Greg Kroah-Hartman
598cf27219
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org Tested-by: Florian Fainelli <florian.fainelli@broadcom.com> Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com> Tested-by: Peter Schneider <pschneider1968@googlemail.com> Tested-by: Jon Hunter <jonathanh@nvidia.com> Tested-by: Salvatore Bonaccorso <carnil@debian.org> Tested-by: Brett A C Sheffield <bacs@librecast.net> Tested-by: Mark Brown <broonie@kernel.org> Tested-by: Luna Jernberg <droidbittin@gmail.com> Tested-by: Ronald Warsow <rwarsow@gmx.de> Tested-by: Justin M. Forbes <jforbes@fedoraproject.org> Tested-by: Ron Economos <re@w6rz.net> Tested-by: Miguel Ojeda <ojeda@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
44 lines
1.4 KiB
C
44 lines
1.4 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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#define ftrace_regs_get_frame_pointer(fregs) \
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frame_pointer(&arch_ftrace_regs(fregs)->regs)
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#endif /* HAVE_ARCH_FTRACE_REGS */
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/* This can be overridden by the architectures */
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#ifndef FTRACE_REGS_MAX_ARGS
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# define FTRACE_REGS_MAX_ARGS 6
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#endif
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#endif /* _LINUX_FTRACE_REGS_H */
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