trace/beauty/mmap.c

0001 // SPDX-License-Identifier: LGPL-2.1
0002 #include <linux/log2.h>
0003
0004 #include "trace/beauty/generated/mmap_prot_array.c"
0005 static DEFINE_STRARRAY(mmap_prot, "PROT_");
0006
0007 static size_t mmap__scnprintf_prot(unsigned long prot, char *bf, size_t size, bool show_prefix)
0008 {
0009        return strarray__scnprintf_flags(&strarray__mmap_prot, bf, size, show_prefix, prot);
0010 }
0011
0012 static size_t syscall_arg__scnprintf_mmap_prot(char *bf, size_t size, struct syscall_arg *arg)
0013 {
0014     unsigned long prot = arg->val;
0015
0016     if (prot == 0)
0017         return scnprintf(bf, size, "%sNONE", arg->show_string_prefix ? strarray__mmap_prot.prefix : "");
0018
0019     return mmap__scnprintf_prot(prot, bf, size, arg->show_string_prefix);
0020 }
0021
0022 #define SCA_MMAP_PROT syscall_arg__scnprintf_mmap_prot
0023
0024 #include "trace/beauty/generated/mmap_flags_array.c"
0025 static DEFINE_STRARRAY(mmap_flags, "MAP_");
0026
0027 static size_t mmap__scnprintf_flags(unsigned long flags, char *bf, size_t size, bool show_prefix)
0028 {
0029        return strarray__scnprintf_flags(&strarray__mmap_flags, bf, size, show_prefix, flags);
0030 }
0031
0032 static size_t syscall_arg__scnprintf_mmap_flags(char *bf, size_t size,
0033                         struct syscall_arg *arg)
0034 {
0035     unsigned long flags = arg->val;
0036
0037     if (flags & MAP_ANONYMOUS)
0038         arg->mask |= (1 << 4) | (1 << 5); /* Mask 4th ('fd') and 5th ('offset') args, ignored */
0039
0040     return mmap__scnprintf_flags(flags, bf, size, arg->show_string_prefix);
0041 }
0042
0043 #define SCA_MMAP_FLAGS syscall_arg__scnprintf_mmap_flags
0044
0045 #include "trace/beauty/generated/mremap_flags_array.c"
0046 static DEFINE_STRARRAY(mremap_flags, "MREMAP_");
0047
0048 static size_t mremap__scnprintf_flags(unsigned long flags, char *bf, size_t size, bool show_prefix)
0049 {
0050        return strarray__scnprintf_flags(&strarray__mremap_flags, bf, size, show_prefix, flags);
0051 }
0052
0053 static size_t syscall_arg__scnprintf_mremap_flags(char *bf, size_t size, struct syscall_arg *arg)
0054 {
0055     unsigned long flags = arg->val;
0056
0057     if (!(flags & MREMAP_FIXED))
0058         arg->mask |=  (1 << 5); /* Mask 5th ('new_address') args, ignored */
0059
0060     return mremap__scnprintf_flags(flags, bf, size, arg->show_string_prefix);
0061 }
0062
0063 #define SCA_MREMAP_FLAGS syscall_arg__scnprintf_mremap_flags
0064
0065 static size_t madvise__scnprintf_behavior(int behavior, char *bf, size_t size)
0066 {
0067 #include "trace/beauty/generated/madvise_behavior_array.c"
0068        static DEFINE_STRARRAY(madvise_advices, "MADV_");
0069
0070        if (behavior < strarray__madvise_advices.nr_entries && strarray__madvise_advices.entries[behavior] != NULL)
0071                return scnprintf(bf, size, "MADV_%s", strarray__madvise_advices.entries[behavior]);
0072
0073        return scnprintf(bf, size, "%#", behavior);
0074 }
0075
0076 static size_t syscall_arg__scnprintf_madvise_behavior(char *bf, size_t size,
0077                               struct syscall_arg *arg)
0078 {
0079     return madvise__scnprintf_behavior(arg->val, bf, size);
0080 }
0081
0082 #define SCA_MADV_BHV syscall_arg__scnprintf_madvise_behavior