%************************************************************************
\begin{code}
-sub inject_split_markers {
- local($hc_file) = @_;
+$TargetPlatform = $TARGETPLATFORM;
- unlink("$Tmp_prefix.unmkd");
- local($to_do) = "$Cp $hc_file $Tmp_prefix.unmkd";
- &run_something($to_do, 'Prepare to number split markers');
+($Pgm = $0) =~ s|.*/||;
+$ifile = $ARGV[0];
+$Tmp_prefix = $ARGV[1];
+$Output = $ARGV[2];
- open(TMPI, "< $Tmp_prefix.unmkd") || &tidy_up_and_die(1,"$Pgm: failed to open `$Tmp_prefix.unmkd' (to read)\n");
- open(TMPO, "> $hc_file") || &tidy_up_and_die(1,"$Pgm: failed to open `$hc_file' (to write)\n");
+&split_asm_file($ifile);
- local($marker_no) = 1;
+open(OUTPUT, "> $Output") || &tidy_up_and_die(1,"$Pgm: failed to open `$Output' (to write)\n");
+print OUTPUT "$NoOfSplitFiles\n";
+close(OUTPUT);
- # make sure there is a split marker before any "real" code
- $_ = <TMPI>;
- while ( $_ ne '' && ( /^$/ || /^#/ ) ) {
- print TMPO $_;
- $_ = <TMPI>;
- }
- print TMPO "__STG_SPLIT_MARKER(1)\n";
- print TMPO $_ if ! /^\s*\/\* SPLIT \*\/\s*$/;
-
- # Have to be a bit careful detecting /* SPLIT */ comments
- # since a progam may use a string containing "/* SPLIT */"
- # We check that there is nothing else on the line
-
- while (<TMPI>) {
- if (/^\s*\/\* SPLIT \*\/\s*$/) {
- $marker_no++;
- print TMPO "__STG_SPLIT_MARKER($marker_no)\n";
- next;
- }
- print TMPO $_;
- }
-
- close(TMPI) || &tidy_up_and_die(1,"Failed reading $Tmp_prefix.unmkd\n");
- close(TMPO) || &tidy_up_and_die(1,"Failed writing $hc_file\n");
-}
+exit(0);
\end{code}
+
\begin{code}
sub split_asm_file {
local($asm_file) = @_;
&collectExports_hppa() if $TargetPlatform =~ /^hppa/;
&collectExports_mips() if $TargetPlatform =~ /^mips/;
+ &collectDyldStuff_powerpc() if $TargetPlatform =~ /^powerpc-apple/;
$octr = 0; # output file counter
$* = 1; # multi-line matches are OK
# &tidy_up_and_die(1,"$Pgm: no split markers in .s file!\n")
# if $prologue_stuff eq $s_stuff;
+ # about to use $Tmp_prefix in a regex - make sure backslashes don't get
+ # interpreted in a strange way. ToDo: what about other regex
+ # characters, eg. '.'?
+ $Tmp_prefix =~ s/\\/\\\\/g;
+
# lie about where this stuff came from
- $prologue_stuff =~ s|"/tmp/ghc\d+\.c"|"$ifile_root\.hc"|g;
+ $prologue_stuff =~ s|"${Tmp_prefix}\.c"|"$ifile_root\.hc"|g;
while ( $_ ne '' ) { # not EOF
$octr++;
seek(TMPI, 0, 0);
}
+sub collectDyldStuff_powerpc { # Note: Darwin/PowerPC only
+ local($chunk_label,$label,$cur_section,$section,$chunk,$alignment,$cur_alignment);
+
+ %DyldChunks = (); # NB: global table
+ %DyldChunksDefined = (); # NB: global table
+
+ $cur_section = '';
+ $section = '';
+ $label = '';
+ $chunk = '';
+ $alignment = '';
+ $cur_alignment = '';
+
+ while ( 1 ) {
+ $_ = <TMPI>;
+ if ( $_ eq '' || /^L(_.+)\$.+:/ ) {
+ if ( $label ne '' ) {
+ $DyldChunksDefined{$label} .= $section . $chunk_label . $alignment . $ chunk;
+ if( $section =~ s/\.data/\.non_lazy_symbol_pointer/ ) {
+ $chunk = "\t.indirect_symbol $label\n\t.long 0\n";
+ }
+ $DyldChunks{$label} .= $section . $chunk_label . $chunk;
+ # don't use $alignment, it's only needed for .data, which we change into .non_lazy_symbol_pointer
+ print STDERR "### dyld chunk: $label\n$section$alignment$chunk\n###\n" if $Dump_asm_splitting_info;
+ }
+ last if ($_ eq '');
+
+ $chunk = '';
+ $chunk_label = $_;
+ $label = $1;
+ $section = $cur_section;
+ $alignment = $cur_alignment;
+ print STDERR "label: $label\n" if $Dump_asm_splitting_info;
+ } elsif ( /^\s*\.(symbol_stub|picsymbol_stub|lazy_symbol_pointer|non_lazy_symbol_pointer|data)/ ) {
+ $cur_section = $_;
+ printf STDERR "section: $cur_section\n" if $Dump_asm_splitting_info;
+ $cur_alignment = ''
+ } elsif ( /^\s*\.section\s+__TEXT,__symbol_stub1,symbol_stubs,pure_instructions,\d+/ ) {
+ $cur_section = $_;
+ printf STDERR "section: $cur_section\n" if $Dump_asm_splitting_info;
+ $cur_alignment = ''
+ } elsif ( /^\s*\.align.*/ ) {
+ $cur_alignment = $_;
+ printf STDERR "alignment: $cur_alignment\n" if $Dump_asm_splitting_info;
+ } else {
+ $chunk .= $_;
+ }
+ }
+
+ seek(TMPI, 0, 0);
+}
+
sub ReadTMPIUpToAMarker {
local($str, $count) = @_; # already read bits
print STDERR "### BLOCK:$count:\n$str" if $Dump_asm_splitting_info;
# return str
+ $str =~ tr/\r//d if $TargetPlatform =~ /-mingw32$/; # in case Perl doesn't convert line endings
$str;
}
\end{code}
return(&process_asm_block_alpha($str)) if $TargetPlatform =~ /^alpha-/;
return(&process_asm_block_hppa($str)) if $TargetPlatform =~ /^hppa/;
return(&process_asm_block_mips($str)) if $TargetPlatform =~ /^mips-/;
- return(&process_asm_block_powerpc($str)) if $TargetPlatform =~ /^powerpc-|^rs6000-/;
+ return(&process_asm_block_powerpc($str)) if $TargetPlatform =~ /^powerpc-apple-/;
# otherwise...
&tidy_up_and_die(1,"$Pgm: no process_asm_block for $TargetPlatform\n");
$str =~ s/^\.stabs "(ghc\d+\.c)"/.stabs "$ifile_root.hc"/g; # HACK HACK
# remove/record any literal constants defined here
- while ( $str =~ /(\t\.align .\n(LC\d+):\n(\t\.ascii.*\n)+)/ ) {
+ while ( $str =~ /(\t\.align .\n\.?(L?LC\d+):\n(\t\.asci[iz].*\n)+)/ ) {
local($label) = $2;
local($body) = $1;
$LocalConstant{$label} = $body;
- $str =~ s/\t\.align .\nLC\d+:\n(\t\.ascii.*\n)+//;
+ $str =~ s/\t\.align .\n\.?LL?C\d+:\n(\t\.asci[iz].*\n)+//;
}
# inject definitions for any local constants now used herein
$str = "\.text\n\t.align 4\n" . $str;
# remove/record any literal constants defined here
- while ( ($str =~ /((LC\d+):\n\t\.ascii.*\n)/ )) {
+ # [perl made uglier to work around the perl 5.7/5.8 bug documented at
+ # http://bugs6.perl.org/rt2/Ticket/Display.html?id=1760 and illustrated
+ # by the seg fault of perl -e '("x\n" x 5000) =~ /(.*\n)+/'
+ # -- ccshan 2002-09-05]
+ while ( ($str =~ /(\.?(LC\d+):\n(\t\.(ascii|string).*\n|\s*\.byte.*\n){1,100})/ )) {
local($label) = $2;
local($body) = $1;
+ local($prefix, $suffix, $*) = ($`, $', 0);
&tidy_up_and_die(1,"Local constant label $label already defined!\n")
if $LocalConstant{$label};
+ while ( $suffix =~ /^((\t\.(ascii|string).*\n|\s*\.byte.*\n){1,100})/ ) {
+ $body .= $1;
+ $suffix = $';
+ }
$LocalConstant{$label} = $body;
-
- $str =~ s/LC\d+:\n\t\.ascii.*\n//;
+ $str = $prefix . $suffix;
}
# inject definitions for any local constants now used herein
while ( $str =~ /^(\s+\.align.*\n(L\$C\d+)\n(\s.*\n)+); end literal\n/ ) {
local($label) = $2;
local($body) = $1;
+ local($prefix) = $`;
+ local($suffix) = $';
$label =~ s/\$/\\\$/g;
&tidy_up_and_die(1,"Local constant label $label already defined!\n")
$LocalConstant{$label} = "\t.SPACE \$TEXT\$\n\t.SUBSPA \$LIT\$\n\n" . $body;
- $str =~ s/^\s+\.SPACE \$TEXT\$\n\s+\.SUBSPA \$LIT\$\s+\.align.*\nL\$C\d+\n(\s.*\n)+; end literal\n//;
+ $str = $prefix . $suffix;
}
# inject definitions for any local constants now used herein
\begin{code}
sub process_asm_block_powerpc {
local($str) = @_;
+ local($dyld_stuff) = '';
# strip the marker
$str =~ s/___stg_split_marker.*\n//;
- $str =~ s/___stg_split_marker.*\n//; # yes, twice.
+
+ $str =~ s/L_.*\$.*:\n(.|\n)*//;
# remove/record any literal constants defined here
- while ( $str =~ /^(.csect .data[RW]\n\s+\.align.*\n(LC\.\.\d+):\n(\s\.byte .*\n)+)/ ) {
+ while ( $str =~ s/^(\s+.const_data\n\s+\.align.*\n(LC\d+):\n(\s\.(byte|short|long|fill|space|ascii).*\n)+)// ) {
local($label) = $2;
local($body) = $1;
if $LocalConstant{$label};
$LocalConstant{$label} = $body;
-
- $str =~ s/^.csect .data[RW]\n\s+\.align.*\nLC\.\.\d+:\n(\s\.byte .*\n)+//;
}
# inject definitions for any local constants now used herein
$str = $LocalConstant{$k} . $str;
}
}
+
+ foreach $k (keys %DyldChunks) {
+ if ( $str =~ /\bL$k\$/ ) {
+ if ( $str =~ /^$k:$/ ) {
+ $dyld_stuff .= $DyldChunksDefined{$k};
+ } else {
+ $dyld_stuff .= $DyldChunks{$k};
+ }
+ }
+ }
- print STDERR "### STRIPPED BLOCK (powerpc/rs6000):\n$str" if $Dump_asm_splitting_info;
+ $str .= "\n" . $dyld_stuff;
- $str = ".toc\n" . $str;
+ print STDERR "### STRIPPED BLOCK (powerpc):\n$str" if $Dump_asm_splitting_info;
$str;
}
\end{code}
\begin{code}
-# make "require"r happy...
-1;
+sub tidy_up_and_die {
+ local($return_val, $msg) = @_;
+ print STDERR $msg;
+ exit (($return_val == 0) ? 0 : 1);
+}
\end{code}
-
projects / ghc-hetmet.git / blobdiff