$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";
$T_X86_PRE_LLBL = 'L';
$T_X86_BADJMP = '^\tjmp [^L\*]';
- $T_MOVE_DIRVS = '^(\s*(\.align\s+\d+(,0x90)?|\.globl\s+\S+|\.text|\.data|\.stab[^n].*|\.type\s+.*|\.size\s+.*)\n)';
+ $T_MOVE_DIRVS = '^(\s*(\.(p2)?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_DOT_WORD = '\.long';
&& /^\t\.(globl \S+ \.text|comm\t)/ ) {
$EXTERN_DECLS .= $_ unless /(__DISCARD__|\b(PK_|ASSIGN_)(FLT|DBL)\b)/;
+ # As a temporary solution for compiling "foreign export" declarations,
+ # we use global variables to pass arguments from C to STG land.
+ # These declarations live in the .hc file and not in the generated C
+ # stub file, so we let them pass through here.
+ } elsif ( /^\t\.comm\t__fexp_.*$/ ) {
+ $chk[++$i] = $_;
+ $chkcat[$i] = 'data';
+ $chksymb[$i] = '';
+
} elsif ( /^\s+/ ) { # most common case first -- a simple line!
# duplicated from the bottom
$chk[++$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 ( /^($TUS[@]?(ret_|djn_)[A-Za-z0-9_]+)/o ) {
$chk[++$i] = $_;
$chkcat[$i] = 'misc';
# I guess this is never entered, since all _upds are
# either vtbl_'s or ret_'s, caught above. - andre
$chksymb[$i] = '';
-# if ($TargetPlatform =~ /^powerpc-/)
-# { $chksymb[$i] = $symbtmp;}
-# else { $chksymb[$i] = ''; };
-
+
+ # As a temporary solution for compiling "foreign export" declarations,
+ # we use global variables to pass arguments from C to STG land.
+ # These declarations live in the .hc file and not in the generated C
+ # stub file, so we let them pass through here.
+ } elsif ( /^[\t ]+\.comm[\t ]+__fexp_.*$/ ) {
+ $chk[++$i] = $_;
+ $chkcat[$i] = 'data';
+ $chksymb[$i] = '';
} elsif ( $TargetPlatform =~ /^i386-.*-solaris2/
&& /^(_uname|uname|stat|fstat):/ ) {
unless $KNOWN_FUNNY_THING{$thing}
|| /^$TUS[@]?_(PRIn|PRStart).*$TPOSTLBL[@]?$/o # pointer reversal GC routines
|| /^$TUS[@]?CC_.*$TPOSTLBL$/o # PROF: _CC_ccident ([@]? is a silly hack (see above))
+ || /^$TUS__fexp_.*$TPOSTLBL$/o # foreign export droppings (temporary)
|| /^$TUS[@]?_reg.*$TPOSTLBL$/o; # PROF: __reg<module>
$chk[++$i] = $_;
$chkcat[$i] = 'misc';
# HPPAs, MIPSen: also start medding at chunk 1
-# AIX hack for the moment, to join up multiple identical tocs
if ($TargetPlatform =~ /^powerpc|^rs6000/) {
print OUTASM $T_HDR_toc; # yes, we have to put a .toc
# in the beginning of every file!
$chk[$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+)\[TC\],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/;
} elsif ($TargetPlatform =~ /^powerpc-|^rs6000/) {
$p =~ s/^\tmflr 0\n//;
$p =~ s/^\tstm \d+,-\d+\(1\)\n//;
- $p =~ s/^\tstw? 0,\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;
#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 '')
+# 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]); $printDS = 1;}
};
&print_doctored($chk[$i], 0);
if ($TargetPlatform =~ /^powerpc-|^rs6000-/ && $printDS) {
- print OUTASM "\.csect ${chksymb[$i]}[DS]\n";
- print OUTASM "${p}TOC[tc0], 0\n";
+#ok if ($chksymb[$i] !~ /\_regMain/) {
+ print OUTASM "\.csect ${chksymb[$i]}[DS]\n";
+ print OUTASM "${p}TOC[tc0], 0\n";
+#ok }
}
}
$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)-/ ) { # we just don't try in those case (ToDo)
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/;
} elsif ( $TargetPlatform =~ /^hppa/ ) {
$c =~ s/^\s+ldil.*\n\s+ldo.*\n\s+bv.*\n(.*\n)?\s+\.EXIT/$1\t.EXIT/;
} elsif ( $TargetPlatform =~ /^i386-/ ) {
+ # Reg alloc depending, gcc generated code may jump to the fast entry point via
+ # a number of registers.
$c =~ s/^\tmovl \$${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//;
+ # The next two only apply if we're not stealing %esi or %edi.
+ $c =~ s/^\tmovl \$${T_US}${symb}_fast\d+,\%esi\n\tjmp \*\%esi\n// if ($StolenX86Regs < 3);
+ $c =~ s/^\tmovl \$${T_US}${symb}_fast\d+,\%edi\n\tjmp \*\%edi\n// if ($StolenX86Regs < 4);
} 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-/ ) {
if ( $fullname =~ /^[A-Z]/)
{ print OUTASM "\t\.globl \.${fullname}\n";
} else {
- print OUTASM "\t\.lglobl \.${fullname}\n"; #todo: rm - andre
+# print OUTASM "\t\.lglobl \.${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 OUTASM $T_HDR_toc;
local($j) = $i;
while ($chkcat[$j] eq 'toc')
- { print OUTASM $chk[$j];
+ { if ( $chk[$j] !~ /\.tc UpdatePAP\[TC\]/ # not needed: always turned into a jump.
+ )
+ {
+ print OUTASM $chk[$j];
+ }
$chkcat[$j] = 'DONE ALREADY';
$j++;
}
local($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
# OK, now we can decide what our patch-up code is going to
# be:
+
+ # Offsets into register table - you'd better update these magic
+ # numbers should you change its contents!
+ local($OFFSET_R1)=48;
+ local($OFFSET_SpA)=80;
+
+ # 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";
- $exit_patch .= "\tmovl 32(\%ebx),\%esi\n";
+ && ( /${OFFSET_R1}\(\%ebx\)/ || /\%esi/ || /^\tcmps/ ) ) { # R1 (esi)
+ $entry_patch .= "\tmovl \%esi,${OFFSET_R1}(\%ebx)\n";
+ $exit_patch .= "\tmovl ${OFFSET_R1}(\%ebx),\%esi\n";
+
+ $gc_call_entry_patch .= "\tmovl \%esi,${OFFSET_R1}(\%ebx)\n";
+ $gc_call_exit_patch .= "\tmovl ${OFFSET_R1}(\%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";
- $exit_patch .= "\tmovl 64(\%ebx),\%edi\n";
+ && ( /${OFFSET_SpA}\(\%ebx\)/ || /\%edi/ || /^\t(scas|cmps)/ ) ) { # SpA (edi)
+ $entry_patch .= "\tmovl \%edi,${OFFSET_SpA}(\%ebx)\n";
+ $exit_patch .= "\tmovl ${OFFSET_SpA}(\%ebx),\%edi\n";
+
+ $gc_call_entry_patch .= "\tmovl \%edi,${OFFSET_SpA}(\%ebx)\n";
+ $gc_call_exit_patch .= "\tmovl ${OFFSET_SpA}(\%ebx),\%edi\n";
+
# nothing for call_{entry,exit} because %edi is callee-save
}
+ local ($OFFSET_Hp) = 96;
+
+#= local ($OFFSET_rSaveECX) = 124;
#= if ( $StolenX86Regs <= 4
-#= && ( /80\(\%ebx\)/ || /\%ecx/ || /^\t(rep|loop)/ ) ) { # Hp (ecx)
-#= $entry_patch .= "\tmovl \%ecx,80(\%ebx)\n";
-#= $exit_patch .= "\tmovl 80(\%ebx),\%ecx\n";
+#= && ( /${OFFSET_Hp}\(\%ebx\)/ || /\%ecx/ || /^\t(rep|loop)/ ) ) { # Hp (ecx)
+#= $entry_patch .= "\tmovl \%ecx,${OFFSET_Hp}(\%ebx)\n";
+#= $exit_patch .= "\tmovl ${OFFSET_Hp}(\%ebx),\%ecx\n";
#=
-#= $call_exit_patch .= "\tmovl \%ecx,108(\%ebx)\n";
-#= $call_entry_patch .= "\tmovl 108(\%ebx),\%ecx\n";
+#= $call_exit_patch .= "\tmovl \%ecx,${OFFSET_rSaveECX}(\%ebx)\n";
+#= $call_entry_patch .= "\tmovl ${OFFSET_rSaveECX}(\%ebx),\%ecx\n";
#= # I have a really bad feeling about this if we ever
#= # have a nested call...
#= # NB: should just hide it somewhere in the C stack.
# next, here we go with non-%esp patching!
#
s/^(\t[a-z])/$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:
# final peephole fixes
- s/^\tmovl \%eax,36\(\%ebx\)\n\tjmp \*36\(\%ebx\)\n/\tmovl \%eax,36\(\%ebx\)\n\tjmp \*\%eax\n/;
+ local($OFFSET_R2)=52;
+ s/^\tmovl \%eax,${OFFSET_R2}\(\%ebx\)\n\tjmp \*${OFFSET_R2}\(\%ebx\)\n/\tmovl \%eax,${OFFSET_R2}\(\%ebx\)\n\tjmp \*\%eax\n/;
+
# the short form may tickle perl bug:
# s/^\tmovl \$${T_US}(.*),(\%e[abcd]x)\n\tjmp \*$2/\tjmp $T_US$1/g;
s/^\tmovl \$${T_US}(.*),\%eax\n\tjmp \*\%eax/\tjmp $T_US$1/g;
# (i) the offset of Hp from BaseReg changes from 80, or
# (ii) the register assignment of BaseReg changes from %ebx
- s/^\tmovl 80\(\%ebx\),\%e.x\n\tmovl \$(.*),(-?[0-9]*)\(\%e.x\)\n\tmovl 80\(\%ebx\),\%e(.)x/\tmovl 80\(\%ebx\),\%e$3x\n\tmovl \$$1,$2\(\%e$3x\)/g;
+ s/^\tmovl ${OFFSET_Hp}\(\%ebx\),\%e.x\n\tmovl \$(.*),(-?[0-9]*)\(\%e.x\)\n\tmovl ${OFFSET_Hp}\(\%ebx\),\%e(.)x/\tmovl ${OFFSET_Hp}\(\%ebx\),\%e$3x\n\tmovl \$$1,$2\(\%e$3x\)/g;
- s/^\tmovl 80\(\%ebx\),\%e(.)x\n\tmovl (.*),\%e(.)x\n\tmovl \%e$3x,(-?[0-9]*\(\%e$1x\))\n\tmovl 80\(\%ebx\),\%e$1x/\tmovl 80\(\%ebx\),\%e$1x\n\tmovl $2,\%e$3x\n\tmovl \%e$3x,$4/g;
+ s/^\tmovl ${OFFSET_Hp}\(\%ebx\),\%e(.)x\n\tmovl (.*),\%e(.)x\n\tmovl \%e$3x,(-?[0-9]*\(\%e$1x\))\n\tmovl ${OFFSET_Hp}\(\%ebx\),\%e$1x/\tmovl ${OFFSET_Hp}\(\%ebx\),\%e$1x\n\tmovl $2,\%e$3x\n\tmovl \%e$3x,$4/g;
- s/^\tmovl 80\(\%ebx\),\%edx((\n\t(movl|addl) .*,((-?[0-9]*\(.*)|(\%e[abc]x)))+)\n\tmovl 80\(\%ebx\),\%edx/\tmovl 80\(\%ebx\),\%edx$1/g;
- s/^\tmovl 80\(\%ebx\),\%eax((\n\t(movl|addl) .*,((-?[0-9]*\(.*)|(\%e[bcd]x)))+)\n\tmovl 80\(\%ebx\),\%eax/\tmovl 80\(\%ebx\),\%eax$1/g;
+ s/^\tmovl ${OFFSET_Hp}\(\%ebx\),\%edx((\n\t(movl|addl) .*,((-?[0-9]*\(.*)|(\%e[abc]x)))+)\n\tmovl ${OFFSET_Hp}\(\%ebx\),\%edx/\tmovl ${OFFSET_Hp}\(\%ebx\),\%edx$1/g;
+ s/^\tmovl ${OFFSET_Hp}\(\%ebx\),\%eax((\n\t(movl|addl) .*,((-?[0-9]*\(.*)|(\%e[bcd]x)))+)\n\tmovl ${OFFSET_Hp}\(\%ebx\),\%eax/\tmovl ${OFFSET_Hp}\(\%ebx\),\%eax$1/g;
# --------------------------------------------------------
# that's it -- print it
"${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${T_POST_LBL}", 1,
"${T_US}startEnterInt${T_POST_LBL}", 1,
"${T_US}startPerformIO${T_POST_LBL}", 1,
"${T_US}startStgWorld${T_POST_LBL}", 1,
- "${T_US}stopPerformIO${T_POST_LBL}", 1
+ "${T_US}stopPerformIO${T_POST_LBL}", 1,
+ "${T_US}ShouldCompile_Z36d1z5${T_POST_LBL}", 1
);
}
\end{code}
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;
}
projects / ghc-hetmet.git / blobdiff