mirror of
git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
synced 2025-08-03 15:55:38 +00:00
a18082575c
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>
20 lines
437 B
C
20 lines
437 B
C
/* SPDX-License-Identifier: GPL-2.0 */
|
|
|
|
#ifndef __ASM_NDS32_FTRACE_H
|
|
#define __ASM_NDS32_FTRACE_H
|
|
|
|
#ifdef CONFIG_FUNCTION_TRACER
|
|
|
|
#define HAVE_FUNCTION_GRAPH_FP_TEST
|
|
|
|
#define MCOUNT_ADDR ((unsigned long)(_mcount))
|
|
/* mcount call is composed of three instructions:
|
|
* sethi + ori + jral
|
|
*/
|
|
#define MCOUNT_INSN_SIZE 12
|
|
|
|
extern void _mcount(unsigned long parent_ip);
|
|
|
|
#endif /* CONFIG_FUNCTION_TRACER */
|
|
|
|
#endif /* __ASM_NDS32_FTRACE_H */
|