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(parent: 293d222) | patch
nds32/ftrace: Support static function tracer
authorZong Li <zong@andestech.com>
Wed, 15 Aug 2018 02:45:59 +0000 (10:45 +0800)
committerGreentime Hu <greentime@andestech.com>
Tue, 4 Sep 2018 06:45:17 +0000 (14:45 +0800)
commit3ab6f803fc58128bbea124badc166cac49ac8f75
tree96070f10fadd478d6f644d639b899d9bb9311650tree | snapshot
parent293d222228b666a2a3ea4e0454bdb43a6ea195e6commit | diff
nds32/ftrace: Support static function tracer

This patch support the static function tracer. On nds32 ABI, we need to
always push return address to stack for __builtin_return_address can
work correctly, otherwise, it will get the wrong value of $lp at leaf
function.

Signed-off-by: Zong Li <zong@andestech.com>
Acked-by: Greentime Hu <greentime@andestech.com>
Signed-off-by: Greentime Hu <greentime@andestech.com>
arch/nds32/Kconfig diff | blob | history
arch/nds32/Makefile diff | blob | history
arch/nds32/include/asm/ftrace.h [new file with mode: 0644] blob
arch/nds32/kernel/Makefile diff | blob | history
arch/nds32/kernel/ftrace.c [new file with mode: 0644] blob
Linux Kernel Source Tree.