\begin{code}
sub split_asm_file {
local($asm_file) = @_;
+ my @pieces = ();
open(TMPI, "< $asm_file") || &tidy_up_and_die(1,"$Pgm: failed to open `$asm_file' (to read)\n");
&collectDyldStuff_darwin() if $TargetPlatform =~ /-apple-darwin/;
$octr = 0; # output file counter
- $* = 1; # multi-line matches are OK
%LocalConstant = (); # we have to subvert C compiler's commoning-up of constants...
# lie about where this stuff came from
# Note the \Q: this ignores regex meta-chars in $Tmp_prefix.
- $prologue_stuff =~ s/\Q"$Tmp_prefix.c"/"$ifile_root.hc"/g;
+ $prologue_stuff =~ s/\Q"$Tmp_prefix.c"/"$ifile_root.hc"/gm;
while ( $_ ne '' ) { # not EOF
$octr++;
# grab and de-mangle a section of the .s file...
$s_stuff = &ReadTMPIUpToAMarker ( $_, $octr );
- $this_piece = &process_asm_block ( $s_stuff );
+ $pieces[$octr] = &process_asm_block ( $s_stuff );
+ }
- # output to a file of its own
- # open a new output file...
- $ofname = "${Tmp_prefix}__${octr}.s";
- open(OUTF, "> $ofname") || die "$Pgm: can't open output file: $ofname\n";
+ # Make sure that we still have some output when the input file is empty
+ if ($octr == 0) {
+ $octr = 1;
+ $pieces[$octr] = '';
+ }
- print OUTF $prologue_stuff;
- print OUTF $this_piece;
+ $NoOfSplitFiles = $octr;
- close(OUTF)
- || &tidy_up_and_die(1,"$Pgm:Failed writing ${Tmp_prefix}__${octr}.s\n");
+ if ($pieces[$NoOfSplitFiles] =~ /(\n[ \t]*\.section[ \t]+\.note\.GNU-stack,[^\n]*\n)/m) {
+ $note_gnu_stack = $1;
+ for $octr (1..($NoOfSplitFiles - 1)) {
+ $pieces[$octr] .= $note_gnu_stack;
+ }
}
- # Make sure that we still have some output when the input file is empty
- if ( $octr == 0 ) {
- $octr = 1;
+ for $octr (1..$NoOfSplitFiles) {
+ # output to a file of its own
+ # open a new output file...
$ofname = "${Tmp_prefix}__${octr}.s";
open(OUTF, "> $ofname") || die "$Pgm: can't open output file: $ofname\n";
print OUTF $prologue_stuff;
+ print OUTF $pieces[$octr];
close(OUTF)
|| &tidy_up_and_die(1,"$Pgm:Failed writing ${Tmp_prefix}__${octr}.s\n");
}
- $NoOfSplitFiles = $octr;
-
close(TMPI) || &tidy_up_and_die(1,"Failed reading $asm_file\n");
}
%LocalExport = (); # NB: global table
while(<TMPI>) {
- if (/^\s+\.EXPORT\s+([^,]+),.*\n/) {
+ if (/^\s+\.EXPORT\s+([^,]+),.*\n/m) {
local($label) = $1;
local($body) = "\t.IMPORT $label";
- if (/,DATA/) {
+ if (/,DATA/m) {
$body .= ",DATA\n";
} else {
$body .= ",CODE\n";
}
- $label =~ s/\$/\\\$/g;
+ $label =~ s/\$/\\\$/gm;
$LocalExport{$label} = $body;
}
}
$UNDEFINED_FUNS = ''; # NB: global table
while(<TMPI>) {
- $UNDEFINED_FUNS .= $_ if /^\t\.globl\s+\S+ \.\S+\n/;
+ $UNDEFINED_FUNS .= $_ if /^\t\.globl\s+\S+ \.\S+\n/m;
# just save 'em all
}
while ( 1 ) {
$_ = <TMPI>;
- if ( $_ eq '' || /^L(_.+)\$.+:/ ) {
+ if ( $_ eq '' || (/^L(_.+)\$.+:/m && !(/^L(.*)\$stub_binder:/m))) {
if ( $label ne '' ) {
$DyldChunksDefined{$label} .= $section . $alignment . $chunk_label . $ chunk;
- if( $section =~ s/\.data/\.non_lazy_symbol_pointer/ ) {
+ if( $section =~ s/\.data/\.non_lazy_symbol_pointer/m ) {
$chunk = "\t.indirect_symbol $label\n\t.long 0\n";
}
$DyldChunks{$label} .= $section . $alignment . $chunk_label . $chunk;
$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|section __IMPORT,.*)/ ) {
+ } elsif ( /^\s*\.(symbol_stub|picsymbol_stub|lazy_symbol_pointer|non_lazy_symbol_pointer|data|section __IMPORT,.*|section __DATA, __la_sym_ptr(2|3),lazy_symbol_pointers)/m ) {
$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+/ ) {
+ } elsif ( /^\s*\.section\s+__TEXT,__symbol_stub1,symbol_stubs,pure_instructions,\d+/m ) {
$cur_section = $_;
printf STDERR "section: $cur_section\n" if $Dump_asm_splitting_info;
# always make sure we align things
$cur_alignment = '\t.align 2'
- } elsif ( /^\s*\.align.*/ ) {
+ } elsif ( /^\s*\.align.*/m ) {
$cur_alignment = $_;
printf STDERR "alignment: $cur_alignment\n" if $Dump_asm_splitting_info;
} else {
local($str, $count) = @_; # already read bits
- for ( $_ = <TMPI>; $_ ne '' && ! /_?__stg_split_marker/; $_ = <TMPI> ) {
+ for ( $_ = <TMPI>; $_ ne '' && ! /_?__stg_split_marker/m; $_ = <TMPI> ) {
$str .= $_;
}
# if not EOF, then creep forward until next "real" line
# Note that the assembler mangler will already have eliminated this code
# if it's been invoked (which it probably has).
- while ($_ ne '' && (/_?__stg_split_marker/
- || /^L[^C].*:$/
- || /^\.stab/
- || /\t\.proc/
- || /\t\.stabd/
- || /\t\.even/
- || /\tunlk a6/
- || /^\t!#PROLOGUE/
- || /\t\.prologue/
- || /\t\.frame/
+ while ($_ ne '' && (/_?__stg_split_marker/m
+ || /^L[^C].*:$/m
+ || /^\.stab/m
+ || /\t\.proc/m
+ || /\t\.stabd/m
+ || /\t\.even/m
+ || /\tunlk a6/m
+ || /^\t!#PROLOGUE/m
+ || /\t\.prologue/m
+ || /\t\.frame/m
# || /\t\.end/ NOT! Let the split_marker regexp catch it
# || /\t\.ent/ NOT! Let the split_marker regexp catch it
- || /^\s+(save|retl?|restore|nop)/)) {
+ || /^\s+(save|retl?|restore|nop)/m)) {
$_ = <TMPI>;
}
print STDERR "### BLOCK:$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 =~ tr/\r//d if $TargetPlatform =~ /-mingw32$/m; # in case Perl doesn't convert line endings
$str;
}
\end{code}
local($str) = @_;
return(&process_asm_block_darwin($str))
- if $TargetPlatform =~ /-apple-darwin/;
- return(&process_asm_block_m68k($str)) if $TargetPlatform =~ /^m68k-/;
- return(&process_asm_block_sparc($str)) if $TargetPlatform =~ /^sparc-/;
- return(&process_asm_block_iX86($str)) if $TargetPlatform =~ /^i[34]86-/;
- return(&process_asm_block_x86_64($str)) if $TargetPlatform =~ /^x86_64-/;
- return(&process_asm_block_alpha($str)) if $TargetPlatform =~ /^alpha-/;
- return(&process_asm_block_hppa($str)) if $TargetPlatform =~ /^hppa/;
- return(&process_asm_block_mips($str)) if $TargetPlatform =~ /^mips-/;
+ if $TargetPlatform =~ /-apple-darwin/m;
+ return(&process_asm_block_m68k($str)) if $TargetPlatform =~ /^m68k-/m;
+ return(&process_asm_block_sparc($str)) if $TargetPlatform =~ /^sparc-/m;
+ return(&process_asm_block_iX86($str)) if $TargetPlatform =~ /^i[34]86-/m;
+ return(&process_asm_block_x86_64($str)) if $TargetPlatform =~ /^x86_64-/m;
+ return(&process_asm_block_alpha($str)) if $TargetPlatform =~ /^alpha-/m;
+ return(&process_asm_block_hppa($str)) if $TargetPlatform =~ /^hppa/m;
+ return(&process_asm_block_mips($str)) if $TargetPlatform =~ /^mips-/m;
return(&process_asm_block_powerpc_linux($str))
- if $TargetPlatform =~ /^powerpc-[^-]+-linux/;
+ if $TargetPlatform =~ /^powerpc-[^-]+-linux/m;
# otherwise...
&tidy_up_and_die(1,"$Pgm: no process_asm_block for $TargetPlatform\n");
# strip the marker
if ( $OptimiseC ) {
- $str =~ s/_?__stg_split_marker.*:\n//;
+ $str =~ s/_?__stg_split_marker.*:\n//m;
} else {
- $str =~ s/(\.text\n\t\.align .\n)\t\.global\s+.*_?__stg_split_marker.*\n\t\.proc.*\n/$1/;
- $str =~ s/(\t\.align .\n)\t\.global\s+.*_?__stg_split_marker.*\n\t\.proc.*\n/$1/;
+ $str =~ s/(\.text\n\t\.align .\n)\t\.global\s+.*_?__stg_split_marker.*\n\t\.proc.*\n/$1/m;
+ $str =~ s/(\t\.align .\n)\t\.global\s+.*_?__stg_split_marker.*\n\t\.proc.*\n/$1/m;
}
# make sure the *.hc filename gets saved; not just ghc*.c (temp name)
- $str =~ s/^\.stabs "(ghc\d+\.c)"/.stabs "$ifile_root.hc"/g; # HACK HACK
+ $str =~ s/^\.stabs "(ghc\d+\.c)"/.stabs "$ifile_root.hc"/gm; # HACK HACK
# remove/record any literal constants defined here
- while ( $str =~ /(\t\.align .\n\.?(L?LC\d+):\n(\t\.asci[iz].*\n)+)/ ) {
+ while ( $str =~ /(\t\.align .\n\.?(L?LC\d+):\n(\t\.asci[iz].*\n)+)/m ) {
local($label) = $2;
local($body) = $1;
$LocalConstant{$label} = $body;
- $str =~ s/\t\.align .\n\.?LL?C\d+:\n(\t\.asci[iz].*\n)+//;
+ $str =~ s/\t\.align .\n\.?LL?C\d+:\n(\t\.asci[iz].*\n)+//m;
}
# inject definitions for any local constants now used herein
foreach $k (keys %LocalConstant) {
- if ( $str =~ /\b$k\b/ ) {
+ if ( $str =~ /\b$k\b/m ) {
$str = $LocalConstant{$k} . $str;
}
}
# strip the marker
- $str =~ s/(\.text\n\t\.even\n)\t\.globl\s+.*_?__stg_split_marker.*\n/$1/;
- $str =~ s/(\t\.even\n)\t\.globl\s+.*_?__stg_split_marker.*\n/$1/;
+ $str =~ s/(\.text\n\t\.even\n)\t\.globl\s+.*_?__stg_split_marker.*\n/$1/m;
+ $str =~ s/(\t\.even\n)\t\.globl\s+.*_?__stg_split_marker.*\n/$1/m;
# it seems prudent to stick on one of these:
$str = "\.text\n\t.even\n" . $str;
# remove/record any literal constants defined here
- while ( $str =~ /((LC\d+):\n\t\.ascii.*\n)/ ) {
+ while ( $str =~ /((LC\d+):\n\t\.ascii.*\n)/m ) {
local($label) = $2;
local($body) = $1;
$LocalConstant{$label} = $body;
- $str =~ s/LC\d+:\n\t\.ascii.*\n//;
+ $str =~ s/LC\d+:\n\t\.ascii.*\n//m;
}
# inject definitions for any local constants now used herein
foreach $k (keys %LocalConstant) {
- if ( $str =~ /\b$k\b/ ) {
+ if ( $str =~ /\b$k\b/m ) {
$str = $LocalConstant{$k} . $str;
}
}
# strip the marker
if ( $OptimiseC ) {
- $str =~ s/_?__stg_split_marker.*:\n//;
+ $str =~ s/_?__stg_split_marker.*:\n//m;
} else {
- $str =~ s/(\t\.align .\n)\t\.globl\s+.*_?__stg_split_marker.*\n\t\.ent.*\n/$1/;
+ $str =~ s/(\t\.align .\n)\t\.globl\s+.*_?__stg_split_marker.*\n\t\.ent.*\n/$1/m;
}
# remove/record any literal constants defined here
- while ( $str =~ /(\.rdata\n\t\.align \d\n)?(\$(C\d+):\n\t\..*\n)/ ) {
+ while ( $str =~ /(\.rdata\n\t\.align \d\n)?(\$(C\d+):\n\t\..*\n)/m ) {
local($label) = $3;
local($body) = $2;
$LocalConstant{$label} = ".rdata\n\t.align 3\n" . $body . "\t.text\n";
- $str =~ s/(\.rdata\n\t\.align \d\n)?\$C\d+:\n\t\..*\n//;
+ $str =~ s/(\.rdata\n\t\.align \d\n)?\$C\d+:\n\t\..*\n//m;
}
# inject definitions for any local constants now used herein
foreach $k (keys %LocalConstant) {
- if ( $str =~ /\$\b$k\b/ ) {
+ if ( $str =~ /\$\b$k\b/m ) {
$str = $LocalConstant{$k} . $str;
}
}
# Slide the dummy direct return code into the vtbl .ent/.end block,
# to keep the label fixed if it's the last thing in a module, and
# to avoid having any anonymous text that the linker will complain about
- $str =~ s/(\t\.end [A-Za-z0-9_]+)\n\t# nop/\tnop\n$1/g;
+ $str =~ s/(\t\.end [A-Za-z0-9_]+)\n\t# nop/\tnop\n$1/gm;
print STDERR "### STRIPPED BLOCK (alpha):\n$str" if $Dump_asm_splitting_info;
# strip the marker
- $str =~ s/(\.text\n\t\.align .(,0x90)?\n)\.globl\s+.*_?__stg_split_marker.*\n/$1/;
- $str =~ s/(\t\.align .(,0x90)?\n)\.globl\s+.*_?__stg_split_marker.*\n/$1/;
+ $str =~ s/(\.text\n\t\.align .(,0x90)?\n)\.globl\s+.*_?__stg_split_marker.*\n/$1/m;
+ $str =~ s/(\t\.align .(,0x90)?\n)\.globl\s+.*_?__stg_split_marker.*\n/$1/m;
# it seems prudent to stick on one of these:
$str = "\.text\n\t.align 4\n" . $str;
# http://bugs6.perl.org/rt2/Ticket/Display.html?id=1760 and illustrated
# by the seg fault of perl -e '("x\n" x 5000) =~ /(.*\n)+/'
# -- ccshan 2002-09-05]
- while ( ($str =~ /(\.?(LC\d+):\n(\t\.(ascii|string).*\n|\s*\.byte.*\n){1,100})/ )) {
+ while ( ($str =~ /((?:^|\.)(LC\d+):\n(\t\.(ascii|string).*\n|\s*\.byte.*\n){1,100})/m )) {
local($label) = $2;
local($body) = $1;
- local($prefix, $suffix, $*) = ($`, $', 0);
+ local($prefix, $suffix) = ($`, $');
&tidy_up_and_die(1,"Local constant label $label already defined!\n")
if $LocalConstant{$label};
# inject definitions for any local constants now used herein
foreach $k (keys %LocalConstant) {
- if ( $str =~ /\b$k\b/ ) {
+ if ( $str =~ /\b$k\b/m ) {
$str = $LocalConstant{$k} . $str;
}
}
# http://bugs6.perl.org/rt2/Ticket/Display.html?id=1760 and illustrated
# by the seg fault of perl -e '("x\n" x 5000) =~ /(.*\n)+/'
# -- ccshan 2002-09-05]
- while ( ($str =~ /(\.?(LC\d+):\n(\t\.(ascii|string).*\n|\s*\.byte.*\n){1,100})/ )) {
+ while ( ($str =~ /((?:^|\.)(LC\d+):\n(\t\.(ascii|string).*\n|\s*\.byte.*\n){1,100})/m )) {
local($label) = $2;
local($body) = $1;
- local($prefix, $suffix, $*) = ($`, $', 0);
+ local($prefix, $suffix) = ($`, $');
&tidy_up_and_die(1,"Local constant label $label already defined!\n")
if $LocalConstant{$label};
# inject definitions for any local constants now used herein
foreach $k (keys %LocalConstant) {
- if ( $str =~ /\b$k\b/ ) {
+ if ( $str =~ /\b$k\b/m ) {
$str = $LocalConstant{$k} . $str;
}
}
local($str) = @_;
# strip the marker
- $str =~ s/___stg_split_marker.*\n//;
+ $str =~ s/___stg_split_marker.*\n//m;
# remove/record any imports defined here
- while ( $str =~ /^(\s+\.IMPORT\s.*\n)/ ) {
+ while ( $str =~ /^(\s+\.IMPORT\s.*\n)/m ) {
$Imports .= $1;
- $str =~ s/^\s+\.IMPORT.*\n//;
+ $str =~ s/^\s+\.IMPORT.*\n//m;
}
# remove/record any literal constants defined here
- while ( $str =~ /^(\s+\.align.*\n(L\$C\d+)\n(\s.*\n)+); end literal\n/ ) {
+ while ( $str =~ /^(\s+\.align.*\n(L\$C\d+)\n(\s.*\n)+); end literal\n/m ) {
local($label) = $2;
local($body) = $1;
local($prefix) = $`;
local($suffix) = $';
- $label =~ s/\$/\\\$/g;
+ $label =~ s/\$/\\\$/gm;
&tidy_up_and_die(1,"Local constant label $label already defined!\n")
if $LocalConstant{$label};
# inject definitions for any local constants now used herein
foreach $k (keys %LocalConstant) {
- if ( $str =~ /\b$k\b/ ) {
+ if ( $str =~ /\b$k\b/m ) {
$str = $LocalConstant{$k} . $str;
}
}
# inject required imports for local exports in other chunks
foreach $k (keys %LocalExport) {
- if ( $str =~ /\b$k\b/ && ! /EXPORT\s+$k\b/ ) {
+ if ( $str =~ /\b$k\b/m && ! /EXPORT\s+$k\b/m ) {
$str = $LocalExport{$k} . $str;
}
}
# strip the marker
if ( $OptimiseC ) {
- $str =~ s/_?__stg_split_marker.*:\n//;
+ $str =~ s/_?__stg_split_marker.*:\n//m;
} else {
- $str =~ s/(\t\.align .\n)\t\.globl\s+.*_?__stg_split_marker.*\n\t\.ent.*\n/$1/;
+ $str =~ s/(\t\.align .\n)\t\.globl\s+.*_?__stg_split_marker.*\n\t\.ent.*\n/$1/m;
}
# remove/record any literal constants defined here
- while ( $str =~ /(\t\.rdata\n\t\.align \d\n)?(\$(LC\d+):\n(\t\.byte\t.*\n)+)/ ) {
+ while ( $str =~ /(\t\.rdata\n\t\.align \d\n)?^(\$(LC\d+):\n(\t\.byte\t.*\n)+)/m ) {
local($label) = $3;
local($body) = $2;
$LocalConstant{$label} = "\t.rdata\n\t.align 2\n" . $body . "\t.text\n";
- $str =~ s/(\t\.rdata\n\t\.align \d\n)?\$LC\d+:\n(\t\.byte\t.*\n)+//;
+ $str =~ s/(\t\.rdata\n\t\.align \d\n)?\$LC\d+:\n(\t\.byte\t.*\n)+//m;
}
# inject definitions for any local constants now used herein
foreach $k (keys %LocalConstant) {
- if ( $str =~ /\$\b$k\b/ ) {
+ if ( $str =~ /\$\b$k\b/m ) {
$str = $LocalConstant{$k} . $str;
}
}
# Slide the dummy direct return code into the vtbl .ent/.end block,
# to keep the label fixed if it's the last thing in a module, and
# to avoid having any anonymous text that the linker will complain about
- $str =~ s/(\t\.end [A-Za-z0-9_]+)\n\t# nop/\tnop\n$1/g;
+ $str =~ s/(\t\.end [A-Za-z0-9_]+)\n\t# nop/\tnop\n$1/gm;
$str .= $UNDEFINED_FUNS; # pin on gratuitiously-large amount of info
local($dyld_stuff) = '';
# strip the marker
- $str =~ s/___stg_split_marker.*\n//;
+ $str =~ s/___stg_split_marker.*\n//m;
- $str =~ s/L_.*\$.*:\n(.|\n)*//;
+ $str =~ s/L_.*\$.*:\n(.|\n)*//m;
# remove/record any literal constants defined here
- while ( $str =~ s/^(\s+.const.*\n\s+\.align.*\n(LC\d+):\n(\s\.(byte|short|long|fill|space|ascii).*\n)+)// ) {
+ while ( $str =~ s/^(\s+.const.*\n\s+\.align.*\n(LC\d+):\n(\s\.(byte|short|long|fill|space|ascii).*\n)+)//m ) {
local($label) = $2;
local($body) = $1;
# inject definitions for any local constants now used herein
foreach $k (keys %LocalConstant) {
- if ( $str =~ /\b$k(\b|\[)/ ) {
+ if ( $str =~ /\b$k(\b|\[)/m ) {
$str = $LocalConstant{$k} . $str;
}
}
foreach $k (keys %DyldChunks) {
- if ( $str =~ /\bL$k\$/ ) {
- if ( $str =~ /^$k:$/ ) {
+ if ( $str =~ /\bL$k\$/m ) {
+ if ( $str =~ /^$k:$/m ) {
$dyld_stuff .= $DyldChunksDefined{$k};
} else {
$dyld_stuff .= $DyldChunks{$k};
local($str) = @_;
# strip the marker
- $str =~ s/__stg_split_marker.*\n//;
+ $str =~ s/__stg_split_marker.*\n//m;
# remove/record any literal constants defined here
- while ( $str =~ s/^(\s+.section\s+\.rodata\n\s+\.align.*\n(\.LC\d+):\n(\s\.(byte|short|long|quad|2byte|4byte|8byte|fill|space|ascii|string).*\n)+)// ) {
+ while ( $str =~ s/^(\s+.section\s+\.rodata\n\s+\.align.*\n(\.LC\d+):\n(\s\.(byte|short|long|quad|2byte|4byte|8byte|fill|space|ascii|string).*\n)+)//m ) {
local($label) = $2;
local($body) = $1;
# inject definitions for any local constants now used herein
foreach $k (keys %LocalConstant) {
- if ( $str =~ /[\s,]$k\b/ ) {
+ if ( $str =~ /[\s,]$k\b/m ) {
$str = $LocalConstant{$k} . $str;
}
}