xref: /linux/tools/perf/trace/beauty/mmap.c (revision 8e07e0e3964ca4e23ce7b68e2096fe660a888942)
1 // SPDX-License-Identifier: LGPL-2.1
2 #include <linux/log2.h>
3 
4 #include "trace/beauty/generated/mmap_prot_array.c"
5 static DEFINE_STRARRAY(mmap_prot, "PROT_");
6 
7 static 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 
12 static 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"
25 static DEFINE_STRARRAY(mmap_flags, "MAP_");
26 
27 static 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 
32 static 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"
46 static DEFINE_STRARRAY(mremap_flags, "MREMAP_");
47 
48 static 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 
53 static 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 
65 static 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 
76 static 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