diff options
Diffstat (limited to 'arch/arm/probes/decode.h')
| -rw-r--r-- | arch/arm/probes/decode.h | 36 |
1 files changed, 2 insertions, 34 deletions
diff --git a/arch/arm/probes/decode.h b/arch/arm/probes/decode.h index 548d622a3159..facc889d05ee 100644 --- a/arch/arm/probes/decode.h +++ b/arch/arm/probes/decode.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * arch/arm/probes/decode.h * @@ -5,15 +6,6 @@ * * Some contents moved here from arch/arm/include/asm/kprobes.h which is * Copyright (C) 2006, 2007 Motorola Inc. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. */ #ifndef _ARM_KERNEL_PROBES_H @@ -22,6 +14,7 @@ #include <linux/types.h> #include <linux/stddef.h> #include <asm/probes.h> +#include <asm/ptrace.h> #include <asm/kprobes.h> void __init arm_probes_decode_init(void); @@ -43,31 +36,6 @@ void __init find_str_pc_offset(void); #endif -/* - * Update ITSTATE after normal execution of an IT block instruction. - * - * The 8 IT state bits are split into two parts in CPSR: - * ITSTATE<1:0> are in CPSR<26:25> - * ITSTATE<7:2> are in CPSR<15:10> - */ -static inline unsigned long it_advance(unsigned long cpsr) - { - if ((cpsr & 0x06000400) == 0) { - /* ITSTATE<2:0> == 0 means end of IT block, so clear IT state */ - cpsr &= ~PSR_IT_MASK; - } else { - /* We need to shift left ITSTATE<4:0> */ - const unsigned long mask = 0x06001c00; /* Mask ITSTATE<4:0> */ - unsigned long it = cpsr & mask; - it <<= 1; - it |= it >> (27 - 10); /* Carry ITSTATE<2> to correct place */ - it &= mask; - cpsr &= ~mask; - cpsr |= it; - } - return cpsr; -} - static inline void __kprobes bx_write_pc(long pcv, struct pt_regs *regs) { long cpsr = regs->ARM_cpsr; |