]> git.karo-electronics.de Git - linux-beck.git/commitdiff
m68k: use tracehook_report_syscall_entry/exit for ColdFire MMU ptrace path
authorGreg Ungerer <gerg@uclinux.org>
Tue, 18 Oct 2011 05:41:26 +0000 (15:41 +1000)
committerGreg Ungerer <gerg@uclinux.org>
Fri, 30 Dec 2011 00:20:35 +0000 (10:20 +1000)
The existing ColdFire code (which is all non-mmu) for system call entry
and exit uses the more modern tracehook_report_syscall_entry()/exit()
into the ptrace code. Now that we are supporting ColdFire with MMU we
need the same hooks for these.

Signed-off-by: Greg Ungerer <gerg@uclinux.org>
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Matt Waddel <mwaddel@yahoo.com>
Acked-by: Kurt Mahan <kmahan@xmission.com>
arch/m68k/kernel/ptrace_mm.c

index 0b252683cefb21a3d057987833a22ce1ea8b17be..7bc999b7352966e0d00545f1c93966518e0047fd 100644 (file)
@@ -18,6 +18,7 @@
 #include <linux/ptrace.h>
 #include <linux/user.h>
 #include <linux/signal.h>
+#include <linux/tracehook.h>
 
 #include <asm/uaccess.h>
 #include <asm/page.h>
@@ -275,3 +276,20 @@ asmlinkage void syscall_trace(void)
                current->exit_code = 0;
        }
 }
+
+#ifdef CONFIG_COLDFIRE
+asmlinkage int syscall_trace_enter(void)
+{
+       int ret = 0;
+
+       if (test_thread_flag(TIF_SYSCALL_TRACE))
+               ret = tracehook_report_syscall_entry(task_pt_regs(current));
+       return ret;
+}
+
+asmlinkage void syscall_trace_leave(void)
+{
+       if (test_thread_flag(TIF_SYSCALL_TRACE))
+               tracehook_report_syscall_exit(task_pt_regs(current), 0);
+}
+#endif /* CONFIG_COLDFIRE */