Mercurial > hg > truffle
view make/linux/adlc_updater @ 2320:41d4973cf100
6942326: x86 code in string_indexof() could read beyond reserved heap space
Summary: copy small (<8) strings on stack if str+16 crosses a page boundary and load from stack into XMM. Back up pointer when loading string's tail.
Reviewed-by: never
author | kvn |
---|---|
date | Sat, 26 Feb 2011 12:10:54 -0800 |
parents | a50abfc67f31 |
children |
line wrap: on
line source
#! /bin/sh # # This file is used by adlc.make to selectively update generated # adlc files. Because source and target diretories are relative # paths, this file is copied to the target build directory before # use. # # adlc-updater <file> <source-dir> <target-dir> # fix_lines() { # repair bare #line directives in $1 to refer to $2 awk < $1 > $1+ ' /^#line 999999$/ {print "#line " (NR+1) " \"" F2 "\""; next} {print} ' F2=$2 mv $1+ $1 } fix_lines $2/$1 $3/$1 [ -f $3/$1 ] && cmp -s $2/$1 $3/$1 || \ ( [ -f $3/$1 ] && echo Updating $3/$1 ; touch $2/made-change ; mv $2/$1 $3/$1 )