diff options
Diffstat (limited to 'third_party/aom/build/make/ads2gas.pl')
| -rwxr-xr-x | third_party/aom/build/make/ads2gas.pl | 236 |
1 files changed, 0 insertions, 236 deletions
diff --git a/third_party/aom/build/make/ads2gas.pl b/third_party/aom/build/make/ads2gas.pl deleted file mode 100755 index adf45a3c9..000000000 --- a/third_party/aom/build/make/ads2gas.pl +++ /dev/null @@ -1,236 +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.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.pl > outputfile -# - -use FindBin; -use lib $FindBin::Bin; -use thumb; - -my $thumb = 0; - -foreach my $arg (@ARGV) { - $thumb = 1 if ($arg eq "-thumb"); -} - -print "@ This file was created from a .asm file\n"; -print "@ using the ads2gas.pl script.\n"; -print "\t.equ DO1STROUNDING, 0\n"; -if ($thumb) { - print "\t.syntax unified\n"; - print "\t.thumb\n"; -} - -# Stack of procedure names. -@proc_stack = (); - -while (<STDIN>) -{ - undef $comment; - undef $line; - $comment_char = ";"; - $comment_sub = "@"; - - # Handle comments. - if (/$comment_char/) - { - $comment = ""; - ($line, $comment) = /(.*?)$comment_char(.*)/; - $_ = $line; - } - - # Load and store alignment - s/@/,:/g; - - # Hexadecimal constants prefaced by 0x - s/#&/#0x/g; - - # Convert :OR: to | - s/:OR:/ | /g; - - # Convert :AND: to & - s/:AND:/ & /g; - - # Convert :NOT: to ~ - s/:NOT:/ ~ /g; - - # Convert :SHL: to << - s/:SHL:/ << /g; - - # Convert :SHR: to >> - s/:SHR:/ >> /g; - - # Convert ELSE to .else - s/\bELSE\b/.else/g; - - # Convert ENDIF to .endif - s/\bENDIF\b/.endif/g; - - # Convert ELSEIF to .elseif - s/\bELSEIF\b/.elseif/g; - - # Convert LTORG to .ltorg - s/\bLTORG\b/.ltorg/g; - - # Convert endfunc to nothing. - s/\bendfunc\b//ig; - - # Convert FUNCTION to nothing. - s/\bFUNCTION\b//g; - s/\bfunction\b//g; - - s/\bENTRY\b//g; - s/\bMSARMASM\b/0/g; - s/^\s+end\s+$//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/; - - # RN to .req - if (s/RN\s+([Rr]\d+|lr)/.req $1/) - { - print; - print "$comment_sub$comment\n" if defined $comment; - next; - } - - # Make function visible to linker, and make additional symbol with - # prepended underscore - s/EXPORT\s+\|([\$\w]*)\|/.global $1 \n\t.type $1, function/; - s/IMPORT\s+\|([\$\w]*)\|/.global $1/; - - s/EXPORT\s+([\$\w]*)/.global $1/; - s/export\s+([\$\w]*)/.global $1/; - - # 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\$]+)/$1:/ if !/EQU/; - - # ALIGN directive - s/\bALIGN\b/.balign/g; - - if ($thumb) { - # ARM code - we force everything to thumb with the declaration in the header - s/\sARM//g; - } else { - # ARM code - s/\sARM/.arm/g; - } - - # push/pop - s/(push\s+)(r\d+)/stmdb sp\!, \{$2\}/g; - s/(pop\s+)(r\d+)/ldmia sp\!, \{$2\}/g; - - # NEON code - s/(vld1.\d+\s+)(q\d+)/$1\{$2\}/g; - s/(vtbl.\d+\s+[^,]+),([^,]+)/$1,\{$2\}/g; - - if ($thumb) { - thumb::FixThumbInstructions($_, 0); - } - - # eabi_attributes numerical equivalents can be found in the - # "ARM IHI 0045C" document. - - # REQUIRE8 Stack is required to be 8-byte aligned - s/\sREQUIRE8/.eabi_attribute 24, 1 \@Tag_ABI_align_needed/g; - - # PRESERVE8 Stack 8-byte align is preserved - s/\sPRESERVE8/.eabi_attribute 25, 1 \@Tag_ABI_align_preserved/g; - - # Use PROC and ENDP to give the symbols a .size directive. - # This makes them show up properly in debugging tools like gdb and valgrind. - if (/\bPROC\b/) - { - my $proc; - /^_([\.0-9A-Z_a-z]\w+)\b/; - $proc = $1; - push(@proc_stack, $proc) if ($proc); - s/\bPROC\b/@ $&/; - } - if (/\bENDP\b/) - { - my $proc; - s/\bENDP\b/@ $&/; - $proc = pop(@proc_stack); - $_ = "\t.size $proc, .-$proc".$_ if ($proc); - } - - # EQU directive - s/(\S+\s+)EQU(\s+\S+)/.equ $1, $2/; - - # Begin macro definition - if (/\bMACRO\b/) { - $_ = <STDIN>; - s/^/.macro/; - s/\$//g; # remove formal param reference - s/;/@/g; # change comment characters - } - - # For macros, use \ to reference formal params - s/\$/\\/g; # End macro definition - s/\bMEND\b/.endm/; # No need to tell it where to stop assembling - next if /^\s*END\s*$/; - print; - print "$comment_sub$comment\n" if defined $comment; -} - -# Mark that this object doesn't need an executable stack. -printf ("\t.section\t.note.GNU-stack,\"\",\%\%progbits\n"); 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