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author | Cyrille Bagard <nocbos@gmail.com> | 2008-10-26 23:37:51 (GMT) |
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committer | Cyrille Bagard <nocbos@gmail.com> | 2008-10-26 23:37:51 (GMT) |
commit | 197933fdf469ab9b8897b33c51809c128f1e3c03 (patch) | |
tree | 104d91be1a69d80eb4b59b247e4b719531bc7492 /src/arch/x86/op_sub.c | |
parent | ac438e8ad47f267c9eb6f462eb5a7e2b5c017f26 (diff) |
Completed support of the 0x81 and 0xc1 opcodes.
git-svn-id: svn://svn.gna.org/svn/chrysalide/trunk@37 abbe820e-26c8-41b2-8c08-b7b2b41f8b0a
Diffstat (limited to 'src/arch/x86/op_sub.c')
-rw-r--r-- | src/arch/x86/op_sub.c | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/src/arch/x86/op_sub.c b/src/arch/x86/op_sub.c index 7c282cc..6978a26 100644 --- a/src/arch/x86/op_sub.c +++ b/src/arch/x86/op_sub.c @@ -104,3 +104,41 @@ asm_x86_instr *x86_read_instr_sub_r1632_from_rm1632(const uint8_t *data, off_t * return result; } + + +/****************************************************************************** +* * +* Paramètres : data = flux de données à analyser. * +* pos = position courante dans ce flux. [OUT] * +* len = taille totale des données à analyser. * +* offset = adresse virtuelle de l'instruction. * +* proc = architecture ciblée par le désassemblage. * +* * +* Description : Décode une instruction de type 'sub' (16 ou 32 bits). * +* * +* Retour : Instruction mise en place ou NULL. * +* * +* Remarques : - * +* * +******************************************************************************/ + +asm_x86_instr *x86_read_instr_sub_rm1632_imm1632(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 */ + + result = (asm_x86_instr *)calloc(1, sizeof(asm_x86_instr)); + + oprsize = switch_x86_operand_size_if_needed(proc, data, pos); + + ASM_INSTRUCTION(result)->opcode = data[(*pos)++]; + + if (!x86_read_two_operands(result, data, pos, len, X86_OTP_RM1632, X86_OTP_IMM1632, oprsize)) + { + free(result); + return NULL; + } + + return result; + +} |