37 lines
1.2 KiB
C
37 lines
1.2 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _LINUX_FTRACE_REGS_H
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#define _LINUX_FTRACE_REGS_H
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/*
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* For archs that just copy pt_regs in ftrace regs, it can use this default.
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* If an architecture does not use pt_regs, it must define all the below
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* accessor functions.
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*/
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#ifndef HAVE_ARCH_FTRACE_REGS
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struct __arch_ftrace_regs {
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struct pt_regs regs;
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};
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#define arch_ftrace_regs(fregs) ((struct __arch_ftrace_regs *)(fregs))
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struct ftrace_regs;
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#define ftrace_regs_get_instruction_pointer(fregs) \
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instruction_pointer(&arch_ftrace_regs(fregs)->regs)
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#define ftrace_regs_get_argument(fregs, n) \
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regs_get_kernel_argument(&arch_ftrace_regs(fregs)->regs, n)
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#define ftrace_regs_get_stack_pointer(fregs) \
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kernel_stack_pointer(&arch_ftrace_regs(fregs)->regs)
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#define ftrace_regs_get_return_value(fregs) \
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regs_return_value(&arch_ftrace_regs(fregs)->regs)
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#define ftrace_regs_set_return_value(fregs, ret) \
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regs_set_return_value(&arch_ftrace_regs(fregs)->regs, ret)
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#define ftrace_override_function_with_return(fregs) \
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override_function_with_return(&arch_ftrace_regs(fregs)->regs)
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#define ftrace_regs_query_register_offset(name) \
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regs_query_register_offset(name)
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#endif /* HAVE_ARCH_FTRACE_REGS */
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#endif /* _LINUX_FTRACE_REGS_H */
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