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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
Icon for Honored Contributor rankHonored Contributor
13 years ago

It appears to be a real bug. I've already chased -fno-omit-frame-pointer quite a bit. Also turns out that -O1, or just about anything other than -O0, will also turn off frame pointers. I think I have that part nailed down, but it still seems that half the functions have the correct prologue, while others don't. I'm getting the exact same results as the first post in this thread.