tools: better fastcall support

[ia32rtools.git] / tools / mkbridge.c

diff --git a/tools/mkbridge.c b/tools/mkbridge.c
index dda6269..29bdd9a 100644 (file)
--- a/tools/mkbridge.c
+++ b/tools/mkbridge.c
@@ -183,7 +183,21 @@ static void out_fromasm_x86(FILE *f, const char *sym,
          pp->is_fastcall ? "__fastcall" :
          (pp->is_stdcall ? "__stdcall" : "__cdecl"));
        if (ret64)
-                fprintf(f, " ret64");
+               fprintf(f, " ret64");
+       if (!pp->is_fastcall && pp->argc_reg != 0)
+               fprintf(f, " +reg");
+
+       if (pp->is_stdcall && !pp->is_fastcall && pp->argc_reg != 0
+           && !IS_START(sym, "sub_") && !IS_START(sym, "f_"))
+       {
+               // alias for possible .def export
+               char sym2[256];
+
+               snprintf(sym2, sizeof(sym2), "_%s@%d",
+                        sym, pp->argc * 4);
+               fprintf(f, "\n.global %s # for .def\n", sym2);
+               fprintf(f, "%s:", sym2);
+       }
        fprintf(f, "\n.global %s\n", sym);
        fprintf(f, "%s:\n", sym);
 
@@ -316,7 +330,7 @@ int main(int argc, char *argv[])
        my_assert_not(fout, NULL);
 
        fprintf(fout, ".text\n\n");
-       fprintf(fout, "# to asm\n\n");
+       fprintf(fout, "# C -> asm\n\n");
 
        while (fgets(line, sizeof(line), fsyms_to))
        {
@@ -337,7 +351,7 @@ int main(int argc, char *argv[])
                out_toasm_x86(fout, sym_noat, pp);
        }
 
-       fprintf(fout, "# from asm\n\n");
+       fprintf(fout, "# asm -> C\n\n");
 
        while (fgets(line, sizeof(line), fsyms_from))
        {