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2c015375d1
Prerequisite for enabling Link Time Optimisation. The _bl_state address is the same as _estack, but _estack is referred to as a uint32_t elsewhere in the code. LTO doesn't like it when the same symbol has two different types. Signed-off-by: Angus Gratton <gus@projectgus.com>
33 lines
693 B
Plaintext
33 lines
693 B
Plaintext
/* This linker script fragment is intended to be included in SECTIONS. */
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/* Zeroed-out data section */
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.bss :
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{
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. = ALIGN(4);
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_sbss = .;
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*(.bss*)
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*(COMMON)
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. = ALIGN(4);
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_ebss = .;
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} >RAM
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/* This is to define the start of the heap, and make sure there is a minimum size */
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.heap :
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{
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. = ALIGN(4);
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. = . + _minimum_heap_size;
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. = ALIGN(4);
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} >RAM
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/* This checks there is enough RAM for the stack */
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.stack :
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{
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. = ALIGN(4);
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. = . + _minimum_stack_size;
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. = ALIGN(4);
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} >RAM
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/* _bl_state symbol is used by MICROPY_HW_ENTER_BOOTLOADER_VIA_RESET, this is
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the end of stack address but is accessed as a different type. */
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_bl_state = _estack;
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