"Paul McClean" <p.mccl...@kelvatek.com> wrote:
> I recently discovered that the int32_t and uint32_t typedefs in stdint.h
> are incorrect (at least on my target - AT90CAN128).
j@uriah 173% cat > sizeof.c
#include <stdint.h>
unsigned int sizeof_uint32_t(void)
{
return sizeof(uint32_t);
}
unsigned int sizeof_int32_t(void)
{
return sizeof(int32_t);
}
^D
j@uriah 174% avr-gcc -mmcu=at90can128 -Os -S sizeof.c
j@uriah 175% cat sizeof.s
.file "sizeof.c"
....
sizeof_uint32_t:
/* prologue: function */
/* frame size = 0 */
/* stack size = 0 */
..L__stack_usage = 0
ldi r24,lo8(4)
ldi r25,hi8(4)
/* epilogue start */
ret
.size sizeof_uint32_t, .-sizeof_uint32_t
..global sizeof_int32_t
.type sizeof_int32_t, @function
sizeof_int32_t:
/* prologue: function */
/* frame size = 0 */
/* stack size = 0 */
..L__stack_usage = 0
ldi r24,lo8(4)
ldi r25,hi8(4)
/* epilogue start */
ret
.size sizeof_int32_t, .-sizeof_int32_t
--
cheers, J"org .-.-. --... ...-- -.. . DL8DTL
http://www.sax.de/~joerg/ NIC: JW11-RIPE
Never trust an operating system you don't have sources for. ;-)
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