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| 1 | #ifndef __ASM_LINKAGE_H |
|---|---|
| 2 | #define __ASM_LINKAGE_H |
| 3 | |
| 4 | #ifdef __ASSEMBLER__ |
| 5 | #include <asm/assembler.h> |
| 6 | #endif |
| 7 | |
| 8 | #define __ALIGN .balign CONFIG_FUNCTION_ALIGNMENT |
| 9 | #define __ALIGN_STR ".balign " #CONFIG_FUNCTION_ALIGNMENT |
| 10 | |
| 11 | /* |
| 12 | * When using in-kernel BTI we need to ensure that PCS-conformant |
| 13 | * assembly functions have suitable annotations. Override |
| 14 | * SYM_FUNC_START to insert a BTI landing pad at the start of |
| 15 | * everything, the override is done unconditionally so we're more |
| 16 | * likely to notice any drift from the overridden definitions. |
| 17 | */ |
| 18 | #define SYM_FUNC_START(name) \ |
| 19 | SYM_START(name, SYM_L_GLOBAL, SYM_A_ALIGN) \ |
| 20 | bti c ; |
| 21 | |
| 22 | #define SYM_FUNC_START_NOALIGN(name) \ |
| 23 | SYM_START(name, SYM_L_GLOBAL, SYM_A_NONE) \ |
| 24 | bti c ; |
| 25 | |
| 26 | #define SYM_FUNC_START_LOCAL(name) \ |
| 27 | SYM_START(name, SYM_L_LOCAL, SYM_A_ALIGN) \ |
| 28 | bti c ; |
| 29 | |
| 30 | #define SYM_FUNC_START_LOCAL_NOALIGN(name) \ |
| 31 | SYM_START(name, SYM_L_LOCAL, SYM_A_NONE) \ |
| 32 | bti c ; |
| 33 | |
| 34 | #define SYM_FUNC_START_WEAK(name) \ |
| 35 | SYM_START(name, SYM_L_WEAK, SYM_A_ALIGN) \ |
| 36 | bti c ; |
| 37 | |
| 38 | #define SYM_FUNC_START_WEAK_NOALIGN(name) \ |
| 39 | SYM_START(name, SYM_L_WEAK, SYM_A_NONE) \ |
| 40 | bti c ; |
| 41 | |
| 42 | #define SYM_TYPED_FUNC_START(name) \ |
| 43 | SYM_TYPED_START(name, SYM_L_GLOBAL, SYM_A_ALIGN) \ |
| 44 | bti c ; |
| 45 | |
| 46 | #endif |
| 47 |
Warning: This file is not a C or C++ file. It does not have highlighting.