Re: [PATCH] elf.h: add PT_GNU_SFRAME

[Indu Bhagat <indu.bhagat@oracle.com>]

On 1/18/23 05:09, Florian Weimer wrote:
> * Indu Bhagat via Libc-alpha:
> 
>> Support for SFrame format is available in Binutils 2.40.  The GNU ld merges
>> the input .sframe sections and creates an output .sframe section in a
>> segment PT_GNU_SFRAME.
>> ---
>>   elf/elf.h | 1 +
>>   1 file changed, 1 insertion(+)
>>
>> diff --git a/elf/elf.h b/elf/elf.h
>> index b6a75c13a8..9692200f6f 100644
>> --- a/elf/elf.h
>> +++ b/elf/elf.h
>> @@ -728,6 +728,7 @@ typedef struct
>>   #define PT_GNU_STACK	0x6474e551	/* Indicates stack executability */
>>   #define PT_GNU_RELRO	0x6474e552	/* Read-only after relocation */
>>   #define PT_GNU_PROPERTY	0x6474e553	/* GNU property */
>> +#define PT_GNU_SFRAME	0x6474e554	/* SFrame segment.  */
>>   #define PT_LOSUNW	0x6ffffffa
>>   #define PT_SUNWBSS	0x6ffffffa	/* Sun Specific segment */
>>   #define PT_SUNWSTACK	0x6ffffffb	/* Stack segment */
> 
> Please submit this to the gnu-gabi list as well, preferably with a
> documentation patch.
> 

Thanks. A patch was posted to gnu-gabi 
https://sourceware.org/pipermail/gnu-gabi/2023q1/000522.html

(BTW, on the Binutils side, the patch to update documentation to use 
"stack trace" instead of "unwind" for SFrame, has been committed).

Thanks
Indu

> Thanks,
> Florian
>