tools/perf/util/dso.h

   1 #ifndef __PERF_DSO
   2 #define __PERF_DSO
   3
   4 #include <linux/types.h>
   5 #include <linux/rbtree.h>
   6 #include <stdbool.h>
   7 #include "types.h"
   8 #include "map.h"
   9
  10 enum dso_binary_type {
  11         DSO_BINARY_TYPE__KALLSYMS = 0,
  12         DSO_BINARY_TYPE__GUEST_KALLSYMS,
  13         DSO_BINARY_TYPE__VMLINUX,
  14         DSO_BINARY_TYPE__GUEST_VMLINUX,
  15         DSO_BINARY_TYPE__JAVA_JIT,
  16         DSO_BINARY_TYPE__DEBUGLINK,
  17         DSO_BINARY_TYPE__BUILD_ID_CACHE,
  18         DSO_BINARY_TYPE__FEDORA_DEBUGINFO,
  19         DSO_BINARY_TYPE__UBUNTU_DEBUGINFO,
  20         DSO_BINARY_TYPE__BUILDID_DEBUGINFO,
  21         DSO_BINARY_TYPE__SYSTEM_PATH_DSO,
  22         DSO_BINARY_TYPE__GUEST_KMODULE,
  23         DSO_BINARY_TYPE__SYSTEM_PATH_KMODULE,
  24         DSO_BINARY_TYPE__NOT_FOUND,
  25 };
  26
  27 enum dso_kernel_type {
  28         DSO_TYPE_USER = 0,
  29         DSO_TYPE_KERNEL,
  30         DSO_TYPE_GUEST_KERNEL
  31 };
  32
  33 enum dso_swap_type {
  34         DSO_SWAP__UNSET,
  35         DSO_SWAP__NO,
  36         DSO_SWAP__YES,
  37 };
  38
  39 #define DSO__SWAP(dso, type, val)                       \
  40 ({                                                      \
  41         type ____r = val;                               \
  42         BUG_ON(dso->needs_swap == DSO_SWAP__UNSET);     \
  43         if (dso->needs_swap == DSO_SWAP__YES) {         \
  44                 switch (sizeof(____r)) {                \
  45                 case 2:                                 \
  46                         ____r = bswap_16(val);          \
  47                         break;                          \
  48                 case 4:                                 \
  49                         ____r = bswap_32(val);          \
  50                         break;                          \
  51                 case 8:                                 \
  52                         ____r = bswap_64(val);          \
  53                         break;                          \
  54                 default:                                \
  55                         BUG_ON(1);                      \
  56                 }                                       \
  57         }                                               \
  58         ____r;                                          \
  59 })
  60
  61 #define DSO__DATA_CACHE_SIZE 4096
  62 #define DSO__DATA_CACHE_MASK ~(DSO__DATA_CACHE_SIZE - 1)
  63
  64 struct dso_cache {
  65         struct rb_node  rb_node;
  66         u64 offset;
  67         u64 size;
  68         char data[0];
  69 };
  70
  71 struct dso {
  72         struct list_head node;
  73         struct rb_root   symbols[MAP__NR_TYPES];
  74         struct rb_root   symbol_names[MAP__NR_TYPES];
  75         struct rb_root   cache;
  76         enum dso_kernel_type    kernel;
  77         enum dso_swap_type      needs_swap;
  78         enum dso_binary_type    symtab_type;
  79         enum dso_binary_type    data_type;
  80         u8               adjust_symbols:1;
  81         u8               has_build_id:1;
  82         u8               hit:1;
  83         u8               annotate_warned:1;
  84         u8               sname_alloc:1;
  85         u8               lname_alloc:1;
  86         u8               sorted_by_name;
  87         u8               loaded;
  88         u8               build_id[BUILD_ID_SIZE];
  89         const char       *short_name;
  90         char             *long_name;
  91         u16              long_name_len;
  92         u16              short_name_len;
  93         char             name[0];
  94 };
  95
  96 static inline void dso__set_loaded(struct dso *dso, enum map_type type)
  97 {
  98         dso->loaded |= (1 << type);
  99 }
 100
 101 struct dso *dso__new(const char *name);
 102 void dso__delete(struct dso *dso);
 103
 104 void dso__set_short_name(struct dso *dso, const char *name);
 105 void dso__set_long_name(struct dso *dso, char *name);
 106
 107 int dso__name_len(const struct dso *dso);
 108
 109 bool dso__loaded(const struct dso *dso, enum map_type type);
 110
 111 bool dso__sorted_by_name(const struct dso *dso, enum map_type type);
 112 void dso__set_sorted_by_name(struct dso *dso, enum map_type type);
 113 void dso__sort_by_name(struct dso *dso, enum map_type type);
 114
 115 void dso__set_build_id(struct dso *dso, void *build_id);
 116 bool dso__build_id_equal(const struct dso *dso, u8 *build_id);
 117 void dso__read_running_kernel_build_id(struct dso *dso,
 118                                        struct machine *machine);
 119 int dso__kernel_module_get_build_id(struct dso *dso, const char *root_dir);
 120
 121 char dso__symtab_origin(const struct dso *dso);
 122 int dso__binary_type_file(struct dso *dso, enum dso_binary_type type,
 123                           char *root_dir, char *file, size_t size);
 124
 125 int dso__data_fd(struct dso *dso, struct machine *machine);
 126 ssize_t dso__data_read_offset(struct dso *dso, struct machine *machine,
 127                               u64 offset, u8 *data, ssize_t size);
 128 ssize_t dso__data_read_addr(struct dso *dso, struct map *map,
 129                             struct machine *machine, u64 addr,
 130                             u8 *data, ssize_t size);
 131
 132 struct map *dso__new_map(const char *name);
 133 struct dso *dso__kernel_findnew(struct machine *machine, const char *name,
 134                                 const char *short_name, int dso_type);
 135
 136 void dsos__add(struct list_head *head, struct dso *dso);
 137 struct dso *dsos__find(struct list_head *head, const char *name,
 138                        bool cmp_short);
 139 struct dso *__dsos__findnew(struct list_head *head, const char *name);
 140 bool __dsos__read_build_ids(struct list_head *head, bool with_hits);
 141
 142 size_t __dsos__fprintf_buildid(struct list_head *head, FILE *fp,
 143                                bool (skip)(struct dso *dso, int parm), int parm);
 144 size_t __dsos__fprintf(struct list_head *head, FILE *fp);
 145
 146 size_t dso__fprintf_buildid(struct dso *dso, FILE *fp);
 147 size_t dso__fprintf_symbols_by_name(struct dso *dso,
 148                                     enum map_type type, FILE *fp);
 149 size_t dso__fprintf(struct dso *dso, enum map_type type, FILE *fp);
 150
 151 static inline bool dso__is_vmlinux(struct dso *dso)
 152 {
 153         return dso->data_type == DSO_BINARY_TYPE__VMLINUX ||
 154                dso->data_type == DSO_BINARY_TYPE__GUEST_VMLINUX;
 155 }
 156
 157 #endif /* __PERF_DSO */