diff options
Diffstat (limited to 'third_party/aom/build/make/ads2gas_apple.pl')
| -rwxr-xr-x | third_party/aom/build/make/ads2gas_apple.pl | 235 |
1 files changed, 0 insertions, 235 deletions
diff --git a/third_party/aom/build/make/ads2gas_apple.pl b/third_party/aom/build/make/ads2gas_apple.pl deleted file mode 100755 index 31ec91d567..0000000000 --- a/third_party/aom/build/make/ads2gas_apple.pl +++ /dev/null @@ -1,235 +0,0 @@ -#!/usr/bin/env perl -## Copyright (c) 2016, Alliance for Open Media. All rights reserved -## -## This source code is subject to the terms of the BSD 2 Clause License and -## the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License -## was not distributed with this source code in the LICENSE file, you can -## obtain it at www.aomedia.org/license/software. If the Alliance for Open -## Media Patent License 1.0 was not distributed with this source code in the -## PATENTS file, you can obtain it at www.aomedia.org/license/patent. -## - - -# ads2gas_apple.pl -# Author: Eric Fung (efung (at) acm.org) -# -# Convert ARM Developer Suite 1.0.1 syntax assembly source to GNU as format -# -# Usage: cat inputfile | perl ads2gas_apple.pl > outputfile -# - -my $chromium = 0; - -foreach my $arg (@ARGV) { - $chromium = 1 if ($arg eq "-chromium"); -} - -print "@ This file was created from a .asm file\n"; -print "@ using the ads2gas_apple.pl script.\n\n"; -print "\t.set WIDE_REFERENCE, 0\n"; -print "\t.set ARCHITECTURE, 5\n"; -print "\t.set DO1STROUNDING, 0\n"; - -my %register_aliases; -my %macro_aliases; - -my @mapping_list = ("\$0", "\$1", "\$2", "\$3", "\$4", "\$5", "\$6", "\$7", "\$8", "\$9"); - -my @incoming_array; - -my @imported_functions; - -# Perl trim function to remove whitespace from the start and end of the string -sub trim($) -{ - my $string = shift; - $string =~ s/^\s+//; - $string =~ s/\s+$//; - return $string; -} - -while (<STDIN>) -{ - # Load and store alignment - s/@/,:/g; - - # Comment character - s/;/ @/g; - - # Hexadecimal constants prefaced by 0x - s/#&/#0x/g; - - # Convert :OR: to | - s/:OR:/ | /g; - - # Convert :AND: to & - s/:AND:/ & /g; - - # Convert :NOT: to ~ - s/:NOT:/ ~ /g; - - # Convert :SHL: to << - s/:SHL:/ << /g; - - # Convert :SHR: to >> - s/:SHR:/ >> /g; - - # Convert ELSE to .else - s/\bELSE\b/.else/g; - - # Convert ENDIF to .endif - s/\bENDIF\b/.endif/g; - - # Convert ELSEIF to .elseif - s/\bELSEIF\b/.elseif/g; - - # Convert LTORG to .ltorg - s/\bLTORG\b/.ltorg/g; - - # Convert IF :DEF:to .if - # gcc doesn't have the ability to do a conditional - # if defined variable that is set by IF :DEF: on - # armasm, so convert it to a normal .if and then - # make sure to define a value elesewhere - if (s/\bIF :DEF:\b/.if /g) - { - s/=/==/g; - } - - # Convert IF to .if - if (s/\bIF\b/.if/g) - { - s/=/==/g; - } - - # Convert INCLUDE to .INCLUDE "file" - s/INCLUDE(\s*)(.*)$/.include $1\"$2\"/; - - # Code directive (ARM vs Thumb) - s/CODE([0-9][0-9])/.code $1/; - - # No AREA required - # But ALIGNs in AREA must be obeyed - s/^\s*AREA.*ALIGN=([0-9])$/.text\n.p2align $1/; - # If no ALIGN, strip the AREA and align to 4 bytes - s/^\s*AREA.*$/.text\n.p2align 2/; - - # DCD to .word - # This one is for incoming symbols - s/DCD\s+\|(\w*)\|/.long $1/; - - # DCW to .short - s/DCW\s+\|(\w*)\|/.short $1/; - s/DCW(.*)/.short $1/; - - # Constants defined in scope - s/DCD(.*)/.long $1/; - s/DCB(.*)/.byte $1/; - - # Build a hash of all the register - alias pairs. - if (s/(.*)RN(.*)/$1 .req $2/g) - { - $register_aliases{trim($1)} = trim($2); - next; - } - - while (($key, $value) = each(%register_aliases)) - { - s/\b$key\b/$value/g; - } - - # Make function visible to linker, and make additional symbol with - # prepended underscore - s/EXPORT\s+\|([\$\w]*)\|/.globl _$1\n\t.globl $1/; - - # Prepend imported functions with _ - if (s/IMPORT\s+\|([\$\w]*)\|/.globl $1/) - { - $function = trim($1); - push(@imported_functions, $function); - } - - foreach $function (@imported_functions) - { - s/$function/_$function/; - } - - # No vertical bars required; make additional symbol with prepended - # underscore - s/^\|(\$?\w+)\|/_$1\n\t$1:/g; - - # Labels need trailing colon -# s/^(\w+)/$1:/ if !/EQU/; - # put the colon at the end of the line in the macro - s/^([a-zA-Z_0-9\$]+)/$1:/ if !/EQU/; - - # ALIGN directive - s/\bALIGN\b/.balign/g; - - # Strip ARM - s/\sARM/@ ARM/g; - - # Strip REQUIRE8 - #s/\sREQUIRE8/@ REQUIRE8/g; - s/\sREQUIRE8/@ /g; - - # Strip PRESERVE8 - s/\sPRESERVE8/@ PRESERVE8/g; - - # Strip PROC and ENDPROC - s/\bPROC\b/@/g; - s/\bENDP\b/@/g; - - # EQU directive - s/(.*)EQU(.*)/.set $1, $2/; - - # Begin macro definition - if (/\bMACRO\b/) - { - # Process next line down, which will be the macro definition - $_ = <STDIN>; - - $trimmed = trim($_); - - # remove commas that are separating list - $trimmed =~ s/,//g; - - # string to array - @incoming_array = split(/\s+/, $trimmed); - - print ".macro @incoming_array[0]\n"; - - # remove the first element, as that is the name of the macro - shift (@incoming_array); - - @macro_aliases{@incoming_array} = @mapping_list; - - next; - } - - while (($key, $value) = each(%macro_aliases)) - { - $key =~ s/\$/\\\$/; - s/$key\b/$value/g; - } - - # For macros, use \ to reference formal params -# s/\$/\\/g; # End macro definition - s/\bMEND\b/.endm/; # No need to tell it where to stop assembling - next if /^\s*END\s*$/; - - # Clang used by Chromium differs slightly from clang in XCode in what it - # will accept in the assembly. - if ($chromium) { - s/qsubaddx/qsax/i; - s/qaddsubx/qasx/i; - s/ldrneb/ldrbne/i; - s/ldrneh/ldrhne/i; - s/(vqshrun\.s16 .*, \#)0$/${1}8/i; - - # http://llvm.org/bugs/show_bug.cgi?id=16022 - s/\.include/#include/; - } - - print; -} |