projects / deliverable / binutils-gdb.git / blame
| Commit | Line | Data |
|---|---|---|
| 3d3d428f NC |
1 | # This shell script emits a C file. -*- C -*- |
| 2 | # Copyright 2007 Free Software Foundation, Inc. | |
| 3 | # Contributed by M R Swami Reddy <MR.Swami.Reddy@nsc.com> | |
| 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 cr16-elf | |
| 23 | # specific routines. | |
| 24 | # | |
| 25 | cat >>e${EMULATION_NAME}.c <<EOF | |
| 26 | ||
| 27 | #include "ldctor.h" | |
| 28 | ||
| 29 | /* Flag for the emulation-specific "--no-relax" option. */ | |
| 30 | static bfd_boolean disable_relaxation = FALSE; | |
| 31 | ||
| 32 | static void | |
| 33 | cr16elf_after_parse (void) | |
| 34 | { | |
| 35 | /* Always behave as if called with --sort-common command line | |
| 36 | option. | |
| 37 | This is to emulate the CRTools' method of keeping variables | |
| 38 | of different alignment in separate sections. */ | |
| 39 | config.sort_common = TRUE; | |
| 40 | ||
| 41 | /* Don't create a demand-paged executable, since this feature isn't | |
| 42 | meaninful in CR16 embedded systems. Moreover, when magic_demand_paged | |
| 43 | is true the link sometimes fails. */ | |
| 44 | config.magic_demand_paged = FALSE; | |
| 45 | } | |
| 46 | ||
| 47 | /* This is called after the sections have been attached to output | |
| 48 | sections, but before any sizes or addresses have been set. */ | |
| 49 | ||
| 50 | static void | |
| 51 | cr16elf_before_allocation (void) | |
| 52 | { | |
| 53 | /* Call the default first. */ | |
| 54 | gld${EMULATION_NAME}_before_allocation (); | |
| 55 | ||
| 56 | /* Enable relaxation by default if the "--no-relax" option was not | |
| 57 | specified. This is done here instead of in the before_parse hook | |
| 58 | because there is a check in main() to prohibit use of --relax and | |
| 59 | -r together. */ | |
| 60 | ||
| 61 | if (!disable_relaxation) | |
| 62 | command_line.relax = TRUE; | |
| 63 | } | |
| 64 | ||
| 65 | EOF | |
| 66 | ||
| 67 | # Define some shell vars to insert bits of code into the standard elf | |
| 68 | # parse_args and list_options functions. | |
| 69 | # | |
| 70 | PARSE_AND_LIST_PROLOGUE=' | |
| 71 | #define OPTION_NO_RELAX 301 | |
| 72 | ' | |
| 73 | ||
| 74 | PARSE_AND_LIST_LONGOPTS=' | |
| 75 | { "no-relax", no_argument, NULL, OPTION_NO_RELAX}, | |
| 76 | ' | |
| 77 | ||
| 78 | PARSE_AND_LIST_OPTIONS=' | |
| 79 | fprintf (file, _(" --no-relax Do not relax branches\n")); | |
| 80 | ' | |
| 81 | ||
| 82 | PARSE_AND_LIST_ARGS_CASES=' | |
| 83 | case OPTION_NO_RELAX: | |
| 84 | disable_relaxation = TRUE; | |
| 85 | break; | |
| 86 | ' | |
| 87 | ||
| 88 | # Put these extra cr16-elf routines in ld_${EMULATION_NAME}_emulation | |
| 89 | # | |
| 90 | LDEMUL_AFTER_PARSE=cr16elf_after_parse | |
| 91 | LDEMUL_BEFORE_ALLOCATION=cr16elf_before_allocation | |
| 92 |