support __fastcall

[ia32rtools.git] / tools / protoparse.h

diff --git a/tools/protoparse.h b/tools/protoparse.h
index 3981588..be1dca9 100644 (file)
--- a/tools/protoparse.h
+++ b/tools/protoparse.h
@@ -27,6 +27,7 @@ struct parsed_proto {
        int argc_reg;
        unsigned int is_func:1;
        unsigned int is_stdcall:1;
+       unsigned int is_fastcall:1;
        unsigned int is_vararg:1;
        unsigned int is_fptr:1;
        unsigned int is_noreturn:1;
@@ -372,8 +373,10 @@ 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"))
@@ -559,11 +562,6 @@ 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++) {
@@ -573,6 +571,23 @@ 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;
 }