Merge remote-tracking branch 'tip/auto-latest'

[karo-tx-linux.git] / tools / perf / util / jitdump.h

diff --git a/tools/perf/util/jitdump.h b/tools/perf/util/jitdump.h
new file mode 100644 (file)
index 0000000..b66c1f5
--- /dev/null
+++ b/tools/perf/util/jitdump.h
@@ -0,0 +1,124 @@
+/*
+ * jitdump.h: jitted code info encapsulation file format
+ *
+ * Adapted from OProfile GPLv2 support jidump.h:
+ * Copyright 2007 OProfile authors
+ * Jens Wilke
+ * Daniel Hansel
+ * Copyright IBM Corporation 2007
+ */
+#ifndef JITDUMP_H
+#define JITDUMP_H
+
+#include <sys/time.h>
+#include <time.h>
+#include <stdint.h>
+
+/* JiTD */
+#define JITHEADER_MAGIC                0x4A695444
+#define JITHEADER_MAGIC_SW     0x4454694A
+
+#define PADDING_8ALIGNED(x) ((((x) + 7) & 7) ^ 7)
+
+#define JITHEADER_VERSION 1
+
+enum jitdump_flags_bits {
+       JITDUMP_FLAGS_MAX_BIT,
+};
+
+#define JITDUMP_FLAGS_RESERVED (JITDUMP_FLAGS_MAX_BIT < 64 ? \
+                               (~((1ULL << JITDUMP_FLAGS_MAX_BIT) - 1)) : 0)
+
+struct jitheader {
+       uint32_t magic;         /* characters "jItD" */
+       uint32_t version;       /* header version */
+       uint32_t total_size;    /* total size of header */
+       uint32_t elf_mach;      /* elf mach target */
+       uint32_t pad1;          /* reserved */
+       uint32_t pid;           /* JIT process id */
+       uint64_t timestamp;     /* timestamp */
+       uint64_t flags;         /* flags */
+};
+
+enum jit_record_type {
+       JIT_CODE_LOAD           = 0,
+        JIT_CODE_MOVE           = 1,
+       JIT_CODE_DEBUG_INFO     = 2,
+       JIT_CODE_CLOSE          = 3,
+
+       JIT_CODE_MAX,
+};
+
+/* record prefix (mandatory in each record) */
+struct jr_prefix {
+       uint32_t id;
+       uint32_t total_size;
+       uint64_t timestamp;
+};
+
+struct jr_code_load {
+       struct jr_prefix p;
+
+       uint32_t pid;
+       uint32_t tid;
+       uint64_t vma;
+       uint64_t code_addr;
+       uint64_t code_size;
+       uint64_t code_index;
+};
+
+struct jr_code_close {
+       struct jr_prefix p;
+};
+
+struct jr_code_move {
+       struct jr_prefix p;
+
+       uint32_t pid;
+       uint32_t tid;
+       uint64_t vma;
+       uint64_t old_code_addr;
+       uint64_t new_code_addr;
+       uint64_t code_size;
+       uint64_t code_index;
+};
+
+struct debug_entry {
+       uint64_t addr;
+       int lineno;         /* source line number starting at 1 */
+       int discrim;        /* column discriminator, 0 is default */
+       const char name[0]; /* null terminated filename, \xff\0 if same as previous entry */
+};
+
+struct jr_code_debug_info {
+       struct jr_prefix p;
+
+       uint64_t code_addr;
+       uint64_t nr_entry;
+       struct debug_entry entries[0];
+};
+
+union jr_entry {
+        struct jr_code_debug_info info;
+        struct jr_code_close close;
+        struct jr_code_load load;
+        struct jr_code_move move;
+        struct jr_prefix prefix;
+};
+
+static inline struct debug_entry *
+debug_entry_next(struct debug_entry *ent)
+{
+       void *a = ent + 1;
+       size_t l = strlen(ent->name) + 1;
+       return a + l;
+}
+
+static inline char *
+debug_entry_file(struct debug_entry *ent)
+{
+       void *a = ent + 1;
+       return a;
+}
+
+#endif /* !JITDUMP_H */