From 28f540f45bbacd939bfd07f213bcad2bf730b1bf Mon Sep 17 00:00:00 2001 From: Roland McGrath Date: Sat, 18 Feb 1995 01:27:10 +0000 Subject: initial import --- sysdeps/stub/ptrace.c | 108 ++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 108 insertions(+) create mode 100644 sysdeps/stub/ptrace.c (limited to 'sysdeps/stub/ptrace.c') diff --git a/sysdeps/stub/ptrace.c b/sysdeps/stub/ptrace.c new file mode 100644 index 0000000000..6bd5917f39 --- /dev/null +++ b/sysdeps/stub/ptrace.c @@ -0,0 +1,108 @@ +/* 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 +#include +#include +#include +#include + +/* Perform process tracing functions. REQUEST is one of the values + in , 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 + +stub_warning(ptrace); + +#endif /* GNU stabs. */ -- cgit 1.4.1