122 lines
3.1 KiB
C
122 lines
3.1 KiB
C
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// SPDX-License-Identifier: GPL-2.0
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#include <uapi/linux/mman.h>
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static size_t syscall_arg__scnprintf_mmap_prot(char *bf, size_t size,
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struct syscall_arg *arg)
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{
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int printed = 0, prot = arg->val;
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if (prot == PROT_NONE)
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return scnprintf(bf, size, "NONE");
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#define P_MMAP_PROT(n) \
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if (prot & PROT_##n) { \
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printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "|" : "", #n); \
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prot &= ~PROT_##n; \
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}
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P_MMAP_PROT(EXEC);
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P_MMAP_PROT(READ);
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P_MMAP_PROT(WRITE);
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P_MMAP_PROT(SEM);
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P_MMAP_PROT(GROWSDOWN);
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P_MMAP_PROT(GROWSUP);
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#undef P_MMAP_PROT
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if (prot)
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printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "|" : "", prot);
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return printed;
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}
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#define SCA_MMAP_PROT syscall_arg__scnprintf_mmap_prot
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static size_t syscall_arg__scnprintf_mmap_flags(char *bf, size_t size,
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struct syscall_arg *arg)
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{
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int printed = 0, flags = arg->val;
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if (flags & MAP_ANONYMOUS)
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arg->mask |= (1 << 4) | (1 << 5); /* Mask 4th ('fd') and 5th ('offset') args, ignored */
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#define P_MMAP_FLAG(n) \
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if (flags & MAP_##n) { \
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printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "|" : "", #n); \
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flags &= ~MAP_##n; \
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}
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P_MMAP_FLAG(SHARED);
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P_MMAP_FLAG(PRIVATE);
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#ifdef MAP_32BIT
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P_MMAP_FLAG(32BIT);
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#endif
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P_MMAP_FLAG(ANONYMOUS);
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P_MMAP_FLAG(DENYWRITE);
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P_MMAP_FLAG(EXECUTABLE);
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P_MMAP_FLAG(FILE);
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P_MMAP_FLAG(FIXED);
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#ifdef MAP_FIXED_NOREPLACE
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P_MMAP_FLAG(FIXED_NOREPLACE);
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#endif
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P_MMAP_FLAG(GROWSDOWN);
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P_MMAP_FLAG(HUGETLB);
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P_MMAP_FLAG(LOCKED);
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P_MMAP_FLAG(NONBLOCK);
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P_MMAP_FLAG(NORESERVE);
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P_MMAP_FLAG(POPULATE);
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P_MMAP_FLAG(STACK);
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P_MMAP_FLAG(UNINITIALIZED);
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#ifdef MAP_SYNC
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P_MMAP_FLAG(SYNC);
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#endif
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#undef P_MMAP_FLAG
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if (flags)
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printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "|" : "", flags);
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return printed;
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}
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#define SCA_MMAP_FLAGS syscall_arg__scnprintf_mmap_flags
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static size_t syscall_arg__scnprintf_mremap_flags(char *bf, size_t size,
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struct syscall_arg *arg)
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{
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int printed = 0, flags = arg->val;
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#define P_MREMAP_FLAG(n) \
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if (flags & MREMAP_##n) { \
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printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "|" : "", #n); \
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flags &= ~MREMAP_##n; \
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}
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P_MREMAP_FLAG(MAYMOVE);
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P_MREMAP_FLAG(FIXED);
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#undef P_MREMAP_FLAG
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if (flags)
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printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "|" : "", flags);
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return printed;
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}
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#define SCA_MREMAP_FLAGS syscall_arg__scnprintf_mremap_flags
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static size_t madvise__scnprintf_behavior(int behavior, char *bf, size_t size)
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{
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#include "trace/beauty/generated/madvise_behavior_array.c"
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static DEFINE_STRARRAY(madvise_advices);
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if (behavior < strarray__madvise_advices.nr_entries && strarray__madvise_advices.entries[behavior] != NULL)
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return scnprintf(bf, size, "MADV_%s", strarray__madvise_advices.entries[behavior]);
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return scnprintf(bf, size, "%#", behavior);
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}
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static size_t syscall_arg__scnprintf_madvise_behavior(char *bf, size_t size,
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struct syscall_arg *arg)
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{
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return madvise__scnprintf_behavior(arg->val, bf, size);
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}
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#define SCA_MADV_BHV syscall_arg__scnprintf_madvise_behavior
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