diff options
Diffstat (limited to 'tools/perf/util/dso.h')
| -rw-r--r-- | tools/perf/util/dso.h | 99 |
1 files changed, 96 insertions, 3 deletions
diff --git a/tools/perf/util/dso.h b/tools/perf/util/dso.h index ad553ba257bf..e0901b4ed8de 100644 --- a/tools/perf/util/dso.h +++ b/tools/perf/util/dso.h @@ -5,6 +5,7 @@ #include <linux/rbtree.h> #include <stdbool.h> #include <linux/types.h> +#include <linux/bitops.h> #include "map.h" #include "build-id.h" @@ -21,7 +22,9 @@ enum dso_binary_type { DSO_BINARY_TYPE__BUILDID_DEBUGINFO, DSO_BINARY_TYPE__SYSTEM_PATH_DSO, DSO_BINARY_TYPE__GUEST_KMODULE, + DSO_BINARY_TYPE__GUEST_KMODULE_COMP, DSO_BINARY_TYPE__SYSTEM_PATH_KMODULE, + DSO_BINARY_TYPE__SYSTEM_PATH_KMODULE_COMP, DSO_BINARY_TYPE__KCORE, DSO_BINARY_TYPE__GUEST_KCORE, DSO_BINARY_TYPE__OPENEMBEDDED_DEBUGINFO, @@ -40,6 +43,48 @@ enum dso_swap_type { DSO_SWAP__YES, }; +enum dso_data_status { + DSO_DATA_STATUS_ERROR = -1, + DSO_DATA_STATUS_UNKNOWN = 0, + DSO_DATA_STATUS_OK = 1, +}; + +enum dso_data_status_seen { + DSO_DATA_STATUS_SEEN_ITRACE, +}; + +enum dso_type { + DSO__TYPE_UNKNOWN, + DSO__TYPE_64BIT, + DSO__TYPE_32BIT, + DSO__TYPE_X32BIT, +}; + +enum dso_load_errno { + DSO_LOAD_ERRNO__SUCCESS = 0, + + /* + * Choose an arbitrary negative big number not to clash with standard + * errno since SUS requires the errno has distinct positive values. + * See 'Issue 6' in the link below. + * + * http://pubs.opengroup.org/onlinepubs/9699919799/basedefs/errno.h.html + */ + __DSO_LOAD_ERRNO__START = -10000, + + DSO_LOAD_ERRNO__INTERNAL_ERROR = __DSO_LOAD_ERRNO__START, + + /* for symsrc__init() */ + DSO_LOAD_ERRNO__INVALID_ELF, + DSO_LOAD_ERRNO__CANNOT_READ_BUILDID, + DSO_LOAD_ERRNO__MISMATCHING_BUILDID, + + /* for decompress_kmodule */ + DSO_LOAD_ERRNO__DECOMPRESSION_FAILURE, + + __DSO_LOAD_ERRNO__END, +}; + #define DSO__SWAP(dso, type, val) \ ({ \ type ____r = val; \ @@ -72,8 +117,18 @@ struct dso_cache { char data[0]; }; +/* + * DSOs are put into both a list for fast iteration and rbtree for fast + * long name lookup. + */ +struct dsos { + struct list_head head; + struct rb_root root; /* rbtree root sorted by long name */ +}; + struct dso { struct list_head node; + struct rb_node rb_node; /* rbtree node sorted by long name */ struct rb_root symbols[MAP__NR_TYPES]; struct rb_root symbol_names[MAP__NR_TYPES]; void *a2l; @@ -83,6 +138,7 @@ struct dso { enum dso_swap_type needs_swap; enum dso_binary_type symtab_type; enum dso_binary_type binary_type; + enum dso_load_errno load_errno; u8 adjust_symbols:1; u8 has_build_id:1; u8 has_srcline:1; @@ -90,6 +146,7 @@ struct dso { u8 annotate_warned:1; u8 short_name_allocated:1; u8 long_name_allocated:1; + u8 is_64_bit:1; u8 sorted_by_name; u8 loaded; u8 rel; @@ -98,15 +155,25 @@ struct dso { const char *long_name; u16 long_name_len; u16 short_name_len; + void *dwfl; /* DWARF debug info */ /* dso data file */ struct { struct rb_root cache; int fd; + int status; + u32 status_seen; size_t file_size; struct list_head open_entry; + u64 debug_frame_offset; + u64 eh_frame_hdr_offset; } data; + union { /* Tool specific area */ + void *priv; + u64 db_id; + }; + char name[0]; }; @@ -148,11 +215,30 @@ int dso__kernel_module_get_build_id(struct dso *dso, const char *root_dir); char dso__symtab_origin(const struct dso *dso); int dso__read_binary_type_filename(const struct dso *dso, enum dso_binary_type type, char *root_dir, char *filename, size_t size); +bool is_supported_compression(const char *ext); +bool is_kernel_module(const char *pathname); +bool decompress_to_file(const char *ext, const char *filename, int output_fd); +bool dso__needs_decompress(struct dso *dso); + +struct kmod_path { + char *name; + char *ext; + bool comp; + bool kmod; +}; + +int __kmod_path__parse(struct kmod_path *m, const char *path, + bool alloc_name, bool alloc_ext); + +#define kmod_path__parse(__m, __p) __kmod_path__parse(__m, __p, false, false) +#define kmod_path__parse_name(__m, __p) __kmod_path__parse(__m, __p, true , false) +#define kmod_path__parse_ext(__m, __p) __kmod_path__parse(__m, __p, false, true) /* * The dso__data_* external interface provides following functions: * dso__data_fd * dso__data_close + * dso__data_size * dso__data_read_offset * dso__data_read_addr * @@ -190,20 +276,23 @@ int dso__read_binary_type_filename(const struct dso *dso, enum dso_binary_type t int dso__data_fd(struct dso *dso, struct machine *machine); void dso__data_close(struct dso *dso); +off_t dso__data_size(struct dso *dso, struct machine *machine); ssize_t dso__data_read_offset(struct dso *dso, struct machine *machine, u64 offset, u8 *data, ssize_t size); ssize_t dso__data_read_addr(struct dso *dso, struct map *map, struct machine *machine, u64 addr, u8 *data, ssize_t size); +bool dso__data_status_seen(struct dso *dso, enum dso_data_status_seen by); struct map *dso__new_map(const char *name); struct dso *dso__kernel_findnew(struct machine *machine, const char *name, const char *short_name, int dso_type); -void dsos__add(struct list_head *head, struct dso *dso); -struct dso *dsos__find(const struct list_head *head, const char *name, +void dsos__add(struct dsos *dsos, struct dso *dso); +struct dso *dsos__addnew(struct dsos *dsos, const char *name); +struct dso *dsos__find(const struct dsos *dsos, const char *name, bool cmp_short); -struct dso *__dsos__findnew(struct list_head *head, const char *name); +struct dso *__dsos__findnew(struct dsos *dsos, const char *name); bool __dsos__read_build_ids(struct list_head *head, bool with_hits); size_t __dsos__fprintf_buildid(struct list_head *head, FILE *fp, @@ -229,4 +318,8 @@ static inline bool dso__is_kcore(struct dso *dso) void dso__free_a2l(struct dso *dso); +enum dso_type dso__type(struct dso *dso, struct machine *machine); + +int dso__strerror_load(struct dso *dso, char *buf, size_t buflen); + #endif /* __PERF_DSO */ |
