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Altera_Forum's avatar
Altera_Forum
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15 years ago

Gcc4 Frame Pointer Issue

I've been trying to write some code in an MPU exception handler to trap and dump the call stack when an intermittent exception occurs in our system and am pretty sure I've found a bug in the latest G...
Altera_Forum's avatar
Altera_Forum
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13 years ago

You won't get a backtrace without frame pointers (well not trivially).

There are some techniques that do work without having to look at the dwarf (or whatever the flavour of the month is) stack offset data.

If you aren't in a function that doesn't return, it is a SMOP to follow instructions forwards keeping track of %sp until you hit a return instruction.