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ARC: toolchain: handle difference in macros for MWDT and ARC GNU

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Create include/toolchain/mwdt.h to handle difference in
several macros for MWDT and ARC GNU toolchains.

Signed-off-by: Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com>
This commit is contained in:
Eugeniy Paltsev 2020-09-02 20:18:22 +03:00 • committed by Maureen Helm
commit 2167ffbe45
2 changed files with 81 additions and 0 deletions
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2
include/toolchain.h
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@ -35,6 +35,8 @@
#if defined(__XCC__) #if defined(__XCC__)
#include <toolchain/xcc.h> #include <toolchain/xcc.h>
#elif defined(__CCAC__)
#include <toolchain/mwdt.h>
#elif defined(__GNUC__) || (defined(_LINKER) && defined(__GCC_LINKER_CMD__)) #elif defined(__GNUC__) || (defined(_LINKER) && defined(__GCC_LINKER_CMD__))
#include <toolchain/gcc.h> #include <toolchain/gcc.h>
#else #else

79
include/toolchain/mwdt.h Normal file
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@ -0,0 +1,79 @@
/*
* Copyright (c) 2020 Synopsys.
* Author: Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com>
*
* SPDX-License-Identifier: Apache-2.0
*/
#ifndef ZEPHYR_INCLUDE_TOOLCHAIN_MWDT_H_
#define ZEPHYR_INCLUDE_TOOLCHAIN_MWDT_H_
#ifndef _LINKER
#if defined(_ASMLANGUAGE)
#include <toolchain/common.h>
#define FUNC_CODE()
#define FUNC_INSTR(a)
.macro section_var_mwdt, section, symbol
.section .\&section\&.\&symbol, "aw"
symbol :
.endm
.macro section_func_mwdt, section, symbol
.section .\&section\&.\&symbol, "ax"
FUNC_CODE()
PERFOPT_ALIGN
symbol :
FUNC_INSTR(symbol)
.endm
.macro section_subsec_func_mwdt, section, subsection, symbol
.section .\&section\&.\&subsection, "ax"
PERFOPT_ALIGN
symbol :
.endm
#define SECTION_VAR(sect, sym) section_var_mwdt sect, sym
#define SECTION_FUNC(sect, sym) section_func_mwdt sect, sym
#define SECTION_SUBSEC_FUNC(sect, subsec, sym) \
section_subsec_func_mwdt sect, subsec, sym
.macro glbl_text_mwdt, symbol
.globl symbol
.type symbol, @function
.endm
.macro glbl_data_mwdt, symbol
.globl symbol
.type symbol, @object
.endm
.macro weak_data_mwdt, symbol
.weak symbol
.type symbol, @object
.endm
#define GTEXT(sym) glbl_text_mwdt sym
#define GDATA(sym) glbl_data_mwdt sym
#define WDATA(sym) weak_data_mwdt sym
#else /* defined(_ASMLANGUAGE) */
#include <toolchain/gcc.h>
/* Metaware toolchain has _Static_assert. However it not able to calculate
* conditional expression in build time for some realy complex cases. ARC GNU
* toolchain works fine in this cases, so it looks like MWDT bug. So, disable
* BUILD_ASSERT macro until we fix that issue in MWDT toolchain.
*/
#undef BUILD_ASSERT
#define BUILD_ASSERT(EXPR, MSG...)
#define __builtin_arc_nop() _nop()
#endif /* _ASMLANGUAGE */
#endif /* !_LINKER */
#endif /* ZEPHYR_INCLUDE_TOOLCHAIN_MWDT_H_ */