projects / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 1da177e4 LT |
1 | /* |
| 2 | * linux/arch/cris/kernel/ptrace.c | |
| 3 | * | |
| 4 | * Parts taken from the m68k port. | |
| 5 | * | |
| 6 | * Copyright (c) 2000, 2001, 2002 Axis Communications AB | |
| 7 | * | |
| 8 | * Authors: Bjorn Wesen | |
| 9 | * | |
| 10 | * $Log: ptrace.c,v $ | |
| cb09f540 MS |
11 | * Revision 1.10 2004/09/22 11:50:01 orjanf |
| 12 | * * Moved get_reg/put_reg to arch-specific files. | |
| 13 | * * Added functions to access debug registers (CRISv32). | |
| 14 | * * Added support for PTRACE_SINGLESTEP (CRISv32). | |
| 15 | * * Added S flag to CCS_MASK (CRISv32). | |
| 16 | * | |
| 1da177e4 LT |
17 | * Revision 1.9 2003/07/04 12:56:11 tobiasa |
| 18 | * Moved arch-specific code to arch-specific files. | |
| 19 | * | |
| 20 | * Revision 1.8 2003/04/09 05:20:47 starvik | |
| 21 | * Merge of Linux 2.5.67 | |
| 22 | * | |
| 23 | * Revision 1.7 2002/11/27 08:42:34 starvik | |
| 24 | * Argument to user_regs() is thread_info* | |
| 25 | * | |
| 26 | * Revision 1.6 2002/11/20 11:56:11 starvik | |
| 27 | * Merge of Linux 2.5.48 | |
| 28 | * | |
| 29 | * Revision 1.5 2002/11/18 07:41:19 starvik | |
| 30 | * Removed warning | |
| 31 | * | |
| 32 | * Revision 1.4 2002/11/11 12:47:28 starvik | |
| 33 | * SYSCALL_TRACE has been moved to thread flags | |
| 34 | * | |
| 35 | * Revision 1.3 2002/02/05 15:37:18 bjornw | |
| 36 | * * Add do_notify_resume (replaces do_signal in the callchain) | |
| 37 | * * syscall_trace is now do_syscall_trace | |
| 38 | * * current->ptrace flag PT_TRACESYS -> PT_SYSCALLTRACE | |
| 39 | * * Keep track of the current->work.syscall_trace counter | |
| 40 | * | |
| 41 | * Revision 1.2 2001/12/18 13:35:20 bjornw | |
| 42 | * Applied the 2.4.13->2.4.16 CRIS patch to 2.5.1 (is a copy of 2.4.15). | |
| 43 | * | |
| 44 | * Revision 1.8 2001/11/12 18:26:21 pkj | |
| 45 | * Fixed compiler warnings. | |
| 46 | * | |
| 47 | * Revision 1.7 2001/09/26 11:53:49 bjornw | |
| 48 | * PTRACE_DETACH works more simple in 2.4.10 | |
| 49 | * | |
| 50 | * Revision 1.6 2001/07/25 16:08:47 bjornw | |
| 51 | * PTRACE_ATTACH bulk moved into arch-independent code in 2.4.7 | |
| 52 | * | |
| 53 | * Revision 1.5 2001/03/26 14:24:28 orjanf | |
| 54 | * * Changed loop condition. | |
| 55 | * * Added comment documenting non-standard ptrace behaviour. | |
| 56 | * | |
| 57 | * Revision 1.4 2001/03/20 19:44:41 bjornw | |
| 58 | * Use the user_regs macro instead of thread.esp0 | |
| 59 | * | |
| 60 | * Revision 1.3 2000/12/18 23:45:25 bjornw | |
| 61 | * Linux/CRIS first version | |
| 62 | * | |
| 63 | * | |
| 64 | */ | |
| 65 | ||
| 66 | #include <linux/kernel.h> | |
| 67 | #include <linux/sched.h> | |
| 68 | #include <linux/mm.h> | |
| 69 | #include <linux/smp.h> | |
| 70 | #include <linux/smp_lock.h> | |
| 71 | #include <linux/errno.h> | |
| 72 | #include <linux/ptrace.h> | |
| 73 | #include <linux/user.h> | |
| 74 | ||
| 75 | #include <asm/uaccess.h> | |
| 76 | #include <asm/page.h> | |
| 77 | #include <asm/pgtable.h> | |
| 78 | #include <asm/system.h> | |
| 79 | #include <asm/processor.h> | |
| 80 | ||
| 1da177e4 LT |
81 | |
| 82 | /* notification of userspace execution resumption | |
| 83 | * - triggered by current->work.notify_resume | |
| 84 | */ | |
| 85 | extern int do_signal(int canrestart, sigset_t *oldset, struct pt_regs *regs); | |
| 86 | ||
| 87 | ||
| 88 | void do_notify_resume(int canrestart, sigset_t *oldset, struct pt_regs *regs, | |
| 89 | __u32 thread_info_flags ) | |
| 90 | { | |
| 91 | /* deal with pending signal delivery */ | |
| 92 | if (thread_info_flags & _TIF_SIGPENDING) | |
| 93 | do_signal(canrestart,oldset,regs); | |
| 94 | } |