~ [ source navigation ] ~ [ diff markup ] ~ [ identifier search ] ~

TOMOYO Linux Cross Reference
Linux/arch/mips/include/asm/kprobes.h

Version: ~ [ linux-5.11 ] ~ [ linux-5.10.17 ] ~ [ linux-5.9.16 ] ~ [ linux-5.8.18 ] ~ [ linux-5.7.19 ] ~ [ linux-5.6.19 ] ~ [ linux-5.5.19 ] ~ [ linux-5.4.99 ] ~ [ linux-5.3.18 ] ~ [ linux-5.2.21 ] ~ [ linux-5.1.21 ] ~ [ linux-5.0.21 ] ~ [ linux-4.20.17 ] ~ [ linux-4.19.176 ] ~ [ linux-4.18.20 ] ~ [ linux-4.17.19 ] ~ [ linux-4.16.18 ] ~ [ linux-4.15.18 ] ~ [ linux-4.14.221 ] ~ [ linux-4.13.16 ] ~ [ linux-4.12.14 ] ~ [ linux-4.11.12 ] ~ [ linux-4.10.17 ] ~ [ linux-4.9.257 ] ~ [ linux-4.8.17 ] ~ [ linux-4.7.10 ] ~ [ linux-4.6.7 ] ~ [ linux-4.5.7 ] ~ [ linux-4.4.257 ] ~ [ linux-4.3.6 ] ~ [ linux-4.2.8 ] ~ [ linux-4.1.52 ] ~ [ linux-4.0.9 ] ~ [ linux-3.19.8 ] ~ [ linux-3.18.140 ] ~ [ linux-3.17.8 ] ~ [ linux-3.16.85 ] ~ [ linux-3.15.10 ] ~ [ linux-3.14.79 ] ~ [ linux-3.13.11 ] ~ [ linux-3.12.74 ] ~ [ linux-3.11.10 ] ~ [ linux-3.10.108 ] ~ [ linux-2.6.32.71 ] ~ [ linux-2.6.0 ] ~ [ linux-2.4.37.11 ] ~ [ unix-v6-master ] ~ [ ccs-tools-1.8.5 ] ~ [ policy-sample ] ~
Architecture: ~ [ i386 ] ~ [ alpha ] ~ [ m68k ] ~ [ mips ] ~ [ ppc ] ~ [ sparc ] ~ [ sparc64 ] ~

  1 /*
  2  *  Kernel Probes (KProbes)
  3  *  include/asm-mips/kprobes.h
  4  *
  5  *  Copyright 2006 Sony Corp.
  6  *  Copyright 2010 Cavium Networks
  7  *
  8  *  This program is free software; you can redistribute it and/or modify
  9  *  it under the terms of the GNU General Public License as published by
 10  *  the Free Software Foundation; version 2 of the License.
 11  *
 12  *  This program is distributed in the hope that it will be useful,
 13  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 14  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 15  *  GNU General Public License for more details.
 16  *
 17  *  You should have received a copy of the GNU General Public License
 18  *  along with this program; if not, write to the Free Software
 19  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 20  */
 21 
 22 #ifndef _ASM_KPROBES_H
 23 #define _ASM_KPROBES_H
 24 
 25 #include <linux/ptrace.h>
 26 #include <linux/types.h>
 27 
 28 #include <asm/cacheflush.h>
 29 #include <asm/kdebug.h>
 30 #include <asm/inst.h>
 31 
 32 #define  __ARCH_WANT_KPROBES_INSN_SLOT
 33 
 34 struct kprobe;
 35 struct pt_regs;
 36 
 37 typedef union mips_instruction kprobe_opcode_t;
 38 
 39 #define MAX_INSN_SIZE 2
 40 
 41 #define flush_insn_slot(p)                                              \
 42 do {                                                                    \
 43         if (p->addr)                                                    \
 44                 flush_icache_range((unsigned long)p->addr,              \
 45                            (unsigned long)p->addr +                     \
 46                            (MAX_INSN_SIZE * sizeof(kprobe_opcode_t)));  \
 47 } while (0)
 48 
 49 
 50 #define kretprobe_blacklist_size 0
 51 
 52 void arch_remove_kprobe(struct kprobe *p);
 53 
 54 /* Architecture specific copy of original instruction*/
 55 struct arch_specific_insn {
 56         /* copy of the original instruction */
 57         kprobe_opcode_t *insn;
 58 };
 59 
 60 struct prev_kprobe {
 61         struct kprobe *kp;
 62         unsigned long status;
 63         unsigned long old_SR;
 64         unsigned long saved_SR;
 65         unsigned long saved_epc;
 66 };
 67 
 68 #define MAX_JPROBES_STACK_SIZE 128
 69 #define MAX_JPROBES_STACK_ADDR \
 70         (((unsigned long)current_thread_info()) + THREAD_SIZE - 32 - sizeof(struct pt_regs))
 71 
 72 #define MIN_JPROBES_STACK_SIZE(ADDR)                                    \
 73         ((((ADDR) + MAX_JPROBES_STACK_SIZE) > MAX_JPROBES_STACK_ADDR)   \
 74                 ? MAX_JPROBES_STACK_ADDR - (ADDR)                       \
 75                 : MAX_JPROBES_STACK_SIZE)
 76 
 77 
 78 #define SKIP_DELAYSLOT 0x0001
 79 
 80 /* per-cpu kprobe control block */
 81 struct kprobe_ctlblk {
 82         unsigned long kprobe_status;
 83         unsigned long kprobe_old_SR;
 84         unsigned long kprobe_saved_SR;
 85         unsigned long kprobe_saved_epc;
 86         unsigned long jprobe_saved_sp;
 87         struct pt_regs jprobe_saved_regs;
 88         /* Per-thread fields, used while emulating branches */
 89         unsigned long flags;
 90         unsigned long target_epc;
 91         u8 jprobes_stack[MAX_JPROBES_STACK_SIZE];
 92         struct prev_kprobe prev_kprobe;
 93 };
 94 
 95 extern int kprobe_exceptions_notify(struct notifier_block *self,
 96                                     unsigned long val, void *data);
 97 
 98 #endif                          /* _ASM_KPROBES_H */
 99 

~ [ source navigation ] ~ [ diff markup ] ~ [ identifier search ] ~

kernel.org | git.kernel.org | LWN.net | Project Home | Wiki (Japanese) | Wiki (English) | SVN repository | Mail admin

Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.

osdn.jp