$T_CONST_LBL = '^\$L?C(\d+):$'; # 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_HDR_srt = "\.text\n\t\.align 3\n";
$T_HDR_info = "\.text\n\t\.align 3\n";
$T_HDR_entry = "\.text\n\t\.align 3\n";
- $T_HDR_fast = "\.text\n\t\.align 3\n";
$T_HDR_vector = "\.text\n\t\.align 3\n";
$T_HDR_direct = "\.text\n\t\.align 3\n";
$T_create_word = "\t.quad";
$T_HDR_srt = "\t.SPACE \$PRIVATE\$\n\t.SUBSPA \$DATA\$\n\t\.align 4\n";
$T_HDR_info = "\t.SPACE \$TEXT\$\n\t.SUBSPA \$CODE\$\n\t\.align 4\n";
$T_HDR_entry = "\t.SPACE \$TEXT\$\n\t.SUBSPA \$CODE\$\n\t\.align 4\n";
- $T_HDR_fast = "\t.SPACE \$TEXT\$\n\t.SUBSPA \$CODE\$\n\t\.align 4\n";
$T_HDR_vector = "\t.SPACE \$TEXT\$\n\t.SUBSPA \$CODE\$\n\t\.align 4\n";
$T_HDR_direct = "\t.SPACE \$TEXT\$\n\t.SUBSPA \$CODE\$\n\t\.align 4\n";
$T_create_word = "\t.word";
$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_closure = "\.data\n\t\.align 2\n\t.long 0\n" if ( $TargetPlatform =~ /.*-mingw32$/ );
$T_HDR_srt = "\.text\n\t\.align 2\n";
$T_HDR_info = "\.text\n\t\.align 2\n"; # NB: requires padding
$T_HDR_entry = "\.text\n"; # no .align so we're right next to _info (arguably wrong...?)
- $T_HDR_fast = "\.text\n\t\.align 2,0x90\n";
$T_HDR_vector = "\.text\n\t\.align 2\n"; # NB: requires padding
$T_HDR_direct = "\.text\n\t\.align 2,0x90\n";
$T_create_word = "\t.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_hsc_cc_PAT = '\.string.*\)(hsc|cc) (.*)\\\\t(.*)"';
}
- $T_DOT_WORD = '\.(long|value|byte|zero)';
+ $T_DOT_WORD = '\.(long|value|word|byte|zero)';
$T_DOT_GLOBAL = '\.globl';
$T_HDR_literal = "\.section\t\.rodata\n"; # or just use .text??? (WDP 95/11)
$T_HDR_misc = "\.text\n\t\.align 4\n";
$T_HDR_srt = "\.text\n\t\.align 4\n"; # ToDo: change align?
$T_HDR_info = "\.text\n\t\.align 4\n"; # NB: requires padding
$T_HDR_entry = "\.text\n"; # no .align so we're right next to _info (arguably wrong...?)
- $T_HDR_fast = "\.text\n\t\.align 4\n";
$T_HDR_vector = "\.text\n\t\.align 4\n"; # NB: requires padding
$T_HDR_direct = "\.text\n\t\.align 4\n";
$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_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_HDR_srt = "\.text\n\t\.even\n";
$T_HDR_info = "\.text\n\t\.even\n";
$T_HDR_entry = "\.text\n\t\.even\n";
- $T_HDR_fast = "\.text\n\t\.even\n";
$T_HDR_vector = "\.text\n\t\.even\n";
$T_HDR_direct = "\.text\n\t\.even\n";
$T_create_word = "\t.long";
$T_HDR_srt = "\t\.text\n\t\.align 2\n";
$T_HDR_info = "\t\.text\n\t\.align 2\n";
$T_HDR_entry = "\t\.text\n\t\.align 2\n";
- $T_HDR_fast = "\t\.text\n\t\.align 2\n";
$T_HDR_vector = "\t\.text\n\t\.align 2\n";
$T_HDR_direct = "\t\.text\n\t\.align 2\n";
$T_create_word = "\t.word";
#--------------------------------------------------------#
- } elsif ( $TargetPlatform =~ /^powerpc-.*|^rs6000-.*/ ) {
-
+ } elsif ( $TargetPlatform =~ /^powerpc-apple-.*/ ) {
+ # Apple PowerPC Darwin/MacOS X.
$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 = 'NOT APPLICABLE'; # regexp that says what comes before APP/NO_APP
- $T_CONST_LBL = 'NOT APPLICABLE'; # regexp for what such a lbl looks like
+ $T_US = '_'; # _ if symbols have an underscore on the front
+ $T_PRE_APP = 'WHAT IS THIS'; # regexp that says what comes before APP/NO_APP
+ $T_CONST_LBL = '^\LC\d+:'; # regexp for what such a lbl looks like
$T_POST_LBL = ':';
- $T_MOVE_DIRVS = '^(\s*(\.toc|\.align \d+|\.csect \S+|\t\.?l?globl \S+)\n)';
- $T_COPY_DIRVS = '\.(l?globl)';
+ $T_MOVE_DIRVS = '^(\s*(\.align \d+|\.text|\.data|\.cstring|\.non_lazy_symbol_pointer|\.const|\.static_const|\.literal4|\.literal8|\.static_data|\.globl \S+)\n)';
+ $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';
+ $T_DOT_WORD = '\.(long|short|byte|fill|space)';
$T_DOT_GLOBAL = '\.globl';
$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_srt = "# 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";
+ $T_HDR_literal = "\t\.const_data\n\t\.align 2\n";
+ $T_HDR_misc = "\t\.text\n\t\.align 2\n";
+ $T_HDR_data = "\t\.data\n\t\.align 2\n";
+ $T_HDR_consist = "\t\.text\n\t\.align 2\n";
+ $T_HDR_closure = "\t\.const_data\n\t\.align 2\n";
+ $T_HDR_srt = "\t\.text\n\t\.align 2\n";
+ $T_HDR_info = "\t\.text\n\t\.align 2\n";
+ $T_HDR_entry = "\t\.text\n\t\.align 2\n";
+ $T_HDR_vector = "\t\.text\n\t\.align 2\n";
+ $T_HDR_direct = "\t\.text\n\t\.align 2\n";
$T_create_word = "\t.long";
#--------------------------------------------------------#
$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";
$T_HDR_srt = "\.data\n\t\.align 4\n";
$T_HDR_info = "\.text\n\t\.align 4\n";
$T_HDR_entry = "\.text\n\t\.align 4\n";
- $T_HDR_fast = "\.text\n\t\.align 4\n";
$T_HDR_vector = "\.text\n\t\.align 4\n";
$T_HDR_direct = "\.text\n\t\.align 4\n";
$T_create_word = "\t.word";
$T_HDR_srt = "\.data\n\t\.align 4\n";
$T_HDR_info = "\.text\n\t\.align 4\n";
$T_HDR_entry = "\.text\n\t\.align 4\n";
- $T_HDR_fast = "\.text\n\t\.align 4\n";
$T_HDR_vector = "\.text\n\t\.align 4\n";
$T_HDR_direct = "\.text\n\t\.align 4\n";
$T_create_word = "\t.word";
print STDERR "T_HDR_closure: $T_HDR_closure\n";
print STDERR "T_HDR_info: $T_HDR_info\n";
print STDERR "T_HDR_entry: $T_HDR_entry\n";
-print STDERR "T_HDR_fast: $T_HDR_fast\n";
print STDERR "T_HDR_vector: $T_HDR_vector\n";
print STDERR "T_HDR_direct: $T_HDR_direct\n";
}
$numchks = 0; # number of them
@chkcat = (); # what category of thing in each chunk
@chksymb = (); # what symbol(base) is defined in this chunk
- %slowchk = (); # ditto, its regular "slow" entry code
- %fastchk = (); # ditto, fast entry code
+ %entrychk = (); # ditto, its entry code
%closurechk = (); # ditto, the (static) closure
%srtchk = (); # ditto, its SRT (for top-level things)
%infochk = (); # given a symbol base, say what chunk its info tbl is in
next if /${T_PRE_APP}(NO_)?APP/o;
next if /^;/ && $TargetPlatform =~ /^hppa/;
- next if /(^$|^\t\.file\t|^ # )/ && $TargetPlatform =~ /^(mips|powerpc|rs6000)-/;
-
- last if /^_section_\.text:$/ && $TargetPlatform =~ /^powerpc-|^rs6000-/;
+ next if /(^$|^\t\.file\t|^ # )/ && $TargetPlatform =~ /^(mips|ia64)-/;
if ( $TargetPlatform =~ /^mips-/
&& /^\t\.(globl\S+\.text|comm\t)/ ) {
} elsif ( /^${T_US}([A-Za-z0-9_]+)_(entry|ret)${T_POST_LBL}$/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 ) {
- $chk[++$i] = $_;
- $chkcat[$i] = 'fast';
+ $chkcat[$i] = 'entry';
$chksymb[$i] = $1;
- $fastchk{$1} = $i;
+ $entrychk{$1} = $i;
} elsif ( /^${T_US}([A-Za-z0-9_]+)_closure${T_POST_LBL}$/o ) {
$chk[++$i] = $_;
$chkcat[$i] = 'data';
$chksymb[$i] = '';
- } elsif ( /^${T_US}ghc.*c_ID${T_POST_LBL}/o ) {
- $chk[++$i] = $_;
- $chkcat[$i] = 'consist';
-
} elsif ( /^(${T_US}__gnu_compiled_c|gcc2_compiled\.)${T_POST_LBL}/o ) {
; # toss it
$chkcat[$i] = 'bss';
$chksymb[$i] = '';
- } elsif ( $TargetPlatform =~ /^powerpc-|^rs6000-/ && /^LC\.\.([0-9]+)/ ) {
- $chk[++$i] = $_;
- $chkcat[$i] = 'toc';
- $chksymb[$i] = $1;
-
} elsif ( /^${T_US}([A-Za-z0-9_]+)_cc(s)?${T_POST_LBL}$/o ) {
# all CC_ symbols go in the data section...
$chk[++$i] = $_;
$chk[++$i] = $_;
$chkcat[$i] = 'misc';
$chksymb[$i] = '';
- #$symbtmp = $1;
- #$chksymb[$i] = $symbtmp if ($TargetPlatform =~ /^powerpc-|^rs6000-/) ; #rm andre
-
} elsif ( /^${T_US}([A-Za-z0-9_]+)_vtbl${T_POST_LBL}$/o ) {
$chk[++$i] = $_;
$chkcat[$i] = 'vector';
} elsif ( /^${T_US}[A-Za-z0-9_]/o
&& ( $TargetPlatform !~ /^hppa/ # need to avoid local labels in this case
- || ! /^L\$\d+$/ )
- && ( $TargetPlatform !~ /^powerpc|^rs6000/ # ditto
- || ! /^(L\.\.\d+|LT\.\..*):$/ ) ) {
+ || ! /^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}$/o # RTS internals (now dead?)
+ /^${T_US}stg_.*${T_POST_LBL}$/o # RTS internals
|| /^${T_US}__stg_.*${T_POST_LBL}$/o # more RTS internals
|| /^${T_US}__fexp_.*${T_POST_LBL}$/o # foreign export
+ || /^${T_US}.*_slow${T_POST_LBL}$/o # slow entry
|| /^${T_US}__stginit.*${T_POST_LBL}$/o # __stginit<module>
|| /^${T_US}.*_btm${T_POST_LBL}$/o # large bitmaps
+ || /^${T_US}.*_fast${T_POST_LBL}$/o # primops
|| /^${T_US}.*_closure_tbl${T_POST_LBL}$/o # closure tables
|| /^_uname:/o; # x86/Solaris2
$chk[++$i] = $_;
$chkcat[$i] = 'misc';
- if ($TargetPlatform =~ /^powerpc-|^rs6000-/)
- { $chksymb[$i] = $thing; }
- else { $chksymb[$i] = ''; };
+ $chksymb[$i] = '';
+ } elsif ( $TargetPlatform =~ /^powerpc-apple-.*/ && /^\.picsymbol_stub/ )
+ {
+ $chk[++$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] = $_;
+ $chkcat[$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] .= $_;
# HPPAs, MIPSen: also start medding at chunk 1
- if ($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+)\[TC\],(alt_\S+)/\t\.tc \1\[TC\],\.\2/;
- $chk[$i] =~ s/\t\.tc (\S+)\[TC\],(vtbl_\S+)/\t\.tc \1\[TC\],\.\2/;
-
- $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_TOSSABLE; $i < $numchks; $i++) {
$c = $chk[$i]; # convenience copy
# 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/^\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+,\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\$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;
+ } elsif ($TargetPlatform =~ /^powerpc-apple-.*/) {
+ $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//;
+
+ # 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";
}
-
+
# HWL HACK: dont die, just print a warning
- #print stderr "HWL: this should die! Prologue junk?: $p\n" if $p =~ /^\t[^\.]/
- # && $TargetPlatform !~ /^powerpc-/; #ToDo: remove test
- die "Prologue junk?: $p\n" if $p =~ /^\t[^\.]/
- && $TargetPlatform !~ /^powerpc-/; #ToDo: remove test
-
+ #print stderr "HWL: this should die! Prologue junk?: $p\n" if $p =~ /^\t[^\.]/;
+ die "Prologue junk?: $p\n" if $p =~ /^\s+[^\s\.]/;
+
+ if ($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//;
$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//;
- $e =~ s/^\tbl?r\n//;
+ } elsif ($TargetPlatform =~ /^powerpc-apple-.*/) {
+ $e =~ s/^\taddi r1,r1,\d+\n//;
+ $e =~ s/^\tcal r1,\d+\(r1\)\n//;
+ $e =~ s/^\tlw?z? r\d+,\d+\(r1\)\n//;
+ $e =~ s/^\tmtlr r0\n//;
+ $e =~ s/^\tblr\n//;
} else {
print STDERR "$Pgm: unknown epilogue mangling? $TargetPlatform\n";
}
- print STDERR "WARNING: Epilogue junk?: $e\n" if $e =~ /^\t\s*[^\.\s\n]/
- && $TargetPlatform !~ /^powerpc-/; #ToDo: remove test
+ print STDERR "WARNING: Epilogue junk?: $e\n" if $e =~ /^\t\s*[^\.\s\n]/;
# glue together what's left
$c = $r . $e;
# 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)
# blah_closure:
# ...
#
- if ( $TargetPlatform =~ /^(i386|sparc)/ && $to_move =~ /${T_COPY_DIRVS}/ ) {
+ if ( $TargetPlatform =~ /^(i386|sparc|powerpc)/ && $to_move =~ /${T_COPY_DIRVS}/ ) {
$j = $i + 1;
while ( $j < $numchks && $chk[$j] =~ /$T_CONST_LBL/) {
$j++;
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//;
if ( $chkcat[$i] eq 'misc' ) {
if ($chk[$i] ne '') {
print OUTASM $T_HDR_misc;
- if ($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] !~ /\__stginit_Main/) {
- print OUTASM "\.csect ${chksymb[$i]}[DS]\n";
- print OUTASM "${p}TOC[tc0], 0\n";
-#ok }
- }
}
} elsif ( $chkcat[$i] eq 'toss' ) {
} elsif ( $chkcat[$i] eq 'closure'
|| $chkcat[$i] eq 'srt'
|| $chkcat[$i] eq 'infotbl'
- || $chkcat[$i] eq 'slow'
- || $chkcat[$i] eq 'fast' ) { # do them in that order
+ || $chkcat[$i] eq 'entry') { # do them in that order
$symb = $chksymb[$i];
# CLOSURE
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/;
- print OUTASM $chk[$infochk{$symb}];
- } else {
- print OUTASM &rev_tbl($symb, $chk[$infochk{$symb}], 1);
- }
+ print OUTASM &rev_tbl($symb, $chk[$infochk{$symb}], 1);
+
# entry code will be put here!
$chkcat[$infochk{$symb}] = 'DONE ALREADY';
}
# STD ENTRY POINT
- if ( defined($slowchk{$symb}) ) {
-
- # 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/;
- } 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.
- $c =~ s/^\tmovl\s+\$${T_US}${symb}_fast\d*,\s*\%edx\n\tjmp\s+\*\%edx\n//;
- $c =~ s/^\tmovl\s+\$${T_US}${symb}_fast\d*,\s*\%ecx\n\tjmp\s+\*\%ecx\n//;
- $c =~ s/^\tmovl\s+\$${T_US}${symb}_fast\d*,\s*\%eax\n\tjmp\s+\*\%eax\n//;
- # 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 =~ /^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-/ ) {
- $c =~ s/^\tcall\s+${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)/$1/;
- } else {
- print STDERR "$Pgm: mystery slow-fast dropthrough: $TargetPlatform\n";
- }
- }
+ if ( defined($entrychk{$symb}) ) {
- if ( $TargetPlatform !~ /^(alpha-|hppa|mips-)/ ) {
- # On alphas, hppa: no very good way to look for "dangling"
- # references to fast-entry point.
- # (questionable re hppa and mips...)
- print STDERR "still has jump to fast entry point:\n$c"
- if $c =~ /\b${T_US}${symb}_fast/;
- }
+ $c = $chk[$entrychk{$symb}];
print OUTASM $T_HDR_entry;
&print_doctored($c, 1); # NB: the 1!!!
- $chkcat[$slowchk{$symb}] = 'DONE ALREADY';
+ $chkcat[$entrychk{$symb}] = 'DONE ALREADY';
}
- # FAST ENTRY POINT
- if ( defined($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
-#OLD: || $TargetPlatform =~ /^(m68k|sparc|i386)-/
- ) {
- print OUTASM $T_HDR_fast;
- }
- if ($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';
- }
-
} elsif ( $chkcat[$i] eq 'vector'
|| $chkcat[$i] eq 'direct' ) { # do them in that order
$symb = $chksymb[$i];
# VECTOR TABLE
if ( defined($vectorchk{$symb}) ) {
print OUTASM $T_HDR_vector;
- if ($TargetPlatform =~ /^powerpc-|^rs6000-/) {
- if ( $symb =~ /^[A-Z]/) {
- print OUTASM "\t\.globl \.${symb}_vtbl\n";
- print OUTASM "\t\.globl ${symb}_vtbl\n";
- };
- $chk[$vectorchk{$symb}] =~ s/\.long (\S+)/\.long \.\1/g;
- print OUTASM ".${symb}_vtbl:\n";
- print OUTASM $chk[$vectorchk{$symb}];
- } else {
- print OUTASM &rev_tbl($symb, $chk[$vectorchk{$symb}], 0);
- # DO NOT DELETE THE NEXT LINE. It fixes a rather subtle GC bug
- # which showed up as a segfault reported by Ryszard Kubiak.
- # Problem is with vector tables. They wind up as follows:
- # .word some-word
- # .word some-other-word
- # fooble_vtbl:
- # Problem is that we want the label fooble_vtbl to be considered
- # in the same section as the vtbl itself, but the label actually
- # lives at the next word along. If a data segment should happen
- # to immediately follow the vtbl, as it can in GHCi, the label will
- # be malclassified as in the data rather than text segment (during
- # GC), and so we will regard references to it as static closure
- # pointers rather than as code pointers, which is an error which
- # usually crashes the garbage collectors.
- # To fix this, we place a dummy word after the label, so as to
- # ensure that the label is in the same segment as the vtbl proper.
- # The native code generator has an analogous fix; see
- # ghc/compiler/nativeGen/AbsCStixGen.lhs line 107.
- print OUTASM "${T_create_word} 0\n";
- }
+ print OUTASM &rev_tbl($symb, $chk[$vectorchk{$symb}], 0);
+
# direct return code will be put here!
$chkcat[$vectorchk{$symb}] = 'DONE ALREADY';
$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");
}
print OUTASM $EXTERN_DECLS if $TargetPlatform =~ /^mips-/;
- if ($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");
close(INASM) || &tidy_up_and_die(1,"Failed reading from $in_asmf\n");
\end{code}
\begin{code}
-sub mash_hppa_prologue { # OK, epilogue, too
+sub hppa_mash_prologue { # OK, epilogue, too
local($_) = @_;
# 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;
- s/^\tjmp\s+\*(-?\d*)\((.*\%esi.*)\)\n/\tmovl $2,\%eax\n\tjmp \*$1\(\%eax\)\n/g;
+ s/^\tjmp\s+\*(.*\(.*\%esi.*\))\n/\tmovl $1,\%eax\n\tjmp \*\%eax\n/g;
s/^\tjmp\s+\*\%esi\n/\tmovl \%esi,\%eax\n\tjmp \*\%eax\n/g;
die "$Pgm: (mangler) still have jump involving \%esi!\n$_"
if /(jmp|call)\s+.*\%esi/;
}
if ($StolenX86Regs <= 3 ) { # spurious uses of edi?
s/^\tmovl\s+(.*),\s*\%edi\n\tjmp\s+\*%edi\n/\tmovl $1,\%eax\n\tjmp \*\%eax\n/g;
- s/^\tjmp\s+\*(-?\d*\(.*\%edi.*\))\n/\tmovl $1,\%eax\n\tjmp \*\%eax\n/g;
+ s/^\tjmp\s+\*(.*\(.*\%edi.*\))\n/\tmovl $1,\%eax\n\tjmp \*\%eax\n/g;
s/^\tjmp\s+\*\%edi\n/\tmovl \%edi,\%eax\n\tjmp \*\%eax\n/g;
die "$Pgm: (mangler) still have jump involving \%edi!\n$_"
if /(jmp|call)\s+.*\%edi/;
# Offsets into register table - you'd better update these magic
# numbers should you change its contents!
# local($OFFSET_R1)=0; No offset for R1 in new RTS.
- local($OFFSET_Hp)=92;
+ local($OFFSET_Hp)=88;
# Note funky ".=" stuff; we're *adding* to these _patch guys
if ( $StolenX86Regs <= 2
sub rev_tbl {
local($symb, $tbl, $discard1) = @_;
+ return ($tbl) if ($TargetPlatform =~ /^ia64-/);
+
local($before) = '';
local($label) = '';
local(@imports) = (); # hppa only
}
}
- # now throw away the first word (SRT) iff it is empty.
+ # Now throw away any initial zero word from the table. This is a hack
+ # that lets us reduce the size of info tables when the SRT field is not
+ # needed: see comments StgFunInfoTable in InfoTables.h.
+ #
# The .zero business is for Linux/ELF.
# The .skip business is for Sparc/Solaris/ELF.
# The .blockz business is for HPPA.
- if ($discard1 && $words[0] =~ /^\t?(${T_DOT_WORD}\s+0|\.zero\s+4|\.skip\s+4|\.blockz\s+4)/) {
- shift(@words)
- }
+# if ($discard1) {
+# if ($words[0] =~ /^\t?(${T_DOT_WORD}\s+0|\.zero\s+4|\.skip\s+4|\.blockz\s+4)/) {
+# shift(@words);
+# }
+# }
for (; $i <= $#lines; $i++) {
$after .= $lines[$i] . "\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;
-}
-\end{code}
\begin{code}
sub tidy_up_and_die {