$T_create_word = "\t.word";
#--------------------------------------------------------#
+ } elsif ( $TargetPlatform =~ /^ia64-.*-linux$/ ) {
+
+ $T_STABBY = 0; # 1 iff .stab things (usually if a.out format)
+ $T_US = ''; # _ if symbols have an underscore on the front
+ $T_PRE_APP = '#';
+ $T_CONST_LBL = '^\.LC(\d+):$'; # regexp for what such a lbl looks like
+ $T_POST_LBL = ':';
+
+ $T_MOVE_DIRVS = '^(\s*\.(global|proc|pred\.safe_across_calls|text|data|section|subsection|align|size|type|ident)\s+.*\n)';
+ $T_COPY_DIRVS = '\.(global|proc)';
+
+ $T_hsc_cc_PAT = '\.string.*\)(hsc|cc) (.*)\\\\t(.*)"';
+ $T_DOT_WORD = '\.(long|value|byte|zero)';
+ $T_DOT_GLOBAL = '\.global';
+ $T_HDR_literal = "\.section\t\.rodata\n";
+ $T_HDR_misc = "\.text\n\t\.align 8\n";
+ $T_HDR_data = "\.data\n\t\.align 8\n";
+ $T_HDR_consist = "\.text\n";
+ $T_HDR_closure = "\.data\n\t\.align 8\n";
+ $T_HDR_srt = "\.text\n\t\.align 8\n";
+ $T_HDR_info = "\.text\n\t\.align 8\n";
+ $T_HDR_entry = "\.text\n\t\.align 16\n";
+ $T_HDR_fast = "\.text\n\t\.align 16\n";
+ $T_HDR_vector = "\.text\n\t\.align 8\n";
+ $T_HDR_direct = "\.text\n\t\.align 8\n";
+ $T_create_word = "\t.word";
+
+ #--------------------------------------------------------#
} elsif ( $TargetPlatform =~ /^m68k-.*-sunos4/ ) {
$T_STABBY = 1; # 1 iff .stab things (usually if a.out format)
$T_COPY_DIRVS = '\.(globl)';
$T_hsc_cc_PAT = '\.byte.*\)(hsc|cc) (.*)"\n\t\.byte \d+\n\t\.byte "(.*)"\n\t\.byte \d+';
- $T_DOT_WORD = '\.(long|short|byte)';
+ $T_DOT_WORD = '\.(long|short|byte|fill|space)';
$T_DOT_GLOBAL = '\.globl';
$T_HDR_toc = "\.toc\n";
$T_HDR_literal = "\t\.const_data\n\t\.align 2\n";
$T_COPY_DIRVS = '\.(global|proc|stab)';
$T_hsc_cc_PAT = '\.asciz.*\)(hsc|cc) (.*)\\\\t(.*)"';
- $T_DOT_WORD = '\.(word|byte|half|skip|uahalf|uaword)';
+ $T_DOT_WORD = '\.(long|word|byte|half|skip|uahalf|uaword)';
$T_DOT_GLOBAL = '^\t\.global';
$T_HDR_literal = "\.text\n\t\.align 8\n";
$T_HDR_misc = "\.text\n\t\.align 4\n";
next if /${T_PRE_APP}(NO_)?APP/o;
next if /^;/ && $TargetPlatform =~ /^hppa/;
- next if /(^$|^\t\.file\t|^ # )/ && $TargetPlatform =~ /^(mips)-/;
+ next if /(^$|^\t\.file\t|^ # )/ && $TargetPlatform =~ /^(mips|ia64)-/;
if ( $TargetPlatform =~ /^mips-/
&& /^\t\.(globl\S+\.text|comm\t)/ ) {
$chkcat[$i] = 'misc';
$chksymb[$i] = '';
+ } elsif ( $TargetPlatform =~ /^powerpc-apple-.*/ && /^\.picsymbol_stub/ )
+ {
+ $chk[++$i] = $_;
+ $chkcat[$i] = 'dyld';
+ $chksymb[$i] = '';
+ } elsif ( $TargetPlatform =~ /^powerpc-apple-.*/ && /^\.lazy_symbol_pointer/ )
+ {
+ $chk[++$i] = $_;
+ $chkcat[$i] = 'dyld';
+ $chksymb[$i] = '';
+ } elsif ( $TargetPlatform =~ /^powerpc-apple-.*/ && /^\.non_lazy_symbol_pointer/ )
+ {
+ $chk[++$i] = $_;
+ $chkcat[$i] = 'dyld';
+ $chksymb[$i] = '';
+ } elsif ( $TargetPlatform =~ /^powerpc-apple-.*/ && /^\.data/ && $chkcat[$i] == 'dyld')
+ { # non_lazy_symbol_ptrs that point to local symbols
+ $chk[++$i] = $_;
+ $chkcat[$i] = 'dyld';
+ $chksymb[$i] = '';
} else { # simple line (duplicated at the top)
$chk[$i] .= $_;
}
$numchks = $#chk + 1;
- open CHUNKS, ">/tmp/chunks1" or die "Cannot open /tmp/chunks1: $!\n";
- for (my $i = 0; $i < @chk; ++$i) { print CHUNKS "======= $i =======\n", $chk[$i] }
- close CHUNKS;
-
- # ########
+ # open CHUNKS, ">/tmp/chunks1" or die "Cannot open /tmp/chunks1: $!\n";
+ # for (my $i = 0; $i < @chk; ++$i) { print CHUNKS "======= $i =======\n", $chk[$i] }
+ # close CHUNKS;
# the division into chunks is imperfect;
# we throw some things over the fence into the next
# toss all prologue stuff; HPPA is pretty weird
# (see elsewhere)
- $c = &mash_hppa_prologue($c) if $TargetPlatform =~ /^hppa/;
+ $c = &hppa_mash_prologue($c) if $TargetPlatform =~ /^hppa-/;
# be slightly paranoid to make sure there's
# nothing surprising in there
if ( $c =~ /--- BEGIN ---/ ) {
if (($p, $r) = split(/--- BEGIN ---/, $c)) {
+ # remove junk whitespace around the split point
+ $p =~ s/\t+$//;
+ $r =~ s/^\s*\n//;
+
if ($TargetPlatform =~ /^i386-/) {
$p =~ s/^\tpushl\s+\%edi\n//;
$p =~ s/^\tpushl\s+\%esi\n//;
$p =~ s/^\tpushl\s+\%ebx\n//;
$p =~ s/^\tsubl\s+\$\d+,\s*\%esp\n//;
$p =~ s/^\tmovl\s+\$\d+,\s*\%eax\n\tcall\s+__alloca\n// if ($TargetPlatform =~ /^.*-cygwin32/);
+
+ # GCC 3.1 is in the habit of adding spurious writes to the
+ # stack in the prologue. Just to be on the safe side,
+ # chuck these over the fence into the main code.
+ while ($p =~ /^\tmovl\s+(\$\d+|\%edi),\s*\d*\(\%esp\)\n/) {
+ # print "Spurious instruction: $&";
+ $p = $` . $';
+ $r = $& . $r;
+ }
+
+ } elsif ($TargetPlatform =~ /^ia64-/) {
+ $p =~ s/^\t\.prologue .*\n//;
+ $p =~ s/^\t\.save ar\.pfs, r\d+\n\talloc r\d+ = ar\.pfs, 0, 31, \d+, 0\n//;
+ $p =~ s/^\t\.fframe \d+\n\tadds r12 = -\d+, r12\n//;
+ $p =~ s/^\t\.save rp, r\d+\n\tmov r\d+ = b0\n//;
+ $p =~ s/^\t\.(mii|mmi)\n//; # bundling is no longer sensible
+ $p =~ s/^\t;;\n//g; # discard stops
+ $p =~ s/^\t\/\/.*\n//g; # gcc inserts timings in // comments
} elsif ($TargetPlatform =~ /^m68k-/) {
$p =~ s/^\tlink a6,#-?\d.*\n//;
$p =~ s/^\tpea a6@\n\tmovel sp,a6\n//;
$p =~ s/^\tsw\t\$28,\d+\(\$sp\)\n//;
$p =~ s/__FRAME__/$FRAME/;
} elsif ($TargetPlatform =~ /^powerpc-apple-.*/) {
- $p =~ s/^\tmflr r0\n//;
+ $pcrel_label = $p;
+ $pcrel_label =~ s/(.|\n)*^(L\d+\$pb):\n(.|\n)*/$2/ or $pcrel_label = "";
+
+ $p =~ s/^\tmflr r0\n//;
$p =~ s/^\tbl saveFP # f\d+\n//;
+ $p =~ s/^\tbl saveFP ; save f\d+-f\d+\n//;
+ $p =~ s/^L\d+\$pb:\n//;
$p =~ s/^\tstmw r\d+,-\d+\(r1\)\n//;
$p =~ s/^\tstfd f\d+,-\d+\(r1\)\n//g;
$p =~ s/^\tstw r0,\d+\(r1\)\n//g;
$p =~ s/^\tstwu r1,-\d+\(r1\)\n//;
$p =~ s/^\tstw r\d+,-\d+\(r1\)\n//g;
+ $p =~ s/^\tbcl 20,31,L\d+\$pb\n//;
+ $p =~ s/^L\d+\$pb:\n//;
+ $p =~ s/^\tmflr r31\n//;
} else {
print STDERR "$Pgm: unknown prologue mangling? $TargetPlatform\n";
}
-
- if ($TargetPlatform =~ /^powerpc-apple-.*/) {
- # on PowerPC, we have to keep a part of the prologue
- # (which loads the current instruction pointer into register r31)
- $u_p = $p; # $u_p is for unexpected prologue
- $u_p =~ s/^\tbcl 20,31,L\d+\$pb\n//;
- $u_p =~ s/^L\d+\$pb:\n//;
- $u_p =~ s/^\tmflr r31\n//;
- die "Prologue junk?: $u_p\n" if $u_p =~ /^\t[^\.]/
- } else {
- # HWL HACK: dont die, just print a warning
- #print stderr "HWL: this should die! Prologue junk?: $p\n" if $p =~ /^\t[^\.]/;
- die "Prologue junk?: $p\n" if $p =~ /^\t[^\.]/;
+
+ # HWL HACK: dont die, just print a warning
+ #print stderr "HWL: this should die! Prologue junk?: $p\n" if $p =~ /^\t[^\.]/;
+ die "Prologue junk?: $p\n" if $p =~ /^\t[^\.]/;
+
+ if ($TargetPlatform =~ /^powerpc-apple-.*/ && $pcrel_label ne "") {
+ # on PowerPC, we have to keep a part of the prologue
+ # (which loads the current instruction pointer into register r31)
+ $p .= "bcl 20,31,$pcrel_label\n";
+ $p .= "$pcrel_label:\n";
+ $p .= "\tmflr r31\n";
}
+
# glue together what's left
$c = $p . $r;
- $c =~ s/\n\t\n/\n/; # junk blank line
}
}
$e =~ s/^\tpopl\s+\%ecx\n//;
$e =~ s/^\taddl\s+\$\d+,\s*\%esp\n//;
$e =~ s/^\tsubl\s+\$-\d+,\s*\%esp\n//;
+ } elsif ($TargetPlatform =~ /^ia64-/) {
+ $e =~ s/^\tmov ar\.pfs = r\d+\n//;
+ $e =~ s/^\tmov b0 = r\d+\n//;
+ $e =~ s/^\t\.restore sp\n\tadds r12 = \d+, r12\n//;
+ $e =~ s/^\tbr\.ret\.sptk\.many b0\n//;
+ $e =~ s/^\t\.(mii|mmi|mib)\n//g; # bundling is no longer sensible
+ $e =~ s/^\t;;\n//g; # discard stops - stop at end of body is sufficient
+ $e =~ s/^\t\/\/.*\n//g; # gcc inserts timings in // comments
} elsif ($TargetPlatform =~ /^m68k-/) {
$e =~ s/^\tunlk a6\n//;
$e =~ s/^\trts\n//;
# toss all calls to __DISCARD__
$c =~ s/^\t(call|jbsr|jal)\s+${T_US}__DISCARD__\n//go;
-# ###WTT### $c =~ s/^\tbl\s+L___DISCARD__\$stub\n//go if $TargetPlatform =~ /^powerpc-apple-.*/;
+ $c =~ s/^\tbl\s+L___DISCARD__\$stub\n//go if $TargetPlatform =~ /^powerpc-apple-.*/;
+
+ # IA64: mangle tailcalls into jumps here
+ $c =~ s/^\tbr\.call\.sptk\.many b0 = (.*)\n\t;;\n(\tmov r1 = r\d+\n)?\t;;\n\t--- TAILCALL ---\n/\tbr\.few $1\n/g
+ if $TargetPlatform =~ /^ia64-/;
# MIPS: that may leave some gratuitous asm macros around
# (no harm done; but we get rid of them to be tidier)
# The next two only apply if we're not stealing %esi or %edi.
$c =~ s/^\tmovl\s+\$${T_US}${symb}_fast\d*,\s*\%esi\n\tjmp\s+\*\%esi\n// if ($StolenX86Regs < 3);
$c =~ s/^\tmovl\s+\$${T_US}${symb}_fast\d*,\s*\%edi\n\tjmp\s+\*\%edi\n// if ($StolenX86Regs < 4);
+ } elsif ( $TargetPlatform =~ /^ia64-/ ) {
+ #$c =~ s/^\tbr\.few ${symb}_fast\d*#\n\t;;\n(\t;;\n\t\.endp ${symb}_entry#\n)/$1/;
+ $c =~ s/^\tbr\.few ${symb}_fast\d*#\n(\t;;\n\t\.endp ${symb}_entry#\n)/$1/;
} 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-/ ) {
$j++;
}
+ } elsif ( $TargetPlatform =~ /^powerpc-apple-.*/ && $chkcat[$i] eq 'dyld' ) {
+ # powerpc-apple: dynamic linker stubs
+ if($chk[$i] !~ /\.indirect_symbol ___DISCARD__/)
+ { # print them out unchanged, but remove the stubs for __DISCARD__
+ print OUTASM $chk[$i];
+ }
} else {
&tidy_up_and_die(1,"$Pgm: unknown chkcat (ghc-asm: $TargetPlatform)\n$chkcat[$i]\n$chk[$i]\n");
}
\end{code}
\begin{code}
-sub mash_hppa_prologue { # OK, epilogue, too
+sub hppa_mash_prologue { # OK, epilogue, too
local($_) = @_;
# toss all prologue stuff
sub rev_tbl {
local($symb, $tbl, $discard1) = @_;
+ return ($tbl) if ($TargetPlatform =~ /^ia64-/);
+
local($before) = '';
local($label) = '';
local(@imports) = (); # hppa only