diff options
author | Cyrille Bagard <nocbos@gmail.com> | 2008-09-20 15:28:57 (GMT) |
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committer | Cyrille Bagard <nocbos@gmail.com> | 2008-09-20 15:28:57 (GMT) |
commit | 2ccf097c9344465944089bebbc2ffd66ac93e1fd (patch) | |
tree | 74c535a32198bb04139cd85431e7c6ed780c5973 /src/arch/x86/op_adc.c | |
parent | 286c0872cc37d3dd6c2633cb61e4680123015d52 (diff) |
Centralized all the code used to decode instructions.
git-svn-id: svn://svn.gna.org/svn/chrysalide/trunk@32 abbe820e-26c8-41b2-8c08-b7b2b41f8b0a
Diffstat (limited to 'src/arch/x86/op_adc.c')
-rw-r--r-- | src/arch/x86/op_adc.c | 36 |
1 files changed, 3 insertions, 33 deletions
diff --git a/src/arch/x86/op_adc.c b/src/arch/x86/op_adc.c index 9ff0f63..8927607 100644 --- a/src/arch/x86/op_adc.c +++ b/src/arch/x86/op_adc.c @@ -46,53 +46,23 @@ * * ******************************************************************************/ -asm_x86_instr *x86_read_instr_adc8_with_reg1632(const uint8_t *data, off_t *pos, off_t len, uint64_t offset, const asm_x86_processor *proc) +asm_x86_instr *x86_read_instr_adc_imm8_to_rm1632(const uint8_t *data, off_t *pos, off_t len, uint64_t offset, const asm_x86_processor *proc) { asm_x86_instr *result; /* Instruction à retourner */ AsmOperandSize oprsize; /* Taille des opérandes */ - asm_x86_operand *reg; /* Registre de destination */ - asm_x86_operand *value; /* Valeur empilée */ result = (asm_x86_instr *)calloc(1, sizeof(asm_x86_instr)); - /* Utilisation des registres 32 bits ? */ - if (data[*pos] == 0x66) - { - oprsize = switch_x86_operand_size(proc); - (*pos)++; - } - else oprsize = get_x86_current_operand_size(proc); + oprsize = switch_x86_operand_size_if_needed(proc, data, pos); ASM_INSTRUCTION(result)->opcode = data[(*pos)++]; - /* TODO ! */ - if ((data[*pos] & 0xc0) != 0xc0) - return NULL; - - reg = x86_create_reg1632_operand_from_modrm(data[*pos], oprsize == AOS_32_BITS, false); - if (reg == NULL) - { - free(result); - return NULL; - } - - (*pos)++; - - value = create_new_x86_operand(); - if (!fill_imm_operand(ASM_OPERAND(value), AOS_8_BITS, data, pos, len)) + if (!x86_read_two_operands(result, data, pos, len, X86_OTP_RM1632, X86_OTP_IMM8, oprsize)) { - free(reg); - free(value); free(result); return NULL; } - ASM_INSTRUCTION(result)->operands = (asm_operand **)calloc(2, sizeof(asm_operand *)); - ASM_INSTRUCTION(result)->operands_count = 2; - - ASM_INSTRUCTION(result)->operands[0] = ASM_OPERAND(reg); - ASM_INSTRUCTION(result)->operands[1] = ASM_OPERAND(value); - return result; } |