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-rw-r--r--sysdeps/stub/ptrace.c108
1 files changed, 108 insertions, 0 deletions
diff --git a/sysdeps/stub/ptrace.c b/sysdeps/stub/ptrace.c
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+/* Copyright (C) 1991, 1992, 1993 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 Library General Public License as
+published by the Free Software Foundation; either version 2 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
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with the GNU C Library; see the file COPYING.LIB. If
+not, write to the Free Software Foundation, Inc., 675 Mass Ave,
+Cambridge, MA 02139, USA. */
+
+#include <ansidecl.h>
+#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
+DEFUN(ptrace, (request), enum __ptrace_request request DOTS)
+{
+ pid_t pid;
+ PTR addr;
+ PTR 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, PTR);
+ 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, PTR);
+ 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, PTR);
+ data = va_arg(ap, int);
+ addr2 = va_arg(ap, PTR);
+ va_end(ap);
+ break;
+
+ default:
+ errno = EINVAL;
+ return -1;
+ }
+
+ errno = ENOSYS;
+ return -1;
+}
+
+
+#ifdef HAVE_GNU_LD
+
+#include <gnu-stabs.h>
+
+stub_warning(ptrace);
+
+#endif /* GNU stabs. */