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Diffstat (limited to 'arch/h8300/kernel/ptrace.c')
-rw-r--r--arch/h8300/kernel/ptrace.c52
1 files changed, 6 insertions, 46 deletions
diff --git a/arch/h8300/kernel/ptrace.c b/arch/h8300/kernel/ptrace.c
index 04bb9dd194ec..df114122ebdf 100644
--- a/arch/h8300/kernel/ptrace.c
+++ b/arch/h8300/kernel/ptrace.c
@@ -34,8 +34,11 @@
34/* cpu depend functions */ 34/* cpu depend functions */
35extern long h8300_get_reg(struct task_struct *task, int regno); 35extern long h8300_get_reg(struct task_struct *task, int regno);
36extern int h8300_put_reg(struct task_struct *task, int regno, unsigned long data); 36extern int h8300_put_reg(struct task_struct *task, int regno, unsigned long data);
37extern void h8300_disable_trace(struct task_struct *child); 37
38extern void h8300_enable_trace(struct task_struct *child); 38
39void user_disable_single_step(struct task_struct *child)
40{
41}
39 42
40/* 43/*
41 * does not yet catch signals sent when the child dies. 44 * does not yet catch signals sent when the child dies.
@@ -44,7 +47,7 @@ extern void h8300_enable_trace(struct task_struct *child);
44 47
45void ptrace_disable(struct task_struct *child) 48void ptrace_disable(struct task_struct *child)
46{ 49{
47 h8300_disable_trace(child); 50 user_disable_single_step(child);
48} 51}
49 52
50long arch_ptrace(struct task_struct *child, long request, long addr, long data) 53long arch_ptrace(struct task_struct *child, long request, long addr, long data)
@@ -107,49 +110,6 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
107 } 110 }
108 ret = -EIO; 111 ret = -EIO;
109 break ; 112 break ;
110 case PTRACE_SYSCALL: /* continue and stop at next (return from) syscall */
111 case PTRACE_CONT: { /* restart after signal. */
112 ret = -EIO;
113 if (!valid_signal(data))
114 break ;
115 if (request == PTRACE_SYSCALL)
116 set_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
117 else
118 clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
119 child->exit_code = data;
120 wake_up_process(child);
121 /* make sure the single step bit is not set. */
122 h8300_disable_trace(child);
123 ret = 0;
124 }
125
126/*
127 * make the child exit. Best I can do is send it a sigkill.
128 * perhaps it should be put in the status that it wants to
129 * exit.
130 */
131 case PTRACE_KILL: {
132
133 ret = 0;
134 if (child->exit_state == EXIT_ZOMBIE) /* already dead */
135 break;
136 child->exit_code = SIGKILL;
137 h8300_disable_trace(child);
138 wake_up_process(child);
139 break;
140 }
141
142 case PTRACE_SINGLESTEP: { /* set the trap flag. */
143 ret = -EIO;
144 if (!valid_signal(data))
145 break;
146 clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
147 child->exit_code = data;
148 h8300_enable_trace(child);
149 wake_up_process(child);
150 ret = 0;
151 break;
152 }
153 113
154 case PTRACE_GETREGS: { /* Get all gp regs from the child. */ 114 case PTRACE_GETREGS: { /* Get all gp regs from the child. */
155 int i; 115 int i;