995dcb610c
Took the opportunity to undo the Godot changed made to the
opus source. The opus module should eventually be built in its
own environment to avoid polluting others with too many include
dirs and defines.
TODO: Fix the platform/ stuff for opus.
(cherry picked from commit d9a291f641)
speex module was only added while cherry-picking, as speex is removed
in the master branch but we don't want to break compatibility in 2.1.x.
Unbundling wasn't done as the module uses the internal speex_free,
so it would require some more work.
353 lines
10 KiB
Perl
Executable file
353 lines
10 KiB
Perl
Executable file
#!/usr/bin/perl
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# Copyright (C) 2002-2013 Xiph.org Foundation
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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#
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# - Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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#
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# - Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
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# OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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# PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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# LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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# NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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my $bigend; # little/big endian
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my $nxstack;
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my $apple = 0;
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my $symprefix = "";
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$nxstack = 0;
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eval 'exec /usr/local/bin/perl -S $0 ${1+"$@"}'
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if $running_under_some_shell;
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while ($ARGV[0] =~ /^-/) {
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$_ = shift;
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last if /^--$/;
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if (/^-n$/) {
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$nflag++;
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next;
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}
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if (/^--apple$/) {
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$apple = 1;
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$symprefix = "_";
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next;
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}
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die "I don't recognize this switch: $_\\n";
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}
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$printit++ unless $nflag;
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$\ = "\n"; # automatically add newline on print
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$n=0;
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$thumb = 0; # ARM mode by default, not Thumb.
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@proc_stack = ();
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printf (" .syntax unified\n");
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LINE:
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while (<>) {
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# For ADRLs we need to add a new line after the substituted one.
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$addPadding = 0;
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# First, we do not dare to touch *anything* inside double quotes, do we?
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# Second, if you want a dollar character in the string,
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# insert two of them -- that's how ARM C and assembler treat strings.
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s/^([A-Za-z_]\w*)[ \t]+DCB[ \t]*\"/$1: .ascii \"/ && do { s/\$\$/\$/g; next };
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s/\bDCB\b[ \t]*\"/.ascii \"/ && do { s/\$\$/\$/g; next };
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s/^(\S+)\s+RN\s+(\S+)/$1 .req r$2/ && do { s/\$\$/\$/g; next };
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# If there's nothing on a line but a comment, don't try to apply any further
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# substitutions (this is a cheap hack to avoid mucking up the license header)
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s/^([ \t]*);/$1@/ && do { s/\$\$/\$/g; next };
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# If substituted -- leave immediately !
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s/@/,:/;
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s/;/@/;
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while ( /@.*'/ ) {
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s/(@.*)'/$1/g;
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}
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s/\{FALSE\}/0/g;
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s/\{TRUE\}/1/g;
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s/\{(\w\w\w\w+)\}/$1/g;
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s/\bINCLUDE[ \t]*([^ \t\n]+)/.include \"$1\"/;
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s/\bGET[ \t]*([^ \t\n]+)/.include \"${ my $x=$1; $x =~ s|\.s|-gnu.S|; \$x }\"/;
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s/\bIMPORT\b/.extern/;
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s/\bEXPORT\b\s*/.global $symprefix/;
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s/^(\s+)\[/$1IF/;
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s/^(\s+)\|/$1ELSE/;
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s/^(\s+)\]/$1ENDIF/;
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s/IF *:DEF:/ .ifdef/;
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s/IF *:LNOT: *:DEF:/ .ifndef/;
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s/ELSE/ .else/;
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s/ENDIF/ .endif/;
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if( /\bIF\b/ ) {
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s/\bIF\b/ .if/;
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s/=/==/;
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}
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if ( $n == 2) {
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s/\$/\\/g;
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}
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if ($n == 1) {
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s/\$//g;
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s/label//g;
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$n = 2;
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}
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if ( /MACRO/ ) {
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s/MACRO *\n/.macro/;
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$n=1;
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}
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if ( /\bMEND\b/ ) {
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s/\bMEND\b/.endm/;
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$n=0;
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}
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# ".rdata" doesn't work in 'as' version 2.13.2, as it is ".rodata" there.
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#
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if ( /\bAREA\b/ ) {
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my $align;
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$align = "2";
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if ( /ALIGN=(\d+)/ ) {
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$align = $1;
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}
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if ( /CODE/ ) {
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$nxstack = 1;
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}
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s/^(.+)CODE(.+)READONLY(.*)/ .text/;
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s/^(.+)DATA(.+)READONLY(.*)/ .section .rdata/;
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s/^(.+)\|\|\.data\|\|(.+)/ .data/;
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s/^(.+)\|\|\.bss\|\|(.+)/ .bss/;
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s/$/; .p2align $align/;
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# Enable NEON instructions but don't produce a binary that requires
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# ARMv7. RVCT does not have equivalent directives, so we just do this
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# for all CODE areas.
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if ( /.text/ ) {
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# Separating .arch, .fpu, etc., by semicolons does not work (gas
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# thinks the semicolon is part of the arch name, even when there's
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# whitespace separating them). Sadly this means our line numbers
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# won't match the original source file (we could use the .line
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# directive, which is documented to be obsolete, but then gdb will
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# show the wrong line in the translated source file).
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s/$/; .arch armv7-a\n .fpu neon\n .object_arch armv4t/ unless ($apple);
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}
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}
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s/\|\|\.constdata\$(\d+)\|\|/.L_CONST$1/; # ||.constdata$3||
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s/\|\|\.bss\$(\d+)\|\|/.L_BSS$1/; # ||.bss$2||
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s/\|\|\.data\$(\d+)\|\|/.L_DATA$1/; # ||.data$2||
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s/\|\|([a-zA-Z0-9_]+)\@([a-zA-Z0-9_]+)\|\|/@ $&/;
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s/^(\s+)\%(\s)/ .space $1/;
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s/\|(.+)\.(\d+)\|/\.$1_$2/; # |L80.123| -> .L80_123
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s/\bCODE32\b/.code 32/ && do {$thumb = 0};
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s/\bCODE16\b/.code 16/ && do {$thumb = 1};
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if (/\bPROC\b/)
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{
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my $prefix;
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my $proc;
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/^([A-Za-z_\.]\w+)\b/;
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$proc = $1;
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$prefix = "";
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if ($proc)
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{
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$prefix = $prefix.sprintf("\t.type\t%s, %%function; ",$proc) unless ($apple);
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# Make sure we $prefix isn't empty here (for the $apple case).
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# We handle mangling the label here, make sure it doesn't match
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# the label handling below (if $prefix would be empty).
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$prefix = "; ";
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push(@proc_stack, $proc);
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s/^[A-Za-z_\.]\w+/$symprefix$&:/;
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}
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$prefix = $prefix."\t.thumb_func; " if ($thumb);
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s/\bPROC\b/@ $&/;
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$_ = $prefix.$_;
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}
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s/^(\s*)(S|Q|SH|U|UQ|UH)ASX\b/$1$2ADDSUBX/;
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s/^(\s*)(S|Q|SH|U|UQ|UH)SAX\b/$1$2SUBADDX/;
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if (/\bENDP\b/)
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{
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my $proc;
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s/\bENDP\b/@ $&/;
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$proc = pop(@proc_stack);
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$_ = "\t.size $proc, .-$proc".$_ if ($proc && !$apple);
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}
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s/\bSUBT\b/@ $&/;
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s/\bDATA\b/@ $&/; # DATA directive is deprecated -- Asm guide, p.7-25
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s/\bKEEP\b/@ $&/;
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s/\bEXPORTAS\b/@ $&/;
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s/\|\|(.)+\bEQU\b/@ $&/;
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s/\|\|([\w\$]+)\|\|/$1/;
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s/\bENTRY\b/@ $&/;
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s/\bASSERT\b/@ $&/;
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s/\bGBLL\b/@ $&/;
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s/\bGBLA\b/@ $&/;
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s/^\W+OPT\b/@ $&/;
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s/:OR:/|/g;
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s/:SHL:/<</g;
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s/:SHR:/>>/g;
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s/:AND:/&/g;
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s/:LAND:/&&/g;
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s/CPSR/cpsr/;
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s/SPSR/spsr/;
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s/ALIGN$/.balign 4/;
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s/ALIGN\s+([0-9x]+)$/.balign $1/;
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s/psr_cxsf/psr_all/;
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s/LTORG/.ltorg/;
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s/^([A-Za-z_]\w*)[ \t]+EQU/ .set $1,/;
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s/^([A-Za-z_]\w*)[ \t]+SETL/ .set $1,/;
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s/^([A-Za-z_]\w*)[ \t]+SETA/ .set $1,/;
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s/^([A-Za-z_]\w*)[ \t]+\*/ .set $1,/;
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# {PC} + 0xdeadfeed --> . + 0xdeadfeed
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s/\{PC\} \+/ \. +/;
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# Single hex constant on the line !
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#
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# >>> NOTE <<<
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# Double-precision floats in gcc are always mixed-endian, which means
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# bytes in two words are little-endian, but words are big-endian.
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# So, 0x0000deadfeed0000 would be stored as 0x0000dead at low address
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# and 0xfeed0000 at high address.
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#
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s/\bDCFD\b[ \t]+0x([a-fA-F0-9]{8})([a-fA-F0-9]{8})/.long 0x$1, 0x$2/;
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# Only decimal constants on the line, no hex !
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s/\bDCFD\b[ \t]+([0-9\.\-]+)/.double $1/;
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# Single hex constant on the line !
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# s/\bDCFS\b[ \t]+0x([a-f0-9]{8})([a-f0-9]{8})/.long 0x$1, 0x$2/;
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# Only decimal constants on the line, no hex !
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# s/\bDCFS\b[ \t]+([0-9\.\-]+)/.double $1/;
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s/\bDCFS[ \t]+0x/.word 0x/;
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s/\bDCFS\b/.float/;
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s/^([A-Za-z_]\w*)[ \t]+DCD/$1 .word/;
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s/\bDCD\b/.word/;
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s/^([A-Za-z_]\w*)[ \t]+DCW/$1 .short/;
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s/\bDCW\b/.short/;
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s/^([A-Za-z_]\w*)[ \t]+DCB/$1 .byte/;
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s/\bDCB\b/.byte/;
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s/^([A-Za-z_]\w*)[ \t]+\%/.comm $1,/;
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s/^[A-Za-z_\.]\w+/$&:/;
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s/^(\d+)/$1:/;
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s/\%(\d+)/$1b_or_f/;
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s/\%[Bb](\d+)/$1b/;
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s/\%[Ff](\d+)/$1f/;
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s/\%[Ff][Tt](\d+)/$1f/;
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s/&([\dA-Fa-f]+)/0x$1/;
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if ( /\b2_[01]+\b/ ) {
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s/\b2_([01]+)\b/conv$1&&&&/g;
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while ( /[01][01][01][01]&&&&/ ) {
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s/0000&&&&/&&&&0/g;
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s/0001&&&&/&&&&1/g;
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s/0010&&&&/&&&&2/g;
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s/0011&&&&/&&&&3/g;
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s/0100&&&&/&&&&4/g;
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s/0101&&&&/&&&&5/g;
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s/0110&&&&/&&&&6/g;
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s/0111&&&&/&&&&7/g;
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s/1000&&&&/&&&&8/g;
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s/1001&&&&/&&&&9/g;
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s/1010&&&&/&&&&A/g;
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s/1011&&&&/&&&&B/g;
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s/1100&&&&/&&&&C/g;
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s/1101&&&&/&&&&D/g;
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s/1110&&&&/&&&&E/g;
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s/1111&&&&/&&&&F/g;
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}
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s/000&&&&/&&&&0/g;
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s/001&&&&/&&&&1/g;
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s/010&&&&/&&&&2/g;
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s/011&&&&/&&&&3/g;
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s/100&&&&/&&&&4/g;
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s/101&&&&/&&&&5/g;
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s/110&&&&/&&&&6/g;
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s/111&&&&/&&&&7/g;
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s/00&&&&/&&&&0/g;
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s/01&&&&/&&&&1/g;
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s/10&&&&/&&&&2/g;
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s/11&&&&/&&&&3/g;
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s/0&&&&/&&&&0/g;
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s/1&&&&/&&&&1/g;
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s/conv&&&&/0x/g;
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}
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if ( /commandline/)
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{
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if( /-bigend/)
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{
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$bigend=1;
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}
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}
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if ( /\bDCDU\b/ )
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{
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my $cmd=$_;
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my $value;
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my $prefix;
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my $w1;
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my $w2;
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my $w3;
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my $w4;
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s/\s+DCDU\b/@ $&/;
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$cmd =~ /\bDCDU\b\s+0x(\d+)/;
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$value = $1;
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$value =~ /(\w\w)(\w\w)(\w\w)(\w\w)/;
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$w1 = $1;
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$w2 = $2;
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$w3 = $3;
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$w4 = $4;
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if( $bigend ne "")
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{
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# big endian
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$prefix = "\t.byte\t0x".$w1.";".
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"\t.byte\t0x".$w2.";".
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"\t.byte\t0x".$w3.";".
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"\t.byte\t0x".$w4."; ";
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}
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else
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{
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# little endian
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$prefix = "\t.byte\t0x".$w4.";".
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"\t.byte\t0x".$w3.";".
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"\t.byte\t0x".$w2.";".
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"\t.byte\t0x".$w1."; ";
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}
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$_=$prefix.$_;
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}
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if ( /\badrl\b/i )
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{
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s/\badrl\s+(\w+)\s*,\s*(\w+)/ldr $1,=$2/i;
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$addPadding = 1;
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}
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s/\bEND\b/@ END/;
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} continue {
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printf ("%s", $_) if $printit;
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if ($addPadding != 0)
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{
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printf (" mov r0,r0\n");
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$addPadding = 0;
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}
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}
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#If we had a code section, mark that this object doesn't need an executable
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# stack.
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if ($nxstack && !$apple) {
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printf (" .section\t.note.GNU-stack,\"\",\%\%progbits\n");
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}
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