diff options
Diffstat (limited to 'arch/powerpc/include/asm/uprobes.h')
| -rw-r--r-- | arch/powerpc/include/asm/uprobes.h | 30 |
1 files changed, 5 insertions, 25 deletions
diff --git a/arch/powerpc/include/asm/uprobes.h b/arch/powerpc/include/asm/uprobes.h index 23016020915e..4fea116d3d37 100644 --- a/arch/powerpc/include/asm/uprobes.h +++ b/arch/powerpc/include/asm/uprobes.h @@ -1,22 +1,9 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ #ifndef _ASM_UPROBES_H #define _ASM_UPROBES_H /* * User-space Probes (UProbes) for powerpc * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * 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. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - * * Copyright IBM Corporation, 2007-2012 * * Adapted from the x86 port by Ananth N Mavinakayanahalli <ananth@in.ibm.com> @@ -25,9 +12,9 @@ #include <linux/notifier.h> #include <asm/probes.h> -typedef ppc_opcode_t uprobe_opcode_t; +typedef u32 uprobe_opcode_t; -#define MAX_UINSN_BYTES 4 +#define MAX_UINSN_BYTES 8 #define UPROBE_XOL_SLOT_BYTES (MAX_UINSN_BYTES) /* The following alias is needed for reference from arch-agnostic code */ @@ -36,8 +23,8 @@ typedef ppc_opcode_t uprobe_opcode_t; struct arch_uprobe { union { - u8 insn[MAX_UINSN_BYTES]; - u32 ainsn; + u32 insn[2]; + u32 ixol[2]; }; }; @@ -45,11 +32,4 @@ struct arch_uprobe_task { unsigned long saved_trap_nr; }; -extern int arch_uprobe_analyze_insn(struct arch_uprobe *aup, struct mm_struct *mm, unsigned long addr); -extern int arch_uprobe_pre_xol(struct arch_uprobe *aup, struct pt_regs *regs); -extern int arch_uprobe_post_xol(struct arch_uprobe *aup, struct pt_regs *regs); -extern bool arch_uprobe_xol_was_trapped(struct task_struct *tsk); -extern int arch_uprobe_exception_notify(struct notifier_block *self, unsigned long val, void *data); -extern void arch_uprobe_abort_xol(struct arch_uprobe *aup, struct pt_regs *regs); -extern unsigned long arch_uretprobe_hijack_return_addr(unsigned long trampoline_vaddr, struct pt_regs *regs); #endif /* _ASM_UPROBES_H */ |