URL:
<http://savannah.nongnu.org/bugs/?33238>
Summary: Wrong _VECTORS_SIZE for mega8U2 et al
Project: AVR C Runtime Library
Submitted by: dkinzer
Submitted on: Thu 05 May 2011 08:52:11 AM PDT
Category: None
Severity: 3 - Normal
Priority: 5 - Normal
Item Group: libc code
Status: None
Percent Complete: 0%
Assigned to: None
Open/Closed: Open
Discussion Lock: Any
Release: 1.7.1
Fixed Release: None
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Details:
The mega8U2, mega16U2 and mega32U2 all have 28 interrupt vectors (not
including the reset vector) but the files iom8u2.h, iom16u2.h and iom32u2.h
all have _VECTORS_SIZE set to 38. Moreover, crtm8u2.o, crtm16u2.o and
crtm32u2.o are all built using this incorrect value resulting in an over-sized
vector table. The effect of this is only wasted Flash space, of course.
This error was found in the WinAVR_20100110 release and was probably present
in earlier releases as well.
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