From 53b50c908bc9c910d3ab8130f8b0e668121918ec Mon Sep 17 00:00:00 2001
From: notaz <notasas@gmail.com>
Date: Sat, 7 Nov 2015 03:06:42 +0200
Subject: [PATCH] new header tool

outputs a header IDA is almost happy with
---
 tools/Makefile  |  6 ++--
 tools/cvt_hdr.c | 91 +++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 95 insertions(+), 2 deletions(-)
 create mode 100644 tools/cvt_hdr.c

diff --git a/tools/Makefile b/tools/Makefile
index ef94fce..2f0a1ef 100644
--- a/tools/Makefile
+++ b/tools/Makefile
@@ -3,7 +3,8 @@ ifndef DEBUG
 CFLAGS += -O2
 endif
 
-T = asmproc cmpmrg_text mkbridge translate cvt_data mkdef_ord
+T += asmproc cmpmrg_text mkbridge translate
+T += cvt_data cvt_hdr mkdef_ord
 
 all: $(T)
 
@@ -13,8 +14,9 @@ clean:
 translate: translate.o
 mkbridge: mkbridge.o
 cvt_data: cvt_data.o
+cvt_hdr: cvt_hdr.o
 mkdef_ord: mkdef_ord.o
-mkbridge.o translate.o cvt_data.o mkdef_ord.o: \
+mkbridge.o translate.o cvt_data.o cvt_hdr.o mkdef_ord.o: \
  protoparse.h my_assert.h my_str.h
 
 translate: LDLIBS += -lm
diff --git a/tools/cvt_hdr.c b/tools/cvt_hdr.c
new file mode 100644
index 0000000..c698c19
--- /dev/null
+++ b/tools/cvt_hdr.c
@@ -0,0 +1,91 @@
+/*
+ * ia32rtools
+ * header simplification -
+ * output only stack args forced to basic types
+ *
+ * (C) notaz, 2013-2015
+ *
+ * This work is licensed under the terms of 3-clause BSD license.
+ * See COPYING file in the top-level directory.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "my_assert.h"
+#include "my_str.h"
+#include "common.h"
+
+#include "protoparse.h"
+
+static const char *output_type(const struct parsed_type *type)
+{
+  if (type->is_float)
+    return "float";
+  else if (type->is_64bit)
+    return "__int64";
+  else if (IS(type->name, "void"))
+    return "void";
+  else
+    return "int";
+}
+
+int main(int argc, char *argv[])
+{
+  const struct parsed_proto *pp;
+  FILE *fhdr, *fout;
+  int i, a, a_out;
+
+  if (argc != 3) {
+    printf("usage:\n%s <hdr_out.h> <hdr_in.h>\n", argv[0]);
+    return 1;
+  }
+
+  hdrfn = argv[2];
+  fhdr = fopen(hdrfn, "r");
+  my_assert_not(fhdr, NULL);
+  fout = fopen(argv[1], "w");
+  my_assert_not(fout, NULL);
+
+  build_caches(fhdr);
+
+  for (i = 0; i < pp_cache_size; i++) {
+    pp = &pp_cache[i];
+    if (!pp->is_func || pp->is_fptr || pp->is_osinc)
+      continue;
+
+    if (pp->argc_reg != 0)
+      fprintf(fout, "// %d reg args\n", pp->argc_reg);
+    fprintf(fout, "%-4s ", output_type(&pp->ret_type));
+    if (!pp->is_stdcall || pp->argc_stack == 0)
+      fprintf(fout, "__cdecl   ");
+    else
+      fprintf(fout, "__stdcall ");
+    fprintf(fout, "%s(", pp->name);
+
+    for (a = a_out = 0; a < pp->argc; a++) {
+      if (pp->arg[a].reg != NULL || pp->arg[a].type.is_retreg)
+        continue;
+      if (a_out++ > 0)
+        fprintf(fout, ", ");
+      fprintf(fout, "%s", output_type(&pp->arg[a].type));
+      if (pp->arg[a].type.is_64bit)
+        a++;
+    }
+    if (pp->is_vararg) {
+      if (a_out > 0)
+        fprintf(fout, ", ");
+      fprintf(fout, "...");
+    }
+    fprintf(fout, ");\n");
+  }
+
+  fclose(fhdr);
+  fclose(fout);
+  (void)proto_parse;
+
+  return 0;
+}
+
+// vim:ts=2:shiftwidth=2:expandtab
-- 
2.39.5