// SPDX-License-Identifier: LGPL-2.1 #include <uapi/linux/mman.h> #include <linux/log2.h> static size_t syscall_arg__scnprintf_mmap_prot(char *bf, size_t size, struct syscall_arg *arg) { const char *prot_prefix = "PROT_"; int printed = 0, prot = arg->val; bool show_prefix = arg->show_string_prefix; if (prot == PROT_NONE) return scnprintf(bf, size, "%sNONE", show_prefix ? prot_prefix : ""); #define P_MMAP_PROT(n) \ if (prot & PROT_##n) { \ printed += scnprintf(bf + printed, size - printed, "%s%s%s", printed ? "|" : "", show_prefix ? prot_prefix :"", #n); \ prot &= ~PROT_##n; \ } P_MMAP_PROT(READ); P_MMAP_PROT(WRITE); P_MMAP_PROT(EXEC); P_MMAP_PROT(SEM); P_MMAP_PROT(GROWSDOWN); P_MMAP_PROT(GROWSUP); #undef P_MMAP_PROT if (prot) printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "|" : "", prot); return printed; } #define SCA_MMAP_PROT syscall_arg__scnprintf_mmap_prot static size_t mmap__scnprintf_flags(unsigned long flags, char *bf, size_t size, bool show_prefix) { #include "trace/beauty/generated/mmap_flags_array.c" static DEFINE_STRARRAY(mmap_flags, "MAP_"); return strarray__scnprintf_flags(&strarray__mmap_flags, bf, size, show_prefix, flags); } static size_t syscall_arg__scnprintf_mmap_flags(char *bf, size_t size, struct syscall_arg *arg) { unsigned long flags = arg->val; if (flags & MAP_ANONYMOUS) arg->mask |= (1 << 4) | (1 << 5); /* Mask 4th ('fd') and 5th ('offset') args, ignored */ return mmap__scnprintf_flags(flags, bf, size, arg->show_string_prefix); } #define SCA_MMAP_FLAGS syscall_arg__scnprintf_mmap_flags static size_t syscall_arg__scnprintf_mremap_flags(char *bf, size_t size, struct syscall_arg *arg) { const char *flags_prefix = "MREMAP_"; bool show_prefix = arg->show_string_prefix; int printed = 0, flags = arg->val; #define P_MREMAP_FLAG(n) \ if (flags & MREMAP_##n) { \ printed += scnprintf(bf + printed, size - printed, "%s%s%s", printed ? "|" : "", show_prefix ? flags_prefix : "", #n); \ flags &= ~MREMAP_##n; \ } P_MREMAP_FLAG(MAYMOVE); P_MREMAP_FLAG(FIXED); #undef P_MREMAP_FLAG if (flags) printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "|" : "", flags); return printed; } #define SCA_MREMAP_FLAGS syscall_arg__scnprintf_mremap_flags static size_t madvise__scnprintf_behavior(int behavior, char *bf, size_t size) { #include "trace/beauty/generated/madvise_behavior_array.c" static DEFINE_STRARRAY(madvise_advices, "MADV_"); if (behavior < strarray__madvise_advices.nr_entries && strarray__madvise_advices.entries[behavior] != NULL) return scnprintf(bf, size, "MADV_%s", strarray__madvise_advices.entries[behavior]); return scnprintf(bf, size, "%#", behavior); } static size_t syscall_arg__scnprintf_madvise_behavior(char *bf, size_t size, struct syscall_arg *arg) { return madvise__scnprintf_behavior(arg->val, bf, size); } #define SCA_MADV_BHV syscall_arg__scnprintf_madvise_behavior |