include/trace/stages/stage3_trace_output.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2
   3 /* Stage 3 definitions for creating trace events */
   4
   5 #undef __entry
   6 #define __entry field
   7
   8 #undef TP_printk
   9 #define TP_printk(fmt, args...) fmt "\n", args
  10
  11 #undef __get_dynamic_array
  12 #define __get_dynamic_array(field)      \
  13                 ((void *)__entry + (__entry->__data_loc_##field & 0xffff))
  14
  15 #undef __get_dynamic_array_len
  16 #define __get_dynamic_array_len(field)  \
  17                 ((__entry->__data_loc_##field >> 16) & 0xffff)
  18
  19 #undef __get_str
  20 #define __get_str(field) ((char *)__get_dynamic_array(field))
  21
  22 #undef __get_rel_dynamic_array
  23 #define __get_rel_dynamic_array(field)                                  \
  24                 ((void *)__entry +                                      \
  25                  offsetof(typeof(*__entry), __rel_loc_##field) +        \
  26                  sizeof(__entry->__rel_loc_##field) +                   \
  27                  (__entry->__rel_loc_##field & 0xffff))
  28
  29 #undef __get_rel_dynamic_array_len
  30 #define __get_rel_dynamic_array_len(field)      \
  31                 ((__entry->__rel_loc_##field >> 16) & 0xffff)
  32
  33 #undef __get_rel_str
  34 #define __get_rel_str(field) ((char *)__get_rel_dynamic_array(field))
  35
  36 #undef __get_bitmask
  37 #define __get_bitmask(field)                                            \
  38         ({                                                              \
  39                 void *__bitmask = __get_dynamic_array(field);           \
  40                 unsigned int __bitmask_size;                            \
  41                 __bitmask_size = __get_dynamic_array_len(field);        \
  42                 trace_print_bitmask_seq(p, __bitmask, __bitmask_size);  \
  43         })
  44
  45 #undef __get_rel_bitmask
  46 #define __get_rel_bitmask(field)                                                \
  47         ({                                                              \
  48                 void *__bitmask = __get_rel_dynamic_array(field);               \
  49                 unsigned int __bitmask_size;                            \
  50                 __bitmask_size = __get_rel_dynamic_array_len(field);    \
  51                 trace_print_bitmask_seq(p, __bitmask, __bitmask_size);  \
  52         })
  53
  54 #undef __get_sockaddr
  55 #define __get_sockaddr(field)   ((struct sockaddr *)__get_dynamic_array(field))
  56
  57 #undef __get_rel_sockaddr
  58 #define __get_rel_sockaddr(field)       ((struct sockaddr *)__get_rel_dynamic_array(field))
  59
  60 #undef __print_flags
  61 #define __print_flags(flag, delim, flag_array...)                       \
  62         ({                                                              \
  63                 static const struct trace_print_flags __flags[] =       \
  64                         { flag_array, { -1, NULL }};                    \
  65                 trace_print_flags_seq(p, delim, flag, __flags); \
  66         })
  67
  68 #undef __print_symbolic
  69 #define __print_symbolic(value, symbol_array...)                        \
  70         ({                                                              \
  71                 static const struct trace_print_flags symbols[] =       \
  72                         { symbol_array, { -1, NULL }};                  \
  73                 trace_print_symbols_seq(p, value, symbols);             \
  74         })
  75
  76 #undef __print_flags_u64
  77 #undef __print_symbolic_u64
  78 #if BITS_PER_LONG == 32
  79 #define __print_flags_u64(flag, delim, flag_array...)                   \
  80         ({                                                              \
  81                 static const struct trace_print_flags_u64 __flags[] =   \
  82                         { flag_array, { -1, NULL } };                   \
  83                 trace_print_flags_seq_u64(p, delim, flag, __flags);     \
  84         })
  85
  86 #define __print_symbolic_u64(value, symbol_array...)                    \
  87         ({                                                              \
  88                 static const struct trace_print_flags_u64 symbols[] =   \
  89                         { symbol_array, { -1, NULL } };                 \
  90                 trace_print_symbols_seq_u64(p, value, symbols); \
  91         })
  92 #else
  93 #define __print_flags_u64(flag, delim, flag_array...)                   \
  94                         __print_flags(flag, delim, flag_array)
  95
  96 #define __print_symbolic_u64(value, symbol_array...)                    \
  97                         __print_symbolic(value, symbol_array)
  98 #endif
  99
 100 #undef __print_hex
 101 #define __print_hex(buf, buf_len)                                       \
 102         trace_print_hex_seq(p, buf, buf_len, false)
 103
 104 #undef __print_hex_str
 105 #define __print_hex_str(buf, buf_len)                                   \
 106         trace_print_hex_seq(p, buf, buf_len, true)
 107
 108 #undef __print_array
 109 #define __print_array(array, count, el_size)                            \
 110         ({                                                              \
 111                 BUILD_BUG_ON(el_size != 1 && el_size != 2 &&            \
 112                              el_size != 4 && el_size != 8);             \
 113                 trace_print_array_seq(p, array, count, el_size);        \
 114         })
 115
 116 #undef __print_hex_dump
 117 #define __print_hex_dump(prefix_str, prefix_type,                       \
 118                          rowsize, groupsize, buf, len, ascii)           \
 119         trace_print_hex_dump_seq(p, prefix_str, prefix_type,            \
 120                                  rowsize, groupsize, buf, len, ascii)
 121
 122 #undef __print_ns_to_secs
 123 #define __print_ns_to_secs(value)                       \
 124         ({                                              \
 125                 u64 ____val = (u64)(value);             \
 126                 do_div(____val, NSEC_PER_SEC);          \
 127                 ____val;                                \
 128         })
 129
 130 #undef __print_ns_without_secs
 131 #define __print_ns_without_secs(value)                  \
 132         ({                                              \
 133                 u64 ____val = (u64)(value);             \
 134                 (u32) do_div(____val, NSEC_PER_SEC);    \
 135         })