109 lines
2.8 KiB
C
109 lines
2.8 KiB
C
/* Copyright (C) 1991-2017 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 Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the 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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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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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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ptrace (enum __ptrace_request request, ...)
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{
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pid_t pid;
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void *addr;
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void *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, void *);
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va_end (ap);
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ignore_value (pid);
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ignore_value (addr);
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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, void *);
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data = va_arg (ap, int);
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va_end (ap);
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ignore_value (pid);
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ignore_value (addr);
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ignore_value (data);
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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, void *);
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data = va_arg (ap, int);
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addr2 = va_arg (ap, void *);
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va_end (ap);
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ignore_value (pid);
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ignore_value (addr);
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ignore_value (data);
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ignore_value (addr2);
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break;
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default:
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__set_errno (EINVAL);
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return -1;
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}
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__set_errno (ENOSYS);
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return -1;
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}
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stub_warning (ptrace)
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