[antlr-interest] RE: Segmentation Fault under Cygwin 1.5.18-1

McCall, Kurt Kurt.E.McCall at nasa.gov
Wed Sep 7 13:40:06 PDT 2005


By the way, we are using a version of libantlr.a that we compiled, not the
pre-compiled Cygwin version on the ANTLR download page. 

> _____________________________________________ 
> From: 	McCall, Kurt  
> Sent:	Wednesday, September 07, 2005 3:29 PM
> To:	ANTLR (antlr-interest at antlr.org)
> Cc:	Adams, Warren; McCall, Kurt
> Subject:	Segmentation Fault under Cygwin 1.5.18-1
> 
> Here is a gdb stack trace after a mystifying segmentation fault in my C++
> ANTLR parser running under Cygwin 1.5.18.1.  It seems to be crashing the
> in the Cygwin dll.   Does this look familiar to anyone?  The ANTLR version
> is 2.7.5.
> 
> Program received signal SIGSEGV, Segmentation fault.
> 0x610aaee9 in setstate () from /usr/bin/cygwin1.dll
> (gdb) where
> #0  0x610aaee9 in setstate () from /usr/bin/cygwin1.dll
> #1  0x6104ed0a in lsearch () from /usr/bin/cygwin1.dll
> #2  0x610844ff in cygwin1!aclcheck () from /usr/bin/cygwin1.dll
> #3  0x006159cc in antlr::TokenRef::getRef ()
>     at /usr/lib/gcc/i686-pc-cygwin/3.4.4/include/c++/limits:673
> #4  0x00624628 in antlr::CommonToken::factory ()
>     at /usr/lib/gcc/i686-pc-cygwin/3.4.4/include/c++/limits:673
> #5  0x00649db6 in antlr::CharScanner::makeToken (this=0x6e1ddf0, t=4)
>     at /opt/antlr-2.7.5/include/antlr/CharScanner.hpp:495
> #6  0x0057a294 in ExprLexer::mSEMI (this=0x6e1ddf0, _createToken=true)
>     at ExprLexer.cpp:444
> #7  0x00578470 in ExprLexer::nextToken (this=0x6e1ddf0) at
> ExprLexer.cpp:99
> #8  0x0062320c in antlr::TokenBuffer::fill ()
>     at /usr/lib/gcc/i686-pc-cygwin/3.4.4/include/c++/limits:673
> #9  0x00623401 in antlr::TokenBuffer::LA ()
>     at /usr/lib/gcc/i686-pc-cygwin/3.4.4/include/c++/limits:673
> #10 0x0064ede5 in antlr::LLkParser::LA (this=0x6ecccb0, i=2)
>     at /opt/antlr-2.7.5/include/antlr/LLkParser.hpp:46
> #11 0x005862e8 in ExprParser::primary_expression (this=0x6ecccb0)
>     at ExprParser.cpp:1179
> < Rest of Stack Trace not shown  >
> 
> -------------------------------------
> Kurt McCall
> Modeling and Simulation Branch / EV43
> NASA MSFC
> (256) 961-4501
> 
> 
> 
> 
> 
> 
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