Pileus Git - ~andy/linux/blob - 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__KCORE,
  25         DSO_BINARY_TYPE__GUEST_KCORE,
  26         DSO_BINARY_TYPE__NOT_FOUND,
  27 };
  28
  29 enum dso_kernel_type {
  30         DSO_TYPE_USER = 0,
  31         DSO_TYPE_KERNEL,
  32         DSO_TYPE_GUEST_KERNEL
  33 };
  34
  35 enum dso_swap_type {
  36         DSO_SWAP__UNSET,
  37         DSO_SWAP__NO,
  38         DSO_SWAP__YES,
  39 };
  40
  41 #define DSO__SWAP(dso, type, val)                       \
  42 ({                                                      \
  43         type ____r = val;                               \
  44         BUG_ON(dso->needs_swap == DSO_SWAP__UNSET);     \
  45         if (dso->needs_swap == DSO_SWAP__YES) {         \
  46                 switch (sizeof(____r)) {                \
  47                 case 2:                                 \
  48                         ____r = bswap_16(val);          \
  49                         break;                          \
  50                 case 4:                                 \
  51                         ____r = bswap_32(val);          \
  52                         break;                          \
  53                 case 8:                                 \
  54                         ____r = bswap_64(val);          \
  55                         break;                          \
  56                 default:                                \
  57                         BUG_ON(1);                      \
  58                 }                                       \
  59         }                                               \
  60         ____r;                                          \
  61 })
  62
  63 #define DSO__DATA_CACHE_SIZE 4096
  64 #define DSO__DATA_CACHE_MASK ~(DSO__DATA_CACHE_SIZE - 1)
  65
  66 struct dso_cache {
  67         struct rb_node  rb_node;
  68         u64 offset;
  69         u64 size;
  70         char data[0];
  71 };
  72
  73 struct dso {
  74         struct list_head node;
  75         struct rb_root   symbols[MAP__NR_TYPES];
  76         struct rb_root   symbol_names[MAP__NR_TYPES];
  77         struct rb_root   cache;
  78         enum dso_kernel_type    kernel;
  79         enum dso_swap_type      needs_swap;
  80         enum dso_binary_type    symtab_type;
  81         enum dso_binary_type    data_type;
  82         u8               adjust_symbols:1;
  83         u8               has_build_id:1;
  84         u8               hit:1;
  85         u8               annotate_warned:1;
  86         u8               sname_alloc:1;
  87         u8               lname_alloc:1;
  88         u8               sorted_by_name;
  89         u8               loaded;
  90         u8               rel;
  91         u8               build_id[BUILD_ID_SIZE];
  92         const char       *short_name;
  93         char             *long_name;
  94         u16              long_name_len;
  95         u16              short_name_len;
  96         char             name[0];
  97 };
  98
  99 static inline void dso__set_loaded(struct dso *dso, enum map_type type)
 100 {
 101         dso->loaded |= (1 << type);
 102 }
 103
 104 struct dso *dso__new(const char *name);
 105 void dso__delete(struct dso *dso);
 106
 107 void dso__set_short_name(struct dso *dso, const char *name);
 108 void dso__set_long_name(struct dso *dso, char *name);
 109
 110 int dso__name_len(const struct dso *dso);
 111
 112 bool dso__loaded(const struct dso *dso, enum map_type type);
 113
 114 bool dso__sorted_by_name(const struct dso *dso, enum map_type type);
 115 void dso__set_sorted_by_name(struct dso *dso, enum map_type type);
 116 void dso__sort_by_name(struct dso *dso, enum map_type type);
 117
 118 void dso__set_build_id(struct dso *dso, void *build_id);
 119 bool dso__build_id_equal(const struct dso *dso, u8 *build_id);
 120 void dso__read_running_kernel_build_id(struct dso *dso,
 121                                        struct machine *machine);
 122 int dso__kernel_module_get_build_id(struct dso *dso, const char *root_dir);
 123
 124 char dso__symtab_origin(const struct dso *dso);
 125 int dso__binary_type_file(struct dso *dso, enum dso_binary_type type,
 126                           char *root_dir, char *file, size_t size);
 127
 128 int dso__data_fd(struct dso *dso, struct machine *machine);
 129 ssize_t dso__data_read_offset(struct dso *dso, struct machine *machine,
 130                               u64 offset, u8 *data, ssize_t size);
 131 ssize_t dso__data_read_addr(struct dso *dso, struct map *map,
 132                             struct machine *machine, u64 addr,
 133                             u8 *data, ssize_t size);
 134
 135 struct map *dso__new_map(const char *name);
 136 struct dso *dso__kernel_findnew(struct machine *machine, const char *name,
 137                                 const char *short_name, int dso_type);
 138
 139 void dsos__add(struct list_head *head, struct dso *dso);
 140 struct dso *dsos__find(struct list_head *head, const char *name,
 141                        bool cmp_short);
 142 struct dso *__dsos__findnew(struct list_head *head, const char *name);
 143 bool __dsos__read_build_ids(struct list_head *head, bool with_hits);
 144
 145 size_t __dsos__fprintf_buildid(struct list_head *head, FILE *fp,
 146                                bool (skip)(struct dso *dso, int parm), int parm);
 147 size_t __dsos__fprintf(struct list_head *head, FILE *fp);
 148
 149 size_t dso__fprintf_buildid(struct dso *dso, FILE *fp);
 150 size_t dso__fprintf_symbols_by_name(struct dso *dso,
 151                                     enum map_type type, FILE *fp);
 152 size_t dso__fprintf(struct dso *dso, enum map_type type, FILE *fp);
 153
 154 static inline bool dso__is_vmlinux(struct dso *dso)
 155 {
 156         return dso->data_type == DSO_BINARY_TYPE__VMLINUX ||
 157                dso->data_type == DSO_BINARY_TYPE__GUEST_VMLINUX;
 158 }
 159
 160 static inline bool dso__is_kcore(struct dso *dso)
 161 {
 162         return dso->data_type == DSO_BINARY_TYPE__KCORE ||
 163                dso->data_type == DSO_BINARY_TYPE__GUEST_KCORE;
 164 }
 165
 166 #endif /* __PERF_DSO */