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-rw-r--r--tools/perf/trace/beauty/open_flags.c88
1 files changed, 88 insertions, 0 deletions
diff --git a/tools/perf/trace/beauty/open_flags.c b/tools/perf/trace/beauty/open_flags.c
new file mode 100644
index 000000000..78f6566ef
--- /dev/null
+++ b/tools/perf/trace/beauty/open_flags.c
@@ -0,0 +1,88 @@
+// SPDX-License-Identifier: LGPL-2.1
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+
+#ifndef O_DIRECT
+#define O_DIRECT 00040000
+#endif
+
+#ifndef O_DIRECTORY
+#define O_DIRECTORY 00200000
+#endif
+
+#ifndef O_NOATIME
+#define O_NOATIME 01000000
+#endif
+
+#ifndef O_TMPFILE
+#define O_TMPFILE 020000000
+#endif
+
+#undef O_LARGEFILE
+#define O_LARGEFILE 00100000
+
+size_t open__scnprintf_flags(unsigned long flags, char *bf, size_t size, bool show_prefix)
+{
+ const char *prefix = "O_";
+ int printed = 0;
+
+ if ((flags & O_ACCMODE) == O_RDONLY)
+ printed = scnprintf(bf, size, "%s%s", show_prefix ? prefix : "", "RDONLY");
+ if (flags == 0)
+ return printed;
+#define P_FLAG(n) \
+ if (flags & O_##n) { \
+ printed += scnprintf(bf + printed, size - printed, "%s%s%s", printed ? "|" : "", show_prefix ? prefix : "", #n); \
+ flags &= ~O_##n; \
+ }
+
+ P_FLAG(RDWR);
+ P_FLAG(APPEND);
+ P_FLAG(ASYNC);
+ P_FLAG(CLOEXEC);
+ P_FLAG(CREAT);
+ P_FLAG(DIRECT);
+ P_FLAG(DIRECTORY);
+ P_FLAG(EXCL);
+ P_FLAG(LARGEFILE);
+ P_FLAG(NOFOLLOW);
+ P_FLAG(TMPFILE);
+ P_FLAG(NOATIME);
+ P_FLAG(NOCTTY);
+#ifdef O_NONBLOCK
+ P_FLAG(NONBLOCK);
+#elif O_NDELAY
+ P_FLAG(NDELAY);
+#endif
+#ifdef O_PATH
+ P_FLAG(PATH);
+#endif
+#ifdef O_DSYNC
+ if ((flags & O_SYNC) == O_SYNC)
+ printed += scnprintf(bf + printed, size - printed, "%s%s%s", printed ? "|" : "", show_prefix ? prefix : "", "SYNC");
+ else {
+ P_FLAG(DSYNC);
+ }
+#else
+ P_FLAG(SYNC);
+#endif
+ P_FLAG(TRUNC);
+ P_FLAG(WRONLY);
+#undef P_FLAG
+
+ if (flags)
+ printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "|" : "", flags);
+
+ return printed;
+}
+
+size_t syscall_arg__scnprintf_open_flags(char *bf, size_t size, struct syscall_arg *arg)
+{
+ int flags = arg->val;
+
+ if (!(flags & O_CREAT))
+ arg->mask |= 1 << (arg->idx + 1); /* Mask the mode parm */
+
+ return open__scnprintf_flags(flags, bf, size, arg->show_string_prefix);
+}