1 /* Copyright (C) 2021 Free Software Foundation, Inc.
4 This file is part of GNU Binutils.
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 3, or (at your option)
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this program; if not, write to the Free Software
18 Foundation, 51 Franklin Street - Fifth Floor, Boston,
19 MA 02110-1301, USA. */
27 #include "elf/common.h"
28 #include "elf/internal.h"
30 #include "Data_window.h"
35 template <class ITEM> class Vector;
36 template <typename Key_t, typename Value_t> class Map;
38 #define GELF_R_SYM(info) ((info)>>32)
39 #define GELF_ST_TYPE(info) ((info) & 0xf)
40 #define GELF_ST_BIND(info) ((info) >> 4)
41 #define GELF_R_TYPE(info) ((((uint64_t)(info))<<56)>>56)
43 #define SHF_SUNW_ABSENT 0x00200000 /* section data not present */
46 #define ANC_SUNW_NULL 0
47 #define ANC_SUNW_CHECKSUM 1 /* elf checksum */
48 #define ANC_SUNW_MEMBER 2 /* name of ancillary group object */
49 #define ANC_SUNW_NUM 3
52 typedef struct S_Elf64_Dyn Elf64_Dyn;
53 typedef struct S_Elf64_Ancillary Elf64_Ancillary;
60 uint64_t d_off; // offset into section
61 uint64_t d_align; // alignment in section
64 class Elf : public DbeMessages, public Data_window
70 ELF_ERR_CANT_OPEN_FILE,
73 ELF_ERR_BAD_ELF_FORMAT,
80 static void elf_init ();
81 static unsigned elf_version (unsigned ver);
82 static Elf *elf_begin (char *_fname, Elf_status *stp = NULL);
84 unsigned int elf_get_sec_num (const char *sec_name);
85 char *get_sec_name (unsigned int sec);
86 Elf_Internal_Ehdr *elf_getehdr ();
87 Elf_Internal_Phdr *get_phdr (unsigned int ndx);
88 Elf_Internal_Shdr *get_shdr (unsigned int ndx);
89 Elf64_Dyn *elf_getdyn (Elf_Internal_Phdr *phdr, unsigned int ndx, Elf64_Dyn *pdyn);
90 Elf_Data *elf_getdata (unsigned int sec);
91 int64_t elf_checksum ();
92 uint64_t get_baseAddr();
93 char *elf_strptr (unsigned int sec, uint64_t off);
94 Elf_Internal_Sym *elf_getsym (Elf_Data *edta, unsigned int ndx, Elf_Internal_Sym *dst);
95 Elf_Internal_Rela *elf_getrel (Elf_Data *edta, unsigned int ndx, Elf_Internal_Rela *dst);
96 Elf_Internal_Rela *elf_getrela (Elf_Data *edta, unsigned int ndx, Elf_Internal_Rela *dst);
97 Elf64_Ancillary *elf_getancillary (Elf_Data *edta, unsigned int ndx, Elf64_Ancillary *dst);
98 Elf *find_ancillary_files (char *lo_name); // read the .gnu_debuglink and .SUNW_ancillary seections
99 char *get_location ();
101 void dump_elf_sec ();
103 static inline int64_t
104 normalize_checksum (int64_t chk)
106 return (chk == 0xffffffff || chk == -1) ? 0 : chk;
112 return elf_datatype == ELFDATA2LSB;
128 Vector<Elf*> *ancillary_files;
131 Map<const char*, Symbol*> *elfSymbols;
132 unsigned int gnuLink, analyzerInfo, SUNW_ldynsym, stab, stabStr, symtab, dynsym;
133 unsigned int stabIndex, stabIndexStr, stabExcl, stabExclStr, info, plt;
137 Elf *get_related_file (const char *lo_name, const char *nm);
140 Elf_Internal_Ehdr *ehdrp;
143 static int bfd_status;
157 static ElfReloc *get_elf_reloc (Elf *elf, char *sec_name, ElfReloc *rlc);
158 ElfReloc (Elf *_elf);
160 long long get_reloc_addr (long long offset);
162 void dump_rela_debug_sec (int sec);
166 Vector<Sreloc *> *reloc;