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45 lines
1.1 KiB
45 lines
1.1 KiB
/* |
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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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