cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
Log | Files | Refs | README | LICENSE | sfeed.txt

mmap.c (2801B)

      1// SPDX-License-Identifier: LGPL-2.1
      2#include <linux/log2.h>
      3
      4#include "trace/beauty/generated/mmap_prot_array.c"
      5static DEFINE_STRARRAY(mmap_prot, "PROT_");
      6
      7static size_t mmap__scnprintf_prot(unsigned long prot, char *bf, size_t size, bool show_prefix)
      8{
      9       return strarray__scnprintf_flags(&strarray__mmap_prot, bf, size, show_prefix, prot);
     10}
     11
     12static size_t syscall_arg__scnprintf_mmap_prot(char *bf, size_t size, struct syscall_arg *arg)
     13{
     14	unsigned long prot = arg->val;
     15
     16	if (prot == 0)
     17		return scnprintf(bf, size, "%sNONE", arg->show_string_prefix ? strarray__mmap_prot.prefix : "");
     18
     19	return mmap__scnprintf_prot(prot, bf, size, arg->show_string_prefix);
     20}
     21
     22#define SCA_MMAP_PROT syscall_arg__scnprintf_mmap_prot
     23
     24#include "trace/beauty/generated/mmap_flags_array.c"
     25static DEFINE_STRARRAY(mmap_flags, "MAP_");
     26
     27static size_t mmap__scnprintf_flags(unsigned long flags, char *bf, size_t size, bool show_prefix)
     28{
     29       return strarray__scnprintf_flags(&strarray__mmap_flags, bf, size, show_prefix, flags);
     30}
     31
     32static size_t syscall_arg__scnprintf_mmap_flags(char *bf, size_t size,
     33						struct syscall_arg *arg)
     34{
     35	unsigned long flags = arg->val;
     36
     37	if (flags & MAP_ANONYMOUS)
     38		arg->mask |= (1 << 4) | (1 << 5); /* Mask 4th ('fd') and 5th ('offset') args, ignored */
     39
     40	return mmap__scnprintf_flags(flags, bf, size, arg->show_string_prefix);
     41}
     42
     43#define SCA_MMAP_FLAGS syscall_arg__scnprintf_mmap_flags
     44
     45#include "trace/beauty/generated/mremap_flags_array.c"
     46static DEFINE_STRARRAY(mremap_flags, "MREMAP_");
     47
     48static size_t mremap__scnprintf_flags(unsigned long flags, char *bf, size_t size, bool show_prefix)
     49{
     50       return strarray__scnprintf_flags(&strarray__mremap_flags, bf, size, show_prefix, flags);
     51}
     52
     53static size_t syscall_arg__scnprintf_mremap_flags(char *bf, size_t size, struct syscall_arg *arg)
     54{
     55	unsigned long flags = arg->val;
     56
     57	if (!(flags & MREMAP_FIXED))
     58		arg->mask |=  (1 << 5); /* Mask 5th ('new_address') args, ignored */
     59
     60	return mremap__scnprintf_flags(flags, bf, size, arg->show_string_prefix);
     61}
     62
     63#define SCA_MREMAP_FLAGS syscall_arg__scnprintf_mremap_flags
     64
     65static size_t madvise__scnprintf_behavior(int behavior, char *bf, size_t size)
     66{
     67#include "trace/beauty/generated/madvise_behavior_array.c"
     68       static DEFINE_STRARRAY(madvise_advices, "MADV_");
     69
     70       if (behavior < strarray__madvise_advices.nr_entries && strarray__madvise_advices.entries[behavior] != NULL)
     71               return scnprintf(bf, size, "MADV_%s", strarray__madvise_advices.entries[behavior]);
     72
     73       return scnprintf(bf, size, "%#", behavior);
     74}
     75
     76static size_t syscall_arg__scnprintf_madvise_behavior(char *bf, size_t size,
     77						      struct syscall_arg *arg)
     78{
     79	return madvise__scnprintf_behavior(arg->val, bf, size);
     80}
     81
     82#define SCA_MADV_BHV syscall_arg__scnprintf_madvise_behavior