forked from luck/tmp_suning_uos_patched
5cdb76d6f0
Purely cosmetic, no changes in .o, 1. As Jim pointed out arch_uprobe->def looks ambiguous, rename it to ->defparam. 2. Add the comment into default_post_xol_op() to explain "regs->sp +=". 3. Remove the stale part of the comment in arch_uprobe_analyze_insn(). Suggested-by: Jim Keniston <jkenisto@us.ibm.com> Reviewed-by: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com> Acked-by: Srikar Dronamraju <srikar@linux.vnet.ibm.com> Signed-off-by: Oleg Nesterov <oleg@redhat.com>
68 lines
1.6 KiB
C
68 lines
1.6 KiB
C
#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
|
|
* Jim Keniston
|
|
*/
|
|
|
|
#include <linux/notifier.h>
|
|
|
|
typedef u8 uprobe_opcode_t;
|
|
|
|
#define MAX_UINSN_BYTES 16
|
|
#define UPROBE_XOL_SLOT_BYTES 128 /* to keep it cache aligned */
|
|
|
|
#define UPROBE_SWBP_INSN 0xcc
|
|
#define UPROBE_SWBP_INSN_SIZE 1
|
|
|
|
struct uprobe_xol_ops;
|
|
|
|
struct arch_uprobe {
|
|
union {
|
|
u8 insn[MAX_UINSN_BYTES];
|
|
u8 ixol[MAX_UINSN_BYTES];
|
|
};
|
|
|
|
const struct uprobe_xol_ops *ops;
|
|
|
|
union {
|
|
struct {
|
|
s32 offs;
|
|
u8 ilen;
|
|
u8 opc1;
|
|
} branch;
|
|
struct {
|
|
u8 fixups;
|
|
u8 ilen;
|
|
} defparam;
|
|
};
|
|
};
|
|
|
|
struct arch_uprobe_task {
|
|
#ifdef CONFIG_X86_64
|
|
unsigned long saved_scratch_register;
|
|
#endif
|
|
unsigned int saved_trap_nr;
|
|
unsigned int saved_tf;
|
|
};
|
|
|
|
#endif /* _ASM_UPROBES_H */
|