From 03261851a10dd2d6900a0a00a7515a0a46fb5d76 Mon Sep 17 00:00:00 2001 From: Ranjith Kumaran Date: Fri, 17 Mar 2000 22:48:54 +0000 Subject: 20000317 sourceware import --- libgloss/sparc/syscalls.c | 85 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 85 insertions(+) create mode 100644 libgloss/sparc/syscalls.c (limited to 'libgloss/sparc/syscalls.c') diff --git a/libgloss/sparc/syscalls.c b/libgloss/sparc/syscalls.c new file mode 100644 index 000000000..01ba50166 --- /dev/null +++ b/libgloss/sparc/syscalls.c @@ -0,0 +1,85 @@ +/* Copyright (c) 1995 Cygnus Support + * + * The authors hereby grant permission to use, copy, modify, distribute, + * and license this software and its documentation for any purpose, provided + * that existing copyright notices are retained in all copies and that this + * notice is included verbatim in any distributions. No written agreement, + * license, or royalty fee is required for any of the authorized uses. + * Modifications to this software may be copyrighted by their authors + * and need not follow the licensing terms described here, provided that + * the new terms are clearly indicated on the first page of each file where + * they apply. + * + * fake unix routines for sparclite and remote debugger + * Many of these routines just substitute an appropriate error status, + * if you want some kind of file system access, you'll have to fill them in... + * sbrk on the other hand is functional (malloc uses it) but it doesn't do + * any checking for lack of memory. + * kill and _exit could get more real implementations, as well. + */ + +#include + +int +fstat(int _fd, struct stat* _sbuf) +{ + /* this is used in a few places in stdio... */ + /* just error, so they assume a pipe */ + return -1; +} + +int +isatty(int _fd) +{ + return 1; +} + +int +close(int _fd) +{ + /* return value usually ignored anyhow */ + return 0; +} + +int +open(char *filename) +{ + /* always fail */ + return -1; +} + +int +getpid() { + return 1; +} + +int +kill(int pid) { + /* if we knew how to nuke the board, we would... */ + return 0; +} + +void +_exit(int status) { + /* likewise... */ + return; +} + +int +lseek(int _fd, off_t offset, int whence) +{ + /* nothing is ever seekable */ + return -1; +} + +extern char end; +char* +sbrk(int incr) +{ + static char* base; + char *b; + if(!base) base = &end; + b = base; + base += incr; + return b; +} -- cgit v1.2.3