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MIPS: ptrace: Use tracehook helpers. 

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
hifive-unleashed-5.1
Ralf Baechle 2012-07-17 19:43:58 +02:00
parent 46e12c07b3
commit bc3d22c13e
1 changed files with 5 additions and 41 deletions
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46
arch/mips/kernel/ptrace.c
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@ -24,6 +24,7 @@
#include <linux/smp.h>
#include <linux/user.h>
#include <linux/security.h>
#include <linux/tracehook.h>
#include <linux/audit.h>
#include <linux/seccomp.h>
@ -540,28 +541,9 @@ asmlinkage void syscall_trace_enter(struct pt_regs *regs)
/* do the secure computing check first */
secure_computing_strict(regs->regs[2]);
if (!(current->ptrace & PT_PTRACED))
goto out;
if (test_thread_flag(TIF_SYSCALL_TRACE))
ptrace_report_syscall(regs);
if (!test_thread_flag(TIF_SYSCALL_TRACE))
goto out;
/* The 0x80 provides a way for the tracing parent to distinguish
between a syscall stop and SIGTRAP delivery */
ptrace_notify(SIGTRAP | ((current->ptrace & PT_TRACESYSGOOD) ?
0x80 : 0));
/*
* this isn't the same as continuing with a signal, but it will do
* for normal use. strace only continues with a signal if the
* stopping signal is not SIGTRAP. -brl
*/
if (current->exit_code) {
send_sig(current->exit_code, current, 1);
current->exit_code = 0;
}
out:
audit_syscall_entry(audit_arch(), regs->regs[2],
regs->regs[4], regs->regs[5],
regs->regs[6], regs->regs[7]);
@ -582,26 +564,8 @@ asmlinkage void syscall_trace_leave(struct pt_regs *regs)
audit_syscall_exit(regs);
if (!(current->ptrace & PT_PTRACED))
return;
if (!test_thread_flag(TIF_SYSCALL_TRACE))
return;
/* The 0x80 provides a way for the tracing parent to distinguish
between a syscall stop and SIGTRAP delivery */
ptrace_notify(SIGTRAP | ((current->ptrace & PT_TRACESYSGOOD) ?
0x80 : 0));
/*
* this isn't the same as continuing with a signal, but it will do
* for normal use. strace only continues with a signal if the
* stopping signal is not SIGTRAP. -brl
*/
if (current->exit_code) {
send_sig(current->exit_code, current, 1);
current->exit_code = 0;
}
if (test_thread_flag(TIF_SYSCALL_TRACE))
tracehook_report_syscall_exit(regs, 0);
user_enter();
}