[patch] linux ptrace updates

[Mike Frysinger <vapier at gentoo dot org>]

simple patch to add support for linux ptrace options:
 - PTRACE_SETOPTIONS
 - PTRACE_GETEVENTMSG
 - PTRACE_GETSIGINFO
 - PTRACE_SETSIGINFO
-mike

Attachment: pgp00000.pgp
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2006-09-17  Mike Frysinger  <vapier@gentoo.org>

	* sysdeps/unix/sysv/linux/sys/ptrace.h [PTRACE_SETOPTIONS,
	PTRACE_GETEVENTMSG, PTRACE_GETSIGINFO, PTRACE_SETSIGINFO]: Define.
	* sysdeps/unix/sysv/linux/ptrace.c [PTRACE_SETOPTIONS,
	PTRACE_GETEVENTMSG, PTRACE_GETSIGINFO, PTRACE_SETSIGINFO]: Check.

--- libc/sysdeps/unix/sysv/linux/ptrace.c
+++ libc/sysdeps/unix/sysv/linux/ptrace.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1995,1996,1997,1998,2000,2003 Free Software Foundation, Inc.
+/* Copyright (C) 1995-1998,2000,2003,2006 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -21,6 +21,7 @@
 #include <sys/ptrace.h>
 #include <sys/user.h>
 #include <stdarg.h>
+#include <signal.h>
 
 #include <sysdep.h>
 #include <sys/syscall.h>
@@ -89,6 +90,19 @@ ptrace (enum __ptrace_request request, .
 #endif
       break;
 
+    case PTRACE_GETSIGINFO:
+    case PTRACE_SETSIGINFO:
+      (void) CHECK_1 ((siginfo_t *) data);
+      break;
+
+    case PTRACE_GETEVENTMSG:
+      (void) CHECK_1 ((unsigned long *) data);
+      break;
+
+    case PTRACE_SETOPTIONS:
+      (void) CHECK_1 ((long *) data);
+      break;
+
     case PTRACE_TRACEME:
     case PTRACE_CONT:
     case PTRACE_KILL:
--- libc/sysdeps/unix/sysv/linux/sys/ptrace.h
+++ libc/sysdeps/unix/sysv/linux/sys/ptrace.h
@@ -1,5 +1,5 @@
 /* `ptrace' debugger support interface.  Linux version.
-   Copyright (C) 1996, 1997, 1998, 1999, 2000 Free Software Foundation, Inc.
+   Copyright (C) 1996-1999,2000,2006 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -109,8 +109,24 @@ enum __ptrace_request
 #define PT_SETFPXREGS PTRACE_SETFPXREGS
 
   /* Continue and stop at the next (return from) syscall.  */
-  PTRACE_SYSCALL = 24
+  PTRACE_SYSCALL = 24,
 #define PT_SYSCALL PTRACE_SYSCALL
+
+  /* Set ptrace filter options.  */
+  PTRACE_SETOPTIONS = 0x4200,
+#define PT_SETOPTIONS PTRACE_SETOPTIONS
+
+  /* Get last ptrace message.  */
+  PTRACE_GETEVENTMSG = 0x4201,
+#define PT_GETEVENTMSG PT_SETOPTIONS
+
+  /* Get siginfo for process.  */
+  PTRACE_GETSIGINFO = 0x4202,
+#define PT_GETSIGINFO PTRACE_GETSIGINFO
+
+  /* Set new siginfo for process.  */
+  PTRACE_SETSIGINFO = 0x4203
+#define PT_SETSIGINFO PTRACE_SETSIGINFO
 };
 
 /* Perform process tracing functions.  REQUEST is one of the values