| 1 | |
| 2 | |
| 3 | /* |
| 4 | |
| 5 | new age linking |
| 6 | |
| 7 | |
| 8 | Tie together all the interseting blocks |
| 9 | |
| 10 | */ |
| 11 | |
| 12 | |
| 13 | #include "bfd.h" |
| 14 | #include "../bfd/seclet.h" |
| 15 | #include "coff/internal.h" |
| 16 | #include "sysdep.h" |
| 17 | |
| 18 | #include "ldlang.h" |
| 19 | #include "ld.h" |
| 20 | #include "ldwrite.h" |
| 21 | #include "ldmisc.h" |
| 22 | #include "ldsym.h" |
| 23 | #include "ldgram.h" |
| 24 | #include "relax.h" |
| 25 | static void |
| 26 | DEFUN(build_it,(statement), |
| 27 | lang_statement_union_type *statement) |
| 28 | { |
| 29 | switch (statement->header.type) { |
| 30 | #if 0 |
| 31 | { |
| 32 | |
| 33 | bfd_byte play_area[SHORT_SIZE]; |
| 34 | unsigned int i; |
| 35 | bfd_putshort(output_bfd, statement->fill_statement.fill, play_area); |
| 36 | /* Write out all entire shorts */ |
| 37 | for (i = 0; |
| 38 | i < statement->fill_statement.size - SHORT_SIZE + 1; |
| 39 | i+= SHORT_SIZE) |
| 40 | { |
| 41 | bfd_set_section_contents(output_bfd, |
| 42 | statement->fill_statement.output_section, |
| 43 | play_area, |
| 44 | statement->data_statement.output_offset +i, |
| 45 | SHORT_SIZE); |
| 46 | |
| 47 | } |
| 48 | |
| 49 | /* Now write any remaining byte */ |
| 50 | if (i < statement->fill_statement.size) |
| 51 | { |
| 52 | bfd_set_section_contents(output_bfd, |
| 53 | statement->fill_statement.output_section, |
| 54 | play_area, |
| 55 | statement->data_statement.output_offset +i, |
| 56 | 1); |
| 57 | |
| 58 | } |
| 59 | |
| 60 | abort(); |
| 61 | } |
| 62 | break; |
| 63 | #endif |
| 64 | case lang_data_statement_enum: |
| 65 | #if 0 |
| 66 | { |
| 67 | |
| 68 | bfd_vma value = statement->data_statement.value; |
| 69 | bfd_byte play_area[LONG_SIZE]; |
| 70 | unsigned int size = 0; |
| 71 | switch (statement->data_statement.type) { |
| 72 | case LONG: |
| 73 | bfd_put_32(output_bfd, value, play_area); |
| 74 | size = LONG_SIZE; |
| 75 | break; |
| 76 | case SHORT: |
| 77 | bfd_put_16(output_bfd, value, play_area); |
| 78 | size = SHORT_SIZE; |
| 79 | break; |
| 80 | case BYTE: |
| 81 | bfd_put_8(output_bfd, value, play_area); |
| 82 | size = BYTE_SIZE; |
| 83 | break; |
| 84 | } |
| 85 | |
| 86 | bfd_set_section_contents(output_bfd, |
| 87 | statement->data_statement.output_section, |
| 88 | play_area, |
| 89 | statement->data_statement.output_vma, |
| 90 | size); |
| 91 | |
| 92 | |
| 93 | |
| 94 | } |
| 95 | #endif |
| 96 | break; |
| 97 | case lang_input_section_enum: |
| 98 | { |
| 99 | /* Create a new seclet in the output section with this |
| 100 | attached */ |
| 101 | if (statement->input_section.ifile->just_syms_flag == false) |
| 102 | { |
| 103 | asection *i = statement->input_section.section; |
| 104 | |
| 105 | asection *output_section = i->output_section; |
| 106 | |
| 107 | bfd_seclet_type *seclet = bfd_new_seclet(output_section->owner,output_section); |
| 108 | |
| 109 | seclet->type = bfd_indirect_seclet; |
| 110 | seclet->u.indirect.section = i; |
| 111 | seclet->u.indirect.symbols = statement->input_section.ifile->asymbols; |
| 112 | seclet->size = i->_cooked_size; |
| 113 | seclet->offset = i->output_offset; |
| 114 | seclet->next = 0; |
| 115 | } |
| 116 | |
| 117 | } |
| 118 | break; |
| 119 | case lang_padding_statement_enum: |
| 120 | /* Make a new seclet with the right filler */ |
| 121 | { |
| 122 | /* Create a new seclet in the output section with this |
| 123 | attached */ |
| 124 | |
| 125 | bfd_seclet_type *seclet = |
| 126 | bfd_new_seclet(statement->padding_statement.output_section->owner, |
| 127 | statement->padding_statement.output_section); |
| 128 | |
| 129 | seclet->type = bfd_fill_seclet; |
| 130 | seclet->size = statement->padding_statement.size; |
| 131 | seclet->offset = statement->padding_statement.output_offset; |
| 132 | seclet->u.fill.value = statement->padding_statement.fill; |
| 133 | seclet->next = 0; |
| 134 | } |
| 135 | break; |
| 136 | |
| 137 | |
| 138 | |
| 139 | break; |
| 140 | default: |
| 141 | /* All the other ones fall through */ |
| 142 | ; |
| 143 | |
| 144 | } |
| 145 | |
| 146 | |
| 147 | |
| 148 | } |
| 149 | |
| 150 | |
| 151 | void |
| 152 | DEFUN(write_relaxnorel,(output_bfd, data), |
| 153 | bfd *output_bfd AND |
| 154 | PTR data) |
| 155 | { |
| 156 | /* Tie up all the statements to generate an output bfd structure which |
| 157 | bfd can mull over */ |
| 158 | |
| 159 | |
| 160 | lang_for_each_statement(build_it); |
| 161 | |
| 162 | seclet_dump(output_bfd, data); |
| 163 | |
| 164 | } |
| 165 | |
| 166 | |
| 167 | |
| 168 | |
| 169 | |
| 170 | /* See if we can change the size of this section by shrinking the |
| 171 | relocations in it. If this happens, then we'll have to renumber the |
| 172 | symbols in it, and shift around the data too. |
| 173 | */ |
| 174 | boolean |
| 175 | DEFUN(relax_section,(this_ptr), |
| 176 | lang_statement_union_type **this_ptr) |
| 177 | { |
| 178 | |
| 179 | lang_input_section_type *is = &((*this_ptr)->input_section); |
| 180 | asection *i = is->section; |
| 181 | if (!(i->owner->flags & BFD_IS_RELAXABLE)) |
| 182 | { |
| 183 | einfo("%B: not assembled with -linkrelax\n", i->owner); |
| 184 | } |
| 185 | |
| 186 | return bfd_relax_section(i->owner, i, is->ifile->asymbols); |
| 187 | |
| 188 | } |
| 189 | |