* MIPS backtrace question ...
@ 2006-07-19 10:22 chingfu
2006-07-19 10:28 ` Andrew Haley
0 siblings, 1 reply; 2+ messages in thread
From: chingfu @ 2006-07-19 10:22 UTC (permalink / raw)
To: gcc-help
Hi,
I work on mips platform but there are some problem when I debug. GCC
dispenses
with the frame pointer and uses only the stack pointer, which changes during
execution
of the procedure. I can not get frame pointer to find ra and next frame. And
I still not
found good solution after I search from google.
How do I traverse back to get the information about previous frame and
the
subsequent ? Is only way to use external GDB/ICE ?
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^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: MIPS backtrace question ...
2006-07-19 10:22 MIPS backtrace question chingfu
@ 2006-07-19 10:28 ` Andrew Haley
0 siblings, 0 replies; 2+ messages in thread
From: Andrew Haley @ 2006-07-19 10:28 UTC (permalink / raw)
To: chingfu; +Cc: gcc-help
chingfu writes:
>
> Hi,
> I work on mips platform but there are some problem when I debug. GCC
> dispenses
> with the frame pointer and uses only the stack pointer, which changes during
> execution
> of the procedure. I can not get frame pointer to find ra and next frame. And
> I still not
> found good solution after I search from google.
> How do I traverse back to get the information about previous frame and
> the
> subsequent ? Is only way to use external GDB/ICE ?
Recent versions of gdb and backtrace() use DWARF debuginfo to do the
unwinding. That's the only way to make it work as far as I know,
although you may use -fno-omit-frame-pointer.
Andrew.
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2006-07-19 10:22 MIPS backtrace question chingfu
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