| /kernel/linux/linux-5.10/arch/arm/probes/kprobes/ |
| H A D | opt-arm.c | 109 int arch_prepared_optinsn(struct arch_optimized_insn *optinsn) in arch_prepared_optinsn() argument
111 return optinsn->insn != NULL; in arch_prepared_optinsn()
142 if (op->optinsn.insn) { in __arch_remove_optimized_kprobe()
143 free_optinsn_slot(op->optinsn.insn, dirty); in __arch_remove_optimized_kprobe()
144 op->optinsn.insn = NULL; in __arch_remove_optimized_kprobe()
200 * kprobe opt use a 'b' instruction to branch to optinsn.insn. in NOKPROBE_SYMBOL()
284 /* Set op->optinsn.insn means prepared. */ in NOKPROBE_SYMBOL()
285 op->optinsn.insn = code; in NOKPROBE_SYMBOL()
301 memcpy(op->optinsn.copied_insn, op->kp.addr, in arch_optimize_kprobes()
305 (unsigned long)op->optinsn in arch_optimize_kprobes()
[all...] |
| /kernel/linux/linux-6.6/arch/arm/probes/kprobes/ |
| H A D | opt-arm.c | 109 int arch_prepared_optinsn(struct arch_optimized_insn *optinsn) in arch_prepared_optinsn() argument
111 return optinsn->insn != NULL; in arch_prepared_optinsn()
142 if (op->optinsn.insn) { in __arch_remove_optimized_kprobe()
143 free_optinsn_slot(op->optinsn.insn, dirty); in __arch_remove_optimized_kprobe()
144 op->optinsn.insn = NULL; in __arch_remove_optimized_kprobe()
200 * kprobe opt use a 'b' instruction to branch to optinsn.insn. in NOKPROBE_SYMBOL()
284 /* Set op->optinsn.insn means prepared. */ in NOKPROBE_SYMBOL()
285 op->optinsn.insn = code; in NOKPROBE_SYMBOL()
301 memcpy(op->optinsn.copied_insn, op->kp.addr, in arch_optimize_kprobes()
305 (unsigned long)op->optinsn in arch_optimize_kprobes()
[all...] |
| /kernel/linux/linux-5.10/arch/x86/kernel/kprobes/ |
| H A D | opt.c | 60 * bytes must be recovered from op->optinsn.copied_insn buffer. in __recover_optprobed_insn()
68 memcpy(buf + 1, op->optinsn.copied_insn, DISP32_SIZE); in __recover_optprobed_insn()
71 memcpy(buf, op->optinsn.copied_insn + offs, DISP32_SIZE - offs); in __recover_optprobed_insn()
170 /* Optimized kprobe call back function: called from optinsn */
347 for (i = 1; i < op->optinsn.size; i++) { in arch_check_optimized_kprobe()
361 (unsigned long)op->kp.addr + op->optinsn.size > addr); in arch_within_optimized_kprobe()
368 u8 *slot = op->optinsn.insn; in __arch_remove_optimized_kprobe()
370 int len = TMPL_END_IDX + op->optinsn.size + JMP32_INSN_SIZE; in __arch_remove_optimized_kprobe()
377 op->optinsn.insn = NULL; in __arch_remove_optimized_kprobe()
378 op->optinsn in __arch_remove_optimized_kprobe()
[all...] |
| /kernel/linux/linux-6.6/arch/x86/kernel/kprobes/ |
| H A D | opt.c | 60 * bytes must be recovered from op->optinsn.copied_insn buffer. in __recover_optprobed_insn()
68 memcpy(buf + 1, op->optinsn.copied_insn, DISP32_SIZE); in __recover_optprobed_insn()
71 memcpy(buf, op->optinsn.copied_insn + offs, DISP32_SIZE - offs); in __recover_optprobed_insn()
175 /* Optimized kprobe call back function: called from optinsn */
346 for (i = 1; i < op->optinsn.size; i++) { in arch_check_optimized_kprobe()
360 op->kp.addr + op->optinsn.size > addr); in arch_within_optimized_kprobe()
367 u8 *slot = op->optinsn.insn; in __arch_remove_optimized_kprobe()
369 int len = TMPL_END_IDX + op->optinsn.size + JMP32_INSN_SIZE; in __arch_remove_optimized_kprobe()
376 op->optinsn.insn = NULL; in __arch_remove_optimized_kprobe()
377 op->optinsn in __arch_remove_optimized_kprobe()
[all...] |
| /kernel/linux/linux-6.6/arch/powerpc/kernel/ |
| H A D | optprobes.c | 121 if (op->optinsn.insn) { in arch_remove_optimized_kprobe()
122 free_optinsn_slot(op->optinsn.insn, 1); in arch_remove_optimized_kprobe()
123 op->optinsn.insn = NULL; in arch_remove_optimized_kprobe()
173 * OPTPROBE uses 'b' instruction to branch to optinsn.insn. in arch_prepare_optimized_kprobe()
241 op->optinsn.insn = buff; in arch_prepare_optimized_kprobe()
251 int arch_prepared_optinsn(struct arch_optimized_insn *optinsn) in arch_prepared_optinsn() argument
253 return optinsn->insn != NULL; in arch_prepared_optinsn()
277 memcpy(op->optinsn.copied_insn, op->kp.addr, RELATIVEJUMP_SIZE); in arch_optimize_kprobes()
278 create_branch(&instr, op->kp.addr, (unsigned long)op->optinsn.insn, 0); in arch_optimize_kprobes()
|
| /kernel/linux/linux-5.10/arch/powerpc/kernel/ |
| H A D | optprobes.c | 138 if (op->optinsn.insn) { in arch_remove_optimized_kprobe()
139 free_ppc_optinsn_slot(op->optinsn.insn, 1); in arch_remove_optimized_kprobe()
140 op->optinsn.insn = NULL; in arch_remove_optimized_kprobe()
219 * OPTPROBE uses 'b' instruction to branch to optinsn.insn. in arch_prepare_optimized_kprobe()
296 op->optinsn.insn = buff; in arch_prepare_optimized_kprobe()
306 int arch_prepared_optinsn(struct arch_optimized_insn *optinsn) in arch_prepared_optinsn() argument
308 return optinsn->insn != NULL; in arch_prepared_optinsn()
332 memcpy(op->optinsn.copied_insn, op->kp.addr, in arch_optimize_kprobes()
336 (unsigned long)op->optinsn.insn, 0); in arch_optimize_kprobes()
|
| /kernel/linux/linux-5.10/arch/x86/include/asm/ |
| H A D | kprobes.h | 37 /* optinsn template addresses */
97 /* Return true (!0) if optinsn is prepared for optimization. */
98 static inline int arch_prepared_optinsn(struct arch_optimized_insn *optinsn) in arch_prepared_optinsn() argument
100 return optinsn->size; in arch_prepared_optinsn()
|
| /kernel/linux/linux-6.6/arch/x86/include/asm/ |
| H A D | kprobes.h | 37 /* optinsn template addresses */
94 /* Return true (!0) if optinsn is prepared for optimization. */
95 static inline int arch_prepared_optinsn(struct arch_optimized_insn *optinsn) in arch_prepared_optinsn() argument
97 return optinsn->size; in arch_prepared_optinsn()
|
| /kernel/linux/linux-5.10/include/linux/ |
| H A D | kprobes.h | 318 struct arch_optimized_insn optinsn; member
322 extern int arch_prepared_optinsn(struct arch_optimized_insn *optinsn);
336 DEFINE_INSN_CACHE_OPS(optinsn); variable
|
| /kernel/linux/linux-6.6/include/linux/ |
| H A D | kprobes.h | 355 struct arch_optimized_insn optinsn; member
359 extern int arch_prepared_optinsn(struct arch_optimized_insn *optinsn);
373 DEFINE_INSN_CACHE_OPS(optinsn); variable
|
| /kernel/linux/linux-5.10/kernel/ |
| H A D | kprobes.c | 444 return arch_prepared_optinsn(&op->optinsn); in kprobe_optready()
855 if (!arch_prepared_optinsn(&op->optinsn)) { in try_to_optimize_kprobe()
|
| /kernel/linux/linux-6.6/kernel/ |
| H A D | kprobes.c | 454 return arch_prepared_optinsn(&op->optinsn); in kprobe_optready()
868 if (!arch_prepared_optinsn(&op->optinsn)) { in try_to_optimize_kprobe()
|