diff options
Diffstat (limited to 'include/linux/kcov.h')
| -rw-r--r-- | include/linux/kcov.h | 25 |
1 files changed, 22 insertions, 3 deletions
diff --git a/include/linux/kcov.h b/include/linux/kcov.h index 55dc338f6bcd..0143358874b0 100644 --- a/include/linux/kcov.h +++ b/include/linux/kcov.h @@ -21,6 +21,8 @@ enum kcov_mode { KCOV_MODE_TRACE_PC = 2, /* Collecting comparison operands mode. */ KCOV_MODE_TRACE_CMP = 3, + /* The process owns a KCOV remote reference. */ + KCOV_MODE_REMOTE = 4, }; #define KCOV_IN_CTXSW (1 << 30) @@ -56,22 +58,39 @@ static inline void kcov_remote_start_usb(u64 id) /* * The softirq flavor of kcov_remote_*() functions is introduced as a temporary * work around for kcov's lack of nested remote coverage sections support in - * task context. Adding suport for nested sections is tracked in: + * task context. Adding support for nested sections is tracked in: * https://bugzilla.kernel.org/show_bug.cgi?id=210337 */ static inline void kcov_remote_start_usb_softirq(u64 id) { - if (in_serving_softirq()) + if (in_serving_softirq() && !in_hardirq()) kcov_remote_start_usb(id); } static inline void kcov_remote_stop_softirq(void) { - if (in_serving_softirq()) + if (in_serving_softirq() && !in_hardirq()) kcov_remote_stop(); } +#ifdef CONFIG_64BIT +typedef unsigned long kcov_u64; +#else +typedef unsigned long long kcov_u64; +#endif + +void __sanitizer_cov_trace_pc(void); +void __sanitizer_cov_trace_cmp1(u8 arg1, u8 arg2); +void __sanitizer_cov_trace_cmp2(u16 arg1, u16 arg2); +void __sanitizer_cov_trace_cmp4(u32 arg1, u32 arg2); +void __sanitizer_cov_trace_cmp8(kcov_u64 arg1, kcov_u64 arg2); +void __sanitizer_cov_trace_const_cmp1(u8 arg1, u8 arg2); +void __sanitizer_cov_trace_const_cmp2(u16 arg1, u16 arg2); +void __sanitizer_cov_trace_const_cmp4(u32 arg1, u32 arg2); +void __sanitizer_cov_trace_const_cmp8(kcov_u64 arg1, kcov_u64 arg2); +void __sanitizer_cov_trace_switch(kcov_u64 val, void *cases); + #else static inline void kcov_task_init(struct task_struct *t) {} |