52482219c8
Renaming "modlib" to "libelf" is more in line with the implementation content, which makes it easier for individual developers to understand the capabilities of this module. CONFIG_LIBC_MODLIB -> CONFIG_LIBC_ELF Signed-off-by: chao an <anchao.archer@bytedance.com>
142 lines
5.4 KiB
Text
142 lines
5.4 KiB
Text
############################################################################
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# arch/tricore/src/common/ToolchainTasking.defs
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#
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# SPDX-License-Identifier: Apache-2.0
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#
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# Licensed to the Apache Software Foundation (ASF) under one or more
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# contributor license agreements. See the NOTICE file distributed with
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# this work for additional information regarding copyright ownership. The
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# ASF licenses this file to you under the Apache License, Version 2.0 (the
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# "License"); you may not use this file except in compliance with the
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# License. You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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#
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############################################################################
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#
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# Supported toolchains
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#
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# Each toolchain definition should set:
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#
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# CROSSDEV The GNU toolchain triple (command prefix)
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# ARCHCPUFLAGS CPU-specific flags selecting the instruction set
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# FPU options, etc.
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# ARCHOPTIMIZATION The optimization level that results in
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# reliable code generation.
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#
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ifeq ($(CONFIG_DEBUG_CUSTOMOPT),y)
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ARCHOPTIMIZATION += $(CONFIG_DEBUG_OPTLEVEL)
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else ifeq ($(CONFIG_DEBUG_FULLOPT),y)
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ifeq ($(CONFIG_ARCH_TOOLCHAIN_CLANG),y)
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ARCHOPTIMIZATION += -Oz
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else
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ARCHOPTIMIZATION += -Os
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endif
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endif
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# Tasking toolchain
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CC = cctc
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CXX = cctc
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CPP = cctc $(ARCHOPTIMIZATION)
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LD = cctc
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STRIP = strip --strip-unneeded
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AR = artc -r
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NM = nm
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OBJCOPY = echo
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OBJDUMP = elfdump
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ARCHOPTIMIZATION += --lsl-core=vtc
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LDFLAGS += --lsl-core=vtc
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ARCHOPTIMIZATION += --iso=99
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ARCHOPTIMIZATION += --language=+gcc,+volatile,-strings,-kanji
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# pragma align <4> (default: 0)
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ARCHOPTIMIZATION += --align=4
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# Always use 32-bit integers for enumeration
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ARCHOPTIMIZATION += --integer-enumeration
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# tradeoff between speed (-t0) and size (-t4) (default: 4)
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ARCHOPTIMIZATION += --tradeoff=2
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# enable symbolic debug information
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ifeq ($(CONFIG_DEBUG_SYMBOLS),y)
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ARCHOPTIMIZATION += --debug-info=default
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ARCHOPTIMIZATION += --keep-temporary-files
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LDFLAGS += $(CONFIG_DEBUG_SYMBOLS_LEVEL)
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endif
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# merge source code with assembly output
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ARCHOPTIMIZATION += --source
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# generate alignment depending on assume_if hints
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ARCHOPTIMIZATION += --branch-target-align
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# Since nuttx uses too many of GNU extensions in the implementation of
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# FPU-related library functions, which is not supported in tasking,
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# so currently we cannot use FPU-related configurations to manage it.
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#
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# Just set fp-model to Double Precision:
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# --fp-model[=<flag>,...] floating-point model (default: cFlnrSTz)
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# 0 alias for --fp-model=CFLNRStZ (strict)
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# 1 alias for --fp-model=cFLNRSTZ (precise)
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# 2 alias for --fp-model=cFlnrSTz (fast-dp)
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# 3 alias for --fp-model=cflnrSTz (fast-sp)
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ARCHOPTIMIZATION += --fp-model=2
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LDFLAGS += --fp-model=2
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LDFLAGS += -lfp_fpu
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LDFLAGS += --hex-format=s -Wl-OtxYcL -Wl-mcrfiklsmnoduq
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LDFLAGS += -lrt
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# ctc W500: ["stdio/lib_libvsprintf.c" 884/29] expression without effect
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# ctc W507: ["mm_heap/mm_malloc.c" 238/64] variable "nodesize" is possibly uninitialized
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# ctc W508: ["misc/lib_impure.c" 1/1] empty source file
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# ctc W525: ["getopt.c" 678/3] discarded 'const' qualifier at assignment: conversion from char const * to char *
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# ctc W527: ["stdlib/lib_strtold.c" 565/23] constant of type "double" saturated
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# ctc W526: ["include/sys/epoll.h" 87/5] enumeration constant shall be representable as 'int'
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# ctc W529: ["wchar/lib_mbrtowc.c" 88/35] overflow in constant expression of type "unsigned long int"
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# ctc W544: ["wqueue/kwork_thread.c" 210/32] unreachable code
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# ctc W549: ["unistd/lib_getopt_common.c" 544/15] condition is always true
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# ctc W553: ["vfs/fs_fcntl.c" 231/7] no 'break' or comment before case label
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# ctc W557: ["common/tricore_main.c" 58/11] possible infinite loop
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# ctc W560: ["tmpfs/fs_tmpfs.c" 232/25] possible truncation at implicit conversion to type "unsigned short int"
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# ctc W562: ["mm_heap/mm_memalign.c" 70/20] unary minus applied to unsigned value
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# ctc W558: ["include/nuttx/power/regulator.h" 224/36] struct/union/enum definition in parameter declaration
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# ctc W587: ["stdlib/lib_strtold.c" 571/23] underflow on constant of type "double"
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# ctc W588: ["misc/lib_glob.c" 150/13] dead assignment to "i" eliminated
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# ctc W589: ["inode/fs_inodesearch.c" 72/8] pointer assumed to be nonzero - test removed
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TASKING_WARNINGS = 500,507,508,525,526,527,529,544,549,553,560,562,557,558,587,588,589
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ARCHOPTIMIZATION += --pass-c=--no-warnings=$(TASKING_WARNINGS)
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# Loadable module definitions
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CMODULEFLAGS = $(CFLAGS) -fvisibility=hidden
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LDMODULEFLAGS = -r -T $(call CONVERT_PATH,$(TOPDIR)/libs/libc/elf/gnu-elf.ld)
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# ELF module definitions
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CELFFLAGS = $(CFLAGS) -fvisibility=hidden
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CXXELFFLAGS = $(CXXFLAGS) -fvisibility=hidden
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LDELFFLAGS = -r -e __start
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LDELFFLAGS += -T $(call CONVERT_PATH,$(TOPDIR)$(DELIM)libs$(DELIM)libc$(DELIM)elf$(DELIM)gnu-elf.ld)
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