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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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89a3927a77
This patch implements FTRACE_WITH_REGS for csky, which allows a traced function's arguments (and some other registers) to be captured into a struct pt_regs, allowing these to be inspected and/or modified. Signed-off-by: Guo Ren <guoren@linux.alibaba.com>
32 lines
617 B
C
32 lines
617 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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// Copyright (C) 2018 Hangzhou C-SKY Microsystems co.,ltd.
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#ifndef __ASM_CSKY_FTRACE_H
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#define __ASM_CSKY_FTRACE_H
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#define MCOUNT_INSN_SIZE 14
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#define HAVE_FUNCTION_GRAPH_FP_TEST
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#define HAVE_FUNCTION_GRAPH_RET_ADDR_PTR
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#define ARCH_SUPPORTS_FTRACE_OPS 1
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#define MCOUNT_ADDR ((unsigned long)_mcount)
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#ifndef __ASSEMBLY__
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extern void _mcount(unsigned long);
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extern void ftrace_graph_call(void);
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static inline unsigned long ftrace_call_adjust(unsigned long addr)
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{
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return addr;
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}
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struct dyn_arch_ftrace {
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};
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#endif /* !__ASSEMBLY__ */
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#endif /* __ASM_CSKY_FTRACE_H */
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