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-rw-r--r--tools/perf/util/symbol.h270
1 files changed, 270 insertions, 0 deletions
diff --git a/tools/perf/util/symbol.h b/tools/perf/util/symbol.h
new file mode 100644
index 00000000..ac49ef20
--- /dev/null
+++ b/tools/perf/util/symbol.h
@@ -0,0 +1,270 @@
+#ifndef __PERF_SYMBOL
+#define __PERF_SYMBOL 1
+
+#include <linux/types.h>
+#include <stdbool.h>
+#include <stdint.h>
+#include "map.h"
+#include "../perf.h"
+#include <linux/list.h>
+#include <linux/rbtree.h>
+#include <stdio.h>
+
+#ifdef HAVE_CPLUS_DEMANGLE
+extern char *cplus_demangle(const char *, int);
+
+static inline char *bfd_demangle(void __used *v, const char *c, int i)
+{
+ return cplus_demangle(c, i);
+}
+#else
+#ifdef NO_DEMANGLE
+static inline char *bfd_demangle(void __used *v, const char __used *c,
+ int __used i)
+{
+ return NULL;
+}
+#else
+#include <bfd.h>
+#endif
+#endif
+
+int hex2u64(const char *ptr, u64 *val);
+char *strxfrchar(char *s, char from, char to);
+
+/*
+ * libelf 0.8.x and earlier do not support ELF_C_READ_MMAP;
+ * for newer versions we can use mmap to reduce memory usage:
+ */
+#ifdef LIBELF_NO_MMAP
+# define PERF_ELF_C_READ_MMAP ELF_C_READ
+#else
+# define PERF_ELF_C_READ_MMAP ELF_C_READ_MMAP
+#endif
+
+#ifndef DMGL_PARAMS
+#define DMGL_PARAMS (1 << 0) /* Include function args */
+#define DMGL_ANSI (1 << 1) /* Include const, volatile, etc */
+#endif
+
+#define BUILD_ID_SIZE 20
+
+/** struct symbol - symtab entry
+ *
+ * @ignore - resolvable but tools ignore it (e.g. idle routines)
+ */
+struct symbol {
+ struct rb_node rb_node;
+ u64 start;
+ u64 end;
+ u16 namelen;
+ u8 binding;
+ bool ignore;
+ char name[0];
+};
+
+void symbol__delete(struct symbol *sym);
+
+struct strlist;
+
+struct symbol_conf {
+ unsigned short priv_size;
+ unsigned short nr_events;
+ bool try_vmlinux_path,
+ show_kernel_path,
+ use_modules,
+ sort_by_name,
+ show_nr_samples,
+ show_total_period,
+ use_callchain,
+ exclude_other,
+ show_cpu_utilization,
+ initialized,
+ kptr_restrict,
+ annotate_asm_raw,
+ annotate_src;
+ const char *vmlinux_name,
+ *kallsyms_name,
+ *source_prefix,
+ *field_sep;
+ const char *default_guest_vmlinux_name,
+ *default_guest_kallsyms,
+ *default_guest_modules;
+ const char *guestmount;
+ const char *dso_list_str,
+ *comm_list_str,
+ *sym_list_str,
+ *col_width_list_str;
+ struct strlist *dso_list,
+ *comm_list,
+ *sym_list,
+ *dso_from_list,
+ *dso_to_list,
+ *sym_from_list,
+ *sym_to_list;
+ const char *symfs;
+};
+
+extern struct symbol_conf symbol_conf;
+
+static inline void *symbol__priv(struct symbol *sym)
+{
+ return ((void *)sym) - symbol_conf.priv_size;
+}
+
+struct ref_reloc_sym {
+ const char *name;
+ u64 addr;
+ u64 unrelocated_addr;
+};
+
+struct map_symbol {
+ struct map *map;
+ struct symbol *sym;
+ bool unfolded;
+ bool has_children;
+};
+
+struct addr_map_symbol {
+ struct map *map;
+ struct symbol *sym;
+ u64 addr;
+ u64 al_addr;
+};
+
+struct branch_info {
+ struct addr_map_symbol from;
+ struct addr_map_symbol to;
+ struct branch_flags flags;
+};
+
+struct addr_location {
+ struct thread *thread;
+ struct map *map;
+ struct symbol *sym;
+ u64 addr;
+ char level;
+ bool filtered;
+ u8 cpumode;
+ s32 cpu;
+};
+
+enum dso_kernel_type {
+ DSO_TYPE_USER = 0,
+ DSO_TYPE_KERNEL,
+ DSO_TYPE_GUEST_KERNEL
+};
+
+struct dso {
+ struct list_head node;
+ struct rb_root symbols[MAP__NR_TYPES];
+ struct rb_root symbol_names[MAP__NR_TYPES];
+ enum dso_kernel_type kernel;
+ u8 adjust_symbols:1;
+ u8 has_build_id:1;
+ u8 hit:1;
+ u8 annotate_warned:1;
+ u8 sname_alloc:1;
+ u8 lname_alloc:1;
+ unsigned char symtab_type;
+ u8 sorted_by_name;
+ u8 loaded;
+ u8 build_id[BUILD_ID_SIZE];
+ const char *short_name;
+ char *long_name;
+ u16 long_name_len;
+ u16 short_name_len;
+ char name[0];
+};
+
+struct dso *dso__new(const char *name);
+void dso__delete(struct dso *dso);
+
+int dso__name_len(const struct dso *dso);
+
+bool dso__loaded(const struct dso *dso, enum map_type type);
+bool dso__sorted_by_name(const struct dso *dso, enum map_type type);
+
+static inline void dso__set_loaded(struct dso *dso, enum map_type type)
+{
+ dso->loaded |= (1 << type);
+}
+
+void dso__sort_by_name(struct dso *dso, enum map_type type);
+
+struct dso *__dsos__findnew(struct list_head *head, const char *name);
+
+int dso__load(struct dso *dso, struct map *map, symbol_filter_t filter);
+int dso__load_vmlinux(struct dso *dso, struct map *map,
+ const char *vmlinux, symbol_filter_t filter);
+int dso__load_vmlinux_path(struct dso *dso, struct map *map,
+ symbol_filter_t filter);
+int dso__load_kallsyms(struct dso *dso, const char *filename, struct map *map,
+ symbol_filter_t filter);
+int machine__load_kallsyms(struct machine *machine, const char *filename,
+ enum map_type type, symbol_filter_t filter);
+int machine__load_vmlinux_path(struct machine *machine, enum map_type type,
+ symbol_filter_t filter);
+
+size_t __dsos__fprintf(struct list_head *head, FILE *fp);
+
+size_t machine__fprintf_dsos_buildid(struct machine *machine,
+ FILE *fp, bool with_hits);
+size_t machines__fprintf_dsos(struct rb_root *machines, FILE *fp);
+size_t machines__fprintf_dsos_buildid(struct rb_root *machines,
+ FILE *fp, bool with_hits);
+size_t dso__fprintf_buildid(struct dso *dso, FILE *fp);
+size_t dso__fprintf_symbols_by_name(struct dso *dso,
+ enum map_type type, FILE *fp);
+size_t dso__fprintf(struct dso *dso, enum map_type type, FILE *fp);
+
+enum symtab_type {
+ SYMTAB__KALLSYMS = 0,
+ SYMTAB__GUEST_KALLSYMS,
+ SYMTAB__JAVA_JIT,
+ SYMTAB__BUILD_ID_CACHE,
+ SYMTAB__FEDORA_DEBUGINFO,
+ SYMTAB__UBUNTU_DEBUGINFO,
+ SYMTAB__BUILDID_DEBUGINFO,
+ SYMTAB__SYSTEM_PATH_DSO,
+ SYMTAB__GUEST_KMODULE,
+ SYMTAB__SYSTEM_PATH_KMODULE,
+ SYMTAB__NOT_FOUND,
+};
+
+char dso__symtab_origin(const struct dso *dso);
+void dso__set_long_name(struct dso *dso, char *name);
+void dso__set_build_id(struct dso *dso, void *build_id);
+void dso__read_running_kernel_build_id(struct dso *dso,
+ struct machine *machine);
+struct symbol *dso__find_symbol(struct dso *dso, enum map_type type,
+ u64 addr);
+struct symbol *dso__find_symbol_by_name(struct dso *dso, enum map_type type,
+ const char *name);
+
+int filename__read_build_id(const char *filename, void *bf, size_t size);
+int sysfs__read_build_id(const char *filename, void *bf, size_t size);
+bool __dsos__read_build_ids(struct list_head *head, bool with_hits);
+int build_id__sprintf(const u8 *build_id, int len, char *bf);
+int kallsyms__parse(const char *filename, void *arg,
+ int (*process_symbol)(void *arg, const char *name,
+ char type, u64 start, u64 end));
+
+void machine__destroy_kernel_maps(struct machine *machine);
+int __machine__create_kernel_maps(struct machine *machine, struct dso *kernel);
+int machine__create_kernel_maps(struct machine *machine);
+
+int machines__create_kernel_maps(struct rb_root *machines, pid_t pid);
+int machines__create_guest_kernel_maps(struct rb_root *machines);
+void machines__destroy_guest_kernel_maps(struct rb_root *machines);
+
+int symbol__init(void);
+void symbol__exit(void);
+size_t symbol__fprintf_symname_offs(const struct symbol *sym,
+ const struct addr_location *al, FILE *fp);
+size_t symbol__fprintf_symname(const struct symbol *sym, FILE *fp);
+bool symbol_type__is_a(char symbol_type, enum map_type map_type);
+
+size_t machine__fprintf_vmlinux_path(struct machine *machine, FILE *fp);
+
+#endif /* __PERF_SYMBOL */