summaryrefslogtreecommitdiffstats
path: root/tools/perf/trace/beauty/mmap.c
diff options
context:
space:
mode:
Diffstat (limited to 'tools/perf/trace/beauty/mmap.c')
-rw-r--r--tools/perf/trace/beauty/mmap.c121
1 files changed, 121 insertions, 0 deletions
diff --git a/tools/perf/trace/beauty/mmap.c b/tools/perf/trace/beauty/mmap.c
new file mode 100644
index 000000000..9f68077b2
--- /dev/null
+++ b/tools/perf/trace/beauty/mmap.c
@@ -0,0 +1,121 @@
+// 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);
+#ifdef MAP_FIXED_NOREPLACE
+ P_MMAP_FLAG(FIXED_NOREPLACE);
+#endif
+ 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