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-rw-r--r--tools/perf/util/symbol.h262
1 files changed, 209 insertions, 53 deletions
diff --git a/tools/perf/util/symbol.h b/tools/perf/util/symbol.h
index 8aded2356f7..615c752dd76 100644
--- a/tools/perf/util/symbol.h
+++ b/tools/perf/util/symbol.h
@@ -3,26 +3,42 @@
#include <linux/types.h>
#include <stdbool.h>
-#include "types.h"
+#include <stdint.h>
+#include "map.h"
+#include "../perf.h"
#include <linux/list.h>
#include <linux/rbtree.h>
+#include <stdio.h>
+#include <byteswap.h>
+#include <libgen.h>
+#include "build-id.h"
#include "event.h"
-#ifdef HAVE_CPLUS_DEMANGLE
+#ifdef HAVE_LIBELF_SUPPORT
+#include <libelf.h>
+#include <gelf.h>
+#endif
+#include <elf.h>
+
+#include "dso.h"
+
+#ifdef HAVE_CPLUS_DEMANGLE_SUPPORT
extern char *cplus_demangle(const char *, int);
-static inline char *bfd_demangle(void __used *v, const char *c, int i)
+static inline char *bfd_demangle(void __maybe_unused *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)
+static inline char *bfd_demangle(void __maybe_unused *v,
+ const char __maybe_unused *c,
+ int __maybe_unused i)
{
return NULL;
}
#else
+#define PACKAGE 'perf'
#include <bfd.h>
#endif
#endif
@@ -31,10 +47,15 @@ static inline char *bfd_demangle(void __used *v, const char __used *c,
* 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
+#ifdef HAVE_LIBELF_MMAP_SUPPORT
# define PERF_ELF_C_READ_MMAP ELF_C_READ_MMAP
+#else
+# define PERF_ELF_C_READ_MMAP ELF_C_READ
+#endif
+
+#ifdef HAVE_LIBELF_SUPPORT
+extern Elf_Scn *elf_section_by_name(Elf *elf, GElf_Ehdr *ep,
+ GElf_Shdr *shp, const char *name, size_t *idx);
#endif
#ifndef DMGL_PARAMS
@@ -42,100 +63,235 @@ static inline char *bfd_demangle(void __used *v, const char __used *c,
#define DMGL_ANSI (1 << 1) /* Include const, volatile, etc */
#endif
+/** 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);
+void symbols__delete(struct rb_root *symbols);
+
+/* symbols__for_each_entry - iterate over symbols (rb_root)
+ *
+ * @symbols: the rb_root of symbols
+ * @pos: the 'struct symbol *' to use as a loop cursor
+ * @nd: the 'struct rb_node *' to use as a temporary storage
+ */
+#define symbols__for_each_entry(symbols, pos, nd) \
+ for (nd = rb_first(symbols); \
+ nd && (pos = rb_entry(nd, struct symbol, rb_node)); \
+ nd = rb_next(nd))
+
+static inline size_t symbol__size(const struct symbol *sym)
+{
+ return sym->end - sym->start + 1;
+}
+
struct strlist;
struct symbol_conf {
unsigned short priv_size;
+ unsigned short nr_events;
bool try_vmlinux_path,
+ ignore_vmlinux,
+ show_kernel_path,
use_modules,
sort_by_name,
show_nr_samples,
+ show_total_period,
use_callchain,
- exclude_other;
+ cumulate_callchain,
+ exclude_other,
+ show_cpu_utilization,
+ initialized,
+ kptr_restrict,
+ annotate_asm_raw,
+ annotate_src,
+ event_group,
+ demangle,
+ filter_relative;
const char *vmlinux_name,
+ *kallsyms_name,
+ *source_prefix,
*field_sep;
- char *dso_list_str,
+ 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;
+ *sym_list,
+ *dso_from_list,
+ *dso_to_list,
+ *sym_from_list,
+ *sym_to_list;
+ const char *symfs;
};
extern struct symbol_conf symbol_conf;
+extern int vmlinux_path__nr_entries;
+extern char **vmlinux_path;
-static inline void *symbol__priv(struct symbol *self)
+static inline void *symbol__priv(struct symbol *sym)
{
- return ((void *)self) - symbol_conf.priv_size;
+ 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 mem_info {
+ struct addr_map_symbol iaddr;
+ struct addr_map_symbol daddr;
+ union perf_mem_data_src data_src;
+};
+
struct addr_location {
+ struct machine *machine;
struct thread *thread;
struct map *map;
struct symbol *sym;
u64 addr;
char level;
- bool filtered;
+ u8 filtered;
+ u8 cpumode;
+ s32 cpu;
};
-struct dso {
- struct list_head node;
- struct rb_root symbols[MAP__NR_TYPES];
- struct rb_root symbol_names[MAP__NR_TYPES];
- u8 adjust_symbols:1;
- u8 slen_calculated:1;
- u8 has_build_id:1;
- u8 kernel:1;
- unsigned char origin;
- u8 sorted_by_name;
- u8 loaded;
- u8 build_id[BUILD_ID_SIZE];
- u16 long_name_len;
- const char *short_name;
- char *long_name;
- char name[0];
-};
+struct symsrc {
+ char *name;
+ int fd;
+ enum dso_binary_type type;
+
+#ifdef HAVE_LIBELF_SUPPORT
+ Elf *elf;
+ GElf_Ehdr ehdr;
+
+ Elf_Scn *opdsec;
+ size_t opdidx;
+ GElf_Shdr opdshdr;
-struct dso *dso__new(const char *name);
-void dso__delete(struct dso *self);
+ Elf_Scn *symtab;
+ GElf_Shdr symshdr;
-bool dso__loaded(const struct dso *self, enum map_type type);
-bool dso__sorted_by_name(const struct dso *self, enum map_type type);
+ Elf_Scn *dynsym;
+ size_t dynsym_idx;
+ GElf_Shdr dynshdr;
-void dso__sort_by_name(struct dso *self, enum map_type type);
+ bool adjust_symbols;
+#endif
+};
-struct perf_session;
+void symsrc__destroy(struct symsrc *ss);
+int symsrc__init(struct symsrc *ss, struct dso *dso, const char *name,
+ enum dso_binary_type type);
+bool symsrc__has_symtab(struct symsrc *ss);
+bool symsrc__possibly_runtime(struct symsrc *ss);
-struct dso *dsos__findnew(const char *name);
-int dso__load(struct dso *self, struct map *map, struct perf_session *session,
- symbol_filter_t filter);
-void dsos__fprintf(FILE *fp);
-size_t dsos__fprintf_buildid(FILE *fp);
+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, bool vmlinux_allocated,
+ 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);
-size_t dso__fprintf_buildid(struct dso *self, FILE *fp);
-size_t dso__fprintf(struct dso *self, enum map_type type, FILE *fp);
-char dso__symtab_origin(const struct dso *self);
-void dso__set_build_id(struct dso *self, void *build_id);
-struct symbol *dso__find_symbol(struct dso *self, enum map_type type, u64 addr);
-struct symbol *dso__find_symbol_by_name(struct dso *self, enum map_type type,
+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(void);
-int build_id__sprintf(u8 *self, int len, char *bf);
+int modules__parse(const char *filename, void *arg,
+ int (*process_module)(void *arg, const char *name,
+ u64 start));
+int filename__read_debuglink(const char *filename, char *debuglink,
+ size_t size);
int symbol__init(void);
-int perf_session__create_kernel_maps(struct perf_session *self);
+void symbol__exit(void);
+void symbol__elf_init(void);
+struct symbol *symbol__new(u64 start, u64 len, u8 binding, const char *name);
+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);
+size_t symbol__fprintf(struct symbol *sym, FILE *fp);
+bool symbol_type__is_a(char symbol_type, enum map_type map_type);
+bool symbol__restricted_filename(const char *filename,
+ const char *restricted_filename);
+bool symbol__is_idle(struct symbol *sym);
+
+int dso__load_sym(struct dso *dso, struct map *map, struct symsrc *syms_ss,
+ struct symsrc *runtime_ss, symbol_filter_t filter,
+ int kmodule);
+int dso__synthesize_plt_symbols(struct dso *dso, struct symsrc *ss,
+ struct map *map, symbol_filter_t filter);
+
+void symbols__insert(struct rb_root *symbols, struct symbol *sym);
+void symbols__fixup_duplicate(struct rb_root *symbols);
+void symbols__fixup_end(struct rb_root *symbols);
+void __map_groups__fixup_end(struct map_groups *mg, enum map_type type);
+
+typedef int (*mapfn_t)(u64 start, u64 len, u64 pgoff, void *data);
+int file__read_maps(int fd, bool exe, mapfn_t mapfn, void *data,
+ bool *is_64_bit);
+
+#define PERF_KCORE_EXTRACT "/tmp/perf-kcore-XXXXXX"
+
+struct kcore_extract {
+ char *kcore_filename;
+ u64 addr;
+ u64 offs;
+ u64 len;
+ char extract_filename[sizeof(PERF_KCORE_EXTRACT)];
+ int fd;
+};
+
+int kcore_extract__create(struct kcore_extract *kce);
+void kcore_extract__delete(struct kcore_extract *kce);
+
+int kcore_copy(const char *from_dir, const char *to_dir);
+int compare_proc_modules(const char *from, const char *to);
+
+int setup_list(struct strlist **list, const char *list_str,
+ const char *list_name);
-extern struct list_head dsos__user, dsos__kernel;
-extern struct dso *vdso;
#endif /* __PERF_SYMBOL */
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-11-09 11:01:33 +0000