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>
46 lines
1.1 KiB
C
46 lines
1.1 KiB
C
/*
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* This file is subject to the terms and conditions of the GNU General Public
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* License. See the file "COPYING" in the main directory of this archive
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* for more details.
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*/
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#ifndef __ASM_UPROBES_H
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#define __ASM_UPROBES_H
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#include <linux/notifier.h>
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#include <linux/types.h>
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#include <asm/break.h>
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#include <asm/inst.h>
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/*
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* We want this to be defined as union mips_instruction but that makes the
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* generic code blow up.
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*/
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typedef u32 uprobe_opcode_t;
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/*
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* Classic MIPS (note this implementation doesn't consider microMIPS yet)
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* instructions are always 4 bytes but in order to deal with branches and
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* their delay slots, we treat instructions as having 8 bytes maximum.
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*/
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#define MAX_UINSN_BYTES 8
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#define UPROBE_XOL_SLOT_BYTES 128 /* Max. cache line size */
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#define UPROBE_BRK_UPROBE 0x000d000d /* break 13 */
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#define UPROBE_BRK_UPROBE_XOL 0x000e000d /* break 14 */
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#define UPROBE_SWBP_INSN UPROBE_BRK_UPROBE
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#define UPROBE_SWBP_INSN_SIZE 4
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struct arch_uprobe {
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unsigned long resume_epc;
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u32 insn[2];
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u32 ixol[2];
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};
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struct arch_uprobe_task {
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unsigned long saved_trap_nr;
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};
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#endif /* __ASM_UPROBES_H */
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