diff options
Diffstat (limited to 'libc/syscalls.c')
| -rw-r--r-- | libc/syscalls.c | 195 |
1 files changed, 0 insertions, 195 deletions
diff --git a/libc/syscalls.c b/libc/syscalls.c deleted file mode 100644 index 9212763..0000000 --- a/libc/syscalls.c +++ /dev/null @@ -1,195 +0,0 @@ -/**************************************************************************** -* Copyright (c) 2009 by Michael Fischer. All rights reserved. -* -* Redistribution and use in source and binary forms, with or without -* modification, are permitted provided that the following conditions -* are met: -* -* 1. Redistributions of source code must retain the above copyright -* notice, this list of conditions and the following disclaimer. -* 2. Redistributions in binary form must reproduce the above copyright -* notice, this list of conditions and the following disclaimer in the -* documentation and/or other materials provided with the distribution. -* 3. Neither the name of the author nor the names of its contributors may -* be used to endorse or promote products derived from this software -* without specific prior written permission. -* -* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS -* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL -* THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, -* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, -* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS -* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED -* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, -* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF -* THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF -* SUCH DAMAGE. -* -**************************************************************************** -* History: -* -* 28.03.09 mifi First Version, based on the original syscall.c from -* newlib version 1.17.0 -****************************************************************************/ - -/* 2015-10-29 pselkirk for cryptech: - * Changed asm to __asm for c99 compatibility. - * Added _exit, _kill, and _getpid from mifi's 2013 revision. - */ - -#include <stdlib.h> -#include <errno.h> -#include <string.h> -#include <sys/stat.h> -#include <sys/types.h> - -/***************************************************************************/ - -int _read_r (struct _reent *r, int file, char * ptr, int len) -{ - r = r; - file = file; - ptr = ptr; - len = len; - - errno = EINVAL; - return -1; -} - -/***************************************************************************/ - -int _lseek_r (struct _reent *r, int file, int ptr, int dir) -{ - r = r; - file = file; - ptr = ptr; - dir = dir; - - return 0; -} - -/***************************************************************************/ - -int _write_r (struct _reent *r, int file, char * ptr, int len) -{ - r = r; - file = file; - ptr = ptr; - -#if 0 - int index; - - /* For example, output string by UART */ - for(index=0; index<len; index++) - { - if (ptr[index] == '\n') - { - uart_putc('\r'); - } - - uart_putc(ptr[index]); - } -#endif - - return len; -} - -/***************************************************************************/ - -int _close_r (struct _reent *r, int file) -{ - return 0; -} - -/***************************************************************************/ - -/* Register name faking - works in collusion with the linker. */ -register char * stack_ptr __asm ("sp"); - -caddr_t _sbrk_r (struct _reent *r, int incr) -{ - extern char end __asm ("end"); /* Defined by the linker. */ - static char * heap_end; - char * prev_heap_end; - - if (heap_end == NULL) - heap_end = & end; - - prev_heap_end = heap_end; - - if (heap_end + incr > stack_ptr) - { - /* Some of the libstdc++-v3 tests rely upon detecting - out of memory errors, so do not abort here. */ -#if 0 - extern void abort (void); - - _write (1, "_sbrk: Heap and stack collision\n", 32); - - abort (); -#else - errno = ENOMEM; - return (caddr_t) -1; -#endif - } - - heap_end += incr; - - return (caddr_t) prev_heap_end; -} - -/***************************************************************************/ - -int _fstat_r (struct _reent *r, int file, struct stat * st) -{ - r = r; - file = file; - - memset (st, 0, sizeof (* st)); - st->st_mode = S_IFCHR; - return 0; -} - -/***************************************************************************/ - -int _isatty_r(struct _reent *r, int fd) -{ - r = r; - fd = fd; - - return 1; -} - -/***************************************************************************/ - -void _exit (int a) -{ - a = a; - - while(1) {}; -} - -/***************************************************************************/ - -int _kill (int a, int b) -{ - a = a; - b = b; - - return 0; -} - -/***************************************************************************/ - -int _getpid(int a) -{ - a = a; - - return 0; -} - -/*** EOF ***/ - - |