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Re: patch to improve i386 epilogue (version 2)
- To: law at cygnus dot com
- Subject: Re: patch to improve i386 epilogue (version 2)
- From: Jason Merrill <jason at cygnus dot com>
- Date: 21 Sep 1998 23:59:53 -0700
- Cc: John Wehle <john at feith dot com>, egcs-patches at cygnus dot com
- References: <10886.906439354@hurl.cygnus.com>
>>>>> Jeffrey A Law <law@cygnus.com> writes:
> It may be the case that gdb on the x86 can handle a frame pointerless
> function if it is a leaf (since the stack will not change during the
> execution of the function)
Nope. gdb needs the frame pointer to unwind the frame. DWARF 2 can
express all the necessary information for fp-less debugging, but gdb
doesn't currently handle .debug_frame/.eh_frame.
Jason