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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>
98 lines
2.3 KiB
ArmAsm
98 lines
2.3 KiB
ArmAsm
/****************************************************************************
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* libs/libc/elf/elf_globals.S
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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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#ifdef __CYGWIN__
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# define SYMBOL(s) _##s
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# define GLOBAL .global
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# define SECTION .data
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.macro GLOBAL ep
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.global SYMBOL(\ep)
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.type SYMBOL(\ep), "object"
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.endm
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.macro SIZE ep
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.endm
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#elif defined(__ELF__)
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# define SYMBOL(s) s
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# define SECTION .data
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.macro GLOBAL ep
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.global SYMBOL(\ep)
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.type SYMBOL(\ep), "object"
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.endm
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.macro SIZE ep
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# if defined(__ghs__)
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.size SYMBOL(ep), . - SYMBOL(ep)
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# else
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.size SYMBOL(\ep), . - SYMBOL(\ep)
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# endif
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.endm
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#else
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# define SYMBOL(s) _##s
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# define SECTION .section __DATA,__data
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.macro GLOBAL ep
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.private_extern SYMBOL(\ep)
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.globl SYMBOL(\ep)
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.endm
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.macro SIZE ep
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.endm
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#endif
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#if defined(__SIZEOF_POINTER__ ) && __SIZEOF_POINTER__ == 8
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.macro globalEntry index, ep
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.quad .l\index
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.quad \ep
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.endm
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# define ALIGN 8
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#else
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.macro globalEntry index, ep
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.long .l\index
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.long \ep
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.endm
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# define ALIGN 4
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#endif
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#ifdef __ARM_ARCH_ISA_THUMB2
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# ifdef __ARM_ARCH_7M__
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.arch armv7e-m
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# elif defined ___ARM_ARCH 8
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.arch armv8-m.base
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#endif
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#ifdef __ARM_ASM_SYNTAX_UNIFIED__
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.syntax unified
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#endif
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.thumb
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#endif
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.data
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.align ALIGN
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GLOBAL globalNames
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SYMBOL(globalNames):
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SIZE globalNames
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.align ALIGN
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GLOBAL nglobals
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SYMBOL(nglobals):
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.word 0
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SIZE nglobals
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.align ALIGN
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GLOBAL global_table
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SYMBOL(global_table):
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SIZE global_table
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