e714d2eaa1
Signed-off-by: Domenico Andreoli <domenico.andreoli@linux.com> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
93 lines
2.0 KiB
C
93 lines
2.0 KiB
C
#ifndef _ELF_SYMTAB_H_
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#define _ELF_SYMTAB_H_ 1
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/*
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SPDX-License-Identifier: GPL-2.0-only
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Copyright (C) 2009 Red Hat Inc.
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Copyright (C) 2009 Arnaldo Carvalho de Melo <acme@redhat.com>
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*/
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#include <stdbool.h>
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#include <stdint.h>
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#include <gelf.h>
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#include <elf.h>
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struct elf_symtab {
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uint32_t nr_syms;
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Elf_Data *syms;
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Elf_Data *symstrs;
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char *name;
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};
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struct elf_symtab *elf_symtab__new(const char *name, Elf *elf, GElf_Ehdr *ehdr);
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void elf_symtab__delete(struct elf_symtab *symtab);
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static inline uint32_t elf_symtab__nr_symbols(const struct elf_symtab *symtab)
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{
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return symtab->nr_syms;
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}
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static inline const char *elf_sym__name(const GElf_Sym *sym,
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const struct elf_symtab *symtab)
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{
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return symtab->symstrs->d_buf + sym->st_name;
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}
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static inline uint8_t elf_sym__type(const GElf_Sym *sym)
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{
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return GELF_ST_TYPE(sym->st_info);
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}
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static inline uint16_t elf_sym__section(const GElf_Sym *sym)
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{
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return sym->st_shndx;
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}
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static inline uint8_t elf_sym__bind(const GElf_Sym *sym)
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{
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return GELF_ST_BIND(sym->st_info);
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}
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static inline uint8_t elf_sym__visibility(const GElf_Sym *sym)
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{
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return GELF_ST_VISIBILITY(sym->st_other);
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}
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static inline uint32_t elf_sym__size(const GElf_Sym *sym)
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{
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return sym->st_size;
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}
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static inline uint64_t elf_sym__value(const GElf_Sym *sym)
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{
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return sym->st_value;
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}
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static inline bool elf_sym__is_local_function(const GElf_Sym *sym)
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{
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return elf_sym__type(sym) == STT_FUNC &&
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sym->st_name != 0 &&
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sym->st_shndx != SHN_UNDEF;
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}
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static inline bool elf_sym__is_local_object(const GElf_Sym *sym)
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{
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return elf_sym__type(sym) == STT_OBJECT &&
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sym->st_name != 0 &&
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sym->st_shndx != SHN_UNDEF;
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}
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/**
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* elf_symtab__for_each_symbol - iterate thru all the symbols
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*
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* @symtab: struct elf_symtab instance to iterate
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* @index: uint32_t index
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* @sym: GElf_Sym iterator
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*/
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#define elf_symtab__for_each_symbol(symtab, index, sym) \
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for (index = 0, gelf_getsym(symtab->syms, index, &sym);\
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index < symtab->nr_syms; \
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index++, gelf_getsym(symtab->syms, index, &sym))
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#endif /* _ELF_SYMTAB_H_ */
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