Changeset View
Changeset View
Standalone View
Standalone View
sys/cddl/dev/kinst/kinst.h
- This file was added.
| /* | |||||
| * SPDX-License-Identifier: CDDL 1.0 | |||||
| * | |||||
| * Copyright 2022 Christos Margiolis <christos@FreeBSD.org> | |||||
| */ | |||||
| #ifndef _KINST_H_ | |||||
| #define _KINST_H_ | |||||
| #include <sys/dtrace.h> | |||||
| typedef struct { | |||||
| char kpd_func[DTRACE_FUNCNAMELEN]; | |||||
| char kpd_mod[DTRACE_MODNAMELEN]; | |||||
| int kpd_off; | |||||
| } dtrace_kinst_probedesc_t; | |||||
| #define KINSTIOC_MAKEPROBE _IOW('k', 1, dtrace_kinst_probedesc_t) | |||||
| #ifdef _KERNEL | |||||
| #include <sys/queue.h> | |||||
| #include "kinst_isa.h" | |||||
| struct kinst_probe { | |||||
| LIST_ENTRY(kinst_probe) kp_hashnext; | |||||
| const char *kp_func; | |||||
| char kp_name[16]; | |||||
| dtrace_id_t kp_id; | |||||
| kinst_patchval_t kp_patchval; | |||||
| kinst_patchval_t kp_savedval; | |||||
| kinst_patchval_t *kp_patchpoint; | |||||
| struct kinst_probe_md kp_md; | |||||
| }; | |||||
| LIST_HEAD(kinst_probe_list, kinst_probe); | |||||
| extern struct kinst_probe_list *kinst_probetab; | |||||
| #define KINST_PROBETAB_MAX 0x8000 /* 32k */ | |||||
| #define KINST_ADDR2NDX(addr) (((uintptr_t)(addr)) & (KINST_PROBETAB_MAX - 1)) | |||||
| #define KINST_GETPROBE(i) (&kinst_probetab[KINST_ADDR2NDX(i)]) | |||||
| struct linker_file; | |||||
| struct linker_symval; | |||||
| int kinst_invop(uintptr_t, struct trapframe *, uintptr_t); | |||||
| int kinst_make_probe(struct linker_file *, int, struct linker_symval *, | |||||
| void *); | |||||
| void kinst_patch_tracepoint(struct kinst_probe *, kinst_patchval_t); | |||||
| void kinst_probe_create(struct kinst_probe *, struct linker_file *); | |||||
| int kinst_trampoline_init(void); | |||||
| int kinst_trampoline_deinit(void); | |||||
| uint8_t *kinst_trampoline_alloc(int); | |||||
| void kinst_trampoline_dealloc(uint8_t *); | |||||
| #ifdef MALLOC_DECLARE | |||||
| MALLOC_DECLARE(M_KINST); | |||||
| #endif /* MALLOC_DECLARE */ | |||||
| #define KINST_LOG_HELPER(fmt, ...) \ | |||||
| printf("%s:%d: " fmt "%s\n", __func__, __LINE__, __VA_ARGS__) | |||||
| #define KINST_LOG(...) \ | |||||
| KINST_LOG_HELPER(__VA_ARGS__, "") | |||||
| #endif /* _KERNEL */ | |||||
| #endif /* _KINST_H_ */ | |||||