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#ifndef UFTRACE_DWARF_H
#define UFTRACE_DWARF_H
#include <stdbool.h>
#include <stdint.h>
#include <stdio.h>
#include "utils/filter.h"
#include "utils/rbtree.h"
struct uftrace_sym_info;
#ifdef HAVE_LIBDW
#include <elfutils/libdw.h>
#else
#define Dwarf void
#endif
struct uftrace_dbg_file {
/* saved in uftrace_dbg_info.files */
struct rb_node node;
/* source file name */
char *name;
};
/* we only keep the start location of symbol */
struct uftrace_dbg_loc {
/* symbol for this location */
struct uftrace_symbol *sym;
/* filename info */
struct uftrace_dbg_file *file;
/* line number info */
int line;
};
struct uftrace_dbg_info {
/* opaque DWARF info pointer */
Dwarf *dw;
/* start address in memory for this module */
uint64_t offset;
/* rb tree of arguments */
struct rb_root args;
/* rb tree of return values */
struct rb_root rets;
/* rb tree of enum tags/values */
struct rb_root enums;
/* rb tree of file info */
struct rb_root files;
/* array of location - same order as symbol */
struct uftrace_dbg_loc *locs;
/* number of debug location info */
size_t nr_locs;
/* number of actually used debug location info */
size_t nr_locs_used;
/* ELF file type - EXEC, REL, DYN */
int file_type;
/* whether it needs to parse argument info */
bool needs_args;
/* whether it's loaded already */
bool loaded;
/* name of common directory path for source files (can be %NULL) */
char *base_dir;
};
extern void prepare_debug_info(struct uftrace_sym_info *sinfo, enum uftrace_pattern_type ptype,
char *argspec, char *retspec, bool auto_args, bool force);
extern void finish_debug_info(struct uftrace_sym_info *sinfo);
extern bool debug_info_has_argspec(struct uftrace_dbg_info *dinfo);
extern bool debug_info_has_location(struct uftrace_dbg_info *dinfo);
extern char *get_dwarf_argspec(struct uftrace_dbg_info *dinfo, char *name, unsigned long addr);
extern char *get_dwarf_retspec(struct uftrace_dbg_info *dinfo, char *name, unsigned long addr);
struct uftrace_dbg_loc *find_file_line(struct uftrace_sym_info *sinfo, uint64_t addr);
extern void save_debug_info(struct uftrace_sym_info *sinfo, const char *dirname);
extern void load_debug_info(struct uftrace_sym_info *sinfo, bool needs_srcline);
extern void save_debug_file(FILE *fp, char code, char *str, unsigned long val);
#endif /* UFTRACE_DWARF_H */
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