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>
52 lines
1.0 KiB
C
52 lines
1.0 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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#ifndef _ASM_RISCV_UPROBES_H
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#define _ASM_RISCV_UPROBES_H
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#include <asm/probes.h>
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#include <asm/text-patching.h>
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#include <asm/bug.h>
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#define MAX_UINSN_BYTES 8
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#ifdef CONFIG_RISCV_ISA_C
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#define UPROBE_SWBP_INSN __BUG_INSN_16
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#define UPROBE_SWBP_INSN_SIZE 2
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#else
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#define UPROBE_SWBP_INSN __BUG_INSN_32
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#define UPROBE_SWBP_INSN_SIZE 4
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#endif
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#define UPROBE_XOL_SLOT_BYTES MAX_UINSN_BYTES
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typedef u32 uprobe_opcode_t;
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struct arch_uprobe_task {
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unsigned long saved_cause;
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};
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struct arch_uprobe {
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union {
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u8 insn[MAX_UINSN_BYTES];
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u8 ixol[MAX_UINSN_BYTES];
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};
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struct arch_probe_insn api;
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unsigned long insn_size;
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bool simulate;
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};
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#ifdef CONFIG_UPROBES
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bool uprobe_breakpoint_handler(struct pt_regs *regs);
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bool uprobe_single_step_handler(struct pt_regs *regs);
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#else
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static inline bool uprobe_breakpoint_handler(struct pt_regs *regs)
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{
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return false;
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}
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static inline bool uprobe_single_step_handler(struct pt_regs *regs)
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{
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return false;
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}
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#endif /* CONFIG_UPROBES */
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#endif /* _ASM_RISCV_UPROBES_H */
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