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// SPDX-License-Identifier: GPL-2.0
#include <uapi/linux/mman.h>
static size_t syscall_arg__scnprintf_mmap_prot(char *bf, size_t size,
struct syscall_arg *arg)
{
int printed = 0, prot = arg->val;
if (prot == PROT_NONE)
return scnprintf(bf, size, "NONE");
#define P_MMAP_PROT(n) \
if (prot & PROT_##n) { \
printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "|" : "", #n); \
prot &= ~PROT_##n; \
}
P_MMAP_PROT(EXEC);
P_MMAP_PROT(READ);
P_MMAP_PROT(WRITE);
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 syscall_arg__scnprintf_mmap_flags(char *bf, size_t size,
struct syscall_arg *arg)
{
int printed = 0, flags = arg->val;
if (flags & MAP_ANONYMOUS)
arg->mask |= (1 << 4) | (1 << 5); /* Mask 4th ('fd') and 5th ('offset') args, ignored */
#define P_MMAP_FLAG(n) \
if (flags & MAP_##n) { \
printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "|" : "", #n); \
flags &= ~MAP_##n; \
}
P_MMAP_FLAG(SHARED);
P_MMAP_FLAG(PRIVATE);
#ifdef MAP_32BIT
P_MMAP_FLAG(32BIT);
#endif
P_MMAP_FLAG(ANONYMOUS);
P_MMAP_FLAG(DENYWRITE);
P_MMAP_FLAG(EXECUTABLE);
P_MMAP_FLAG(FILE);
P_MMAP_FLAG(FIXED);
P_MMAP_FLAG(GROWSDOWN);
P_MMAP_FLAG(HUGETLB);
P_MMAP_FLAG(LOCKED);
P_MMAP_FLAG(NONBLOCK);
P_MMAP_FLAG(NORESERVE);
P_MMAP_FLAG(POPULATE);
P_MMAP_FLAG(STACK);
P_MMAP_FLAG(UNINITIALIZED);
#undef P_MMAP_FLAG
if (flags)
printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "|" : "", flags);
return printed;
}
#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)
{
int printed = 0, flags = arg->val;
#define P_MREMAP_FLAG(n) \
if (flags & MREMAP_##n) { \
printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "|" : "", #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 syscall_arg__scnprintf_madvise_behavior(char *bf, size_t size,
struct syscall_arg *arg)
{
int behavior = arg->val;
switch (behavior) {
#define P_MADV_BHV(n) case MADV_##n: return scnprintf(bf, size, #n)
P_MADV_BHV(NORMAL);
P_MADV_BHV(RANDOM);
P_MADV_BHV(SEQUENTIAL);
P_MADV_BHV(WILLNEED);
P_MADV_BHV(DONTNEED);
P_MADV_BHV(FREE);
P_MADV_BHV(REMOVE);
P_MADV_BHV(DONTFORK);
P_MADV_BHV(DOFORK);
P_MADV_BHV(HWPOISON);
P_MADV_BHV(SOFT_OFFLINE);
P_MADV_BHV(MERGEABLE);
P_MADV_BHV(UNMERGEABLE);
P_MADV_BHV(HUGEPAGE);
P_MADV_BHV(NOHUGEPAGE);
P_MADV_BHV(DONTDUMP);
P_MADV_BHV(DODUMP);
#undef P_MADV_BHV
default: break;
}
return scnprintf(bf, size, "%#x", behavior);
}
#define SCA_MADV_BHV syscall_arg__scnprintf_madvise_behavior
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