54 lines
2.4 KiB
C
54 lines
2.4 KiB
C
/*
|
|
* Copyright (c) 2011 ARM Ltd
|
|
* 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. The name of the company may not be used to endorse or promote
|
|
* products derived from this software without specific prior written
|
|
* permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY ARM LTD ``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 ARM LTD 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.
|
|
*/
|
|
|
|
#ifndef _LIBGLOSS_ARM_H
|
|
#define _LIBGLOSS_ARM_H
|
|
|
|
/* __thumb2__ stands for thumb on armva7(A/R/M/EM) architectures,
|
|
__ARM_ARCH_6M__ stands for armv6-M(thumb only) architecture,
|
|
__ARM_ARCH_7M__ stands for armv7-M(thumb only) architecture.
|
|
__ARM_ARCH_7EM__ stands for armv7e-M(thumb only) architecture.
|
|
There are some macro combinations used many times in libgloss/arm,
|
|
like (__thumb2__ || (__thumb__ && __ARM_ARCH_6M__)), so factor
|
|
it out and use THUMB_V7_V6M instead, which stands for thumb on
|
|
v6-m/v7 arch as the combination does. */
|
|
#if defined(__thumb2__) || (defined(__thumb__) && defined(__ARM_ARCH_6M__))
|
|
# define THUMB_V7_V6M
|
|
#endif
|
|
|
|
/* The (__ARM_ARCH_7EM__ || __ARM_ARCH_7M__ || __ARM_ARCH_6M__) combination
|
|
stands for cortex-M profile architectures, which don't support ARM state.
|
|
Factor it out and use THUMB_V7M_V6M instead. */
|
|
#if defined(__ARM_ARCH_7M__) \
|
|
|| defined(__ARM_ARCH_7EM__) \
|
|
|| defined(__ARM_ARCH_6M__)
|
|
# define THUMB_V7M_V6M
|
|
#endif
|
|
|
|
#endif /* _LIBGLOSS_ARM_H */
|