1 #ifndef _PERF_SYMBOL_ 2 #define _PERF_SYMBOL_ 1 3 4 #include <linux/types.h> 5 #include "types.h" 6 #include <linux/list.h> 7 #include <linux/rbtree.h> 8 #include "module.h" 9 #include "event.h" 10 11 #ifdef HAVE_CPLUS_DEMANGLE 12 extern char *cplus_demangle(const char *, int); 13 14 static inline char *bfd_demangle(void __used *v, const char *c, int i) 15 { 16 return cplus_demangle(c, i); 17 } 18 #else 19 #ifdef NO_DEMANGLE 20 static inline char *bfd_demangle(void __used *v, const char __used *c, 21 int __used i) 22 { 23 return NULL; 24 } 25 #else 26 #include <bfd.h> 27 #endif 28 #endif 29 30 /* 31 * libelf 0.8.x and earlier do not support ELF_C_READ_MMAP; 32 * for newer versions we can use mmap to reduce memory usage: 33 */ 34 #ifdef LIBELF_NO_MMAP 35 # define PERF_ELF_C_READ_MMAP ELF_C_READ 36 #else 37 # define PERF_ELF_C_READ_MMAP ELF_C_READ_MMAP 38 #endif 39 40 #ifndef DMGL_PARAMS 41 #define DMGL_PARAMS (1 << 0) /* Include function args */ 42 #define DMGL_ANSI (1 << 1) /* Include const, volatile, etc */ 43 #endif 44 45 struct symbol { 46 struct rb_node rb_node; 47 u64 start; 48 u64 end; 49 u64 obj_start; 50 u64 hist_sum; 51 u64 *hist; 52 struct module *module; 53 void *priv; 54 char name[0]; 55 }; 56 57 struct dso { 58 struct list_head node; 59 struct rb_root syms; 60 struct symbol *(*find_symbol)(struct dso *, u64 ip); 61 unsigned int sym_priv_size; 62 unsigned char adjust_symbols; 63 unsigned char slen_calculated; 64 unsigned char origin; 65 char name[0]; 66 }; 67 68 extern const char *sym_hist_filter; 69 70 typedef int (*symbol_filter_t)(struct dso *self, struct symbol *sym); 71 72 struct dso *dso__new(const char *name, unsigned int sym_priv_size); 73 void dso__delete(struct dso *self); 74 75 static inline void *dso__sym_priv(struct dso *self, struct symbol *sym) 76 { 77 return ((void *)sym) - self->sym_priv_size; 78 } 79 80 struct symbol *dso__find_symbol(struct dso *self, u64 ip); 81 82 int dso__load_kernel(struct dso *self, const char *vmlinux, 83 symbol_filter_t filter, int verbose, int modules); 84 int dso__load_modules(struct dso *self, symbol_filter_t filter, int verbose); 85 int dso__load(struct dso *self, symbol_filter_t filter, int verbose); 86 struct dso *dsos__findnew(const char *name); 87 void dsos__fprintf(FILE *fp); 88 89 size_t dso__fprintf(struct dso *self, FILE *fp); 90 char dso__symtab_origin(const struct dso *self); 91 92 int load_kernel(void); 93 94 void symbol__init(void); 95 96 extern struct list_head dsos; 97 extern struct dso *kernel_dso; 98 extern struct dso *vdso; 99 extern struct dso *hypervisor_dso; 100 extern const char *vmlinux_name; 101 extern int modules; 102 #endif /* _PERF_SYMBOL_ */ 103