LXR linux/tools/perf/trace/beauty/mmap.c

   1// SPDX-License-Identifier: LGPL-2.1
   2#include <linux/log2.h>
   3
   4#include "trace/beauty/generated/mmap_prot_array.c"
   5static DEFINE_STRARRAY(mmap_prot, "PROT_");
   6
   7static size_t mmap__scnprintf_prot(unsigned long prot, char *bf, size_t size, bool show_prefix)
   8{
   9       return strarray__scnprintf_flags(&strarray__mmap_prot, bf, size, show_prefix, prot);
  10}
  11
  12static size_t syscall_arg__scnprintf_mmap_prot(char *bf, size_t size, struct syscall_arg *arg)
  13{
  14        unsigned long prot = arg->val;
  15
  16        if (prot == 0)
  17                return scnprintf(bf, size, "%sNONE", arg->show_string_prefix ? strarray__mmap_prot.prefix : "");
  18
  19        return mmap__scnprintf_prot(prot, bf, size, arg->show_string_prefix);
  20}
  21
  22#define SCA_MMAP_PROT syscall_arg__scnprintf_mmap_prot
  23
  24#include "trace/beauty/generated/mmap_flags_array.c"
  25static DEFINE_STRARRAY(mmap_flags, "MAP_");
  26
  27static size_t mmap__scnprintf_flags(unsigned long flags, char *bf, size_t size, bool show_prefix)
  28{
  29       return strarray__scnprintf_flags(&strarray__mmap_flags, bf, size, show_prefix, flags);
  30}
  31
  32static size_t syscall_arg__scnprintf_mmap_flags(char *bf, size_t size,
  33                                                struct syscall_arg *arg)
  34{
  35        unsigned long flags = arg->val;
  36
  37        if (flags & MAP_ANONYMOUS)
  38                arg->mask |= (1 << 4) | (1 << 5); /* Mask 4th ('fd') and 5th ('offset') args, ignored */
  39
  40        return mmap__scnprintf_flags(flags, bf, size, arg->show_string_prefix);
  41}
  42
  43#define SCA_MMAP_FLAGS syscall_arg__scnprintf_mmap_flags
  44
  45#include "trace/beauty/generated/mremap_flags_array.c"
  46static DEFINE_STRARRAY(mremap_flags, "MREMAP_");
  47
  48static size_t mremap__scnprintf_flags(unsigned long flags, char *bf, size_t size, bool show_prefix)
  49{
  50       return strarray__scnprintf_flags(&strarray__mremap_flags, bf, size, show_prefix, flags);
  51}
  52
  53static size_t syscall_arg__scnprintf_mremap_flags(char *bf, size_t size, struct syscall_arg *arg)
  54{
  55        unsigned long flags = arg->val;
  56
  57        if (!(flags & MREMAP_FIXED))
  58                arg->mask |=  (1 << 5); /* Mask 5th ('new_address') args, ignored */
  59
  60        return mremap__scnprintf_flags(flags, bf, size, arg->show_string_prefix);
  61}
  62
  63#define SCA_MREMAP_FLAGS syscall_arg__scnprintf_mremap_flags
  64
  65static size_t madvise__scnprintf_behavior(int behavior, char *bf, size_t size)
  66{
  67#include "trace/beauty/generated/madvise_behavior_array.c"
  68       static DEFINE_STRARRAY(madvise_advices, "MADV_");
  69
  70       if (behavior < strarray__madvise_advices.nr_entries && strarray__madvise_advices.entries[behavior] != NULL)
  71               return scnprintf(bf, size, "MADV_%s", strarray__madvise_advices.entries[behavior]);
  72
  73       return scnprintf(bf, size, "%#", behavior);
  74}
  75
  76static size_t syscall_arg__scnprintf_madvise_behavior(char *bf, size_t size,
  77                                                      struct syscall_arg *arg)
  78{
  79        return madvise__scnprintf_behavior(arg->val, bf, size);
  80}
  81
  82#define SCA_MADV_BHV syscall_arg__scnprintf_madvise_behavior
  83