rt-thread/bsp/ck802/gcc_csky.ld

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2018-06-05 14:36:29 +08:00
/*
* Copyright (C) 2017 C-SKY Microsystems Co., Ltd. All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/******************************************************************************
* @file gcc_csky.h
* @brief csky linker file for PHOBOS
* @version V1.0
* @date 02. June 2017
******************************************************************************/
MEMORY
{
ROM : ORIGIN = 0x0 , LENGTH = 0x1FFF /* ROM 8KB*/
EFLASH : ORIGIN = 0x10000000 , LENGTH = 0x3FFFF /* E-FLASH 256KB*/
SRAM : ORIGIN = 0x20000000 , LENGTH = 0x18000 /* on-chip SRAM 128KB*/
}
PROVIDE (__StackTop = 0x20020000 - 0x8);
PROVIDE (Stack_Size = 0x1000);
/*
PROVIDE (__heap_start = 0x20018000);
PROVIDE (__heap_end = 0x2001a000);
PROVIDE (Heap_Size = 0x2000);
*/
REGION_ALIAS("REGION_TEXT", SRAM);
REGION_ALIAS("REGION_RODATA", SRAM);
REGION_ALIAS("REGION_CUSTOM1", SRAM);
REGION_ALIAS("REGION_CUSTOM2", SRAM);
REGION_ALIAS("REGION_DATA", SRAM);
REGION_ALIAS("REGION_BSS", SRAM);
ENTRY(Reset_Handler)
SECTIONS
{
.text : AT(ADDR(.text)){
. = ALIGN(0x4) ;
*(.vectors)
__stext = . ;
*(.text)
*(.text*)
*(.text.*)
*(.gnu.warning)
*(.stub)
*(.gnu.linkonce.t*)
*(.glue_7t)
*(.glue_7)
*(.jcr)
*(.init)
*(.fini)
. = ALIGN (4) ;
PROVIDE(__ctbp = .);
*(.call_table_data)
*(.call_table_text)
/* section information for finsh shell */
. = ALIGN(4);
__fsymtab_start = .;
KEEP(*(FSymTab))
__fsymtab_end = .;
. = ALIGN(4);
__vsymtab_start = .;
KEEP(*(VSymTab))
__vsymtab_end = .;
. = ALIGN(4);
/* section information for initial. */
. = ALIGN(4);
__rt_init_start = .;
KEEP(*(SORT(.rti_fn*)))
__rt_init_end = .;
. = ALIGN(4);
. = ALIGN(0x10) ;
__etext = . ;
} > REGION_TEXT
.rodata : AT(LOADADDR(.text) + SIZEOF(.text)){
. = ALIGN(0x4) ;
__srodata = .;
*(.rdata)
*(.rdata*)
*(.rdata1)
*(.rdata.*)
*(.rodata)
*(.rodata1)
*(.rodata*)
*(.rodata.*)
*(.rodata.str1.4)
. = ALIGN(0x4) ;
__erodata = .;
} > REGION_RODATA
.data : AT(LOADADDR(.rodata) + SIZEOF(.rodata)){
. = ALIGN(0x4) ;
__sdata = . ;
__data_start__ = . ;
data_start = . ;
*(.got.plt)
*(.got)
*(.gnu.linkonce.r*)
*(.data)
*(.data*)
*(.data1)
*(.data.*)
*(.gnu.linkonce.d*)
*(.data1)
*(.gcc_except_table)
*(.gcc_except_table*)
__start_init_call = .;
*(.initcall.init)
__stop_init_call = .;
__start_cmd = .;
*(.bootloaddata.cmd)
. = ALIGN(4) ;
__stop_cmd = .;
*(.sdata)
*(.sdata.*)
*(.gnu.linkonce.s.*)
*(__libc_atexit)
*(__libc_subinit)
*(__libc_subfreeres)
*(.note.ABI-tag)
. = ALIGN(0x4) ;
__edata = .;
__data_end__ = .;
} > REGION_DATA
.bss : {
. = ALIGN(0x4) ;
__sbss = ALIGN(0x4) ;
__bss_start__ = . ;
*(.dynsbss)
*(.sbss)
*(.sbss.*)
*(.scommon)
*(.dynbss)
*(.bss)
*(.bss.*)
*(COMMON)
. = ALIGN(0x4) ;
__ebss = . ;
__end = . ;
end = . ;
__bss_end__ = .;
} > REGION_BSS
.eh_frame : ONLY_IF_RO { KEEP (*(.eh_frame)) } > REGION_BSS
.gcc_except_table : ONLY_IF_RO { *(.gcc_except_table .gcc_except_table.*) } > REGION_BSS
.eh_frame : ONLY_IF_RW { KEEP (*(.eh_frame)) }
.gcc_except_table : ONLY_IF_RW { *(.gcc_except_table .gcc_except_table.*) }
.eh_frame_hdr : { *(.eh_frame_hdr) }
.preinit_array :
{
PROVIDE_HIDDEN (__preinit_array_start = .);
KEEP (*(.preinit_array))
PROVIDE_HIDDEN (__preinit_array_end = .);
}
.init_array :
{
PROVIDE_HIDDEN (__init_array_start = .);
KEEP (*(SORT(.init_array.*)))
KEEP (*(.init_array))
PROVIDE_HIDDEN (__init_array_end = .);
}
.fini_array :
{
PROVIDE_HIDDEN (__fini_array_start = .);
KEEP (*(.fini_array))
KEEP (*(SORT(.fini_array.*)))
PROVIDE_HIDDEN (__fini_array_end = .);
}
.ctors :
{
KEEP (*crtbegin.o(.ctors))
KEEP (*crtbegin?.o(.ctors))
KEEP (*(EXCLUDE_FILE (*crtend.o *crtend?.o ) .ctors))
KEEP (*(SORT(.ctors.*)))
KEEP (*(.ctors))
} > REGION_BSS
.dtors :
{
KEEP (*crtbegin.o(.dtors))
KEEP (*crtbegin?.o(.dtors))
KEEP (*(EXCLUDE_FILE (*crtend.o *crtend?.o ) .dtors))
KEEP (*(SORT(.dtors.*)))
KEEP (*(.dtors))
} > REGION_BSS
.junk 0 : { *(.rel*) *(.rela*) }
.stab 0 : { *(.stab) }
.stabstr 0 : { *(.stabstr) }
.stab.excl 0 : { *(.stab.excl) }
.stab.exclstr 0 : { *(.stab.exclstr) }
.stab.index 0 : { *(.stab.index) }
.stab.indexstr 0 : { *(.stab.indexstr) }
.comment 0 : { *(.comment) }
.debug 0 : { *(.debug) }
.line 0 : { *(.line) }
.debug_srcinfo 0 : { *(.debug_srcinfo) }
.debug_sfnames 0 : { *(.debug_sfnames) }
.debug_aranges 0 : { *(.debug_aranges) }
.debug_pubnames 0 : { *(.debug_pubnames) }
.debug_info 0 : { *(.debug_info .gnu.linkonce.wi.*) }
.debug_abbrev 0 : { *(.debug_abbrev) }
.debug_line 0 : { *(.debug_line) }
.debug_frame 0 : { *(.debug_frame) }
.debug_str 0 : { *(.debug_str) }
.debug_loc 0 : { *(.debug_loc) }
.debug_macinfo 0 : { *(.debug_macinfo) }
.debug_weaknames 0 : { *(.debug_weaknames) }
.debug_funcnames 0 : { *(.debug_funcnames) }
.debug_typenames 0 : { *(.debug_typenames) }
.debug_varnames 0 : { *(.debug_varnames) }
.debug_pubtypes 0 : { *(.debug_pubtypes) }
.debug_ranges 0 : { *(.debug_ranges) }
.gnu.attributes 0 : { KEEP (*(.gnu.attributes)) }
/DISCARD/ : { *(.note.GNU-stack) *(.gnu_debuglink) *(.gnu.lto_*) }
}