109 lines
2.7 KiB
C
109 lines
2.7 KiB
C
/* Copyright (C) 1991, 1992, 1993 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If
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not, write to the Free Software Foundation, Inc., 675 Mass Ave,
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Cambridge, MA 02139, USA. */
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#include <ansidecl.h>
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#include <errno.h>
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#include <sys/ptrace.h>
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#include <sys/types.h>
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#include <stdarg.h>
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/* Perform process tracing functions. REQUEST is one of the values
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in <sys/ptrace.h>, and determines the action to be taken.
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For all requests except PTRACE_TRACEME, PID specifies the process to be
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traced.
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PID and the other arguments described above for the various requests should
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appear (those that are used for the particular request) as:
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pid_t PID, void *ADDR, int DATA, void *ADDR2
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after PID. */
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int
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DEFUN(ptrace, (request), enum __ptrace_request request DOTS)
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{
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pid_t pid;
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PTR addr;
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PTR addr2;
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int data;
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va_list ap;
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switch (request)
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{
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case PTRACE_TRACEME:
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case PTRACE_CONT:
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case PTRACE_KILL:
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case PTRACE_SINGLESTEP:
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case PTRACE_ATTACH:
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case PTRACE_DETACH:
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break;
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case PTRACE_PEEKTEXT:
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case PTRACE_PEEKDATA:
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case PTRACE_PEEKUSER:
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case PTRACE_GETREGS:
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case PTRACE_SETREGS:
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#ifdef PTRACE_GETFPREGS
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case PTRACE_GETFPGEGS:
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#endif
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case PTRACE_SETFPREGS:
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case PTRACE_GETFPAREGS:
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case PTRACE_SETFPAREGS:
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va_start(ap, request);
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pid = va_arg(ap, pid_t);
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addr = va_arg(ap, PTR);
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va_end(ap);
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break;
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case PTRACE_POKETEXT:
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case PTRACE_POKEDATA:
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case PTRACE_POKEUSER:
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va_start(ap, request);
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pid = va_arg(ap, pid_t);
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addr = va_arg(ap, PTR);
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data = va_arg(ap, int);
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va_end(ap);
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break;
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case PTRACE_READDATA:
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case PTRACE_WRITEDATA:
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case PTRACE_READTEXT:
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case PTRACE_WRITETEXT:
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va_start(ap, request);
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pid = va_arg(ap, pid_t);
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addr = va_arg(ap, PTR);
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data = va_arg(ap, int);
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addr2 = va_arg(ap, PTR);
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va_end(ap);
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break;
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default:
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errno = EINVAL;
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return -1;
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}
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errno = ENOSYS;
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return -1;
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}
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#ifdef HAVE_GNU_LD
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#include <gnu-stabs.h>
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stub_warning(ptrace);
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#endif /* GNU stabs. */
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