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/*
* linker script for GD32E230x with GNU ld
* Adapted from GD32E50x version.
* Corrected by Gemini to fix oversized .bin file and subsequent linker errors.
*/
MEMORY
{
/*
* IMPORTANT: Please check your specific chip's datasheet for correct memory sizes.
* The following values are for a GD32E230 with 64KB Flash and 8KB SRAM.
*/
CODE (rx) : ORIGIN = 0x08000000, LENGTH = 64k /* MODIFIED: 64KB flash */
DATA (rw) : ORIGIN = 0x20000000, LENGTH = 8k /* MODIFIED: 8KB sram */
}
/* Program Entry, set to mark it as "used" and avoid gc */
ENTRY(Reset_Handler)
/*
* Define the size of the stack used by the system.
* This is for the main stack pointer (MSP), used before RT-Thread scheduler starts and in interrupts.
* Increased to 1KB for safety.
*/
_system_stack_size = 0x400; /* MODIFIED: 1024 bytes */
SECTIONS
{
.text :
{
. = ALIGN(4);
_stext = .;
KEEP(*(.isr_vector)) /* Startup code */
. = ALIGN(4);
*(.text) /* remaining code */
*(.text.*) /* remaining code */
*(.rodata) /* read-only data (constants) */
*(.rodata*)
*(.glue_7)
*(.glue_7t)
*(.gnu.linkonce.t*)
/* 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(4);
_etext = .;
} > CODE
/*
* The .ARM.exidx section is needed for exception handling and stack unwinding.
* It should be placed in a loadable region like CODE.
*/
.ARM.exidx :
{
__exidx_start = .;
*(.ARM.exidx* .gnu.linkonce.armexidx.*)
__exidx_end = .;
} > CODE
/*
* Define the load address for the .data section.
* It should immediately follow the .ARM.exidx section in Flash.
*/
_sidata = __exidx_end;
/* .data section which is used for initialized data */
.data : AT (_sidata)
{
. = ALIGN(4);
_sdata = . ;
*(.data)
*(.data.*)
*(.gnu.linkonce.d*)
. = ALIGN(4);
_edata = . ;
} > DATA
/* Main stack, located at the top of the RAM region */
.stack (NOLOAD):
{
. = ALIGN(8);
_sstack = .;
. = . + _system_stack_size;
. = ALIGN(8);
_estack = .;
} > DATA
/* .bss section which is used for uninitialized data */
.bss :
{
. = ALIGN(4);
_sbss = .;
*(.bss)
*(.bss.*)
*(COMMON)
. = ALIGN(4);
_ebss = . ;
} > DATA
/* Define __bss_end for C code to find the heap start. */
__bss_end = _ebss;
_end = .;
/******************************************************************************
* Corrected section to discard unwanted information from the final binary. *
******************************************************************************/
/DISCARD/ :
{
libc.a ( * )
libm.a ( * )
libgcc.a ( * )
/* Discard all debugging and comment sections using the correct wildcard syntax */
*(.comment)
*(.note.gnu.build-id)
*(.ARM.attributes)
}
}
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