[DYNAREC] Never protect bridge memory (ported from box86)

1 files changed, 3 insertions, 16 deletions

diff --git a/src/tools/bridge.c b/src/tools/bridge.c
index 3bc7ca22..16aaaf74 100755
--- a/src/tools/bridge.c
+++ b/src/tools/bridge.c
@@ -60,6 +60,9 @@ brick_t* NewBrick(void* old)
     if(ptr == MAP_FAILED) {
         printf_log(LOG_NONE, "Warning, cannot allocate 0x%lx aligned bytes for bridge, will probably crash later\n", NBRICK*sizeof(onebridge_t));
     }
+    #ifdef DYNAREC
+    setProtection((uintptr_t)ptr, NBRICK * sizeof(onebridge_t), PROT_READ | PROT_WRITE | PROT_EXEC | PROT_NOPROT);
+    #endif
     dynarec_log(LOG_INFO, "New Bridge brick at %p (size 0x%zx)\n", ptr, NBRICK*sizeof(onebridge_t));
     ret->b = ptr;
     return ret;
@@ -82,10 +85,6 @@ void FreeBridge(bridge_t** bridge)
     x64emu_t* emu = thread_get_emu();
     while(b) {
         brick_t *n = b->next;
-        #ifdef DYNAREC
-        if(getProtection((uintptr_t)b->b)&(PROT_DYNAREC|PROT_DYNAREC_R))
-            unprotectDB((uintptr_t)b->b, NBRICK*sizeof(onebridge_t), 0);
-        #endif
         my_munmap(emu, b->b, NBRICK*sizeof(onebridge_t));
         box_free(b);
         b = n;
@@ -119,24 +118,12 @@ uintptr_t AddBridge(bridge_t* bridge, wrapper_t w, void* fnc, int N, const char*
     kh_value(bridge->bridgemap, k) = (uintptr_t)&b->b[sz].CC;
     mutex_unlock(&my_context->mutex_bridge);
 
-    #ifdef DYNAREC
-    int prot = 0;
-    if(box64_dynarec) {
-        prot=(getProtection((uintptr_t)b->b)&(PROT_DYNAREC|PROT_DYNAREC_R))?1:0;
-        if(prot)
-            unprotectDB((uintptr_t)b->b, NBRICK*sizeof(onebridge_t), 0);    // don't mark blocks, it's only new one
-    }
-    #endif
     b->b[sz].CC = 0xCC;
     b->b[sz].S = 'S'; b->b[sz].C='C';
     b->b[sz].w = w;
     b->b[sz].f = (uintptr_t)fnc;
     b->b[sz].C3 = N?0xC2:0xC3;
     b->b[sz].N = N;
-    #ifdef DYNAREC
-    if(box64_dynarec)
-        protectDB((uintptr_t)b->b, NBRICK*sizeof(onebridge_t));
-    #endif
     #ifdef HAVE_TRACE
     if(name)
         addBridgeName(fnc, name);