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#ifndef _ELF_SYMTAB_H_
#define _ELF_SYMTAB_H_ 1
/*
Copyright (C) 2009 Red Hat Inc.
Copyright (C) 2009 Arnaldo Carvalho de Melo <acme@redhat.com>
This program is free software; you can redistribute it and/or modify it
under the terms of version 2 of the GNU General Public License as
published by the Free Software Foundation.
*/
#include <stdbool.h>
#include <stdint.h>
#include <gelf.h>
#include <elf.h>
struct elf_symtab {
uint32_t nr_syms;
Elf_Data *syms;
Elf_Data *symstrs;
char *name;
};
struct elf_symtab *elf_symtab__new(const char *name, Elf *elf, GElf_Ehdr *ehdr);
void elf_symtab__delete(struct elf_symtab *self);
static inline uint32_t elf_symtab__nr_symbols(const struct elf_symtab *self)
{
return self->nr_syms;
}
static inline const char *elf_sym__name(const GElf_Sym *sym,
const struct elf_symtab *symtab)
{
return symtab->symstrs->d_buf + sym->st_name;
}
static inline uint8_t elf_sym__type(const GElf_Sym *sym)
{
return GELF_ST_TYPE(sym->st_info);
}
static inline uint16_t elf_sym__section(const GElf_Sym *sym)
{
return sym->st_shndx;
}
static inline uint8_t elf_sym__bind(const GElf_Sym *sym)
{
return GELF_ST_BIND(sym->st_info);
}
static inline uint8_t elf_sym__visibility(const GElf_Sym *sym)
{
return GELF_ST_VISIBILITY(sym->st_other);
}
static inline uint32_t elf_sym__size(const GElf_Sym *sym)
{
return sym->st_size;
}
static inline uint64_t elf_sym__value(const GElf_Sym *sym)
{
return sym->st_value;
}
static inline bool elf_sym__is_local_function(const GElf_Sym *sym)
{
return elf_sym__type(sym) == STT_FUNC &&
sym->st_name != 0 &&
sym->st_shndx != SHN_UNDEF;
}
static inline bool elf_sym__is_local_object(const GElf_Sym *sym)
{
return elf_sym__type(sym) == STT_OBJECT &&
sym->st_name != 0 &&
sym->st_shndx != SHN_UNDEF;
}
/**
* elf_symtab__for_each_symbol - iterate thru all the symbols
*
* @self: struct elf_symtab instance to iterate
* @index: uint32_t index
* @sym: GElf_Sym iterator
*/
#define elf_symtab__for_each_symbol(self, index, sym) \
for (index = 0, gelf_getsym(self->syms, index, &sym);\
index < self->nr_syms; \
index++, gelf_getsym(self->syms, index, &sym))
#endif /* _ELF_SYMTAB_H_ */