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#ifndef __PERF_MAP_H
#define __PERF_MAP_H
#include <linux/compiler.h>
#include <linux/list.h>
#include <linux/rbtree.h>
#include <stdio.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 ref_reloc_sym;
struct map_groups;
struct kernel_info;
struct map {
union {
struct rb_node rb_node;
struct list_head node;
};
u64 start;
u64 end;
enum map_type type;
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 kernel_info *this_kerninfo;
};
/* Native host kernel uses -1 as pid index in kernel_info */
#define HOST_KERNEL_ID (-1)
#define DEFAULT_GUEST_KERNEL_ID (0)
struct kernel_info {
struct rb_node rb_node;
pid_t pid;
char *root_dir;
struct list_head dsos__user;
struct list_head dsos__kernel;
struct map_groups kmaps;
struct map *vmlinux_maps[MAP__NR_TYPES];
};
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, char *cwd, int cwdlen);
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);
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 *self,
enum map_type type, int verbose, FILE *fp);
void maps__insert(struct rb_root *maps, struct map *map);
struct map *maps__find(struct rb_root *maps, u64 addr);
void map_groups__init(struct map_groups *self);
int map_groups__clone(struct map_groups *self,
struct map_groups *parent, enum map_type type);
size_t map_groups__fprintf(struct map_groups *self, int verbose, FILE *fp);
size_t map_groups__fprintf_maps(struct map_groups *self, int verbose, FILE *fp);
struct kernel_info *add_new_kernel_info(struct rb_root *kerninfo_root,
pid_t pid, const char *root_dir);
struct kernel_info *kerninfo__find(struct rb_root *kerninfo_root, pid_t pid);
struct kernel_info *kerninfo__findnew(struct rb_root *kerninfo_root, pid_t pid);
struct kernel_info *kerninfo__findhost(struct rb_root *kerninfo_root);
char *kern_mmap_name(struct kernel_info *kerninfo, char *buff);
/*
* Default guest kernel is defined by parameter --guestkallsyms
* and --guestmodules
*/
static inline int is_default_guest(struct kernel_info *kerninfo)
{
if (!kerninfo)
return 0;
return kerninfo->pid == DEFAULT_GUEST_KERNEL_ID;
}
static inline int is_host_kernel(struct kernel_info *kerninfo)
{
if (!kerninfo)
return 0;
return kerninfo->pid == HOST_KERNEL_ID;
}
typedef void (*process_kernel_info)(struct kernel_info *kerninfo, void *data);
void kerninfo__process_allkernels(struct rb_root *kerninfo_root,
process_kernel_info process,
void *data);
static inline void map_groups__insert(struct map_groups *self, struct map *map)
{
maps__insert(&self->maps[map->type], map);
map->groups = self;
}
static inline struct map *map_groups__find(struct map_groups *self,
enum map_type type, u64 addr)
{
return maps__find(&self->maps[type], addr);
}
struct symbol *map_groups__find_symbol(struct map_groups *self,
enum map_type type, u64 addr,
struct map **mapp,
symbol_filter_t filter);
struct symbol *map_groups__find_symbol_by_name(struct map_groups *self,
enum map_type type,
const char *name,
struct map **mapp,
symbol_filter_t filter);
static inline
struct symbol *map_groups__find_function(struct map_groups *self, u64 addr,
struct map **mapp, symbol_filter_t filter)
{
return map_groups__find_symbol(self, MAP__FUNCTION, addr, mapp, filter);
}
static inline
struct symbol *map_groups__find_function_by_name(struct map_groups *self,
const char *name, struct map **mapp,
symbol_filter_t filter)
{
return map_groups__find_symbol_by_name(self, MAP__FUNCTION, name, mapp, filter);
}
int map_groups__fixup_overlappings(struct map_groups *self, struct map *map,
int verbose, FILE *fp);
struct map *map_groups__find_by_name(struct map_groups *self,
enum map_type type, const char *name);
struct map *map_groups__new_module(struct map_groups *self,
u64 start,
const char *filename,
struct kernel_info *kerninfo);
void map_groups__flush(struct map_groups *self);
#endif /* __PERF_MAP_H */
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