c++/4356: Exception handling does not work at all for NetBSD/i386ELF target

[Krister Walfridsson]

On Tue, 16 Oct 2001, Richard Henderson wrote:

> On Mon, Oct 15, 2001 at 11:25:45PM +0200, Krister Walfridsson wrote:
> >         * config/i386/netbsd-elf.h (ASM_OUTPUT_ADDR_DIFF_ELT): Define.
> >         (JUMP_TABLES_IN_TEXT_SECTION): Define.
>
> Err..  This has nothing at all to do with exception handling.
> It has everything to do with switch statements.

Well, in the process of throwing/catching an exception we run some
code.  Among other, the function read_encoded_value_with_base() in
eh_personality.cc.  And that function has a switch statment...

Sorry for being unclear about the actual failure in my previous mail.


> So what is the actual problem here, given that readonly_data_section
> will fall back to text_section on a.out systems?

But this is not an a.out system...

Actually I have no clue if JUMP_TABLES_IN_TEXT_SECTION is needed, but
the FreeBSD ELF version has a comment claiming it is necessary. And
NetBSD and FreeBSD is nearly identical, so if it is needed by FreeBSD,
then it is needed by NetBSD too...

   /Krister