[project @ 2001-05-25 13:50:39 by simonmar]

[ghc-hetmet.git] / ghc / driver / mangler / ghc-asm.lprl

diff --git a/ghc/driver/mangler/ghc-asm.lprl b/ghc/driver/mangler/ghc-asm.lprl
index 8e03615..fb89415 100644 (file)
--- a/ghc/driver/mangler/ghc-asm.lprl
+++ b/ghc/driver/mangler/ghc-asm.lprl
@@ -66,7 +66,11 @@ $ifile = $ARGV[0];
 $ofile = $ARGV[1];
 
 if ( $TargetPlatform =~ /^i386-/ ) {
-    $StolenX86Regs = $ARGV[2];
+    if ($ARGV[2] eq '') {
+       $StolenX86Regs = 4;
+    } else {
+        $StolenX86Regs = $ARGV[2];
+    }
 }
 
 &mangle_asm($ifile,$ofile);
@@ -138,7 +142,7 @@ sub init_TARGET_STUFF {
     $T_HDR_direct   = "\t.SPACE \$TEXT\$\n\t.SUBSPA \$CODE\$\n\t\.align 4\n";
 
     #--------------------------------------------------------#
-    } elsif ( $TargetPlatform =~ /^i386-.*-(linuxaout|freebsd2|netbsd|openbsd|nextstep3|cygwin32|mingw32)$/ ) {
+    } elsif ( $TargetPlatform =~ /^i386-.*-(linuxaout|freebsd2|openbsd|nextstep3|cygwin32|mingw32)$/ ) {
                                # NeXT added but not tested. CaS
 
     $T_STABBY      = 1; # 1 iff .stab things (usually if a.out format)
@@ -169,12 +173,12 @@ sub init_TARGET_STUFF {
     $T_HDR_direct   = "\.text\n\t\.align 2,0x90\n";
 
     #--------------------------------------------------------#
-    } elsif ( $TargetPlatform =~ /^i386-.*-(solaris2|linux|freebsd|netbsd_elf)$/ ) {
+    } elsif ( $TargetPlatform =~ /^i386-.*-(solaris2|linux|freebsd|netbsd)$/ ) {
 
     $T_STABBY      = 0; # 1 iff .stab things (usually if a.out format)
     $T_US          = ''; # _ if symbols have an underscore on the front
     $T_PRE_APP     = # regexp that says what comes before APP/NO_APP
-                     ($TargetPlatform =~ /-(linux|freebsd|netbsd_elf)$/) ? '#' : '/' ;
+                     ($TargetPlatform =~ /-(linux|freebsd|netbsd)$/) ? '#' : '/' ;
     $T_CONST_LBL    = '^\.LC(\d+):$'; # regexp for what such a lbl looks like
     $T_POST_LBL            = ':';
     $T_X86_PRE_LLBL_PAT = '\.L';
@@ -184,7 +188,7 @@ sub init_TARGET_STUFF {
     $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)';
 
-    if ( $TargetPlatform =~ /freebsd|netbsd_elf/ ) {
+    if ( $TargetPlatform =~ /freebsd|netbsd/ ) {
         $T_hsc_cc_PAT   = '\.ascii.*\)(hsc|cc) (.*)\\\\11"\n\t\.ascii\s+"(.*)\\\\0"';
     } else {
         $T_hsc_cc_PAT   = '\.string.*\)(hsc|cc) (.*)\\\\t(.*)"';
@@ -417,6 +421,7 @@ sub mangle_asm {
     $i = 0; $chkcat[0] = 'misc'; $chk[0] = '';
 
     while (<INASM>) {
+       tr/\r//d if $TargetPlatform =~ /-mingw32$/;
        next if $T_STABBY && /^\.stab.*${T_US}__stg_split_marker/o;
        next if $T_STABBY && /^\.stab.*ghc.*c_ID/;
        next if /^\t\.def.*endef$/;
@@ -757,18 +762,9 @@ sub mangle_asm {
                } else {
                    print STDERR "$Pgm: unknown epilogue mangling? $TargetPlatform\n";
                }
-               # HWL HACK: dont die, just print a warning
-               #print stderr "HWL: this should die! Epilogue junk?: $e\n" if $e =~ /^\t[^\.]/
-               #    && $TargetPlatform !~ /^powerpc-/; #ToDo: remove test
 
-               # ** FIXME:
-               # ** chak:
-               #   Commented this out, because it complains about junk that
-               #   is later removed in the FUNNY#END#THING loop - but as I am
-               #   not sure how this could ever have worked, there may be a 
-               #   better solution...
-               #die "Epilogue junk?: $e\n" if $e =~ /^\t[^\.\n]/
-               #    && $TargetPlatform !~ /^powerpc-/; #ToDo: remove test
+               print "WARNING: Epilogue junk?: $e\n" if $e =~ /^\t\s*[^\.\s\n]/
+                  && $TargetPlatform !~ /^powerpc-/; #ToDo: remove test
 
                # glue together what's left
                $c = $r . $e;
@@ -1093,7 +1089,7 @@ sub mangle_asm {
                    # references to fast-entry point.
                    # (questionable re hppa and mips...)
                    print STDERR "still has jump to fast entry point:\n$c"
-                       if $c =~ /${T_US}${symb}_fast/;
+                       if $c =~ /\b${T_US}${symb}_fast/;
                }
 
                print OUTASM $T_HDR_entry;
@@ -1265,8 +1261,7 @@ sub print_doctored {
     #   jmp  *<bad-reg>
     #
 
-# Because of Perl bug, needed separate cases for eax, ebx, ecx, edx in the past
-    s/^\tmovl \$${T_US}(.*),(\%e[abcd]x)\n\tjmp \*$2/\tjmp $T_US$1/g;
+    s/^\tmovl\s+\$${T_US}(.*),(\%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;