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Commit 54077fbc authored by sof's avatar sof
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[project @ 2000-06-13 15:35:29 by sof] 

HPUX fix to allow non-empty consistency chunks pass through OK
parent cc962601
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ghc/driver/mangler/ghc-asm.lprl
+ 353
− 71
View file @ 54077fbc
......@@ -89,7 +89,7 @@ sub init_TARGET_STUFF {
$T_MOVE_DIRVS = '^((\s+\.(IMPORT|EXPORT|PARAM).*|\s+\.align\s+\d+|\s+\.(SPACE|SUBSPA)\s+\S+|\s*)\n)';
$T_COPY_DIRVS = '^\s+\.(IMPORT|EXPORT)';
$T_hsc_cc_PAT = '\.STRING.*\)(hsc|cc) (.*)\\\\x09(.*)\\\\x00';
$T_hsc_cc_PAT = '\.STRING.*\)(hsc|cc) (.*)\\\\x09(.*)\\\\x00"';
$T_DOT_WORD = '\.word';
$T_DOT_GLOBAL = '^\s+\.EXPORT';
$T_HDR_literal = "\t.SPACE \$TEXT\$\n\t.SUBSPA \$LIT\$\n";
......@@ -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";
......@@ -219,31 +219,32 @@ sub init_TARGET_STUFF {
$T_HDR_direct = "\t\.text\n\t\.align 2\n";
#--------------------------------------------------------#
} elsif ( $TargetPlatform =~ /^powerpc-.*/ ) {
} elsif ( $TargetPlatform =~ /^powerpc-.*|^rs6000-.*/ ) {
$T_STABBY = 0; # 1 iff .stab things (usually if a.out format)
$T_US = ''; # _ if symbols have an underscore on the front
$T_DO_GC = 'PerformGC_wrapper';
$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_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_COPY_DIRVS = '\.(l?globl)';
$T_hsc_cc_PAT = '\.string.*\)(hsc|cc) (.*)\\\\t(.*)"';
$T_hsc_cc_PAT = '\.byte.*\)(hsc|cc) (.*)"\n\t\.byte \d+\n\t\.byte "(.*)"\n\t\.byte \d+';
$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 = "\.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\.csect \.text[PR]\n\t\.align 2\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";
#--------------------------------------------------------#
} elsif ( $TargetPlatform =~ /^sparc-.*-solaris2/ ) {
......@@ -349,9 +350,20 @@ sub mangle_asm {
# multi-line regexp matching:
local($*) = 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")
......@@ -375,15 +387,14 @@ sub mangle_asm {
$i = 0; $chkcat[0] = 'misc'; $chk[0] = '';
while (<INASM>) {
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|^ # )/ && $TargetPlatform =~ /^(mips|powerpc)-/;
next if /(^$|^\t\.file\t|^ # )/ && $TargetPlatform =~ /^(mips|powerpc|rs6000)-/;
last if /^_section_\.text:$/ && $TargetPlatform =~ /^powerpc-/;
last if /^_section_\.text:$/ && $TargetPlatform =~ /^powerpc-|^rs6000-/;
if ( $TargetPlatform =~ /^mips-/
&& /^\t\.(globl \S+ \.text|comm\t)/ ) {
......@@ -409,12 +420,12 @@ 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 +435,40 @@ 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 +477,47 @@ sub mangle_asm {
} elsif ( /^([A-Za-z0-9_]+)\s+\.comm/ && $TargetPlatform =~ /^hppa/ ) {
$chk[++$i] = $_;
$chkcat[$i] = 'bss';
$chksymb[$i] = $1;
$chksymb[$i] = '';
} elsif ( $TargetPlatform =~ /^powerpc-|^rs6000-/ && /^LC\.\.([0-9]+)/ ) {
$chk[++$i] = $_;
$chkcat[$i] = 'toc';
$chksymb[$i] = $1;
} elsif ( $TargetPlatform =~ /^powerpc-|^rs6000-/ && /^CC_.*$/ ) {
# all CC_ symbols go in the data section...
$chk[++$i] = $_;
$chkcat[$i] = 'data';
$chksymb[$i] = '';
} elsif ( /^${T_US}(ret_|djn_)/o ) {
} elsif ( /^($TUS[@]?(ret_|djn_)[A-Za-z0-9_]+)/o ) {
$chk[++$i] = $_;
$chkcat[$i] = 'misc';
$chksymb[$i] = '';
$symbtmp = $1;
$chksymb[$i] = $symbtmp if ($TargetPlatform =~ /^powerpc-|^rs6000-/) ; #rm andre
} 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] = '';
print STDERR "_upd!!!!! I guess this code is dead!!!!\n";
# I guess this is never entered, since all _upds are
# either vtbl_'s or ret_'s, caught above. - andre
$chksymb[$i] = '';
} elsif ( $TargetPlatform =~ /^i386-.*-solaris2/
&& /^(_uname|uname|stat|fstat):/ ) {
......@@ -507,21 +534,23 @@ 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
&& ( $TargetPlatform !~ /^powerpc|^rs6000/ # ditto
|| ! /^(L\.\.\d+|LT\.\..*):$/ ) ) {
local($thing);
chop($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}$/o; # PROF: __reg<module>
|| /^$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<module>
$chk[++$i] = $_;
$chkcat[$i] = 'misc';
$chksymb[$i] = '';
if ($TargetPlatform =~ /^powerpc-|^rs6000-/)
{ $chksymb[$i] = $thing; }
else { $chksymb[$i] = ''; };
} else { # simple line (duplicated at the top)
......@@ -550,6 +579,48 @@ sub mangle_asm {
# HPPAs, MIPSen: also start medding at chunk 1
if ($TargetPlatform =~ /^powerpc|^rs6000/) {
print OUTASM $T_HDR_toc; # yes, we have to put a .toc
# in the beginning of every file!
%tocequiv = (); # maps toc symbol number to toc symbol
%revtocequiv = (); # maps toc symbol to toc symbol number
for ($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/ )
#ToDo: instead of all these changes, just fix mangle_powerpc_tailjump and delete/ignore these tocs?
{ $chk[$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 _regMain\[TC\],_regMain/\.tc _regMain\[TC\],\._regMain/; #PROF
$chk[$i] =~ s/\.tc resumeThread\[TC\],resumeThread/\.tc resumeThread\[TC\],\.resumeThread/; #CONC
$chk[$i] =~ s/\.tc EnterNodeCode\[TC\],EnterNodeCode/\.tc EnterNodeCode\[TC\],\.EnterNodeCode/; #CONC
$chk[$i] =~ s/\.tc StackUnderflowEnterNode\[TC\],StackUnderflowEnterNode/\.tc StackUnderflowEnterNode\[TC\],\.StackUnderflowEnterNode/; #CONC
$chk[$i] =~ s/\.tc stopThreadDirectReturn\[TC\],stopThreadDirectReturn/\.tc stopThreadDirectReturn\[TC\],\.stopThreadDirectReturn/; #CONC
$chk[$i] =~ s/\.tc CommonUnderflow\[TC\],CommonUnderflow/\.tc CommonUnderflow\[TC\],\.CommonUnderflow/; #PAR
$chk[$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;
} elsif ( $chkcat[$i] eq 'toc' && $chk[$i] =~ /\.byte/ ) {
$chkcat[$i] = 'literal';
}
}
};
for ($i = $FIRST_MANGLABLE; $i < $numchks; $i++) {
$c = $chk[$i]; # convenience copy
......@@ -571,6 +642,11 @@ 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 +663,15 @@ 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-|^rs6000/) {
$p =~ s/^\tmflr 0\n//;
$p =~ s/^\tstm \d+,-\d+\(1\)\n//;
$p =~ s/^\tstw? 0,\d+\(1\)\n//g;
$p =~ s/^\tstw? 1,\d+\(1\)\n//g; #mc
$p =~ s/^\tlw?z 0,0\(1\)\n//g; #mc
$p =~ s/^\tstw?u 1,-\d+\(1\)\n//;
$p =~ s/^\tstw? \d+,-\d+\(1\)\n//g;
$p =~ s/^\tstfd \d+,-\d+\(1\)\n//g;
} else {
print STDERR "$Pgm: unknown prologue mangling? $TargetPlatform\n";
}
......@@ -621,6 +706,12 @@ 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-|^rs6000-/) {
$e =~ s/^\taddi 1,1,\d+\n//;
$e =~ s/^\tcal 1,\d+\(1\)\n//;
$e =~ s/^\tlw?z? \d+,\d+\(1\)\n//;
$e =~ s/^\tmtlr 0\n//;
$e =~ s/^\tbl?r\n//;
} else {
print STDERR "$Pgm: unknown epilogue mangling? $TargetPlatform\n";
}
......@@ -645,7 +736,7 @@ 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 +759,18 @@ 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 +854,26 @@ 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-|^rs6000/) {
$chksymb[$i] =~ s/://;
#new if ($chksymb[$i] =~ /ret.*upd/ || $KNOWN_FUNNY_THING{$chksymb[$i]}
#new || $chksymb[$i] =~ /^$.{T_US}_(PRIn|PRStart).*${T_POST_LBL}$/o )
#new { print OUTASM "\t\.globl $chksymb[$i]\n"; }
# if ($chksymb[$i] ne '' && $chksymb[$i] !~ /ret_[a-z]/ && $chksymb[$i] !~ /djn_[a-z]/)
if ($chksymb[$i] ne '')
{ print OUTASM "\t\.globl \.$chksymb[$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-|^rs6000-/ && $printDS) {
#ok if ($chksymb[$i] !~ /\_regMain/) {
print OUTASM "\.csect ${chksymb[$i]}[DS]\n";
print OUTASM "${p}TOC[tc0], 0\n";
#ok }
}
}
} elsif ( $chkcat[$i] eq 'toss' ) {
......@@ -780,9 +892,28 @@ sub mangle_asm {
$consist =~ s/\//./g;
$consist =~ s/-/_/g;
$consist =~ s/[^A-Za-z0-9_.]/ZZ/g; # ToDo: properly?
#
# Using a cygnus-2.7-96q4 gcc build on hppas, the
# consistency chunk for ghc_cc_ID often (but not always!)
# gets lumped with a bunch of .IMPORT directives containing info on
# the code or data space nature of external symbols. We can't
# toss these, so once the consistency ID has been turned into
# a representable symbol, we substitute it for the symbol
# that the string was attached to in the first place (ghc_cc_ID.)
# (The original string is also substituted away.)
#
# This change may affect the code output on other platforms in
# adverse ways, hence we restrict this hack hppa targets only.
#
# -- 2/98 SOF
if ( $TargetPlatform =~ /^hppa/ ) {
$chk[$i] =~ s/^$TUS[@]?ghc.*c_ID$TPOSTLBL/$consist/o;
$chk[$i] =~ s/\t$T_hsc_cc_PAT/$T_HDR_misc/o;
$consist = $chk[$i]; #clumsily
}
print OUTASM $T_HDR_consist, "${consist}${T_POST_LBL}\n";
} elsif ( $TargetPlatform !~ /^(mips|powerpc)-/ ) { # we just don't try in those case (ToDo)
} elsif ( $TargetPlatform !~ /^(mips)-/ ) { # we just don't try in those case (ToDo)
# on mips: consistency string is just a v
# horrible bunch of .bytes,
# which I am too lazy to sort out (WDP 95/05)
......@@ -813,11 +944,25 @@ sub mangle_asm {
if ( defined($infochk{$symb}) ) {
print OUTASM $T_HDR_info;
if ($TargetPlatform =~ /^powerpc-|^rs6000-/) {
if ( !defined($slowchk{$symb}) && defined($fastchk{$symb}) ) {
$fastname = $chk[$fastchk{$symb}];
$fastname =~ s/([_A-Za-z]*_fast\d+):.*(.*\n)*/\1/;
$chk[$infochk{$symb}] =~ s/\.long StdErrorCode/\.long $fastname/;
}
$chk[$infochk{$symb}] =~ s/\.long ([_A-Za-z]\S+_entry)/\.long \.\1/;
$chk[$infochk{$symb}] =~ s/\.long ([A-Za-z]\S+_upd)/\.long \.\1/;
$chk[$infochk{$symb}] =~ s/\.long (IndUpdRet\S+)/\.long \.\1/;
$chk[$infochk{$symb}] =~ s/\.long StdErrorCode/\.long \.StdErrorCode/;
$chk[$infochk{$symb}] =~ s/\.long UpdErr/\.long \.UpdErr/;
print OUTASM $chk[$infochk{$symb}];
} else {
print OUTASM &rev_tbl($symb, $chk[$infochk{$symb}], 1);
}
# 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 +976,18 @@ sub mangle_asm {
# teach it to drop through to the fast entry point:
$c = $chk[$slowchk{$symb}];
if ($TargetPlatform =~ /^powerpc-|^rs6000-/) {
($p, $r) = split(/TOC\[tc0\], 0\n/, $c);
if ($symb =~ /^[_A-Z]/)
{
print OUTASM "\t\.globl \.${chksymb[$i]}_entry\n";
print OUTASM "\.csect ${symb}_entry[DS]\n";
print OUTASM "${p}TOC[tc0], 0\n";
};
$r =~ s/\.csect \.text\[PR\]\n//; # todo: properly - andre
$c = &mangle_powerpc_tailjump($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/;
......@@ -838,12 +995,15 @@ sub mangle_asm {
$c =~ s/^\s+ldil.*\n\s+ldo.*\n\s+bv.*\n(.*\n)?\s+\.EXIT/$1\t.EXIT/;
} elsif ( $TargetPlatform =~ /^i386-/ ) {
$c =~ s/^\tmovl \$${T_US}${symb}_fast\d+,\%edx\n\tjmp \*\%edx\n//;
$c =~ s/^\tmovl \$${T_US}${symb}_fast\d+,\%ecx\n\tjmp \*\%ecx\n//;
$c =~ s/^\tmovl \$${T_US}${symb}_fast\d+,\%eax\n\tjmp \*\%eax\n//;
} elsif ( $TargetPlatform =~ /^mips-/ ) {
$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-|^rs6000-/ ) {
$c =~ s/^\tb \.${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)/$1/;
......@@ -857,7 +1017,7 @@ sub mangle_asm {
# references to fast-entry point.
# (questionable re hppa and mips...)
print STDERR "still has jump to fast entry point:\n$c"
if $c =~ /${T_US}${symb}_fast/; # NB: paranoia
if $c =~ /$TUS[@]?$symb[@]?_fast/; # NB: paranoia
}
print OUTASM $T_HDR_entry;
......@@ -869,6 +1029,7 @@ sub mangle_asm {
# FAST ENTRY POINT
if ( defined($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 +1037,19 @@ sub mangle_asm {
) {
print OUTASM $T_HDR_fast;
}
&print_doctored($chk[$fastchk{$symb}], 0);
if ($TargetPlatform =~ /^powerpc-|^rs6000-/) {
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"; #todo: rm - andre
};
$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{$symb}] = 'DONE ALREADY';
}
......@@ -887,7 +1060,17 @@ sub mangle_asm {
# VECTOR TABLE
if ( defined($vectorchk{$symb}) ) {
print OUTASM $T_HDR_vector;
print OUTASM &rev_tbl($symb, $chk[$vectorchk{$symb}], 0);
if ($TargetPlatform =~ /^powerpc-|^rs6000-/) {
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{$symb}] = 'DONE ALREADY';
}
......@@ -895,7 +1078,14 @@ sub mangle_asm {
# DIRECT RETURN
if ( defined($directchk{$symb}) ) {
print OUTASM $T_HDR_direct;
&print_doctored($chk[$directchk{$symb}], 0);
if ($TargetPlatform =~ /^powerpc-|^rs6000-/) {
($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 +1098,20 @@ sub mangle_asm {
print OUTASM "\t# nop\n";
}
} elsif ( $chkcat[$i] eq 'toc' ) {
# silly optimisation to print tocs, since they come in groups...
print OUTASM $T_HDR_toc;
local($j) = $i;
while ($chkcat[$j] eq 'toc')
{ if ( $chk[$j] !~ /\.tc UpdatePAP\[TC\]/ # not needed: always turned into a jump.
)
{
print OUTASM $chk[$j];
}
$chkcat[$j] = 'DONE ALREADY';
$j++;
}
} else {
&tidy_up_and_die(1,"$Pgm: unknown chkcat (ghc-asm: $TargetPlatform)\n$chkcat[$i]\n$chk[$i]\n");
}
......@@ -915,8 +1119,9 @@ 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-|^rs6000-/) {
print OUTASM ".csect .text[PR]\n_section_.text:\n.csect .data[RW]\n\t.long _section_.text\n"
};
# finished
close(OUTASM) || &tidy_up_and_die(1,"Failed writing to $out_asmf\n");
......@@ -964,6 +1169,8 @@ sub print_doctored {
local($exit_patch) = '';
local($call_entry_patch)= '';
local($call_exit_patch) = '';
local($gc_call_entry_patch)= ''; # Patches before and after calls to Perform_GC_wrapper
local($gc_call_exit_patch) = '';
#OLD: # first, convert calls to *very magic form*: (ToDo: document
# for real!) from
......@@ -1053,16 +1260,26 @@ sub print_doctored {
# OK, now we can decide what our patch-up code is going to
# be:
# Note funky ".=" stuff; we're *adding* to these _patch guys
if ( $StolenX86Regs <= 2
&& ( /32\(\%ebx\)/ || /\%esi/ || /^\tcmps/ ) ) { # R1 (esi)
$entry_patch .= "\tmovl \%esi,32(\%ebx)\n";
$exit_patch .= "\tmovl 32(\%ebx),\%esi\n";
$gc_call_entry_patch .= "\tmovl \%esi,32(\%ebx)\n";
$gc_call_exit_patch .= "\tmovl 32(\%ebx),\%esi\n";
# nothing for call_{entry,exit} because %esi is callee-save
}
if ( $StolenX86Regs <= 3
&& ( /64\(\%ebx\)/ || /\%edi/ || /^\t(scas|cmps)/ ) ) { # SpA (edi)
$entry_patch .= "\tmovl \%edi,64(\%ebx)\n";
$exit_patch .= "\tmovl 64(\%ebx),\%edi\n";
$gc_call_entry_patch .= "\tmovl \%edi,64(\%ebx)\n";
$gc_call_exit_patch .= "\tmovl 64(\%ebx),\%edi\n";
# nothing for call_{entry,exit} because %edi is callee-save
}
#= if ( $StolenX86Regs <= 4
......@@ -1080,7 +1297,14 @@ sub print_doctored {
# next, here we go with non-%esp patching!
#
s/^(\t[a-z])/$entry_patch$1/; # before first instruction
s/^(\tcall .*\n(\taddl \$\d+,\%esp\n)?)/$call_exit_patch$1$call_entry_patch/g; # _all_ calls
# Actually, call_entry_patch and call_exit_patch never get set,
# so let's nuke this one
# s/^(\tcall .*\n(\taddl \$\d+,\%esp\n)?)/$call_exit_patch$1$call_entry_patch/g; # _all_ calls
# Before calling GC we must set up the exit condition before the call
# and entry condition when we come back
s/^(\tcall ${T_DO_GC}\n(\taddl \$\d+,\%esp\n)?)/$gc_call_exit_patch$1$gc_call_entry_patch/g; # _all_ calls
# fix _all_ non-local jumps:
......@@ -1178,7 +1402,6 @@ sub init_FUNNY_THINGS {
"${T_US}UnderflowVect7${T_POST_LBL}", 1,
"${T_US}UpdErr${T_POST_LBL}", 1,
"${T_US}UpdatePAP${T_POST_LBL}", 1,
"${T_US}WorldStateToken${T_POST_LBL}", 1,
"${T_US}_Enter_Internal${T_POST_LBL}", 1,
"${T_US}_PRMarking_MarkNextAStack${T_POST_LBL}", 1,
"${T_US}_PRMarking_MarkNextBStack${T_POST_LBL}", 1,
......@@ -1218,19 +1441,25 @@ 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 +1517,10 @@ 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,"> $out_asmf")
......@@ -1297,7 +1530,7 @@ sub mini_mangle_asm_i386 {
print OUTASM;
next unless
/^${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 +1567,55 @@ 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 (<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/;
s/\.tc EnterNodeCode\[TC]\,EnterNodeCode\[DS\]/\.tc EnterNodeCode\[TC]\,.EnterNodeCode/; # CONC
s/\.tc CheckHeapCode\[TC]\,CheckHeapCode\[DS\]/\.tc CheckHeapCode\[TC]\,.CheckHeapCode/; # CONC
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 =~ /\tlw?z? \d+,LC\.\.\d+\(2\)\n\tmtctr \d+\n\tbctr\n/) && $maybe_more)
{ $maybe_more = 0;
$lcsymb = $c;
$lcsymb =~ s/(.*\n)*\tlw?z? \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)*\tlw?z? (\d+),LC\.\.\d+\(2\)\n\tmtctr \d+\n\tbctr\n(.*\n)*/\2/;
$r2 = $c;
$r2 =~ s/(.*\n)*\tlw?z? \d+,LC\.\.(\d+)\(2\)\n\tmtctr (\d+)\n\tbctr\n(.*\n)*/\3/;
if (r1 == r2)
{ $maybe_more = 1;
$c =~ s/((.*\n)*)\tlw?z? \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}
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