$T_CONST_LBL = '^\$L?C(\d+):$'; # regexp for what such a lbl looks like
$T_POST_LBL = ':';
- $T_MOVE_DIRVS = '^(\s*(\.align\s+\d+|\.(globl|ent)\s+\S+|\#.*|\.(file|loc)\s+\S+\s+\S+|\.text|\.r?data)\n)';
- $T_COPY_DIRVS = '^\s*(\#|\.(file|globl|ent|loc))';
+ $T_MOVE_DIRVS = '^(\s*(\$.*\.\.ng:|\.align\s+\d+|\.(globl|ent)\s+\S+|\#.*|\.(file|loc)\s+\S+\s+\S+|\.text|\.r?data)\n)';
+ $T_COPY_DIRVS = '^\s*(\$.*\.\.ng:|\#|\.(file|globl|ent|loc))';
$T_hsc_cc_PAT = '\.ascii.*\)(hsc|cc) (.*)\\\\11"\n\t\.ascii\s+"(.*)\\\\0"';
$T_DOT_WORD = '\.(long|quad|byte|word)';
$T_X86_PRE_LLBL = '.L';
$T_X86_BADJMP = '^\tjmp\s+[^\.\*]';
- $T_MOVE_DIRVS = '^(\s*(\.(p2)?align\s+\d+(,\s*0x90)?|\.globl\s+\S+|\.text|\.data|\.section\s+.*|\.type\s+.*|\.Lfe.*\n\s*\.size\s+.*|\.size\s+.*|\.ident.*)\n)';
- $T_COPY_DIRVS = '\.(globl)';
+ $T_MOVE_DIRVS = '^(\s*(\.(p2)?align\s+\d+(,\s*0x90)?|\.globl\s+\S+|\.text|\.data|\.section\s+.*|\.type\s+.*|\.size\s+\S+,\d+|\.ident.*)\n)';
+ $T_COPY_DIRVS = '^\s*\.(globl|type|size)';
if ( $TargetPlatform =~ /freebsd|netbsd/ ) {
$T_hsc_cc_PAT = '\.ascii.*\)(hsc|cc) (.*)\\\\11"\n\t\.ascii\s+"(.*)\\\\0"';
$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 = '\.(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 ( $TargetPlatform =~ /^mips-/
&& /^\t\.(globl\S+\.text|comm\t)/ ) {
|| ! /^L\$\d+$/ ) ) {
local($thing);
chop($thing = $_);
- print STDERR "Funny global thing?: $_"
+ $thing =~ s/:$//;
+ print STDERR "Warning: retaining unknown function \`$thing' in output from C compiler\n"
unless # $KNOWN_FUNNY_THING{$thing}
/^${T_US}stg_.*${T_POST_LBL}$/o # RTS internals
|| /^${T_US}__stg_.*${T_POST_LBL}$/o # more RTS internals
$chk[++$i] = $_;
$chkcat[$i] = 'dyld';
$chksymb[$i] = '';
+ } elsif ( $TargetPlatform =~ /^powerpc-apple-.*/ && /^\.symbol_stub/ )
+ {
+ $chk[++$i] = $_;
+ $chkcat[$i] = 'dyld';
+ $chksymb[$i] = '';
} elsif ( $TargetPlatform =~ /^powerpc-apple-.*/ && /^\.lazy_symbol_pointer/ )
{
$chk[++$i] = $_;
# 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
$p =~ s/^\tpushl\s+\%edi\n//;
$p =~ s/^\tpushl\s+\%esi\n//;
$p =~ s/^\tpushl\s+\%ebx\n//;
+ $p =~ s/^\tmovl\s+\%esi,\s*\d*\(\%esp\)\n//;
+ $p =~ s/^\tmovl\s+\%edi,\s*\d*\(\%esp\)\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/) {
+ while ($p =~ /^\tmovl\s+\$\d+,\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/^\tbcl 20,31,L\d+\$pb\n//;
$p =~ s/^L\d+\$pb:\n//;
$p =~ s/^\tmflr r31\n//;
+
+ # This is bad: GCC 3 seems to zero-fill some local variables in the prologue
+ # under some circumstances, only when generating position dependent code.
+ # I have no idea why, and I don't think it is necessary, so let's toss it.
+ $p =~ s/^\tli r\d+,0\n//g;
+ $p =~ s/^\tstw r\d+,\d+\(r1\)\n//g;
} else {
print STDERR "$Pgm: unknown prologue mangling? $TargetPlatform\n";
}
# (which loads the current instruction pointer into register r31)
$p .= "bcl 20,31,$pcrel_label\n";
$p .= "$pcrel_label:\n";
- $p .= "\tmflr r31";
+ $p .= "\tmflr r31\n";
}
# glue together what's left
$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 the register-windowing save/restore/ret* instructions
# directly:
if ( $TargetPlatform =~ /^sparc-/ ) {
- $c =~ s/^\t(save.*|restore|ret|retl)\n//g;
+ $c =~ s/^\t(save.*|restore.*|ret|retl)\n//g;
# throw away PROLOGUE comments
$c =~ s/^\t!#PROLOGUE# 0\n\t!#PROLOGUE# 1\n//;
}
# toss all calls to __DISCARD__
$c =~ s/^\t(call|jbsr|jal)\s+${T_US}__DISCARD__\n//go;
+ $c =~ s/^\tjsr\s+\$26\s*,\s*${T_US}__DISCARD__\n//go if $TargetPlatform =~ /^alpha-/;
$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)
$c =~ s/^\t\.set\tnoreorder\n\t\.set\tnomacro\n\taddu\t(\S+)\n\t\.set\tmacro\n\t\.set\treorder\n/\taddu\t$1\n/
if ( $TargetPlatform =~ /^alpha-/ && $c =~ /^\t\.ent\s+(\S+)/ ) {
$ent = $1;
# toss all prologue stuff, except for loading gp, and the ..ng address
- if (($p, $r) = split(/^\t\.prologue/, $c)) {
- if (($keep, $junk) = split(/\.\.ng:/, $p)) {
- $keep =~ s/^\t\.frame.*\n/\t.frame \$30,0,\$26,0\n/;
- $keep =~ s/^\t\.(mask|fmask).*\n//g;
- $c = $keep . "..ng:\n";
- } else {
- print STDERR "malformed code block ($ent)?\n"
- }
- }
- $c .= "\t.prologue" . $r;
+ unless ($c =~ /\.ent.*\n\$.*\.\.ng:/) {
+ if (($p, $r) = split(/^\t\.prologue/, $c)) {
+ if (($keep, $junk) = split(/\.\.ng:/, $p)) {
+ $keep =~ s/^\t\.frame.*\n/\t.frame \$30,0,\$26,0\n/;
+ $keep =~ s/^\t\.(mask|fmask).*\n//g;
+ $c = $keep . "..ng:\n";
+ } else {
+ print STDERR "malformed code block ($ent)?\n"
+ }
+ }
+ $c .= "\t.prologue" . $r;
+ }
}
$c =~ s/FUNNY#END#THING//;
# 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-/ ) {
$c =~ s/^\tjmp ${T_US}${symb}_fast\d+.*\n\tnop\n//;
$c =~ s/^\tjmp ${T_US}${symb}_fast\d+.*\n//;
} elsif ( $TargetPlatform =~ /^powerpc-apple-.*/ ) {
- $c =~ s/^\taddis r9,r31,ha16\(L_${symb}_fast\d*\$non_lazy_ptr-L\d+\$pb\)\n\tlwz r9,lo16\(L_${symb}_fast\d*\$non_lazy_ptr-L\d+\$pb\)\(r9\)\n\tmtctr r9\n\tbctr\n//;
- # addis r9,r31,ha16(L_XXXX_fast3$non_lazy_ptr-L32$pb)
- # lwz r9,lo16(L_XXXX_fast3$non_lazy_ptr-L32$pb)(r9)
+ if ( $c =~ s/^\taddis r9,r31,ha16\(L_${symb}_fast\d*\$non_lazy_ptr-L\d+\$pb\)\n\tlwz r9,lo16\(L_${symb}_fast\d*\$non_lazy_ptr-L\d+\$pb\)\(r9\)\n\tmtctr r9\n\tbctr$// ) {
+ # for Position-Independent Code, GCC 2:
+ # addis r9,r31,ha16(L_XXXX_fast3$non_lazy_ptr-Lxxx$pb)
+ # lwz r9,lo16(L_XXXX_fast3$non_lazy_ptr-Lxxx$pb)(r9)
# mtctr r9
# bctr
+
+ } elsif ( $c =~ s/^\taddis r9,r31,ha16\(L_${symb}_fast\d*\$non_lazy_ptr-L\d+\$pb\)\n\tlwz r29,lo16\(L_${symb}_fast\d*\$non_lazy_ptr-L\d+\$pb\)\(r9\)\nL(\d+):\n\tmtctr r29\n\tbctr$// ) {
+ # for Position-Independent Code, GCC 3:
+ # addis r9,r31,ha16(L_XXXX_fast3$non_lazy_ptr-Lxxx$pb)
+ # lwz r29,lo16(L_XXXX_fast3$non_lazy_ptr-Lxxx$pb)(r9)
+ # Lyyy:
+ # mtctr r29
+ # bctr
+ $label = $1;
+ $c =~ s/^\tb L${label}\n/\tmtctr r29\n\tbctr\n/g;
+ } elsif ( $c =~ s/^\tlis r9,ha16\(L_${symb}_fast\d*\$non_lazy_ptr\)\n\tlwz r31,lo16\(L_${symb}_fast\d*\$non_lazy_ptr\)\(r9\)\nL(\d+):\n\tmtctr r31\n\tbctr$// ) {
+ # for -mdynamic-no-pic Code, GCC 3:
+ # lis r9,ha16(L_XXXX_fast3$non_lazy_ptr)
+ # lwz r31,lo16(L_XXXX_fast3$non_lazy_ptr-Lxxx$pb)(r9)
+ # Lyyy:
+ # mtctr r31
+ # bctr
+ $label = $1;
+ $c =~ s/^\tb L${label}\n/\tmtctr r31\n\tbctr\n/g;
+ } else {
+
+ print STDERR "slow-fast dropthrough not mangled\n";
+ print STDERR $c;
+ print STDERR "\n\n";
+ }
} elsif ( $TargetPlatform =~ /^sparc-/ ) {
$c =~ s/^\tcall\s+${T_US}${symb}_fast\d+,.*\n\t\s*nop\n//;
$c =~ s/^\tcall\s+${T_US}${symb}_fast\d+,.*\n(\t\s*[a-z].*\n)/$1/;
\end{code}
\begin{code}
-sub mash_hppa_prologue { # OK, epilogue, too
+sub hppa_mash_prologue { # OK, epilogue, too
local($_) = @_;
# toss all prologue stuff
# jmp *<bad-reg>
#
- s/^\tmovl\s+\$${T_US}(.*),(\%e[abcd]x)\n\tjmp\s+\*\2/\tjmp $T_US$1/g;
+ s/^\tmovl\s+\$${T_US}(.*),\s*(\%e[abcd]x)\n\tjmp\s+\*\2/\tjmp $T_US$1/g;
if ($StolenX86Regs <= 2 ) { # YURGH! spurious uses of esi?
s/^\tmovl\s+(.*),\s*\%esi\n\tjmp\s+\*%esi\n/\tmovl $1,\%eax\n\tjmp \*\%eax\n/g;
sub rev_tbl {
local($symb, $tbl, $discard1) = @_;
+ return ($tbl) if ($TargetPlatform =~ /^ia64-/);
+
local($before) = '';
local($label) = '';
local(@imports) = (); # hppa only
projects / ghc-hetmet.git / blobdiff