xtensa: implement tracehook functions and enable HAVE_ARCH_TRACEHOOK

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Implement syscall_get_nr, syscall_rollback, syscall_get_error,
syscall_{get,set}_return_value and syscall_{get,set}_arguments.
Select HAVE_ARCH_TRACEHOOK as Xtensa now has all support for that.

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>

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Max Filippov 2018-11-09 15:45:53 -08:00

parent 921534473a

commit 9f24f3c106

2 changed files with 80 additions and 1 deletions

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1

arch/xtensa/Kconfig

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80

arch/xtensa/include/asm/syscall.h

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