| /arch/x86/lib/ |
| D | insn.c | 30 #define validate_next(t, insn, n) \ argument
31 ((insn)->next_byte + sizeof(t) + n <= (insn)->end_kaddr)
33 #define __get_next(t, insn) \ argument
34 ({ t r = *(t*)insn->next_byte; insn->next_byte += sizeof(t); r; })
36 #define __peek_nbyte_next(t, insn, n) \ argument
37 ({ t r = *(t*)((insn)->next_byte + n); r; })
39 #define get_next(t, insn) \ argument
40 ({ if (unlikely(!validate_next(t, insn, 0))) goto err_out; __get_next(t, insn); })
42 #define peek_nbyte_next(t, insn, n) \ argument
43 ({ if (unlikely(!validate_next(t, insn, n))) goto err_out; __peek_nbyte_next(t, insn, n); })
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| /arch/x86/include/asm/ |
| D | insn.h | 36 struct insn { struct
100 extern void insn_init(struct insn *insn, const void *kaddr, int buf_len, int x86_64);
101 extern void insn_get_prefixes(struct insn *insn);
102 extern void insn_get_opcode(struct insn *insn);
103 extern void insn_get_modrm(struct insn *insn);
104 extern void insn_get_sib(struct insn *insn);
105 extern void insn_get_displacement(struct insn *insn);
106 extern void insn_get_immediate(struct insn *insn);
107 extern void insn_get_length(struct insn *insn);
110 static inline void insn_get_attribute(struct insn *insn) in insn_get_attribute() argument
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| /arch/powerpc/xmon/ |
| D | spu.h | 91 #define SIGNED_EXTRACT(insn,size,pos) (((int)((insn) << (32-size-pos))) >> (32-size)) argument
92 #define UNSIGNED_EXTRACT(insn,size,pos) (((insn) >> pos) & ((1 << size)-1)) argument
94 #define DECODE_INSN_RT(insn) (insn & 0x7f) argument
95 #define DECODE_INSN_RA(insn) ((insn >> 7) & 0x7f) argument
96 #define DECODE_INSN_RB(insn) ((insn >> 14) & 0x7f) argument
97 #define DECODE_INSN_RC(insn) ((insn >> 21) & 0x7f) argument
99 #define DECODE_INSN_I10(insn) SIGNED_EXTRACT(insn,10,14) argument
100 #define DECODE_INSN_U10(insn) UNSIGNED_EXTRACT(insn,10,14) argument
103 #define DECODE_INSN_I16(insn) SIGNED_EXTRACT(insn,16,7) argument
104 #define DECODE_INSN_U16(insn) UNSIGNED_EXTRACT(insn,16,7) argument
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| D | spu-dis.c | 55 get_index_for_opcode (unsigned int insn) in get_index_for_opcode() argument
58 unsigned int opcode = insn >> (32-11); in get_index_for_opcode()
94 print_insn_spu (unsigned long insn, unsigned long memaddr) in print_insn_spu() argument
101 index = get_index_for_opcode (insn); in print_insn_spu()
105 printf(".long 0x%x", insn); in print_insn_spu()
117 int fb = (insn >> (32-18)) & 0x7f; in print_insn_spu()
138 DECODE_INSN_RT (insn)); in print_insn_spu()
142 DECODE_INSN_RA (insn)); in print_insn_spu()
146 DECODE_INSN_RB (insn)); in print_insn_spu()
150 DECODE_INSN_RC (insn)); in print_insn_spu()
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| /arch/arm64/kernel/ |
| D | insn.c | 57 enum aarch64_insn_encoding_class __kprobes aarch64_get_insn_class(u32 insn) in aarch64_get_insn_class() argument
59 return aarch64_insn_encoding_class[(insn >> 25) & 0xf]; in aarch64_get_insn_class()
63 bool __kprobes aarch64_insn_is_nop(u32 insn) in aarch64_insn_is_nop() argument
65 if (!aarch64_insn_is_hint(insn)) in aarch64_insn_is_nop()
68 switch (insn & 0xFE0) { in aarch64_insn_is_nop()
80 bool aarch64_insn_is_branch_imm(u32 insn) in aarch64_insn_is_branch_imm() argument
82 return (aarch64_insn_is_b(insn) || aarch64_insn_is_bl(insn) || in aarch64_insn_is_branch_imm()
83 aarch64_insn_is_tbz(insn) || aarch64_insn_is_tbnz(insn) || in aarch64_insn_is_branch_imm()
84 aarch64_insn_is_cbz(insn) || aarch64_insn_is_cbnz(insn) || in aarch64_insn_is_branch_imm()
85 aarch64_insn_is_bcond(insn)); in aarch64_insn_is_branch_imm()
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| D | armv8_deprecated.c | 93 struct insn_emulation *insn = (struct insn_emulation *)data; in enable_insn_hw_mode() local
94 if (insn->ops->set_hw_mode) in enable_insn_hw_mode()
95 insn->ops->set_hw_mode(true); in enable_insn_hw_mode()
100 struct insn_emulation *insn = (struct insn_emulation *)data; in disable_insn_hw_mode() local
101 if (insn->ops->set_hw_mode) in disable_insn_hw_mode()
102 insn->ops->set_hw_mode(false); in disable_insn_hw_mode()
106 static int run_all_cpu_set_hw_mode(struct insn_emulation *insn, bool enable) in run_all_cpu_set_hw_mode() argument
108 if (!insn->ops->set_hw_mode) in run_all_cpu_set_hw_mode()
111 on_each_cpu(enable_insn_hw_mode, (void *)insn, true); in run_all_cpu_set_hw_mode()
113 on_each_cpu(disable_insn_hw_mode, (void *)insn, true); in run_all_cpu_set_hw_mode()
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| /arch/s390/lib/ |
| D | probes.c | 10 int probe_is_prohibited_opcode(u16 *insn) in probe_is_prohibited_opcode() argument
12 if (!is_known_insn((unsigned char *)insn)) in probe_is_prohibited_opcode()
14 switch (insn[0] >> 8) { in probe_is_prohibited_opcode()
23 switch (insn[0] & 0x0f) { in probe_is_prohibited_opcode()
28 switch (insn[0]) { in probe_is_prohibited_opcode()
44 int probe_get_fixup_type(u16 *insn) in probe_get_fixup_type() argument
49 switch (insn[0] >> 8) { in probe_get_fixup_type()
54 if ((insn[0] & 0x0f) == 0) in probe_get_fixup_type()
75 if ((insn[0] & 0xff) == 0xb2) in probe_get_fixup_type()
79 if ((insn[0] & 0x0f) == 0x05) in probe_get_fixup_type()
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| /arch/m32r/kernel/ |
| D | align.c | 38 #define REG1(insn) (((insn) & 0x0f00) >> 8) argument
39 #define REG2(insn) ((insn) & 0x000f) argument
81 static int emu_addi(unsigned short insn, struct pt_regs *regs) in emu_addi() argument
83 char imm = (char)(insn & 0xff); in emu_addi()
84 int dest = REG1(insn); in emu_addi()
94 static int emu_ldi(unsigned short insn, struct pt_regs *regs) in emu_ldi() argument
96 char imm = (char)(insn & 0xff); in emu_ldi()
98 set_reg(regs, REG1(insn), (int)imm); in emu_ldi()
103 static int emu_add(unsigned short insn, struct pt_regs *regs) in emu_add() argument
105 int dest = REG1(insn); in emu_add()
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| /arch/arm/probes/kprobes/ |
| D | actions-thumb.c | 27 t32_simulate_table_branch(probes_opcode_t insn, in t32_simulate_table_branch() argument
31 int rn = (insn >> 16) & 0xf; in t32_simulate_table_branch()
32 int rm = insn & 0xf; in t32_simulate_table_branch()
38 if (insn & 0x10) /* TBH */ in t32_simulate_table_branch()
47 t32_simulate_mrs(probes_opcode_t insn, in t32_simulate_mrs() argument
50 int rd = (insn >> 8) & 0xf; in t32_simulate_mrs()
56 t32_simulate_cond_branch(probes_opcode_t insn, in t32_simulate_cond_branch() argument
61 long offset = insn & 0x7ff; /* imm11 */ in t32_simulate_cond_branch()
62 offset += (insn & 0x003f0000) >> 5; /* imm6 */ in t32_simulate_cond_branch()
63 offset += (insn & 0x00002000) << 4; /* J1 */ in t32_simulate_cond_branch()
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| D | actions-common.c | 21 static void __kprobes simulate_ldm1stm1(probes_opcode_t insn, in simulate_ldm1stm1() argument
25 int rn = (insn >> 16) & 0xf; in simulate_ldm1stm1()
26 int lbit = insn & (1 << 20); in simulate_ldm1stm1()
27 int wbit = insn & (1 << 21); in simulate_ldm1stm1()
28 int ubit = insn & (1 << 23); in simulate_ldm1stm1()
29 int pbit = insn & (1 << 24); in simulate_ldm1stm1()
35 reg_bit_vector = insn & 0xffff; in simulate_ldm1stm1()
45 reg_bit_vector = insn & 0xffff; in simulate_ldm1stm1()
63 static void __kprobes simulate_stm1_pc(probes_opcode_t insn, in simulate_stm1_pc() argument
70 simulate_ldm1stm1(insn, asi, regs); in simulate_stm1_pc()
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| D | checkers-common.c | 21 enum probes_insn checker_stack_use_none(probes_opcode_t insn, in checker_stack_use_none() argument
29 enum probes_insn checker_stack_use_unknown(probes_opcode_t insn, in checker_stack_use_unknown() argument
38 enum probes_insn checker_stack_use_imm_0xx(probes_opcode_t insn, in checker_stack_use_imm_0xx() argument
42 int imm = insn & 0xff; in checker_stack_use_imm_0xx()
51 enum probes_insn checker_stack_use_t32strd(probes_opcode_t insn, in checker_stack_use_t32strd() argument
55 int imm = insn & 0xff; in checker_stack_use_t32strd()
60 enum probes_insn checker_stack_use_imm_x0x(probes_opcode_t insn, in checker_stack_use_imm_x0x() argument
64 int imm = ((insn & 0xf00) >> 4) + (insn & 0xf); in checker_stack_use_imm_x0x()
70 enum probes_insn checker_stack_use_imm_xxx(probes_opcode_t insn, in checker_stack_use_imm_xxx() argument
74 int imm = insn & 0xfff; in checker_stack_use_imm_xxx()
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| D | actions-arm.c | 77 emulate_ldrdstrd(probes_opcode_t insn, in emulate_ldrdstrd() argument
81 int rt = (insn >> 12) & 0xf; in emulate_ldrdstrd()
82 int rn = (insn >> 16) & 0xf; in emulate_ldrdstrd()
83 int rm = insn & 0xf; in emulate_ldrdstrd()
101 if (is_writeback(insn)) in emulate_ldrdstrd()
106 emulate_ldr(probes_opcode_t insn, in emulate_ldr() argument
110 int rt = (insn >> 12) & 0xf; in emulate_ldr()
111 int rn = (insn >> 16) & 0xf; in emulate_ldr()
112 int rm = insn & 0xf; in emulate_ldr()
131 if (is_writeback(insn)) in emulate_ldr()
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| /arch/sparc/kernel/ |
| D | unaligned_32.c | 32 static inline enum direction decode_direction(unsigned int insn) in decode_direction() argument
34 unsigned long tmp = (insn >> 21) & 1; in decode_direction()
39 if(((insn>>19)&0x3f) == 15) in decode_direction()
47 static inline int decode_access_size(unsigned int insn) in decode_access_size() argument
49 insn = (insn >> 19) & 3; in decode_access_size()
51 if(!insn) in decode_access_size()
53 else if(insn == 3) in decode_access_size()
55 else if(insn == 2) in decode_access_size()
58 printk("Impossible unaligned trap. insn=%08x\n", insn); in decode_access_size()
65 static inline int decode_signedness(unsigned int insn) in decode_signedness() argument
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| D | unaligned_64.c | 41 static inline enum direction decode_direction(unsigned int insn) in decode_direction() argument
43 unsigned long tmp = (insn >> 21) & 1; in decode_direction()
48 switch ((insn>>19)&0xf) { in decode_direction()
58 static inline int decode_access_size(struct pt_regs *regs, unsigned int insn) in decode_access_size() argument
62 tmp = ((insn >> 19) & 0xf); in decode_access_size()
73 printk("Impossible unaligned trap. insn=%08x\n", insn); in decode_access_size()
86 static inline int decode_asi(unsigned int insn, struct pt_regs *regs) in decode_asi() argument
88 if (insn & 0x800000) { in decode_asi()
89 if (insn & 0x2000) in decode_asi()
92 return (unsigned char)(insn >> 5); /* imm_asi */ in decode_asi()
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| D | visemul.c | 293 static void edge(struct pt_regs *regs, unsigned int insn, unsigned int opf) in edge() argument
298 maybe_flush_windows(RS1(insn), RS2(insn), RD(insn), 0); in edge()
299 orig_rs1 = rs1 = fetch_reg(RS1(insn), regs); in edge()
300 orig_rs2 = rs2 = fetch_reg(RS2(insn), regs); in edge()
349 store_reg(regs, rd_val, RD(insn)); in edge()
371 static void array(struct pt_regs *regs, unsigned int insn, unsigned int opf) in array() argument
376 maybe_flush_windows(RS1(insn), RS2(insn), RD(insn), 0); in array()
377 rs1 = fetch_reg(RS1(insn), regs); in array()
378 rs2 = fetch_reg(RS2(insn), regs); in array()
402 store_reg(regs, rd_val, RD(insn)); in array()
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| /arch/mips/kernel/ |
| D | branch.c | 60 union mips_instruction insn = (union mips_instruction)dec_insn.insn; in __mm_isBranchInstr() local
68 switch (insn.mm_i_format.opcode) { in __mm_isBranchInstr()
70 if ((insn.mm_i_format.simmediate & MM_POOL32A_MINOR_MASK) == in __mm_isBranchInstr()
72 switch (insn.mm_i_format.simmediate >> in __mm_isBranchInstr()
78 if (insn.mm_i_format.rt != 0) /* Not mm_jr */ in __mm_isBranchInstr()
79 regs->regs[insn.mm_i_format.rt] = in __mm_isBranchInstr()
83 *contpc = regs->regs[insn.mm_i_format.rs]; in __mm_isBranchInstr()
89 switch (insn.mm_i_format.rt) { in __mm_isBranchInstr()
97 if ((long)regs->regs[insn.mm_i_format.rs] < 0) in __mm_isBranchInstr()
100 (insn.mm_i_format.simmediate << 1); in __mm_isBranchInstr()
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| /arch/x86/tools/ |
| D | insn_sanity.c | 80 static void dump_insn(FILE *fp, struct insn *insn) in dump_insn() argument
83 dump_field(fp, "prefixes", "\t", &insn->prefixes); in dump_insn()
84 dump_field(fp, "rex_prefix", "\t", &insn->rex_prefix); in dump_insn()
85 dump_field(fp, "vex_prefix", "\t", &insn->vex_prefix); in dump_insn()
86 dump_field(fp, "opcode", "\t", &insn->opcode); in dump_insn()
87 dump_field(fp, "modrm", "\t", &insn->modrm); in dump_insn()
88 dump_field(fp, "sib", "\t", &insn->sib); in dump_insn()
89 dump_field(fp, "displacement", "\t", &insn->displacement); in dump_insn()
90 dump_field(fp, "immediate1", "\t", &insn->immediate1); in dump_insn()
91 dump_field(fp, "immediate2", "\t", &insn->immediate2); in dump_insn()
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| D | test_get_len.c | 70 static void dump_insn(FILE *fp, struct insn *insn) in dump_insn() argument
73 dump_field(fp, "prefixes", "\t", &insn->prefixes); in dump_insn()
74 dump_field(fp, "rex_prefix", "\t", &insn->rex_prefix); in dump_insn()
75 dump_field(fp, "vex_prefix", "\t", &insn->vex_prefix); in dump_insn()
76 dump_field(fp, "opcode", "\t", &insn->opcode); in dump_insn()
77 dump_field(fp, "modrm", "\t", &insn->modrm); in dump_insn()
78 dump_field(fp, "sib", "\t", &insn->sib); in dump_insn()
79 dump_field(fp, "displacement", "\t", &insn->displacement); in dump_insn()
80 dump_field(fp, "immediate1", "\t", &insn->immediate1); in dump_insn()
81 dump_field(fp, "immediate2", "\t", &insn->immediate2); in dump_insn()
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| /arch/s390/include/asm/ |
| D | ftrace.h | 42 static inline void ftrace_generate_nop_insn(struct ftrace_insn *insn) in ftrace_generate_nop_insn() argument
47 insn->opc = 0xc004; in ftrace_generate_nop_insn()
48 insn->disp = 0; in ftrace_generate_nop_insn()
51 insn->opc = 0xc0f4; in ftrace_generate_nop_insn()
52 insn->disp = MCOUNT_INSN_SIZE / 2; in ftrace_generate_nop_insn()
57 static inline int is_ftrace_nop(struct ftrace_insn *insn) in is_ftrace_nop() argument
61 if (insn->disp == 0) in is_ftrace_nop()
64 if (insn->disp == MCOUNT_INSN_SIZE / 2) in is_ftrace_nop()
71 static inline void ftrace_generate_call_insn(struct ftrace_insn *insn, in ftrace_generate_call_insn() argument
79 insn->opc = 0xc005; in ftrace_generate_call_insn()
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| /arch/arm/probes/ |
| D | decode.c | 199 prepare_emulated_insn(probes_opcode_t insn, struct arch_probes_insn *asi, in prepare_emulated_insn() argument
204 u16 *thumb_insn = (u16 *)asi->insn; in prepare_emulated_insn()
208 return insn; in prepare_emulated_insn()
210 asi->insn[1] = __opcode_to_mem_arm(0xe12fff1e); /* ARM bx lr */ in prepare_emulated_insn()
212 asi->insn[1] = __opcode_to_mem_arm(0xe1a0f00e); /* mov pc, lr */ in prepare_emulated_insn()
215 if (insn < 0xe0000000) in prepare_emulated_insn()
216 insn = (insn | 0xe0000000) & ~0x10000000; in prepare_emulated_insn()
217 return insn; in prepare_emulated_insn()
225 set_emulated_insn(probes_opcode_t insn, struct arch_probes_insn *asi, in set_emulated_insn() argument
230 u16 *ip = (u16 *)asi->insn; in set_emulated_insn()
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| /arch/x86/kernel/ |
| D | uprobes.c | 54 #define OPCODE1(insn) ((insn)->opcode.bytes[0]) argument
55 #define OPCODE2(insn) ((insn)->opcode.bytes[1]) argument
56 #define OPCODE3(insn) ((insn)->opcode.bytes[2]) argument
57 #define MODRM_REG(insn) X86_MODRM_REG((insn)->modrm.value) argument
269 static bool is_prefix_bad(struct insn *insn) in is_prefix_bad() argument
274 for_each_insn_prefix(insn, i, p) { in is_prefix_bad()
287 static int uprobe_init_insn(struct arch_uprobe *auprobe, struct insn *insn, bool x86_64) in uprobe_init_insn() argument
291 insn_init(insn, auprobe->insn, sizeof(auprobe->insn), x86_64); in uprobe_init_insn()
293 insn_get_length(insn); in uprobe_init_insn()
294 if (!insn_complete(insn)) in uprobe_init_insn()
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| /arch/x86/kernel/kprobes/ |
| D | opt.c | 195 static int __insn_is_indirect_jump(struct insn *insn) in __insn_is_indirect_jump() argument
197 return ((insn->opcode.bytes[0] == 0xff && in __insn_is_indirect_jump()
198 (X86_MODRM_REG(insn->modrm.value) & 6) == 4) || /* Jump */ in __insn_is_indirect_jump()
199 insn->opcode.bytes[0] == 0xea); /* Segment based jump */ in __insn_is_indirect_jump()
203 static int insn_jump_into_range(struct insn *insn, unsigned long start, int len) in insn_jump_into_range() argument
207 switch (insn->opcode.bytes[0]) { in insn_jump_into_range()
216 if ((insn->opcode.bytes[1] & 0xf0) == 0x80) /* jcc near */ in insn_jump_into_range()
220 if ((insn->opcode.bytes[0] & 0xf0) == 0x70) /* jcc short */ in insn_jump_into_range()
224 target = (unsigned long)insn->next_byte + insn->immediate.value; in insn_jump_into_range()
229 static int insn_is_indirect_jump(struct insn *insn) in insn_is_indirect_jump() argument
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| /arch/s390/include/uapi/asm/ |
| D | sie.h | 222 #define INSN_DECODE_IPA0(ipa0, insn, rshift, mask) \ argument
223 (insn >> 56) == (ipa0) ? \
224 ((ipa0 << 8) | ((insn >> rshift) & mask)) :
226 #define INSN_DECODE(insn) (insn >> 56) argument
233 #define icpt_insn_decoder(insn) ( \ argument
234 INSN_DECODE_IPA0(0x01, insn, 48, 0xff) \
235 INSN_DECODE_IPA0(0xaa, insn, 48, 0x0f) \
236 INSN_DECODE_IPA0(0xb2, insn, 48, 0xff) \
237 INSN_DECODE_IPA0(0xb9, insn, 48, 0xff) \
238 INSN_DECODE_IPA0(0xe3, insn, 48, 0xff) \
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| /arch/sparc/mm/ |
| D | fault_64.c | 99 u32 insn = 0; in get_user_insn() local
124 : "=r" (insn) in get_user_insn()
137 : "=r" (insn) in get_user_insn()
145 return insn; in get_user_insn()
170 unsigned long fault_addr, unsigned int insn, in do_fault_siginfo() argument
186 if (insn) in do_fault_siginfo()
187 addr = compute_effective_address(regs, insn, 0); in do_fault_siginfo()
200 static unsigned int get_fault_insn(struct pt_regs *regs, unsigned int insn) in get_fault_insn() argument
202 if (!insn) { in get_fault_insn()
206 insn = *(unsigned int *) regs->tpc; in get_fault_insn()
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| /arch/s390/kernel/ |
| D | jump_label.c | 15 struct insn { struct
25 static void jump_label_make_nop(struct jump_entry *entry, struct insn *insn) in jump_label_make_nop() argument
28 insn->opcode = 0xc004; in jump_label_make_nop()
29 insn->offset = 0; in jump_label_make_nop()
32 static void jump_label_make_branch(struct jump_entry *entry, struct insn *insn) in jump_label_make_branch() argument
35 insn->opcode = 0xc0f4; in jump_label_make_branch()
36 insn->offset = (entry->target - entry->code) >> 1; in jump_label_make_branch()
39 static void jump_label_bug(struct jump_entry *entry, struct insn *expected, in jump_label_bug()
40 struct insn *new) in jump_label_bug()
53 static struct insn orignop = {
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