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[Bug libc/221] C++ throw terminates ucontext_t context, instead of returning via uc_link
- From: "jakub at redhat dot com" <sourceware-bugzilla at sources dot redhat dot com>
- To: glibc-bugs at sources dot redhat dot com
- Date: 18 Jun 2004 11:18:04 -0000
- Subject: [Bug libc/221] C++ throw terminates ucontext_t context, instead of returning via uc_link
- References: <20040616095113.221.a.darovskikh@compassplus.ru>
- Reply-to: sourceware-bugzilla at sources dot redhat dot com
------- Additional Comments From jakub at redhat dot com 2004-06-18 11:18 -------
I don't think anything like this is required by any standards.
For each target, one would have to describe the makecontext helper behaviour
in terms of DWARF2/3 unwind info. Say on i386, the helper increases stack
pointer by 4 * %ebx (easy), reads link pointer from the stack, then needs
conditionally go to an area without unwind info (exit case) or simulate the
effect of setcontext call.
--
http://sources.redhat.com/bugzilla/show_bug.cgi?id=221
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