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Diffstat (limited to 'src/arch/x86/processor.c')
-rw-r--r--src/arch/x86/processor.c49
1 files changed, 30 insertions, 19 deletions
diff --git a/src/arch/x86/processor.c b/src/arch/x86/processor.c
index 3fde754..8cc3a72 100644
--- a/src/arch/x86/processor.c
+++ b/src/arch/x86/processor.c
@@ -239,6 +239,7 @@ AsmOperandSize switch_x86_operand_size_if_needed(const asm_x86_processor *proc,
void x86_register_instructions(asm_x86_processor *proc)
{
register_opcode(proc->opcodes[X86_OP_ADD_RM8_R8], 0x00, "add", x86_read_instr_add_rm8_r8);
+ register_opcode(proc->opcodes[X86_OP_ADD_RM1632_R1632], 0x01, "add", x86_read_instr_add_rm1632_r1632);
register_opcode_1632(proc->opcodes[X86_OP_SUB_R1632_RM1632], 0x29, "sub", x86_read_instr_sub_r1632_from_rm1632);
@@ -289,6 +290,9 @@ void x86_register_instructions(asm_x86_processor *proc)
register_opcode_1632(proc->opcodes[X86_OP_PUSH_IMM1632], 0x68, "push", x86_read_instr_push_imm1632);
+ register_opcode(proc->opcodes[X86_OP_JB_REL8], 0x72, "jb", x86_read_instr_jb_rel8);
+ register_opcode(proc->opcodes[X86_OP_JNB_REL8], 0x73, "jnb", x86_read_instr_jnb_rel8);
+
register_opcode(proc->opcodes[X86_OP_JE_8], 0x74, "je", x86_read_instr_je_8);
register_opcode(proc->opcodes[X86_OP_JNE_8], 0x75, "jne", x86_read_instr_jne_8);
@@ -316,6 +320,7 @@ void x86_register_instructions(asm_x86_processor *proc)
register_opcode(proc->opcodes[X86_OP_TEST_RM8_R8], 0x84, "test", x86_read_instr_test_rm8_with_r8);
register_opcode_1632(proc->opcodes[X86_OP_TEST_RM1632_R1632], 0x85, "test", x86_read_instr_test_rm1632_with_r1632);
+ register_opcode(proc->opcodes[X86_OP_MOV_RM8_R8], 0x88, "mov", x86_read_instr_mov_rm8_r8);
register_opcode_1632(proc->opcodes[X86_OP_MOV_RM1632_R1632], 0x89, "mov", x86_read_instr_mov_r1632_to_rm1632);
register_opcode_1632(proc->opcodes[X86_OP_MOV_R1632_RM1632], 0x8b, "mov", x86_read_instr_mov_rm1632_to_r1632);
@@ -359,6 +364,7 @@ void x86_register_instructions(asm_x86_processor *proc)
register_opcode(proc->opcodes[X86_OP_INT], 0xcd, "int", x86_read_instr_int);
+ register_opcode_1632_with_ext(proc->opcodes[X86_OP_SHL_RM1632_CL], 0xd3, 4, "shl", x86_read_instr_shl_rm1632_cl);
register_opcode_1632(proc->opcodes[X86_OP_CALL_REL1632], 0xe8, "call", x86_read_instr_call_rel1632);
register_opcode_1632(proc->opcodes[X86_OP_JMP_REL1632], 0xe9, "jmp", x86_read_instr_jmp_rel1632);
@@ -367,11 +373,17 @@ void x86_register_instructions(asm_x86_processor *proc)
register_opcode(proc->opcodes[X86_OP_HLT], 0xf4, "hlt", x86_read_instr_hlt);
+ register_opcode_1632_with_ext(proc->opcodes[X86_OP_NOT_RM1632], 0xf7, 7, "not", x86_read_instr_not_rm1632);
+
+ register_opcode(proc->opcodes[X86_OP_CLD], 0xfc, "cld", x86_read_instr_cld);
+
register_opcode_1632_with_ext(proc->opcodes[X86_OP_CALL_RM1632], 0xff, 2, "call", x86_read_instr_call_rm1632);
register_opcode_1632_with_ext(proc->opcodes[X86_OP_JMP_RM1632], 0xff, 4, "jmp", x86_read_instr_jmp_rm1632);
register_opcode_1632_with_ext(proc->opcodes[X86_OP_PUSH_RM1632], 0xff, 6, "push", x86_read_instr_push_rm1632);
- //register_2b_opcode_1632(proc->opcodes[X86_OP_MOVZX_R1632_RM8], 0xb6, "movzx", x86_read_instr_movzx_r1632_rm8);
+ register_2b_opcode_1632(proc->opcodes[X86_OP_MOVZX_R1632_RM8], 0xb6, "movzx", x86_read_instr_movzx_r1632_rm8);
+
+ register_2b_opcode_1632(proc->opcodes[X86_OP_MOVSX_R1632_RM8], 0xbe, "movsx", x86_read_instr_movsx_r1632_rm8);
}
@@ -398,33 +410,32 @@ asm_instr *x86_fetch_instruction(const asm_x86_processor *proc, const uint8_t *d
{
asm_x86_instr *result; /* Résultat à faire remonter */
X86Prefix prefix; /* Préfixe détecté */
+ off_t k; /* Itération sur le contenu */
X86Opcodes i; /* Boucle de parcours */
result = NULL;
prefix = X86_PRE_NONE;
- consume_prefix:
-
- switch (data[*pos])
- {
- case 0x66:
- prefix |= X86_PRE_OPSIZE;
- (*pos)++;
- break;
+ for (k = *pos; k < len; k++)
+ switch (data[k])
+ {
+ case 0x66:
+ prefix |= X86_PRE_OPSIZE;
+ break;
- case 0x0f:
- prefix |= X86_PRE_ESCAPE;
- (*pos)++;
- break;
+ case 0x0f:
+ prefix |= X86_PRE_ESCAPE;
+ break;
- default:
- goto found_instr;
- break;
+ default:
+ goto found_instr;
+ break;
- }
+ }
- goto consume_prefix;
+ /* Contenu binaire tronqué */
+ return NULL;
found_instr:
@@ -432,7 +443,7 @@ asm_instr *x86_fetch_instruction(const asm_x86_processor *proc, const uint8_t *d
{
if ((prefix & proc->opcodes[i].prefix) != prefix) continue;
- if (data[*pos] != proc->opcodes[i].opcode) continue;
+ if (data[k] != proc->opcodes[i].opcode) continue;
result = proc->opcodes[i].read(data, pos, len, offset, proc);
if (result != NULL) result->type = i;