From 8ae0b98903893e68a52baa9a2e3df574f0d7a39e Mon Sep 17 00:00:00 2001 From: Jeff Johnston Date: Thu, 2 Dec 2010 19:35:47 +0000 Subject: 2010-12-02 Jayant Sonar jayant.sonar@kpitcummins.com Kaushik Phatak kaushik.phatak@kpitcummins.com * configure.in: Add CR16 support. * configure: Regenerated. * cr16/aclocal.m4: New. * cr16/close.c: New. * cr16/configure: New. * cr16/configure.in: New. * cr16/crt1.S: New. * cr16/crti.S: New. * cr16/crtn.S: New. * cr16/dvz_hndl.c: New. * cr16/_exit.c: New. * cr16/flg_hndl.c: New. * cr16/fstat.c: New. * cr16/_getenv.c: New. * cr16/getpid.c: New. * cr16/iad_hndl.c: New. * cr16/intable.c: New. * cr16/isatty.c: New. * cr16/kill.c: New. * cr16/lseek.c: New. * cr16/Makefile.in: New. * cr16/open.c: New. * cr16/putnum.c: New. * cr16/read.c: New. * cr16/_rename.c: New. * cr16/sbrk.c: New. * cr16/sim.ld: New. * cr16/stat.c: New. * cr16/svc_hndl.c: New. * cr16/time.c: New. * cr16/und_hndl.c: New. * cr16/unlink.c: New. * cr16/write.c: New. --- libgloss/cr16/_getenv.c | 36 ++++++++++++++++++++++++++++++++++++ 1 file changed, 36 insertions(+) create mode 100644 libgloss/cr16/_getenv.c (limited to 'libgloss/cr16/_getenv.c') diff --git a/libgloss/cr16/_getenv.c b/libgloss/cr16/_getenv.c new file mode 100644 index 000000000..c43555dfa --- /dev/null +++ b/libgloss/cr16/_getenv.c @@ -0,0 +1,36 @@ +/* _getenv.c -- Implementation of the low-level _getenv() routine + * + * Copyright (c) 2004 National Semiconductor Corporation + * + * 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. + */ + +#include +#include + +register char *R2 __asm__("r2"); +register char *R3 __asm__("r3"); + +char * _getenv (const char *name) +{ + char *x; + char *y; + + x = R2; + + y = (char *) calloc (256, 1); + R3 = y; + + R2 = x; + + HOST_SERVICE (SVC_GETENV); +} + -- cgit v1.2.3