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// 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(EXEC);
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 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
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