tools/perf/trace/beauty/mmap.c

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