1 // SPDX-License-Identifier: GPL-2.0
2 #include <uapi/linux/mman.h>
4 static size_t syscall_arg__scnprintf_mmap_prot(char *bf, size_t size,
5 struct syscall_arg *arg)
7 int printed = 0, prot = arg->val;
10 return scnprintf(bf, size, "NONE");
11 #define P_MMAP_PROT(n) \
12 if (prot & PROT_##n) { \
13 printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "|" : "", #n); \
21 P_MMAP_PROT(GROWSDOWN);
26 printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "|" : "", prot);
31 #define SCA_MMAP_PROT syscall_arg__scnprintf_mmap_prot
33 static size_t syscall_arg__scnprintf_mmap_flags(char *bf, size_t size,
34 struct syscall_arg *arg)
36 int printed = 0, flags = arg->val;
38 if (flags & MAP_ANONYMOUS)
39 arg->mask |= (1 << 4) | (1 << 5); /* Mask 4th ('fd') and 5th ('offset') args, ignored */
41 #define P_MMAP_FLAG(n) \
42 if (flags & MAP_##n) { \
43 printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "|" : "", #n); \
52 P_MMAP_FLAG(ANONYMOUS);
53 P_MMAP_FLAG(DENYWRITE);
54 P_MMAP_FLAG(EXECUTABLE);
57 #ifdef MAP_FIXED_NOREPLACE
58 P_MMAP_FLAG(FIXED_NOREPLACE);
60 P_MMAP_FLAG(GROWSDOWN);
63 P_MMAP_FLAG(NONBLOCK);
64 P_MMAP_FLAG(NORESERVE);
65 P_MMAP_FLAG(POPULATE);
67 P_MMAP_FLAG(UNINITIALIZED);
74 printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "|" : "", flags);
79 #define SCA_MMAP_FLAGS syscall_arg__scnprintf_mmap_flags
81 static size_t syscall_arg__scnprintf_mremap_flags(char *bf, size_t size,
82 struct syscall_arg *arg)
84 int printed = 0, flags = arg->val;
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; \
92 P_MREMAP_FLAG(MAYMOVE);
97 printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "|" : "", flags);
102 #define SCA_MREMAP_FLAGS syscall_arg__scnprintf_mremap_flags
104 static size_t madvise__scnprintf_behavior(int behavior, char *bf, size_t size)
106 #include "trace/beauty/generated/madvise_behavior_array.c"
107 static DEFINE_STRARRAY(madvise_advices);
109 if (behavior < strarray__madvise_advices.nr_entries && strarray__madvise_advices.entries[behavior] != NULL)
110 return scnprintf(bf, size, "MADV_%s", strarray__madvise_advices.entries[behavior]);
112 return scnprintf(bf, size, "%#", behavior);
115 static size_t syscall_arg__scnprintf_madvise_behavior(char *bf, size_t size,
116 struct syscall_arg *arg)
118 return madvise__scnprintf_behavior(arg->val, bf, size);
121 #define SCA_MADV_BHV syscall_arg__scnprintf_madvise_behavior