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Searched refs:ainsn (Results 1 – 25 of 27) sorted by relevance

12

/linux-6.6.21/arch/arc/kernel/
Dkprobes.c31 p->ainsn.is_short = is_short_instr((unsigned long)p->addr); in arch_prepare_kprobe()
58 if (p->ainsn.t1_addr) { in arch_remove_kprobe()
59 *(p->ainsn.t1_addr) = p->ainsn.t1_opcode; in arch_remove_kprobe()
61 flush_icache_range((unsigned long)p->ainsn.t1_addr, in arch_remove_kprobe()
62 (unsigned long)p->ainsn.t1_addr + in arch_remove_kprobe()
65 p->ainsn.t1_addr = NULL; in arch_remove_kprobe()
68 if (p->ainsn.t2_addr) { in arch_remove_kprobe()
69 *(p->ainsn.t2_addr) = p->ainsn.t2_opcode; in arch_remove_kprobe()
71 flush_icache_range((unsigned long)p->ainsn.t2_addr, in arch_remove_kprobe()
72 (unsigned long)p->ainsn.t2_addr + in arch_remove_kprobe()
[all …]
/linux-6.6.21/arch/x86/kernel/kprobes/
Dcore.c430 synthesize_reljump(buf + len, p->ainsn.insn + len, in prepare_singlestep()
433 p->ainsn.boostable = 1; in prepare_singlestep()
468 switch (p->ainsn.opcode) { in kprobe_emulate_ifmodifiers()
482 regs->ip = regs->ip - INT3_INSN_SIZE + p->ainsn.size; in kprobe_emulate_ifmodifiers()
494 unsigned long func = regs->ip - INT3_INSN_SIZE + p->ainsn.size; in kprobe_emulate_call()
496 func += p->ainsn.rel32; in kprobe_emulate_call()
503 unsigned long ip = regs->ip - INT3_INSN_SIZE + p->ainsn.size; in kprobe_emulate_jmp()
505 ip += p->ainsn.rel32; in kprobe_emulate_jmp()
512 unsigned long ip = regs->ip - INT3_INSN_SIZE + p->ainsn.size; in kprobe_emulate_jcc()
514 int3_emulate_jcc(regs, p->ainsn.jcc.type, ip, p->ainsn.rel32); in kprobe_emulate_jcc()
[all …]
Dftrace.c67 p->ainsn.insn = NULL; in arch_prepare_kprobe_ftrace()
68 p->ainsn.boostable = false; in arch_prepare_kprobe_ftrace()
/linux-6.6.21/arch/ia64/kernel/
Dkprobes.c90 p->ainsn.inst_flag = 0; in update_kprobe_inst_flag()
91 p->ainsn.target_br_reg = 0; in update_kprobe_inst_flag()
92 p->ainsn.slot = slot; in update_kprobe_inst_flag()
101 p->ainsn.inst_flag |= INST_FLAG_BREAK_INST; in update_kprobe_inst_flag()
108 p->ainsn.inst_flag |= INST_FLAG_FIX_BRANCH_REG; in update_kprobe_inst_flag()
109 p->ainsn.target_br_reg = ((kprobe_inst >> 6) & 0x7); in update_kprobe_inst_flag()
113 p->ainsn.inst_flag |= INST_FLAG_FIX_RELATIVE_IP_ADDR; in update_kprobe_inst_flag()
116 p->ainsn.inst_flag |= INST_FLAG_FIX_RELATIVE_IP_ADDR; in update_kprobe_inst_flag()
117 p->ainsn.inst_flag |= INST_FLAG_FIX_BRANCH_REG; in update_kprobe_inst_flag()
118 p->ainsn.target_br_reg = ((kprobe_inst >> 6) & 0x7); in update_kprobe_inst_flag()
[all …]
/linux-6.6.21/arch/loongarch/kernel/
Dkprobes.c15 p->ainsn.insn[0] = *p->addr; in arch_prepare_ss_slot()
16 p->ainsn.insn[1] = KPROBE_SSTEPBP_INSN; in arch_prepare_ss_slot()
17 p->ainsn.restore = (unsigned long)p->addr + LOONGARCH_INSN_SIZE; in arch_prepare_ss_slot()
23 p->ainsn.restore = 0; in arch_prepare_simulate()
43 p->ainsn.insn = NULL; in arch_prepare_kprobe()
45 p->ainsn.insn = get_insn_slot(); in arch_prepare_kprobe()
46 if (!p->ainsn.insn) in arch_prepare_kprobe()
51 if (p->ainsn.insn) in arch_prepare_kprobe()
78 if (p->ainsn.insn) { in arch_remove_kprobe()
79 free_insn_slot(p->ainsn.insn, 0); in arch_remove_kprobe()
[all …]
Dftrace_dyn.c338 p->ainsn.insn = NULL; in arch_prepare_kprobe_ftrace()
/linux-6.6.21/arch/arm64/kernel/probes/
Dkprobes.c46 kprobe_opcode_t *addr = p->ainsn.api.insn; in arch_prepare_ss_slot()
73 p->ainsn.api.restore = (unsigned long) p->addr + in arch_prepare_ss_slot()
80 p->ainsn.api.restore = 0; in arch_prepare_simulate()
87 if (p->ainsn.api.handler) in arch_simulate_insn()
88 p->ainsn.api.handler((u32)p->opcode, (long)p->addr, regs); in arch_simulate_insn()
108 switch (arm_kprobe_decode_insn(p->addr, &p->ainsn)) { in arch_prepare_kprobe()
113 p->ainsn.api.insn = NULL; in arch_prepare_kprobe()
117 p->ainsn.api.insn = get_insn_slot(); in arch_prepare_kprobe()
118 if (!p->ainsn.api.insn) in arch_prepare_kprobe()
124 if (p->ainsn.api.insn) in arch_prepare_kprobe()
[all …]
/linux-6.6.21/arch/arm/probes/kprobes/
Dcore.c85 p->ainsn.insn = tmp_insn; in arch_prepare_kprobe()
87 switch ((*decode_insn)(insn, &p->ainsn, true, actions, checkers)) { in arch_prepare_kprobe()
92 p->ainsn.insn = get_insn_slot(); in arch_prepare_kprobe()
93 if (!p->ainsn.insn) in arch_prepare_kprobe()
96 p->ainsn.insn[is] = tmp_insn[is]; in arch_prepare_kprobe()
97 flush_insns(p->ainsn.insn, in arch_prepare_kprobe()
98 sizeof(p->ainsn.insn[0]) * MAX_INSN_SIZE); in arch_prepare_kprobe()
99 p->ainsn.insn_fn = (probes_insn_fn_t *) in arch_prepare_kprobe()
100 ((uintptr_t)p->ainsn.insn | thumb); in arch_prepare_kprobe()
104 p->ainsn.insn = NULL; in arch_prepare_kprobe()
[all …]
Dopt-arm.c127 if (kp->ainsn.stack_space < 0) in can_optimize()
133 if (kp->ainsn.stack_space > 255 - sizeof(struct pt_regs)) in can_optimize()
175 if (!p->ainsn.kprobe_direct_exec) in optimized_callback()
176 op->kp.ainsn.insn_singlestep(p->opcode, &p->ainsn, regs); in optimized_callback()
239 BUG_ON(orig->ainsn.stack_space < 0); in NOKPROBE_SYMBOL()
241 stack_protect += orig->ainsn.stack_space; in NOKPROBE_SYMBOL()
260 orig->ainsn.kprobe_direct_exec = false; in NOKPROBE_SYMBOL()
261 if (can_kprobe_direct_exec(orig->ainsn.register_usage_flags)) { in NOKPROBE_SYMBOL()
277 orig->ainsn.kprobe_direct_exec = true; in NOKPROBE_SYMBOL()
/linux-6.6.21/arch/powerpc/kernel/
Dkprobes.c167 ppc_inst_prefixed(ppc_inst_read(prev->ainsn.insn))) { in arch_prepare_kprobe()
175 p->ainsn.insn = get_insn_slot(); in arch_prepare_kprobe()
176 if (!p->ainsn.insn) in arch_prepare_kprobe()
181 patch_instruction(p->ainsn.insn, insn); in arch_prepare_kprobe()
185 p->ainsn.boostable = 0; in arch_prepare_kprobe()
204 if (p->ainsn.insn) { in arch_remove_kprobe()
205 free_insn_slot(p->ainsn.insn, 0); in arch_remove_kprobe()
206 p->ainsn.insn = NULL; in arch_remove_kprobe()
221 regs_set_return_ip(regs, (unsigned long)p->ainsn.insn); in prepare_singlestep()
258 ppc_inst_t insn = ppc_inst_read(p->ainsn.insn); in try_to_emulate()
[all …]
Dkprobes-ftrace.c69 p->ainsn.insn = NULL; in arch_prepare_kprobe_ftrace()
70 p->ainsn.boostable = -1; in arch_prepare_kprobe_ftrace()
Doptprobes.c87 if (!is_conditional_branch(ppc_inst_read(p->ainsn.insn)) && in can_optimize()
88 analyse_instr(&op, &regs, ppc_inst_read(p->ainsn.insn)) == 1) { in can_optimize()
231 temp = ppc_inst_read(p->ainsn.insn); in arch_prepare_optimized_kprobe()
/linux-6.6.21/arch/riscv/kernel/probes/
Dkprobes.c29 p->ainsn.api.restore = (unsigned long)p->addr + offset; in arch_prepare_ss_slot()
31 patch_text(p->ainsn.api.insn, &p->opcode, 1); in arch_prepare_ss_slot()
32 patch_text((void *)((unsigned long)(p->ainsn.api.insn) + offset), in arch_prepare_ss_slot()
38 p->ainsn.api.restore = 0; in arch_prepare_simulate()
45 if (p->ainsn.api.handler) in arch_simulate_insn()
46 p->ainsn.api.handler((u32)p->opcode, in arch_simulate_insn()
83 switch (riscv_probe_decode_insn(p->addr, &p->ainsn.api)) { in arch_prepare_kprobe()
88 p->ainsn.api.insn = NULL; in arch_prepare_kprobe()
92 p->ainsn.api.insn = get_insn_slot(); in arch_prepare_kprobe()
93 if (!p->ainsn.api.insn) in arch_prepare_kprobe()
[all …]
Dftrace.c60 p->ainsn.api.insn = NULL; in arch_prepare_kprobe_ftrace()
/linux-6.6.21/arch/csky/kernel/probes/
Dkprobes.c58 p->ainsn.api.restore = (unsigned long)p->addr + offset; in arch_prepare_ss_slot()
60 patch_text(p->ainsn.api.insn, p->opcode); in arch_prepare_ss_slot()
65 p->ainsn.api.restore = 0; in arch_prepare_simulate()
72 if (p->ainsn.api.handler) in arch_simulate_insn()
73 p->ainsn.api.handler((u32)p->opcode, (long)p->addr, regs); in arch_simulate_insn()
89 switch (csky_probe_decode_insn(p->addr, &p->ainsn.api)) { in arch_prepare_kprobe()
94 p->ainsn.api.insn = NULL; in arch_prepare_kprobe()
98 p->ainsn.api.insn = get_insn_slot(); in arch_prepare_kprobe()
99 if (!p->ainsn.api.insn) in arch_prepare_kprobe()
105 if (p->ainsn.api.insn) in arch_prepare_kprobe()
[all …]
Dftrace.c65 p->ainsn.api.insn = NULL; in arch_prepare_kprobe_ftrace()
/linux-6.6.21/arch/s390/kernel/
Dkprobes.c88 new_addr = (u64)(unsigned long)p->ainsn.insn; in copy_instruction()
92 s390_kernel_write(p->ainsn.insn, &insn, len); in copy_instruction()
103 p->ainsn.insn = NULL; in s390_get_insn_slot()
105 p->ainsn.insn = get_s390_insn_slot(); in s390_get_insn_slot()
107 p->ainsn.insn = get_insn_slot(); in s390_get_insn_slot()
108 return p->ainsn.insn ? 0 : -ENOMEM; in s390_get_insn_slot()
114 if (!p->ainsn.insn) in s390_free_insn_slot()
117 free_s390_insn_slot(p->ainsn.insn, 0); in s390_free_insn_slot()
119 free_insn_slot(p->ainsn.insn, 0); in s390_free_insn_slot()
120 p->ainsn.insn = NULL; in s390_free_insn_slot()
[all …]
Dftrace.c337 p->ainsn.insn = NULL; in arch_prepare_kprobe_ftrace()
/linux-6.6.21/arch/parisc/kernel/
Dkprobes.c25 p->ainsn.insn = get_insn_slot(); in arch_prepare_kprobe()
26 if (!p->ainsn.insn) in arch_prepare_kprobe()
34 p->ainsn.insn[0] = p->opcode; in arch_prepare_kprobe()
35 p->ainsn.insn[1] = PARISC_KPROBES_BREAK_INSN2; in arch_prepare_kprobe()
43 if (!p->ainsn.insn) in arch_remove_kprobe()
46 free_insn_slot(p->ainsn.insn, 0); in arch_remove_kprobe()
47 p->ainsn.insn = NULL; in arch_remove_kprobe()
82 instruction_pointer_set(regs, (unsigned long)p->ainsn.insn); in setup_singlestep()
143 if (regs->iaoq[0] != (unsigned long)p->ainsn.insn+4) in parisc_kprobe_ss_handler()
Dftrace.c248 p->ainsn.insn = NULL; in arch_prepare_kprobe_ftrace()
/linux-6.6.21/arch/mips/kernel/
Dkprobes.c107 p->ainsn.insn = get_insn_slot(); in arch_prepare_kprobe()
108 if (!p->ainsn.insn) { in arch_prepare_kprobe()
127 memcpy(&p->ainsn.insn[0], p->addr + 1, sizeof(kprobe_opcode_t)); in arch_prepare_kprobe()
129 memcpy(&p->ainsn.insn[0], p->addr, sizeof(kprobe_opcode_t)); in arch_prepare_kprobe()
131 p->ainsn.insn[1] = breakpoint2_insn; in arch_prepare_kprobe()
155 if (p->ainsn.insn) { in arch_remove_kprobe()
156 free_insn_slot(p->ainsn.insn, 0); in arch_remove_kprobe()
157 p->ainsn.insn = NULL; in arch_remove_kprobe()
212 if (p->ainsn.insn->word == 0) in evaluate_branch_instruction()
251 regs->cp0_epc = (unsigned long)&p->ainsn.insn[0]; in prepare_singlestep()
[all …]
/linux-6.6.21/arch/sparc/kernel/
Dkprobes.c55 p->ainsn.insn[0] = *p->addr; in arch_prepare_kprobe()
56 flushi(&p->ainsn.insn[0]); in arch_prepare_kprobe()
58 p->ainsn.insn[1] = BREAKPOINT_INSTRUCTION_2; in arch_prepare_kprobe()
59 flushi(&p->ainsn.insn[1]); in arch_prepare_kprobe()
111 regs->tpc = (unsigned long) &p->ainsn.insn[0]; in prepare_singlestep()
112 regs->tnpc = (unsigned long) &p->ainsn.insn[1]; in prepare_singlestep()
218 ainsn_addr = (unsigned long) &p->ainsn.insn[0]; in relbranch_fixup()
280 u32 insn = p->ainsn.insn[0]; in resume_execution()
/linux-6.6.21/arch/parisc/include/asm/
Dkprobes.h31 flush_icache_range((unsigned long)&(p)->ainsn.insn[0], \
32 (unsigned long)&(p)->ainsn.insn[0] + \
/linux-6.6.21/arch/sparc/include/asm/
Dkprobes.h23 do { flushi(&(p)->ainsn.insn[0]); \
24 flushi(&(p)->ainsn.insn[1]); \
/linux-6.6.21/arch/sh/kernel/
Dkprobes.c54 memcpy(p->ainsn.insn, p->addr, MAX_INSN_SIZE * sizeof(kprobe_opcode_t)); in arch_copy_kprobe()
234 *p->ainsn.insn == BREAKPOINT_INSTRUCTION) { in kprobe_handler()

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