Re: [PATCH 04/16] riscv: kprobes: Use generated instruction headers
Nam Cao <[email protected]>
| Newsgroups | org.infradead.lists.kvm-riscv,org.infradead.lists.linux-riscv,org.kernel.vger.kvm,org.kernel.vger.linux-kernel,org.kernel.vger.linux-kselftest |
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| Message-ID | <[email protected]> |
Charlie Jenkins via B4 Relay <[email protected]> writes: > bool __kprobes simulate_c_jr(u32 opcode, unsigned long addr, struct pt_regs *regs) > { > - return simulate_c_jr_jalr(opcode, addr, regs, false); > + unsigned long next_addr; > + unsigned long *regs_ptr = (unsigned long *)regs; > + > + next_addr = regs_ptr[riscv_insn_c_jr_extract_xs1(opcode)]; > + instruction_pointer_set(regs, next_addr); > + > + regs->ra = addr + 2; c.jr does not change ra. > + return true; > } We have CONFIG_RISCV_KPROBES_KUNIT now, please try that. Nam -- kvm-riscv mailing list [email protected] http://lists.infradead.org/mailman/listinfo/kvm-riscv