ARM: Make arch_specific_insn a define for new arch_probes_insn structure
Because the common underlying code for ARM kprobes and uprobes needs
to share a common architecrure-specific context structure, and because
the generic kprobes include file insists on defining this to a dummy
structure when kprobes is not configured, a new common structure is
required which can exist when uprobes is configured without kprobes.
In this case kprobes will define a dummy structure, but without the
define aliasing the two structure tags it will not affect uprobes and
the shared probes code.
Signed-off-by: David A. Long <dave.long@linaro.org>
Acked-by: Jon Medhurst <tixy@linaro.org>
diff --git a/arch/arm/kernel/kprobes-arm.c b/arch/arm/kernel/kprobes-arm.c
index d01d9f5..ac300c6 100644
--- a/arch/arm/kernel/kprobes-arm.c
+++ b/arch/arm/kernel/kprobes-arm.c
@@ -74,7 +74,7 @@
static void __kprobes
emulate_ldrdstrd(probes_opcode_t insn,
- struct arch_specific_insn *asi, struct pt_regs *regs)
+ struct arch_probes_insn *asi, struct pt_regs *regs)
{
unsigned long pc = regs->ARM_pc + 4;
int rt = (insn >> 12) & 0xf;
@@ -103,7 +103,7 @@
static void __kprobes
emulate_ldr(probes_opcode_t insn,
- struct arch_specific_insn *asi, struct pt_regs *regs)
+ struct arch_probes_insn *asi, struct pt_regs *regs)
{
unsigned long pc = regs->ARM_pc + 4;
int rt = (insn >> 12) & 0xf;
@@ -133,7 +133,7 @@
static void __kprobes
emulate_str(probes_opcode_t insn,
- struct arch_specific_insn *asi, struct pt_regs *regs)
+ struct arch_probes_insn *asi, struct pt_regs *regs)
{
unsigned long rtpc = regs->ARM_pc - 4 + str_pc_offset;
unsigned long rnpc = regs->ARM_pc + 4;
@@ -160,7 +160,7 @@
static void __kprobes
emulate_rd12rn16rm0rs8_rwflags(probes_opcode_t insn,
- struct arch_specific_insn *asi, struct pt_regs *regs)
+ struct arch_probes_insn *asi, struct pt_regs *regs)
{
unsigned long pc = regs->ARM_pc + 4;
int rd = (insn >> 12) & 0xf;
@@ -195,7 +195,7 @@
static void __kprobes
emulate_rd12rn16rm0_rwflags_nopc(probes_opcode_t insn,
- struct arch_specific_insn *asi, struct pt_regs *regs)
+ struct arch_probes_insn *asi, struct pt_regs *regs)
{
int rd = (insn >> 12) & 0xf;
int rn = (insn >> 16) & 0xf;
@@ -222,7 +222,7 @@
static void __kprobes
emulate_rd16rn12rm0rs8_rwflags_nopc(probes_opcode_t insn,
- struct arch_specific_insn *asi,
+ struct arch_probes_insn *asi,
struct pt_regs *regs)
{
int rd = (insn >> 16) & 0xf;
@@ -252,7 +252,7 @@
static void __kprobes
emulate_rd12rm0_noflags_nopc(probes_opcode_t insn,
- struct arch_specific_insn *asi, struct pt_regs *regs)
+ struct arch_probes_insn *asi, struct pt_regs *regs)
{
int rd = (insn >> 12) & 0xf;
int rm = insn & 0xf;
@@ -272,7 +272,7 @@
static void __kprobes
emulate_rdlo12rdhi16rn0rm8_rwflags_nopc(probes_opcode_t insn,
- struct arch_specific_insn *asi,
+ struct arch_probes_insn *asi,
struct pt_regs *regs)
{
int rdlo = (insn >> 12) & 0xf;