OP_NOT,
OP_XLAT,
OP_CDQ,
+ OP_BSWAP,
OP_LODS,
OP_STOS,
OP_MOVS,
OP_FISUB,
OP_FIDIVR,
OP_FISUBR,
+ OP_FCHS,
+ OP_FCOS,
+ OP_FPATAN,
+ OP_FPTAN,
+ OP_FSIN,
+ OP_FSQRT,
+ OP_FXCH,
+ OP_FYL2X,
// mmx
OP_EMMS,
// pseudo-ops for lib calls
+ OPP_ALLSHL,
+ OPP_ALLSHR,
OPP_FTOL,
// undefined
OP_UD2,
};
// datap:
-// OP_CALL - parser proto hint (str)
+// on start: function/data type hint (sctproto)
+// after analysis:
// (OPF_CC) - points to one of (OPF_FLAGS) that affects cc op
// OP_PUSH - points to OP_POP in complex push/pop graph
// OP_POP - points to OP_PUSH in simple push/pop pair
IDAFA_FPD = (1 << 5),
};
+enum sct_func_attr {
+ SCTFA_CLEAR_SF = (1 << 0), // clear stack frame
+ SCTFA_CLEAR_REGS = (1 << 1), // clear registers (mask)
+};
+
enum x87_const {
X87_CONST_1 = 1,
X87_CONST_2T,
static int g_stack_frame_used;
static int g_stack_fsz;
static int g_ida_func_attr;
+static int g_sct_func_attr;
+static int g_stack_clear_start; // in dwords
+static int g_stack_clear_len;
+static int g_regmask_init;
static int g_skip_func;
static int g_allow_regfunc;
static int g_quiet_pp;
};
#define mxAX (1 << xAX)
+#define mxCX (1 << xCX)
#define mxDX (1 << xDX)
#define mxST0 (1 << xST0)
#define mxST1 (1 << xST1)
+#define mxST1_0 (mxST1 | mxST0)
+#define mxST7_2 (0xfc << xST0)
+#define mxSTa (0xff << xST0)
// possible basic comparison types (without inversion)
enum parsed_flag_op {
{
buf[0] = 0;
- if (!opr->is_ptr)
+ if (!opr->is_ptr || strchr(opr->name, '['))
return buf;
if (opr->pp == NULL || opr->pp->type.name == NULL
|| opr->pp->is_fptr)
{ "not", OP_NOT, 1, 1, OPF_DATA },
{ "xlat", OP_XLAT, 0, 0, OPF_DATA },
{ "cdq", OP_CDQ, 0, 0, OPF_DATA },
+ { "bswap",OP_BSWAP, 1, 1, OPF_DATA },
{ "lodsb",OP_LODS, 0, 0, OPF_DATA },
{ "lodsw",OP_LODS, 0, 0, OPF_DATA },
{ "lodsd",OP_LODS, 0, 0, OPF_DATA },
{ "fld", OP_FLD, 1, 1, OPF_FPUSH },
{ "fild", OP_FILD, 1, 1, OPF_FPUSH },
{ "fld1", OP_FLDc, 0, 0, OPF_FPUSH },
+ { "fldln2", OP_FLDc, 0, 0, OPF_FPUSH },
{ "fldz", OP_FLDc, 0, 0, OPF_FPUSH },
{ "fstp", OP_FST, 1, 1, OPF_FPOP },
{ "fst", OP_FST, 1, 1, 0 },
{ "fisub", OP_FISUB, 1, 1, 0 },
{ "fidivr", OP_FIDIVR, 1, 1, 0 },
{ "fisubr", OP_FISUBR, 1, 1, 0 },
+ { "fchs", OP_FCHS, 0, 0, 0 },
+ { "fcos", OP_FCOS, 0, 0, 0 },
+ { "fpatan", OP_FPATAN, 0, 0, OPF_FPOP },
+ { "fptan", OP_FPTAN, 0, 0, OPF_FPUSH },
+ { "fsin", OP_FSIN, 0, 0, 0 },
+ { "fsqrt", OP_FSQRT, 0, 0, 0 },
+ { "fxch", OP_FXCH, 1, 1, 0 },
+ { "fyl2x", OP_FYL2X, 0, 0, OPF_FPOP },
// mmx
{ "emms", OP_EMMS, 0, 0, OPF_DATA },
{ "movq", OP_MOV, 2, 2, OPF_DATA },
// pseudo-ops for lib calls
+ { "_allshl",OPP_ALLSHL },
+ { "_allshr",OPP_ALLSHR },
{ "_ftol", OPP_FTOL },
// must be last
{ "ud2", OP_UD2 },
case OP_INC:
case OP_DEC:
case OP_NEG:
+ case OP_BSWAP:
// more below..
op->regmask_src |= op->regmask_dst;
break;
op->regmask_dst |= mxST0;
if (IS(words[op_w] + 3, "1"))
op->operand[0].val = X87_CONST_1;
+ else if (IS(words[op_w] + 3, "ln2"))
+ op->operand[0].val = X87_CONST_LN2;
else if (IS(words[op_w] + 3, "z"))
op->operand[0].val = X87_CONST_Z;
else
case OP_FISUB:
case OP_FIDIVR:
case OP_FISUBR:
+ case OP_FCHS:
+ case OP_FCOS:
+ case OP_FSIN:
+ case OP_FSQRT:
+ case OP_FXCH:
op->regmask_src |= mxST0;
op->regmask_dst |= mxST0;
break;
+ case OP_FPATAN:
+ case OP_FYL2X:
+ op->regmask_src |= mxST0 | mxST1;
+ op->regmask_dst |= mxST0;
+ break;
+
+ case OP_FPTAN:
+ aerr("TODO\n");
+ break;
+
default:
break;
}
}
static char *out_src_opr_float(char *buf, size_t buf_size,
- struct parsed_op *po, struct parsed_opr *popr)
+ struct parsed_op *po, struct parsed_opr *popr, int need_float_stack)
{
const char *cast = NULL;
char tmp[256];
if (popr->reg < xST0 || popr->reg > xST7)
ferr(po, "bad reg: %d\n", popr->reg);
- snprintf(buf, buf_size, "f_st%d", popr->reg - xST0);
+ if (need_float_stack) {
+ if (popr->reg == xST0)
+ snprintf(buf, buf_size, "f_st[f_stp & 7]");
+ else
+ snprintf(buf, buf_size, "f_st[(f_stp + %d) & 7]",
+ popr->reg - xST0);
+ }
+ else
+ snprintf(buf, buf_size, "f_st%d", popr->reg - xST0);
break;
case OPT_REGMEM:
}
static char *out_dst_opr_float(char *buf, size_t buf_size,
- struct parsed_op *po, struct parsed_opr *popr)
+ struct parsed_op *po, struct parsed_opr *popr, int need_float_stack)
{
// same?
- return out_src_opr_float(buf, buf_size, po, popr);
+ return out_src_opr_float(buf, buf_size, po, popr, need_float_stack);
}
static void out_test_for_cc(char *buf, size_t buf_size,
static int get_pp_arg_regmask_dst(const struct parsed_proto *pp)
{
+ int regmask = 0;
+ int i, reg;
+
+ if (pp->has_retreg) {
+ for (i = 0; i < pp->argc; i++) {
+ if (pp->arg[i].type.is_retreg) {
+ reg = char_array_i(regs_r32,
+ ARRAY_SIZE(regs_r32), pp->arg[i].reg);
+ ferr_assert(ops, reg >= 0);
+ regmask |= 1 << reg;
+ }
+ }
+ }
+
if (strstr(pp->ret_type.name, "int64"))
- return (1 << xAX) | (1 << xDX);
+ return regmask | (1 << xAX) | (1 << xDX);
if (IS(pp->ret_type.name, "float")
|| IS(pp->ret_type.name, "double"))
{
- return mxST0;
+ return regmask | mxST0;
}
if (strcasecmp(pp->ret_type.name, "void") == 0)
- return 0;
+ return regmask;
- return mxAX;
+ return regmask | mxAX;
}
static void resolve_branches_parse_calls(int opcnt)
unsigned int regmask_src;
unsigned int regmask_dst;
} pseudo_ops[] = {
- { "__ftol", OPP_FTOL, OPF_FPOP, mxST0, mxAX | mxDX },
+ { "__allshl", OPP_ALLSHL, OPF_DATA, mxAX|mxDX|mxCX, mxAX|mxDX },
+ { "__allshr", OPP_ALLSHR, OPF_DATA, mxAX|mxDX|mxCX, mxAX|mxDX },
+ { "__ftol", OPP_FTOL, OPF_FPOP, mxST0, mxAX | mxDX },
};
const struct parsed_proto *pp_c;
struct parsed_proto *pp;
po->bt_i = -1;
po->btj = NULL;
+ 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;
+ po->pp = pp;
+ }
+
if (po->op == OP_CALL) {
pp = NULL;
- if (po->operand[0].type == OPT_LABEL) {
+ if (po->pp != NULL)
+ pp = po->pp;
+ else if (po->operand[0].type == OPT_LABEL)
+ {
tmpname = opr_name(po, 0);
if (IS_START(tmpname, "loc_"))
ferr(po, "call to loc_*\n");
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)
{
g_sp_frame = 1;
- i++;
do {
for (; i < opcnt; i++)
if (ops[i].flags & OPF_TAIL)
break;
+
j = i - 1;
if (i == opcnt && (ops[j].flags & OPF_JMP)) {
if (ops[j].bt_i != -1 || ops[j].btj != NULL)
|| !IS(opr_name(&ops[j], 0), "esp")
|| ops[j].operand[1].type != OPT_CONST
|| ops[j].operand[1].val != g_stack_fsz)
+ {
+ if (ops[i].op == OP_CALL && ops[i].pp != NULL
+ && ops[i].pp->is_noreturn)
+ {
+ // noreturn tailcall with no epilogue
+ i++;
+ continue;
+ }
ferr(&ops[j], "'add esp' expected\n");
+ }
ops[j].flags |= OPF_RMD | OPF_DONE | OPF_NOREGS;
ops[j].operand[1].val = 0; // hack for stack arg scanner
}
}
-static const struct parsed_proto *resolve_icall(int i, int opcnt,
- int *pp_i, int *multi_src)
-{
- const struct parsed_proto *pp = NULL;
- int search_advice = 0;
-
- *multi_src = 0;
- *pp_i = -1;
-
- switch (ops[i].operand[0].type) {
- case OPT_REGMEM:
- case OPT_LABEL:
- case OPT_OFFSET:
- pp = try_recover_pp(&ops[i], &ops[i].operand[0], &search_advice);
- if (!search_advice)
- break;
- // fallthrough
- default:
- scan_for_call_type(i, &ops[i].operand[0], i + opcnt * 9, &pp,
- pp_i, multi_src);
- break;
- }
-
- return pp;
-}
-
// find an instruction that changed opr before i op
// *op_i must be set to -1 by the caller
-// *entry is set to 1 if one source is determined to be the caller
+// *is_caller is set to 1 if one source is determined to be g_func arg
// returns 1 if found, *op_i is then set to origin
+// returns -1 if multiple origins are found
static int resolve_origin(int i, const struct parsed_opr *opr,
int magic, int *op_i, int *is_caller)
{
return -1;
}
+static const struct parsed_proto *resolve_icall(int i, int opcnt,
+ int *pp_i, int *multi_src)
+{
+ const struct parsed_proto *pp = NULL;
+ int search_advice = 0;
+ int offset = -1;
+ char name[256];
+ char s_reg[4];
+ int reg, len;
+ int ret;
+
+ *multi_src = 0;
+ *pp_i = -1;
+
+ switch (ops[i].operand[0].type) {
+ case OPT_REGMEM:
+ // try to resolve struct member calls
+ ret = sscanf(ops[i].operand[0].name, "%3s+%x%n",
+ s_reg, &offset, &len);
+ if (ret == 2 && len == strlen(ops[i].operand[0].name))
+ {
+ reg = char_array_i(regs_r32, ARRAY_SIZE(regs_r32), s_reg);
+ if (reg >= 0) {
+ struct parsed_opr opr = OPR_INIT(OPT_REG, OPLM_DWORD, reg);
+ int j = -1;
+ ret = resolve_origin(i, &opr, i + opcnt * 19, &j, NULL);
+ if (ret != 1)
+ break;
+ if (ops[j].op == OP_MOV && ops[j].operand[1].type == OPT_REGMEM
+ && ops[j].operand[0].lmod == OPLM_DWORD
+ && ops[j].pp == NULL) // no hint
+ {
+ // allow one simple dereference (directx)
+ reg = char_array_i(regs_r32, ARRAY_SIZE(regs_r32),
+ ops[j].operand[1].name);
+ if (reg < 0)
+ break;
+ struct parsed_opr opr2 = OPR_INIT(OPT_REG, OPLM_DWORD, reg);
+ int k = -1;
+ ret = resolve_origin(j, &opr2, j + opcnt * 19, &k, NULL);
+ if (ret != 1)
+ break;
+ j = k;
+ }
+ if (ops[j].op != OP_MOV)
+ break;
+ if (ops[j].operand[0].lmod != OPLM_DWORD)
+ break;
+ if (ops[j].pp != NULL) {
+ // type hint in asm
+ pp = ops[j].pp;
+ }
+ else if (ops[j].operand[1].type == OPT_REGMEM) {
+ // allow 'hello[ecx]' - assume array of same type items
+ ret = sscanf(ops[j].operand[1].name, "%[^[][e%2s]",
+ name, s_reg);
+ if (ret != 2)
+ break;
+ pp = proto_parse(g_fhdr, name, g_quiet_pp);
+ }
+ else if (ops[j].operand[1].type == OPT_LABEL)
+ pp = proto_parse(g_fhdr, ops[j].operand[1].name, g_quiet_pp);
+ else
+ break;
+ if (pp == NULL)
+ break;
+ if (pp->is_func || pp->is_fptr || !pp->type.is_struct) {
+ pp = NULL;
+ break;
+ }
+ pp = proto_lookup_struct(g_fhdr, pp->type.name, offset);
+ }
+ break;
+ }
+ // fallthrough
+ case OPT_LABEL:
+ case OPT_OFFSET:
+ pp = try_recover_pp(&ops[i], &ops[i].operand[0], &search_advice);
+ if (!search_advice)
+ break;
+ // fallthrough
+ default:
+ scan_for_call_type(i, &ops[i].operand[0], i + opcnt * 9, &pp,
+ pp_i, multi_src);
+ break;
+ }
+
+ return pp;
+}
+
static struct parsed_proto *process_call_early(int i, int opcnt,
int *adj_i)
{
else if (ops[j].op == OP_PUSH) {
if (ops[j].flags & (OPF_FARG|OPF_FARGNR))
return -1;
- ret = scan_for_mod(&ops[j], j + 1, i, 1);
- if (ret >= 0)
- return -1;
+ if (!g_header_mode) {
+ ret = scan_for_mod(&ops[j], j + 1, i, 1);
+ if (ret >= 0)
+ return -1;
+ }
if (pp->arg[arg].type.is_va_list)
return -1;
int *regmask_init, int regmask_arg)
{
struct parsed_op *po;
- unsigned int mask;
int already_saved;
int regmask_new;
int regmask_op;
po->regmask_dst &= ~(1 << xAX);
}
}
+
+ // not "full stack" mode and have something in stack
+ if (!(regmask_now & mxST7_2) && (regmask_now & mxST1_0))
+ ferr(po, "float stack is not empty on func call\n");
}
if (po->flags & OPF_NOREGS)
continue;
- if (po->flags & OPF_FPUSH) {
- if (regmask_now & mxST1)
- ferr(po, "TODO: FPUSH on active ST1\n");
- if (regmask_now & mxST0)
- po->flags |= OPF_FSHIFT;
- mask = mxST0 | mxST1;
- regmask_now = (regmask_now & ~mask) | ((regmask_now & mxST0) << 1);
- }
-
// if incomplete register is used, clear it on init to avoid
// later use of uninitialized upper part in some situations
if ((po->flags & OPF_DATA) && po->operand[0].type == OPT_REG
if (g_bp_frame && !(po->flags & OPF_EBP_S))
regmask_new &= ~(1 << xBP);
- if (po->op == OP_CALL) {
- // allow fastcall calls from anywhere, calee may be also sitting
- // in some fastcall table even when it's not using reg args
- if (regmask_new & po->regmask_src & (1 << xCX)) {
- *regmask_init |= (1 << xCX);
- regmask_now |= (1 << xCX);
- regmask_new &= ~(1 << xCX);
- }
- if (regmask_new & po->regmask_src & (1 << xDX)) {
- *regmask_init |= (1 << xDX);
- regmask_now |= (1 << xDX);
- regmask_new &= ~(1 << xDX);
- }
- }
-
if (regmask_new != 0)
fnote(po, "uninitialized reg mask: %x\n", regmask_new);
}
}
+ if (po->flags & OPF_FPUSH) {
+ if (regmask_now & mxST1)
+ regmask_now |= mxSTa; // switch to "full stack" mode
+ if (regmask_now & mxSTa)
+ po->flags |= OPF_FSHIFT;
+ if (!(regmask_now & mxST7_2)) {
+ regmask_now =
+ (regmask_now & ~mxST1_0) | ((regmask_now & mxST0) << 1);
+ }
+ }
+
regmask_now |= regmask_op;
*regmask |= regmask_now;
// released regs
if (po->flags & OPF_FPOP) {
- mask = mxST0 | mxST1;
- if (!(regmask_now & mask))
+ if ((regmask_now & mxSTa) == 0)
ferr(po, "float pop on empty stack?\n");
- if (regmask_now & mxST1)
+ if (regmask_now & (mxST7_2 | mxST1))
po->flags |= OPF_FSHIFT;
- regmask_now = (regmask_now & ~mask) | ((regmask_now & mxST1) >> 1);
+ if (!(regmask_now & mxST7_2)) {
+ regmask_now =
+ (regmask_now & ~mxST1_0) | ((regmask_now & mxST1) >> 1);
+ }
}
if (po->flags & OPF_TAIL) {
- if (regmask_now & (mxST0 | mxST1))
+ if (!(regmask_now & mxST7_2) && (regmask_now & mxST1_0))
ferr(po, "float regs on tail: %x\n", regmask_now);
- return;
+
+ // there is support for "conditional tailcall", sort of
+ if (!(po->flags & OPF_CC))
+ return;
}
}
}
unsigned int uval;
int save_arg_vars[MAX_ARG_GRP] = { 0, };
unsigned char cbits[MAX_OPS / 8];
- int cond_vars = 0;
+ const char *float_type;
+ const char *float_st0;
+ const char *float_st1;
+ int need_float_stack = 0;
int need_tmp_var = 0;
int need_tmp64 = 0;
+ int cond_vars = 0;
int had_decl = 0;
int label_pending = 0;
+ int need_double = 0;
int regmask_save = 0; // regs saved/restored in this func
int regmask_arg; // regs from this function args (fastcall, etc)
int regmask_ret; // regs needed on ret
int regmask = 0; // used regs
int pfomask = 0;
int found = 0;
+ int dead_dst;
int no_output;
int i, j, l;
int arg;
g_bp_frame = g_sp_frame = g_stack_fsz = 0;
g_stack_frame_used = 0;
+ if (g_sct_func_attr & SCTFA_CLEAR_REGS)
+ regmask_init = g_regmask_init;
g_func_pp = proto_parse(fhdr, funcn, 0);
if (g_func_pp == NULL)
regmask_arg = get_pp_arg_regmask_src(g_func_pp);
regmask_ret = get_pp_arg_regmask_dst(g_func_pp);
- if (g_func_pp->has_retreg) {
- for (arg = 0; arg < g_func_pp->argc; arg++) {
- if (g_func_pp->arg[arg].type.is_retreg) {
- reg = char_array_i(regs_r32,
- ARRAY_SIZE(regs_r32), g_func_pp->arg[arg].reg);
- ferr_assert(ops, reg >= 0);
- regmask_ret |= 1 << reg;
- }
- }
- }
-
// pass1:
// - resolve all branches
// - parse calls with labels
// - find POPs for PUSHes, rm both
// - scan for all used registers
memset(cbits, 0, sizeof(cbits));
- reg_use_pass(0, opcnt, cbits, 0, ®mask,
+ reg_use_pass(0, opcnt, cbits, regmask_init, ®mask,
0, ®mask_save, ®mask_init, regmask_arg);
// pass7:
cond_vars |= 1 << PFO_C;
}
- if (po->op == OP_CMPS || po->op == OP_SCAS) {
+ switch (po->op) {
+ case OP_CMPS:
+ case OP_SCAS:
cond_vars |= 1 << PFO_Z;
- }
- else if (po->op == OP_MUL
- || (po->op == OP_IMUL && po->operand_cnt == 1))
- {
+ break;
+
+ case OP_MUL:
if (po->operand[0].lmod == OPLM_DWORD)
need_tmp64 = 1;
- }
- else if (po->op == OP_CALL) {
+ break;
+
+ case OP_IMUL:
+ if (po->operand_cnt == 1 && po->operand[0].lmod == OPLM_DWORD)
+ need_tmp64 = 1;
+ break;
+
+ case OP_CALL:
// note: resolved non-reg calls are OPF_DONE already
pp = po->pp;
ferr_assert(po, pp != NULL);
if (pp->argc_stack > 0)
pp->is_stdcall = 1;
}
- }
- else if (po->op == OP_MOV && po->operand[0].pp != NULL
- && po->operand[1].pp != NULL)
- {
- // <var> = offset <something>
- if ((po->operand[1].pp->is_func || po->operand[1].pp->is_fptr)
- && !IS_START(po->operand[1].name, "off_"))
+ break;
+
+ case OP_MOV:
+ if (po->operand[0].pp != NULL && po->operand[1].pp != NULL)
{
- if (!po->operand[0].pp->is_fptr)
- ferr(po, "%s not declared as fptr when it should be\n",
- po->operand[0].name);
- if (pp_cmp_func(po->operand[0].pp, po->operand[1].pp)) {
- pp_print(buf1, sizeof(buf1), po->operand[0].pp);
- pp_print(buf2, sizeof(buf2), po->operand[1].pp);
- fnote(po, "var: %s\n", buf1);
- fnote(po, "func: %s\n", buf2);
- ferr(po, "^ mismatch\n");
+ // <var> = offset <something>
+ if ((po->operand[1].pp->is_func || po->operand[1].pp->is_fptr)
+ && !IS_START(po->operand[1].name, "off_"))
+ {
+ if (!po->operand[0].pp->is_fptr)
+ ferr(po, "%s not declared as fptr when it should be\n",
+ po->operand[0].name);
+ if (pp_cmp_func(po->operand[0].pp, po->operand[1].pp)) {
+ pp_print(buf1, sizeof(buf1), po->operand[0].pp);
+ pp_print(buf2, sizeof(buf2), po->operand[1].pp);
+ fnote(po, "var: %s\n", buf1);
+ fnote(po, "func: %s\n", buf2);
+ ferr(po, "^ mismatch\n");
+ }
}
}
- }
- else if (po->op == OP_DIV || po->op == OP_IDIV) {
+ break;
+
+ case OP_DIV:
+ case OP_IDIV:
if (po->operand[0].lmod == OPLM_DWORD) {
// 32bit division is common, look for it
if (po->op == OP_DIV)
}
else
need_tmp_var = 1;
- }
- else if (po->op == OP_CLD)
+ break;
+
+ case OP_CLD:
po->flags |= OPF_RMD | OPF_DONE;
- else if (po->op == OPP_FTOL) {
+ break;
+
+ case OP_RCL:
+ case OP_RCR:
+ case OP_XCHG:
+ need_tmp_var = 1;
+ break;
+
+ case OP_FLD:
+ if (po->operand[0].lmod == OPLM_QWORD)
+ need_double = 1;
+ break;
+
+ case OPP_ALLSHL:
+ case OPP_ALLSHR:
+ need_tmp64 = 1;
+ break;
+
+ case OPP_FTOL: {
struct parsed_opr opr = OPR_INIT(OPT_REG, OPLM_DWORD, xDX);
j = -1;
find_next_read(i + 1, opcnt, &opr, i + opcnt * 18, &j);
if (j == -1)
po->flags |= OPF_32BIT;
+ break;
}
- if (po->op == OP_RCL || po->op == OP_RCR || po->op == OP_XCHG)
- need_tmp_var = 1;
+ default:
+ break;
+ }
}
+ float_type = need_double ? "double" : "float";
+ need_float_stack = !!(regmask & mxST7_2);
+ float_st0 = need_float_stack ? "f_st[f_stp & 7]" : "f_st0";
+ float_st1 = need_float_stack ? "f_st[(f_stp + 1) & 7]" : "f_st1";
+
// output starts here
// define userstack size
}
}
// ... x87
- if (regmask_now & 0xff0000) {
- for (reg = 16; reg < 24; reg++) {
- if (regmask_now & (1 << reg)) {
- fprintf(fout, " double f_st%d", reg - 16);
- if (regmask_init & (1 << reg))
- fprintf(fout, " = 0");
- fprintf(fout, ";\n");
- had_decl = 1;
+ if (need_float_stack) {
+ fprintf(fout, " %s f_st[8];\n", float_type);
+ fprintf(fout, " int f_stp = 0;\n");
+ had_decl = 1;
+ }
+ else {
+ if (regmask_now & 0xff0000) {
+ for (reg = 16; reg < 24; reg++) {
+ if (regmask_now & (1 << reg)) {
+ fprintf(fout, " %s f_st%d", float_type, reg - 16);
+ if (regmask_init & (1 << reg))
+ fprintf(fout, " = 0");
+ fprintf(fout, ";\n");
+ had_decl = 1;
+ }
}
}
}
if (had_decl)
fprintf(fout, "\n");
+ // do stack clear, if needed
+ if (g_sct_func_attr & SCTFA_CLEAR_SF) {
+ fprintf(fout, " ");
+ if (g_stack_clear_len != 0) {
+ if (g_stack_clear_len <= 4) {
+ for (i = 0; i < g_stack_clear_len; i++)
+ fprintf(fout, "sf.d[%d] = ", g_stack_clear_start + i);
+ fprintf(fout, "0;\n");
+ }
+ else {
+ fprintf(fout, "memset(&sf[%d], 0, %d);\n",
+ g_stack_clear_start, g_stack_clear_len * 4);
+ }
+ }
+ else
+ fprintf(fout, "memset(&sf, 0, sizeof(sf));\n");
+ }
+
if (g_func_pp->is_vararg) {
if (g_func_pp->argc_stack == 0)
ferr(ops, "vararg func without stack args?\n");
strcpy(g_comment, "cdq");
break;
+ case OP_BSWAP:
+ assert_operand_cnt(1);
+ out_dst_opr(buf1, sizeof(buf1), po, &po->operand[0]);
+ fprintf(fout, " %s = __builtin_bswap32(%s);", buf1, buf1);
+ break;
+
case OP_LODS:
if (po->flags & OPF_REP) {
assert_operand_cnt(3);
fprintf(fout, "(u32)");
}
else if (po->regmask_dst & mxST0) {
- fprintf(fout, "f_st0 = ");
+ ferr_assert(po, po->flags & OPF_FPUSH);
+ if (need_float_stack)
+ fprintf(fout, "f_st[--f_stp & 7] = ");
+ else
+ fprintf(fout, "f_st0 = ");
}
}
no_output = 1;
break;
+ // pseudo ops
+ case OPP_ALLSHL:
+ case OPP_ALLSHR:
+ fprintf(fout, " tmp64 = ((u64)edx << 32) | eax;\n");
+ fprintf(fout, " tmp64 = (s64)tmp64 %s= LOBYTE(ecx);\n",
+ po->op == OPP_ALLSHL ? "<<" : ">>");
+ fprintf(fout, " edx = tmp64 >> 32; eax = tmp64;");
+ strcat(g_comment, po->op == OPP_ALLSHL
+ ? " allshl" : " allshr");
+ break;
+
// x87
case OP_FLD:
- if (po->flags & OPF_FSHIFT)
- fprintf(fout, " f_st1 = f_st0;\n");
- if (po->operand[0].type == OPT_REG
- && po->operand[0].reg == xST0)
- {
- strcat(g_comment, " fld st");
- break;
+ if (need_float_stack) {
+ out_src_opr_float(buf1, sizeof(buf1),
+ po, &po->operand[0], 1);
+ if (po->regmask_src & mxSTa) {
+ fprintf(fout, " f_st[(f_stp - 1) & 7] = %s; f_stp--;",
+ buf1);
+ }
+ else
+ fprintf(fout, " f_st[--f_stp & 7] = %s;", buf1);
+ }
+ else {
+ if (po->flags & OPF_FSHIFT)
+ fprintf(fout, " f_st1 = f_st0;");
+ if (po->operand[0].type == OPT_REG
+ && po->operand[0].reg == xST0)
+ {
+ strcat(g_comment, " fld st");
+ break;
+ }
+ fprintf(fout, " f_st0 = %s;",
+ out_src_opr_float(buf1, sizeof(buf1),
+ po, &po->operand[0], 0));
}
- fprintf(fout, " f_st0 = %s;",
- out_src_opr_float(buf1, sizeof(buf1), po, &po->operand[0]));
strcat(g_comment, " fld");
break;
case OP_FILD:
- if (po->flags & OPF_FSHIFT)
- fprintf(fout, " f_st1 = f_st0;\n");
- fprintf(fout, " f_st0 = (double)%s;",
- out_src_opr(buf1, sizeof(buf1), po, &po->operand[0],
- lmod_cast(po, po->operand[0].lmod, 1), 0));
+ out_src_opr(buf1, sizeof(buf1), po, &po->operand[0],
+ lmod_cast(po, po->operand[0].lmod, 1), 0);
+ snprintf(buf2, sizeof(buf2), "(%s)%s", float_type, buf1);
+ if (need_float_stack) {
+ fprintf(fout, " f_st[--f_stp & 7] = %s;", buf2);
+ }
+ else {
+ if (po->flags & OPF_FSHIFT)
+ fprintf(fout, " f_st1 = f_st0;");
+ fprintf(fout, " f_st0 = %s;", buf2);
+ }
strcat(g_comment, " fild");
break;
case OP_FLDc:
- if (po->flags & OPF_FSHIFT)
- fprintf(fout, " f_st1 = f_st0;\n");
- fprintf(fout, " f_st0 = ");
+ if (need_float_stack)
+ fprintf(fout, " f_st[--f_stp & 7] = ");
+ else {
+ if (po->flags & OPF_FSHIFT)
+ fprintf(fout, " f_st1 = f_st0;");
+ fprintf(fout, " f_st0 = ");
+ }
switch (po->operand[0].val) {
- case X87_CONST_1: fprintf(fout, "1.0;"); break;
- case X87_CONST_Z: fprintf(fout, "0.0;"); break;
+ case X87_CONST_1: fprintf(fout, "1.0;"); break;
+ case X87_CONST_LN2: fprintf(fout, "0.693147180559945;"); break;
+ case X87_CONST_Z: fprintf(fout, "0.0;"); break;
default: ferr(po, "TODO\n"); break;
}
break;
case OP_FST:
- if ((po->flags & OPF_FPOP) && po->operand[0].type == OPT_REG
- && po->operand[0].reg == xST0)
- {
- no_output = 1;
- break;
+ out_dst_opr_float(buf1, sizeof(buf1), po, &po->operand[0],
+ need_float_stack);
+ dead_dst = po->operand[0].type == OPT_REG
+ && po->operand[0].reg == xST0;
+ if (need_float_stack) {
+ if (!dead_dst)
+ fprintf(fout, " %s = f_st[f_stp & 7];", buf1);
+ if (po->flags & OPF_FSHIFT)
+ fprintf(fout, " f_stp++;");
}
- fprintf(fout, " %s = f_st0;",
- out_dst_opr_float(buf1, sizeof(buf1), po, &po->operand[0]));
- if (po->flags & OPF_FSHIFT)
- fprintf(fout, "\n f_st0 = f_st1;");
- strcat(g_comment, " fst");
+ else {
+ if (!dead_dst)
+ fprintf(fout, " %s = f_st0;", buf1);
+ if (po->flags & OPF_FSHIFT)
+ fprintf(fout, " f_st0 = f_st1;");
+ }
+ if (dead_dst && !(po->flags & OPF_FSHIFT))
+ no_output = 1;
+ else
+ strcat(g_comment, " fst");
break;
case OP_FADD:
case OP_FDIV:
case OP_FMUL:
case OP_FSUB:
+ out_dst_opr_float(buf1, sizeof(buf1), po, &po->operand[0],
+ need_float_stack);
+ out_src_opr_float(buf2, sizeof(buf2), po, &po->operand[1],
+ need_float_stack);
+ dead_dst = (po->flags & OPF_FPOP)
+ && po->operand[0].type == OPT_REG
+ && po->operand[0].reg == xST0;
switch (po->op) {
case OP_FADD: j = '+'; break;
case OP_FDIV: j = '/'; break;
case OP_FSUB: j = '-'; break;
default: j = 'x'; break;
}
- if (po->flags & OPF_FSHIFT) {
- fprintf(fout, " f_st0 = f_st1 %c f_st0;", j);
+ if (need_float_stack) {
+ if (!dead_dst)
+ fprintf(fout, " %s %c= %s;", buf1, j, buf2);
+ if (po->flags & OPF_FSHIFT)
+ fprintf(fout, " f_stp++;");
}
else {
- fprintf(fout, " %s %c= %s;",
- out_dst_opr_float(buf1, sizeof(buf1), po, &po->operand[0]),
- j,
- out_src_opr_float(buf2, sizeof(buf2), po, &po->operand[1]));
+ if (po->flags & OPF_FSHIFT) {
+ // note: assumes only 2 regs handled
+ if (!dead_dst)
+ fprintf(fout, " f_st0 = f_st1 %c f_st0;", j);
+ else
+ fprintf(fout, " f_st0 = f_st1;");
+ }
+ else if (!dead_dst)
+ fprintf(fout, " %s %c= %s;", buf1, j, buf2);
}
+ no_output = (dead_dst && !(po->flags & OPF_FSHIFT));
break;
case OP_FDIVR:
case OP_FSUBR:
- if (po->flags & OPF_FSHIFT)
- snprintf(buf1, sizeof(buf1), "f_st0");
- else
- out_dst_opr_float(buf1, sizeof(buf1), po, &po->operand[0]);
- fprintf(fout, " %s = %s %c %s;", buf1,
- out_src_opr_float(buf2, sizeof(buf2), po, &po->operand[1]),
- po->op == OP_FDIVR ? '/' : '-',
- out_src_opr_float(buf3, sizeof(buf3), po, &po->operand[0]));
+ out_dst_opr_float(buf1, sizeof(buf1), po, &po->operand[0],
+ need_float_stack);
+ out_src_opr_float(buf2, sizeof(buf2), po, &po->operand[1],
+ need_float_stack);
+ out_src_opr_float(buf3, sizeof(buf3), po, &po->operand[0],
+ need_float_stack);
+ dead_dst = (po->flags & OPF_FPOP)
+ && po->operand[0].type == OPT_REG
+ && po->operand[0].reg == xST0;
+ j = po->op == OP_FDIVR ? '/' : '-';
+ if (need_float_stack) {
+ if (!dead_dst)
+ fprintf(fout, " %s = %s %c %s;", buf1, buf2, j, buf3);
+ if (po->flags & OPF_FSHIFT)
+ fprintf(fout, " f_stp++;");
+ }
+ else {
+ if (po->flags & OPF_FSHIFT) {
+ if (!dead_dst)
+ fprintf(fout, " f_st0 = f_st0 %c f_st1;", j);
+ else
+ fprintf(fout, " f_st0 = f_st1;");
+ }
+ else if (!dead_dst)
+ fprintf(fout, " %s = %s %c %s;", buf1, buf2, j, buf3);
+ }
+ no_output = (dead_dst && !(po->flags & OPF_FSHIFT));
break;
case OP_FIADD:
case OP_FISUB: j = '-'; break;
default: j = 'x'; break;
}
- fprintf(fout, " f_st0 %c= (double)%s;", j,
+ fprintf(fout, " %s %c= (%s)%s;", float_st0,
+ j, float_type,
out_src_opr(buf1, sizeof(buf1), po, &po->operand[0],
lmod_cast(po, po->operand[0].lmod, 1), 0));
break;
case OP_FIDIVR:
case OP_FISUBR:
- fprintf(fout, " f_st0 = %s %c f_st0;",
- out_src_opr_float(buf2, sizeof(buf2), po, &po->operand[1]),
- po->op == OP_FIDIVR ? '/' : '-');
+ fprintf(fout, " %s = %s %c %s;", float_st0,
+ out_src_opr_float(buf2, sizeof(buf2), po, &po->operand[1],
+ need_float_stack),
+ po->op == OP_FIDIVR ? '/' : '-', float_st0);
+ break;
+
+ case OP_FCHS:
+ fprintf(fout, " %s = -%s;", float_st0, float_st0);
+ break;
+
+ case OP_FCOS:
+ fprintf(fout, " %s = cos%s(%s);", float_st0,
+ need_double ? "" : "f", float_st0);
+ break;
+
+ case OP_FPATAN:
+ if (need_float_stack) {
+ fprintf(fout, " %s = atan%s(%s / %s);", float_st1,
+ need_double ? "" : "f", float_st1, float_st0);
+ fprintf(fout, " f_stp++;");
+ }
+ else {
+ fprintf(fout, " f_st0 = atan%s(f_st1 / f_st0);",
+ need_double ? "" : "f");
+ }
+ break;
+
+ case OP_FYL2X:
+ if (need_float_stack) {
+ fprintf(fout, " %s = %s * log2%s(%s);", float_st1,
+ float_st1, need_double ? "" : "f", float_st0);
+ fprintf(fout, " f_stp++;");
+ }
+ else {
+ fprintf(fout, " f_st0 = f_st1 * log2%s(f_st0);",
+ need_double ? "" : "f");
+ }
+ break;
+
+ case OP_FSIN:
+ fprintf(fout, " %s = sin%s(%s);", float_st0,
+ need_double ? "" : "f", float_st0);
+ break;
+
+ case OP_FSQRT:
+ fprintf(fout, " %s = sqrt%s(%s);", float_st0,
+ need_double ? "" : "f", float_st0);
+ break;
+
+ case OP_FXCH:
+ dead_dst = po->operand[0].type == OPT_REG
+ && po->operand[0].reg == xST0;
+ if (!dead_dst) {
+ out_src_opr_float(buf1, sizeof(buf1), po, &po->operand[0],
+ need_float_stack);
+ fprintf(fout, " { %s t = %s; %s = %s; %s = t; }", float_type,
+ float_st0, float_st0, buf1, buf1);
+ strcat(g_comment, " fxch");
+ }
+ else
+ no_output = 1;
break;
case OPP_FTOL:
ferr_assert(po, po->flags & OPF_32BIT);
- fprintf(fout, " eax = (s32)f_st0;");
- if (po->flags & OPF_FSHIFT)
- fprintf(fout, "\n f_st0 = f_st1;");
+ fprintf(fout, " eax = (s32)%s;", float_st0);
+ if (po->flags & OPF_FSHIFT) {
+ if (need_float_stack)
+ fprintf(fout, " f_stp++;");
+ else
+ fprintf(fout, " f_st0 = f_st1;");
+ }
strcat(g_comment, " ftol");
break;
} *hg_vars;
static int hg_var_cnt;
+static char **hg_refs;
+static int hg_ref_cnt;
+
static void output_hdr_fp(FILE *fout, const struct func_prototype *fp,
int count);
-struct func_prototype *hg_fp_add(const char *funcn)
+static struct func_prototype *hg_fp_add(const char *funcn)
{
struct func_prototype *fp;
}
#endif
+static void hg_ref_add(const char *name)
+{
+ if ((hg_ref_cnt & 0xff) == 0) {
+ hg_refs = realloc(hg_refs, sizeof(hg_refs[0]) * (hg_ref_cnt + 0x100));
+ my_assert_not(hg_refs, NULL);
+ memset(hg_refs + hg_ref_cnt, 0, sizeof(hg_refs[0]) * 0x100);
+ }
+
+ hg_refs[hg_ref_cnt] = strdup(name);
+ my_assert_not(hg_refs[hg_ref_cnt], NULL);
+ hg_ref_cnt++;
+}
+
// recursive register dep pass
// - track saved regs (part 2)
// - try to figure out arg-regs
fp->argc_stack--;
}
- fp->regmask_dep = regmask_dep & ~(1 << xSP);
+ fp->regmask_dep = regmask_dep & ~((1 << xSP) | mxSTa);
fp->has_ret = has_ret;
#if 0
printf("// has_ret %d, regmask_dep %x\n",
}
}
+// make all thiscall/edx arg functions referenced from .data fastcall
+static void do_func_refs_from_data(void)
+{
+ struct func_prototype *fp, fp_s;
+ int i;
+
+ for (i = 0; i < hg_ref_cnt; i++) {
+ strcpy(fp_s.name, hg_refs[i]);
+ fp = bsearch(&fp_s, hg_fp, hg_fp_cnt,
+ sizeof(hg_fp[0]), hg_fp_cmp_name);
+ if (fp == NULL)
+ continue;
+
+ if (fp->argc_stack != 0 && (fp->regmask_dep & (mxCX | mxDX)))
+ fp->regmask_dep |= mxCX | mxDX;
+ }
+}
+
static void output_hdr_fp(FILE *fout, const struct func_prototype *fp,
int count)
{
char *p, namebuf[NAMELEN];
const char *name;
int regmask_dep;
- int argc_stack;
+ int argc_normal;
int j, arg;
for (; count > 0; count--, fp++) {
}
regmask_dep = fp->regmask_dep;
- argc_stack = fp->argc_stack;
+ argc_normal = fp->argc_stack;
fprintf(fout, "%-5s", fp->pp ? fp->pp->ret_type.name :
(fp->has_ret ? "int" : "void"));
- if (regmask_dep && (fp->is_stdcall || argc_stack == 0)
- && (regmask_dep & ~((1 << xCX) | (1 << xDX))) == 0)
+ if (regmask_dep && (fp->is_stdcall || fp->argc_stack > 0)
+ && (regmask_dep & ~mxCX) == 0)
+ {
+ fprintf(fout, "/*__thiscall*/ ");
+ argc_normal++;
+ regmask_dep = 0;
+ }
+ else if (regmask_dep && (fp->is_stdcall || fp->argc_stack == 0)
+ && (regmask_dep & ~(mxCX | mxDX)) == 0)
{
fprintf(fout, " __fastcall ");
- if (!(regmask_dep & (1 << xDX)) && argc_stack == 0)
- argc_stack = 1;
+ if (!(regmask_dep & (1 << xDX)) && fp->argc_stack == 0)
+ argc_normal = 1;
else
- argc_stack += 2;
+ argc_normal += 2;
regmask_dep = 0;
}
else if (regmask_dep && !fp->is_stdcall) {
}
}
- for (j = 0; j < argc_stack; j++) {
+ for (j = 0; j < argc_normal; j++) {
arg++;
if (arg != 1)
fprintf(fout, ", ");
for (i = 0; i < hg_fp_cnt; i++)
hg_fp_resolve_deps(&hg_fp[i]);
+ // adjust functions referenced from data segment
+ do_func_refs_from_data();
+
// note: messes up .proto ptr, don't use
//qsort(hg_fp, hg_fp_cnt, sizeof(hg_fp[0]), hg_fp_cmp_id);
s = sskip(s);
i = 0;
- if (*s == '\'') {
+ if (*s == '\'' && s[1] != '\r' && s[1] != '\n') {
w[0] = s[0];
for (i = 1; i < wsize - 1; i++) {
if (s[i] == 0) {
return s + i;
}
-static void scan_variables(FILE *fasm)
+static int cmpstringp(const void *p1, const void *p2)
+{
+ return strcmp(*(char * const *)p1, *(char * const *)p2);
+}
+
+static int is_xref_needed(char *p, char **rlist, int rlist_len)
+{
+ char *p2;
+
+ p = sskip(p);
+ if (strstr(p, "..."))
+ // unable to determine, assume needed
+ return 1;
+
+ if (*p == '.') // .text, .data, ...
+ // ref from other data or non-function -> no
+ return 0;
+
+ p2 = strpbrk(p, "+:\r\n\x18");
+ if (p2 != NULL)
+ *p2 = 0;
+ if (bsearch(&p, rlist, rlist_len, sizeof(rlist[0]), cmpstringp))
+ // referenced from removed code
+ return 0;
+
+ return 1;
+}
+
+static int ida_xrefs_show_need(FILE *fasm, char *p,
+ char **rlist, int rlist_len)
+{
+ int found_need = 0;
+ char line[256];
+ long pos;
+
+ p = strrchr(p, ';');
+ if (p != NULL && *p == ';' && IS_START(p + 2, "DATA XREF: ")) {
+ p += 13;
+ if (is_xref_needed(p, rlist, rlist_len))
+ return 1;
+ }
+
+ pos = ftell(fasm);
+ while (1)
+ {
+ if (!my_fgets(line, sizeof(line), fasm))
+ break;
+ // non-first line is always indented
+ if (!my_isblank(line[0]))
+ break;
+
+ // should be no content, just comment
+ p = sskip(line);
+ if (*p != ';')
+ break;
+
+ p = strrchr(p, ';');
+ p += 2;
+ // it's printed once, but no harm to check again
+ if (IS_START(p, "DATA XREF: "))
+ p += 11;
+
+ if (is_xref_needed(p, rlist, rlist_len)) {
+ found_need = 1;
+ break;
+ }
+ }
+ fseek(fasm, pos, SEEK_SET);
+ return found_need;
+}
+
+static void scan_variables(FILE *fasm, char **rlist, int rlist_len)
{
struct scanned_var *var;
char line[256] = { 0, };
- char words[3][256];
+ char words[4][256];
+ int no_identifier;
char *p = NULL;
int wordc;
int l;
asmln++;
p = line;
- if (my_isblank(*p))
- continue;
+ no_identifier = my_isblank(*p);
p = sskip(p);
if (*p == 0 || *p == ';')
if (wordc < 2)
continue;
+ if (no_identifier) {
+ if (wordc >= 3 && IS(words[0], "dd") && IS(words[1], "offset"))
+ hg_ref_add(words[2]);
+ continue;
+ }
+
if (IS_START(words[0], "__IMPORT_DESCRIPTOR_")) {
// when this starts, we don't need anything from this section
break;
}
+ // check refs comment(s)
+ if (!ida_xrefs_show_need(fasm, p, rlist, rlist_len))
+ continue;
+
if ((hg_var_cnt & 0xff) == 0) {
hg_vars = realloc(hg_vars, sizeof(hg_vars[0])
* (hg_var_cnt + 0x100));
continue;
}
- if (IS(words[1], "dd"))
+ if (IS(words[1], "dd")) {
var->lmod = OPLM_DWORD;
+ if (wordc >= 4 && IS(words[2], "offset"))
+ hg_ref_add(words[3]);
+ }
else if (IS(words[1], "dw"))
var->lmod = OPLM_WORD;
else if (IS(words[1], "db")) {
return strcmp(c1->name, c2->name);
}
-static int cmpstringp(const void *p1, const void *p2)
-{
- return strcmp(*(char * const *)p1, *(char * const *)p2);
-}
-
static void scan_ahead(FILE *fasm)
{
char words[2][256];
}
if (g_header_mode)
- scan_variables(fasm);
+ scan_variables(fasm, rlist, rlist_len);
while (my_fgets(line, sizeof(line), fasm))
{
}
}
}
+ else if (p[2] == 's' && IS_START(p, "; sctattr:"))
+ {
+ static const char *attrs[] = {
+ "clear_sf",
+ "clear_regmask",
+ };
+
+ // parse manual attribute-list comment
+ g_sct_func_attr = 0;
+ p = sskip(p + 10);
+
+ for (; *p != 0; p = sskip(p)) {
+ for (i = 0; i < ARRAY_SIZE(attrs); i++) {
+ if (!strncmp(p, attrs[i], strlen(attrs[i]))) {
+ g_sct_func_attr |= 1 << i;
+ p += strlen(attrs[i]);
+ break;
+ }
+ }
+ if (*p == '=') {
+ j = ret = 0;
+ if (i == 0)
+ // clear_sf=start,len (in dwords)
+ ret = sscanf(p, "=%d,%d%n", &g_stack_clear_start,
+ &g_stack_clear_len, &j);
+ else if (i == 1)
+ // clear_regmask=<mask>
+ ret = sscanf(p, "=%x%n", &g_regmask_init, &j) + 1;
+ if (ret < 2) {
+ anote("unparsed attr value: %s\n", p);
+ break;
+ }
+ p += j;
+ }
+ else if (i == ARRAY_SIZE(attrs)) {
+ anote("unparsed sct attr: %s\n", p);
+ break;
+ }
+ }
+ }
else if (p[2] == 'S' && IS_START(p, "; START OF FUNCTION CHUNK FOR "))
{
p += 30;
pending_endp = 0;
in_func = 0;
g_ida_func_attr = 0;
+ g_sct_func_attr = 0;
+ g_stack_clear_start = 0;
+ g_stack_clear_len = 0;
+ g_regmask_init = 0;
skip_warned = 0;
g_skip_func = 0;
g_func[0] = 0;
parse_op(&ops[pi], words, wordc);
- if (sctproto != NULL) {
- if (ops[pi].op == OP_CALL || ops[pi].op == OP_JMP)
- ops[pi].datap = sctproto;
- sctproto = NULL;
- }
+ ops[pi].datap = sctproto;
+ sctproto = NULL;
pi++;
}