Richard Henderson writes:
> On 12/20/2011 03:07 PM, Ian Lance Taylor wrote:
>> __morestack_non_split:
>> +.cfi_startproc
>>
>> #ifndef __x86_64__
>> -addl$0x4000,4(%esp)
>> +
>> +# See below for an extended explanation of the CFI instructions.
>> +.cfi_offset 8, 8
On 12/20/2011 03:07 PM, Ian Lance Taylor wrote:
> __morestack_non_split:
> + .cfi_startproc
>
> #ifndef __x86_64__
> - addl$0x4000,4(%esp)
> +
> + # See below for an extended explanation of the CFI instructions.
> + .cfi_offset 8, 8# New PC stored at CFA + 8
When the gold linker sees a call from -fsplit-stack code to code
compiled without -fsplit-stack, it arranges for the function to call
__morestack_non_split instead of __morestack. The __morestack_non_split
function requests a larger stack, one that is large enough to run code
which doesn't know ab
