[avr-libc-dev] [bug #22415] malloc and realloc not using SPH in winavr20071221

[CurtVM]

URL:
  <http://savannah.nongnu.org/bugs/?22415>

                 Summary: malloc and realloc not using SPH in winavr20071221
                 Project: AVR C Runtime Library
            Submitted by: curtvm
            Submitted on: Monday 02/25/2008 at 17:26
                Category: Library
                Severity: 3 - Normal
                Priority: 5 - Normal
              Item Group: libc code
                  Status: None
        Percent Complete: 0%
             Assigned to: None
        Originator Email: 
             Open/Closed: Open
         Discussion Lock: Any

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Details:

WinAVR20071221-
malloc.o and realloc.o in every libc.a is missing the use of SPH when getting
the stack pointer.

This line from malloc.c, which should be getting the SP-
cp = STACK_POINTER() - __malloc_margin;

ends up only getting SPL-
 114:   8d b7           in      r24, 0x3d       ; 61
 116:   28 2f           mov     r18, r24
 118:   30 e0           ldi     r19, 0x00       ; 0

SPH is not being used.

avr freaks thread-
http://www.avrfreaks.net/index.php?name=PNphpBB2&file=viewtopic&t=60233&start=20&postdays=0&postorder=asc&highlight=






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