mirror of
https://github.com/capstone-engine/llvm-capstone.git
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ebf1830bb1
* Replace HBWMALLOC API with more general MEMKIND API, new functions and variables added. * Have libmemkind.so loaded when accessible. * Redirect memspaces to default one except for high bandwidth which is processed separately. * Ignore some allocator traits e.g., sync_hint, access, pinned, while others are processed normally e.g., alignment, pool_size, fallback, fb_data, partition. * Add tests for memory management Patch by Andrey Churbanov Differential Revision: https://reviews.llvm.org/D59783 llvm-svn: 357929
324 lines
8.2 KiB
Perl
Executable File
324 lines
8.2 KiB
Perl
Executable File
#!/usr/bin/env perl
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#
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#//===----------------------------------------------------------------------===//
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#//
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#// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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#// See https://llvm.org/LICENSE.txt for license information.
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#// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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#//
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#//===----------------------------------------------------------------------===//
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#
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# Some pragmas.
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use strict; # Restrict unsafe constructs.
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use warnings; # Enable all warnings.
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use FindBin;
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use lib "$FindBin::Bin/lib";
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use tools;
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our $VERSION = "0.004";
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#
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# Subroutines.
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#
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sub parse_input($\%) {
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my ( $input, $defs ) = @_;
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my @bulk = read_file( $input );
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my %entries;
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my %ordinals;
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my @dirs;
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my $value = 1;
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my $error =
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sub {
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my ( $msg, $l, $line ) = @_;
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runtime_error(
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"Error parsing file \"$input\" line $l:\n" .
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" $line" .
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( $msg ? $msg . "\n" : () )
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);
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}; # sub
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my $n = 0; # Line number.
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foreach my $line ( @bulk ) {
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++ $n;
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if ( 0 ) {
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} elsif ( $line =~ m{^\s*(?:#|\n)} ) {
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# Empty line or comment. Skip it.
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} elsif ( $line =~ m{^\s*%} ) {
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# A directive.
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if ( 0 ) {
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} elsif ( $line =~ m{^\s*%\s*if(n)?def\s+([A-Za-z0-9_]+)\s*(?:#|\n)} ) {
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my ( $negation, $name ) = ( $1, $2 );
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my $dir = { n => $n, line => $line, name => $name, value => $value };
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push( @dirs, $dir );
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$value = ( $value and ( $negation xor $defs->{ $name } ) );
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} elsif ( $line =~ m{^\s*%\s*endif\s*(?:#|\n)} ) {
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if ( not @dirs ) {
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$error->( "Orphan %endif directive.", $n, $line );
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}; # if
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my $dir = pop( @dirs );
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$value = $dir->{ value };
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} else {
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$error->( "Bad directive.", $n, $line );
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}; # if
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} elsif ( $line =~ m{^\s*(-)?\s*([A-Za-z0-9_]+)(?:\s+(\d+|DATA))?\s*(?:#|\n)} ) {
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my ( $obsolete, $entry, $ordinal ) = ( $1, $2, $3 );
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if ( $value ) {
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if ( exists( $entries{ $entry } ) ) {
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$error->( "Entry \"$entry\" has already been specified.", $n, $line );
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}; # if
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$entries{ $entry } = { ordinal => $ordinal, obsolete => defined( $obsolete ) };
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if ( defined( $ordinal ) and $ordinal ne "DATA" ) {
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if ( $ordinal >= 1000 and $entry =~ m{\A[ok]mp_} ) {
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$error->( "Ordinal of user-callable entry must be < 1000", $n, $line );
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}; # if
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if ( $ordinal >= 1000 and $ordinal < 2000 ) {
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$error->( "Ordinals between 1000 and 1999 are reserved.", $n, $line );
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}; # if
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if ( exists( $ordinals{ $ordinal } ) ) {
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$error->( "Ordinal $ordinal has already been used.", $n, $line );
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}; # if
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$ordinals{ $ordinal } = $entry;
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}; # if
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}; # if
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} else {
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$error->( "", $n, $line );
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}; # if
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}; # foreach
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if ( @dirs ) {
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my $dir = pop( @dirs );
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$error->( "Unterminated %if direcive.", $dir->{ n }, $dir->{ line } );
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}; # while
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return %entries;
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}; # sub parse_input
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sub process(\%) {
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my ( $entries ) = @_;
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foreach my $entry ( keys( %$entries ) ) {
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if ( not $entries->{ $entry }->{ obsolete } ) {
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my $ordinal = $entries->{ $entry }->{ ordinal };
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# omp_alloc and omp_free are C/C++ only functions, skip "1000+ordinal" for them
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if ( $entry =~ m{\A[ok]mp_} and $entry ne "omp_alloc" and $entry ne "omp_free" ) {
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if ( not defined( $ordinal ) ) {
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runtime_error(
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"Bad entry \"$entry\": ordinal number is not specified."
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);
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}; # if
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if ( $ordinal ne "DATA" ) {
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$entries->{ uc( $entry ) } = { ordinal => 1000 + $ordinal };
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}
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}; # if
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}; # if
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}; # foreach
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return %$entries;
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}; # sub process
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sub generate_output(\%$) {
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my ( $entries, $output ) = @_;
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my $bulk;
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$bulk = "EXPORTS\n";
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foreach my $entry ( sort( keys( %$entries ) ) ) {
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if ( not $entries->{ $entry }->{ obsolete } ) {
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$bulk .= sprintf( " %-40s ", $entry );
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my $ordinal = $entries->{ $entry }->{ ordinal };
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if ( defined( $ordinal ) ) {
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if ( $ordinal eq "DATA" ) {
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$bulk .= "DATA";
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} else {
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$bulk .= "\@" . $ordinal;
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}; # if
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}; # if
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$bulk .= "\n";
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}; # if
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}; # foreach
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if ( defined( $output ) ) {
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write_file( $output, \$bulk );
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} else {
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print( $bulk );
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}; # if
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}; # sub generate_ouput
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#
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# Parse command line.
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#
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my $input; # The name of input file.
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my $output; # The name of output file.
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my %defs;
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get_options(
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"output=s" => \$output,
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"D|define=s" =>
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sub {
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my ( $opt_name, $opt_value ) = @_;
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my ( $def_name, $def_value );
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if ( $opt_value =~ m{\A(.*?)=(.*)\z} ) {
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( $def_name, $def_value ) = ( $1, $2 );
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} else {
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( $def_name, $def_value ) = ( $opt_value, 1 );
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}; # if
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$defs{ $def_name } = $def_value;
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},
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);
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if ( @ARGV == 0 ) {
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cmdline_error( "Not enough arguments." );
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}; # if
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if ( @ARGV > 1 ) {
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cmdline_error( "Too many arguments." );
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}; # if
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$input = shift( @ARGV );
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#
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# Work.
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#
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my %data = parse_input( $input, %defs );
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%data = process( %data );
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generate_output( %data, $output );
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exit( 0 );
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__END__
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#
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# Embedded documentation.
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#
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=pod
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=head1 NAME
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B<generate-def.pl> -- Generate def file for OpenMP RTL.
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=head1 SYNOPSIS
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B<generate-def.pl> I<OPTION>... I<file>
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=head1 OPTIONS
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=over
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=item B<--define=>I<name>[=I<value>]
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=item B<-D> I<name>[=I<value>]
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Define specified name. If I<value> is omitted, I<name> is defined to 1. If I<value> is 0 or empty,
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name is B<not> defined.
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=item B<--output=>I<file>
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=item B<-o> I<file>
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Specify output file name. If option is not present, result is printed to stdout.
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=item B<--doc>
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=item B<--manual>
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Print full help message and exit.
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=item B<--help>
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Print short help message and exit.
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=item B<--usage>
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Print very short usage message and exit.
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=item B<--verbose>
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Do print informational messages.
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=item B<--version>
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Print version and exit.
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=item B<--quiet>
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Work quiet, do not print informational messages.
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=back
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=head1 ARGUMENTS
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=over
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=item I<file>
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A name of input file.
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=back
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=head1 DESCRIPTION
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The script reads input file, process conditional directives, checks content for consistency, and
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generates ouptput file suitable for linker.
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=head2 Input File Format
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=over
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=item Comments
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# It's a comment.
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Comments start with C<#> symbol and continue to the end of line.
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=item Conditional Directives
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%ifdef name
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%ifndef name
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%endif
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A part of file surrounded by C<%ifdef I<name>> and C<%endif> directives is a conditional part -- it
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has effect only if I<name> is defined in the comman line by B<--define> option. C<%ifndef> is a
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negated version of C<%ifdef> -- conditional part has an effect only if I<name> is B<not> defined.
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Conditional parts may be nested.
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=item Export Definitions
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symbol
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symbol ordinal
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symbol DATA
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Symbols starting with C<omp_> or C<kmp_> must have ordinal specified. They are subjects for special
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processing: each symbol generates two output lines: original one and upper case version. The ordinal
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number of the second is original ordinal increased by 1000.
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=item Obsolete Symbols
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- symbol
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- symbol ordinal
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- symbol DATA
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Obsolete symbols look like export definitions prefixed with minus sign. Obsolete symbols do not
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affect the output, but obsolete symbols and their ordinals cannot be (re)used in export definitions.
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=back
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=head1 EXAMPLES
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$ generate-def.pl -D stub -D USE_TCHECK=0 -o libguide.def dllexport
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=cut
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# end of file #
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