Re: [PATCH, boehm-gc, AArch64] Add AArch64 support

[Yvan Roux <yvan dot roux at linaro dot org>]

Hi Marcus,

thanks for pointing this, but unfortunately I don't have the svn write
access for the moment, thus
if somebody can commit it for me, i would be very thankful.

Cheers,
Yvan

On 11 April 2013 13:02, Marcus Shawcroft <marcus.shawcroft@gmail.com> wrote:
> Hi Yvan,  My understanding of the 'Free for all' section of
> http://gcc.gnu.org/svnwrite.html#policies is that since this is a
> backport from an upstream project you do not need to seek further
> approval to commit this change.
>
> Cheers
> /Marcus
>
> On 2 April 2013 11:50, Yvan Roux <yvan.roux@linaro.org> wrote:
>> Ping (second try)
>>
>> Sorry if you received it twice, it seems that my gmail account
>> switched in text/html mode :(
>>
>> Many thanks,
>> Yvan
>>
>> On 2 April 2013 11:21, Yvan Roux <yvan.roux@linaro.org> wrote:
>>>
>>> Ping
>>>
>>>
>>> On 17 March 2013 21:34, Yvan Roux <yvan.roux@linaro.org> wrote:
>>>>
>>>> Hi,
>>>>
>>>> this is a backport from gc mainline of the basic AArch64 support (it
>>>> covers the Linux and bare machine mode). I tested it on the Foundation
>>>> model with enabling the objc frontend, and passing the testsuite
>>>> manually (maybe I miss-configured it, but it seems that the boehm-gc
>>>> testsuite is not cross-environment friendly, as the gctest script
>>>> looks for the host gcc build tree), and everything is fine, except the
>>>> thread_leak_test which has a different output than the x86 one:
>>>>
>>>> x86 thread_leak_test output
>>>>
>>>> Leaked composite object at 0x2aaaaab05fe0
>>>>
>>>> (/work/sources/gcc-fsf/bgc/boehm-gc/testsuite/boehm-gc.c/thread_leak_test.c:21,
>>>> sz=4, NORMAL)
>>>>
>>>> Leaked composite object at start: 0x2aaaaab03fa0, appr. length: 40
>>>> Leaked composite object at 0x2aaaaab05ec0
>>>>
>>>> (/work/sources/gcc-fsf/bgc/boehm-gc/testsuite/boehm-gc.c/thread_leak_test.c:21,
>>>> sz=4, NORMAL)
>>>>
>>>> Leaked composite object at 0x2aaaaab05f20
>>>>
>>>> (/work/sources/gcc-fsf/bgc/boehm-gc/testsuite/boehm-gc.c/thread_leak_test.c:21,
>>>> sz=4, NORMAL)
>>>>
>>>> Leaked composite object at start: 0x2aaaaab03f50, appr. length: 40
>>>> Leaked composite object at start: 0x2aaaaab03f78, appr. length: 40
>>>> Leaked composite object at 0x2aaaaab05ef0
>>>>
>>>> (/work/sources/gcc-fsf/bgc/boehm-gc/testsuite/boehm-gc.c/thread_leak_test.c:21,
>>>> sz=4, NORMAL)
>>>>
>>>> Leaked composite object at start: 0x2aaaaab03fa0, appr. length: 40
>>>> Leaked composite object at 0x2aaaaab05e00
>>>>
>>>> (/work/sources/gcc-fsf/bgc/boehm-gc/testsuite/boehm-gc.c/thread_leak_test.c:21,
>>>> sz=4, NORMAL)
>>>>
>>>> Leaked composite object at start: 0x2aaaaab03f78, appr. length: 40
>>>>
>>>> AArch64 thread_leak_test output:
>>>>
>>>> Leaked composite object at 0x7f91e14ef0
>>>>
>>>> (/work/sources/gcc-fsf/bgc/boehm-gc/testsuite/boehm-gc.c/thread_leak_test.c:21,
>>>> sz=4, NORMAL)
>>>>
>>>> Leaked composite object at 0x7f91e14fe0
>>>>
>>>> (/work/sources/gcc-fsf/bgc/boehm-gc/testsuite/boehm-gc.c/thread_leak_test.c:21,
>>>> sz=4, NORMAL)
>>>>
>>>> Leaked composite object at 0x7f91e14e00
>>>>
>>>> (/work/sources/gcc-fsf/bgc/boehm-gc/testsuite/boehm-gc.c/thread_leak_test.c:21,
>>>> sz=4, NORMAL)
>>>>
>>>> Leaked composite object at 0x7f91e14e30
>>>>
>>>> (/work/sources/gcc-fsf/bgc/boehm-gc/testsuite/boehm-gc.c/thread_leak_test.c:21,
>>>> sz=4, NORMAL)
>>>>
>>>> Leaked composite object at 0x7f91e14fe0
>>>>
>>>> (/work/sources/gcc-fsf/bgc/boehm-gc/testsuite/boehm-gc.c/thread_leak_test.c:21,
>>>> sz=4, NORMAL)
>>>>
>>>>
>>>> Regards,
>>>> Yvan
>>>>
>>>> 2013-03-16  Yvan Roux <yvan.roux@linaro.org>
>>>>
>>>>         * include/private/gcconfig.h (AARCH64): New macro (defined
>>>> only if
>>>>         __aarch64__).
>>>>         * include/private/gcconfig.h (mach_type_known): Update comment
>>>> adding
>>>>         ARM AArch64 target.
>>>>         * include/private/gcconfig.h (NOSYS, mach_type_known,
>>>> CPP_WORDSZ,
>>>>         MACH_TYPE, ALIGNMENT, HBLKSIZE, OS_TYPE, LINUX_STACKBOTTOM,
>>>>         USE_GENERIC_PUSH_REGS, DYNAMIC_LOADING, DATASTART, DATAEND,
>>>>         STACKBOTTOM): Define for AArch64.
>>>
>>>