Index: src/trusted/validator_ragel/gen/decoder_x86_32.c |
=================================================================== |
--- src/trusted/validator_ragel/gen/decoder_x86_32.c (revision 9996) |
+++ src/trusted/validator_ragel/gen/decoder_x86_32.c (working copy) |
@@ -10,14 +10,39 @@ |
#include <string.h> |
#include "native_client/src/shared/utils/types.h" |
-#include "native_client/src/trusted/validator_ragel/unreviewed/decoding.h" |
+#include "native_client/src/trusted/validator_ragel/decoder_internal.h" |
#include "native_client/src/trusted/validator_ragel/gen/decoder_x86_32_instruction_consts.h" |
+/* |
+ * These prefixes are not useful in IA32 mode, but they will “cleaned up” by |
+ * decoder's cleanup procedure anyway. Do nothing when that happens. |
+ */ |
+#undef SET_REX_PREFIX |
+#define SET_REX_PREFIX(P) |
+#undef SET_VEX_PREFIX2 |
+#define SET_VEX_PREFIX2(P) |
+#undef CLEAR_SPURIOUS_REX_B |
+#define CLEAR_SPURIOUS_REX_B() |
+#undef SET_SPURIOUS_REX_B |
+#define SET_SPURIOUS_REX_B() |
+#undef CLEAR_SPURIOUS_REX_X |
+#define CLEAR_SPURIOUS_REX_X() |
+#undef SET_SPURIOUS_REX_X |
+#define SET_SPURIOUS_REX_X() |
+#undef CLEAR_SPURIOUS_REX_R |
+#define CLEAR_SPURIOUS_REX_R() |
+#undef SET_SPURIOUS_REX_R |
+#define SET_SPURIOUS_REX_R() |
+#undef CLEAR_SPURIOUS_REX_W |
+#define CLEAR_SPURIOUS_REX_W() |
+#undef SET_SPURIOUS_REX_W |
+#define SET_SPURIOUS_REX_W() |
+ |
static const short _x86_32_decoder_actions[] = { |
0, 1, 0, 1, 1, 1, 2, 1, |
3, 1, 6, 1, 12, 1, 13, 1, |
@@ -9730,8 +9755,8 @@ |
72u, 79u, 80u, 87u, 88u, 95u, 96u, 103u, |
104u, 111u, 112u, 119u, 120u, 127u, 128u, 135u, |
136u, 143u, 144u, 151u, 152u, 159u, 160u, 167u, |
- 168u, 175u, 176u, 183u, 184u, 191u, 200u, 207u, |
- 208u, 215u, 216u, 223u, 224u, 231u, 232u, 239u, |
+ 168u, 175u, 176u, 183u, 184u, 191u, 192u, 199u, |
+ 200u, 207u, 208u, 215u, 216u, 223u, 232u, 239u, |
240u, 247u, 248u, 255u, 4u, 5u, 12u, 13u, |
20u, 21u, 28u, 29u, 36u, 37u, 44u, 45u, |
52u, 53u, 60u, 61u, 68u, 76u, 84u, 92u, |
@@ -9742,8 +9767,8 @@ |
80u, 87u, 88u, 95u, 96u, 103u, 104u, 111u, |
112u, 119u, 120u, 127u, 128u, 135u, 136u, 143u, |
144u, 151u, 152u, 159u, 160u, 167u, 168u, 175u, |
- 176u, 183u, 184u, 191u, 192u, 199u, 200u, 207u, |
- 208u, 215u, 216u, 223u, 224u, 231u, 240u, 247u, |
+ 176u, 183u, 184u, 191u, 200u, 207u, 208u, 215u, |
+ 216u, 223u, 224u, 231u, 232u, 239u, 240u, 247u, |
248u, 255u, 192u, 239u, 4u, 5u, 68u, 132u, |
0u, 7u, 64u, 71u, 128u, 135u, 192u, 199u, |
4u, 5u, 12u, 13u, 20u, 21u, 28u, 29u, |
@@ -9880,8 +9905,8 @@ |
103u, 104u, 111u, 112u, 119u, 120u, 127u, 128u, |
135u, 136u, 143u, 144u, 151u, 152u, 159u, 160u, |
167u, 168u, 175u, 176u, 183u, 184u, 191u, 192u, |
- 199u, 200u, 207u, 208u, 215u, 216u, 223u, 224u, |
- 231u, 232u, 239u, 240u, 247u, 4u, 5u, 12u, |
+ 199u, 200u, 207u, 208u, 215u, 224u, 231u, 232u, |
+ 239u, 240u, 247u, 248u, 255u, 4u, 5u, 12u, |
13u, 20u, 21u, 28u, 29u, 36u, 37u, 44u, |
45u, 52u, 53u, 60u, 61u, 68u, 76u, 84u, |
92u, 100u, 108u, 116u, 124u, 132u, 140u, 148u, |
@@ -9891,8 +9916,8 @@ |
79u, 80u, 87u, 88u, 95u, 96u, 103u, 104u, |
111u, 112u, 119u, 120u, 127u, 128u, 135u, 136u, |
143u, 144u, 151u, 152u, 159u, 160u, 167u, 168u, |
- 175u, 176u, 183u, 184u, 191u, 192u, 199u, 200u, |
- 207u, 216u, 223u, 224u, 231u, 232u, 239u, 240u, |
+ 175u, 176u, 183u, 184u, 191u, 200u, 207u, 208u, |
+ 215u, 216u, 223u, 224u, 231u, 232u, 239u, 240u, |
247u, 248u, 255u, 4u, 5u, 12u, 13u, 20u, |
21u, 28u, 29u, 36u, 37u, 44u, 45u, 68u, |
76u, 84u, 92u, 100u, 108u, 132u, 140u, 148u, |
@@ -12945,8 +12970,8 @@ |
72u, 79u, 80u, 87u, 88u, 95u, 96u, 103u, |
104u, 111u, 112u, 119u, 120u, 127u, 128u, 135u, |
136u, 143u, 144u, 151u, 152u, 159u, 160u, 167u, |
- 168u, 175u, 176u, 183u, 184u, 191u, 192u, 199u, |
- 200u, 207u, 208u, 215u, 216u, 223u, 232u, 239u, |
+ 168u, 175u, 176u, 183u, 184u, 191u, 200u, 207u, |
+ 208u, 215u, 216u, 223u, 224u, 231u, 232u, 239u, |
240u, 247u, 248u, 255u, 4u, 5u, 20u, 21u, |
28u, 29u, 36u, 37u, 44u, 45u, 52u, 53u, |
60u, 61u, 68u, 84u, 92u, 100u, 108u, 116u, |
@@ -15408,16 +15433,16 @@ |
3401, 3403, 3348, 3351, 3354, 3357, 3360, 3363, |
3366, 3369, 3372, 3374, 3376, 3378, 3380, 3382, |
3384, 3386, 3388, 3390, 3392, 3394, 3396, 3398, |
- 3400, 3402, 3405, 3406, 3407, 3408, 3409, 3410, |
- 3411, 3404, 3413, 3414, 3416, 3417, 3419, 3420, |
+ 3400, 3402, 3404, 3405, 3406, 3407, 3409, 3410, |
+ 3411, 3408, 3413, 3414, 3416, 3417, 3419, 3420, |
3422, 3423, 3425, 3426, 3428, 3429, 3431, 3432, |
3434, 3435, 3437, 3439, 3441, 3443, 3445, 3447, |
3449, 3451, 3453, 3455, 3457, 3459, 3461, 3463, |
3465, 3467, 3412, 3415, 3418, 3421, 3424, 3427, |
3430, 3433, 3436, 3438, 3440, 3442, 3444, 3446, |
3448, 3450, 3452, 3454, 3456, 3458, 3460, 3462, |
- 3464, 3466, 3468, 3469, 3470, 3471, 3472, 3474, |
- 3475, 3473, 3476, 34, 3478, 3479, 3481, 3483, |
+ 3464, 3466, 3469, 3470, 3471, 3472, 3473, 3474, |
+ 3475, 3468, 3476, 34, 3478, 3479, 3481, 3483, |
3477, 3480, 3482, 3484, 34, 3486, 3487, 3489, |
3490, 3492, 3493, 3495, 3496, 3498, 3499, 3501, |
3502, 3504, 3505, 3507, 3509, 3511, 3513, 3515, |
@@ -15521,16 +15546,16 @@ |
3982, 3927, 3930, 3933, 3936, 3939, 3942, 3945, |
3948, 3951, 3953, 3955, 3957, 3959, 3961, 3963, |
3965, 3967, 3969, 3971, 3973, 3975, 3977, 3979, |
- 3981, 3983, 3984, 3985, 3986, 3987, 3988, 3989, |
- 3990, 3992, 3993, 3995, 3996, 3998, 3999, 4001, |
+ 3981, 3983, 3984, 3985, 3987, 3988, 3989, 3990, |
+ 3986, 3992, 3993, 3995, 3996, 3998, 3999, 4001, |
4002, 4004, 4005, 4007, 4008, 4010, 4011, 4013, |
4014, 4016, 4018, 4020, 4022, 4024, 4026, 4028, |
4030, 4032, 4034, 4036, 4038, 4040, 4042, 4044, |
4046, 3991, 3994, 3997, 4000, 4003, 4006, 4009, |
4012, 4015, 4017, 4019, 4021, 4023, 4025, 4027, |
4029, 4031, 4033, 4035, 4037, 4039, 4041, 4043, |
- 4045, 4047, 4048, 4050, 4051, 4052, 4053, 4054, |
- 4049, 4056, 4057, 4056, 4057, 4056, 4057, 4056, |
+ 4045, 4048, 4049, 4050, 4051, 4052, 4053, 4054, |
+ 4047, 4056, 4057, 4056, 4057, 4056, 4057, 4056, |
4057, 4056, 4057, 4056, 4057, 4059, 4059, 4059, |
4059, 4059, 4059, 4061, 4061, 4061, 4061, 4061, |
4061, 4055, 4058, 4060, 4062, 34, 4064, 4065, |
@@ -18424,8 +18449,8 @@ |
10274, 10276, 10278, 10280, 10282, 10284, 10229, 10232, |
10235, 10238, 10241, 10244, 10247, 10250, 10253, 10255, |
10257, 10259, 10261, 10263, 10265, 10267, 10269, 10271, |
- 10273, 10275, 10277, 10279, 10281, 10283, 10285, 10286, |
- 10287, 10288, 10290, 10291, 10292, 10289, 10294, 10295, |
+ 10273, 10275, 10277, 10279, 10281, 10283, 10286, 10287, |
+ 10288, 10289, 10290, 10291, 10292, 10285, 10294, 10295, |
10297, 10298, 10300, 10301, 10303, 10304, 10306, 10307, |
10309, 10310, 10312, 10313, 10315, 10317, 10319, 10321, |
10323, 10325, 10327, 10329, 10331, 10333, 10335, 10337, |
@@ -21942,58 +21967,15 @@ |
-#define GET_VEX_PREFIX3() vex_prefix3 |
-#define SET_VEX_PREFIX3(P) vex_prefix3 = (P) |
-#define SET_DATA16_PREFIX(S) instruction.prefix.data16 = (S) |
-#define SET_LOCK_PREFIX(S) instruction.prefix.lock = (S) |
-#define SET_REPZ_PREFIX(S) instruction.prefix.repz = (S) |
-#define SET_REPNZ_PREFIX(S) instruction.prefix.repnz = (S) |
-#define SET_BRANCH_TAKEN(S) instruction.prefix.branch_taken = (S) |
-#define SET_BRANCH_NOT_TAKEN(S) instruction.prefix.branch_not_taken = (S) |
-#define SET_INSTRUCTION_NAME(N) instruction.name = (N) |
-#define GET_OPERAND_NAME(N) instruction.operands[(N)].name |
-#define SET_OPERAND_NAME(N, S) instruction.operands[(N)].name = (S) |
-#define SET_OPERAND_TYPE(N, S) instruction.operands[(N)].type = (S) |
-#define SET_OPERANDS_COUNT(N) instruction.operands_count = (N) |
-#define SET_MODRM_BASE(N) instruction.rm.base = (N) |
-#define SET_MODRM_INDEX(N) instruction.rm.index = (N) |
-#define SET_MODRM_SCALE(S) instruction.rm.scale = (S) |
-#define SET_DISP_TYPE(T) instruction.rm.disp_type = (T) |
-#define SET_DISP_PTR(P) disp = (P) |
-#define SET_IMM_TYPE(T) imm_operand = (T) |
-#define SET_IMM_PTR(P) imm = (P) |
-#define SET_IMM2_TYPE(T) imm2_operand = (T) |
-#define SET_IMM2_PTR(P) imm2 = (P) |
-#define SET_CPU_FEATURE(F) |
-#define SET_ATT_INSTRUCTION_SUFFIX(S) instruction.att_instruction_suffix = (S) |
- |
-enum { |
- REX_B = 1, |
- REX_X = 2, |
- REX_R = 4, |
- REX_W = 8 |
-}; |
- |
-enum imm_mode { |
- IMMNONE, |
- IMM2, |
- IMM8, |
- IMM16, |
- IMM32 |
-}; |
- |
int DecodeChunkIA32(const uint8_t *data, size_t size, |
ProcessInstructionFunc process_instruction, |
ProcessDecodingErrorFunc process_error, void *userdata) { |
const uint8_t *current_position = data; |
const uint8_t *end_of_data = data + size; |
- const uint8_t *disp = NULL; |
- const uint8_t *imm = NULL; |
- const uint8_t *imm2 = NULL; |
const uint8_t *instruction_start = current_position; |
uint8_t vex_prefix3 = 0x00; |
- enum imm_mode imm_operand = IMMNONE; |
- enum imm_mode imm2_operand = IMMNONE; |
+ enum ImmediateMode imm_operand = IMMNONE; |
+ enum ImmediateMode imm2_operand = IMMNONE; |
struct Instruction instruction; |
int result = TRUE; |
@@ -26394,52 +26376,28 @@ |
break; |
case 1382: |
{ |
- switch (instruction.rm.disp_type) { |
- case DISPNONE: instruction.rm.offset = 0; break; |
- case DISP8: instruction.rm.offset = (int8_t) *disp; break; |
- case DISP16: instruction.rm.offset = |
- (int16_t) (disp[0] + 256U * disp[1]); |
- break; |
- case DISP32: instruction.rm.offset = (int32_t) |
- (disp[0] + 256U * (disp[1] + 256U * (disp[2] + 256U * (disp[3])))); |
- break; |
- case DISP64: assert(FALSE); |
- } |
- switch (imm_operand) { |
- case IMMNONE: instruction.imm[0] = 0; break; |
- case IMM2: instruction.imm[0] = imm[0] & 0x03; break; |
- case IMM8: instruction.imm[0] = imm[0]; break; |
- case IMM16: instruction.imm[0] = (uint64_t) (*imm + 256U * (imm[1])); |
- break; |
- case IMM32: instruction.imm[0] = (uint64_t) |
- (imm[0] + 256U * (imm[1] + 256U * (imm[2] + 256U * (imm[3])))); |
- break; |
- } |
- switch (imm2_operand) { |
- case IMMNONE: instruction.imm[1] = 0; break; |
- case IMM2: instruction.imm[1] = imm2[0] & 0x03; break; |
- case IMM8: instruction.imm[1] = imm2[0]; break; |
- case IMM16: instruction.imm[1] = (uint64_t) |
- (imm2[0] + 256U * (imm2[1])); |
- break; |
- case IMM32: instruction.imm[1] = (uint64_t) |
- (imm2[0] + 256U * (imm2[1] + 256U * (imm2[2] + 256U * (imm2[3])))); |
- break; |
- } |
process_instruction(instruction_start, current_position+1, &instruction, |
userdata); |
instruction_start = current_position + 1; |
SET_DISP_TYPE(DISPNONE); |
SET_IMM_TYPE(IMMNONE); |
SET_IMM2_TYPE(IMMNONE); |
+ SET_REX_PREFIX(FALSE); |
SET_DATA16_PREFIX(FALSE); |
SET_LOCK_PREFIX(FALSE); |
SET_REPNZ_PREFIX(FALSE); |
SET_REPZ_PREFIX(FALSE); |
SET_BRANCH_NOT_TAKEN(FALSE); |
SET_BRANCH_TAKEN(FALSE); |
+ /* Top three bis of VEX2 are inverted: see AMD/Intel manual. */ |
+ SET_VEX_PREFIX2(0xe0); |
SET_VEX_PREFIX3(0x00); |
SET_ATT_INSTRUCTION_SUFFIX(NULL); |
+ CLEAR_SPURIOUS_DATA16(); |
+ CLEAR_SPURIOUS_REX_B(); |
+ CLEAR_SPURIOUS_REX_X(); |
+ CLEAR_SPURIOUS_REX_R(); |
+ CLEAR_SPURIOUS_REX_W(); |
} |
break; |
case 1383: |