text: #ifndef _ELF_SYMTAB_H_
  #define _ELF_SYMTAB_H_ 1
  /*
    SPDX-License-Identifier: GPL-2.0-only
  
    Copyright (C) 2009 Red Hat Inc.
    Copyright (C) 2009 Arnaldo Carvalho de Melo <acme@redhat.com>
  */
  
  #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 *symtab);
  
  static inline uint32_t elf_symtab__nr_symbols(const struct elf_symtab *symtab)
  {
  	return symtab->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
   *
   * @symtab: struct elf_symtab instance to iterate
   * @index: uint32_t index
   * @sym: GElf_Sym iterator
   */
  #define elf_symtab__for_each_symbol(symtab, index, sym) \
  	for (index = 0, gelf_getsym(symtab->syms, index, &sym);\
  	     index < symtab->nr_syms; \
  	     index++, gelf_getsym(symtab->syms, index, &sym))
  
  #endif /* _ELF_SYMTAB_H_ */
  