mirror of
git://sourceware.org/git/newlib-cygwin.git
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69f4c40291
libgloss:
* arm/Makefile.in: Add newlib/libc/machine/arm to the include path if
newlib is present.
* arm/arm.h: Include acle-compat.h.
(THUMB_V7_V6M): Rename to ...
(PREFER_THUMB): This. Use ACLE macros __ARM_ARCH_ISA_ARM instead of
__ARM_ARCH_6M__ to decide whether to define it.
(THUMB1_ONLY): Define for Thumb-1 only targets.
(THUMB_V7M_V6M): Rename to ...
(THUMB_VXM): This. Defined based on __ARM_ARCH_ISA_ARM, excluding
ARMv7.
* arm/crt0.S: Use THUMB1_ONLY rather than __ARM_ARCH_6M__,
!__ARM_ARCH_ISA_ARM rather than THUMB_V7M_V6M for fp enabling, and
PREFER_THUMB rather than THUMB_V7_V6M. Rename other occurences of
THUMB_V7M_V6M to THUMB_VXM.
* arm/linux-crt0.c: Likewise.
* arm/redboot-crt0.S: Likewise.
* arm/swi.h: Likewise.
* arm/trap.S: Likewise.
newlib:
* libc/machine/arm/memcpy-stub.c: Use ACLE macros __ARM_ARCH_ISA_THUMB
and __ARM_ARCH_ISA_ARM to check for Thumb-2 only targets rather than
__ARM_ARCH and __ARM_ARCH_PROFILE.
* libc/machine/arm/memcpy.S: Likewise.
* libc/machine/arm/setjmp.S: Likewise for Thumb-1 only target and
include acle-compat.h.
* libc/machine/arm/strcmp.S: Likewise for Thumb-1 and Thumb-2 only
target and include acle-compat.h.
* libc/sys/arm/arm.h: Include acle-compat.h.
(THUMB_V7_V6M): Rename to ...
(PREFER_THUMB): This. Use ACLE macro __ARM_ARCH_ISA_ARM instead of
__ARM_ARCH_6M__ to decide whether to define it.
(THUMB1_ONLY): Define for Thumb-1 only targets.
(THUMB_V7M_V6M): Rename to ...
(THUMB_VXM): This. Defined based on __ARM_ARCH_ISA_ARM, excluding
ARMv7.
* libc/sys/arm/crt0.S: Use PREFER_THUMB rather than THUMB_V7_V6M and
rename THUMB_V7M_V6M into THUMB_VXM.
* libc/sys/arm/swi.h: Likewise.
99 lines
2.8 KiB
ArmAsm
99 lines
2.8 KiB
ArmAsm
/*
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* Copyright (c) 2012-2014 ARM Ltd
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the company may not be used to endorse or promote
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* products derived from this software without specific prior written
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* permission.
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*
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* THIS SOFTWARE IS PROVIDED BY ARM LTD ``AS IS'' AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL ARM LTD BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
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* TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/* Wrapper for the various implementations of strcmp. */
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#include "arm_asm.h"
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#include "acle-compat.h"
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#ifdef __ARM_BIG_ENDIAN
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#define S2LO lsl
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#define S2LOEQ lsleq
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#define S2HI lsr
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#define MSB 0x000000ff
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#define LSB 0xff000000
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#define BYTE0_OFFSET 24
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#define BYTE1_OFFSET 16
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#define BYTE2_OFFSET 8
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#define BYTE3_OFFSET 0
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#else /* not __ARM_BIG_ENDIAN */
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#define S2LO lsr
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#define S2LOEQ lsreq
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#define S2HI lsl
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#define BYTE0_OFFSET 0
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#define BYTE1_OFFSET 8
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#define BYTE2_OFFSET 16
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#define BYTE3_OFFSET 24
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#define MSB 0xff000000
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#define LSB 0x000000ff
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#endif /* not __ARM_BIG_ENDIAN */
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.macro def_fn f p2align=0
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.text
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.p2align \p2align
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.global \f
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.type \f, %function
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\f:
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.endm
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#if defined (__OPTIMIZE_SIZE__) || defined (PREFER_SIZE_OVER_SPEED) \
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|| (__ARM_ARCH_ISA_THUMB == 1 && !__ARM_ARCH_ISA_ARM)
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# if defined (__thumb__) && !defined (__thumb2__)
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/* Thumb1 only variant. If size is preferred, use strcmp-armv4t.S.
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If speed is preferred, the strcmp function in strcmp-armv6m.S
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will be used. */
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# if defined (__OPTIMIZE_SIZE__) || defined (PREFER_SIZE_OVER_SPEED)
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# include "strcmp-armv4t.S"
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# else
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# include "strcmp-armv6m.S"
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# endif
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# else
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# include "strcmp-arm-tiny.S"
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# endif
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#elif __ARM_ARCH_ISA_THUMB == 2
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# ifdef __ARM_FEATURE_SIMD32
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# include "strcmp-armv7.S"
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# else
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# include "strcmp-armv7m.S"
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# endif
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#elif __ARM_ARCH >= 6
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# include "strcmp-armv6.S"
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#else
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# include "strcmp-armv4.S"
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#endif
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