https://sourceware.org/bugzilla/show_bug.cgi?id=22267
H.J. Lu <hjl.tools at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |hjl.tools at gmail dot com
--- Comment #2 from H.J. Lu <hjl.tools at gmail dot com> ---
Don't know why "~' is allowed as the first char in symbol name.
This patch disallows it:
diff --git a/ld/ldlex.l b/ld/ldlex.l
index ba618ecc27..795a4d7c8e 100644
--- a/ld/ldlex.l
+++ b/ld/ldlex.l
@@ -94,6 +94,7 @@ static void lex_warn_invalid (char *where, char *what);
CMDFILENAMECHAR [_a-zA-Z0-9\/\.\\_\+\$\:\[\]\\\,\=\&\!\<\>\-\~]
CMDFILENAMECHAR1 [_a-zA-Z0-9\/\.\\_\+\$\:\[\]\\\,\=\&\!\<\>\~]
FILENAMECHAR1 [_a-zA-Z\/\.\\\$\_\~]
+SYMBOLNAMECHAR1 [_a-zA-Z\/\.\\\$\_]
SYMBOLCHARN [_a-zA-Z\/\.\\\$\_\~0-9]
FILENAMECHAR [_a-zA-Z0-9\/\.\-\_\+\=\$\:\[\]\\\,\~]
WILDCHAR [_a-zA-Z0-9\/\.\-\_\+\=\$\:\[\]\\\,\~\?\*\^\!]
@@ -136,7 +137,7 @@ V_IDENTIFIER
[*?.$_a-zA-Z\[\]\-\!\^\\]([*?.$_a-zA-Z0-9\[\]\-\!\^\\]|::)*
<DEFSYMEXP>"-" { RTOKEN('-');}
<DEFSYMEXP>"+" { RTOKEN('+');}
-<DEFSYMEXP>{FILENAMECHAR1}{SYMBOLCHARN}* { yylval.name = xstrdup (yytext);
return NAME; }
+<DEFSYMEXP>{SYMBOLNAMECHAR1}{SYMBOLCHARN}* { yylval.name = xstrdup (yytext);
return NAME; }
<DEFSYMEXP>"=" { RTOKEN('='); }
<MRI,EXPRESSION>"$"([0-9A-Fa-f])+ {
@@ -390,7 +391,7 @@ V_IDENTIFIER
[*?.$_a-zA-Z\[\]\-\!\^\\]([*?.$_a-zA-Z0-9\[\]\-\!\^\\]|::)*
yylval.name = xstrdup (yytext + 2);
return LNAME;
}
-<EXPRESSION>{FILENAMECHAR1}{NOCFILENAMECHAR}* {
+<EXPRESSION>{SYMBOLNAMECHAR1}{NOCFILENAMECHAR}* {
yylval.name = xstrdup (yytext);
return NAME;
}
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