以下是我的链接器描述文件，我添加了一个部分，用于使用某些函数将Flash中的代码访问到RAM中。但是当我构建项目时，它会给出一些有关重叠的错误
/*
*****************************************************************************
**
** File : KEAZ128M4_flash.ld
**
** Default linker command file for Flash targets
**
*****************************************************************************
*/
/* Entry Point */
/*ENTRY(__init_hardware)*/
ENTRY(RESET_handler)
/* Highest address of the user mode stack */
_estack = 0x20003000; /* end of SRAM */
__SP_INIT = _estack;
/* Generate a link error if heap and stack don't fit into RAM */
/*__heap_size = 0x100; */ /* required amount of heap is 256 Bytes */
/*__stack_size = 0x100; */ /* required amount of stack is 256 Bytes*/
/* Specify the memory areas */
MEMORY
{
m_interrupts (rx) : ORIGIN = 0x00000000, LENGTH = 0xC0 /*192 Bytes*/
m_cfmprotrom (rx) : ORIGIN = 0x00000400, LENGTH = 0x10 /*16 Bytes*/
/* m_flash (rw) : ORIGIN = 0x00000411, LENGTH = 0x400 1024 Bytes reserve space for reading and writing into flash*/
m_text (rx) : ORIGIN = 0x00000800, LENGTH = 128K - 0x800
/*reserving the last 2KB of flash by subtracting those bytes (0x800) from m_text segment*/
m_data (rwx) : ORIGIN = 0x1FFFF000, LENGTH = 8K
SRAM (rwx) : ORIGIN = 0x20001001, LENGTH = 8K /* SRAM */
}
/* Define output sections */
SECTIONS
{
/* The startup code goes first into Flash */
/*'.' means the location coounter, at the start of SECTIONS
* command the location counter is set to the value '0'
*/
.interrupts :
{
__vector_table = .;
. = ALIGN(4);
KEEP(*(.vectortable)) /* Startup code */
. = ALIGN(4);
} > m_interrupts
/* Above lines of code mean an output section '.interrupts'
* has input sections called vector_table and *(.vectortable)
* means all '.vectortable' input sections in all input files.
*/
.cfmprotect :
{
. = ALIGN(4);
KEEP(*(.cfmconfig)) /* Flash Configuration Field (FCF) */
. = ALIGN(4);
} > m_cfmprotrom
/* The program code and other data goes into Flash */
.text :
{
. = ALIGN(4);
*(.text) /* .text sections (code) */
*(.text*) /* .text* sections (code) */
*(.rodata) /* .rodata sections (constants, strings, etc.) */
*(.rodata*) /* .rodata* sections (constants, strings, etc.) */
*(.glue_7) /* glue arm to thumb code */
*(.glue_7t) /* glue thumb to arm code */
*(.eh_frame)
KEEP (*(.init))
KEEP (*(.fini))
. = ALIGN(4);
_etext = .; /* define a global symbols at end of code */
} > m_text
.ARM.extab : { *(.ARM.extab* .gnu.linkonce.armextab.*) } > m_text
.ARM : {
__exidx_start = .;
*(.ARM.exidx*)
__exidx_end = .;
} > m_text
.ctors :
{
__CTOR_LIST__ = .;
/* gcc uses crtbegin.o to find the start of
the constructors, so we make sure it is
first. Because this is a wildcard, it
doesn't matter if the user does not
actually link against crtbegin.o; the
linker won't look for a file to match a
wildcard. The wildcard also means that it
doesn't matter which directory crtbegin.o
is in. */
KEEP (*crtbegin.o(.ctors))
/* We don't want to include the .ctor section from
from the crtend.o file until after the sorted ctors.
The .ctor section from the crtend file contains the
end of ctors marker and it must be last */
KEEP (*(EXCLUDE_FILE (*crtend.o ) .ctors))
KEEP (*(SORT(.ctors.*)))
KEEP (*(.ctors))
__CTOR_END__ = .;
} > m_text
.dtors :
{
__DTOR_LIST__ = .;
KEEP (*crtbegin.o(.dtors))
KEEP (*(EXCLUDE_FILE (*crtend.o ) .dtors))
KEEP (*(SORT(.dtors.*)))
KEEP (*(.dtors))
__DTOR_END__ = .;
} > m_text
.preinit_array :
{
PROVIDE_HIDDEN (__preinit_array_start = .);
KEEP (*(.preinit_array*))
PROVIDE_HIDDEN (__preinit_array_end = .);
} > m_text
.init_array :
{
PROVIDE_HIDDEN (__init_array_start = .);
KEEP (*(SORT(.init_array.*)))
KEEP (*(.init_array*))
PROVIDE_HIDDEN (__init_array_end = .);
} > m_text
.fini_array :
{
PROVIDE_HIDDEN (__fini_array_start = .);
KEEP (*(SORT(.fini_array.*)))
KEEP (*(.fini_array*))
PROVIDE_HIDDEN (__fini_array_end = .);
___ROM_AT = .;
} > m_text
/* reserve MTB memory at the beginning of m_data */
.mtb : /* MTB buffer address as defined by the hardware */
{
. = ALIGN(8);
_mtb_start = .;
KEEP(*(.mtb_buf)) /* need to KEEP Micro Trace Buffer as not referenced by application */
. = ALIGN(8);
_mtb_end = .;
} > m_data
/* Initialized data sections goes into RAM, load LMA copy after code */
__stacktop = ORIGIN(SRAM) + LENGTH(SRAM) + LENGTH(m_data);
__data_load = LOADADDR(.data);
. = ORIGIN(m_data);
.data : AT(___ROM_AT)
{
. = ALIGN(4);
_sdata = .; /* create a global symbol at data start */
*(.data) /* .data sections */
*(.data*) /* .data* sections */
. = ALIGN(4);
_edata = .; /* define a global symbol at data end */
} > m_data
___data_size = _edata - _sdata;
/*tell the linker to put the functions marked as .ramfunctions into SRAM */
.FlashFuncRAM : AT (_etext)
{
_startFlashFuncRAM = .;
*(vtable vtable.*)
*(.gnu.linkonce.d*)
. = ALIGN(4);
*(.ramfunctions) /*Placing functions in .ramfunctions section in RAM */
_endFlashFuncRAM = .;
} > SRAM
/* Uninitialized data section */
. = ALIGN(4);
.bss :
{
/* This is used by the startup in order to initialize the .bss section */
__START_BSS = .;
PROVIDE ( __bss_start__ = __START_BSS );
*(.bss)
*(.bss*)
*(COMMON)
. = ALIGN(4);
__END_BSS = .;
PROVIDE ( __bss_end__ = __END_BSS );
} > m_data
_romp_at = ___ROM_AT + SIZEOF(.data);
.romp : AT(_romp_at)
{
__S_romp = _romp_at;
LONG(___ROM_AT);
LONG(_sdata);
LONG(___data_size);
LONG(0);
LONG(0);
LONG(0);
} > m_data
/* User_heap_stack section, used to check that there is enough RAM left */
/* ._user_heap_stack :
{
. = ALIGN(4);
PROVIDE ( end = . );
PROVIDE ( _end = . );
__heap_addr = .;
. = . + __heap_size;
. = . + __stack_size;
. = ALIGN(4);
} > m_data
*/
.ARM.attributes 0 : { *(.ARM.attributes) }
}
我构建项目时显示的错误是
C：/工具/普通/ gnuarm / 6_2017_q2 / bin中/../ LIB / GCC /臂-NONE-EABI / 6.3.1 /../../../../臂-NONE-EABI /bin/ld.exe:section .FlashFuncRAM LMA [00006154,0000630b]重叠部分.init_array LMA [00006154,0000615b] C：/工具/通用/ gnuarm / 6_2017_q2 / bin中/../ lib中/ GCC / ARM-NONE-EABI / 6.3.1 /../../../../臂无 - EABI /斌/ ld.exe：section .fini_array LMA [0000615c，0000615f]重叠部分.FlashFuncRAM LMA [00006154,0000630b]