diff options
Diffstat (limited to 'arch/h8300/kernel/ptrace.c')
-rw-r--r-- | arch/h8300/kernel/ptrace.c | 82 |
1 files changed, 7 insertions, 75 deletions
diff --git a/arch/h8300/kernel/ptrace.c b/arch/h8300/kernel/ptrace.c index d32bbf0..df11412 100644 --- a/arch/h8300/kernel/ptrace.c +++ b/arch/h8300/kernel/ptrace.c @@ -34,25 +34,20 @@ /* cpu depend functions */ extern long h8300_get_reg(struct task_struct *task, int regno); extern int h8300_put_reg(struct task_struct *task, int regno, unsigned long data); -extern void h8300_disable_trace(struct task_struct *child); -extern void h8300_enable_trace(struct task_struct *child); + + +void user_disable_single_step(struct task_struct *child) +{ +} /* * does not yet catch signals sent when the child dies. * in exit.c or in signal.c. */ -inline -static int read_long(struct task_struct * tsk, unsigned long addr, - unsigned long * result) -{ - *result = *(unsigned long *)addr; - return 0; -} - void ptrace_disable(struct task_struct *child) { - h8300_disable_trace(child); + user_disable_single_step(child); } long arch_ptrace(struct task_struct *child, long request, long addr, long data) @@ -60,17 +55,6 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) int ret; switch (request) { - case PTRACE_PEEKTEXT: /* read word at location addr. */ - case PTRACE_PEEKDATA: { - unsigned long tmp; - - ret = read_long(child, addr, &tmp); - if (ret < 0) - break ; - ret = put_user(tmp, (unsigned long *) data); - break ; - } - /* read the word at location addr in the USER area. */ case PTRACE_PEEKUSR: { unsigned long tmp = 0; @@ -109,11 +93,6 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) } /* when I and D space are separate, this will have to be fixed. */ - case PTRACE_POKETEXT: /* write the word at location addr. */ - case PTRACE_POKEDATA: - ret = generic_ptrace_pokedata(child, addr, data); - break; - case PTRACE_POKEUSR: /* write the word at location addr in the USER area */ if ((addr & 3) || addr < 0 || addr >= sizeof(struct user)) { ret = -EIO; @@ -131,53 +110,6 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) } ret = -EIO; break ; - case PTRACE_SYSCALL: /* continue and stop at next (return from) syscall */ - case PTRACE_CONT: { /* restart after signal. */ - ret = -EIO; - if (!valid_signal(data)) - break ; - if (request == PTRACE_SYSCALL) - set_tsk_thread_flag(child, TIF_SYSCALL_TRACE); - else - clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE); - child->exit_code = data; - wake_up_process(child); - /* make sure the single step bit is not set. */ - h8300_disable_trace(child); - ret = 0; - } - -/* - * make the child exit. Best I can do is send it a sigkill. - * perhaps it should be put in the status that it wants to - * exit. - */ - case PTRACE_KILL: { - - ret = 0; - if (child->exit_state == EXIT_ZOMBIE) /* already dead */ - break; - child->exit_code = SIGKILL; - h8300_disable_trace(child); - wake_up_process(child); - break; - } - - case PTRACE_SINGLESTEP: { /* set the trap flag. */ - ret = -EIO; - if (!valid_signal(data)) - break; - clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE); - child->exit_code = data; - h8300_enable_trace(child); - wake_up_process(child); - ret = 0; - break; - } - - case PTRACE_DETACH: /* detach a process that was attached. */ - ret = ptrace_detach(child, data); - break; case PTRACE_GETREGS: { /* Get all gp regs from the child. */ int i; @@ -210,7 +142,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) } default: - ret = -EIO; + ret = ptrace_request(child, request, addr, data); break; } return ret; |