OPF_RMD = (1 << 0), /* removed or optimized out */
OPF_DATA = (1 << 1), /* data processing - writes to dst opr */
OPF_FLAGS = (1 << 2), /* sets flags */
- OPF_JMP = (1 << 3), /* branches, ret and call */
- OPF_CC = (1 << 4), /* uses flags */
- OPF_TAIL = (1 << 5), /* ret or tail call */
- OPF_RSAVE = (1 << 6), /* push/pop is local reg save/load */
- OPF_REP = (1 << 7), /* prefixed by rep */
- OPF_REPZ = (1 << 8), /* rep is repe/repz */
- OPF_REPNZ = (1 << 9), /* rep is repne/repnz */
- OPF_FARG = (1 << 10), /* push collected as func arg (no reuse) */
- OPF_EBP_S = (1 << 11), /* ebp used as scratch here, not BP */
+ OPF_JMP = (1 << 3), /* branch, call */
+ OPF_CJMP = (1 << 4), /* cond. branch (cc or jecxz) */
+ OPF_CC = (1 << 5), /* uses flags */
+ OPF_TAIL = (1 << 6), /* ret or tail call */
+ OPF_RSAVE = (1 << 7), /* push/pop is local reg save/load */
+ OPF_REP = (1 << 8), /* prefixed by rep */
+ OPF_REPZ = (1 << 9), /* rep is repe/repz */
+ OPF_REPNZ = (1 << 10), /* rep is repne/repnz */
+ OPF_FARG = (1 << 11), /* push collected as func arg (no reuse) */
+ OPF_EBP_S = (1 << 12), /* ebp used as scratch here, not BP */
+ OPF_DF = (1 << 13), /* DF flag set */
+ OPF_ATAIL = (1 << 14), /* tail call with reused arg frame */
+ OPF_32BIT = (1 << 15), /* 32bit division */
+ OPF_LOCK = (1 << 16), /* op has lock prefix */
};
enum op_op {
OP_NOP,
OP_PUSH,
OP_POP,
+ OP_LEAVE,
OP_MOV,
OP_LEA,
OP_MOVZX,
OP_MOVSX,
+ OP_XCHG,
OP_NOT,
OP_CDQ,
OP_STOS,
OP_MOVS,
OP_CMPS,
+ OP_SCAS,
+ OP_STD,
+ OP_CLD,
OP_RET,
OP_ADD,
OP_SUB,
OP_SAR,
OP_ROL,
OP_ROR,
+ OP_RCL,
+ OP_RCR,
OP_ADC,
OP_SBB,
OP_INC,
OP_CMP,
OP_CALL,
OP_JMP,
+ OP_JECXZ,
OP_JO,
OP_JNO,
OP_JC,
unsigned int type_from_var:1; // .. in header, sometimes wrong
unsigned int size_mismatch:1; // type override differs from C
unsigned int size_lt:1; // type override is larger than C
+ unsigned int had_ds:1; // had ds: prefix
int reg;
unsigned int val;
char name[256];
};
// datap:
-// OP_CALL - ptr to parsed_proto
+// OP_CALL - parser proto hint (str), ptr to struct parsed_proto
// (OPF_CC) - point to one of (OPF_FLAGS) that affects cc op
+// OP_POP - point to OP_PUSH in push/pop pair
struct parsed_equ {
char name[64];
static struct parsed_op ops[MAX_OPS];
static struct parsed_equ *g_eqs;
static int g_eqcnt;
-static char g_labels[MAX_OPS][32];
+static char g_labels[MAX_OPS][48];
static struct label_ref g_label_refs[MAX_OPS];
static const struct parsed_proto *g_func_pp;
static struct parsed_data *g_func_pd;
if (!IS_START(name, "esp+"))
return NULL;
- p = strchr(name + 4, '+');
+ s = name + 4;
+ p = strchr(s, '+');
if (p) {
- // must be a number after esp+, already converted to 0x..
- s = name + 4;
+ if (is_reg_in_str(s)) {
+ if (extra_reg != NULL) {
+ strncpy(extra_reg, s, p - s);
+ extra_reg[p - s] = 0;
+ }
+ s = p + 1;
+ p = strchr(s, '+');
+ if (p == NULL)
+ aerr("%s IDA stackvar not set?\n", __func__);
+ }
if (!('0' <= *s && *s <= '9')) {
- aerr("%s nan?\n", __func__);
+ aerr("%s IDA stackvar offset not set?\n", __func__);
return NULL;
}
if (s[0] == '0' && s[1] == 'x')
{
static const char *dword_types[] = {
"int", "_DWORD", "UINT_PTR", "DWORD",
- "WPARAM", "LPARAM", "UINT",
- "HIMC",
+ "WPARAM", "LPARAM", "UINT", "__int32",
+ "LONG", "HIMC",
};
static const char *word_types[] = {
"uint16_t", "int16_t", "_WORD",
static const char *byte_types[] = {
"uint8_t", "int8_t", "char",
"unsigned __int8", "__int8", "BYTE", "_BYTE",
- "_UNKNOWN",
+ "CHAR", "_UNKNOWN",
};
const char *n;
int i;
if (label != NULL) {
opr->type = OPT_LABEL;
- if (IS_START(label, "ds:"))
+ if (IS_START(label, "ds:")) {
+ opr->had_ds = 1;
label += 3;
+ }
strcpy(opr->name, label);
return wordc;
}
if (wordc_in != 1)
aerr("parse_operand 1 word expected\n");
- if (IS_START(words[w], "ds:"))
+ if (IS_START(words[w], "ds:")) {
+ opr->had_ds = 1;
memmove(words[w], words[w] + 3, strlen(words[w]) - 2);
+ }
strcpy(opr->name, words[w]);
if (words[w][0] == '[') {
{ "repz", OPF_REP|OPF_REPZ },
{ "repne", OPF_REP|OPF_REPNZ },
{ "repnz", OPF_REP|OPF_REPNZ },
+ { "lock", OPF_LOCK }, // ignored for now..
};
+#define OPF_CJMP_CC (OPF_JMP|OPF_CJMP|OPF_CC)
+
static const struct {
const char *name;
enum op_op op;
{ "nop", OP_NOP, 0, 0, 0 },
{ "push", OP_PUSH, 1, 1, 0 },
{ "pop", OP_POP, 1, 1, OPF_DATA },
+ { "leave",OP_LEAVE, 0, 0, OPF_DATA },
{ "mov" , OP_MOV, 2, 2, OPF_DATA },
{ "lea", OP_LEA, 2, 2, OPF_DATA },
{ "movzx",OP_MOVZX, 2, 2, OPF_DATA },
{ "movsx",OP_MOVSX, 2, 2, OPF_DATA },
+ { "xchg", OP_XCHG, 2, 2, OPF_DATA },
{ "not", OP_NOT, 1, 1, OPF_DATA },
{ "cdq", OP_CDQ, 0, 0, OPF_DATA },
{ "stosb",OP_STOS, 0, 0, OPF_DATA },
{ "cmpsb",OP_CMPS, 0, 0, OPF_DATA|OPF_FLAGS },
{ "cmpsw",OP_CMPS, 0, 0, OPF_DATA|OPF_FLAGS },
{ "cmpsd",OP_CMPS, 0, 0, OPF_DATA|OPF_FLAGS },
+ { "scasb",OP_SCAS, 0, 0, OPF_DATA|OPF_FLAGS },
+ { "scasw",OP_SCAS, 0, 0, OPF_DATA|OPF_FLAGS },
+ { "scasd",OP_SCAS, 0, 0, OPF_DATA|OPF_FLAGS },
+ { "std", OP_STD, 0, 0, OPF_DATA }, // special flag
+ { "cld", OP_CLD, 0, 0, OPF_DATA },
{ "add", OP_ADD, 2, 2, OPF_DATA|OPF_FLAGS },
{ "sub", OP_SUB, 2, 2, OPF_DATA|OPF_FLAGS },
{ "and", OP_AND, 2, 2, OPF_DATA|OPF_FLAGS },
{ "sar", OP_SAR, 2, 2, OPF_DATA|OPF_FLAGS },
{ "rol", OP_ROL, 2, 2, OPF_DATA|OPF_FLAGS },
{ "ror", OP_ROR, 2, 2, OPF_DATA|OPF_FLAGS },
+ { "rcl", OP_RCL, 2, 2, OPF_DATA|OPF_FLAGS|OPF_CC },
+ { "rcr", OP_RCR, 2, 2, OPF_DATA|OPF_FLAGS|OPF_CC },
{ "adc", OP_ADC, 2, 2, OPF_DATA|OPF_FLAGS|OPF_CC },
{ "sbb", OP_SBB, 2, 2, OPF_DATA|OPF_FLAGS|OPF_CC },
{ "inc", OP_INC, 1, 1, OPF_DATA|OPF_FLAGS },
{ "retn", OP_RET, 0, 1, OPF_TAIL },
{ "call", OP_CALL, 1, 1, OPF_JMP|OPF_DATA|OPF_FLAGS },
{ "jmp", OP_JMP, 1, 1, OPF_JMP },
- { "jo", OP_JO, 1, 1, OPF_JMP|OPF_CC }, // 70 OF=1
- { "jno", OP_JNO, 1, 1, OPF_JMP|OPF_CC }, // 71 OF=0
- { "jc", OP_JC, 1, 1, OPF_JMP|OPF_CC }, // 72 CF=1
- { "jb", OP_JC, 1, 1, OPF_JMP|OPF_CC }, // 72
- { "jnc", OP_JNC, 1, 1, OPF_JMP|OPF_CC }, // 73 CF=0
- { "jnb", OP_JNC, 1, 1, OPF_JMP|OPF_CC }, // 73
- { "jae", OP_JNC, 1, 1, OPF_JMP|OPF_CC }, // 73
- { "jz", OP_JZ, 1, 1, OPF_JMP|OPF_CC }, // 74 ZF=1
- { "je", OP_JZ, 1, 1, OPF_JMP|OPF_CC }, // 74
- { "jnz", OP_JNZ, 1, 1, OPF_JMP|OPF_CC }, // 75 ZF=0
- { "jne", OP_JNZ, 1, 1, OPF_JMP|OPF_CC }, // 75
- { "jbe", OP_JBE, 1, 1, OPF_JMP|OPF_CC }, // 76 CF=1 || ZF=1
- { "jna", OP_JBE, 1, 1, OPF_JMP|OPF_CC }, // 76
- { "ja", OP_JA, 1, 1, OPF_JMP|OPF_CC }, // 77 CF=0 && ZF=0
- { "jnbe", OP_JA, 1, 1, OPF_JMP|OPF_CC }, // 77
- { "js", OP_JS, 1, 1, OPF_JMP|OPF_CC }, // 78 SF=1
- { "jns", OP_JNS, 1, 1, OPF_JMP|OPF_CC }, // 79 SF=0
- { "jp", OP_JP, 1, 1, OPF_JMP|OPF_CC }, // 7a PF=1
- { "jpe", OP_JP, 1, 1, OPF_JMP|OPF_CC }, // 7a
- { "jnp", OP_JNP, 1, 1, OPF_JMP|OPF_CC }, // 7b PF=0
- { "jpo", OP_JNP, 1, 1, OPF_JMP|OPF_CC }, // 7b
- { "jl", OP_JL, 1, 1, OPF_JMP|OPF_CC }, // 7c SF!=OF
- { "jnge", OP_JL, 1, 1, OPF_JMP|OPF_CC }, // 7c
- { "jge", OP_JGE, 1, 1, OPF_JMP|OPF_CC }, // 7d SF=OF
- { "jnl", OP_JGE, 1, 1, OPF_JMP|OPF_CC }, // 7d
- { "jle", OP_JLE, 1, 1, OPF_JMP|OPF_CC }, // 7e ZF=1 || SF!=OF
- { "jng", OP_JLE, 1, 1, OPF_JMP|OPF_CC }, // 7e
- { "jg", OP_JG, 1, 1, OPF_JMP|OPF_CC }, // 7f ZF=0 && SF=OF
- { "jnle", OP_JG, 1, 1, OPF_JMP|OPF_CC }, // 7f
+ { "jecxz",OP_JECXZ, 1, 1, OPF_JMP|OPF_CJMP },
+ { "jo", OP_JO, 1, 1, OPF_CJMP_CC }, // 70 OF=1
+ { "jno", OP_JNO, 1, 1, OPF_CJMP_CC }, // 71 OF=0
+ { "jc", OP_JC, 1, 1, OPF_CJMP_CC }, // 72 CF=1
+ { "jb", OP_JC, 1, 1, OPF_CJMP_CC }, // 72
+ { "jnc", OP_JNC, 1, 1, OPF_CJMP_CC }, // 73 CF=0
+ { "jnb", OP_JNC, 1, 1, OPF_CJMP_CC }, // 73
+ { "jae", OP_JNC, 1, 1, OPF_CJMP_CC }, // 73
+ { "jz", OP_JZ, 1, 1, OPF_CJMP_CC }, // 74 ZF=1
+ { "je", OP_JZ, 1, 1, OPF_CJMP_CC }, // 74
+ { "jnz", OP_JNZ, 1, 1, OPF_CJMP_CC }, // 75 ZF=0
+ { "jne", OP_JNZ, 1, 1, OPF_CJMP_CC }, // 75
+ { "jbe", OP_JBE, 1, 1, OPF_CJMP_CC }, // 76 CF=1 || ZF=1
+ { "jna", OP_JBE, 1, 1, OPF_CJMP_CC }, // 76
+ { "ja", OP_JA, 1, 1, OPF_CJMP_CC }, // 77 CF=0 && ZF=0
+ { "jnbe", OP_JA, 1, 1, OPF_CJMP_CC }, // 77
+ { "js", OP_JS, 1, 1, OPF_CJMP_CC }, // 78 SF=1
+ { "jns", OP_JNS, 1, 1, OPF_CJMP_CC }, // 79 SF=0
+ { "jp", OP_JP, 1, 1, OPF_CJMP_CC }, // 7a PF=1
+ { "jpe", OP_JP, 1, 1, OPF_CJMP_CC }, // 7a
+ { "jnp", OP_JNP, 1, 1, OPF_CJMP_CC }, // 7b PF=0
+ { "jpo", OP_JNP, 1, 1, OPF_CJMP_CC }, // 7b
+ { "jl", OP_JL, 1, 1, OPF_CJMP_CC }, // 7c SF!=OF
+ { "jnge", OP_JL, 1, 1, OPF_CJMP_CC }, // 7c
+ { "jge", OP_JGE, 1, 1, OPF_CJMP_CC }, // 7d SF=OF
+ { "jnl", OP_JGE, 1, 1, OPF_CJMP_CC }, // 7d
+ { "jle", OP_JLE, 1, 1, OPF_CJMP_CC }, // 7e ZF=1 || SF!=OF
+ { "jng", OP_JLE, 1, 1, OPF_CJMP_CC }, // 7e
+ { "jg", OP_JG, 1, 1, OPF_CJMP_CC }, // 7f ZF=0 && SF=OF
+ { "jnle", OP_JG, 1, 1, OPF_CJMP_CC }, // 7f
{ "seto", OP_JO, 1, 1, OPF_DATA|OPF_CC },
{ "setno", OP_JNO, 1, 1, OPF_DATA|OPF_CC },
{ "setc", OP_JC, 1, 1, OPF_DATA|OPF_CC },
break;
case OP_STOS:
+ case OP_SCAS:
if (op->operand_cnt != 0)
break;
- if (IS(words[op_w], "stosb"))
+ if (words[op_w][4] == 'b')
lmod = OPLM_BYTE;
- else if (IS(words[op_w], "stosw"))
+ else if (words[op_w][4] == 'w')
lmod = OPLM_WORD;
- else if (IS(words[op_w], "stosd"))
+ else if (words[op_w][4] == 'd')
lmod = OPLM_DWORD;
op->operand_cnt = 3;
setup_reg_opr(&op->operand[0], xDI, lmod, &op->regmask_src);
op->regmask_dst = op->regmask_src;
break;
+ case OP_XCHG:
+ op->regmask_src |= op->regmask_dst;
+ op->regmask_dst |= op->regmask_src;
+ break;
+
+ case OP_JECXZ:
+ op->operand_cnt = 1;
+ op->regmask_src = 1 << xCX;
+ op->operand[0].type = OPT_REG;
+ op->operand[0].reg = xCX;
+ op->operand[0].lmod = OPLM_DWORD;
+ break;
+
case OP_IMUL:
if (op->operand_cnt != 1)
break;
static void parse_stack_access(struct parsed_op *po,
const char *name, char *ofs_reg, int *offset_out,
- int *stack_ra_out, const char **bp_arg_out)
+ int *stack_ra_out, const char **bp_arg_out, int is_lea)
{
const char *bp_arg = "";
const char *p = NULL;
if (!strncmp(name, "ebp", 3))
stack_ra = 4;
- if (ofs_reg[0] == 0 && stack_ra <= offset && offset < stack_ra + 4)
+ // yes it sometimes LEAs ra for compares..
+ if (!is_lea && ofs_reg[0] == 0
+ && stack_ra <= offset && offset < stack_ra + 4)
+ {
ferr(po, "reference to ra? %d %d\n", offset, stack_ra);
+ }
*offset_out = offset;
*stack_ra_out = stack_ra;
if (po->flags & OPF_EBP_S)
ferr(po, "stack_frame_access while ebp is scratch\n");
- parse_stack_access(po, name, ofs_reg, &offset, &stack_ra, &bp_arg);
+ parse_stack_access(po, name, ofs_reg, &offset,
+ &stack_ra, &bp_arg, is_lea);
if (offset > stack_ra)
{
ferr(po, "bp_arg arg%d/w offset %d and type '%s' is too small\n",
i + 1, offset, g_func_pp->arg[i].type.name);
}
- if (popr->is_ptr && popr->lmod != OPLM_DWORD)
- ferr(po, "bp_arg arg%d: non-dword ptr access\n", i + 1);
+ // can't check this because msvc likes to reuse
+ // arg space for scratch..
+ //if (popr->is_ptr && popr->lmod != OPLM_DWORD)
+ // ferr(po, "bp_arg arg%d: non-dword ptr access\n", i + 1);
}
else
{
static void check_func_pp(struct parsed_op *po,
const struct parsed_proto *pp, const char *pfx)
{
+ char buf[256];
+
if (pp->argc_reg != 0) {
- if (!g_allow_regfunc)
- ferr(po, "%s: reg arg in arg-call unhandled yet\n", pfx);
+ if (/*!g_allow_regfunc &&*/ !pp->is_fastcall) {
+ pp_print(buf, sizeof(buf), pp);
+ ferr(po, "%s: unexpected reg arg in icall: %s\n", pfx, buf);
+ }
if (pp->argc_stack > 0 && pp->argc_reg != 2)
ferr(po, "%s: %d reg arg(s) with %d stack arg(s)\n",
pfx, pp->argc_reg, pp->argc_stack);
}
}
-static void check_label_read_ref(struct parsed_op *po, const char *name)
+static const char *check_label_read_ref(struct parsed_op *po,
+ const char *name)
{
const struct parsed_proto *pp;
if (pp->is_func)
check_func_pp(po, pp, "ref");
+
+ return pp->name;
}
static char *out_src_opr(char *buf, size_t buf_size,
- struct parsed_op *po, struct parsed_opr *popr, const char *cast,
+ struct parsed_op *po, struct parsed_opr *popr, const char *cast,
int is_lea)
{
char tmp1[256], tmp2[256];
char expr[256];
+ const char *name;
char *p;
int ret;
break;
case OPT_LABEL:
- check_label_read_ref(po, popr->name);
+ name = check_label_read_ref(po, popr->name);
if (cast[0] == 0 && popr->is_ptr)
cast = "(u32)";
if (is_lea)
- snprintf(buf, buf_size, "(u32)&%s", popr->name);
+ snprintf(buf, buf_size, "(u32)&%s", name);
else if (popr->size_lt)
snprintf(buf, buf_size, "%s%s%s%s", cast,
lmod_cast_u_ptr(po, popr->lmod),
- popr->is_array ? "" : "&",
- popr->name);
+ popr->is_array ? "" : "&", name);
else
- snprintf(buf, buf_size, "%s%s%s", cast, popr->name,
+ snprintf(buf, buf_size, "%s%s%s", cast, name,
popr->is_array ? "[0]" : "");
break;
case OPT_OFFSET:
- check_label_read_ref(po, popr->name);
+ name = check_label_read_ref(po, popr->name);
if (cast[0] == 0)
cast = "(u32)";
if (is_lea)
ferr(po, "lea an offset?\n");
- snprintf(buf, buf_size, "%s&%s", cast, popr->name);
+ snprintf(buf, buf_size, "%s&%s", cast, name);
break;
case OPT_CONST:
ferr(po, "lea from const?\n");
printf_number(tmp1, sizeof(tmp1), popr->val);
- snprintf(buf, buf_size, "%s%s",
- simplify_cast_num(cast, popr->val), tmp1);
+ if (popr->val == 0 && strchr(cast, '*'))
+ snprintf(buf, buf_size, "NULL");
+ else
+ snprintf(buf, buf_size, "%s%s",
+ simplify_cast_num(cast, popr->val), tmp1);
break;
default:
*is_inv = 1;
return PFO_LE;
+ case OP_RCL:
+ case OP_RCR:
case OP_ADC:
case OP_SBB:
return PFO_C;
// last op in stream - unconditional branch or ret
#define LAST_OP(_i) ((ops[_i].flags & OPF_TAIL) \
- || (ops[_i].flags & (OPF_JMP|OPF_CC)) == OPF_JMP)
+ || ((ops[_i].flags & (OPF_JMP|OPF_CJMP)) == OPF_JMP \
+ && ops[_i].op != OP_CALL))
static int scan_for_pop(int i, int opcnt, const char *reg,
int magic, int depth, int *maxdepth, int do_flags)
return -1;
}
- if (po->flags & OPF_CC) {
+ if (po->flags & OPF_CJMP) {
ret |= scan_for_pop(po->bt_i, opcnt, reg, magic,
depth, maxdepth, do_flags);
if (ret < 0)
return found ? 0 : -1;
}
+static void scan_propagate_df(int i, int opcnt)
+{
+ struct parsed_op *po = &ops[i];
+ int j;
+
+ for (; i < opcnt; i++) {
+ po = &ops[i];
+ if (po->flags & OPF_DF)
+ return; // already resolved
+ po->flags |= OPF_DF;
+
+ if (po->op == OP_CALL)
+ ferr(po, "call with DF set?\n");
+
+ if (po->flags & OPF_JMP) {
+ if (po->btj != NULL) {
+ // jumptable
+ for (j = 0; j < po->btj->count; j++)
+ scan_propagate_df(po->btj->d[j].bt_i, opcnt);
+ return;
+ }
+
+ if (po->bt_i < 0) {
+ ferr(po, "dead branch\n");
+ return;
+ }
+
+ if (po->flags & OPF_CJMP)
+ scan_propagate_df(po->bt_i, opcnt);
+ else
+ i = po->bt_i - 1;
+ continue;
+ }
+
+ if (po->flags & OPF_TAIL)
+ break;
+
+ if (po->op == OP_CLD) {
+ po->flags |= OPF_RMD;
+ return;
+ }
+ }
+
+ ferr(po, "missing DF clear?\n");
+}
+
// is operand 'opr' modified by parsed_op 'po'?
static int is_opr_modified(const struct parsed_opr *opr,
const struct parsed_op *po)
return 0;
}
- if ((ops[i].flags & OPF_JMP) && !(ops[i].flags & OPF_CC))
+ if ((ops[i].flags & (OPF_JMP|OPF_CJMP)) == OPF_JMP)
return -1;
}
}
// scan for positive, constant esp adjust
-static int scan_for_esp_adjust(int i, int opcnt, int *adj)
+static int scan_for_esp_adjust(int i, int opcnt, int *adj,
+ int *multipath)
{
const struct parsed_proto *pp;
struct parsed_op *po;
int first_pop = -1;
- *adj = 0;
+
+ *adj = *multipath = 0;
for (; i < opcnt; i++) {
po = &ops[i];
if (g_labels[i][0] != 0)
- break;
+ *multipath = 1;
if (po->op == OP_ADD && po->operand[0].reg == xSP) {
if (po->operand[1].type != OPT_CONST)
ferr(&ops[i], "unaligned esp adjust: %x\n", *adj);
return i;
}
- else if (po->op == OP_PUSH) {
- if (first_pop == -1)
- first_pop = -2; // none
+ else if (po->op == OP_PUSH && !(po->flags & OPF_RMD)) {
+ //if (first_pop == -1)
+ // first_pop = -2; // none
*adj -= lmod_bytes(po, po->operand[0].lmod);
}
- else if (po->op == OP_POP) {
- if (first_pop == -1)
+ else if (po->op == OP_POP && !(po->flags & OPF_RMD)) {
+ // seems like msvc only uses 'pop ecx' for stack realignment..
+ if (po->operand[0].type != OPT_REG || po->operand[0].reg != xCX)
+ break;
+ if (first_pop == -1 && *adj >= 0)
first_pop = i;
*adj += lmod_bytes(po, po->operand[0].lmod);
}
else if (po->flags & (OPF_JMP|OPF_TAIL)) {
+ if (po->op == OP_JMP && po->btj == NULL) {
+ i = po->bt_i - 1;
+ continue;
+ }
if (po->op != OP_CALL)
break;
if (po->operand[0].type != OPT_LABEL)
}
}
- if (*adj == 4 && first_pop >= 0 && ops[first_pop].op == OP_POP
- && ops[first_pop].operand[0].type == OPT_REG
- && ops[first_pop].operand[0].reg == xCX)
- {
+ if (first_pop >= 0) {
// probably 'pop ecx' was used..
return first_pop;
}
}
scan_fwd_set_flags(po->bt_i, opcnt, magic, flags);
- if (!(po->flags & OPF_CC))
+ if (!(po->flags & OPF_CJMP))
return;
}
if (po->flags & OPF_TAIL)
int offset = 0;
parse_stack_access(po, opr->name, ofs_reg,
- &offset, &stack_ra, NULL);
+ &offset, &stack_ra, NULL, 0);
if (ofs_reg[0] != 0)
ferr(po, "offset reg on arg access?\n");
if (offset <= stack_ra) {
struct parsed_op *po;
struct label_ref *lr;
- while (i >= 0) {
- if (ops[i].cc_scratch == magic)
- return;
- ops[i].cc_scratch = magic;
+ ops[i].cc_scratch = magic;
+ while (1) {
if (g_labels[i][0] != 0) {
lr = &g_label_refs[i];
for (; lr != NULL; lr = lr->next)
if (i > 0 && LAST_OP(i - 1))
return;
}
+
i--;
+ if (i < 0)
+ break;
+
+ if (ops[i].cc_scratch == magic)
+ return;
+ ops[i].cc_scratch = magic;
if (!(ops[i].flags & OPF_DATA))
continue;
if (lr->next != NULL)
need_op_saving = 1;
for (; lr->next; lr = lr->next) {
- if ((ops[lr->i].flags & (OPF_JMP|OPF_CC)) != OPF_JMP)
+ if ((ops[lr->i].flags & (OPF_JMP|OPF_CJMP)) != OPF_JMP)
may_reuse = 1;
ret = collect_call_args_r(po, lr->i, pp, regmask, save_arg_vars,
arg, magic, need_op_saving, may_reuse);
return ret;
}
- if ((ops[lr->i].flags & (OPF_JMP|OPF_CC)) != OPF_JMP)
+ if ((ops[lr->i].flags & (OPF_JMP|OPF_CJMP)) != OPF_JMP)
may_reuse = 1;
if (j > 0 && LAST_OP(j - 1)) {
// follow last branch in reverse
ferr(po, "arg collect %d/%d hit pop\n", arg, pp->argc);
}
- else if ((ops[j].flags & (OPF_JMP|OPF_CC)) == (OPF_JMP|OPF_CC))
+ else if (ops[j].flags & OPF_CJMP)
{
if (pp->is_unresolved)
break;
return ret;
}
+// early check for tail call or branch back
+static int is_like_tailjmp(int j)
+{
+ if (!(ops[j].flags & OPF_JMP))
+ return 0;
+
+ if (ops[j].op == OP_JMP && !ops[j].operand[0].had_ds)
+ // probably local branch back..
+ return 1;
+ if (ops[j].op == OP_CALL)
+ // probably noreturn call..
+ return 1;
+
+ return 0;
+}
+
static void pp_insert_reg_arg(struct parsed_proto *pp, const char *reg)
{
int i;
}
}
+static void output_pp_attrs(FILE *fout, const struct parsed_proto *pp,
+ int is_noreturn)
+{
+ if (pp->is_fastcall)
+ fprintf(fout, "__fastcall ");
+ else if (pp->is_stdcall && pp->argc_reg == 0)
+ fprintf(fout, "__stdcall ");
+ if (pp->is_noreturn || is_noreturn)
+ fprintf(fout, "noreturn ");
+}
+
static void gen_func(FILE *fout, FILE *fhdr, const char *funcn, int opcnt)
{
struct parsed_op *po, *delayed_flag_op = NULL, *tmp_op;
struct parsed_opr *last_arith_dst = NULL;
char buf1[256], buf2[256], buf3[256], cast[64];
const struct parsed_proto *pp_c;
- struct parsed_proto *pp;
+ struct parsed_proto *pp, *pp_tmp;
struct parsed_data *pd;
const char *tmpname;
enum parsed_flag_op pfo;
int save_arg_vars = 0;
- int cmp_result_vars = 0;
- int need_mul_var = 0;
+ int cond_vars = 0;
+ int need_tmp_var = 0;
+ int need_tmp64 = 0;
int had_decl = 0;
int label_pending = 0;
int regmask_save = 0;
int regmask_arg = 0;
int regmask_now = 0;
+ int regmask_init = 0;
int regmask = 0;
int pfomask = 0;
int found = 0;
ferr(ops, "proto_parse failed for '%s'\n", funcn);
fprintf(fout, "%s ", g_func_pp->ret_type.name);
- if (g_func_pp->is_stdcall && g_func_pp->argc_reg == 0)
- fprintf(fout, "__stdcall ");
- if (g_ida_func_attr & IDAFA_NORETURN)
- fprintf(fout, "noreturn ");
- fprintf(fout, "%s(", funcn);
+ output_pp_attrs(fout, g_func_pp, g_ida_func_attr & IDAFA_NORETURN);
+ fprintf(fout, "%s(", g_func_pp->name);
for (i = 0; i < g_func_pp->argc; i++) {
if (i > 0)
// func pointer..
pp = g_func_pp->arg[i].fptr;
fprintf(fout, "%s (", pp->ret_type.name);
- if (pp->is_stdcall && pp->argc_reg == 0)
- fprintf(fout, "__stdcall ");
+ output_pp_attrs(fout, pp, 0);
fprintf(fout, "*a%d)(", i + 1);
for (j = 0; j < pp->argc; j++) {
if (j > 0)
ferr(ops, "nested fptr\n");
fprintf(fout, "%s", pp->arg[j].type.name);
}
+ if (pp->is_vararg) {
+ if (j > 0)
+ fprintf(fout, ", ");
+ fprintf(fout, "...");
+ }
fprintf(fout, ")");
}
else {
for (; i < opcnt; i++)
if (ops[i].op == OP_RET)
break;
- if (i == opcnt && (ops[i - 1].flags & OPF_JMP) && found)
- break;
+ j = i - 1;
+ if (i == opcnt && (ops[j].flags & OPF_JMP)) {
+ if (found && is_like_tailjmp(j))
+ break;
+ j--;
+ }
- if (ops[i - 1].op == OP_POP && IS(opr_name(&ops[i - 1], 0), "ebp"))
- ops[i - 1].flags |= OPF_RMD;
+ if ((ops[j].op == OP_POP && IS(opr_name(&ops[j], 0), "ebp"))
+ || ops[j].op == OP_LEAVE)
+ {
+ ops[j].flags |= OPF_RMD;
+ }
else if (!(g_ida_func_attr & IDAFA_NORETURN))
- ferr(&ops[i - 1], "'pop ebp' expected\n");
+ ferr(&ops[j], "'pop ebp' expected\n");
if (g_stack_fsz != 0) {
- if (ops[i - 2].op == OP_MOV
- && IS(opr_name(&ops[i - 2], 0), "esp")
- && IS(opr_name(&ops[i - 2], 1), "ebp"))
+ if (ops[j - 1].op == OP_MOV
+ && IS(opr_name(&ops[j - 1], 0), "esp")
+ && IS(opr_name(&ops[j - 1], 1), "ebp"))
+ {
+ ops[j - 1].flags |= OPF_RMD;
+ }
+ else if (ops[j].op != OP_LEAVE
+ && !(g_ida_func_attr & IDAFA_NORETURN))
{
- ops[i - 2].flags |= OPF_RMD;
+ ferr(&ops[j - 1], "esp restore expected\n");
}
- else if (!(g_ida_func_attr & IDAFA_NORETURN))
- ferr(&ops[i - 2], "esp restore expected\n");
- if (ecx_push && ops[i - 3].op == OP_POP
- && IS(opr_name(&ops[i - 3], 0), "ecx"))
+ if (ecx_push && ops[j - 2].op == OP_POP
+ && IS(opr_name(&ops[j - 2], 0), "ecx"))
{
- ferr(&ops[i - 3], "unexpected ecx pop\n");
+ ferr(&ops[j - 2], "unexpected ecx pop\n");
}
}
}
}
+ found = 0;
if (g_sp_frame)
{
g_stack_fsz = ops[i].operand[1].val;
for (; i < opcnt; i++)
if (ops[i].op == OP_RET)
break;
- if (ops[i - 1].op != OP_ADD
- || !IS(opr_name(&ops[i - 1], 0), "esp")
- || ops[i - 1].operand[1].type != OPT_CONST
- || ops[i - 1].operand[1].val != g_stack_fsz)
- ferr(&ops[i - 1], "'add esp' expected\n");
- ops[i - 1].flags |= OPF_RMD;
+ j = i - 1;
+ if (i == opcnt && (ops[j].flags & OPF_JMP)) {
+ if (found && is_like_tailjmp(j))
+ break;
+ j--;
+ }
+
+ if (ops[j].op != OP_ADD
+ || !IS(opr_name(&ops[j], 0), "esp")
+ || ops[j].operand[1].type != OPT_CONST
+ || ops[j].operand[1].val != g_stack_fsz)
+ ferr(&ops[j], "'add esp' expected\n");
+ ops[j].flags |= OPF_RMD;
+ found = 1;
i++;
} while (i < opcnt);
}
continue;
if (po->op == OP_CALL) {
+ pp = NULL;
+
if (po->operand[0].type == OPT_LABEL) {
tmpname = opr_name(po, 0);
if (IS_START(tmpname, "loc_"))
pp_c = proto_parse(fhdr, tmpname, 0);
if (pp_c == NULL)
ferr(po, "proto_parse failed for call '%s'\n", tmpname);
- if (pp_c->is_fptr)
- check_func_pp(po, pp_c, "fptr var call");
- if (pp_c->is_noreturn)
- po->flags |= OPF_TAIL;
pp = proto_clone(pp_c);
my_assert_not(pp, NULL);
+ }
+ else if (po->datap != NULL) {
+ pp = calloc(1, sizeof(*pp));
+ my_assert_not(pp, NULL);
+
+ ret = parse_protostr(po->datap, pp);
+ if (ret < 0)
+ ferr(po, "bad protostr supplied: %s\n", (char *)po->datap);
+ free(po->datap);
+ po->datap = NULL;
+ }
+
+ if (pp != NULL) {
+ if (pp->is_fptr)
+ check_func_pp(po, pp, "fptr var call");
+ if (pp->is_noreturn)
+ po->flags |= OPF_TAIL;
po->datap = pp;
}
continue;
tailcall:
po->op = OP_CALL;
po->flags |= OPF_TAIL;
+ if (i > 0 && ops[i - 1].op == OP_POP)
+ po->flags |= OPF_ATAIL;
i--; // reprocess
}
if (l)
// not resolved just to single func
pp->is_fptr = 1;
+ if (po->operand[0].type == OPT_REG)
+ // we resolved this call and no longer need the register
+ po->regmask_src &= ~(1 << po->operand[0].reg);
}
if (pp == NULL) {
pp = calloc(1, sizeof(*pp));
my_assert_not(pp, NULL);
pp->is_fptr = 1;
- ret = scan_for_esp_adjust(i + 1, opcnt, &j);
+ ret = scan_for_esp_adjust(i + 1, opcnt, &j, &l);
if (ret < 0) {
if (!g_allow_regfunc)
ferr(po, "non-__cdecl indirect call unhandled yet\n");
// look for and make use of esp adjust
ret = -1;
if (!pp->is_stdcall && pp->argc_stack > 0)
- ret = scan_for_esp_adjust(i + 1, opcnt, &j);
+ ret = scan_for_esp_adjust(i + 1, opcnt, &j, &l);
if (ret >= 0) {
if (pp->is_vararg) {
if (j / 4 < pp->argc_stack)
tmpname, pp->argc_stack * 4, j);
ops[ret].flags |= OPF_RMD;
- // a bit of a hack, but deals with use of
- // single adj for multiple calls
- ops[ret].operand[1].val -= j;
+ if (ops[ret].op == OP_POP && j > 4) {
+ // deal with multi-pop stack adjust
+ j = pp->argc_stack;
+ while (ops[ret].op == OP_POP && j > 0 && ret < opcnt) {
+ ops[ret].flags |= OPF_RMD;
+ j--;
+ ret++;
+ }
+ }
+ else if (!l) {
+ // a bit of a hack, but deals with use of
+ // single adj for multiple calls
+ ops[ret].operand[1].val -= j;
+ }
}
else if (pp->is_vararg)
ferr(po, "missing esp_adjust for vararg func '%s'\n",
pp->name);
- for (arg = 0; arg < pp->argc; arg++) {
- if (pp->arg[arg].reg != NULL) {
- reg = char_array_i(regs_r32,
- ARRAY_SIZE(regs_r32), pp->arg[arg].reg);
- if (reg < 0)
- ferr(ops, "arg '%s' is not a reg?\n", pp->arg[arg].reg);
- regmask |= 1 << reg;
- }
-#if 0
- if (pp->arg[arg].fptr != NULL) {
- // can't call functions with non-__cdecl callbacks yet
- struct parsed_proto *pp_tmp;
- pp_tmp = pp->arg[arg].fptr;
- if (pp_tmp->argc_reg != 0)
- ferr(po, "'%s' has a callback with reg-args\n", tmpname);
- }
-#endif
- }
-
- if (!pp->is_unresolved) {
+ if (!pp->is_unresolved && !(po->flags & OPF_ATAIL)) {
// since we know the args, collect them
collect_call_args(po, i, pp, ®mask, &save_arg_vars,
i + opcnt * 2);
}
if (strstr(pp->ret_type.name, "int64"))
- need_mul_var = 1;
+ need_tmp64 = 1;
}
}
// pass4:
// - find POPs for PUSHes, rm both
+ // - scan for STD/CLD, propagate DF
// - scan for all used registers
// - find flag set ops for their users
// - do unreselved calls
regmask_save |= 1 << reg;
}
- if (po->op == OP_PUSH
- && po->argnum == 0 && !(po->flags & OPF_RSAVE)
- && po->operand[0].type == OPT_REG)
+ if (po->op == OP_PUSH && po->argnum == 0
+ && !(po->flags & OPF_RSAVE))
{
- reg = po->operand[0].reg;
- if (reg < 0)
- ferr(po, "reg not set for push?\n");
-
- depth = 0;
- ret = scan_for_pop(i + 1, opcnt,
- po->operand[0].name, i + opcnt * 3, 0, &depth, 0);
- if (ret == 1) {
- if (depth > 1)
- ferr(po, "too much depth: %d\n", depth);
-
- po->flags |= OPF_RMD;
- scan_for_pop(i + 1, opcnt, po->operand[0].name,
- i + opcnt * 4, 0, &depth, 1);
- continue;
+ if (po->operand[0].type == OPT_REG)
+ {
+ reg = po->operand[0].reg;
+ if (reg < 0)
+ ferr(po, "reg not set for push?\n");
+
+ depth = 0;
+ ret = scan_for_pop(i + 1, opcnt,
+ po->operand[0].name, i + opcnt * 3, 0, &depth, 0);
+ if (ret == 1) {
+ if (depth > 1)
+ ferr(po, "too much depth: %d\n", depth);
+
+ po->flags |= OPF_RMD;
+ scan_for_pop(i + 1, opcnt, po->operand[0].name,
+ i + opcnt * 4, 0, &depth, 1);
+ continue;
+ }
+ ret = scan_for_pop_ret(i + 1, opcnt, po->operand[0].name, 0);
+ if (ret == 0) {
+ arg = OPF_RMD;
+ if (regmask & (1 << reg)) {
+ if (regmask_save & (1 << reg))
+ ferr(po, "%s already saved?\n", po->operand[0].name);
+ arg = OPF_RSAVE;
+ }
+ po->flags |= arg;
+ scan_for_pop_ret(i + 1, opcnt, po->operand[0].name, arg);
+ continue;
+ }
}
- ret = scan_for_pop_ret(i + 1, opcnt, po->operand[0].name, 0);
- if (ret == 0) {
- arg = OPF_RMD;
- if (regmask & (1 << reg)) {
- if (regmask_save & (1 << reg))
- ferr(po, "%s already saved?\n", po->operand[0].name);
- arg = OPF_RSAVE;
+ else if (po->operand[0].type == OPT_CONST) {
+ for (j = i + 1; j < opcnt; j++) {
+ if ((ops[j].flags & (OPF_JMP|OPF_TAIL|OPF_RSAVE))
+ || ops[j].op == OP_PUSH || g_labels[i][0] != 0)
+ {
+ break;
+ }
+
+ if (!(ops[j].flags & OPF_RMD) && ops[j].op == OP_POP)
+ {
+ po->flags |= OPF_RMD;
+ ops[j].datap = po;
+ break;
+ }
}
- po->flags |= arg;
- scan_for_pop_ret(i + 1, opcnt, po->operand[0].name, arg);
- continue;
}
}
+ if (po->op == OP_STD) {
+ po->flags |= OPF_DF | OPF_RMD;
+ scan_propagate_df(i + 1, opcnt);
+ }
+
regmask_now = po->regmask_src | po->regmask_dst;
if (regmask_now & (1 << xBP)) {
if (g_bp_frame && !(po->flags & OPF_EBP_S)) {
if (po->regmask_dst & (1 << xBP))
// compiler decided to drop bp frame and use ebp as scratch
- scan_fwd_set_flags(i, opcnt, i + opcnt * 5, OPF_EBP_S);
+ scan_fwd_set_flags(i + 1, opcnt, i + opcnt * 5, OPF_EBP_S);
else
regmask_now &= ~(1 << xBP);
}
// to get nicer code, we try to delay test and cmp;
// if we can't because of operand modification, or if we
- // have math op, or branch, make it calculate flags explicitly
- if (tmp_op->op == OP_TEST || tmp_op->op == OP_CMP) {
+ // have arith op, or branch, make it calculate flags explicitly
+ if (tmp_op->op == OP_TEST || tmp_op->op == OP_CMP)
+ {
if (branched || scan_for_mod(tmp_op, setters[j] + 1, i, 0) >= 0)
pfomask = 1 << pfo;
}
- else if (tmp_op->op == OP_CMPS) {
- pfomask = 1 << PFO_Z;
+ else if (tmp_op->op == OP_CMPS || tmp_op->op == OP_SCAS) {
+ pfomask = 1 << pfo;
}
else {
// see if we'll be able to handle based on op result
|| branched
|| scan_for_mod_opr0(tmp_op, setters[j] + 1, i) >= 0)
pfomask = 1 << pfo;
+
+ if (tmp_op->op == OP_ADD && pfo == PFO_C)
+ need_tmp64 = 1;
}
if (pfomask) {
tmp_op->pfomask |= pfomask;
- cmp_result_vars |= pfomask;
+ cond_vars |= pfomask;
}
// note: may overwrite, currently not a problem
po->datap = tmp_op;
}
- if (po->op == OP_ADC || po->op == OP_SBB)
- cmp_result_vars |= 1 << PFO_C;
+ if (po->op == OP_RCL || po->op == OP_RCR
+ || po->op == OP_ADC || po->op == OP_SBB)
+ cond_vars |= 1 << PFO_C;
+ }
+ else if (po->op == OP_CMPS || po->op == OP_SCAS) {
+ cond_vars |= 1 << PFO_Z;
}
else if (po->op == OP_MUL
|| (po->op == OP_IMUL && po->operand_cnt == 1))
{
- need_mul_var = 1;
+ need_tmp64 = 1;
}
else if (po->op == OP_CALL) {
pp = po->datap;
ferr(po, "NULL pp\n");
if (pp->is_unresolved) {
- int regmask_push = 0;
- collect_call_args(po, i, pp, ®mask_push, &save_arg_vars,
+ int regmask_stack = 0;
+ collect_call_args(po, i, pp, ®mask, &save_arg_vars,
i + opcnt * 2);
- if (!((regmask_push & (1 << xCX))
- && (regmask_push & (1 << xDX))))
+ // this is pretty rough guess:
+ // see ecx and edx were pushed (and not their saved versions)
+ for (arg = 0; arg < pp->argc; arg++) {
+ if (pp->arg[arg].reg != NULL)
+ continue;
+
+ tmp_op = pp->arg[arg].datap;
+ if (tmp_op == NULL)
+ ferr(po, "parsed_op missing for arg%d\n", arg);
+ if (tmp_op->argnum == 0 && tmp_op->operand[0].type == OPT_REG)
+ regmask_stack |= 1 << tmp_op->operand[0].reg;
+ }
+
+ if (!((regmask_stack & (1 << xCX))
+ && (regmask_stack & (1 << xDX))))
{
if (pp->argc_stack != 0
- || ((regmask | regmask_arg) & (1 << xCX)))
+ || ((regmask | regmask_arg) & ((1 << xCX)|(1 << xDX))))
{
pp_insert_reg_arg(pp, "ecx");
+ pp->is_fastcall = 1;
+ regmask_init |= 1 << xCX;
regmask |= 1 << xCX;
}
if (pp->argc_stack != 0
|| ((regmask | regmask_arg) & (1 << xDX)))
{
pp_insert_reg_arg(pp, "edx");
+ regmask_init |= 1 << xDX;
regmask |= 1 << xDX;
}
}
- regmask |= regmask_push;
+
+ // note: __cdecl doesn't fall into is_unresolved category
+ if (pp->argc_stack > 0)
+ pp->is_stdcall = 1;
}
- if (pp->is_fptr) {
+ for (arg = 0; arg < pp->argc; arg++) {
+ if (pp->arg[arg].reg != NULL) {
+ reg = char_array_i(regs_r32,
+ ARRAY_SIZE(regs_r32), pp->arg[arg].reg);
+ if (reg < 0)
+ ferr(ops, "arg '%s' is not a reg?\n", pp->arg[arg].reg);
+ if (!(regmask & (1 << reg))) {
+ regmask_init |= 1 << reg;
+ regmask |= 1 << reg;
+ }
+ }
+ }
+
+ // declare indirect funcs
+ if (pp->is_fptr && !(pp->name[0] != 0 && pp->is_arg)) {
+ if (pp->name[0] != 0) {
+ memmove(pp->name + 2, pp->name, strlen(pp->name) + 1);
+ memcpy(pp->name, "i_", 2);
+
+ // might be declared already
+ found = 0;
+ for (j = 0; j < i; j++) {
+ if (ops[j].op == OP_CALL && (pp_tmp = ops[j].datap)) {
+ if (pp_tmp->is_fptr && IS(pp->name, pp_tmp->name)) {
+ found = 1;
+ break;
+ }
+ }
+ }
+ if (found)
+ continue;
+ }
+ else
+ snprintf(pp->name, sizeof(pp->name), "icall%d", i);
+
fprintf(fout, " %s (", pp->ret_type.name);
- if (pp->is_stdcall && pp->argc_reg == 0)
- fprintf(fout, "__stdcall ");
- fprintf(fout, "*icall%d)(", i);
+ output_pp_attrs(fout, pp, 0);
+ fprintf(fout, "*%s)(", pp->name);
for (j = 0; j < pp->argc; j++) {
if (j > 0)
fprintf(fout, ", ");
}
else if (po->op == OP_RET && !IS(g_func_pp->ret_type.name, "void"))
regmask |= 1 << xAX;
+ else if (po->op == OP_DIV || po->op == OP_IDIV) {
+ // 32bit division is common, look for it
+ if (po->op == OP_DIV)
+ ret = scan_for_reg_clear(i, xDX);
+ else
+ ret = scan_for_cdq_edx(i);
+ if (ret >= 0)
+ po->flags |= OPF_32BIT;
+ else
+ need_tmp64 = 1;
+ }
+ else if (po->op == OP_CLD)
+ po->flags |= OPF_RMD;
+
+ if (po->op == OP_RCL || po->op == OP_RCR || po->op == OP_XCHG) {
+ need_tmp_var = 1;
+ }
}
// pass4:
if (regmask_now) {
for (reg = 0; reg < 8; reg++) {
if (regmask_now & (1 << reg)) {
- fprintf(fout, " u32 %s;\n", regs_r32[reg]);
+ fprintf(fout, " u32 %s", regs_r32[reg]);
+ if (regmask_init & (1 << reg))
+ fprintf(fout, " = 0");
+ fprintf(fout, ";\n");
had_decl = 1;
}
}
}
}
- if (cmp_result_vars) {
+ if (cond_vars) {
for (i = 0; i < 8; i++) {
- if (cmp_result_vars & (1 << i)) {
+ if (cond_vars & (1 << i)) {
fprintf(fout, " u32 cond_%s;\n", parsed_flag_op_names[i]);
had_decl = 1;
}
}
}
- if (need_mul_var) {
- fprintf(fout, " u64 mul_tmp;\n");
+ if (need_tmp_var) {
+ fprintf(fout, " u32 tmp;\n");
+ had_decl = 1;
+ }
+
+ if (need_tmp64) {
+ fprintf(fout, " u64 tmp64;\n");
had_decl = 1;
}
if (po->flags & OPF_JMP) {
fprintf(fout, " if %s\n", buf1);
}
- else if (po->op == OP_ADC || po->op == OP_SBB) {
+ else if (po->op == OP_RCL || po->op == OP_RCR
+ || po->op == OP_ADC || po->op == OP_SBB)
+ {
if (is_delayed)
fprintf(fout, " cond_%s = %s;\n",
parsed_flag_op_names[pfo], buf1);
pfomask = po->pfomask;
+ if (po->flags & (OPF_REPZ|OPF_REPNZ)) {
+ // we need initial flags for ecx=0 case..
+ if (i > 0 && ops[i - 1].op == OP_XOR
+ && IS(ops[i - 1].operand[0].name,
+ ops[i - 1].operand[1].name))
+ {
+ fprintf(fout, " cond_z = ");
+ if (pfomask & (1 << PFO_C))
+ fprintf(fout, "cond_c = ");
+ fprintf(fout, "0;\n");
+ }
+ else if (last_arith_dst != NULL) {
+ out_src_opr_u32(buf3, sizeof(buf3), po, last_arith_dst);
+ out_test_for_cc(buf1, sizeof(buf1), po, PFO_Z, 0,
+ last_arith_dst->lmod, buf3);
+ fprintf(fout, " cond_z = %s;\n", buf1);
+ }
+ else
+ ferr(po, "missing initial ZF\n");
+ }
+
switch (po->op)
{
case OP_MOV:
buf3, 0));
break;
+ case OP_XCHG:
+ assert_operand_cnt(2);
+ propagate_lmod(po, &po->operand[0], &po->operand[1]);
+ fprintf(fout, " tmp = %s;",
+ out_src_opr(buf1, sizeof(buf1), po, &po->operand[0], "", 0));
+ fprintf(fout, " %s = %s;",
+ out_dst_opr(buf1, sizeof(buf1), po, &po->operand[0]),
+ out_src_opr(buf2, sizeof(buf2), po, &po->operand[1], "", 0));
+ fprintf(fout, " %s = tmp;",
+ out_dst_opr(buf1, sizeof(buf1), po, &po->operand[1]));
+ snprintf(g_comment, sizeof(g_comment), "xchg");
+ break;
+
case OP_NOT:
assert_operand_cnt(1);
out_dst_opr(buf1, sizeof(buf1), po, &po->operand[0]);
break;
case OP_STOS:
- // assumes DF=0
assert_operand_cnt(3);
if (po->flags & OPF_REP) {
- fprintf(fout, " for (; ecx != 0; ecx--, edi += %d)\n",
+ fprintf(fout, " for (; ecx != 0; ecx--, edi %c= %d)\n",
+ (po->flags & OPF_DF) ? '-' : '+',
lmod_bytes(po, po->operand[0].lmod));
fprintf(fout, " %sedi = eax;",
lmod_cast_u_ptr(po, po->operand[0].lmod));
strcpy(g_comment, "rep stos");
}
else {
- fprintf(fout, " %sedi = eax; edi += %d;",
+ fprintf(fout, " %sedi = eax; edi %c= %d;",
lmod_cast_u_ptr(po, po->operand[0].lmod),
+ (po->flags & OPF_DF) ? '-' : '+',
lmod_bytes(po, po->operand[0].lmod));
strcpy(g_comment, "stos");
}
break;
case OP_MOVS:
- // assumes DF=0
assert_operand_cnt(3);
j = lmod_bytes(po, po->operand[0].lmod);
strcpy(buf1, lmod_cast_u_ptr(po, po->operand[0].lmod));
+ l = (po->flags & OPF_DF) ? '-' : '+';
if (po->flags & OPF_REP) {
fprintf(fout,
- " for (; ecx != 0; ecx--, edi += %d, esi += %d)\n",
- j, j);
+ " for (; ecx != 0; ecx--, edi %c= %d, esi %c= %d)\n",
+ l, j, l, j);
fprintf(fout,
" %sedi = %sesi;", buf1, buf1);
strcpy(g_comment, "rep movs");
}
else {
- fprintf(fout, " %sedi = %sesi; edi += %d; esi += %d;",
- buf1, buf1, j, j);
+ fprintf(fout, " %sedi = %sesi; edi %c= %d; esi %c= %d;",
+ buf1, buf1, l, j, l, j);
strcpy(g_comment, "movs");
}
break;
case OP_CMPS:
- // assumes DF=0
// repe ~ repeat while ZF=1
assert_operand_cnt(3);
j = lmod_bytes(po, po->operand[0].lmod);
strcpy(buf1, lmod_cast_u_ptr(po, po->operand[0].lmod));
+ l = (po->flags & OPF_DF) ? '-' : '+';
if (po->flags & OPF_REP) {
fprintf(fout,
- " for (; ecx != 0; ecx--, edi += %d, esi += %d)\n",
- j, j);
+ " for (; ecx != 0; ecx--, edi %c= %d, esi %c= %d) {\n",
+ l, j, l, j);
+ if (pfomask & (1 << PFO_C)) {
+ // ugh..
+ fprintf(fout,
+ " cond_c = %sedi < %sesi;\n", buf1, buf1);
+ pfomask &= ~(1 << PFO_C);
+ }
fprintf(fout,
" if ((cond_z = (%sedi == %sesi)) %s 0)\n",
buf1, buf1, (po->flags & OPF_REPZ) ? "==" : "!=");
fprintf(fout,
- " break;");
+ " break;\n"
+ " }");
snprintf(g_comment, sizeof(g_comment), "rep%s cmps",
(po->flags & OPF_REPZ) ? "e" : "ne");
}
else {
fprintf(fout,
- " cond_z = (%sedi = %sesi); edi += %d; esi += %d;",
- buf1, buf1, j, j);
+ " cond_z = (%sedi = %sesi); edi %c= %d; esi %c= %d;",
+ buf1, buf1, l, j, l, j);
strcpy(g_comment, "cmps");
}
pfomask &= ~(1 << PFO_Z);
delayed_flag_op = NULL;
break;
+ case OP_SCAS:
+ // only does ZF (for now)
+ // repe ~ repeat while ZF=1
+ assert_operand_cnt(3);
+ j = lmod_bytes(po, po->operand[0].lmod);
+ l = (po->flags & OPF_DF) ? '-' : '+';
+ if (po->flags & OPF_REP) {
+ fprintf(fout,
+ " for (; ecx != 0; ecx--, edi %c= %d)\n", l, j);
+ fprintf(fout,
+ " if ((cond_z = (%seax == %sedi)) %s 0)\n",
+ lmod_cast_u(po, po->operand[0].lmod),
+ lmod_cast_u_ptr(po, po->operand[0].lmod),
+ (po->flags & OPF_REPZ) ? "==" : "!=");
+ fprintf(fout,
+ " break;");
+ snprintf(g_comment, sizeof(g_comment), "rep%s scas",
+ (po->flags & OPF_REPZ) ? "e" : "ne");
+ }
+ else {
+ fprintf(fout, " cond_z = (%seax = %sedi); edi %c= %d;",
+ lmod_cast_u(po, po->operand[0].lmod),
+ lmod_cast_u_ptr(po, po->operand[0].lmod), l, j);
+ strcpy(g_comment, "scas");
+ }
+ pfomask &= ~(1 << PFO_Z);
+ last_arith_dst = NULL;
+ delayed_flag_op = NULL;
+ break;
+
// arithmetic w/flags
- case OP_ADD:
- case OP_SUB:
case OP_AND:
case OP_OR:
propagate_lmod(po, &po->operand[0], &po->operand[1]);
j = l - j;
else
j -= 1;
- fprintf(fout, " cond_c = (%s & 0x%02x) ? 1 : 0;\n",
- buf1, 1 << j);
+ fprintf(fout, " cond_c = (%s >> %d) & 1;\n",
+ buf1, j);
}
else
ferr(po, "zero shift?\n");
delayed_flag_op = NULL;
break;
+ case OP_RCL:
+ case OP_RCR:
+ assert_operand_cnt(2);
+ out_dst_opr(buf1, sizeof(buf1), po, &po->operand[0]);
+ l = lmod_bytes(po, po->operand[0].lmod) * 8;
+ if (po->operand[1].type == OPT_CONST) {
+ j = po->operand[1].val % l;
+ if (j == 0)
+ ferr(po, "zero rotate\n");
+ fprintf(fout, " tmp = (%s >> %d) & 1;\n",
+ buf1, (po->op == OP_RCL) ? (l - j) : (j - 1));
+ if (po->op == OP_RCL) {
+ fprintf(fout,
+ " %s = (%s << %d) | (cond_c << %d)",
+ buf1, buf1, j, j - 1);
+ if (j != 1)
+ fprintf(fout, " | (%s >> %d)", buf1, l + 1 - j);
+ }
+ else {
+ fprintf(fout,
+ " %s = (%s >> %d) | (cond_c << %d)",
+ buf1, buf1, j, l - j);
+ if (j != 1)
+ fprintf(fout, " | (%s << %d)", buf1, l + 1 - j);
+ }
+ fprintf(fout, ";\n");
+ fprintf(fout, " cond_c = tmp;");
+ }
+ else
+ ferr(po, "TODO\n");
+ strcpy(g_comment, (po->op == OP_RCL) ? "rcl" : "rcr");
+ output_std_flags(fout, po, &pfomask, buf1);
+ last_arith_dst = &po->operand[0];
+ delayed_flag_op = NULL;
+ break;
+
case OP_XOR:
assert_operand_cnt(2);
propagate_lmod(po, &po->operand[0], &po->operand[1]);
if (IS(opr_name(po, 0), opr_name(po, 1))) {
// special case for XOR
+ if (pfomask & (1 << PFO_BE)) { // weird, but it happens..
+ fprintf(fout, " cond_be = 1;\n");
+ pfomask &= ~(1 << PFO_BE);
+ }
fprintf(fout, " %s = 0;",
out_dst_opr(buf1, sizeof(buf1), po, &po->operand[0]));
last_arith_dst = &po->operand[0];
}
goto dualop_arith;
+ case OP_ADD:
+ assert_operand_cnt(2);
+ propagate_lmod(po, &po->operand[0], &po->operand[1]);
+ if (pfomask & (1 << PFO_C)) {
+ fprintf(fout, " tmp64 = (u64)%s + %s;\n",
+ out_src_opr_u32(buf1, sizeof(buf1), po, &po->operand[0]),
+ out_src_opr_u32(buf2, sizeof(buf2), po, &po->operand[1]));
+ fprintf(fout, " cond_c = tmp64 >> 32;\n");
+ fprintf(fout, " %s = (u32)tmp64;",
+ out_dst_opr(buf1, sizeof(buf1), po, &po->operand[0]));
+ strcat(g_comment, "add64");
+ pfomask &= ~(1 << PFO_C);
+ output_std_flags(fout, po, &pfomask, buf1);
+ last_arith_dst = &po->operand[0];
+ delayed_flag_op = NULL;
+ break;
+ }
+ goto dualop_arith;
+
+ case OP_SUB:
+ assert_operand_cnt(2);
+ propagate_lmod(po, &po->operand[0], &po->operand[1]);
+ if (pfomask & (1 << PFO_C)) {
+ fprintf(fout, " cond_c = %s < %s;\n",
+ out_src_opr_u32(buf1, sizeof(buf1), po, &po->operand[0]),
+ out_src_opr_u32(buf2, sizeof(buf2), po, &po->operand[1]));
+ pfomask &= ~(1 << PFO_C);
+ }
+ goto dualop_arith;
+
case OP_ADC:
case OP_SBB:
assert_operand_cnt(2);
case OP_MUL:
assert_operand_cnt(1);
strcpy(buf1, po->op == OP_IMUL ? "(s64)(s32)" : "(u64)");
- fprintf(fout, " mul_tmp = %seax * %s%s;\n", buf1, buf1,
+ fprintf(fout, " tmp64 = %seax * %s%s;\n", buf1, buf1,
out_src_opr_u32(buf2, sizeof(buf2), po, &po->operand[0]));
- fprintf(fout, " edx = mul_tmp >> 32;\n");
- fprintf(fout, " eax = mul_tmp;");
+ fprintf(fout, " edx = tmp64 >> 32;\n");
+ fprintf(fout, " eax = tmp64;");
last_arith_dst = NULL;
delayed_flag_op = NULL;
break;
if (po->operand[0].lmod != OPLM_DWORD)
ferr(po, "unhandled lmod %d\n", po->operand[0].lmod);
- // 32bit division is common, look for it
- if (po->op == OP_DIV)
- ret = scan_for_reg_clear(i, xDX);
- else
- ret = scan_for_cdq_edx(i);
- if (ret >= 0) {
- out_src_opr_u32(buf1, sizeof(buf1), po, &po->operand[0]);
- strcpy(buf2, lmod_cast(po, po->operand[0].lmod,
- po->op == OP_IDIV));
- fprintf(fout, " edx = %seax %% %s%s;\n", buf2, buf2, buf1);
- fprintf(fout, " eax = %seax / %s%s;", buf2, buf2, buf1);
+ out_src_opr_u32(buf1, sizeof(buf1), po, &po->operand[0]);
+ strcpy(buf2, lmod_cast(po, po->operand[0].lmod,
+ po->op == OP_IDIV));
+ switch (po->operand[0].lmod) {
+ case OPLM_DWORD:
+ if (po->flags & OPF_32BIT)
+ snprintf(buf3, sizeof(buf3), "%seax", buf2);
+ else {
+ fprintf(fout, " tmp64 = ((u64)edx << 32) | eax;\n");
+ snprintf(buf3, sizeof(buf3), "%stmp64",
+ (po->op == OP_IDIV) ? "(s64)" : "");
+ }
+ if (po->operand[0].type == OPT_REG
+ && po->operand[0].reg == xDX)
+ {
+ fprintf(fout, " eax = %s / %s%s;", buf3, buf2, buf1);
+ fprintf(fout, " edx = %s %% %s%s;\n", buf3, buf2, buf1);
+ }
+ else {
+ fprintf(fout, " edx = %s %% %s%s;\n", buf3, buf2, buf1);
+ fprintf(fout, " eax = %s / %s%s;", buf3, buf2, buf1);
+ }
+ break;
+ default:
+ ferr(po, "unhandled division type\n");
}
- else
- ferr(po, "TODO 64bit divident\n");
last_arith_dst = NULL;
delayed_flag_op = NULL;
break;
// else SETcc - should already be handled
break;
+ case OP_JECXZ:
+ fprintf(fout, " if (ecx == 0)\n");
+ fprintf(fout, " goto %s;", po->operand[0].name);
+ strcat(g_comment, "jecxz");
+ break;
+
case OP_JMP:
assert_operand_cnt(1);
last_arith_dst = NULL;
pp = po->datap;
my_assert_not(pp, NULL);
- if (pp->is_fptr)
- fprintf(fout, " icall%d = %s;\n", i,
+ if (pp->is_fptr && !pp->is_arg)
+ fprintf(fout, " %s = %s;\n", pp->name,
out_src_opr(buf1, sizeof(buf1), po, &po->operand[0],
"(void *)", 0));
if (strstr(pp->ret_type.name, "int64")) {
if (po->flags & OPF_TAIL)
ferr(po, "int64 and tail?\n");
- fprintf(fout, "mul_tmp = ");
+ fprintf(fout, "tmp64 = ");
}
else if (!IS(pp->ret_type.name, "void")) {
if (po->flags & OPF_TAIL) {
}
}
- if (pp->is_fptr) {
- fprintf(fout, "icall%d(", i);
+ if (pp->name[0] == 0)
+ ferr(po, "missing pp->name\n");
+ fprintf(fout, "%s%s(", pp->name,
+ pp->has_structarg ? "_sa" : "");
+
+ if (po->flags & OPF_ATAIL) {
+ if (pp->argc_stack != g_func_pp->argc_stack
+ || (pp->argc_stack > 0
+ && pp->is_stdcall != g_func_pp->is_stdcall))
+ ferr(po, "incompatible tailcall\n");
+
+ for (arg = j = 0; arg < pp->argc; arg++) {
+ if (arg > 0)
+ fprintf(fout, ", ");
+
+ cast[0] = 0;
+ if (pp->arg[arg].type.is_ptr)
+ snprintf(cast, sizeof(cast), "(%s)",
+ pp->arg[arg].type.name);
+
+ if (pp->arg[arg].reg != NULL) {
+ fprintf(fout, "%s%s", cast, pp->arg[arg].reg);
+ continue;
+ }
+ // stack arg
+ for (; j < g_func_pp->argc; j++)
+ if (g_func_pp->arg[j].reg == NULL)
+ break;
+ fprintf(fout, "%sa%d", cast, j + 1);
+ j++;
+ }
}
else {
- if (pp->name[0] == 0)
- ferr(po, "missing pp->name\n");
- fprintf(fout, "%s%s(", pp->name,
- pp->has_structarg ? "_sa" : "");
- }
-
- for (arg = 0; arg < pp->argc; arg++) {
- if (arg > 0)
- fprintf(fout, ", ");
-
- cast[0] = 0;
- if (pp->arg[arg].type.is_ptr)
- snprintf(cast, sizeof(cast), "(%s)", pp->arg[arg].type.name);
-
- if (pp->arg[arg].reg != NULL) {
- fprintf(fout, "%s%s", cast, pp->arg[arg].reg);
- continue;
- }
+ for (arg = 0; arg < pp->argc; arg++) {
+ if (arg > 0)
+ fprintf(fout, ", ");
+
+ cast[0] = 0;
+ if (pp->arg[arg].type.is_ptr)
+ snprintf(cast, sizeof(cast), "(%s)",
+ pp->arg[arg].type.name);
+
+ if (pp->arg[arg].reg != NULL) {
+ fprintf(fout, "%s%s", cast, pp->arg[arg].reg);
+ continue;
+ }
- // stack arg
- tmp_op = pp->arg[arg].datap;
- if (tmp_op == NULL)
- ferr(po, "parsed_op missing for arg%d\n", arg);
- if (tmp_op->argnum != 0) {
- fprintf(fout, "%ss_a%d", cast, tmp_op->argnum);
- }
- else {
- fprintf(fout, "%s",
- out_src_opr(buf1, sizeof(buf1),
- tmp_op, &tmp_op->operand[0], cast, 0));
+ // stack arg
+ tmp_op = pp->arg[arg].datap;
+ if (tmp_op == NULL)
+ ferr(po, "parsed_op missing for arg%d\n", arg);
+ if (tmp_op->argnum != 0) {
+ fprintf(fout, "%ss_a%d", cast, tmp_op->argnum);
+ }
+ else {
+ fprintf(fout, "%s",
+ out_src_opr(buf1, sizeof(buf1),
+ tmp_op, &tmp_op->operand[0], cast, 0));
+ }
}
}
fprintf(fout, ");");
if (strstr(pp->ret_type.name, "int64")) {
fprintf(fout, "\n");
- fprintf(fout, " edx = mul_tmp >> 32;\n");
- fprintf(fout, " eax = mul_tmp;");
+ fprintf(fout, " edx = tmp64 >> 32;\n");
+ fprintf(fout, " eax = tmp64;");
}
if (pp->is_unresolved) {
- snprintf(buf3, sizeof(buf3), "unresoved %dreg ",
+ snprintf(buf3, sizeof(buf3), " unresoved %dreg",
pp->argc_reg);
strcat(g_comment, buf3);
}
if (po->flags & OPF_TAIL) {
ret = 0;
- if (i == opcnt - 1)
+ if (i == opcnt - 1 || pp->is_noreturn)
ret = 0;
else if (IS(pp->ret_type.name, "void"))
ret = 1;
if (ret) {
if (!IS(g_func_pp->ret_type.name, "void")) {
- if (!pp->is_noreturn)
- ferr(po, "int func -> void func tailcall?\n");
- strcat(g_comment, "tailcall noreturn");
+ ferr(po, "int func -> void func tailcall?\n");
}
else {
fprintf(fout, "\n return;");
- strcat(g_comment, "^ tailcall");
+ strcat(g_comment, " ^ tailcall");
}
}
else
- strcat(g_comment, "tailcall");
+ strcat(g_comment, " tailcall");
}
+ if (pp->is_noreturn)
+ strcat(g_comment, " noreturn");
+ if ((po->flags & OPF_ATAIL) && pp->argc_stack > 0)
+ strcat(g_comment, " argframe");
delayed_flag_op = NULL;
last_arith_dst = NULL;
break;
fprintf(fout, " return (%s)eax;",
g_func_pp->ret_type.name);
}
+ else if (IS(g_func_pp->ret_type.name, "__int64"))
+ fprintf(fout, " return ((u64)edx << 32) | eax;");
else
fprintf(fout, " return eax;");
fprintf(fout, " %s = s_%s;", buf1, buf1);
break;
}
+ else if (po->datap != NULL) {
+ // push/pop pair
+ tmp_op = po->datap;
+ out_dst_opr(buf1, sizeof(buf1), po, &po->operand[0]);
+ fprintf(fout, " %s = %s;", buf1,
+ out_src_opr(buf2, sizeof(buf2),
+ tmp_op, &tmp_op->operand[0],
+ po->operand[0].is_ptr ? "(void *)" : "", 0));
+ break;
+ }
ferr(po, "stray pop encountered\n");
break;
}
if (g_comment[0] != 0) {
- fprintf(fout, " // %s", g_comment);
+ char *p = g_comment;
+ while (my_isblank(*p))
+ p++;
+ fprintf(fout, " // %s", p);
g_comment[0] = 0;
no_output = 0;
}
fprintf(fout, "\n");
// some sanity checking
- if ((po->flags & OPF_REP) && po->op != OP_STOS
- && po->op != OP_MOVS && po->op != OP_CMPS)
- ferr(po, "unexpected rep\n");
- if ((po->flags & (OPF_REPZ|OPF_REPNZ)) && po->op != OP_CMPS)
+ if (po->flags & OPF_REP) {
+ if (po->op != OP_STOS && po->op != OP_MOVS
+ && po->op != OP_CMPS && po->op != OP_SCAS)
+ ferr(po, "unexpected rep\n");
+ if (!(po->flags & (OPF_REPZ|OPF_REPNZ))
+ && (po->op == OP_CMPS || po->op == OP_SCAS))
+ ferr(po, "cmps/scas with plain rep\n");
+ }
+ if ((po->flags & (OPF_REPZ|OPF_REPNZ))
+ && po->op != OP_CMPS && po->op != OP_SCAS)
ferr(po, "unexpected repz/repnz\n");
if (pfomask != 0)
char line[256];
char words[20][256];
enum opr_lenmod lmod;
+ char *sctproto = NULL;
int in_func = 0;
int pending_endp = 0;
int skip_func = 0;
aerr("too many words\n");
// alow asm patches in comments
- if (*p == ';' && IS_START(p, "; sctpatch:")) {
- p = sskip(p + 11);
- if (*p == 0 || *p == ';')
- continue;
- goto parse_words; // lame
+ if (*p == ';') {
+ if (IS_START(p, "; sctpatch:")) {
+ p = sskip(p + 11);
+ if (*p == 0 || *p == ';')
+ continue;
+ goto parse_words; // lame
+ }
+ if (IS_START(p, "; sctproto:")) {
+ sctproto = strdup(p + 11);
+ }
}
if (wordc == 0) {
aerr("proc '%s' while in_func '%s'?\n",
words[0], g_func);
p = words[0];
- if ((g_ida_func_attr & IDAFA_THUNK)
- || bsearch(&p, rlist, rlist_len, sizeof(rlist[0]), cmpstringp))
+ if (bsearch(&p, rlist, rlist_len, sizeof(rlist[0]), cmpstringp))
skip_func = 1;
strcpy(g_func, words[0]);
set_label(0, words[0]);
aerr("endp '%s' while in_func '%s'?\n",
words[0], g_func);
+ if ((g_ida_func_attr & IDAFA_THUNK) && pi == 1
+ && ops[0].op == OP_JMP && ops[0].operand[0].had_ds)
+ {
+ // import jump
+ skip_func = 1;
+ }
+
if (!skip_func && func_chunks_used) {
// start processing chunks
struct chunk_item *ci, key = { g_func, 0 };
continue;
}
- if (wordc > 1 && IS(words[1], "=")) {
+ if (wordc > 1 && IS(words[1], "="))
+ {
if (wordc != 5)
aerr("unhandled equ, wc=%d\n", wordc);
if (g_eqcnt >= eq_alloc) {
aerr("too many ops\n");
parse_op(&ops[pi], words, wordc);
+
+ if (sctproto != NULL) {
+ if (ops[pi].op == OP_CALL)
+ ops[pi].datap = sctproto;
+ sctproto = NULL;
+ }
pi++;
}
notaz.gp2x.de / ia32rtools.git / blobdiff