summaryrefslogtreecommitdiff
path: root/sysdeps/generic/ptrace.c
diff options
context:
space:
mode:
Diffstat (limited to 'sysdeps/generic/ptrace.c')
-rw-r--r--sysdeps/generic/ptrace.c103
1 files changed, 103 insertions, 0 deletions
diff --git a/sysdeps/generic/ptrace.c b/sysdeps/generic/ptrace.c
new file mode 100644
index 0000000000..1825d57143
--- /dev/null
+++ b/sysdeps/generic/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>