diff options
author | Eric Andersen <andersen@codepoet.org> | 2001-05-16 21:48:24 +0000 |
---|---|---|
committer | Eric Andersen <andersen@codepoet.org> | 2001-05-16 21:48:24 +0000 |
commit | 858387985650a4b72bb5b5fe02e864f8e76a3731 (patch) | |
tree | 8817a027ee6d50a1052f182ab58c0c000363bfb9 /libc/sysdeps/linux/common | |
parent | f2eb46b4e6cf7ac023106a0d688d0e55b88cabaa (diff) |
Move the default ptrace.c to common, but let arches override it (such
as m68k which has some asm in its version).
-Erik
Diffstat (limited to 'libc/sysdeps/linux/common')
-rw-r--r-- | libc/sysdeps/linux/common/Makefile | 2 | ||||
-rw-r--r-- | libc/sysdeps/linux/common/ptrace.c | 51 |
2 files changed, 52 insertions, 1 deletions
diff --git a/libc/sysdeps/linux/common/Makefile b/libc/sysdeps/linux/common/Makefile index 1e1957227..1d4326b4c 100644 --- a/libc/sysdeps/linux/common/Makefile +++ b/libc/sysdeps/linux/common/Makefile @@ -26,7 +26,7 @@ include $(TOPDIR)Rules.mak CSRC= waitpid.c getdents.c kernel_version.c statfix.c getdnnm.c tell.c gethstnm.c \ mkfifo.c setegid.c wait.c errno.c getpagesize.c seteuid.c wait3.c setpgrp.c \ - getdtablesize.c create_module.c + getdtablesize.c create_module.c ptrace.c COBJS=$(patsubst %.c,%.o, $(CSRC)) MSRC=syscalls.c diff --git a/libc/sysdeps/linux/common/ptrace.c b/libc/sysdeps/linux/common/ptrace.c new file mode 100644 index 000000000..bc4debdac --- /dev/null +++ b/libc/sysdeps/linux/common/ptrace.c @@ -0,0 +1,51 @@ +/* Copyright (C) 1995, 1996, 1997, 1998 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., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#include <errno.h> +#include <sys/types.h> +#include <sys/ptrace.h> +#include <stdarg.h> + + +extern long int __ptrace (enum __ptrace_request, pid_t, void *, void *); + +long int +ptrace (enum __ptrace_request request, ...) +{ + long int res, ret; + va_list ap; + pid_t pid; + void *addr, *data; + + va_start (ap, request); + pid = va_arg (ap, pid_t); + addr = va_arg (ap, void *); + data = va_arg (ap, void *); + va_end (ap); + + if (request > 0 && request < 4) + data = &ret; + + res = __ptrace(request, pid, addr, data); + if (res >= 0 && request > 0 && request < 4) { + __set_errno(0); + return ret; + } + + return res; +} |