X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=ghc%2Fdriver%2Fghc-asm.lprl;h=b52dd72b5a79fb76d5ee71a037d798bffb882fe0;hb=d08b0747c9573fd2c3bd05c82430b02bf0bcfc5f;hp=caea5eac251060dddf00801163546311a8123437;hpb=a67d3c23cebb1c82e3a4f50cf5c55167113eec34;p=ghc-hetmet.git diff --git a/ghc/driver/ghc-asm.lprl b/ghc/driver/ghc-asm.lprl index caea5ea..b52dd72 100644 --- a/ghc/driver/ghc-asm.lprl +++ b/ghc/driver/ghc-asm.lprl @@ -104,7 +104,8 @@ sub init_TARGET_STUFF { $T_HDR_direct = "\t.SPACE \$TEXT\$\n\t.SUBSPA \$CODE\$\n\t\.align 4\n"; #--------------------------------------------------------# - } elsif ( $TargetPlatform =~ /^i386-.*-(linuxaout|freebsd|cygwin32)/ ) { + } elsif ( $TargetPlatform =~ /^i386-.*-(linuxaout|freebsd|nextstep3|cygwin32)/ ) { + # NeXT added but not tested. CaS $T_STABBY = 1; # 1 iff .stab things (usually if a.out format) $T_US = '_'; # _ if symbols have an underscore on the front @@ -119,7 +120,6 @@ sub init_TARGET_STUFF { $T_MOVE_DIRVS = '^(\s*(\.align\s+\d+(,0x90)?|\.globl\s+\S+|\.text|\.data|\.stab[^n].*|\.type\s+.*|\.size\s+.*)\n)'; $T_COPY_DIRVS = '\.(globl|stab)'; $T_hsc_cc_PAT = '\.ascii.*\)(hsc|cc) (.*)\\\\11"\n\t\.ascii\s+"(.*)\\\\0"'; - $T_hsc_cc_PAT = '\.ascii.*\)(hsc|cc) (.*)\\11"\n\t\.ascii\s+"(.*)\\0"' if ($TargetPlatform =~ /^.*-cygwin32/ ); $T_DOT_WORD = '\.long'; $T_DOT_GLOBAL = '\.globl'; $T_HDR_literal = "\.text\n\t\.align 2\n"; @@ -225,25 +225,39 @@ sub init_TARGET_STUFF { $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 ( $TargetPlatform =~ /^sparc-.*-solaris2/ ) { @@ -349,9 +363,20 @@ sub mangle_asm { # multi-line regexp matching: local($*) = 1; local($i, $c); + + &init_TARGET_STUFF(); &init_FUNNY_THINGS(); + # perl4 on alphas SEGVs when give ${foo} substitutions in patterns. + # To avoid them we declare some locals that allows to avoid using curlies. + local($TUS) = ${T_US}; + local($TPOSTLBL) = ${T_POST_LBL}; + local($TMOVEDIRVS) = ${T_MOVE_DIRVS}; + local($TPREAPP) = ${T_PRE_APP}; + local($TCOPYDIRVS) = ${T_COPY_DIRVS}; + local($TDOTWORD) = ${T_DOT_WORD}; + open(INASM, "< $in_asmf") || &tidy_up_and_die(1,"$Pgm: failed to open `$in_asmf' (to read)\n"); open(OUTASM,"> $out_asmf") @@ -375,10 +400,9 @@ sub mangle_asm { $i = 0; $chkcat[0] = 'misc'; $chk[0] = ''; while () { - next if $T_STABBY && /^\.stab.*${T_US}__stg_split_marker/o; + next if $T_STABBY && /^\.stab.*$TUS[@]?__stg_split_marker/o; next if $T_STABBY && /^\.stab.*ghc.*c_ID/; - next if /${T_PRE_APP}(NO_)?APP/o; - + next if /$TPREAPP(NO_)?APP/o; next if /^;/ && $TargetPlatform =~ /^hppa/; next if /(^$|^\t\.file\t|^ # )/ && $TargetPlatform =~ /^(mips|powerpc)-/; @@ -409,12 +433,12 @@ sub mangle_asm { $chkcat[$i] = 'literal'; $chksymb[$i] = $1; - } elsif ( /^${T_US}__stg_split_marker(\d+)${T_POST_LBL}$/o ) { + } elsif ( /^$TUS[@]?__stg_split_marker(\d+)$TPOSTLBL[@]?$/o ) { $chk[++$i] = $_; $chkcat[$i] = 'splitmarker'; $chksymb[$i] = $1; - } elsif ( /^${T_US}([A-Za-z0-9_]+)_info${T_POST_LBL}$/o ) { + } elsif ( /^$TUS[@]?([A-Za-z0-9_]+)_info$TPOSTLBL[@]?$/o ) { $symb = $1; $chk[++$i] = $_; $chkcat[$i] = 'infotbl'; @@ -424,40 +448,40 @@ sub mangle_asm { $infochk{$symb} = $i; - } elsif ( /^${T_US}([A-Za-z0-9_]+)_entry${T_POST_LBL}$/o ) { + } elsif ( /^$TUS[@]?([A-Za-z0-9_]+)_entry$TPOSTLBL[@]?$/o ) { $chk[++$i] = $_; $chkcat[$i] = 'slow'; $chksymb[$i] = $1; $slowchk{$1} = $i; - } elsif ( /^${T_US}([A-Za-z0-9_]+)_fast\d+${T_POST_LBL}$/o ) { + } elsif ( /^$TUS[@]?([A-Za-z0-9_]+)_fast\d+$TPOSTLBL[@]?$/o ) { $chk[++$i] = $_; $chkcat[$i] = 'fast'; $chksymb[$i] = $1; $fastchk{$1} = $i; - } elsif ( /^${T_US}([A-Za-z0-9_]+)_closure${T_POST_LBL}$/o ) { + } elsif ( /^$TUS[@]?([A-Za-z0-9_]+)_closure$TPOSTLBL[@]?$/o ) { $chk[++$i] = $_; $chkcat[$i] = 'closure'; $chksymb[$i] = $1; $closurechk{$1} = $i; - } elsif ( /^${T_US}ghc.*c_ID${T_POST_LBL}/o ) { + } elsif ( /^$TUS[@]?ghc.*c_ID$TPOSTLBL/o ) { $chk[++$i] = $_; $chkcat[$i] = 'consist'; - } elsif ( /^(${T_US}__gnu_compiled_c|gcc2_compiled\.)${T_POST_LBL}/o ) { + } elsif ( /^($TUS[@]?__gnu_compiled_c|gcc2_compiled\.)$TPOSTLBL/o ) { ; # toss it - } elsif ( /^${T_US}ErrorIO_call_count${T_POST_LBL}$/o # HACK!!!! - || /^${T_US}[A-Za-z0-9_]+\.\d+${T_POST_LBL}$/o - || /^${T_US}.*_CAT${T_POST_LBL}$/o # PROF: _entryname_CAT - || /^${T_US}CC_.*_struct${T_POST_LBL}$/o # PROF: _CC_ccident_struct - || /^${T_US}.*_done${T_POST_LBL}$/o # PROF: _module_done - || /^${T_US}_module_registered${T_POST_LBL}$/o # PROF: _module_registered + } elsif ( /^$TUS[@]?ErrorIO_call_count$TPOSTLBL[@]?$/o # HACK!!!! + || /^$TUS[A-Za-z0-9_]+\.\d+$TPOSTLBL[@]?$/o + || /^$TUS[@]?.*_CAT$TPOSTLBL[@]?$/o # PROF: _entryname_CAT + || /^$TUS[@]?CC_.*_struct$TPOSTLBL[@]?$/o # PROF: _CC_ccident_struct + || /^$TUS[@]?.*_done$TPOSTLBL[@]?$/o # PROF: _module_done + || /^$TUS[@]?_module_registered$TPOSTLBL[@]?$/o # PROF: _module_registered ) { $chk[++$i] = $_; $chkcat[$i] = 'data'; @@ -466,31 +490,45 @@ sub mangle_asm { } 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] = $1; - } elsif ( /^${T_US}(ret_|djn_)/o ) { + } 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 ( /^${T_US}vtbl_([A-Za-z0-9_]+)${T_POST_LBL}$/o ) { + } elsif ( /^$TUS[@]?vtbl_([A-Za-z0-9_]+)$TPOSTLBL[@]?$/o ) { $chk[++$i] = $_; $chkcat[$i] = 'vector'; $chksymb[$i] = $1; $vectorchk{$1} = $i; - } elsif ( /^${T_US}([A-Za-z0-9_]+)DirectReturn${T_POST_LBL}$/o ) { + } elsif ( /^$TUS[@]?([A-Za-z0-9_]+)DirectReturn$TPOSTLBL[@]?$/o ) { $chk[++$i] = $_; $chkcat[$i] = 'direct'; $chksymb[$i] = $1; $directchk{$1} = $i; - } elsif ( /^${T_US}[A-Za-z0-9_]+_upd${T_POST_LBL}$/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):/ ) { @@ -507,7 +545,7 @@ sub mangle_asm { $chkcat[$i] = 'toss'; $chksymb[$i] = $1; - } elsif ( /^${T_US}[A-Za-z0-9_]/o + } elsif ( /^$TUS[@]?[A-Za-z0-9_]/o && ( $TargetPlatform !~ /^hppa/ # need to avoid local labels in this case || ! /^L\$\d+$/ ) && ( $TargetPlatform !~ /^powerpc/ # ditto @@ -516,12 +554,14 @@ sub mangle_asm { chop($thing = $_); print STDERR "Funny global thing?: $_" unless $KNOWN_FUNNY_THING{$thing} - || /^${T_US}_(PRIn|PRStart).*${T_POST_LBL}$/o # pointer reversal GC routines - || /^${T_US}CC_.*${T_POST_LBL}$/o # PROF: _CC_ccident - || /^${T_US}_reg.*${T_POST_LBL}$/o; # PROF: __reg + || /^$TUS[@]?_(PRIn|PRStart).*$TPOSTLBL[@]?$/o # pointer reversal GC routines + || /^$TUS[@]?CC_.*$TPOSTLBL$/o # PROF: _CC_ccident ([@]? is a silly hack (see above)) + || /^$TUS[@]?_reg.*$TPOSTLBL$/o; # PROF: __reg $chk[++$i] = $_; $chkcat[$i] = 'misc'; - $chksymb[$i] = ''; + if ($TargetPlatform =~ /^powerpc-/) + { $chksymb[$i] = $thing; } + else { $chksymb[$i] = ''; }; } else { # simple line (duplicated at the top) @@ -538,7 +578,7 @@ sub mangle_asm { # 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: $FIRST_MANGLABLE\n"; @@ -550,6 +590,57 @@ sub mangle_asm { # HPPAs, MIPSen: also start medding at chunk 1 +# AIX hack for the moment, to join up multiple identical tocs + if ($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 @@ -571,6 +662,11 @@ sub mangle_asm { $p =~ s/^\tmovl \$\d+,\%eax\n\tcall __alloca\n// if ($TargetPlatform =~ /^.*-cygwin32/); } elsif ($TargetPlatform =~ /^m68k-/) { $p =~ s/^\tlink a6,#-?\d.*\n//; + $p =~ s/^\tpea a6@\n\tmovel sp,a6\n//; + # The above showed up in the asm code, + # so I added it here. + # I hope it's correct. + # CaS $p =~ s/^\tmovel d2,sp\@-\n//; $p =~ s/^\tmovel d5,sp\@-\n//; # SMmark.* only? $p =~ s/^\tmoveml \#0x[0-9a-f]+,sp\@-\n//; # SMmark.* only? @@ -587,6 +683,11 @@ sub mangle_asm { $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"; } @@ -621,6 +722,11 @@ sub mangle_asm { $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"; } @@ -645,7 +751,7 @@ sub mangle_asm { # On Alphas, the prologue mangling is done a little later (below) # toss all calls to __DISCARD__ - $c =~ s/^\t(call|jbsr|jal)\s+${T_US}__DISCARD__\n//go; + $c =~ s/^\t(call|jbsr|jal)\s+$TUS[@]?__DISCARD__\n//go; # MIPS: that may leave some gratuitous asm macros around # (no harm done; but we get rid of them to be tidier) @@ -668,16 +774,18 @@ sub mangle_asm { # pin a funny end-thing on (for easier matching): $c .= 'FUNNY#END#THING'; - while ( $c =~ /${T_MOVE_DIRVS}FUNNY#END#THING/o ) { + while ( $c =~ /$TMOVEDIRVS[@]?FUNNY#END#THING/o ) { # [@]? is a silly hack to avoid having to use curlies for T_PRE_APP + # (this SEGVs perl4 on alphas, you see) + $to_move = $1; if ( $i < ($numchks - 1) - && ( $to_move =~ /${T_COPY_DIRVS}/ + && ( $to_move =~ /$TCOPYDIRVS/ || ($TargetPlatform =~ /^hppa/ && $to_move =~ /align/ && $chkcat[$i+1] eq 'literal') )) { $chk[$i + 1] = $to_move . $chk[$i + 1]; # otherwise they're tossed } - $c =~ s/${T_MOVE_DIRVS}FUNNY#END#THING/FUNNY#END#THING/o; + $c =~ s/$TMOVEDIRVS[@]?FUNNY#END#THING/FUNNY#END#THING/o; # [@]? is a hack (see above) } if ( $TargetPlatform =~ /^alpha-/ && $c =~ /^\t\.ent\s+(\S+)/ ) { @@ -761,7 +869,22 @@ sub mangle_asm { 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' ) { @@ -817,7 +940,7 @@ sub mangle_asm { # entry code will be put here! # paranoia - if ( $chk[$infochk{$symb}] =~ /${T_DOT_WORD}\s+([A-Za-z0-9_]+_entry)$/o + if ( $chk[$infochk{$symb}] =~ /$TDOTWORD[@]?\s+([A-Za-z0-9_]+_entry)$/o && $1 ne "${T_US}${symb}_entry" ) { print STDERR "!!! entry point???\n",$chk[$infochk{$symb}]; } @@ -831,6 +954,19 @@ sub mangle_asm { # 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/; @@ -844,6 +980,8 @@ sub mangle_asm { } 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)/$1/; @@ -857,7 +995,7 @@ sub mangle_asm { # references to fast-entry point. # (questionable re hppa and mips...) print STDERR "still has jump to fast entry point:\n$c" - if $c =~ /${T_US}${symb}_fast/; # NB: paranoia + if $c =~ /$TUS[@]?$symb[@]?_fast/; # NB: paranoia } print OUTASM $T_HDR_entry; @@ -869,6 +1007,7 @@ sub mangle_asm { # FAST ENTRY POINT if ( defined($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 @@ -876,7 +1015,19 @@ sub mangle_asm { ) { 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{$symb}] = 'DONE ALREADY'; } @@ -887,7 +1038,17 @@ sub mangle_asm { # VECTOR TABLE if ( defined($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{$symb}] = 'DONE ALREADY'; } @@ -895,7 +1056,14 @@ sub mangle_asm { # DIRECT RETURN if ( defined($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-/ ) { @@ -908,6 +1076,12 @@ sub mangle_asm { 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"); } @@ -915,8 +1089,12 @@ sub mangle_asm { 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 $out_asmf\n"); @@ -1218,19 +1396,25 @@ sub rev_tbl { local(@words) = (); local($after) = ''; local(@lines) = split(/\n/, $tbl); - local($i, $extra, $words_to_pad, $j); - - for ($i = 0; $i <= $#lines && $lines[$i] !~ /^\t${T_DOT_WORD}\s+/o; $i++) { + local($i, $j); #local ($i, $extra, $words_to_pad, $j); + + # see comment in mangleAsm as to why this silliness is needed. + local($TDOTWORD) = ${T_DOT_WORD}; + local($TDOTGLOBAL) = ${T_DOT_GLOBAL}; + local($TUS) = ${T_US}; + local($TPOSTLBL) = ${T_POST_LBL}; + + for ($i = 0; $i <= $#lines && $lines[$i] !~ /^\t$TDOTWORD\s+/o; $i++) { $label .= $lines[$i] . "\n", - next if $lines[$i] =~ /^[A-Za-z0-9_]+_info${T_POST_LBL}$/o - || $lines[$i] =~ /${T_DOT_GLOBAL}/o - || $lines[$i] =~ /^${T_US}vtbl_\S+${T_POST_LBL}$/o; + next if $lines[$i] =~ /^[A-Za-z0-9_]+_info$TPOSTLBL[@]?$/o + || $lines[$i] =~ /$TDOTGLOBAL/o + || $lines[$i] =~ /^$TUS[@]?vtbl_\S+$TPOSTLBL[@]?$/o; $before .= $lines[$i] . "\n"; # otherwise... } if ( $TargetPlatform !~ /^hppa/ ) { - for ( ; $i <= $#lines && $lines[$i] =~ /^\t${T_DOT_WORD}\s+/o; $i++) { + for ( ; $i <= $#lines && $lines[$i] =~ /^\t$TDOTWORD\s+/o; $i++) { push(@words, $lines[$i]); } } else { # hppa weirdness @@ -1288,6 +1472,10 @@ sub mini_mangle_asm_i386 { &init_TARGET_STUFF(); + # see mangleAsm comment + local($TUS) = ${T_US}; + local($TPOSTLBL)=${T_POST_LBL}; + open(INASM, "< $in_asmf") || &tidy_up_and_die(1,"$Pgm: failed to open `$in_asmf' (to read)\n"); open(OUTASM,"> $out_asmf") @@ -1297,7 +1485,7 @@ sub mini_mangle_asm_i386 { print OUTASM; next unless - /^${T_US}(PerformGC|StackOverflow|Yield|PerformReschedule)_wrapper${T_POST_LBL}\n/o; + /^$TUS[@]?(PerformGC|StackOverflow|Yield|PerformReschedule)_wrapper$TPOSTLBL\n/o; print OUTASM "\tmovl \%esp, ${T_US}__temp_esp\n"; print OUTASM "\tmovl \%eax, ${T_US}__temp_eax\n"; } @@ -1334,6 +1522,53 @@ sub mini_mangle_asm_hppa { 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 () { + 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}