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b2441318 | 1 | // SPDX-License-Identifier: GPL-2.0 |
277cf08f | 2 | #include <uapi/linux/mman.h> |
256763b0 | 3 | |
df4cb167 ACM |
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); | |
df4cb167 | 20 | P_MMAP_PROT(SEM); |
df4cb167 ACM |
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 | ||
df4cb167 ACM |
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 | ||
d57da8c9 ACM |
38 | if (flags & MAP_ANONYMOUS) |
39 | arg->mask |= (1 << 4) | (1 << 5); /* Mask 4th ('fd') and 5th ('offset') args, ignored */ | |
40 | ||
df4cb167 ACM |
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); | |
2bd42f3a | 49 | #ifdef MAP_32BIT |
df4cb167 | 50 | P_MMAP_FLAG(32BIT); |
2bd42f3a | 51 | #endif |
df4cb167 ACM |
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 | P_MMAP_FLAG(GROWSDOWN); | |
df4cb167 | 58 | P_MMAP_FLAG(HUGETLB); |
df4cb167 ACM |
59 | P_MMAP_FLAG(LOCKED); |
60 | P_MMAP_FLAG(NONBLOCK); | |
61 | P_MMAP_FLAG(NORESERVE); | |
62 | P_MMAP_FLAG(POPULATE); | |
63 | P_MMAP_FLAG(STACK); | |
df4cb167 | 64 | P_MMAP_FLAG(UNINITIALIZED); |
df4cb167 ACM |
65 | #undef P_MMAP_FLAG |
66 | ||
67 | if (flags) | |
68 | printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "|" : "", flags); | |
69 | ||
70 | return printed; | |
71 | } | |
72 | ||
73 | #define SCA_MMAP_FLAGS syscall_arg__scnprintf_mmap_flags | |
74 | ||
75 | static size_t syscall_arg__scnprintf_mremap_flags(char *bf, size_t size, | |
76 | struct syscall_arg *arg) | |
77 | { | |
78 | int printed = 0, flags = arg->val; | |
79 | ||
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; \ | |
84 | } | |
85 | ||
86 | P_MREMAP_FLAG(MAYMOVE); | |
df4cb167 | 87 | P_MREMAP_FLAG(FIXED); |
df4cb167 ACM |
88 | #undef P_MREMAP_FLAG |
89 | ||
90 | if (flags) | |
91 | printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "|" : "", flags); | |
92 | ||
93 | return printed; | |
94 | } | |
95 | ||
96 | #define SCA_MREMAP_FLAGS syscall_arg__scnprintf_mremap_flags | |
97 | ||
df4cb167 ACM |
98 | static size_t syscall_arg__scnprintf_madvise_behavior(char *bf, size_t size, |
99 | struct syscall_arg *arg) | |
100 | { | |
101 | int behavior = arg->val; | |
102 | ||
103 | switch (behavior) { | |
104 | #define P_MADV_BHV(n) case MADV_##n: return scnprintf(bf, size, #n) | |
105 | P_MADV_BHV(NORMAL); | |
106 | P_MADV_BHV(RANDOM); | |
107 | P_MADV_BHV(SEQUENTIAL); | |
108 | P_MADV_BHV(WILLNEED); | |
109 | P_MADV_BHV(DONTNEED); | |
f752e90e | 110 | P_MADV_BHV(FREE); |
df4cb167 ACM |
111 | P_MADV_BHV(REMOVE); |
112 | P_MADV_BHV(DONTFORK); | |
113 | P_MADV_BHV(DOFORK); | |
114 | P_MADV_BHV(HWPOISON); | |
df4cb167 | 115 | P_MADV_BHV(SOFT_OFFLINE); |
df4cb167 ACM |
116 | P_MADV_BHV(MERGEABLE); |
117 | P_MADV_BHV(UNMERGEABLE); | |
df4cb167 | 118 | P_MADV_BHV(HUGEPAGE); |
df4cb167 | 119 | P_MADV_BHV(NOHUGEPAGE); |
df4cb167 | 120 | P_MADV_BHV(DONTDUMP); |
df4cb167 | 121 | P_MADV_BHV(DODUMP); |
256763b0 | 122 | #undef P_MADV_BHV |
df4cb167 ACM |
123 | default: break; |
124 | } | |
125 | ||
126 | return scnprintf(bf, size, "%#x", behavior); | |
127 | } | |
128 | ||
129 | #define SCA_MADV_BHV syscall_arg__scnprintf_madvise_behavior |