/* * This file is subject to the terms and conditions of the GNU General Public * License. See the file "COPYING" in the main directory of this archive * for more details. */ #ifndef __ASM_UPROBES_H #define __ASM_UPROBES_H #include <linux/notifier.h> #include <linux/types.h> #include <asm/break.h> #include <asm/inst.h> /* * We want this to be defined as union mips_instruction but that makes the * generic code blow up. */ typedef u32 uprobe_opcode_t; /* * Classic MIPS (note this implementation doesn't consider microMIPS yet) * instructions are always 4 bytes but in order to deal with branches and * their delay slots, we treat instructions as having 8 bytes maximum. */ #define MAX_UINSN_BYTES 8 #define UPROBE_XOL_SLOT_BYTES 128 /* Max. cache line size */ #define UPROBE_BRK_UPROBE 0x000d000d /* break 13 */ #define UPROBE_BRK_UPROBE_XOL 0x000e000d /* break 14 */ #define UPROBE_SWBP_INSN UPROBE_BRK_UPROBE #define UPROBE_SWBP_INSN_SIZE 4 struct arch_uprobe { unsigned long resume_epc; u32 insn[2]; u32 ixol[2]; }; struct arch_uprobe_task { unsigned long saved_trap_nr; }; extern int arch_uprobe_analyze_insn(struct arch_uprobe *aup, struct mm_struct *mm, unsigned long addr); extern int arch_uprobe_pre_xol(struct arch_uprobe *aup, struct pt_regs *regs); extern int arch_uprobe_post_xol(struct arch_uprobe *aup, struct pt_regs *regs); extern bool arch_uprobe_xol_was_trapped(struct task_struct *tsk); extern int arch_uprobe_exception_notify(struct notifier_block *self, unsigned long val, void *data); extern void arch_uprobe_abort_xol(struct arch_uprobe *aup, struct pt_regs *regs); extern unsigned long arch_uretprobe_hijack_return_addr( unsigned long trampoline_vaddr, struct pt_regs *regs); #endif /* __ASM_UPROBES_H */Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp | |
| ralf baechle | ralf baechle | 192 | 100.00% | 1 | 100.00% |
| Total | 192 | 100.00% | 1 | 100.00% |