| 1 | # This shell script emits C code -*- C -*- |
| 2 | # to keep track of the machine type of Z80 object files |
| 3 | # It does some substitutions. |
| 4 | # Copyright (C) 2005-2018 Free Software Foundation, Inc. |
| 5 | # This file is part of the GNU Binutils. |
| 6 | # |
| 7 | # This program is free software; you can redistribute it and/or modify |
| 8 | # it under the terms of the GNU General Public License as published by |
| 9 | # the Free Software Foundation; either version 3 of the License, or |
| 10 | # (at your option) any later version. |
| 11 | # |
| 12 | # This program is distributed in the hope that it will be useful, |
| 13 | # but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 15 | # GNU General Public License for more details. |
| 16 | # |
| 17 | # You should have received a copy of the GNU General Public License |
| 18 | # along with this program; if not, write to the Free Software |
| 19 | # Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, |
| 20 | # MA 02110-1301, USA. |
| 21 | |
| 22 | LDEMUL_BEFORE_PARSE=gldz80_before_parse |
| 23 | LDEMUL_RECOGNIZED_FILE=gldz80_recognized_file |
| 24 | LDEMUL_AFTER_OPEN=gldz80_after_open |
| 25 | |
| 26 | fragment <<EOF |
| 27 | /* --- \begin{z80.em} */ |
| 28 | /* Codes for machine types, bitwise or gives the code to use for the |
| 29 | output. */ |
| 30 | #define M_Z80STRICT 1 |
| 31 | #define M_Z80 3 |
| 32 | #define M_Z80FULL 7 |
| 33 | #define M_R800 11 |
| 34 | #define M_Z80ANY 15 |
| 35 | |
| 36 | /* Bitwise or of the machine types seen so far. */ |
| 37 | static int result_mach_type; |
| 38 | |
| 39 | static void |
| 40 | ${LDEMUL_BEFORE_PARSE} (void) |
| 41 | { |
| 42 | #ifndef TARGET_ /* I.e., if not generic. */ |
| 43 | ldfile_set_output_arch ("`echo ${ARCH}`", bfd_arch_unknown); |
| 44 | #endif /* not TARGET_ */ |
| 45 | result_mach_type = M_Z80STRICT; |
| 46 | } |
| 47 | |
| 48 | |
| 49 | /* Update result_mach_type. */ |
| 50 | static bfd_boolean |
| 51 | ${LDEMUL_RECOGNIZED_FILE} (lang_input_statement_type *entry) |
| 52 | { |
| 53 | unsigned long mach_type; |
| 54 | |
| 55 | mach_type = bfd_get_mach (entry->the_bfd); |
| 56 | switch (mach_type) |
| 57 | { |
| 58 | case bfd_mach_z80strict: |
| 59 | result_mach_type |= M_Z80STRICT; |
| 60 | break; |
| 61 | case bfd_mach_z80: |
| 62 | result_mach_type |= M_Z80; |
| 63 | break; |
| 64 | case bfd_mach_z80full: |
| 65 | result_mach_type |= M_Z80FULL; |
| 66 | break; |
| 67 | case bfd_mach_r800: |
| 68 | result_mach_type |= M_R800; |
| 69 | break; |
| 70 | default: |
| 71 | result_mach_type |= M_Z80ANY; |
| 72 | } |
| 73 | return FALSE; |
| 74 | } |
| 75 | |
| 76 | /* Set the machine type of the output file based on result_mach_type. */ |
| 77 | static void |
| 78 | gldz80_after_open (void) |
| 79 | { |
| 80 | unsigned long mach_type; |
| 81 | |
| 82 | after_open_default (); |
| 83 | |
| 84 | switch (result_mach_type) |
| 85 | { |
| 86 | case M_Z80STRICT: |
| 87 | mach_type = bfd_mach_z80strict; |
| 88 | break; |
| 89 | case M_Z80: |
| 90 | mach_type = bfd_mach_z80; |
| 91 | break; |
| 92 | case M_Z80FULL: |
| 93 | mach_type = bfd_mach_z80full; |
| 94 | break; |
| 95 | case M_R800: |
| 96 | mach_type = bfd_mach_r800; |
| 97 | break; |
| 98 | default: |
| 99 | mach_type = 0; |
| 100 | } |
| 101 | bfd_set_arch_mach (link_info.output_bfd, bfd_arch_z80, mach_type); |
| 102 | } |
| 103 | /* --- \end{z80.em} */ |
| 104 | EOF |