1 files changed, 103 insertions, 0 deletions
diff --git a/misc/ptrace.c b/misc/ptrace.c
new file mode 100644
index 0000000000..1825d57143
--- /dev/null
+++ b/misc/ptrace.c
@@ -0,0 +1,103 @@
+/* Copyright (C) 1991, 92, 93, 95, 96, 97 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
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#include <errno.h>
+#include <sys/ptrace.h>
+#include <sys/types.h>
+#include <stdarg.h>
+
+/* Perform process tracing functions.  REQUEST is one of the values
+   in <sys/ptrace.h>, and determines the action to be taken.
+   For all requests except PTRACE_TRACEME, PID specifies the process to be
+   traced.
+
+   PID and the other arguments described above for the various requests should
+   appear (those that are used for the particular request) as:
+     pid_t PID, void *ADDR, int DATA, void *ADDR2
+   after PID.  */
+int
+ptrace (request)
+     enum __ptrace_request request;
+{
+  pid_t pid;
+  void *addr;
+  void *addr2;
+  int data;
+  va_list ap;
+
+  switch (request)
+    {
+    case PTRACE_TRACEME:
+    case PTRACE_CONT:
+    case PTRACE_KILL:
+    case PTRACE_SINGLESTEP:
+    case PTRACE_ATTACH:
+    case PTRACE_DETACH:
+      break;
+
+    case PTRACE_PEEKTEXT:
+    case PTRACE_PEEKDATA:
+    case PTRACE_PEEKUSER:
+    case PTRACE_GETREGS:
+    case PTRACE_SETREGS:
+#ifdef PTRACE_GETFPREGS
+    case PTRACE_GETFPGEGS:
+#endif
+    case PTRACE_SETFPREGS:
+    case PTRACE_GETFPAREGS:
+    case PTRACE_SETFPAREGS:
+      va_start(ap, request);
+      pid = va_arg(ap, pid_t);
+      addr = va_arg(ap, void *);
+      va_end(ap);
+      break;
+
+    case PTRACE_POKETEXT:
+    case PTRACE_POKEDATA:
+    case PTRACE_POKEUSER:
+      va_start(ap, request);
+      pid = va_arg(ap, pid_t);
+      addr = va_arg(ap, void *);
+      data = va_arg(ap, int);
+      va_end(ap);
+      break;
+
+    case PTRACE_READDATA:
+    case PTRACE_WRITEDATA:
+    case PTRACE_READTEXT:
+    case PTRACE_WRITETEXT:
+      va_start(ap, request);
+      pid = va_arg(ap, pid_t);
+      addr = va_arg(ap, void *);
+      data = va_arg(ap, int);
+      addr2 = va_arg(ap, void *);
+      va_end(ap);
+      break;
+
+    default:
+      __set_errno (EINVAL);
+      return -1;
+    }
+
+  __set_errno (ENOSYS);
+  return -1;
+}
+
+
+stub_warning (ptrace)
+#include <stub-tag.h>