[PATCH] Support .cfi_personality and .cfi_lsda directives

[Khem Raj]

Jakub Jelinek said the following on 11/02/2006 10:30 AM:
> On Thu, Nov 02, 2006 at 09:20:39AM -0800, Richard Henderson wrote:
>   
>> On Thu, Nov 02, 2006 at 05:28:13PM +0100, Jakub Jelinek wrote:
>>     
>>> http://sources.redhat.com/ml/binutils/2006-10/msg00378.html
>>>       
>> What's the purpose of the unused_cfi_data chain?
>> Since you're zeroing after reusing one, why don't
>> you just free them?
>>     
>
> Here is a patch which just uses xcalloc/free instead.
> Ok?
>
> 2006-11-02  Jakub Jelinek  <jakub@redhat.com>
>
> 	* subsegs.h (struct frchain): Add frch_cfi_data field.
> 	* dw2gencfi.c: Include subsegs.h.
> 	(cur_fde_data, last_address, cur_cfa_offset, cfa_save_stack): Removed.
> 	(struct frch_cfi_data): New type.
> 	(unused_cfi_data): New variable.
> 	(alloc_fde_entry): Move cur_fde_data, last_address, cur_cfa_offset
> 	and cfa_save_stack static vars into a structure pointed from
> 	each frchain.
> 	(alloc_cfi_insn_data, cfi_new_fde, cfi_end_fde, cfi_set_return_column,
> 	cfi_add_advance_loc, cfi_add_CFA_def_cfa, cfi_add_CFA_def_cfa_offset,
> 	cfi_add_CFA_remember_state, cfi_add_CFA_restore_state, dot_cfi,
> 	dot_cfi_escape, dot_cfi_startproc, dot_cfi_endproc, cfi_finish):
> 	Likewise.
>
> 	* gas/cfi/cfi-common-5.d: New test.
> 	* gas/cfi/cfi-common-5.s: New.
> 	* gas/cfi/cfi.exp: Add cfi-common-5 test.
>   
Hi Jakub

I am getting assembler errors while compiling attached testcase. 
(reduced from glibc)
xx.s: Assembler messages:
xx.s:6: Error: previous CFI entry not closed (missing .cfi_endproc)
Segmentation fault

Thanks

-- 
Khem Raj
MontaVista Software Inc.
kraj@mvista.com

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