svn commit: r328985 - head/sys/dev/usb/template
Hans Petter Selasky
hps at selasky.org
Wed Feb 7 22:54:32 UTC 2018
On 02/07/18 23:25, John Baldwin wrote:
> On Wednesday, February 07, 2018 06:46:08 PM Hans Petter Selasky wrote:
>> Author: hselasky
>> Date: Wed Feb 7 18:46:08 2018
>> New Revision: 328985
>> URL: https://svnweb.freebsd.org/changeset/base/328985
>>
>> Log:
>> Give USB template SYSUNINIT()'s a uniq name to avoid symbol name collision
>> when building stand/usb. Regression after r328194.
>
> This seems like a bug in the USB bits in stand instead. In the kernel
> SYSINIT and SYSUNINIT use separate namespace by appending different suffixes
> to the first parameter:
>
> DATA_SET(sysinit_set,uniquifier ## _sys_init)
>
> vs.
>
> DATA_SET(sysuninit_set,uniquifier ## _sys_uninit)
>
> The bug is in stand/kshim/bsd_kernel.h:
>
> #define SYSINIT(uniq, subs, order, _func, _data) \
> const struct sysinit UNIQ_NAME(sysinit_##uniq) = { \
> .func = (_func), \
> .data = __DECONST(void *, _data) \
> }; \
> SYSINIT_ENTRY(uniq##_entry, "sysinit", (subs), \
> (order), "const struct sysinit", \
> UNIQ_NAME_STR(sysinit_##uniq), "SYSINIT")
>
> #define SYSUNINIT(uniq, subs, order, _func, _data) \
> const struct sysinit UNIQ_NAME(sysuninit_##uniq) = { \
> .func = (_func), \
> .data = __DECONST(void *, _data) \
> }; \
> SYSINIT_ENTRY(uniq##_entry, "sysuninit", (subs), \
> (order), "const struct sysuninit", \
> UNIQ_NAME_STR(sysuninit_##uniq), "SYSUNINIT")
>
> This should be using uniq##_uninit_entry or some such for the first argument
> to SYSINIT_ENTRY().
>
It can be fixed either way. Feel free to fix the SYSINIT KSHIM macros.
You can test by running make in stand/usb/test .
--HPS
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