X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?p=ia32rtools.git;a=blobdiff_plain;f=tools%2Fprotoparse.h;h=3d70d8658dfc1988e14a659bf851c38ffa6b7dd1;hp=2f558660a47fd97892c84c1247c6a757315b7867;hb=61e29183dd00fa64584fa8787008b21a1c70b8ce;hpb=a2c1d768e2fc1ab87bd2ac6e106c7400dd243185

diff --git a/tools/protoparse.h b/tools/protoparse.h
index 2f55866..3d70d86 100644
--- a/tools/protoparse.h
+++ b/tools/protoparse.h
@@ -1,3 +1,10 @@
+/*
+ * ia32rtools
+ * (C) notaz, 2013,2014
+ *
+ * This work is licensed under the terms of 3-clause BSD license.
+ * See COPYING file in the top-level directory.
+ */
 
 struct parsed_proto;
 
@@ -6,6 +13,8 @@ struct parsed_type {
 	unsigned int is_array:1;
 	unsigned int is_ptr:1;
 	unsigned int is_struct:1; // split for args
+	unsigned int is_retreg:1; // register to return to caller
+	unsigned int is_va_list:1;
 };
 
 struct parsed_proto_arg {
@@ -27,10 +36,17 @@ struct parsed_proto {
 	int argc_reg;
 	unsigned int is_func:1;
 	unsigned int is_stdcall:1;
-	unsigned int is_vararg:1;
+	unsigned int is_fastcall:1;
+	unsigned int is_vararg:1;     // vararg func
 	unsigned int is_fptr:1;
 	unsigned int is_noreturn:1;
+	unsigned int is_unresolved:1;
+	unsigned int is_userstack:1;
+	unsigned int is_include:1;    // not from top-level header
+	unsigned int is_osinc:1;      // OS/system library func
+	unsigned int is_arg:1;        // declared in some func arg
 	unsigned int has_structarg:1;
+	unsigned int has_retreg:1;
 };
 
 static const char *hdrfn;
@@ -39,13 +55,17 @@ static int hdrfline = 0;
 static void pp_copy_arg(struct parsed_proto_arg *d,
 	const struct parsed_proto_arg *s);
 
-static int b_pp_c_handler(char *proto, const char *fname);
+static int b_pp_c_handler(char *proto, const char *fname,
+	int is_include, int is_osinc);
 
-static int do_protostrs(FILE *fhdr, const char *fname)
+static int do_protostrs(FILE *fhdr, const char *fname, int is_include)
 {
 	const char *finc_name;
 	const char *hdrfn_saved;
 	char protostr[256];
+	char path[256];
+	char fname_inc[256];
+	int is_osinc;
 	FILE *finc;
 	int line = 0;
 	int ret;
@@ -54,6 +74,9 @@ static int do_protostrs(FILE *fhdr, const char *fname)
 	hdrfn_saved = hdrfn;
 	hdrfn = fname;
 
+	is_osinc = strstr(fname, "stdc.hlist")
+		 || strstr(fname, "win32.hlist");
+
 	while (fgets(protostr, sizeof(protostr), fhdr))
 	{
 		line++;
@@ -63,13 +86,22 @@ static int do_protostrs(FILE *fhdr, const char *fname)
 			if (p != NULL)
 				*p = 0;
 
-			finc = fopen(finc_name, "r");
+			path[0] = 0;
+			p = strrchr(hdrfn_saved, '/');
+			if (p) {
+				memcpy(path, hdrfn_saved,
+					p - hdrfn_saved + 1);
+				path[p - hdrfn_saved + 1] = 0;
+			}
+			snprintf(fname_inc, sizeof(fname_inc), "%s%s", 
+				path, finc_name);
+			finc = fopen(fname_inc, "r");
 			if (finc == NULL) {
 				printf("%s:%d: can't open '%s'\n",
-					fname, line, finc_name);
+					fname_inc, line, finc_name);
 				continue;
 			}
-			ret = do_protostrs(finc, finc_name);
+			ret = do_protostrs(finc, finc_name, 1);
 			fclose(finc);
 			if (ret < 0)
 				break;
@@ -86,7 +118,8 @@ static int do_protostrs(FILE *fhdr, const char *fname)
 
 		hdrfline = line;
 
-		ret = b_pp_c_handler(protostr, hdrfn);
+		ret = b_pp_c_handler(protostr, hdrfn, is_include,
+			is_osinc);
 		if (ret < 0)
 			break;
 	}
@@ -99,14 +132,22 @@ static int do_protostrs(FILE *fhdr, const char *fname)
 	return -1;
 }
 
-static int get_regparm(char *dst, size_t dlen, char *p)
+static int get_regparm(char *dst, size_t dlen, char *p, int *retreg)
 {
-	int i, o;
+	int i = 0, o;
+
+	*retreg = 0;
 
 	if (*p != '<')
 		return 0;
 
-	for (o = 0, i = 1; o < dlen; i++) {
+	i++;
+	if (p[i] == '*') {
+		*retreg = 1;
+		i++;
+	}
+
+	for (o = 0; o < dlen; i++) {
 		if (p[i] == 0)
 			return 0;
 		if (p[i] == '>')
@@ -125,31 +166,48 @@ static const char *known_type_mod[] = {
 	"struct",
 	"enum",
 	"CONST",
+	"volatile",
 };
 
 static const char *known_ptr_types[] = {
+	"FARPROC",
+	"WNDPROC",
+	"LINECALLBACK",
 	"HACCEL",
 	"HANDLE",
 	"HBITMAP",
+	"HCALL",
 	"HCURSOR",
 	"HDC",
 	"HFONT",
 	"HGDIOBJ",
 	"HGLOBAL",
+	"HICON",
 	"HINSTANCE",
+	"HIMC", // DWORD in mingw, ptr in wine..
+	"HLINE",
+	"HLINEAPP",
+	"HLOCAL",
 	"HMODULE",
+	"HPALETTE",
 	"HRGN",
 	"HRSRC",
 	"HKEY",
 	"HMENU",
+	"HWAVEOUT",
 	"HWND",
+	"PBYTE",
 	"PCRITICAL_SECTION",
 	"PDWORD",
+	"PFILETIME",
+	"PLARGE_INTEGER",
 	"PHKEY",
 	"PLONG",
 	"PMEMORY_BASIC_INFORMATION",
+	"PUINT",
 	"PVOID",
 	"PCVOID",
+	"PWORD",
 	"DLGPROC",
 	"TIMERPROC",
 	"WNDENUMPROC",
@@ -238,6 +296,8 @@ static int check_type(const char *name, struct parsed_type *type)
 
 	ret = n1 - name;
 	type->name = strndup(name, ret);
+	if (IS(type->name, "__VALIST") || IS(type->name, "va_list"))
+		type->is_va_list = 1;
 	if (IS(type->name, "VOID"))
 		memcpy(type->name, "void", 4);
 
@@ -277,6 +337,7 @@ static int parse_protostr(char *protostr, struct parsed_proto *pp)
 	char regparm[16];
 	char buf[256];
 	char cconv[32];
+	int is_retreg;
 	int xarg = 0;
 	char *p, *p1;
 	int i, l;
@@ -314,6 +375,11 @@ static int parse_protostr(char *protostr, struct parsed_proto *pp)
 	}
 	p = sskip(p + ret);
 
+	if (!strncmp(p, "noreturn ", 9)) {
+		pp->is_noreturn = 1;
+		p = sskip(p + 9);
+	}
+
 	if (!strchr(p, ')')) {
 		p = next_idt(buf, sizeof(buf), p);
 		p = sskip(p);
@@ -350,14 +416,20 @@ static int parse_protostr(char *protostr, struct parsed_proto *pp)
 		pp->is_stdcall = 0;
 	else if (IS(cconv, "__stdcall"))
 		pp->is_stdcall = 1;
-	else if (IS(cconv, "__fastcall"))
-		pp->is_stdcall = 1;
+	else if (IS(cconv, "__fastcall")) {
+		pp->is_fastcall = 1;
+		pp->is_stdcall = 1; // sort of..
+	}
 	else if (IS(cconv, "__thiscall"))
 		pp->is_stdcall = 1;
 	else if (IS(cconv, "__userpurge"))
 		pp->is_stdcall = 1; // IDA
 	else if (IS(cconv, "__usercall"))
 		pp->is_stdcall = 0; // IDA
+	else if (IS(cconv, "__userstack")) {
+		pp->is_stdcall = 0; // custom
+		pp->is_userstack = 1;
+	}
 	else if (IS(cconv, "WINAPI"))
 		pp->is_stdcall = 1;
 	else {
@@ -388,7 +460,7 @@ static int parse_protostr(char *protostr, struct parsed_proto *pp)
 	}
 	strcpy(pp->name, buf);
 
-	ret = get_regparm(regparm, sizeof(regparm), p);
+	ret = get_regparm(regparm, sizeof(regparm), p, &is_retreg);
 	if (ret > 0) {
 		if (!IS(regparm, "eax") && !IS(regparm, "ax")
 		 && !IS(regparm, "al") && !IS(regparm, "edx:eax"))
@@ -482,6 +554,10 @@ static int parse_protostr(char *protostr, struct parsed_proto *pp)
 					hdrfn, hdrfline, p1 - protostr);
 				return -1;
 			}
+			arg->fptr->is_arg = 1;
+			// we don't use actual names right now..
+			snprintf(arg->fptr->name,
+				sizeof(arg->fptr->name), "a%d", xarg);
 			// we'll treat it as void * for non-calls
 			arg->type.name = strdup("void *");
 			arg->type.is_ptr = 1;
@@ -500,12 +576,24 @@ static int parse_protostr(char *protostr, struct parsed_proto *pp)
 #endif
 		arg->reg = NULL;
 
-		ret = get_regparm(regparm, sizeof(regparm), p);
+		ret = get_regparm(regparm, sizeof(regparm), p, &is_retreg);
 		if (ret > 0) {
 			p += ret;
 			p = sskip(p);
 
 			arg->reg = strdup(map_reg(regparm));
+			arg->type.is_retreg = is_retreg;
+			pp->has_retreg |= is_retreg;
+		}
+
+		if (strstr(arg->type.name, "int64")
+		    || IS(arg->type.name, "double"))
+		{
+			// hack..
+			free(arg->type.name);
+			arg->type.name = strdup("int");
+			pp_copy_arg(&pp->arg[xarg], arg);
+			xarg++;
 		}
 
 		ret = check_struct_arg(arg);
@@ -537,11 +625,6 @@ static int parse_protostr(char *protostr, struct parsed_proto *pp)
 		pp->arg[1].reg = strdup("edx");
 	}
 
-	if (pp->is_vararg && pp->is_stdcall) {
-		printf("%s:%d: vararg stdcall?\n", hdrfn, hdrfline);
-		return -1;
-	}
-
 	pp->argc = xarg;
 
 	for (i = 0; i < pp->argc; i++) {
@@ -551,6 +634,23 @@ static int parse_protostr(char *protostr, struct parsed_proto *pp)
 			pp->argc_reg++;
 	}
 
+	if (pp->argc == 1 && pp->arg[0].reg != NULL
+	    && IS(pp->arg[0].reg, "ecx"))
+	{
+		pp->is_fastcall = 1;
+	}
+	else if (pp->argc_reg == 2
+	  && pp->arg[0].reg != NULL && IS(pp->arg[0].reg, "ecx")
+	  && pp->arg[1].reg != NULL && IS(pp->arg[1].reg, "edx"))
+	{
+		pp->is_fastcall = 1;
+	}
+
+	if (pp->is_vararg && (pp->is_stdcall || pp->is_fastcall)) {
+		printf("%s:%d: vararg %s?\n", hdrfn, hdrfline, cconv);
+		return -1;
+	}
+
 	return p - protostr;
 }
 
@@ -564,7 +664,8 @@ static struct parsed_proto *pp_cache;
 static int pp_cache_size;
 static int pp_cache_alloc;
 
-static int b_pp_c_handler(char *proto, const char *fname)
+static int b_pp_c_handler(char *proto, const char *fname,
+	int is_include, int is_osinc)
 {
 	int ret;
 
@@ -582,27 +683,34 @@ static int b_pp_c_handler(char *proto, const char *fname)
 	if (ret < 0)
 		return -1;
 
+	pp_cache[pp_cache_size].is_include = is_include;
+	pp_cache[pp_cache_size].is_osinc = is_osinc;
 	pp_cache_size++;
 	return 0;
 }
 
 static void build_pp_cache(FILE *fhdr)
 {
+	long pos;
 	int ret;
 
+	pos = ftell(fhdr);
 	rewind(fhdr);
 
-	ret = do_protostrs(fhdr, hdrfn);
+	ret = do_protostrs(fhdr, hdrfn, 0);
 	if (ret < 0)
 		exit(1);
 
 	qsort(pp_cache, pp_cache_size, sizeof(pp_cache[0]), pp_name_cmp);
+	fseek(fhdr, pos, SEEK_SET);
 }
 
-static const struct parsed_proto *proto_parse(FILE *fhdr, const char *sym)
+static const struct parsed_proto *proto_parse(FILE *fhdr, const char *sym,
+	int quiet)
 {
 	const struct parsed_proto *pp_ret;
 	struct parsed_proto pp_search;
+	char *p;
 
 	if (pp_cache == NULL)
 		build_pp_cache(fhdr);
@@ -611,9 +719,13 @@ static const struct parsed_proto *proto_parse(FILE *fhdr, const char *sym)
 		sym++;
 
 	strcpy(pp_search.name, sym);
+	p = strchr(pp_search.name, '@');
+	if (p != NULL)
+		*p = 0;
+
 	pp_ret = bsearch(&pp_search, pp_cache, pp_cache_size,
 			sizeof(pp_cache[0]), pp_name_cmp);
-	if (pp_ret == NULL)
+	if (pp_ret == NULL && !quiet)
 		printf("%s: sym '%s' is missing\n", hdrfn, sym);
 
 	return pp_ret;
@@ -657,6 +769,52 @@ struct parsed_proto *proto_clone(const struct parsed_proto *pp_c)
 	return pp;
 }
 
+
+static inline int pp_cmp_func(const struct parsed_proto *pp1,
+  const struct parsed_proto *pp2)
+{
+  int i;
+
+  if (pp1->argc != pp2->argc || pp1->argc_reg != pp2->argc_reg)
+    return 1;
+  else {
+    for (i = 0; i < pp1->argc; i++) {
+      if ((pp1->arg[i].reg != NULL) != (pp2->arg[i].reg != NULL))
+        return 1;
+
+      if ((pp1->arg[i].reg != NULL)
+        && !IS(pp1->arg[i].reg, pp2->arg[i].reg))
+      {
+        return 1;
+      }
+    }
+  }
+
+  return 0;
+}
+
+static inline void pp_print(char *buf, size_t buf_size,
+  const struct parsed_proto *pp)
+{
+  size_t l;
+  int i;
+
+  snprintf(buf, buf_size, "%s %s(", pp->ret_type.name, pp->name);
+  l = strlen(buf);
+
+  for (i = 0; i < pp->argc_reg; i++) {
+    snprintf(buf + l, buf_size - l, "%s%s",
+      i == 0 ? "" : ", ", pp->arg[i].reg);
+    l = strlen(buf);
+  }
+  if (pp->argc_stack > 0) {
+    snprintf(buf + l, buf_size - l, "%s{%d stack}",
+      i == 0 ? "" : ", ", pp->argc_stack);
+    l = strlen(buf);
+  }
+  snprintf(buf + l, buf_size - l, ")");
+}
+
 static inline void proto_release(struct parsed_proto *pp)
 {
 	int i;