tools/perf/trace/beauty/mmap.c

   1 #include <sys/mman.h>
   2
   3 #ifndef PROT_SEM
   4 #define PROT_SEM 0x8
   5 #endif
   6
   7 static size_t syscall_arg__scnprintf_mmap_prot(char *bf, size_t size,
   8                                                struct syscall_arg *arg)
   9 {
  10         int printed = 0, prot = arg->val;
  11
  12         if (prot == PROT_NONE)
  13                 return scnprintf(bf, size, "NONE");
  14 #define P_MMAP_PROT(n) \
  15         if (prot & PROT_##n) { \
  16                 printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "|" : "", #n); \
  17                 prot &= ~PROT_##n; \
  18         }
  19
  20         P_MMAP_PROT(EXEC);
  21         P_MMAP_PROT(READ);
  22         P_MMAP_PROT(WRITE);
  23         P_MMAP_PROT(SEM);
  24         P_MMAP_PROT(GROWSDOWN);
  25         P_MMAP_PROT(GROWSUP);
  26 #undef P_MMAP_PROT
  27
  28         if (prot)
  29                 printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "|" : "", prot);
  30
  31         return printed;
  32 }
  33
  34 #define SCA_MMAP_PROT syscall_arg__scnprintf_mmap_prot
  35
  36 #ifndef MAP_FIXED
  37 #define MAP_FIXED                    0x10
  38 #endif
  39
  40 #ifndef MAP_ANONYMOUS
  41 #define MAP_ANONYMOUS                0x20
  42 #endif
  43
  44 #ifndef MAP_32BIT
  45 #define MAP_32BIT                    0x40
  46 #endif
  47
  48 #ifndef MAP_STACK
  49 #define MAP_STACK                 0x20000
  50 #endif
  51
  52 #ifndef MAP_HUGETLB
  53 #define MAP_HUGETLB               0x40000
  54 #endif
  55
  56 #ifndef MAP_UNINITIALIZED
  57 #define MAP_UNINITIALIZED       0x4000000
  58 #endif
  59
  60
  61 static size_t syscall_arg__scnprintf_mmap_flags(char *bf, size_t size,
  62                                                 struct syscall_arg *arg)
  63 {
  64         int printed = 0, flags = arg->val;
  65
  66 #define P_MMAP_FLAG(n) \
  67         if (flags & MAP_##n) { \
  68                 printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "|" : "", #n); \
  69                 flags &= ~MAP_##n; \
  70         }
  71
  72         P_MMAP_FLAG(SHARED);
  73         P_MMAP_FLAG(PRIVATE);
  74         P_MMAP_FLAG(32BIT);
  75         P_MMAP_FLAG(ANONYMOUS);
  76         P_MMAP_FLAG(DENYWRITE);
  77         P_MMAP_FLAG(EXECUTABLE);
  78         P_MMAP_FLAG(FILE);
  79         P_MMAP_FLAG(FIXED);
  80         P_MMAP_FLAG(GROWSDOWN);
  81         P_MMAP_FLAG(HUGETLB);
  82         P_MMAP_FLAG(LOCKED);
  83         P_MMAP_FLAG(NONBLOCK);
  84         P_MMAP_FLAG(NORESERVE);
  85         P_MMAP_FLAG(POPULATE);
  86         P_MMAP_FLAG(STACK);
  87         P_MMAP_FLAG(UNINITIALIZED);
  88 #undef P_MMAP_FLAG
  89
  90         if (flags)
  91                 printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "|" : "", flags);
  92
  93         return printed;
  94 }
  95
  96 #define SCA_MMAP_FLAGS syscall_arg__scnprintf_mmap_flags
  97
  98 #ifndef MREMAP_MAYMOVE
  99 #define MREMAP_MAYMOVE 1
 100 #endif
 101 #ifndef MREMAP_FIXED
 102 #define MREMAP_FIXED 2
 103 #endif
 104
 105 static size_t syscall_arg__scnprintf_mremap_flags(char *bf, size_t size,
 106                                                   struct syscall_arg *arg)
 107 {
 108         int printed = 0, flags = arg->val;
 109
 110 #define P_MREMAP_FLAG(n) \
 111         if (flags & MREMAP_##n) { \
 112                 printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "|" : "", #n); \
 113                 flags &= ~MREMAP_##n; \
 114         }
 115
 116         P_MREMAP_FLAG(MAYMOVE);
 117         P_MREMAP_FLAG(FIXED);
 118 #undef P_MREMAP_FLAG
 119
 120         if (flags)
 121                 printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "|" : "", flags);
 122
 123         return printed;
 124 }
 125
 126 #define SCA_MREMAP_FLAGS syscall_arg__scnprintf_mremap_flags
 127
 128 #ifndef MADV_HWPOISON
 129 #define MADV_HWPOISON           100
 130 #endif
 131
 132 #ifndef MADV_SOFT_OFFLINE
 133 #define MADV_SOFT_OFFLINE       101
 134 #endif
 135
 136 #ifndef MADV_MERGEABLE
 137 #define MADV_MERGEABLE           12
 138 #endif
 139
 140 #ifndef MADV_UNMERGEABLE
 141 #define MADV_UNMERGEABLE         13
 142 #endif
 143
 144 #ifndef MADV_HUGEPAGE
 145 #define MADV_HUGEPAGE            14
 146 #endif
 147
 148 #ifndef MADV_NOHUGEPAGE
 149 #define MADV_NOHUGEPAGE          15
 150 #endif
 151
 152 #ifndef MADV_DONTDUMP
 153 #define MADV_DONTDUMP            16
 154 #endif
 155
 156 #ifndef MADV_DODUMP
 157 #define MADV_DODUMP              17
 158 #endif
 159
 160
 161 static size_t syscall_arg__scnprintf_madvise_behavior(char *bf, size_t size,
 162                                                       struct syscall_arg *arg)
 163 {
 164         int behavior = arg->val;
 165
 166         switch (behavior) {
 167 #define P_MADV_BHV(n) case MADV_##n: return scnprintf(bf, size, #n)
 168         P_MADV_BHV(NORMAL);
 169         P_MADV_BHV(RANDOM);
 170         P_MADV_BHV(SEQUENTIAL);
 171         P_MADV_BHV(WILLNEED);
 172         P_MADV_BHV(DONTNEED);
 173         P_MADV_BHV(REMOVE);
 174         P_MADV_BHV(DONTFORK);
 175         P_MADV_BHV(DOFORK);
 176         P_MADV_BHV(HWPOISON);
 177         P_MADV_BHV(SOFT_OFFLINE);
 178         P_MADV_BHV(MERGEABLE);
 179         P_MADV_BHV(UNMERGEABLE);
 180         P_MADV_BHV(HUGEPAGE);
 181         P_MADV_BHV(NOHUGEPAGE);
 182         P_MADV_BHV(DONTDUMP);
 183         P_MADV_BHV(DODUMP);
 184 #undef P_MADV_BHV
 185         default: break;
 186         }
 187
 188         return scnprintf(bf, size, "%#x", behavior);
 189 }
 190
 191 #define SCA_MADV_BHV syscall_arg__scnprintf_madvise_behavior