$T_US = ''; # _ if symbols have an underscore on the front
$T_DO_GC = 'PerformGC_wrapper';
$T_PRE_APP = 'NOT APPLICABLE'; # regexp that says what comes before APP/NO_APP
- $T_CONST_LBL = '^LC\.\.(\d+):$'; # regexp for what such a lbl looks like
+ $T_CONST_LBL = 'NOT APPLICABLE'; # regexp for what such a lbl looks like
+# $T_CONST_LBL = '^LC\.\.(\d+):$'; # regexp for what such a lbl looks like
$T_POST_LBL = ':';
- $T_MOVE_DIRVS = '^(\s*(\.toc|.csect \S+|\.l?globl \S+|\.align \d+)\n)';
+ $T_MOVE_DIRVS = '^(\s*(\.toc|\.align \d+|\.csect \S+|\t\.?l?globl \S+)\n)';
+# $T_MOVE_DIRVS = '^(\s*(\.toc|.csect \S+|\.l?globl \S+|\.align \d+)\n)';
$T_COPY_DIRVS = '\.(l?globl)';
$T_hsc_cc_PAT = '\.string.*\)(hsc|cc) (.*)\\\\t(.*)"';
$T_DOT_WORD = '\.long';
$T_DOT_GLOBAL = '\.globl';
- $T_HDR_literal = "\.section\t\.rodata\n";
- $T_HDR_misc = "\.text\n\t\.align 2\n";
- $T_HDR_data = "\.data\n\t\.align 2\n";
- $T_HDR_consist = "\.text\n";
- $T_HDR_closure = "\.data\n\t\.align 2\n";
- $T_HDR_info = "\.text\n\t\.align 2\n";
- $T_HDR_entry = "\.text\n";
- $T_HDR_fast = "\.text\n\t\.align 2\n";
- $T_HDR_vector = "\.text\n\t\.align 2\n";
- $T_HDR_direct = "\.text\n\t\.align 2\n";
+ $T_HDR_toc = "\.toc\n";
+ $T_HDR_literal = "# literal\n\.csect .data[RW]\n\t\.align 2\n"; #not RO!?
+ $T_HDR_misc = "# misc\n\.csect \.text[PR]\n\t\.align 2\n";
+ $T_HDR_data = "# data\n\.csect \.data[RW]\n\t\.align 2\n";
+ $T_HDR_consist = "# consist\n\.csect \.data[RW]\n\t\.align 2\n";
+ $T_HDR_closure = "# closure\n\.csect \.data[RW]\n\t\.align 2\n";
+ $T_HDR_info = "# info\n\.csect \.data[RW]\n\t\.align 2\n"; #not RO!?
+ $T_HDR_entry = "# entry\n";
+ $T_HDR_fast = "# fast\n\.csect \.text[PR]\n\t\.align 2\n";
+ $T_HDR_vector = "# vector\n\.csect \.data[RW]\n\t\.align 2\n"; #not RO!?
+ $T_HDR_direct = "# direct\n";
+
+# $T_HDR_literal = "\.section\t\.rodata\n";
+# $T_HDR_misc = "\.text\n\t\.align 2\n";
+# $T_HDR_data = "\.data\n\t\.align 2\n";
+# $T_HDR_consist = "\.text\n";
+# $T_HDR_closure = "\.data\n\t\.align 2\n";
+# $T_HDR_info = "\.text\n\t\.align 2\n";
+# $T_HDR_entry = "\.text\n";
+# $T_HDR_fast = "\.text\n\t\.align 2\n";
+# $T_HDR_vector = "\.text\n\t\.align 2\n";
+# $T_HDR_direct = "\.text\n\t\.align 2\n";
#--------------------------------------------------------#
} elsif ( $TargetPlatform =~ /^sparc-.*-solaris2/ ) {
} elsif ( /^([A-Za-z0-9_]+)\s+\.comm/ && $TargetPlatform =~ /^hppa/ ) {
$chk[++$i] = $_;
$chkcat[$i] = 'bss';
+ $chksymb[$i] = $1; # useless, $1 is always '', since we end up using the second
+ # pattern /^hppa/. Change $1 to ''. Or reverse the pattern.
+ # Anyway, it is never used. - andre
$chksymb[$i] = $1;
+ } elsif ( $TargetPlatform =~ /^powerpc-/ && /^LC\.\.([0-9]+)/ ) {
+# } elsif ( /^LC\.\.([0-9]+)/ && $TargetPlatform =~ /^powerpc-/ ) {
+ $chk[++$i] = $_;
+ $chkcat[$i] = 'toc';
+ $chksymb[$i] = $1;
+
} elsif ( /^$TUS[@]?(ret_|djn_)/o ) {
$chk[++$i] = $_;
$chkcat[$i] = 'misc';
$chksymb[$i] = '';
+ $symbtmp = $1;
+ $chksymb[$i] = $symbtmp if ($TargetPlatform =~ /^powerpc-/) ;
} elsif ( /^$TUS[@]?vtbl_([A-Za-z0-9_]+)$TPOSTLBL[@]?$/o ) {
$chk[++$i] = $_;
$directchk{$1} = $i;
- } elsif ( /^$TUS[@]?[A-Za-z0-9_]+_upd$TPOSTLBL[@]?$/o ) {
+ } elsif ( /^$TUS[@]?([A-Za-z0-9_]+)_upd$TPOSTLBL[@]?$/o ) {
$chk[++$i] = $_;
$chkcat[$i] = 'misc';
- $chksymb[$i] = '';
+ if ($TargetPlatform =~ /^powerpc-/)
+ { $chksymb[$i] = $symbtmp;}
+ else { $chksymb[$i] = ''; };
+
} elsif ( $TargetPlatform =~ /^i386-.*-solaris2/
&& /^(_uname|uname|stat|fstat):/ ) {
|| /^$TUS[@]?_reg.*$TPOSTLBL$/o; # PROF: __reg<module>
$chk[++$i] = $_;
$chkcat[$i] = 'misc';
- $chksymb[$i] = '';
+ if ($TargetPlatform =~ /^powerpc-/)
+ { $chksymb[$i] = $thing; }
+ else { $chksymb[$i] = ''; };
} else { # simple line (duplicated at the top)
# about the whole module before we start spitting
# output.
- local($FIRST_MANGLABLE) = ($TargetPlatform =~ /^(alpha-|hppa|mips-)/) ? 1 : 0;
+ local($FIRST_MANGLABLE) = ($TargetPlatform =~ /^(alpha-|hppa|mips-|power)/) ? 1 : 0;
# print STDERR "first chunk to mangle: $FIRST_MANGLABLE\n";
# HPPAs, MIPSen: also start medding at chunk 1
+# AIX hack for the moment, to join up multiple identical tocs
+ if ($TargetPlatform =~ /^powerpc/) {
+ print OUTASM ".toc\n.csect .text[PR]\ngcc2_compiled.:\n__gnu_compiled_c:\n";
+# print OUTASM ".csect _ghc88142.rw_c[RW]\n\t.align 2\nghc_cc_ID:\n\t.byte \"@(#)cc prelude/Prelude.hc\"\n\t.byte 9\n\t.byte "35.0,,"\n\t.byte 0"
+ print OUTASM $T_HDR_toc;
+ %tocequiv = (); # maps toc symbol number to toc symbol
+ %revtocequiv = (); # maps toc symbol to toc symbol number
+ for ($i = 1; $i < $numchks; $i++) {
+ $chk[$i] =~ s/\[RW\]//g;
+ $chk[$i] =~ s/\[DS\]//g;
+ $chk[$i] =~ s/^\.csect .*\[DS\]$//g;
+ if ( $chkcat[$i] eq 'toc' && $chk[$i] !~ /\.byte/ )
+ { $chk[$i] =~ s/$T_MOVE_DIRVS//g;
+ $chk[$i] =~ s/\t\.tc (\S+)\[TC\],(\S+_fast\d+)/\t\.tc \1\[TC\],\.\2/;
+ $chk[$i] =~ s/\t\.tc (\S+)\[TC\],(\S+_entry)\n/\t\.tc \1\[TC\],\.\2\n/;
+ $chk[$i] =~ s/\t\.tc (\S+)\[TC\],(ret_\S+)/\t\.tc \1\[TC\],\.\2/;
+ $chk[$i] =~ s/\t\.tc (\S+)\[TC\],(djn_\S+)/\t\.tc \1\[TC\],\.\2/;
+ $chk[$i] =~ s/\t\.tc (\S+)\[TC\],(vtbl_\S+)/\t\.tc \1\[TC\],\.\2/;
+ $chk[$i] =~ s/\t\.tc (\S+)\[TC\],ErrorIO_innards/\t\.tc \1\[TC\],\.ErrorIO_innards/;
+ $chk[$i] =~ s/\t\.tc (\S+)\[TC\],startStgWorld/\t\.tc \1\[TC\],\.startStgWorld/;
+ $chk[$i] =~ s/\.tc UpdatePAP\[TC\],UpdatePAP/\.tc UpdatePAP\[TC\],\.UpdatePAP/;
+ $chk[$i] =~ s/\.tc IndUpdRetDir\[TC\],IndUpdRetDir/\.tc IndUpdRetDir\[TC\],\.IndUpdRetDir/;
+ $chk[$i] =~ s/\t\.tc (_PRStart_\S+)\[TC\],_PRStart_\S+/\t\.tc \1\[TC\],\.\1/;
+
+ $tocnumber = $chksymb[$i];
+ $tocsymb = $chk[$i];
+ $tocsymb =~ s/^LC\.\.\d+:\n//;
+ $tocsymb =~ s/^\t\.tc \S+,(\S+)\n/\1/;
+ $tocequiv{$tocnumber} = $tocsymb;
+
+ # limit is the limit of the scope of the current toc (either eof or find a new toc)
+ $limit = $i;
+ while ($chkcat[$limit] eq 'toc') {$limit++;};
+ while (($limit < $numchks) && ($chkcat[$limit] ne 'toc')) {$limit++;};
+
+ if ( $revtocequiv{$tocsymb} eq '') {
+ $revtocequiv{$tocsymb} = $tocnumber;
+ if ( $chk[$i] !~ /\.tc \S+_fast\d+\[TC\],\.\S+_fast\d+/ # no need to print these
+ || $chk[$i] !~ /\.tc UpdatePAP\[TC\],\.UpdatePAP/
+ || $chk[$i] !~ /\.tc \S+\[TC\],\.\S+_entry\n/ )
+ { print OUTASM $chk[$i]; };
+ } else {
+ for ($j = $i; $j <= $limit; $j++) {
+ $chk[$j] =~ s/LC\.\.$tocnumber\(/LC\.\.${revtocequiv{$tocsymb}}\(/g;
+ };
+ };
+ $chkcat[$i] = 'DONE ALREADY';
+ }
+ }
+ };
+
for ($i = $FIRST_MANGLABLE; $i < $numchks; $i++) {
$c = $chk[$i]; # convenience copy
$p =~ s/^\tsw\t\$fp,\d+\(\$sp\)\n//;
$p =~ s/^\tsw\t\$28,\d+\(\$sp\)\n//;
$p =~ s/__FRAME__/$FRAME/;
+ } elsif ($TargetPlatform =~ /^powerpc-/) {
+ $p =~ s/^\tmflr 0\n//;
+ $p =~ s/^\tstm \d+,-\d+\(1\)\n//;
+ $p =~ s/^\tst 0,\d+\(1\)\n//;
+ $p =~ s/^\tstu 1,-\d+\(1\)\n//;
} else {
print STDERR "$Pgm: unknown prologue mangling? $TargetPlatform\n";
}
$e =~ s/^\tlw\t\$fp,\d+\(\$sp\)\n//;
$e =~ s/^\taddu\t\$sp,\$sp,\d+\n//;
$e =~ s/^\tj\t\$31\n//;
+ } elsif ($TargetPlatform =~ /^powerpc-/) {
+ $e =~ s/^\cal 1,\d+\(1\)\n//;
+ $e =~ s/^\tl \d+,\d+\(1\)\n//;
+ $e =~ s/^\tmtlr 0\n//;
+ $e =~ s/^\tbr\n//;
} else {
print STDERR "$Pgm: unknown epilogue mangling? $TargetPlatform\n";
}
if ( $chkcat[$i] eq 'misc' ) {
if ($chk[$i] ne '') {
print OUTASM $T_HDR_misc;
- &print_doctored($chk[$i], 0);
+ if ($TargetPlatform =~ /^powerpc-/) {
+ $chksymb[$i] =~ s/://;
+ if ($chksymb[$i] =~ /ret.*upd/ || $KNOWN_FUNNY_THING{$chksymb[$i]}
+ || $chksymb[$i] =~ /^${T_US}_(PRIn|PRStart).*${T_POST_LBL}$/o )
+ { print OUTASM "\t\.globl $chksymb[$i]\n\t\.globl \.$chksymb[$i]\n";
+ } else { print OUTASM "\t\.lglobl \.$chksymb[$i]\n"; };
+ if ($chk[$i] =~ /TOC\[tc0\], 0\n/)
+ { ($p, $r) = split(/TOC\[tc0\], 0\n/, $chk[$i]); $printDS = 1;}
+ else { $r = $chk[$i]; $printDS = 0; };
+ $chk[$i] = &mangle_powerpc_tailjump($r);
+ };
+ &print_doctored($chk[$i], 0);
+ if ($TargetPlatform =~ /^powerpc-/ && $printDS) {
+ print OUTASM "\.csect ${chksymb[$i]}[DS]\n";
+ print OUTASM "${p}TOC[tc0], 0\n";
+ }
}
} elsif ( $chkcat[$i] eq 'toss' ) {
# teach it to drop through to the fast entry point:
$c = $chk[$slowchk{$symb}];
+ if ($TargetPlatform =~ /^powerpc-/) {
+ ($p, $r) = split(/TOC\[tc0\], 0\n/, $c);
+ if ($symb =~ /^[_A-Z]/)
+ {
+ print OUTASM "\t\.globl ${chksymb[$i]}_entry\n";
+ print OUTASM "\t\.globl \.${chksymb[$i]}_entry\n";
+ print OUTASM "\.csect ${symb}_entry[DS]\n";
+ print OUTASM "${p}TOC[tc0], 0\n";
+ }
+ else { print OUTASM "\t\.lglobl \.${symb}_entry\n"; };
+ $c = &mangle_powerpc_tailjump($r);
+ };
+
if ( defined($fastchk{$symb}) ) {
if ( $TargetPlatform =~ /^alpha-/ ) {
$c =~ s/^\tjmp \$31,\(\$27\),0\n\t\.align 4\n\t\.end/\t.align 4\n\t.end/;
} elsif ( $TargetPlatform =~ /^m68k-/ ) {
$c =~ s/^\tjmp ${T_US}${symb}_fast\d+.*\n\tnop\n//;
$c =~ s/^\tjmp ${T_US}${symb}_fast\d+.*\n//;
+ } elsif ( $TargetPlatform =~ /^powerpc-/ ) {
+ $c =~ s/^\tb \.${T_US}${symb}_fast\d+\n//;
} elsif ( $TargetPlatform =~ /^sparc-/ ) {
$c =~ s/^\tcall ${T_US}${symb}_fast\d+,.*\n\tnop\n//;
$c =~ s/^\tcall ${T_US}${symb}_fast\d+,.*\n(\t[a-z].*\n)/$1/;
# FAST ENTRY POINT
if ( defined($fastchk{$symb}) ) {
+ $c = $chk[$fastchk{$symb}];
if ( ! defined($slowchk{$symb})
# ToDo: the || clause can go once we're no longer
# concerned about producing exactly the same output as before
) {
print OUTASM $T_HDR_fast;
}
- &print_doctored($chk[$fastchk{$symb}], 0);
+ if ($TargetPlatform =~ /^powerpc-/) {
+ local(@lbls) = split(/:/, $c);
+ $fullname = $lbls[0];
+ $fullname =~ s/$T_MOVE_DIRVS//g;
+ if ( $fullname =~ /^[A-Z]/)
+ { print OUTASM "\t\.globl \.${fullname}\n";
+ } else {
+ print OUTASM "\t\.lglobl \.${fullname}\n";
+ };
+ $c =~ s/((.*\n)*)\t.long \S+, TOC\[tc0\], 0\n\.csect \.text\[PR\]\n((.*\n)*)/\1\3/;
+ $c = &mangle_powerpc_tailjump($c);
+ };
+ &print_doctored($c, 0);
$chkcat[$fastchk{$symb}] = 'DONE ALREADY';
}
# VECTOR TABLE
if ( defined($vectorchk{$symb}) ) {
print OUTASM $T_HDR_vector;
- print OUTASM &rev_tbl($symb, $chk[$vectorchk{$symb}], 0);
+ if ($TargetPlatform =~ /^powerpc-/) {
+ if ( $symb =~ /^[A-Z]/) {
+ print OUTASM "\t\.globl \.vtbl_${symb}\n";
+ print OUTASM "\t\.globl vtbl_${symb}\n";
+ };
+ $chk[$vectorchk{$symb}] =~ s/\.long (\S+)/\.long \.\1/g;
+ print OUTASM ".vtbl_${symb}:\n";
+ print OUTASM $chk[$vectorchk{$symb}];
+ } else {
+ print OUTASM &rev_tbl($symb, $chk[$vectorchk{$symb}], 0);
+ }
# direct return code will be put here!
$chkcat[$vectorchk{$symb}] = 'DONE ALREADY';
}
# DIRECT RETURN
if ( defined($directchk{$symb}) ) {
print OUTASM $T_HDR_direct;
- &print_doctored($chk[$directchk{$symb}], 0);
+ if ($TargetPlatform =~ /^powerpc-/) {
+ ($p, $r) = split(/TOC\[tc0\], 0\n/, $chk[$directchk{$symb}]);
+ &print_doctored($r, 0);
+ print OUTASM "\.csect ${symb}DirectReturn[DS]\n";
+ print OUTASM "${p}TOC[tc0], 0\n";
+ } else {
+ &print_doctored($chk[$directchk{$symb}], 0);
+ }
$chkcat[$directchk{$symb}] = 'DONE ALREADY';
} elsif ( $TargetPlatform =~ /^alpha-/ ) {
print OUTASM "\t# nop\n";
}
+ } elsif ( $chkcat[$i] eq 'toc' ) {
+ if ($chk[$i] ne '') {
+ print OUTASM $T_HDR_literal;
+ print OUTASM $chk[$i];
+ }
+
} else {
&tidy_up_and_die(1,"$Pgm: unknown chkcat (ghc-asm: $TargetPlatform)\n$chkcat[$i]\n$chk[$i]\n");
}
print OUTASM $EXTERN_DECLS if $TargetPlatform =~ /^mips-/;
- print OUTASM ".csect .text[PR]\n_section_.text:\n.csect .data[RW]\n\t.long _section_.text\n"
- if $TargetPlatform =~ /^powerpc-/;
+ if ($TargetPlatform =~ /^powerpc-/) {
+ print OUTASM ".csect .text[PR]\n_section_.text:\n.csect .data[RW]\n\t.long _section_.text\n"
+ };
+
+# print OUTASM ".csect .text[PR]\n_section_.text:\n.csect .data[RW]\n\t.long _section_.text\n"
+# if $TargetPlatform =~ /^powerpc-/;
# finished
close(OUTASM) || &tidy_up_and_die(1,"Failed writing to $out_asmf\n");
local(@words) = ();
local($after) = '';
local(@lines) = split(/\n/, $tbl);
- local($i, $extra, $words_to_pad, $j);
+ local($i, $j); #local ($i, $extra, $words_to_pad, $j);
# see comment in mangleAsm as to why this silliness is needed.
local($TDOTWORD) = ${T_DOT_WORD};
close(INASM) || &tidy_up_and_die(1,"Failed reading from $in_asmf\n");
}
+\end{code}
+
+\begin{code}
+sub mini_mangle_asm_powerpc {
+ local($in_asmf, $out_asmf) = @_;
+
+ open(INASM, "< $in_asmf")
+ || &tidy_up_and_die(1,"$Pgm: failed to open `$in_asmf' (to read)\n");
+ open(OUTASM,"> $out_asmf")
+ || &tidy_up_and_die(1,"$Pgm: failed to open `$out_asmf' (to write)\n");
+
+ while (<INASM>) {
+ s/long _PRStart/long ._PRStart/;
+ s/long _PRIn_/long ._PRIn_/;
+ s/long _Dummy_(\S+)_entry/long ._Dummy_\1_entry/;
+ s/long _PRMarking_MarkNextRoot\[DS\]/long ._PRMarking_MarkNextRoot/;
+ s/long _PRMarking_MarkNextCAF\[DS\]/long ._PRMarking_MarkNextCAF/;
+ s/long _PRMarking_MarkNextAStack\[DS\]/long ._PRMarking_MarkNextAStack/;
+ s/long _PRMarking_MarkNextBStack\[DS\]/long ._PRMarking_MarkNextBStack/;
+ print OUTASM;
+ }
+
+ # finished:
+ close(OUTASM) || &tidy_up_and_die(1,"Failed writing to $out_asmf\n");
+ close(INASM) || &tidy_up_and_die(1,"Failed reading from $in_asmf\n");
+}
+
+sub mangle_powerpc_tailjump {
+ local($c) = @_;
+ local($maybe_more) = 1;
+ while (($c =~ /\tl \d+,LC\.\.\d+\(2\)\n\tmtctr \d+\n\tbctr\n/) && $maybe_more)
+ { $maybe_more = 0;
+ $lcsymb = $c;
+ $lcsymb =~ s/(.*\n)*\tl \d+,LC\.\.(\d+)\(2\)\n\tmtctr \d+\n\tbctr\n(.*\n)*/\2/;
+# the checks for r1 and r2 are mostly paranoia...
+ $r1 = $c;
+ $r1 =~ s/(.*\n)*\tl (\d+),LC\.\.\d+\(2\)\n\tmtctr \d+\n\tbctr\n(.*\n)*/\2/;
+ $r2 = $c;
+ $r2 =~ s/(.*\n)*\tl \d+,LC\.\.(\d+)\(2\)\n\tmtctr (\d+)\n\tbctr\n(.*\n)*/\3/;
+ if (r1 eq r2)
+ { $maybe_more = 1;
+ $c =~ s/((.*\n)*)\tl \d+,LC\.\.\d+\(2\)\n\tmtctr \d+\n\tbctr\n((.*\n)*)/\1\tb $tocequiv{$lcsymb}\n\3/;
+ }
+ };
+ $c;
+}
+
# make "require"r happy...
1;
\end{code}
projects / ghc-hetmet.git / commitdiff