Re: smc #0 unsuppored (bug 669912) gcc-4.5 linux-2.6.38

2011-04-19 Thread Dave Martin
On Mon, Apr 18, 2011 at 12:00:02PM -0700, Andy Doan wrote: > On 04/18/2011 11:54 AM, AJ ONeal wrote: > > I just did `git checkout` for linaro/linux-2.6.38 and tried compiling > > with CROSS_COMPILE=arm-linux-gnueabi- and I get this smc #0 error. > > > > The bug filed here is marked as fixed, but i

Re: undefined reference to __aeabi_unwind_cpp_pr0

2011-04-19 Thread Dave Martin
On Tue, Apr 19, 2011 at 10:58:28AM +1200, Michael Hope wrote: > Hi AJ. Exception support can still be turned on in C code when it's > supposed to interoperate with C++ code. An example is the 64 bit > division routine in libgcc - it could potentially throw a division by > zero exception when call

Question on compressed vmlinux .got and .bss sections

2011-04-19 Thread Shawn Guo
Hi toolchain, kernel folks, I'm seeing an interesting thing on .got and .bss sections of arch/arm/boot/compressed/vmlinux, and really need your expertise to shed some lights. I have an uninitialized variable 'uart_base' defined in misc.c. static unsigned long uart_base; $ arm-linux-gnueabi-objd

Re: Question on compressed vmlinux .got and .bss sections

2011-04-19 Thread Dave Martin
On Tue, Apr 19, 2011 at 06:13:01PM +0800, Shawn Guo wrote: > Hi toolchain, kernel folks, > > I'm seeing an interesting thing on .got and .bss sections of > arch/arm/boot/compressed/vmlinux, and really need your expertise to > shed some lights. > > I have an uninitialized variable 'uart_base' defi

Re: Question on compressed vmlinux .got and .bss sections

2011-04-19 Thread Shawn Guo
On Tue, Apr 19, 2011 at 04:23:09PM +0100, Dave Martin wrote: > Hopefully this explains what's going on, but what are you trying > to achieve exactly? > Thanks a ton, Dave. It does explain what I'm seeing, and your explanation looks like a very good learning material. I'm running into a problem

Re: Question on compressed vmlinux .got and .bss sections

2011-04-19 Thread Dave Martin
On Wed, Apr 20, 2011 at 12:08:56AM +0800, Shawn Guo wrote: > On Tue, Apr 19, 2011 at 04:23:09PM +0100, Dave Martin wrote: > > Hopefully this explains what's going on, but what are you trying > > to achieve exactly? > > > Thanks a ton, Dave. It does explain what I'm seeing, and your > explanation

Re: Question on compressed vmlinux .got and .bss sections

2011-04-19 Thread Nicolas Pitre
On Wed, 20 Apr 2011, Shawn Guo wrote: > On Tue, Apr 19, 2011 at 04:23:09PM +0100, Dave Martin wrote: > > Hopefully this explains what's going on, but what are you trying > > to achieve exactly? > > > Thanks a ton, Dave. It does explain what I'm seeing, and your > explanation looks like a very go

Re: Question on compressed vmlinux .got and .bss sections

2011-04-19 Thread Nicolas Pitre
On Tue, 19 Apr 2011, Dave Martin wrote: > So, if I understand correctly, because .bss doesn't take space in > the zImage, when the dtb is appended, it effectively ends up on top of > the bss/stack area? Yes. However... > Since the compressed kernel loader knows how big bss and the stack > are, m

Test log comparison

2011-04-19 Thread Michael Hope
I've fixed up the testcompare pages on ex.seabright.co.nz. It was getting confused by parallel testsuite runs and couldn't handle the results jumping about. I've also added a filter to buildlog that does a prefix match. Going to: http://ex.seabright.co.nz/helpers/buildlog/gcc-linaro shows just

Sessions for the summit

2011-04-19 Thread Michael Hope
Hi there. A first-pass list of summit sessions is up at: https://wiki.linaro.org/MichaelHope/Sandbox/Blueprints The next step is to investigate these areas and come up with a basic plan that can be discussed during the summit. I've put your names against the sessions as follows: Andrew: B