diff options
Diffstat (limited to 'arch/x86/include/asm/uprobes.h')
| -rw-r--r-- | arch/x86/include/asm/uprobes.h | 35 |
1 files changed, 21 insertions, 14 deletions
diff --git a/arch/x86/include/asm/uprobes.h b/arch/x86/include/asm/uprobes.h index 74f4c2ff6427..362210c79998 100644 --- a/arch/x86/include/asm/uprobes.h +++ b/arch/x86/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 x86 * - * 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 (C) IBM Corporation, 2008-2011 * Authors: * Srikar Dronamraju @@ -33,6 +20,11 @@ typedef u8 uprobe_opcode_t; #define UPROBE_SWBP_INSN 0xcc #define UPROBE_SWBP_INSN_SIZE 1 +enum { + ARCH_UPROBE_FLAG_CAN_OPTIMIZE = 0, + ARCH_UPROBE_FLAG_OPTIMIZE_FAIL = 1, +}; + struct uprobe_xol_ops; struct arch_uprobe { @@ -53,7 +45,13 @@ struct arch_uprobe { u8 fixups; u8 ilen; } defparam; + struct { + u8 reg_offset; /* to the start of pt_regs */ + u8 ilen; + } push; }; + + unsigned long flags; }; struct arch_uprobe_task { @@ -64,4 +62,13 @@ struct arch_uprobe_task { unsigned int saved_tf; }; +#ifdef CONFIG_UPROBES +extern bool is_uprobe_at_func_entry(struct pt_regs *regs); +#else +static bool is_uprobe_at_func_entry(struct pt_regs *regs) +{ + return false; +} +#endif /* CONFIG_UPROBES */ + #endif /* _ASM_UPROBES_H */ |