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6a4694a433
By using an array of rb_roots in struct dso we can, from a struct map instance to get the right symbol rb_tree more easily. This way we can have just one symbol lookup method for struct map instances, map__find_symbol, instead of one per symtab type (functions, variables). Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Frédéric Weisbecker <fweisbec@gmail.com> Cc: Mike Galbraith <efault@gmx.de> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Paul Mackerras <paulus@samba.org> LKML-Reference: <1259346563-12568-6-git-send-email-acme@infradead.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
111 lines
2.6 KiB
C
111 lines
2.6 KiB
C
#ifndef __PERF_SYMBOL
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#define __PERF_SYMBOL 1
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#include <linux/types.h>
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#include <stdbool.h>
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#include "types.h"
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#include <linux/list.h>
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#include <linux/rbtree.h>
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#include "event.h"
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#ifdef HAVE_CPLUS_DEMANGLE
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extern char *cplus_demangle(const char *, int);
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static inline char *bfd_demangle(void __used *v, const char *c, int i)
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{
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return cplus_demangle(c, i);
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}
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#else
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#ifdef NO_DEMANGLE
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static inline char *bfd_demangle(void __used *v, const char __used *c,
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int __used i)
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{
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return NULL;
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}
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#else
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#include <bfd.h>
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#endif
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#endif
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/*
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* libelf 0.8.x and earlier do not support ELF_C_READ_MMAP;
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* for newer versions we can use mmap to reduce memory usage:
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*/
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#ifdef LIBELF_NO_MMAP
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# define PERF_ELF_C_READ_MMAP ELF_C_READ
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#else
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# define PERF_ELF_C_READ_MMAP ELF_C_READ_MMAP
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#endif
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#ifndef DMGL_PARAMS
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#define DMGL_PARAMS (1 << 0) /* Include function args */
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#define DMGL_ANSI (1 << 1) /* Include const, volatile, etc */
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#endif
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struct symbol {
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struct rb_node rb_node;
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u64 start;
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u64 end;
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char name[0];
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};
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struct symbol_conf {
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unsigned short priv_size;
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bool try_vmlinux_path,
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use_modules;
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const char *vmlinux_name;
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};
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extern unsigned int symbol__priv_size;
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static inline void *symbol__priv(struct symbol *self)
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{
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return ((void *)self) - symbol__priv_size;
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}
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struct dso {
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struct list_head node;
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struct rb_root symbols[MAP__NR_TYPES];
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struct symbol *(*find_symbol)(struct dso *self,
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enum map_type type, u64 addr);
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u8 adjust_symbols:1;
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u8 slen_calculated:1;
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u8 has_build_id:1;
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u8 kernel:1;
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unsigned char origin;
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u8 loaded;
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u8 build_id[BUILD_ID_SIZE];
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u16 long_name_len;
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const char *short_name;
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char *long_name;
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char name[0];
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};
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struct dso *dso__new(const char *name);
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void dso__delete(struct dso *self);
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bool dso__loaded(const struct dso *self, enum map_type type);
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struct dso *dsos__findnew(const char *name);
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int dso__load(struct dso *self, struct map *map, symbol_filter_t filter);
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void dsos__fprintf(FILE *fp);
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size_t dsos__fprintf_buildid(FILE *fp);
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size_t dso__fprintf_buildid(struct dso *self, FILE *fp);
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size_t dso__fprintf(struct dso *self, FILE *fp);
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char dso__symtab_origin(const struct dso *self);
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void dso__set_build_id(struct dso *self, void *build_id);
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int filename__read_build_id(const char *filename, void *bf, size_t size);
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int sysfs__read_build_id(const char *filename, void *bf, size_t size);
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bool dsos__read_build_ids(void);
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int build_id__sprintf(u8 *self, int len, char *bf);
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size_t kernel_maps__fprintf(FILE *fp);
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int symbol__init(struct symbol_conf *conf);
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extern struct list_head dsos__user, dsos__kernel;
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extern struct dso *vdso;
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#endif /* __PERF_SYMBOL */
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