[uClinux-dev] SAVE_STACK_SWITCH in system call.

Deepa Sivasankarane sdeepa69 at yahoo.com
Fri Mar 14 14:22:20 EST 2003

  This is the extended stack (switch_stack: asm-m68knommu/include/ptrace.h)
that gets saved, after pt_regs (SAVE_ALL),  
before calling signal handlers or  context switching (within system_call handler).
 amit bhor <amit_bhor at hotpop.com> wrote:hi,

I was looking through the uClinux m68k code and i see a SAVE_STACK_SWITCH 
before every system call. I thought the whole idea was to not save the 
scratch registers (callee saved). Am i right here ? I am looking at 

uClinux-dev mailing list
uClinux-dev at uclinux.org
This message was resent by uclinux-dev at uclinux.org

Do you Yahoo!?
Yahoo! Web Hosting - establish your business online
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://mailman.uclinux.org/pipermail/uclinux-dev/attachments/20030314/1d25cd14/attachment.html>

More information about the uClinux-dev mailing list