Greg Kroah-Hartman
598cf27219
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org Tested-by: Florian Fainelli <florian.fainelli@broadcom.com> Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com> Tested-by: Peter Schneider <pschneider1968@googlemail.com> Tested-by: Jon Hunter <jonathanh@nvidia.com> Tested-by: Salvatore Bonaccorso <carnil@debian.org> Tested-by: Brett A C Sheffield <bacs@librecast.net> Tested-by: Mark Brown <broonie@kernel.org> Tested-by: Luna Jernberg <droidbittin@gmail.com> Tested-by: Ronald Warsow <rwarsow@gmx.de> Tested-by: Justin M. Forbes <jforbes@fedoraproject.org> Tested-by: Ron Economos <re@w6rz.net> Tested-by: Miguel Ojeda <ojeda@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
47 lines
1.2 KiB
C
47 lines
1.2 KiB
C
#ifndef __ASM_LINKAGE_H
|
|
#define __ASM_LINKAGE_H
|
|
|
|
#ifdef __ASSEMBLER__
|
|
#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
|