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      1 /* PEF support for BFD.
      2    Copyright (C) 1999-2016 Free Software Foundation, Inc.
      3 
      4    This file is part of BFD, the Binary File Descriptor library.
      5 
      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 of the License, or
      9    (at your option) any later version.
     10 
     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.
     15 
     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, Inc., 51 Franklin Street - Fifth Floor, Boston,
     19    MA 02110-1301, USA.  */
     20 
     21 #include "sysdep.h"
     22 #include "bfd.h"
     23 
     24 #include <stdio.h>
     25 
     26 struct bfd_pef_header
     27 {
     28   unsigned long tag1;
     29   unsigned long tag2;
     30   unsigned long architecture;
     31   unsigned long format_version;
     32   unsigned long timestamp;
     33   unsigned long old_definition_version;
     34   unsigned long old_implementation_version;
     35   unsigned long current_version;
     36   unsigned short section_count;
     37   unsigned short instantiated_section_count;
     38   unsigned long reserved;
     39 };
     40 typedef struct bfd_pef_header bfd_pef_header;
     41 
     42 struct bfd_pef_loader_header
     43 {
     44   long main_section;
     45   unsigned long main_offset;
     46   long init_section;
     47   unsigned long init_offset;
     48   long term_section;
     49   unsigned long term_offset;
     50   unsigned long imported_library_count;
     51   unsigned long total_imported_symbol_count;
     52   unsigned long reloc_section_count;
     53   unsigned long reloc_instr_offset;
     54   unsigned long loader_strings_offset;
     55   unsigned long export_hash_offset;
     56   unsigned long export_hash_table_power;
     57   unsigned long exported_symbol_count;
     58 };
     59 typedef struct bfd_pef_loader_header bfd_pef_loader_header;
     60 
     61 struct bfd_pef_imported_library
     62 {
     63   unsigned long name_offset;
     64   unsigned long old_implementation_version;
     65   unsigned long current_version;
     66   unsigned long imported_symbol_count;
     67   unsigned long first_imported_symbol;
     68   unsigned char options;
     69   unsigned char reserved_a;
     70   unsigned short reserved_b;
     71 };
     72 typedef struct bfd_pef_imported_library bfd_pef_imported_library;
     73 
     74 enum bfd_pef_imported_library_options
     75   {
     76     BFD_PEF_WEAK_IMPORT_LIB = 0x40,
     77     BFD_PEF_INIT_LIB_BEFORE = 0x80
     78   };
     79 
     80 struct bfd_pef_imported_symbol
     81 {
     82   unsigned char symbol_class;
     83   unsigned long name;
     84 };
     85 typedef struct bfd_pef_imported_symbol bfd_pef_imported_symbol;
     86 
     87 enum bfd_pef_imported_symbol_class
     88   {
     89     BFD_PEF_CODE_SYMBOL = 0x00,
     90     BFD_PEF_DATA_SYMBOL = 0x01,
     91     BFD_PEF_TVECTOR_SYMBOL = 0x02,
     92     BFD_PEF_TOC_SYMBOL = 0x03,
     93     BFD_PEF_GLUE_SYMBOL = 0x04,
     94     BFD_PEF_UNDEFINED_SYMBOL = 0x0F,
     95     BFD_PEF_WEAK_IMPORT_SYMBOL_MASK = 0x80
     96   };
     97 
     98 #define BFD_PEF_TAG1 0x4A6F7921 /* 'Joy!' */
     99 #define BFD_PEF_TAG2 0x70656666 /* 'peff' */
    100 
    101 #define BFD_PEF_VERSION 0x00000001
    102 
    103 struct bfd_pef_section
    104 {
    105   long name_offset;
    106   unsigned long header_offset;
    107   unsigned long default_address;
    108   unsigned long total_length;
    109   unsigned long unpacked_length;
    110   unsigned long container_length;
    111   unsigned long container_offset;
    112   unsigned char section_kind;
    113   unsigned char share_kind;
    114   unsigned char alignment;
    115   unsigned char reserved;
    116   asection *bfd_section;
    117 };
    118 typedef struct bfd_pef_section bfd_pef_section;
    119 
    120 #define BFD_PEF_SECTION_CODE 0
    121 #define BFD_PEF_SECTION_UNPACKED_DATA 1
    122 #define BFD_PEF_SECTION_PACKED_DATA 2
    123 #define BFD_PEF_SECTION_CONSTANT 3
    124 #define BFD_PEF_SECTION_LOADER 4
    125 #define BFD_PEF_SECTION_DEBUG 5
    126 #define BFD_PEF_SECTION_EXEC_DATA 6
    127 #define BFD_PEF_SECTION_EXCEPTION 7
    128 #define BFD_PEF_SECTION_TRACEBACK 8
    129 
    130 #define BFD_PEF_SHARE_PROCESS 1
    131 #define BFD_PEF_SHARE_GLOBAL 4
    132 #define BFD_PEF_SHARE_PROTECTED 5
    133 
    134 struct bfd_pef_data_struct
    135 {
    136   bfd_pef_header header;
    137   bfd_pef_section *sections;
    138   bfd *ibfd;
    139 };
    140 typedef struct bfd_pef_data_struct bfd_pef_data_struct;
    141 
    142 #define BFD_PEF_XLIB_TAG1 0xF04D6163 /* '?Mac' */
    143 #define BFD_PEF_VLIB_TAG2 0x564C6962 /* 'VLib' */
    144 #define BFD_PEF_BLIB_TAG2 0x424C6962 /* 'BLib' */
    145 
    146 #define BFD_PEF_XLIB_VERSION 0x00000001
    147 
    148 struct bfd_pef_xlib_header
    149 {
    150   unsigned long tag1;
    151   unsigned long tag2;
    152   unsigned long current_format;
    153   unsigned long container_strings_offset;
    154   unsigned long export_hash_offset;
    155   unsigned long export_key_offset;
    156   unsigned long export_symbol_offset;
    157   unsigned long export_names_offset;
    158   unsigned long export_hash_table_power;
    159   unsigned long exported_symbol_count;
    160 
    161   unsigned long frag_name_offset;
    162   unsigned long frag_name_length;
    163   unsigned long dylib_path_offset;
    164   unsigned long dylib_path_length;
    165   unsigned long cpu_family;
    166   unsigned long cpu_model;
    167   unsigned long date_time_stamp;
    168   unsigned long current_version;
    169   unsigned long old_definition_version;
    170   unsigned long old_implementation_version;
    171 };
    172 typedef struct bfd_pef_xlib_header bfd_pef_xlib_header;
    173 
    174 struct bfd_pef_xlib_data_struct
    175 {
    176   bfd_pef_xlib_header header;
    177 };
    178 typedef struct bfd_pef_xlib_data_struct bfd_pef_xlib_data_struct;
    179 
    180 int  bfd_pef_parse_loader_header    (bfd *, unsigned char *, size_t, bfd_pef_loader_header *);
    181 int  bfd_pef_print_loader_section   (bfd *, FILE *);
    182 void bfd_pef_print_loader_header    (bfd *, bfd_pef_loader_header *, FILE *);
    183 int  bfd_pef_parse_imported_library (bfd *, unsigned char *, size_t, bfd_pef_imported_library *);
    184 int  bfd_pef_parse_imported_symbol  (bfd *, unsigned char *, size_t, bfd_pef_imported_symbol *);
    185 int  bfd_pef_scan_section           (bfd *, bfd_pef_section *);
    186 int  bfd_pef_scan_start_address     (bfd *);
    187 int  bfd_pef_scan                   (bfd *, bfd_pef_header *, bfd_pef_data_struct *);
    188