1 // SPDX-License-Identifier: GPL-2.0
2 #include <uapi/linux/mman.h>
3
syscall_arg__scnprintf_mmap_prot(char * bf,size_t size,struct syscall_arg * arg)4 static size_t syscall_arg__scnprintf_mmap_prot(char *bf, size_t size,
5 struct syscall_arg *arg)
6 {
7 int printed = 0, prot = arg->val;
8
9 if (prot == PROT_NONE)
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); \
14 prot &= ~PROT_##n; \
15 }
16
17 P_MMAP_PROT(EXEC);
18 P_MMAP_PROT(READ);
19 P_MMAP_PROT(WRITE);
20 P_MMAP_PROT(SEM);
21 P_MMAP_PROT(GROWSDOWN);
22 P_MMAP_PROT(GROWSUP);
23 #undef P_MMAP_PROT
24
25 if (prot)
26 printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "|" : "", prot);
27
28 return printed;
29 }
30
31 #define SCA_MMAP_PROT syscall_arg__scnprintf_mmap_prot
32
syscall_arg__scnprintf_mmap_flags(char * bf,size_t size,struct syscall_arg * arg)33 static size_t syscall_arg__scnprintf_mmap_flags(char *bf, size_t size,
34 struct syscall_arg *arg)
35 {
36 int printed = 0, flags = arg->val;
37
38 if (flags & MAP_ANONYMOUS)
39 arg->mask |= (1 << 4) | (1 << 5); /* Mask 4th ('fd') and 5th ('offset') args, ignored */
40
41 #define P_MMAP_FLAG(n) \
42 if (flags & MAP_##n) { \
43 printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "|" : "", #n); \
44 flags &= ~MAP_##n; \
45 }
46
47 P_MMAP_FLAG(SHARED);
48 P_MMAP_FLAG(PRIVATE);
49 #ifdef MAP_32BIT
50 P_MMAP_FLAG(32BIT);
51 #endif
52 P_MMAP_FLAG(ANONYMOUS);
53 P_MMAP_FLAG(DENYWRITE);
54 P_MMAP_FLAG(EXECUTABLE);
55 P_MMAP_FLAG(FILE);
56 P_MMAP_FLAG(FIXED);
57 #ifdef MAP_FIXED_NOREPLACE
58 P_MMAP_FLAG(FIXED_NOREPLACE);
59 #endif
60 P_MMAP_FLAG(GROWSDOWN);
61 P_MMAP_FLAG(HUGETLB);
62 P_MMAP_FLAG(LOCKED);
63 P_MMAP_FLAG(NONBLOCK);
64 P_MMAP_FLAG(NORESERVE);
65 P_MMAP_FLAG(POPULATE);
66 P_MMAP_FLAG(STACK);
67 P_MMAP_FLAG(UNINITIALIZED);
68 #ifdef MAP_SYNC
69 P_MMAP_FLAG(SYNC);
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
syscall_arg__scnprintf_mremap_flags(char * bf,size_t size,struct syscall_arg * arg)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 P_MREMAP_FLAG(FIXED);
94 #undef P_MREMAP_FLAG
95
96 if (flags)
97 printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "|" : "", flags);
98
99 return printed;
100 }
101
102 #define SCA_MREMAP_FLAGS syscall_arg__scnprintf_mremap_flags
103
madvise__scnprintf_behavior(int behavior,char * bf,size_t size)104 static size_t madvise__scnprintf_behavior(int behavior, char *bf, size_t size)
105 {
106 #include "trace/beauty/generated/madvise_behavior_array.c"
107 static DEFINE_STRARRAY(madvise_advices);
108
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]);
111
112 return scnprintf(bf, size, "%#", behavior);
113 }
114
syscall_arg__scnprintf_madvise_behavior(char * bf,size_t size,struct syscall_arg * arg)115 static size_t syscall_arg__scnprintf_madvise_behavior(char *bf, size_t size,
116 struct syscall_arg *arg)
117 {
118 return madvise__scnprintf_behavior(arg->val, bf, size);
119 }
120
121 #define SCA_MADV_BHV syscall_arg__scnprintf_madvise_behavior
122
