linux/tools/perf/trace/beauty/mmap.c
Jiri Olsa 2bd42f3aaa perf trace: Check if MAP_32BIT is defined (again)
There might be systems where MAP_32BIT is not defined, like some some
RHEL7 powerpc versions.

Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Cc: David Ahern <dsahern@gmail.com>
Cc: Kyle McMartin <kyle@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Fixes: 256763b017 ("perf trace beauty mmap: Add more conditional defines")
Link: http://lkml.kernel.org/r/1481831814-23683-1-git-send-email-jolsa@kernel.org
[ Changed the Fixme cset to the one removing the conditional switch case for MAP_32BIT ]
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2016-12-20 09:37:40 -03:00

126 lines
2.9 KiB
C

#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;
#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