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 P_MMAP_FLAG(GROWSDOWN);
60 P_MMAP_FLAG(NONBLOCK);
61 P_MMAP_FLAG(NORESERVE);
62 P_MMAP_FLAG(POPULATE);
64 P_MMAP_FLAG(UNINITIALIZED);
68 printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "|" : "", flags);
73 #define SCA_MMAP_FLAGS syscall_arg__scnprintf_mmap_flags
75 static size_t syscall_arg__scnprintf_mremap_flags(char *bf, size_t size,
76 struct syscall_arg *arg)
78 int printed = 0, flags = arg->val;
80 #define P_MREMAP_FLAG(n) \
81 if (flags & MREMAP_##n) { \
82 printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "|" : "", #n); \
83 flags &= ~MREMAP_##n; \
86 P_MREMAP_FLAG(MAYMOVE);
91 printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "|" : "", flags);
96 #define SCA_MREMAP_FLAGS syscall_arg__scnprintf_mremap_flags
98 static size_t syscall_arg__scnprintf_madvise_behavior(char *bf, size_t size,
99 struct syscall_arg *arg)
101 int behavior = arg->val;
104 #define P_MADV_BHV(n) case MADV_##n: return scnprintf(bf, size, #n)
107 P_MADV_BHV(SEQUENTIAL);
108 P_MADV_BHV(WILLNEED);
109 P_MADV_BHV(DONTNEED);
112 P_MADV_BHV(DONTFORK);
114 P_MADV_BHV(HWPOISON);
115 P_MADV_BHV(SOFT_OFFLINE);
116 P_MADV_BHV(MERGEABLE);
117 P_MADV_BHV(UNMERGEABLE);
118 P_MADV_BHV(HUGEPAGE);
119 P_MADV_BHV(NOHUGEPAGE);
120 P_MADV_BHV(DONTDUMP);
126 return scnprintf(bf, size, "%#x", behavior);
129 #define SCA_MADV_BHV syscall_arg__scnprintf_madvise_behavior