Re: [Qemu-devel] [patch] gcc4 host support

[Filip Navara]

Paul Brook wrote:

> On Wednesday 11 May 2005 22:04, Paul Brook wrote:
>  
>
> > The attached patch adds support for gcc4 x86 and x86_64 hosts.
> >    
>
> This time with the correct patch attached.
>
> Paul
>  
In addition to this patch I also needed the attached patch to get MinGW 
GCC 3.4.1 builds working...

- Filip

--- dyngen.c    Sat May 14 09:48:34 2005
+++ dyngen.c    Sat May 14 09:37:13 2005
@@ -2255,7 +2255,8 @@ void gen_code(const char *name, host_ulo
 
             for(i = 0, sym = symtab; i < nb_syms; i++, sym++) {
                 sym_name = get_sym_name(sym);
-                if (strstart(sym_name, "__op_label", &p)) {
+                if (strstart(sym_name, "__op_label", &p) ||
+                    strstart(sym_name, "_op_label", &p)) {
                     uint8_t *ptr;
                     unsigned long offset;
                     
--- exec-all.h  Sat May 14 09:48:34 2005
+++ exec-all.h  Sat May 14 09:37:04 2005
@@ -349,12 +349,20 @@ do {\
 
 #else
 
+#if __GNUC__ == 3 && __GNUC_MINOR__ < 4
+#define UNUSED __attribute__((unused))
+#elif defined(__GNUC__)
+#define UNUSED __attribute__((used))
+#else
+#define UNUSED
+#endif
+
 /* jump to next block operations (more portable code, does not need
    cache flushing, but slower because of indirect jump) */
 #define GOTO_TB(opname, tbparam, n)\
 do {\
-    static void __attribute__((unused)) *dummy ## n = &&dummy_label ## n;\
-    static void __attribute__((unused)) *__op_label ## n = &&label ## n;\
+    static void UNUSED *dummy ## n = &&dummy_label ## n;\
+    static void UNUSED *__op_label ## n = &&label ## n;\
     goto *(void *)(((TranslationBlock *)tbparam)->tb_next[n]);\
 label ## n: ;\
 dummy_label ## n: ;\