#ifndef __PERF_MAP_H#define __PERF_MAP_H #include <linux/compiler.h>#include <linux/list.h>#include <linux/rbtree.h>#include <stdio.h>#include <stdbool.h>#include "types.h" enum map_type { MAP__FUNCTION = 0, MAP__VARIABLE,}; #define MAP__NR_TYPES (MAP__VARIABLE + 1) extern const char *map_type__name[MAP__NR_TYPES]; struct dso;struct ip_callchain;struct ref_reloc_sym;struct map_groups;struct machine;struct perf_evsel; struct map { union { struct rb_node rb_node; struct list_head node; }; u64 start; u64 end; u8 /* enum map_type */ type; bool referenced; bool erange_warned; u32 priv; u64 pgoff; /* ip -> dso rip */ u64 (*map_ip)(struct map *, u64); /* dso rip -> ip */ u64 (*unmap_ip)(struct map *, u64); struct dso *dso; struct map_groups *groups;}; struct kmap { struct ref_reloc_sym *ref_reloc_sym; struct map_groups *kmaps;}; struct map_groups { struct rb_root maps[MAP__NR_TYPES]; struct list_head removed_maps[MAP__NR_TYPES]; struct machine *machine;}; /* Native host kernel uses -1 as pid index in machine */#define HOST_KERNEL_ID (-1)#define DEFAULT_GUEST_KERNEL_ID (0) struct machine { struct rb_node rb_node; pid_t pid; u16 id_hdr_size; char *root_dir; struct rb_root threads; struct list_head dead_threads; struct thread *last_match; struct list_head user_dsos; struct list_head kernel_dsos; struct map_groups kmaps; struct map *vmlinux_maps[MAP__NR_TYPES];}; static inlinestruct map *machine__kernel_map(struct machine *self, enum map_type type){ return self->vmlinux_maps[type];} static inline struct kmap *map__kmap(struct map *self){ return (struct kmap *)(self + 1);} static inline u64 map__map_ip(struct map *map, u64 ip){ return ip - map->start + map->pgoff;} static inline u64 map__unmap_ip(struct map *map, u64 ip){ return ip + map->start - map->pgoff;} static inline u64 identity__map_ip(struct map *map __used, u64 ip){ return ip;} /* rip/ip <-> addr suitable for passing to `objdump --start-address=` */u64 map__rip_2objdump(struct map *map, u64 rip);u64 map__objdump_2ip(struct map *map, u64 addr); struct symbol; typedef int (*symbol_filter_t)(struct map *map, struct symbol *sym); void map__init(struct map *self, enum map_type type, u64 start, u64 end, u64 pgoff, struct dso *dso);struct map *map__new(struct list_head *dsos__list, u64 start, u64 len, u64 pgoff, u32 pid, char *filename, enum map_type type);void map__delete(struct map *self);struct map *map__clone(struct map *self);int map__overlap(struct map *l, struct map *r);size_t map__fprintf(struct map *self, FILE *fp);size_t map__fprintf_dsoname(struct map *map, FILE *fp); int map__load(struct map *self, symbol_filter_t filter);struct symbol *map__find_symbol(struct map *self, u64 addr, symbol_filter_t filter);struct symbol *map__find_symbol_by_name(struct map *self, const char *name, symbol_filter_t filter);void map__fixup_start(struct map *self);void map__fixup_end(struct map *self); void map__reloc_vmlinux(struct map *self); size_t __map_groups__fprintf_maps(struct map_groups *mg, enum map_type type, int verbose, FILE *fp);void maps__insert(struct rb_root *maps, struct map *map);void maps__remove(struct rb_root *maps, struct map *map);struct map *maps__find(struct rb_root *maps, u64 addr);void map_groups__init(struct map_groups *mg);void map_groups__exit(struct map_groups *mg);int map_groups__clone(struct map_groups *mg, struct map_groups *parent, enum map_type type);size_t map_groups__fprintf(struct map_groups *mg, int verbose, FILE *fp);size_t map_groups__fprintf_maps(struct map_groups *mg, int verbose, FILE *fp); typedef void (*machine__process_t)(struct machine *self, void *data); void machines__process(struct rb_root *self, machine__process_t process, void *data);struct machine *machines__add(struct rb_root *self, pid_t pid, const char *root_dir);struct machine *machines__find_host(struct rb_root *self);struct machine *machines__find(struct rb_root *self, pid_t pid);struct machine *machines__findnew(struct rb_root *self, pid_t pid);char *machine__mmap_name(struct machine *self, char *bf, size_t size);int machine__init(struct machine *self, const char *root_dir, pid_t pid);void machine__exit(struct machine *self);void machine__delete(struct machine *self); int machine__resolve_callchain(struct machine *machine, struct perf_evsel *evsel, struct thread *thread, struct ip_callchain *chain, struct symbol **parent);int maps__set_kallsyms_ref_reloc_sym(struct map **maps, const char *symbol_name, u64 addr); /* * Default guest kernel is defined by parameter --guestkallsyms * and --guestmodules */static inline bool machine__is_default_guest(struct machine *self){ return self ? self->pid == DEFAULT_GUEST_KERNEL_ID : false;} static inline bool machine__is_host(struct machine *self){ return self ? self->pid == HOST_KERNEL_ID : false;} static inline void map_groups__insert(struct map_groups *mg, struct map *map){ maps__insert(&mg->maps[map->type], map); map->groups = mg;} static inline void map_groups__remove(struct map_groups *mg, struct map *map){ maps__remove(&mg->maps[map->type], map);} static inline struct map *map_groups__find(struct map_groups *mg, enum map_type type, u64 addr){ return maps__find(&mg->maps[type], addr);} struct symbol *map_groups__find_symbol(struct map_groups *mg, enum map_type type, u64 addr, struct map **mapp, symbol_filter_t filter); struct symbol *map_groups__find_symbol_by_name(struct map_groups *mg, enum map_type type, const char *name, struct map **mapp, symbol_filter_t filter); struct thread *machine__findnew_thread(struct machine *machine, pid_t pid);void machine__remove_thread(struct machine *machine, struct thread *th); size_t machine__fprintf(struct machine *machine, FILE *fp); static inlinestruct symbol *machine__find_kernel_symbol(struct machine *self, enum map_type type, u64 addr, struct map **mapp, symbol_filter_t filter){ return map_groups__find_symbol(&self->kmaps, type, addr, mapp, filter);} static inlinestruct symbol *machine__find_kernel_function(struct machine *self, u64 addr, struct map **mapp, symbol_filter_t filter){ return machine__find_kernel_symbol(self, MAP__FUNCTION, addr, mapp, filter);} static inlinestruct symbol *map_groups__find_function_by_name(struct map_groups *mg, const char *name, struct map **mapp, symbol_filter_t filter){ return map_groups__find_symbol_by_name(mg, MAP__FUNCTION, name, mapp, filter);} static inlinestruct symbol *machine__find_kernel_function_by_name(struct machine *self, const char *name, struct map **mapp, symbol_filter_t filter){ return map_groups__find_function_by_name(&self->kmaps, name, mapp, filter);} int map_groups__fixup_overlappings(struct map_groups *mg, struct map *map, int verbose, FILE *fp); struct map *map_groups__find_by_name(struct map_groups *mg, enum map_type type, const char *name);struct map *machine__new_module(struct machine *self, u64 start, const char *filename); void map_groups__flush(struct map_groups *mg); #endif /* __PERF_MAP_H */
#ifndef __PERF_MAP_H
#define __PERF_MAP_H
#include <linux/compiler.h>
#include <linux/list.h>
#include <linux/rbtree.h>
#include <stdio.h>
#include <stdbool.h>
#include "types.h"
enum map_type {
MAP__FUNCTION = 0,
MAP__VARIABLE,
};
#define MAP__NR_TYPES (MAP__VARIABLE + 1)
extern const char *map_type__name[MAP__NR_TYPES];
struct dso;
struct ip_callchain;
struct ref_reloc_sym;
struct map_groups;
struct machine;
struct perf_evsel;
struct map {
union {
struct rb_node rb_node;
struct list_head node;
};
u64 start;
u64 end;
u8 /* enum map_type */ type;
bool referenced;
bool erange_warned;
u32 priv;
u64 pgoff;
/* ip -> dso rip */
u64 (*map_ip)(struct map *, u64);
/* dso rip -> ip */
u64 (*unmap_ip)(struct map *, u64);
struct dso *dso;
struct map_groups *groups;
};
struct kmap {
struct ref_reloc_sym *ref_reloc_sym;
struct map_groups *kmaps;
};
struct map_groups {
struct rb_root maps[MAP__NR_TYPES];
struct list_head removed_maps[MAP__NR_TYPES];
struct machine *machine;
};
/* Native host kernel uses -1 as pid index in machine */
#define HOST_KERNEL_ID (-1)
#define DEFAULT_GUEST_KERNEL_ID (0)
struct machine {
struct rb_node rb_node;
pid_t pid;
u16 id_hdr_size;
char *root_dir;
struct rb_root threads;
struct list_head dead_threads;
struct thread *last_match;
struct list_head user_dsos;
struct list_head kernel_dsos;
struct map_groups kmaps;
struct map *vmlinux_maps[MAP__NR_TYPES];
};
static inline
struct map *machine__kernel_map(struct machine *self, enum map_type type)
{
return self->vmlinux_maps[type];
}
static inline struct kmap *map__kmap(struct map *self)
{
return (struct kmap *)(self + 1);
}
static inline u64 map__map_ip(struct map *map, u64 ip)
{
return ip - map->start + map->pgoff;
}
static inline u64 map__unmap_ip(struct map *map, u64 ip)
{
return ip + map->start - map->pgoff;
}
static inline u64 identity__map_ip(struct map *map __used, u64 ip)
{
return ip;
}
/* rip/ip <-> addr suitable for passing to `objdump --start-address=` */
u64 map__rip_2objdump(struct map *map, u64 rip);
u64 map__objdump_2ip(struct map *map, u64 addr);
struct symbol;
typedef int (*symbol_filter_t)(struct map *map, struct symbol *sym);
void map__init(struct map *self, enum map_type type,
u64 start, u64 end, u64 pgoff, struct dso *dso);
struct map *map__new(struct list_head *dsos__list, u64 start, u64 len,
u64 pgoff, u32 pid, char *filename,
enum map_type type);
void map__delete(struct map *self);
struct map *map__clone(struct map *self);
int map__overlap(struct map *l, struct map *r);
size_t map__fprintf(struct map *self, FILE *fp);
size_t map__fprintf_dsoname(struct map *map, FILE *fp);
int map__load(struct map *self, symbol_filter_t filter);
struct symbol *map__find_symbol(struct map *self,
u64 addr, symbol_filter_t filter);
struct symbol *map__find_symbol_by_name(struct map *self, const char *name,
symbol_filter_t filter);
void map__fixup_start(struct map *self);
void map__fixup_end(struct map *self);
void map__reloc_vmlinux(struct map *self);
size_t __map_groups__fprintf_maps(struct map_groups *mg,
enum map_type type, int verbose, FILE *fp);
void maps__insert(struct rb_root *maps, struct map *map);
void maps__remove(struct rb_root *maps, struct map *map);
struct map *maps__find(struct rb_root *maps, u64 addr);
void map_groups__init(struct map_groups *mg);
void map_groups__exit(struct map_groups *mg);
int map_groups__clone(struct map_groups *mg,
struct map_groups *parent, enum map_type type);
size_t map_groups__fprintf(struct map_groups *mg, int verbose, FILE *fp);
size_t map_groups__fprintf_maps(struct map_groups *mg, int verbose, FILE *fp);
typedef void (*machine__process_t)(struct machine *self, void *data);
void machines__process(struct rb_root *self, machine__process_t process, void *data);
struct machine *machines__add(struct rb_root *self, pid_t pid,
const char *root_dir);
struct machine *machines__find_host(struct rb_root *self);
struct machine *machines__find(struct rb_root *self, pid_t pid);
struct machine *machines__findnew(struct rb_root *self, pid_t pid);
char *machine__mmap_name(struct machine *self, char *bf, size_t size);
int machine__init(struct machine *self, const char *root_dir, pid_t pid);
void machine__exit(struct machine *self);
void machine__delete(struct machine *self);
int machine__resolve_callchain(struct machine *machine,
struct perf_evsel *evsel, struct thread *thread,
struct ip_callchain *chain,
struct symbol **parent);
int maps__set_kallsyms_ref_reloc_sym(struct map **maps, const char *symbol_name,
u64 addr);
/*
* Default guest kernel is defined by parameter --guestkallsyms
* and --guestmodules
*/
static inline bool machine__is_default_guest(struct machine *self)
{
return self ? self->pid == DEFAULT_GUEST_KERNEL_ID : false;
}
static inline bool machine__is_host(struct machine *self)
{
return self ? self->pid == HOST_KERNEL_ID : false;
}
static inline void map_groups__insert(struct map_groups *mg, struct map *map)
{
maps__insert(&mg->maps[map->type], map);
map->groups = mg;
}
static inline void map_groups__remove(struct map_groups *mg, struct map *map)
{
maps__remove(&mg->maps[map->type], map);
}
static inline struct map *map_groups__find(struct map_groups *mg,
enum map_type type, u64 addr)
{
return maps__find(&mg->maps[type], addr);
}
struct symbol *map_groups__find_symbol(struct map_groups *mg,
enum map_type type, u64 addr,
struct map **mapp,
symbol_filter_t filter);
struct symbol *map_groups__find_symbol_by_name(struct map_groups *mg,
enum map_type type,
const char *name,
struct map **mapp,
symbol_filter_t filter);
struct thread *machine__findnew_thread(struct machine *machine, pid_t pid);
void machine__remove_thread(struct machine *machine, struct thread *th);
size_t machine__fprintf(struct machine *machine, FILE *fp);
static inline
struct symbol *machine__find_kernel_symbol(struct machine *self,
enum map_type type, u64 addr,
struct map **mapp,
symbol_filter_t filter)
{
return map_groups__find_symbol(&self->kmaps, type, addr, mapp, filter);
}
static inline
struct symbol *machine__find_kernel_function(struct machine *self, u64 addr,
struct map **mapp,
symbol_filter_t filter)
{
return machine__find_kernel_symbol(self, MAP__FUNCTION, addr, mapp, filter);
}
static inline
struct symbol *map_groups__find_function_by_name(struct map_groups *mg,
const char *name, struct map **mapp,
symbol_filter_t filter)
{
return map_groups__find_symbol_by_name(mg, MAP__FUNCTION, name, mapp, filter);
}
static inline
struct symbol *machine__find_kernel_function_by_name(struct machine *self,
const char *name,
struct map **mapp,
symbol_filter_t filter)
{
return map_groups__find_function_by_name(&self->kmaps, name, mapp,
filter);
}
int map_groups__fixup_overlappings(struct map_groups *mg, struct map *map,
int verbose, FILE *fp);
struct map *map_groups__find_by_name(struct map_groups *mg,
enum map_type type, const char *name);
struct map *machine__new_module(struct machine *self, u64 start, const char *filename);
void map_groups__flush(struct map_groups *mg);
#endif /* __PERF_MAP_H */