[mirror_ubuntu-bionic-kernel.git] / tools / perf / trace / beauty / mmap.c

// 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);
#ifdef MAP_SYNC
	P_MMAP_FLAG(SYNC);
#endif
#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 madvise__scnprintf_behavior(int behavior, char *bf, size_t size)
{
#include "trace/beauty/generated/madvise_behavior_array.c"
       static DEFINE_STRARRAY(madvise_advices);

       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
Commit	Line	Data
b2441318	1	// SPDX-License-Identifier: GPL-2.0
277cf08f	2	#include <uapi/linux/mman.h>
256763b0	3
df4cb167 ACM	4	static size_t syscall_arg__scnprintf_mmap_prot(char *bf, size_t size,
	5	struct syscall_arg *arg)
	6	{
	7	int printed = 0, prot = arg->val;
	8
	9	if (prot == PROT_NONE)
	10	return scnprintf(bf, size, "NONE");
	11	#define P_MMAP_PROT(n) \
	12	if (prot & PROT_##n) { \
	13	printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "\|" : "", #n); \
	14	prot &= ~PROT_##n; \
	15	}
	16
	17	P_MMAP_PROT(EXEC);
	18	P_MMAP_PROT(READ);
	19	P_MMAP_PROT(WRITE);
df4cb167	20	P_MMAP_PROT(SEM);
df4cb167 ACM	21	P_MMAP_PROT(GROWSDOWN);
	22	P_MMAP_PROT(GROWSUP);
	23	#undef P_MMAP_PROT
	24
	25	if (prot)
	26	printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "\|" : "", prot);
	27
	28	return printed;
	29	}
	30
	31	#define SCA_MMAP_PROT syscall_arg__scnprintf_mmap_prot
	32
df4cb167 ACM	33	static size_t syscall_arg__scnprintf_mmap_flags(char *bf, size_t size,
	34	struct syscall_arg *arg)
	35	{
	36	int printed = 0, flags = arg->val;
	37
d57da8c9 ACM	38	if (flags & MAP_ANONYMOUS)
	39	arg->mask \|= (1 << 4) \| (1 << 5); /* Mask 4th ('fd') and 5th ('offset') args, ignored */
	40
df4cb167 ACM	41	#define P_MMAP_FLAG(n) \
	42	if (flags & MAP_##n) { \
	43	printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "\|" : "", #n); \
	44	flags &= ~MAP_##n; \
	45	}
	46
	47	P_MMAP_FLAG(SHARED);
	48	P_MMAP_FLAG(PRIVATE);
2bd42f3a	49	#ifdef MAP_32BIT
df4cb167	50	P_MMAP_FLAG(32BIT);
2bd42f3a	51	#endif
df4cb167 ACM	52	P_MMAP_FLAG(ANONYMOUS);
	53	P_MMAP_FLAG(DENYWRITE);
	54	P_MMAP_FLAG(EXECUTABLE);
	55	P_MMAP_FLAG(FILE);
	56	P_MMAP_FLAG(FIXED);
	57	P_MMAP_FLAG(GROWSDOWN);
df4cb167	58	P_MMAP_FLAG(HUGETLB);
df4cb167 ACM	59	P_MMAP_FLAG(LOCKED);
	60	P_MMAP_FLAG(NONBLOCK);
	61	P_MMAP_FLAG(NORESERVE);
	62	P_MMAP_FLAG(POPULATE);
	63	P_MMAP_FLAG(STACK);
df4cb167	64	P_MMAP_FLAG(UNINITIALIZED);
1b3b5219 ACM	65	#ifdef MAP_SYNC
	66	P_MMAP_FLAG(SYNC);
	67	#endif
df4cb167 ACM	68	#undef P_MMAP_FLAG
	69
	70	if (flags)
	71	printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "\|" : "", flags);
	72
	73	return printed;
	74	}
	75
	76	#define SCA_MMAP_FLAGS syscall_arg__scnprintf_mmap_flags
	77
	78	static size_t syscall_arg__scnprintf_mremap_flags(char *bf, size_t size,
	79	struct syscall_arg *arg)
	80	{
	81	int printed = 0, flags = arg->val;
	82
	83	#define P_MREMAP_FLAG(n) \
	84	if (flags & MREMAP_##n) { \
	85	printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "\|" : "", #n); \
	86	flags &= ~MREMAP_##n; \
	87	}
	88
	89	P_MREMAP_FLAG(MAYMOVE);
df4cb167	90	P_MREMAP_FLAG(FIXED);
df4cb167 ACM	91	#undef P_MREMAP_FLAG
	92
	93	if (flags)
	94	printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "\|" : "", flags);
	95
	96	return printed;
	97	}
	98
	99	#define SCA_MREMAP_FLAGS syscall_arg__scnprintf_mremap_flags
	100
5a54c2f5 ACM	101	static size_t madvise__scnprintf_behavior(int behavior, char *bf, size_t size)
	102	{
	103	#include "trace/beauty/generated/madvise_behavior_array.c"
	104	static DEFINE_STRARRAY(madvise_advices);
	105
	106	if (behavior < strarray__madvise_advices.nr_entries && strarray__madvise_advices.entries[behavior] != NULL)
	107	return scnprintf(bf, size, "MADV_%s", strarray__madvise_advices.entries[behavior]);
	108
	109	return scnprintf(bf, size, "%#", behavior);
	110	}
	111
df4cb167 ACM	112	static size_t syscall_arg__scnprintf_madvise_behavior(char *bf, size_t size,
	113	struct syscall_arg *arg)
	114	{
5a54c2f5	115	return madvise__scnprintf_behavior(arg->val, bf, size);
df4cb167 ACM	116	}
	117
	118	#define SCA_MADV_BHV syscall_arg__scnprintf_madvise_behavior