[Buildroot] Segmentation faults after gcc update
Sven Neumann
s.neumann at raumfeld.com
Wed Sep 28 09:18:16 UTC 2011
On Tue, 2011-09-27 at 23:36 +0200, Thomas Petazzoni wrote:
> Le Tue, 27 Sep 2011 10:04:12 +0200,
> Sven Neumann <s.neumann at raumfeld.com> a écrit :
>
> > What could possibly be wrong here? Is there anything else I need to
> > change when changing the version of gcc?
>
> Other questions:
>
> * Is your CPU-specific compiler flags properly set ? Maybe they were
> slightly wrong but working with gcc 4.3, and they no longer generate
> appropriate code for your CPU with gcc 4.6. What is your CPU ? What
> CPU-specific compiler flags are you using ?
This is a Marvell PXA300:
Processor : XScale-V3 based processor rev 1 (v5l)
BogoMIPS : 206.64
Features : swp half thumb fastmult edsp iwmmxt
CPU implementer : 0x69
CPU architecture: 5TE
CPU variant : 0x0
CPU part : 0x688
CPU revision : 1
And the relevant parts of the buildroot config are:
BR2_iwmmxt=y
BR2_ARM_TYPE="ARM_IWMMXT"
BR2_ARM_EABI=y
BR2_ARCH="arm"
BR2_ENDIAN="LITTLE"
BR2_GCC_TARGET_TUNE="iwmmxt"
BR2_GCC_TARGET_ARCH="iwmmxt"
BR2_GCC_TARGET_ABI="aapcs-linux"
Regards,
Sven
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