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annotate extra/as @ 229:59a138df0401
Fixed additional parsing problems with pseudo ops
| author | lost |
|---|---|
| date | Fri, 12 Jun 2009 01:31:18 +0000 |
| parents | 0926c29426f4 |
| children |
| rev | line source |
|---|---|
| 179 | 1 #!/bin/sh |
| 2 # | |
| 3 # Copyright 2009 by William Astle <lost@l-w.ca> | |
| 4 # | |
| 5 #This file is part of LWASM. | |
| 6 # | |
| 7 #LWASM is free software: you can redistribute it and/or modify it under the | |
| 8 #terms of the GNU General Public License as published by the Free Software | |
| 9 #Foundation, either version 3 of the License, or (at your option) any later | |
| 10 #version. | |
| 11 # | |
| 12 #This program is distributed in the hope that it will be useful, but WITHOUT | |
| 13 #ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 14 #FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | |
| 15 #more details. | |
| 16 # | |
| 17 #You should have received a copy of the GNU General Public License along with | |
| 18 #this program. If not, see <http://www.gnu.org/licenses/>. | |
| 19 | |
| 20 # this was based somewhat on the "as" script from gcc6809 | |
| 21 | |
| 22 #echo "LWASM-as $0 $*" | |
| 23 | |
| 24 show_version () { | |
| 25 cat <<END | |
| 26 LWASM (GNU assembler frontend) 2.3 | |
| 27 This program is free software; you may redistribute it under the terms of | |
| 28 the GNU General Public License. This program has absolutely no warranty. | |
| 29 END | |
| 30 } | |
| 31 | |
| 32 fatal_error () { | |
| 33 echo $* 1>&2 | |
| 34 exit 1 | |
| 35 } | |
| 36 | |
| 37 # Assume nothing. | |
| 38 | |
| 39 input_file= | |
| 40 output_file= | |
| 41 list_file= | |
| 42 options= | |
| 43 list_file_enabled=n | |
| 44 | |
| 45 # Parse the command-line options. See the GNU 'as' man page for | |
| 46 # an explanation of all these options. Our goal is to translate | |
| 47 # them into lwasm form. | |
| 48 | |
| 49 while [ "$1" != "" ]; do | |
| 50 arg=$1; shift | |
| 51 case $arg in | |
| 52 -m6809) | |
| 53 true | |
| 54 ;; | |
| 55 -gn) | |
| 56 # Generate NoICE debug symbols | |
| 57 # ignored - no output formats support debugging symbols | |
| 58 ;; | |
| 59 -gs) | |
| 60 # Generate SDCC debug symbols | |
| 61 # ignored - no output formats supprt debugging symbols | |
| 62 ;; | |
| 63 # --globalize-symbols) | |
| 64 # # Make all symbols global | |
| 65 # # lwasm does not support globalizing everything by default | |
| 66 # ;; | |
| 67 -m*) | |
| 68 fatal_error "invalid CPU option '$arg'" | |
| 69 ;; | |
| 70 --) | |
| 71 fatal_error "standard input not supported" | |
| 72 ;; | |
| 73 # -a*) | |
| 74 # options="${options}lc" | |
| 75 # list_file_enabled=y | |
| 76 # ;; | |
| 77 -I*) | |
| 78 #include_file=${arg#-I} | |
| 79 #echo "warning: include path '$include_file' ignored" | |
| 80 ;; | |
| 81 -MD) | |
| 82 fatal_error "assembler option '$arg' not supported" | |
| 83 ;; | |
| 84 -o) | |
| 85 output_file=$1; shift | |
| 86 ;; | |
| 87 -v|-version) | |
| 88 show_version | |
| 89 ;; | |
| 90 --version) | |
| 91 show_version | |
| 92 exit 0 | |
| 93 ;; | |
| 94 -D|-f|-K|--traditional-format|-w|-x|-Z|-W|--no-warn) | |
| 95 # These options are accepted but ignored by GNU as. | |
| 96 true | |
| 97 ;; | |
| 98 # =*) | |
| 99 # # Set the name of the listing file | |
| 100 # list_file=${arg#=} | |
| 101 # ;; | |
| 102 -*) | |
| 103 echo "as (m6809): unrecognized option $arg" | |
| 104 exit 1 | |
| 105 ;; | |
| 106 *) | |
| 107 input_file=$arg | |
| 108 ;; | |
| 109 esac | |
| 110 done | |
| 111 | |
| 112 # Complain if no input files given. We don't support redirecting | |
| 113 # from standard input. | |
| 114 | |
| 115 if [ "x$input_file" = "x" ]; then | |
| 116 fatal_error "no input file specified" | |
| 117 fi | |
| 118 | |
| 119 # Invoke the real (lwasm) assembler. | |
| 120 # The -o option specifies the output file name | |
| 121 # --obj creates object files | |
| 122 # --pragma=undefextern causes undefined symbols to be assumed external | |
| 123 # --pragma=cescapes allows C escape syntax in strings | |
| 124 #echo lwasm -o "$output_file" $options --obj --pragma=undefextern --pragma=cescapes $input_file | |
|
207
0926c29426f4
Updated ar and as scripts to be able to work with libgcc etc.
lost
parents:
179
diff
changeset
|
125 lwasm -o "$output_file" $options --obj --pragma=undefextern --pragma=cescapes --pragma=importundefexport $input_file |
| 179 | 126 rc=$? |
| 127 | |
| 128 # OK, see if the assembler succeeded or not. | |
| 129 # If it failed, the source is copied to /tmp/as6809_error.s | |
| 130 # so that it can be inspected. GCC will normally delete any | |
| 131 # temporary .s files that it generates. This makes debugging | |
| 132 # the compiler easier. | |
| 133 # | |
| 134 # lwasm does not create an output file if it errors out but it also doesn't | |
| 135 # remove an existing file if it fails so we remove it anyway... | |
| 136 | |
| 137 if [ "$rc" != "0" ]; then | |
| 138 cp -p $input_file /tmp/as6809_error.s | |
| 139 rm -f $asoutput_file | |
| 140 exit $rc | |
| 141 fi | |
| 142 | |
| 143 # we don't need anything fancy here since lwasm supports specifying output | |
| 144 # file names.... |