Commit eca38799 authored by ken's avatar ken

[project @ 2002-09-06 01:00:04 by ken]

perl made uglier to work around the perl 5.7/5.8 bug documented at
http://bugs6.perl.org/rt2/Ticket/Display.html?id=1760 and illustrated
by the seg fault of perl -e '("x\n" x 5000) =~ /(.*\n)+/'

MERGE TO STABLE
parent 8435b2e4
......@@ -291,16 +291,24 @@ sub process_asm_block_iX86 {
$str = "\.text\n\t.align 4\n" . $str;
# remove/record any literal constants defined here
while ( ($str =~ /(\.?(LC\d+):\n(\t\.(ascii|string).*\n|\s*\.byte.*\n)+)/ )) {
# [perl made uglier to work around the perl 5.7/5.8 bug documented at
# http://bugs6.perl.org/rt2/Ticket/Display.html?id=1760 and illustrated
# by the seg fault of perl -e '("x\n" x 5000) =~ /(.*\n)+/'
# -- ccshan 2002-09-05]
while ( ($str =~ /(\.?(LC\d+):\n(\t\.(ascii|string).*\n|\s*\.byte.*\n){1,100})/ )) {
local($label) = $2;
local($body) = $1;
local($prefix, $suffix, $*) = ($`, $', 0);
&tidy_up_and_die(1,"Local constant label $label already defined!\n")
if $LocalConstant{$label};
while ( $suffix =~ /^((\t\.(ascii|string).*\n|\s*\.byte.*\n){1,100})/ ) {
$body .= $1;
$suffix = $';
}
$LocalConstant{$label} = $body;
$str =~ s/\.?LC\d+:\n(\t\.(ascii|string).*\n|\s*\.byte.*\n)+//;
$str = $prefix . $suffix;
}
# inject definitions for any local constants now used herein
......
Markdown is supported
0% or .
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment