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linker-defs.h: add some comments

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Signed-off-by: Andrew Boie <andrew.p.boie@intel.com>
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Andrew Boie 2017-06-14 13:31:11 -07:00 • committed by Anas Nashif
commit 1eaccb0bb7
1 changed files with 6 additions and 1 deletions
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7
include/linker/linker-defs.h
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@ -136,14 +136,19 @@ GDATA(__data_num_words)
#else /* ! _ASMLANGUAGE */
#include <zephyr/types.h>
/* Used by _bss_zero or arch-specific implementation */
extern char __bss_start[];
extern char __bss_end[];
/* Used by _data_copy() or arch-specific implementation */
#ifdef CONFIG_XIP
extern char __data_rom_start[];
extern char __data_ram_start[];
extern char __data_ram_end[];
#endif
/* used by mem_safe subsystem */
extern char _image_rom_start[];
extern char _image_rom_end[];
extern char _image_ram_start[];
@ -151,7 +156,7 @@ extern char _image_ram_end[];
extern char _image_text_start[];
extern char _image_text_end[];
/* end address of image. */
/* end address of image, used by newlib for the heap */
extern char _end[];
#endif /* ! _ASMLANGUAGE */