mirror of
git://sourceware.org/git/glibc.git
synced 2024-12-21 04:31:04 +08:00
109 lines
2.8 KiB
C
109 lines
2.8 KiB
C
/* Copyright (C) 1991-2024 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, see
|
|
<https://www.gnu.org/licenses/>. */
|
|
|
|
#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 (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);
|
|
ignore_value (pid);
|
|
ignore_value (addr);
|
|
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);
|
|
ignore_value (pid);
|
|
ignore_value (addr);
|
|
ignore_value (data);
|
|
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);
|
|
ignore_value (pid);
|
|
ignore_value (addr);
|
|
ignore_value (data);
|
|
ignore_value (addr2);
|
|
break;
|
|
|
|
default:
|
|
__set_errno (EINVAL);
|
|
return -1;
|
|
}
|
|
|
|
__set_errno (ENOSYS);
|
|
return -1;
|
|
}
|
|
|
|
stub_warning (ptrace)
|