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Rev | Author | Line No. | Line |
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5191 | serge | 1 | /* coff information for Renesas SH |
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6324 | serge | 3 | Copyright (C) 2000-2015 Free Software Foundation, Inc. |
5191 | serge | 4 | |
5 | This program is free software; you can redistribute it and/or modify |
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6 | it under the terms of the GNU General Public License as published by |
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7 | the Free Software Foundation; either version 3 of the License, or |
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8 | (at your option) any later version. |
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9 | |||
10 | This program is distributed in the hope that it will be useful, |
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11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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13 | GNU General Public License for more details. |
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14 | |||
15 | You should have received a copy of the GNU General Public License |
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16 | along with this program; if not, write to the Free Software |
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17 | Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, |
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18 | MA 02110-1301, USA. */ |
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19 | |||
20 | #ifdef COFF_WITH_PE |
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21 | #define L_LNNO_SIZE 2 |
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22 | #else |
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23 | #define L_LNNO_SIZE 4 |
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24 | #endif |
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25 | #define INCLUDE_COMDAT_FIELDS_IN_AUXENT |
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26 | #include "coff/external.h" |
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27 | |||
28 | #define SH_ARCH_MAGIC_BIG 0x0500 |
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29 | #define SH_ARCH_MAGIC_LITTLE 0x0550 /* Little endian SH */ |
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30 | #define SH_ARCH_MAGIC_WINCE 0x01a2 /* Windows CE - little endian */ |
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31 | #define SH_PE_MAGIC 0x010b |
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32 | |||
33 | #define SHBADMAG(x) \ |
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34 | (((x).f_magic != SH_ARCH_MAGIC_BIG) && \ |
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35 | ((x).f_magic != SH_ARCH_MAGIC_WINCE) && \ |
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36 | ((x).f_magic != SH_ARCH_MAGIC_LITTLE)) |
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37 | |||
38 | /* Define some NT default values. */ |
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39 | /* #define NT_IMAGE_BASE 0x400000 moved to internal.h */ |
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40 | #define NT_SECTION_ALIGNMENT 0x1000 |
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41 | #define NT_FILE_ALIGNMENT 0x200 |
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42 | #define NT_DEF_RESERVE 0x100000 |
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43 | #define NT_DEF_COMMIT 0x1000 |
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44 | |||
45 | /********************** RELOCATION DIRECTIVES **********************/ |
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46 | |||
47 | /* The external reloc has an offset field, because some of the reloc |
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48 | types on the h8 don't have room in the instruction for the entire |
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49 | offset - eg the strange jump and high page addressing modes. */ |
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50 | |||
51 | #ifndef COFF_WITH_PE |
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52 | struct external_reloc |
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53 | { |
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54 | char r_vaddr[4]; |
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55 | char r_symndx[4]; |
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56 | char r_offset[4]; |
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57 | char r_type[2]; |
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58 | char r_stuff[2]; |
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59 | }; |
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60 | #else |
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61 | struct external_reloc |
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62 | { |
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63 | char r_vaddr[4]; |
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64 | char r_symndx[4]; |
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65 | char r_type[2]; |
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66 | }; |
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67 | #endif |
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68 | |||
69 | #define RELOC struct external_reloc |
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70 | #ifdef COFF_WITH_PE |
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71 | #define RELSZ 10 |
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72 | #else |
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73 | #define RELSZ 16 |
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74 | #endif |
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75 | |||
76 | /* SH relocation types. Not all of these are actually used. */ |
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77 | |||
78 | #define R_SH_UNUSED 0 /* only used internally */ |
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79 | #define R_SH_IMM32CE 2 /* 32 bit immediate for WinCE */ |
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80 | #define R_SH_PCREL8 3 /* 8 bit pcrel */ |
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81 | #define R_SH_PCREL16 4 /* 16 bit pcrel */ |
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82 | #define R_SH_HIGH8 5 /* high 8 bits of 24 bit address */ |
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83 | #define R_SH_LOW16 7 /* low 16 bits of 24 bit immediate */ |
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84 | #define R_SH_IMM24 6 /* 24 bit immediate */ |
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85 | #define R_SH_PCDISP8BY4 9 /* PC rel 8 bits *4 +ve */ |
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86 | #define R_SH_PCDISP8BY2 10 /* PC rel 8 bits *2 +ve */ |
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87 | #define R_SH_PCDISP8 11 /* 8 bit branch */ |
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88 | #define R_SH_PCDISP 12 /* 12 bit branch */ |
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89 | #define R_SH_IMM32 14 /* 32 bit immediate */ |
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90 | #define R_SH_IMM8 16 /* 8 bit immediate */ |
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91 | #define R_SH_IMAGEBASE 16 /* Windows CE */ |
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92 | #define R_SH_IMM8BY2 17 /* 8 bit immediate *2 */ |
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93 | #define R_SH_IMM8BY4 18 /* 8 bit immediate *4 */ |
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94 | #define R_SH_IMM4 19 /* 4 bit immediate */ |
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95 | #define R_SH_IMM4BY2 20 /* 4 bit immediate *2 */ |
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96 | #define R_SH_IMM4BY4 21 /* 4 bit immediate *4 */ |
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97 | #define R_SH_PCRELIMM8BY2 22 /* PC rel 8 bits *2 unsigned */ |
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98 | #define R_SH_PCRELIMM8BY4 23 /* PC rel 8 bits *4 unsigned */ |
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99 | #define R_SH_IMM16 24 /* 16 bit immediate */ |
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100 | |||
101 | /* The switch table reloc types are used for relaxing. They are |
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102 | generated for expressions such as |
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103 | .word L1 - L2 |
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104 | The r_offset field holds the difference between the reloc address |
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105 | and L2. */ |
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106 | #define R_SH_SWITCH8 33 /* 8 bit switch table entry */ |
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107 | #define R_SH_SWITCH16 25 /* 16 bit switch table entry */ |
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108 | #define R_SH_SWITCH32 26 /* 32 bit switch table entry */ |
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109 | |||
110 | /* The USES reloc type is used for relaxing. The compiler will |
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111 | generate .uses pseudo-ops when it finds a function call which it |
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112 | can relax. The r_offset field of the USES reloc holds the PC |
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113 | relative offset to the instruction which loads the register used in |
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114 | the function call. */ |
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115 | #define R_SH_USES 27 /* .uses pseudo-op */ |
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116 | |||
117 | /* The COUNT reloc type is used for relaxing. The assembler will |
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118 | generate COUNT relocs for addresses referred to by the register |
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119 | loads associated with USES relocs. The r_offset field of the COUNT |
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120 | reloc holds the number of times the address is referenced in the |
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121 | object file. */ |
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122 | #define R_SH_COUNT 28 /* Count of constant pool uses */ |
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123 | |||
124 | /* The ALIGN reloc type is used for relaxing. The r_offset field is |
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125 | the power of two to which subsequent portions of the object file |
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126 | must be aligned. */ |
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127 | #define R_SH_ALIGN 29 /* .align pseudo-op */ |
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128 | |||
129 | /* The CODE and DATA reloc types are used for aligning load and store |
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130 | instructions. The assembler will generate a CODE reloc before a |
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131 | block of instructions. It will generate a DATA reloc before data. |
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132 | A section should be processed assuming it contains data, unless a |
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133 | CODE reloc is seen. The only relevant pieces of information in the |
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134 | CODE and DATA relocs are the section and the address. The symbol |
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135 | and offset are meaningless. */ |
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136 | #define R_SH_CODE 30 /* start of code */ |
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137 | #define R_SH_DATA 31 /* start of data */ |
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138 | |||
139 | /* The LABEL reloc type is used for aligning load and store |
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140 | instructions. The assembler will generate a LABEL reloc for each |
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141 | label within a block of instructions. This permits the linker to |
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142 | avoid swapping instructions which are the targets of branches. */ |
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143 | #define R_SH_LABEL 32 /* label */ |
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144 | |||
145 | /* NB: R_SH_SWITCH8 is 33 */ |
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146 | |||
147 | #define R_SH_LOOP_START 34 |
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148 | #define R_SH_LOOP_END 35 |