diff options
Diffstat (limited to 'arch/arm/kernel/probes-arm.c')
| -rw-r--r-- | arch/arm/kernel/probes-arm.c | 33 |
1 files changed, 17 insertions, 16 deletions
diff --git a/arch/arm/kernel/probes-arm.c b/arch/arm/kernel/probes-arm.c index 496e0e913fa6..36002e5d0f0e 100644 --- a/arch/arm/kernel/probes-arm.c +++ b/arch/arm/kernel/probes-arm.c @@ -19,9 +19,8 @@ #include <linux/module.h> #include <linux/stddef.h> #include <linux/ptrace.h> -#include <linux/kprobes.h> -#include "kprobes.h" +#include "probes.h" #include "probes-arm.h" #define sign_extend(x, signbit) ((x) | (0 - ((x) & (1 << (signbit))))) @@ -58,10 +57,10 @@ * read and write of flags. */ -void __kprobes simulate_bbl(struct kprobe *p, struct pt_regs *regs) +void __kprobes simulate_bbl(kprobe_opcode_t insn, + struct arch_specific_insn *asi, struct pt_regs *regs) { - kprobe_opcode_t insn = p->opcode; - long iaddr = (long)p->addr; + long iaddr = (long) regs->ARM_pc - 4; int disp = branch_displacement(insn); if (insn & (1 << 24)) @@ -70,10 +69,10 @@ void __kprobes simulate_bbl(struct kprobe *p, struct pt_regs *regs) regs->ARM_pc = iaddr + 8 + disp; } -void __kprobes simulate_blx1(struct kprobe *p, struct pt_regs *regs) +void __kprobes simulate_blx1(kprobe_opcode_t insn, + struct arch_specific_insn *asi, struct pt_regs *regs) { - kprobe_opcode_t insn = p->opcode; - long iaddr = (long)p->addr; + long iaddr = (long) regs->ARM_pc - 4; int disp = branch_displacement(insn); regs->ARM_lr = iaddr + 4; @@ -81,14 +80,14 @@ void __kprobes simulate_blx1(struct kprobe *p, struct pt_regs *regs) regs->ARM_cpsr |= PSR_T_BIT; } -void __kprobes simulate_blx2bx(struct kprobe *p, struct pt_regs *regs) +void __kprobes simulate_blx2bx(kprobe_opcode_t insn, + struct arch_specific_insn *asi, struct pt_regs *regs) { - kprobe_opcode_t insn = p->opcode; int rm = insn & 0xf; long rmv = regs->uregs[rm]; if (insn & (1 << 5)) - regs->ARM_lr = (long)p->addr + 4; + regs->ARM_lr = (long) regs->ARM_pc; regs->ARM_pc = rmv & ~0x1; regs->ARM_cpsr &= ~PSR_T_BIT; @@ -96,15 +95,16 @@ void __kprobes simulate_blx2bx(struct kprobe *p, struct pt_regs *regs) regs->ARM_cpsr |= PSR_T_BIT; } -void __kprobes simulate_mrs(struct kprobe *p, struct pt_regs *regs) +void __kprobes simulate_mrs(kprobe_opcode_t insn, + struct arch_specific_insn *asi, struct pt_regs *regs) { - kprobe_opcode_t insn = p->opcode; int rd = (insn >> 12) & 0xf; unsigned long mask = 0xf8ff03df; /* Mask out execution state */ regs->uregs[rd] = regs->ARM_cpsr & mask; } -void __kprobes simulate_mov_ipsp(struct kprobe *p, struct pt_regs *regs) +void __kprobes simulate_mov_ipsp(kprobe_opcode_t insn, + struct arch_specific_insn *asi, struct pt_regs *regs) { regs->uregs[12] = regs->uregs[13]; } @@ -704,10 +704,11 @@ const union decode_item kprobe_decode_arm_table[] = { EXPORT_SYMBOL_GPL(kprobe_decode_arm_table); #endif -static void __kprobes arm_singlestep(struct kprobe *p, struct pt_regs *regs) +static void __kprobes arm_singlestep(kprobe_opcode_t insn, + struct arch_specific_insn *asi, struct pt_regs *regs) { regs->ARM_pc += 4; - p->ainsn.insn_handler(p, regs); + asi->insn_handler(insn, asi, regs); } /* Return: |
