Merge pull request #1686 from relapids/ppc_leak

Fix memory leak in PPC target. (#1680)
unicorn-engine · Aug 16, 2022 · 3c17f7c · 3c17f7c
2 parents 336425b + a3ccbf2
commit 3c17f7c
Showing 1 changed file with 15 additions and 0 deletions.
diff --git a/qemu/target/ppc/unicorn.c b/qemu/target/ppc/unicorn.c
@@ -109,6 +109,7 @@ static void ppc_release(void *ctx)
     int i;
     TCGContext *tcg_ctx = (TCGContext *)ctx;
     PowerPCCPU *cpu = (PowerPCCPU *)tcg_ctx->uc->cpu;
+    CPUPPCState *env = &cpu->env;
     CPUTLBDesc *d = cpu->neg.tlb.d;
     CPUTLBDescFast *f = cpu->neg.tlb.f;
     CPUTLBDesc *desc;
@@ -132,6 +133,20 @@ static void ppc_release(void *ctx)
 
     //    g_free(tcg_ctx->tb_ctx.tbs);
 
+    if (env->nb_tlb != 0) {
+        switch(env->tlb_type) {
+        case TLB_6XX:
+            g_free(env->tlb.tlb6);
+            break;
+        case TLB_EMB:
+            g_free(env->tlb.tlbe);
+            break;
+        case TLB_MAS:
+            g_free(env->tlb.tlbm);
+            break;
+        }
+    }
+
     ppc_cpu_instance_finalize(tcg_ctx->uc->cpu);
     ppc_cpu_unrealize(tcg_ctx->uc->cpu);
 }