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exec-all.h

@@ -234,7 +234,10 @@ struct TranslationBlock {
     uint32_t DECAF_num_opparam;
     unsigned long DECAF_tb_id; /* AWH - offset of this in "tbs" (exec.c) */
     uint16_t DECAF_num_temps; /* AWH - number of temp or local registers in this TB */
-    uint8_t DECAF_temp_type[64]; /* AWH - Bitmap to describe which registers are temp (0) or local (1) */ 
+    uint8_t DECAF_temp_type[256]; /* AWH - Bitmap to describe which registers are temp (0) or local (1) */ 
+    uint8_t DECAF_temp_size[256]; /* AWH - Bitmap to describe which registers are 32 bits (0) or 64 bits (1) */
+    uint8_t DECAF_disasm_code[256]; /* AWH - Guest code for this TB */
+    uint8_t DECAF_disasm_size; /* AWH - Size of guest code for this TB */
 #endif /* CONFIG_TCG_IR_LOG */
 };
 

exec.c

@@ -92,7 +92,7 @@ uint64_t *gDECAF_gen_opparam_buf;
 #endif /* TCG_TARGET_REG_BITS */
 #endif /* CONFIG_TCG_IR_LOG */
 /* AWH static */ TranslationBlock *tbs;
-static int code_gen_max_blocks;
+/* AWH static int */ uint32_t code_gen_max_blocks;
 TranslationBlock *tb_phys_hash[CODE_GEN_PHYS_HASH_SIZE];
 static int nb_tbs;
 /* any access to the tbs or the page table must use this lock */

shared/DECAF_callback.c

@@ -1124,15 +1124,17 @@ void helper_DECAF_invoke_block_trans_callback(
 	static DECAF_Callback_Params params;
 	params.bt.tb = tb;
 	params.bt.tcg_ctx = tcg_ctx;
-PUSH_ALL()
+/* AWH - Don't need PUSH/POP here because this callback is called at translation
+  time, not guest execution time. */
+//PUSH_ALL()
 	// FIXME: not thread safe
 	LIST_FOREACH(cb_struct, &callback_list_heads[DECAF_BLOCK_TRANS_CB], link)
 	{
 		params.cbhandle = (DECAF_Handle)cb_struct;
 		if (!cb_struct->enabled || *cb_struct->enabled)
 			cb_struct->callback(&params);
 	}
-POP_ALL()
+//POP_ALL()
 }
 #endif /* CONFIG_TCG_LLVM */
 void DECAF_callback_init(void)

target-arm/translate.c

@@ -9929,6 +9929,17 @@ inline void log_tcg_ir(TranslationBlock *tb)
   {
     if (tcg_ctx.temps[i].temp_local)
       tb->DECAF_temp_type[i>>3] |= (1 << (i % 8));
+    else
+      tb->DECAF_temp_type[i>>3] &= ~(1 << (i % 8));
+  }
+
+  /* Store information about the temps at to whether they are 32/64 bit */
+  for (i=tcg_ctx.nb_globals; i < (tcg_ctx.nb_globals + tcg_ctx.nb_temps); i++)
+  {
+    if (tcg_ctx.temps[i].type == TCG_TYPE_I64)
+      tb->DECAF_temp_size[i>>3] |= (1 << (i % 8));
+    else
+      tb->DECAF_temp_size[i>>3] &= ~(1 << (i % 8));
   }
 }
 #endif /* CONFIG_TCG_IR_LOG */

target-i386/translate.c

@@ -8010,7 +8010,7 @@ void optimize_flags_init(void)
 }
 
 #ifdef CONFIG_TCG_IR_LOG
-static inline void log_tcg_ir(TranslationBlock *tb)
+static inline void log_tcg_ir(TranslationBlock *tb, target_ulong pc_ptr, target_ulong pc_start)
 {
   int i;
 
@@ -8026,7 +8026,28 @@ static inline void log_tcg_ir(TranslationBlock *tb)
   {
     if (tcg_ctx.temps[i].temp_local)
       tb->DECAF_temp_type[i>>3] |= (1 << (i % 8));
-  }  
+    else
+      tb->DECAF_temp_type[i>>3] &= ~(1 << (i % 8));
+  }
+
+  /* Store information about the temps at to whether they are 32/64 bit */
+  for (i=tcg_ctx.nb_globals; i < (tcg_ctx.nb_globals + tcg_ctx.nb_temps); i++)
+  {
+    if (tcg_ctx.temps[i].type == TCG_TYPE_I64)
+      tb->DECAF_temp_size[i>>3] |= (1 << (i % 8));
+    else
+      tb->DECAF_temp_size[i>>3] &= ~(1 << (i % 8));
+  }
+
+#if 0 // AWH
+  /* Store the guest code */
+  memcpy((tb->DECAF_disasm_code), pc_ptr, sizeof(pc_ptr - pc_start));
+  tb->DECAF_disasm_size = pc_ptr - pc_start;
+  fprintf(stderr, "Storing guest asm (%d bytes)\n", tb->DECAF_disasm_size);
+  for(i=0; i < tb->DECAF_disasm_size; i++)
+    fprintf(stderr, "0x02%x ", pc_start + i);
+  fprintf(stderr, "\n");  
+#endif // AWH
 }
 #endif /* CONFIG_TCG_IR_LOG */
 
@@ -8153,7 +8174,7 @@ static inline void gen_intermediate_code_internal(CPUState *env,
                     }
 #endif /* CONFIG_TCG_LLVM */
 #ifdef CONFIG_TCG_IR_LOG
-                    log_tcg_ir(tb);
+                    log_tcg_ir(tb, pc_ptr, pc_start);
 #endif /* CONFIG_TCG_IR_LOG */
 #ifdef CONFIG_TCG_TAINT
                     if (taint_tracking_enabled)
@@ -8194,7 +8215,7 @@ static inline void gen_intermediate_code_internal(CPUState *env,
           }
 #endif /* CONFIG_TCG_LLVM */
 #ifdef CONFIG_TCG_IR_LOG
-            log_tcg_ir(tb);
+            log_tcg_ir(tb, pc_ptr, pc_start);
 #endif /* CONFIG_TCG_IR_LOG */
 #ifdef CONFIG_TCG_TAINT
             if (taint_tracking_enabled)
@@ -8217,7 +8238,7 @@ static inline void gen_intermediate_code_internal(CPUState *env,
             }
 #endif /* CONFIG_TCG_LLVM */
 #ifdef CONFIG_TCG_IR_LOG
-            log_tcg_ir(tb);
+            log_tcg_ir(tb, pc_ptr, pc_start);
 #endif /* CONFIG_TCG_IR_LOG */
 #ifdef CONFIG_TCG_TAINT
             if (taint_tracking_enabled)
@@ -8239,7 +8260,7 @@ static inline void gen_intermediate_code_internal(CPUState *env,
             }
 #endif /* CONFIG_TCG_LLVM */
 #ifdef CONFIG_TCG_IR_LOG
-            log_tcg_ir(tb);
+            log_tcg_ir(tb, pc_ptr, pc_start);
 #endif /* CONFIG_TCG_IR_LOG */
 #ifdef CONFIG_TCG_TAINT
             if (taint_tracking_enabled)
@@ -8258,7 +8279,7 @@ static inline void gen_intermediate_code_internal(CPUState *env,
           }
 #endif /* CONFIG_TCG_LLVM */
 #ifdef CONFIG_TCG_IR_LOG
-            log_tcg_ir(tb);
+            log_tcg_ir(tb, pc_ptr, pc_start);
 #endif /* CONFIG_TCG_IR_LOG */
 #ifdef CONFIG_TCG_TAINT
             if (taint_tracking_enabled)

target-mips/translate.c

@@ -58,6 +58,17 @@ inline void log_tcg_ir(TranslationBlock *tb)
   {
     if (tcg_ctx.temps[i].temp_local)
       tb->DECAF_temp_type[i>>3] |= (1 << (i % 8));
+    else
+      tb->DECAF_temp_type[i>>3] &= ~(1 << (i % 8));
+  }
+
+  /* Store information about the temps at to whether they are 32/64 bit */
+  for (i=tcg_ctx.nb_globals; i < (tcg_ctx.nb_globals + tcg_ctx.nb_temps); i++)
+  {
+    if (tcg_ctx.temps[i].type == TCG_TYPE_I64)
+      tb->DECAF_temp_size[i>>3] |= (1 << (i % 8));
+    else
+      tb->DECAF_temp_size[i>>3] &= ~(1 << (i % 8));
   }
 }
 #endif /* CONFIG_TCG_IR_LOG */