EINVAL;
 
@@ -92,7 +101,7 @@ int __kprobes arch_prepare_kprobe(struct kprobe *p)
                        p->ainsn.insn[is] = tmp_insn[is];
                flush_insns(p->ainsn.insn,
                                sizeof(p->ainsn.insn[0]) * MAX_INSN_SIZE);
-               p->ainsn.insn_fn = (kprobe_insn_fn_t *)
+               p->ainsn.insn_fn = (probes_insn_fn_t *)
                                        ((uintptr_t)p->ainsn.insn | thumb);
                break;
 
@@ -197,7 +206,7 @@ singlestep_skip(struct kprobe *p, struct pt_regs *regs)
 static inline void __kprobes
 singlestep(struct kprobe *p, struct pt_regs *regs, struct kprobe_ctlblk *kcb)
 {
-       p->ainsn.insn_singlestep(p, regs);
+       p->ainsn.insn_singlestep(p->opcode, &p->ainsn, regs);
 }
 
 /*
@@ -607,7 +616,7 @@ static struct undef_hook kprobes_arm_break_hook = {
 
 int __init arch_init_kprobes()
 {
-       arm_kprobe_decode_init();
+       arm_probes_decode_init();
 #ifdef CONFIG_THUMB2_KERNEL
        register_undef_hook(&kprobes_thumb16_break_hook);
        register_undef_hook(&kprobes_thumb32_break_hook);