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View Code? Open in Web Editor NEWEmbedded GDB server implementation for 8-bit AVR MCU
Embedded GDB server implementation for 8-bit AVR MCU
In line 812 following (gdb.c), you write:
XXX: this is ugly kludge, but what can I do?
AVR puts return address on stack with garbage in high
bits (they say you should mask out them, see Stack Pointer
section at every AVR datasheet), but how can I understand
that this word is ret address? To have valid backtrace in
gdb, I'am required to mask every word, which address belongs
to stack.
The "ugly kludge" leads to displaying wrong values of local variables by gdb! I tried to verify the problem you mentioned, but did not find anything in the AVR data sheets. Can you point out the document that describes this phenomenon?
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