ARM: Change more ARM kprobes symbol names to something more generic

Change kprobe_emulate_none, kprobe_simulate_nop, and arm_kprobe_decode_init
function names to something more appropriate for code being shared
outside of the kprobes subsystem. Also, move the new arm_probes_decode_init
declaration out of the kprobes.h include file and into the probes.h include file.

Signed-off-by: David A. Long <dave.long@linaro.org>
Acked-by: Jon Medhurst <tixy@linaro.org>

arch/arm/kernel/kprobes-arm.c

@@ -302,10 +302,10 @@ emulate_rdlo12rdhi16rn0rm8_rwflags_nopc(probes_opcode_t insn,
 }
 
 const union decode_action kprobes_arm_actions[NUM_PROBES_ARM_ACTIONS] = {
-	[PROBES_EMULATE_NONE] = {.handler = kprobe_emulate_none},
-	[PROBES_SIMULATE_NOP] = {.handler = kprobe_simulate_nop},
-	[PROBES_PRELOAD_IMM] = {.handler = kprobe_simulate_nop},
-	[PROBES_PRELOAD_REG] = {.handler = kprobe_simulate_nop},
+	[PROBES_EMULATE_NONE] = {.handler = probes_emulate_none},
+	[PROBES_SIMULATE_NOP] = {.handler = probes_simulate_nop},
+	[PROBES_PRELOAD_IMM] = {.handler = probes_simulate_nop},
+	[PROBES_PRELOAD_REG] = {.handler = probes_simulate_nop},
 	[PROBES_BRANCH_IMM] = {.handler = simulate_blx1},
 	[PROBES_MRS] = {.handler = simulate_mrs},
 	[PROBES_BRANCH_REG] = {.handler = simulate_blx2bx},
@@ -326,8 +326,8 @@ const union decode_action kprobes_arm_actions[NUM_PROBES_ARM_ACTIONS] = {
 	[PROBES_DATA_PROCESSING_IMM] = {
 		.handler = emulate_rd12rn16rm0rs8_rwflags},
 	[PROBES_MOV_HALFWORD] = {.handler = emulate_rd12rm0_noflags_nopc},
-	[PROBES_SEV] = {.handler = kprobe_emulate_none},
-	[PROBES_WFE] = {.handler = kprobe_simulate_nop},
+	[PROBES_SEV] = {.handler = probes_emulate_none},
+	[PROBES_WFE] = {.handler = probes_simulate_nop},
 	[PROBES_SATURATE] = {.handler = emulate_rd12rn16rm0_rwflags_nopc},
 	[PROBES_REV] = {.handler = emulate_rd12rm0_noflags_nopc},
 	[PROBES_MMI] = {.handler = emulate_rd12rn16rm0_rwflags_nopc},

arch/arm/kernel/kprobes-thumb.c

@@ -613,8 +613,8 @@ const union decode_action kprobes_t16_actions[NUM_PROBES_T16_ACTIONS] = {
 	[PROBES_T16_SIGN_EXTEND] = {.handler = t16_emulate_loregs_rwflags},
 	[PROBES_T16_PUSH] = {.decoder = t16_decode_push},
 	[PROBES_T16_POP] = {.decoder = t16_decode_pop},
-	[PROBES_T16_SEV] = {.handler = kprobe_emulate_none},
-	[PROBES_T16_WFE] = {.handler = kprobe_simulate_nop},
+	[PROBES_T16_SEV] = {.handler = probes_emulate_none},
+	[PROBES_T16_WFE] = {.handler = probes_simulate_nop},
 	[PROBES_T16_IT] = {.decoder = t16_decode_it},
 	[PROBES_T16_CMP] = {.handler = t16_emulate_loregs_rwflags},
 	[PROBES_T16_ADDSUB] = {.handler = t16_emulate_loregs_noitrwflags},
@@ -644,12 +644,12 @@ const union decode_action kprobes_t32_actions[NUM_PROBES_T32_ACTIONS] = {
 	[PROBES_T32_MOVW] = {.handler = t32_emulate_rd8rn16_noflags},
 	[PROBES_T32_SAT] = {.handler = t32_emulate_rd8rn16rm0_rwflags},
 	[PROBES_T32_BITFIELD] = {.handler = t32_emulate_rd8rn16_noflags},
-	[PROBES_T32_SEV] = {.handler = kprobe_emulate_none},
-	[PROBES_T32_WFE] = {.handler = kprobe_simulate_nop},
+	[PROBES_T32_SEV] = {.handler = probes_emulate_none},
+	[PROBES_T32_WFE] = {.handler = probes_simulate_nop},
 	[PROBES_T32_MRS] = {.handler = t32_simulate_mrs},
 	[PROBES_T32_BRANCH_COND] = {.decoder = t32_decode_cond_branch},
 	[PROBES_T32_BRANCH] = {.handler = t32_simulate_branch},
-	[PROBES_T32_PLDI] = {.handler = kprobe_simulate_nop},
+	[PROBES_T32_PLDI] = {.handler = probes_simulate_nop},
 	[PROBES_T32_LDR_LIT] = {.handler = t32_simulate_ldr_literal},
 	[PROBES_T32_LDRSTR] = {.handler = t32_emulate_ldrstr},
 	[PROBES_T32_SIGN_EXTEND] = {.handler = t32_emulate_rd8rn16rm0_rwflags},

arch/arm/kernel/kprobes.c

@@ -614,7 +614,7 @@ 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);

arch/arm/kernel/kprobes.h

@@ -57,8 +57,6 @@ enum kprobe_insn arm_kprobe_decode_insn(probes_opcode_t,
 
 #endif
 
-void __init arm_kprobe_decode_init(void);
-
 #include "probes.h"
 
 #endif /* _ARM_KERNEL_KPROBES_H */

arch/arm/kernel/probes.c

@@ -76,7 +76,7 @@ void __init test_alu_write_pc_interworking(void)
 #endif /* !test_alu_write_pc_interworking */
 
 
-void __init arm_kprobe_decode_init(void)
+void __init arm_probes_decode_init(void)
 {
 	find_str_pc_offset();
 	test_load_write_pc_interworking();
@@ -175,13 +175,13 @@ probes_check_cc * const probes_condition_checks[16] = {
 };
 
 
-void __kprobes kprobe_simulate_nop(probes_opcode_t opcode,
+void __kprobes probes_simulate_nop(probes_opcode_t opcode,
 	struct arch_specific_insn *asi,
 	struct pt_regs *regs)
 {
 }
 
-void __kprobes kprobe_emulate_none(probes_opcode_t opcode,
+void __kprobes probes_emulate_none(probes_opcode_t opcode,
 	struct arch_specific_insn *asi,
 	struct pt_regs *regs)
 {

arch/arm/kernel/probes.h

@@ -24,6 +24,8 @@
 #include <linux/kprobes.h>
 #include "kprobes.h"
 
+void __init arm_probes_decode_init(void);
+
 #if __LINUX_ARM_ARCH__ >= 7
 
 /* str_pc_offset is architecturally defined from ARMv7 onwards */
@@ -131,9 +133,9 @@ static inline void __kprobes alu_write_pc(long pcv, struct pt_regs *regs)
 }
 
 
-void __kprobes kprobe_simulate_nop(probes_opcode_t, struct arch_specific_insn *,
+void __kprobes probes_simulate_nop(probes_opcode_t, struct arch_specific_insn *,
 		struct pt_regs *regs);
-void __kprobes kprobe_emulate_none(probes_opcode_t, struct arch_specific_insn *,
+void __kprobes probes_emulate_none(probes_opcode_t, struct arch_specific_insn *,
 		struct pt_regs *regs);
 
 enum kprobe_insn __kprobes