| /linux-6.12.1/arch/x86/kernel/ |
| D | uprobes.c | 278 static int uprobe_init_insn(struct arch_uprobe *auprobe, struct insn *insn, bool x86_64) in uprobe_init_insn() argument
284 ret = insn_decode(insn, auprobe->insn, sizeof(auprobe->insn), m); in uprobe_init_insn()
452 static void riprel_analyze(struct arch_uprobe *auprobe, struct insn *insn) in riprel_analyze() argument
467 cursor = auprobe->insn + insn_offset_rex_prefix(insn); in riprel_analyze()
486 cursor = auprobe->insn + insn_offset_vex_prefix(insn) + 1; in riprel_analyze()
550 auprobe->defparam.fixups |= UPROBE_FIX_RIP_SI; in riprel_analyze()
553 auprobe->defparam.fixups |= UPROBE_FIX_RIP_DI; in riprel_analyze()
557 auprobe->defparam.fixups |= UPROBE_FIX_RIP_BX; in riprel_analyze()
564 cursor = auprobe->insn + insn_offset_modrm(insn); in riprel_analyze()
574 scratch_reg(struct arch_uprobe *auprobe, struct pt_regs *regs) in scratch_reg() argument
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| /linux-6.12.1/arch/arm/probes/uprobes/ |
| D | core.c | 29 int set_swbp(struct arch_uprobe *auprobe, struct mm_struct *mm, in set_swbp() argument
32 return uprobe_write_opcode(auprobe, mm, vaddr, in set_swbp()
33 __opcode_to_mem_arm(auprobe->bpinsn)); in set_swbp()
36 bool arch_uprobe_ignore(struct arch_uprobe *auprobe, struct pt_regs *regs) in arch_uprobe_ignore() argument
38 if (!auprobe->asi.insn_check_cc(regs->ARM_cpsr)) { in arch_uprobe_ignore()
46 bool arch_uprobe_skip_sstep(struct arch_uprobe *auprobe, struct pt_regs *regs) in arch_uprobe_skip_sstep() argument
50 if (!auprobe->simulate) in arch_uprobe_skip_sstep()
53 opcode = __mem_to_opcode_arm(*(unsigned int *) auprobe->insn); in arch_uprobe_skip_sstep()
55 auprobe->asi.insn_singlestep(opcode, &auprobe->asi, regs); in arch_uprobe_skip_sstep()
72 int arch_uprobe_analyze_insn(struct arch_uprobe *auprobe, struct mm_struct *mm, in arch_uprobe_analyze_insn() argument
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| D | actions-arm.c | 66 static void uprobe_set_pc(struct arch_uprobe *auprobe, in uprobe_set_pc() argument
70 u32 pcreg = auprobe->pcreg; in uprobe_set_pc()
76 static void uprobe_unset_pc(struct arch_uprobe *auprobe, in uprobe_unset_pc() argument
81 regs->uregs[auprobe->pcreg] = autask->backup; in uprobe_unset_pc()
84 static void uprobe_aluwrite_pc(struct arch_uprobe *auprobe, in uprobe_aluwrite_pc() argument
88 u32 pcreg = auprobe->pcreg; in uprobe_aluwrite_pc()
94 static void uprobe_write_pc(struct arch_uprobe *auprobe, in uprobe_write_pc() argument
98 u32 pcreg = auprobe->pcreg; in uprobe_write_pc()
108 struct arch_uprobe *auprobe = container_of(asi, struct arch_uprobe, in decode_pc_ro() local
114 reg = uprobes_substitute_pc(&auprobe->ixol[0], regs); in decode_pc_ro()
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| /linux-6.12.1/arch/loongarch/kernel/ |
| D | uprobes.c | 10 int arch_uprobe_analyze_insn(struct arch_uprobe *auprobe, in arch_uprobe_analyze_insn() argument
19 for (idx = ARRAY_SIZE(auprobe->insn) - 1; idx >= 0; idx--) { in arch_uprobe_analyze_insn()
20 insn.word = auprobe->insn[idx]; in arch_uprobe_analyze_insn()
26 auprobe->ixol[0] = larch_insn_gen_nop(); in arch_uprobe_analyze_insn()
27 auprobe->simulate = true; in arch_uprobe_analyze_insn()
29 auprobe->ixol[0] = auprobe->insn[0]; in arch_uprobe_analyze_insn()
30 auprobe->simulate = false; in arch_uprobe_analyze_insn()
33 auprobe->ixol[1] = UPROBE_XOLBP_INSN; in arch_uprobe_analyze_insn()
38 int arch_uprobe_pre_xol(struct arch_uprobe *auprobe, struct pt_regs *regs) in arch_uprobe_pre_xol() argument
50 int arch_uprobe_post_xol(struct arch_uprobe *auprobe, struct pt_regs *regs) in arch_uprobe_post_xol() argument
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| /linux-6.12.1/arch/csky/kernel/probes/ |
| D | uprobes.c | 24 int arch_uprobe_analyze_insn(struct arch_uprobe *auprobe, struct mm_struct *mm, in arch_uprobe_analyze_insn() argument
29 insn = *(probe_opcode_t *)(&auprobe->insn[0]); in arch_uprobe_analyze_insn()
31 auprobe->insn_size = is_insn32(insn) ? 4 : 2; in arch_uprobe_analyze_insn()
33 switch (csky_probe_decode_insn(&insn, &auprobe->api)) { in arch_uprobe_analyze_insn()
38 auprobe->simulate = true; in arch_uprobe_analyze_insn()
48 int arch_uprobe_pre_xol(struct arch_uprobe *auprobe, struct pt_regs *regs) in arch_uprobe_pre_xol() argument
62 int arch_uprobe_post_xol(struct arch_uprobe *auprobe, struct pt_regs *regs) in arch_uprobe_post_xol() argument
69 instruction_pointer_set(regs, utask->vaddr + auprobe->insn_size); in arch_uprobe_post_xol()
84 bool arch_uprobe_skip_sstep(struct arch_uprobe *auprobe, struct pt_regs *regs) in arch_uprobe_skip_sstep() argument
89 if (!auprobe->simulate) in arch_uprobe_skip_sstep()
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| /linux-6.12.1/arch/riscv/kernel/probes/ |
| D | uprobes.c | 31 int arch_uprobe_analyze_insn(struct arch_uprobe *auprobe, struct mm_struct *mm, in arch_uprobe_analyze_insn() argument
36 opcode = *(probe_opcode_t *)(&auprobe->insn[0]); in arch_uprobe_analyze_insn()
38 auprobe->insn_size = GET_INSN_LENGTH(opcode); in arch_uprobe_analyze_insn()
40 switch (riscv_probe_decode_insn(&opcode, &auprobe->api)) { in arch_uprobe_analyze_insn()
45 auprobe->simulate = true; in arch_uprobe_analyze_insn()
49 auprobe->simulate = false; in arch_uprobe_analyze_insn()
59 int arch_uprobe_pre_xol(struct arch_uprobe *auprobe, struct pt_regs *regs) in arch_uprobe_pre_xol() argument
71 int arch_uprobe_post_xol(struct arch_uprobe *auprobe, struct pt_regs *regs) in arch_uprobe_post_xol() argument
78 instruction_pointer_set(regs, utask->vaddr + auprobe->insn_size); in arch_uprobe_post_xol()
91 bool arch_uprobe_skip_sstep(struct arch_uprobe *auprobe, struct pt_regs *regs) in arch_uprobe_skip_sstep() argument
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| /linux-6.12.1/arch/arm64/kernel/probes/ |
| D | uprobes.c | 34 int arch_uprobe_analyze_insn(struct arch_uprobe *auprobe, struct mm_struct *mm, in arch_uprobe_analyze_insn() argument
45 insn = le32_to_cpu(auprobe->insn); in arch_uprobe_analyze_insn()
47 switch (arm_probe_decode_insn(insn, &auprobe->api)) { in arch_uprobe_analyze_insn()
52 auprobe->simulate = true; in arch_uprobe_analyze_insn()
62 int arch_uprobe_pre_xol(struct arch_uprobe *auprobe, struct pt_regs *regs) in arch_uprobe_pre_xol() argument
77 int arch_uprobe_post_xol(struct arch_uprobe *auprobe, struct pt_regs *regs) in arch_uprobe_post_xol() argument
103 bool arch_uprobe_skip_sstep(struct arch_uprobe *auprobe, struct pt_regs *regs) in arch_uprobe_skip_sstep() argument
108 if (!auprobe->simulate) in arch_uprobe_skip_sstep()
111 insn = le32_to_cpu(auprobe->insn); in arch_uprobe_skip_sstep()
114 if (auprobe->api.handler) in arch_uprobe_skip_sstep()
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| /linux-6.12.1/arch/powerpc/kernel/ |
| D | uprobes.c | 38 int arch_uprobe_analyze_insn(struct arch_uprobe *auprobe, in arch_uprobe_analyze_insn() argument
45 ppc_inst_prefixed(ppc_inst_read(auprobe->insn)) && in arch_uprobe_analyze_insn()
51 if (!can_single_step(ppc_inst_val(ppc_inst_read(auprobe->insn)))) { in arch_uprobe_analyze_insn()
64 int arch_uprobe_pre_xol(struct arch_uprobe *auprobe, struct pt_regs *regs) in arch_uprobe_pre_xol() argument
112 int arch_uprobe_post_xol(struct arch_uprobe *auprobe, struct pt_regs *regs) in arch_uprobe_post_xol() argument
127 regs_set_return_ip(regs, (unsigned long)ppc_inst_next((void *)utask->vaddr, auprobe->insn)); in arch_uprobe_post_xol()
168 void arch_uprobe_abort_xol(struct arch_uprobe *auprobe, struct pt_regs *regs) in arch_uprobe_abort_xol() argument
182 bool arch_uprobe_skip_sstep(struct arch_uprobe *auprobe, struct pt_regs *regs) in arch_uprobe_skip_sstep() argument
190 ret = emulate_step(regs, ppc_inst_read(auprobe->insn)); in arch_uprobe_skip_sstep()
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| /linux-6.12.1/arch/s390/kernel/ |
| D | uprobes.c | 22 int arch_uprobe_analyze_insn(struct arch_uprobe *auprobe, struct mm_struct *mm, in arch_uprobe_analyze_insn() argument
25 return probe_is_prohibited_opcode(auprobe->insn); in arch_uprobe_analyze_insn()
28 int arch_uprobe_pre_xol(struct arch_uprobe *auprobe, struct pt_regs *regs) in arch_uprobe_pre_xol() argument
35 auprobe->saved_per = psw_bits(regs->psw).per; in arch_uprobe_pre_xol()
36 auprobe->saved_int_code = regs->int_code; in arch_uprobe_pre_xol()
77 int arch_uprobe_post_xol(struct arch_uprobe *auprobe, struct pt_regs *regs) in arch_uprobe_post_xol() argument
79 int fixup = probe_get_fixup_type(auprobe->insn); in arch_uprobe_post_xol()
84 psw_bits(regs->psw).per = auprobe->saved_per; in arch_uprobe_post_xol()
85 regs->int_code = auprobe->saved_int_code; in arch_uprobe_post_xol()
90 int reg = (auprobe->insn[0] & 0xf0) >> 4; in arch_uprobe_post_xol()
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| /linux-6.12.1/arch/sparc/kernel/ |
| D | uprobes.c | 78 int arch_uprobe_analyze_insn(struct arch_uprobe *auprobe, in arch_uprobe_analyze_insn() argument
171 bool arch_uprobe_skip_sstep(struct arch_uprobe *auprobe, struct pt_regs *regs) in arch_uprobe_skip_sstep() argument
176 if (auprobe->ixol == (1 << 24)) { in arch_uprobe_skip_sstep()
192 int arch_uprobe_pre_xol(struct arch_uprobe *auprobe, struct pt_regs *regs) in arch_uprobe_pre_xol() argument
218 int arch_uprobe_post_xol(struct arch_uprobe *auprobe, struct pt_regs *regs) in arch_uprobe_post_xol() argument
222 u32 insn = auprobe->ixol; in arch_uprobe_post_xol()
295 void arch_uprobe_abort_xol(struct arch_uprobe *auprobe, struct pt_regs *regs) in arch_uprobe_abort_xol() argument
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| /linux-6.12.1/arch/arm/include/asm/ |
| D | uprobes.h | 33 void (*prehandler)(struct arch_uprobe *auprobe,
36 void (*posthandler)(struct arch_uprobe *auprobe,
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| /linux-6.12.1/include/linux/ |
| D | uprobes.h | 80 struct arch_uprobe *auprobe; member
115 extern int uprobe_write_opcode(struct arch_uprobe *auprobe, struct mm_struct *mm, unsigned long vad…
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| /linux-6.12.1/kernel/events/ |
| D | uprobes.c | 467 int uprobe_write_opcode(struct arch_uprobe *auprobe, struct mm_struct *mm, in uprobe_write_opcode() argument
478 uprobe = container_of(auprobe, struct uprobe, arch); in uprobe_write_opcode()
577 int __weak set_swbp(struct arch_uprobe *auprobe, struct mm_struct *mm, unsigned long vaddr) in set_swbp() argument
579 return uprobe_write_opcode(auprobe, mm, vaddr, UPROBE_SWBP_INSN); in set_swbp()
592 set_orig_insn(struct arch_uprobe *auprobe, struct mm_struct *mm, unsigned long vaddr) in set_orig_insn() argument
594 return uprobe_write_opcode(auprobe, mm, vaddr, in set_orig_insn()
595 *(uprobe_opcode_t *)&auprobe->insn); in set_orig_insn()
2135 current->utask->auprobe = &uprobe->arch; in handler_chain()
2153 current->utask->auprobe = NULL; in handler_chain()
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| /linux-6.12.1/arch/mips/kernel/ |
| D | uprobes.c | 243 bool arch_uprobe_skip_sstep(struct arch_uprobe *auprobe, struct pt_regs *regs) in arch_uprobe_skip_sstep() argument
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| /linux-6.12.1/arch/x86/events/ |
| D | core.c | 2834 struct arch_uprobe *auprobe; in is_uprobe_at_func_entry() local
2839 auprobe = current->utask->auprobe; in is_uprobe_at_func_entry()
2840 if (!auprobe) in is_uprobe_at_func_entry()
2844 if (auprobe->insn[0] == 0x55) in is_uprobe_at_func_entry()
2848 if (user_64bit_mode(regs) && is_endbr(*(u32 *)auprobe->insn)) in is_uprobe_at_func_entry()
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