u-boot/arch/arm/include/asm/secure.h

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#ifndef __ASM_SECURE_H
#define __ASM_SECURE_H
#include <config.h>
#define __secure __attribute__ ((section ("._secure.text")))
#define __secure_data __attribute__ ((section ("._secure.data")))
#ifdef CONFIG_ARMV7_SECURE_BASE
/*
* Warning, horror ahead.
*
* The target code lives in our "secure ram", but u-boot doesn't know
* that, and has blindly added reloc_off to every relocation
* entry. Gahh. Do the opposite conversion. This hack also prevents
* GCC from generating code veeners, which u-boot doesn't relocate at
* all...
*/
#define secure_ram_addr(_fn) ({ \
DECLARE_GLOBAL_DATA_PTR; \
void *__fn = _fn; \
typeof(_fn) *__tmp = (__fn - gd->reloc_off); \
__tmp; \
})
#else
#define secure_ram_addr(_fn) (_fn)
#endif
#endif