| 1 | # This shell script emits a C file. -*- C -*- |
| 2 | # Copyright 2004 |
| 3 | # Free Software Foundation, Inc. |
| 4 | # |
| 5 | # This file is part of GLD, the Gnu Linker. |
| 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 2 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, MA 02110-1301, USA. |
| 20 | # |
| 21 | |
| 22 | # This file is sourced from elf32.em, and defines extra crx-elf |
| 23 | # specific routines. |
| 24 | # |
| 25 | cat >>e${EMULATION_NAME}.c <<EOF |
| 26 | |
| 27 | #include "ldctor.h" |
| 28 | |
| 29 | /* Flag for the emulation-specific "--no-relax" option. */ |
| 30 | static bfd_boolean disable_relaxation = FALSE; |
| 31 | |
| 32 | static void crxelf_after_parse (void); |
| 33 | |
| 34 | static void |
| 35 | crxelf_after_parse (void) |
| 36 | { |
| 37 | /* Always behave as if called with --sort-common command line |
| 38 | option. |
| 39 | This is to emulate the CRTools' method of keeping variables |
| 40 | of different alignment in separate sections. */ |
| 41 | config.sort_common = TRUE; |
| 42 | |
| 43 | /* Don't create a demand-paged executable, since this feature isn't |
| 44 | meaninful in CRX embedded systems. Moreover, when magic_demand_paged |
| 45 | is true the link sometimes fails. */ |
| 46 | config.magic_demand_paged = FALSE; |
| 47 | } |
| 48 | |
| 49 | /* This is called after the sections have been attached to output |
| 50 | sections, but before any sizes or addresses have been set. */ |
| 51 | |
| 52 | static void |
| 53 | crxelf_before_allocation (void) |
| 54 | { |
| 55 | /* Call the default first. */ |
| 56 | gld${EMULATION_NAME}_before_allocation (); |
| 57 | |
| 58 | /* Enable relaxation by default if the "--no-relax" option was not |
| 59 | specified. This is done here instead of in the before_parse hook |
| 60 | because there is a check in main() to prohibit use of --relax and |
| 61 | -r together. */ |
| 62 | |
| 63 | if (!disable_relaxation) |
| 64 | command_line.relax = TRUE; |
| 65 | } |
| 66 | |
| 67 | EOF |
| 68 | |
| 69 | # Define some shell vars to insert bits of code into the standard elf |
| 70 | # parse_args and list_options functions. |
| 71 | # |
| 72 | PARSE_AND_LIST_PROLOGUE=' |
| 73 | #define OPTION_NO_RELAX 301 |
| 74 | ' |
| 75 | |
| 76 | PARSE_AND_LIST_LONGOPTS=' |
| 77 | { "no-relax", no_argument, NULL, OPTION_NO_RELAX}, |
| 78 | ' |
| 79 | |
| 80 | PARSE_AND_LIST_OPTIONS=' |
| 81 | fprintf (file, _(" --no-relax Do not relax branches\n")); |
| 82 | ' |
| 83 | |
| 84 | PARSE_AND_LIST_ARGS_CASES=' |
| 85 | case OPTION_NO_RELAX: |
| 86 | disable_relaxation = TRUE; |
| 87 | break; |
| 88 | ' |
| 89 | |
| 90 | # Put these extra crx-elf routines in ld_${EMULATION_NAME}_emulation |
| 91 | # |
| 92 | LDEMUL_AFTER_PARSE=crxelf_after_parse |
| 93 | LDEMUL_BEFORE_ALLOCATION=crxelf_before_allocation |
| 94 | |