1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #ifndef _PERF_TRACE_BEAUTY_H 3 #define _PERF_TRACE_BEAUTY_H 4 5 #include <linux/kernel.h> 6 #include <linux/types.h> 7 8 struct strarray { 9 int offset; 10 int nr_entries; 11 const char **entries; 12 }; 13 14 #define DEFINE_STRARRAY(array) struct strarray strarray__##array = { \ 15 .nr_entries = ARRAY_SIZE(array), \ 16 .entries = array, \ 17 } 18 19 #define DEFINE_STRARRAY_OFFSET(array, off) struct strarray strarray__##array = { \ 20 .offset = off, \ 21 .nr_entries = ARRAY_SIZE(array), \ 22 .entries = array, \ 23 } 24 25 size_t strarray__scnprintf(struct strarray *sa, char *bf, size_t size, const char *intfmt, int val); 26 27 struct trace; 28 struct thread; 29 30 /** 31 * @val: value of syscall argument being formatted 32 * @args: All the args, use syscall_args__val(arg, nth) to access one 33 * @thread: tid state (maps, pid, tid, etc) 34 * @trace: 'perf trace' internals: all threads, etc 35 * @parm: private area, may be an strarray, for instance 36 * @idx: syscall arg idx (is this the first?) 37 * @mask: a syscall arg may mask another arg, see syscall_arg__scnprintf_futex_op 38 */ 39 40 struct syscall_arg { 41 unsigned long val; 42 unsigned char *args; 43 struct thread *thread; 44 struct trace *trace; 45 void *parm; 46 u8 idx; 47 u8 mask; 48 }; 49 50 unsigned long syscall_arg__val(struct syscall_arg *arg, u8 idx); 51 52 size_t syscall_arg__scnprintf_strarrays(char *bf, size_t size, struct syscall_arg *arg); 53 #define SCA_STRARRAYS syscall_arg__scnprintf_strarrays 54 55 size_t syscall_arg__scnprintf_fd(char *bf, size_t size, struct syscall_arg *arg); 56 #define SCA_FD syscall_arg__scnprintf_fd 57 58 size_t syscall_arg__scnprintf_hex(char *bf, size_t size, struct syscall_arg *arg); 59 #define SCA_HEX syscall_arg__scnprintf_hex 60 61 size_t syscall_arg__scnprintf_int(char *bf, size_t size, struct syscall_arg *arg); 62 #define SCA_INT syscall_arg__scnprintf_int 63 64 size_t syscall_arg__scnprintf_long(char *bf, size_t size, struct syscall_arg *arg); 65 #define SCA_LONG syscall_arg__scnprintf_long 66 67 size_t syscall_arg__scnprintf_pid(char *bf, size_t size, struct syscall_arg *arg); 68 #define SCA_PID syscall_arg__scnprintf_pid 69 70 size_t syscall_arg__scnprintf_clone_flags(char *bf, size_t size, struct syscall_arg *arg); 71 #define SCA_CLONE_FLAGS syscall_arg__scnprintf_clone_flags 72 73 size_t syscall_arg__scnprintf_fcntl_cmd(char *bf, size_t size, struct syscall_arg *arg); 74 #define SCA_FCNTL_CMD syscall_arg__scnprintf_fcntl_cmd 75 76 size_t syscall_arg__scnprintf_fcntl_arg(char *bf, size_t size, struct syscall_arg *arg); 77 #define SCA_FCNTL_ARG syscall_arg__scnprintf_fcntl_arg 78 79 size_t syscall_arg__scnprintf_ioctl_cmd(char *bf, size_t size, struct syscall_arg *arg); 80 #define SCA_IOCTL_CMD syscall_arg__scnprintf_ioctl_cmd 81 82 size_t syscall_arg__scnprintf_pkey_alloc_access_rights(char *bf, size_t size, struct syscall_arg *arg); 83 #define SCA_PKEY_ALLOC_ACCESS_RIGHTS syscall_arg__scnprintf_pkey_alloc_access_rights 84 85 size_t syscall_arg__scnprintf_open_flags(char *bf, size_t size, struct syscall_arg *arg); 86 #define SCA_OPEN_FLAGS syscall_arg__scnprintf_open_flags 87 88 size_t syscall_arg__scnprintf_statx_flags(char *bf, size_t size, struct syscall_arg *arg); 89 #define SCA_STATX_FLAGS syscall_arg__scnprintf_statx_flags 90 91 size_t syscall_arg__scnprintf_statx_mask(char *bf, size_t size, struct syscall_arg *arg); 92 #define SCA_STATX_MASK syscall_arg__scnprintf_statx_mask 93 94 size_t open__scnprintf_flags(unsigned long flags, char *bf, size_t size); 95 96 void syscall_arg__set_ret_scnprintf(struct syscall_arg *arg, 97 size_t (*ret_scnprintf)(char *bf, size_t size, struct syscall_arg *arg)); 98 99 #endif /* _PERF_TRACE_BEAUTY_H */ 100