2 *****************************************************************************
4 ** File : stm32_flash.ld
6 ** Abstract : Common linker script for STM32 devices.
8 *****************************************************************************
14 /* Highest address of the user mode stack */
15 _estack = ORIGIN(RAM) + LENGTH(RAM); /* end of RAM */
17 /* Generate a link error if heap and stack don't fit into RAM */
18 _Min_Heap_Size = 0; /* required amount of heap */
19 _Min_Stack_Size = 0x400; /* required amount of stack */
21 /* Define output sections */
24 /* The startup code goes first into FLASH */
28 PROVIDE (isr_vector_table_base = .);
29 KEEP(*(.isr_vector)) /* Startup code */
33 /* The program code and other data goes into FLASH */
37 *(.text) /* .text sections (code) */
38 *(.text*) /* .text* sections (code) */
39 *(.rodata) /* .rodata sections (constants, strings, etc.) */
40 *(.rodata*) /* .rodata* sections (constants, strings, etc.) */
41 *(.glue_7) /* glue arm to thumb code */
42 *(.glue_7t) /* glue thumb to arm code */
49 _etext = .; /* define a global symbols at end of code */
53 .ARM.extab : { *(.ARM.extab* .gnu.linkonce.armextab.*) } >FLASH
62 PROVIDE_HIDDEN (__preinit_array_start = .);
63 KEEP (*(.preinit_array*))
64 PROVIDE_HIDDEN (__preinit_array_end = .);
68 PROVIDE_HIDDEN (__init_array_start = .);
69 KEEP (*(SORT(.init_array.*)))
70 KEEP (*(.init_array*))
71 PROVIDE_HIDDEN (__init_array_end = .);
75 PROVIDE_HIDDEN (__fini_array_start = .);
76 KEEP (*(.fini_array*))
77 KEEP (*(SORT(.fini_array.*)))
78 PROVIDE_HIDDEN (__fini_array_end = .);
81 /* used by the startup to initialize data */
84 /* Initialized data sections goes into RAM, load LMA copy after code */
88 _sdata = .; /* create a global symbol at data start */
89 *(.data) /* .data sections */
90 *(.data*) /* .data* sections */
93 _edata = .; /* define a global symbol at data end */
96 /* Uninitialized data section */
100 /* This is used by the startup in order to initialize the .bss secion */
101 _sbss = .; /* define a global symbol at bss start */
102 __bss_start__ = _sbss;
104 *(SORT_BY_ALIGNMENT(.bss*))
108 _ebss = .; /* define a global symbol at bss end */
112 /* User_heap_stack section, used to check that there is enough RAM left */
117 PROVIDE ( _end = . );
118 . = . + _Min_Heap_Size;
119 . = . + _Min_Stack_Size;
123 /* MEMORY_bank1 section, code must be located here explicitly */
124 /* Example: extern int foo(void) __attribute__ ((section (".mb1text"))); */
127 *(.mb1text) /* .mb1text sections (code) */
128 *(.mb1text*) /* .mb1text* sections (code) */
129 *(.mb1rodata) /* read-only data (constants) */
133 /* Remove information from the standard libraries */
141 .ARM.attributes 0 : { *(.ARM.attributes) }