Viewing file:  linkage.h (1.19 KB) -rw-r--r--
Select action/file-type:
 (+) |  (+) |  (+) | Code (+) | Session (+) |  (+) | SDB (+) |  (+) |  (+) |  (+) |  (+) |  (+) |
#ifndef __ASM_LINKAGE_H
#define __ASM_LINKAGE_H
#ifdef __ASSEMBLY__
#include <asm/assembler.h>
#endif
#define __ALIGN .balign CONFIG_FUNCTION_ALIGNMENT
#define __ALIGN_STR ".balign " #CONFIG_FUNCTION_ALIGNMENT
/*
* When using in-kernel BTI we need to ensure that PCS-conformant
* assembly functions have suitable annotations. Override
* SYM_FUNC_START to insert a BTI landing pad at the start of
* everything, the override is done unconditionally so we're more
* likely to notice any drift from the overridden definitions.
*/
#define SYM_FUNC_START(name) \
SYM_START(name, SYM_L_GLOBAL, SYM_A_ALIGN) \
bti c ;
#define SYM_FUNC_START_NOALIGN(name) \
SYM_START(name, SYM_L_GLOBAL, SYM_A_NONE) \
bti c ;
#define SYM_FUNC_START_LOCAL(name) \
SYM_START(name, SYM_L_LOCAL, SYM_A_ALIGN) \
bti c ;
#define SYM_FUNC_START_LOCAL_NOALIGN(name) \
SYM_START(name, SYM_L_LOCAL, SYM_A_NONE) \
bti c ;
#define SYM_FUNC_START_WEAK(name) \
SYM_START(name, SYM_L_WEAK, SYM_A_ALIGN) \
bti c ;
#define SYM_FUNC_START_WEAK_NOALIGN(name) \
SYM_START(name, SYM_L_WEAK, SYM_A_NONE) \
bti c ;
#define SYM_TYPED_FUNC_START(name) \
SYM_TYPED_START(name, SYM_L_GLOBAL, SYM_A_ALIGN) \
bti c ;
#endif
|