refactor commit

10 files changed, 316 insertions, 176 deletions

diff --git a/Makefile b/Makefile
index 557a645..7b42346 100644
--- a/Makefile
+++ b/Makefile
@@ -9,7 +9,7 @@ WARNINGS := -Wall -Wextra -Wpedantic -Wformat=2 -Wstrict-aliasing=3 -Wstrict-ove
 
 override CFLAGS ?= -g
 override CFLAGS += -std=c11 $(WARNINGS)
-override CPPFLAGS += -Isrc
+override CPPFLAGS += -Isrc -DANDROID_X86_LINKER -DVERBOSE_FUNCTIONS
 
 bins = app
 all: $(bins) runtime/libc.so runtime/libandroid.so runtime/liblog.so
@@ -26,18 +26,17 @@ $(bins): %:
 runtime:
 	mkdir -p $@
 
-wrapper.a: private CPPFLAGS += -D_GNU_SOURCE -DANDROID_X86_LINKER
-wrapper.a: src/wrapper/wrapper.c
-jvm.a: private CPPFLAGS += -D_GNU_SOURCE
-jvm.a: private CFLAGS += -Wno-unused-variable -Wno-pedantic
-jvm.a: wrapper.a src/jvm/jvm.c
+verbose: src/wrapper/verbose.h
+wrapper.a: private CPPFLAGS += -D_GNU_SOURCE
+wrapper.a: verbose src/wrapper/wrapper.c src/wrapper/wrapper.h
 
-runtime/libdl.so: private CPPFLAGS += -D_GNU_SOURCE -DANDROID_X86_LINKER -DLINKER_DEBUG=1
+runtime/libdl.so: private CPPFLAGS += -D_GNU_SOURCE -DLINKER_DEBUG=1
 runtime/libdl.so: private CFLAGS += -Wno-pedantic -Wno-variadic-macros -Wno-pointer-to-int-cast -Wno-int-to-pointer-cast
 runtime/libdl.so: runtime wrapper.a src/linker/dlfcn.c src/linker/linker.c src/linker/linker_environ.c src/linker/rt.c src/linker/strlcpy.c
 runtime/libc.so: private CPPFLAGS += -D_GNU_SOURCE
+runtime/libc.so: private CFLAGS += -Wno-deprecated-declarations
 runtime/libc.so: private LDLIBS += `pkg-config --libs libbsd`
-runtime/libc.so: runtime src/libc.c
+runtime/libc.so: runtime verbose src/libc.c
 runtime/libpthread.so: private CPPFLAGS += -D_GNU_SOURCE
 runtime/libpthread.so: private LDLIBS += -lpthread
 runtime/libpthread.so: runtime src/libpthread.c
@@ -46,9 +45,12 @@ runtime/libandroid.so: runtime src/libandroid.c
 runtime/liblog.so: runtime src/liblog.c
 native: runtime/libdl.so runtime/libc.so runtime/libpthread.so runtime/libandroid.so runtime/liblog.so
 
+jvm.a: private CPPFLAGS += -D_GNU_SOURCE
+jvm.a: private CFLAGS += -Wno-unused-variable -Wno-pedantic
+jvm.a: wrapper.a src/jvm/jvm.c
 runtime/libjvm-java.so: private CPPFLAGS += -D_GNU_SOURCE
-runtime/libjvm-java.so: runtime src/libjvm-java.c
-runtime/libjvm-android.so: runtime src/libjvm-android.c
+runtime/libjvm-java.so: runtime verbose src/libjvm-java.c
+runtime/libjvm-android.so: runtime verbose src/libjvm-android.c
 runtime/libjvm-jnibridge.so: runtime src/libjvm-jnibridge.c
 java: runtime/libjvm-java.so runtime/libjvm-android.so runtime/libjvm-jnibridge.so
 
diff --git a/src/jvm/jvm.c b/src/jvm/jvm.c
index f3f6edf..abd2cb8 100644
--- a/src/jvm/jvm.c
+++ b/src/jvm/jvm.c
@@ -7,6 +7,7 @@
 #include "dlfcn.h"
 #include "jvm.h"
 #include "wrapper/wrapper.h"
+#include "wrapper/verbose.h"
 
 #define ARRAY_SIZE(x) (sizeof(x) / sizeof(x[0]))
 #define container_of(ptr, type, member) ((type *)((char *)(1 ? (ptr) : &((type *)0)->member) - offsetof(type, member)))
@@ -280,7 +281,7 @@ static jclass
 JNIEnv_FindClass(JNIEnv* p0, const char* p1)
 {
    assert(p0 && p1);
-   printf("%s\n", p1);
+   verbose("%s", p1);
    return jvm_make_class(jnienv_get_jvm(p0), p1);
 }
 
@@ -437,7 +438,7 @@ static jclass
 JNIEnv_GetObjectClass(JNIEnv* env, jobject p1)
 {
    assert(env && p1);
-   printf("%u\n", (uint32_t)(uintptr_t)p1);
+   verbose("%u", (uint32_t)(uintptr_t)p1);
    return jvm_get_object(jnienv_get_jvm(env), p1)->this_klass;
 }
 
@@ -451,7 +452,7 @@ static jmethodID
 jvm_make_method(struct jvm *jvm, jclass klass, const char *name, const char *sig)
 {
    assert(jvm && klass && name && sig);
-   printf("%s::%s::%s\n", jvm_get_object(jvm, klass)->klass.name.data, name, sig);
+   verbose("%s::%s::%s", jvm_get_object(jvm, klass)->klass.name.data, name, sig);
    struct jvm_object o = { .method.klass = klass, .type = JVM_OBJECT_METHOD };
    jvm_string_set_cstr(&o.method.name, name, true);
    jvm_string_set_cstr(&o.method.signature, sig, true);
@@ -489,7 +490,7 @@ jvm_form_symbol(struct jvm *jvm, jmethodID method_id, char *symbol, const size_t
 {
    assert(jvm && method_id);
    struct jvm_method *method = &jvm_get_object(jvm, method_id)->method;
-   printf("%s::%s::%s\n", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data, method->signature.data);
+   verbose("%s::%s::%s", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data, method->signature.data);
    snprintf(symbol, symbol_sz, "%s_%s", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
    cstr_replace(symbol, '/', '_');
    cstr_replace(symbol, '$', '_');
@@ -511,7 +512,7 @@ JNIEnv_CallObjectMethodA(JNIEnv* p0, jobject p1, jmethodID p2, jvalue* p3)
    assert(p0 && p1 && p2);
    struct jvm *jvm = jnienv_get_jvm(p0);
    struct jvm_method *method = &jvm_get_object(jvm, p2)->method;
-   printf("%s::%s\n", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
+   verbose("%s::%s", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
    return NULL;
 }
 
@@ -521,7 +522,7 @@ JNIEnv_CallBooleanMethod(JNIEnv* p0, jobject p1, jmethodID p2, ...)
    assert(p0 && p1 && p2);
    struct jvm *jvm = jnienv_get_jvm(p0);
    struct jvm_method *method = &jvm_get_object(jvm, p2)->method;
-   printf("%s::%s\n", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
+   verbose("%s::%s", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
    return 0;
 }
 
@@ -541,7 +542,7 @@ JNIEnv_CallBooleanMethodA(JNIEnv* p0, jobject p1, jmethodID p2, jvalue* p3)
    assert(p0 && p1 && p2);
    struct jvm *jvm = jnienv_get_jvm(p0);
    struct jvm_method *method = &jvm_get_object(jvm, p2)->method;
-   printf("%s::%s\n", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
+   verbose("%s::%s", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
    return 0;
 }
 
@@ -551,7 +552,7 @@ JNIEnv_CallByteMethod(JNIEnv* p0, jobject p1, jmethodID p2, ...)
    assert(p0 && p1 && p2);
    struct jvm *jvm = jnienv_get_jvm(p0);
    struct jvm_method *method = &jvm_get_object(jvm, p2)->method;
-   printf("%s::%s\n", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
+   verbose("%s::%s", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
    return 0;
 }
 
@@ -561,7 +562,7 @@ JNIEnv_CallByteMethodV(JNIEnv* p0, jobject p1, jmethodID p2, va_list p3)
    assert(p0 && p1 && p2);
    struct jvm *jvm = jnienv_get_jvm(p0);
    struct jvm_method *method = &jvm_get_object(jvm, p2)->method;
-   printf("%s::%s\n", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
+   verbose("%s::%s", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
    return 0;
 }
 
@@ -571,7 +572,7 @@ JNIEnv_CallByteMethodA(JNIEnv* p0, jobject p1, jmethodID p2, jvalue* p3)
    assert(p0 && p1 && p2);
    struct jvm *jvm = jnienv_get_jvm(p0);
    struct jvm_method *method = &jvm_get_object(jvm, p2)->method;
-   printf("%s::%s\n", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
+   verbose("%s::%s", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
    return 0;
 }
 
@@ -581,7 +582,7 @@ JNIEnv_CallCharMethod(JNIEnv* p0, jobject p1, jmethodID p2, ...)
    assert(p0 && p1 && p2);
    struct jvm *jvm = jnienv_get_jvm(p0);
    struct jvm_method *method = &jvm_get_object(jvm, p2)->method;
-   printf("%s::%s\n", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
+   verbose("%s::%s", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
    return 0;
 }
 
@@ -591,7 +592,7 @@ JNIEnv_CallCharMethodV(JNIEnv* p0, jobject p1, jmethodID p2, va_list p3)
    assert(p0 && p1 && p2);
    struct jvm *jvm = jnienv_get_jvm(p0);
    struct jvm_method *method = &jvm_get_object(jvm, p2)->method;
-   printf("%s::%s\n", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
+   verbose("%s::%s", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
    return 0;
 }
 
@@ -601,7 +602,7 @@ JNIEnv_CallCharMethodA(JNIEnv* p0, jobject p1, jmethodID p2, jvalue* p3)
    assert(p0 && p1 && p2);
    struct jvm *jvm = jnienv_get_jvm(p0);
    struct jvm_method *method = &jvm_get_object(jvm, p2)->method;
-   printf("%s::%s\n", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
+   verbose("%s::%s", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
    return 0;
 }
 
@@ -611,7 +612,7 @@ JNIEnv_CallShortMethod(JNIEnv* p0, jobject p1, jmethodID p2, ...)
    assert(p0 && p1 && p2);
    struct jvm *jvm = jnienv_get_jvm(p0);
    struct jvm_method *method = &jvm_get_object(jvm, p2)->method;
-   printf("%s::%s\n", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
+   verbose("%s::%s", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
    return 0;
 }
 
@@ -621,7 +622,7 @@ JNIEnv_CallShortMethodV(JNIEnv* p0, jobject p1, jmethodID p2, va_list p3)
    assert(p0 && p1 && p2);
    struct jvm *jvm = jnienv_get_jvm(p0);
    struct jvm_method *method = &jvm_get_object(jvm, p2)->method;
-   printf("%s::%s\n", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
+   verbose("%s::%s", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
    return 0;
 }
 
@@ -631,7 +632,7 @@ JNIEnv_CallShortMethodA(JNIEnv* p0, jobject p1, jmethodID p2, jvalue* p3)
    assert(p0 && p1 && p2);
    struct jvm *jvm = jnienv_get_jvm(p0);
    struct jvm_method *method = &jvm_get_object(jvm, p2)->method;
-   printf("%s::%s\n", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
+   verbose("%s::%s", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
    return 0;
 }
 
@@ -641,7 +642,7 @@ JNIEnv_CallIntMethod(JNIEnv* p0, jobject p1, jmethodID p2, ...)
    assert(p0 && p1 && p2);
    struct jvm *jvm = jnienv_get_jvm(p0);
    struct jvm_method *method = &jvm_get_object(jvm, p2)->method;
-   printf("%s::%s\n", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
+   verbose("%s::%s", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
    return 0;
 }
 
@@ -661,7 +662,7 @@ JNIEnv_CallIntMethodA(JNIEnv* p0, jobject p1, jmethodID p2, jvalue* p3)
    assert(p0 && p1 && p2);
    struct jvm *jvm = jnienv_get_jvm(p0);
    struct jvm_method *method = &jvm_get_object(jvm, p2)->method;
-   printf("%s::%s\n", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
+   verbose("%s::%s", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
    return 0;
 }
 
@@ -671,7 +672,7 @@ JNIEnv_CallLongMethod(JNIEnv* p0, jobject p1, jmethodID p2, ...)
    assert(p0 && p1 && p2);
    struct jvm *jvm = jnienv_get_jvm(p0);
    struct jvm_method *method = &jvm_get_object(jvm, p2)->method;
-   printf("%s::%s\n", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
+   verbose("%s::%s", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
    return 0;
 }
 
@@ -681,7 +682,7 @@ JNIEnv_CallLongMethodV(JNIEnv* p0, jobject p1, jmethodID p2, va_list p3)
    assert(p0 && p1 && p2);
    struct jvm *jvm = jnienv_get_jvm(p0);
    struct jvm_method *method = &jvm_get_object(jvm, p2)->method;
-   printf("%s::%s\n", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
+   verbose("%s::%s", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
    return 0;
 }
 
@@ -691,7 +692,7 @@ JNIEnv_CallLongMethodA(JNIEnv* p0, jobject p1, jmethodID p2, jvalue* p3)
    assert(p0 && p1 && p2);
    struct jvm *jvm = jnienv_get_jvm(p0);
    struct jvm_method *method = &jvm_get_object(jvm, p2)->method;
-   printf("%s::%s\n", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
+   verbose("%s::%s", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
    return 0;
 }
 
@@ -701,7 +702,7 @@ JNIEnv_CallFloatMethod(JNIEnv* p0, jobject p1, jmethodID p2, ...)
    assert(p0 && p1 && p2);
    struct jvm *jvm = jnienv_get_jvm(p0);
    struct jvm_method *method = &jvm_get_object(jvm, p2)->method;
-   printf("%s::%s\n", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
+   verbose("%s::%s", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
    return 0;
 }
 
@@ -711,7 +712,7 @@ JNIEnv_CallFloatMethodV(JNIEnv* p0, jobject p1, jmethodID p2, va_list p3)
    assert(p0 && p1 && p2);
    struct jvm *jvm = jnienv_get_jvm(p0);
    struct jvm_method *method = &jvm_get_object(jvm, p2)->method;
-   printf("%s::%s\n", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
+   verbose("%s::%s", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
    return 0;
 }
 
@@ -721,7 +722,7 @@ JNIEnv_CallFloatMethodA(JNIEnv* p0, jobject p1, jmethodID p2, jvalue* p3)
    assert(p0 && p1 && p2);
    struct jvm *jvm = jnienv_get_jvm(p0);
    struct jvm_method *method = &jvm_get_object(jvm, p2)->method;
-   printf("%s::%s\n", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
+   verbose("%s::%s", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
    return 0;
 }
 
@@ -731,7 +732,7 @@ JNIEnv_CallDoubleMethod(JNIEnv* p0, jobject p1, jmethodID p2, ...)
    assert(p0 && p1 && p2);
    struct jvm *jvm = jnienv_get_jvm(p0);
    struct jvm_method *method = &jvm_get_object(jvm, p2)->method;
-   printf("%s::%s\n", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
+   verbose("%s::%s", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
    return 0;
 }
 
@@ -741,7 +742,7 @@ JNIEnv_CallDoubleMethodV(JNIEnv* p0, jobject p1, jmethodID p2, va_list p3)
    assert(p0 && p1 && p2);
    struct jvm *jvm = jnienv_get_jvm(p0);
    struct jvm_method *method = &jvm_get_object(jvm, p2)->method;
-   printf("%s::%s\n", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
+   verbose("%s::%s", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
    return 0;
 }
 
@@ -751,7 +752,7 @@ JNIEnv_CallDoubleMethodA(JNIEnv* p0, jobject p1, jmethodID p2, jvalue* p3)
    assert(p0 && p1 && p2);
    struct jvm *jvm = jnienv_get_jvm(p0);
    struct jvm_method *method = &jvm_get_object(jvm, p2)->method;
-   printf("%s::%s\n", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
+   verbose("%s::%s", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
    return 0;
 }
 
@@ -761,7 +762,7 @@ JNIEnv_CallVoidMethod(JNIEnv* p0, jobject p1, jmethodID p2, ...)
    assert(p0 && p1 && p2);
    struct jvm *jvm = jnienv_get_jvm(p0);
    struct jvm_method *method = &jvm_get_object(jvm, p2)->method;
-   printf("%s::%s\n", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
+   verbose("%s::%s", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
 }
 
 static void
@@ -780,7 +781,7 @@ JNIEnv_CallVoidMethodA(JNIEnv* p0, jobject p1, jmethodID p2, jvalue* p3)
    assert(p0 && p1 && p2);
    struct jvm *jvm = jnienv_get_jvm(p0);
    struct jvm_method *method = &jvm_get_object(jvm, p2)->method;
-   printf("%s::%s\n", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
+   verbose("%s::%s", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
 }
 
 static jobject
@@ -789,7 +790,7 @@ JNIEnv_CallNonvirtualObjectMethod(JNIEnv* p0, jobject p1, jclass p2, jmethodID p
    assert(p0 && p1 && p2);
    struct jvm *jvm = jnienv_get_jvm(p0);
    struct jvm_method *method = &jvm_get_object(jvm, p2)->method;
-   printf("%s::%s\n", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
+   verbose("%s::%s", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
    return NULL;
 }
 
@@ -799,7 +800,7 @@ JNIEnv_CallNonvirtualObjectMethodV(JNIEnv* p0, jobject p1, jclass p2, jmethodID
    assert(p0 && p1 && p2);
    struct jvm *jvm = jnienv_get_jvm(p0);
    struct jvm_method *method = &jvm_get_object(jvm, p2)->method;
-   printf("%s::%s\n", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
+   verbose("%s::%s", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
    return NULL;
 }
 
@@ -809,7 +810,7 @@ JNIEnv_CallNonvirtualObjectMethodA(JNIEnv* p0, jobject p1, jclass p2, jmethodID
    assert(p0 && p1 && p2);
    struct jvm *jvm = jnienv_get_jvm(p0);
    struct jvm_method *method = &jvm_get_object(jvm, p2)->method;
-   printf("%s::%s\n", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
+   verbose("%s::%s", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
    return NULL;
 }
 
@@ -819,7 +820,7 @@ JNIEnv_CallNonvirtualBooleanMethod(JNIEnv* p0, jobject p1, jclass p2, jmethodID
    assert(p0 && p1 && p2);
    struct jvm *jvm = jnienv_get_jvm(p0);
    struct jvm_method *method = &jvm_get_object(jvm, p2)->method;
-   printf("%s::%s\n", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
+   verbose("%s::%s", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
    return 0;
 }
 
@@ -829,7 +830,7 @@ JNIEnv_CallNonvirtualBooleanMethodV(JNIEnv* p0, jobject p1, jclass p2, jmethodID
    assert(p0 && p1 && p2);
    struct jvm *jvm = jnienv_get_jvm(p0);
    struct jvm_method *method = &jvm_get_object(jvm, p2)->method;
-   printf("%s::%s\n", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
+   verbose("%s::%s", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
    return 0;
 }
 
@@ -839,7 +840,7 @@ JNIEnv_CallNonvirtualBooleanMethodA(JNIEnv* p0, jobject p1, jclass p2, jmethodID
    assert(p0 && p1 && p2);
    struct jvm *jvm = jnienv_get_jvm(p0);
    struct jvm_method *method = &jvm_get_object(jvm, p2)->method;
-   printf("%s::%s\n", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
+   verbose("%s::%s", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
    return 0;
 }
 
@@ -849,7 +850,7 @@ JNIEnv_CallNonvirtualByteMethod(JNIEnv* p0, jobject p1, jclass p2, jmethodID p3,
    assert(p0 && p1 && p2);
    struct jvm *jvm = jnienv_get_jvm(p0);
    struct jvm_method *method = &jvm_get_object(jvm, p2)->method;
-   printf("%s::%s\n", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
+   verbose("%s::%s", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
    return 0;
 }
 
@@ -859,7 +860,7 @@ JNIEnv_CallNonvirtualByteMethodV(JNIEnv* p0, jobject p1, jclass p2, jmethodID p3
    assert(p0 && p1 && p2);
    struct jvm *jvm = jnienv_get_jvm(p0);
    struct jvm_method *method = &jvm_get_object(jvm, p2)->method;
-   printf("%s::%s\n", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
+   verbose("%s::%s", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
    return 0;
 }
 
@@ -869,7 +870,7 @@ JNIEnv_CallNonvirtualByteMethodA(JNIEnv* p0, jobject p1, jclass p2, jmethodID p3
    assert(p0 && p1 && p2);
    struct jvm *jvm = jnienv_get_jvm(p0);
    struct jvm_method *method = &jvm_get_object(jvm, p2)->method;
-   printf("%s::%s\n", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
+   verbose("%s::%s", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
    return 0;
 }
 
@@ -879,7 +880,7 @@ JNIEnv_CallNonvirtualCharMethod(JNIEnv* p0, jobject p1, jclass p2, jmethodID p3,
    assert(p0 && p1 && p2);
    struct jvm *jvm = jnienv_get_jvm(p0);
    struct jvm_method *method = &jvm_get_object(jvm, p2)->method;
-   printf("%s::%s\n", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
+   verbose("%s::%s", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
    return 0;
 }
 
@@ -889,7 +890,7 @@ JNIEnv_CallNonvirtualCharMethodV(JNIEnv* p0, jobject p1, jclass p2, jmethodID p3
    assert(p0 && p1 && p2);
    struct jvm *jvm = jnienv_get_jvm(p0);
    struct jvm_method *method = &jvm_get_object(jvm, p2)->method;
-   printf("%s::%s\n", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
+   verbose("%s::%s", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
    return 0;
 }
 
@@ -899,7 +900,7 @@ JNIEnv_CallNonvirtualCharMethodA(JNIEnv* p0, jobject p1, jclass p2, jmethodID p3
    assert(p0 && p1 && p2);
    struct jvm *jvm = jnienv_get_jvm(p0);
    struct jvm_method *method = &jvm_get_object(jvm, p2)->method;
-   printf("%s::%s\n", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
+   verbose("%s::%s", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
    return 0;
 }
 
@@ -909,7 +910,7 @@ JNIEnv_CallNonvirtualShortMethod(JNIEnv* p0, jobject p1, jclass p2, jmethodID p3
    assert(p0 && p1 && p2);
    struct jvm *jvm = jnienv_get_jvm(p0);
    struct jvm_method *method = &jvm_get_object(jvm, p2)->method;
-   printf("%s::%s\n", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
+   verbose("%s::%s", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
    return 0;
 }
 
@@ -919,7 +920,7 @@ JNIEnv_CallNonvirtualShortMethodV(JNIEnv* p0, jobject p1, jclass p2, jmethodID p
    assert(p0 && p1 && p2);
    struct jvm *jvm = jnienv_get_jvm(p0);
    struct jvm_method *method = &jvm_get_object(jvm, p2)->method;
-   printf("%s::%s\n", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
+   verbose("%s::%s", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
    return 0;
 }
 
@@ -929,7 +930,7 @@ JNIEnv_CallNonvirtualShortMethodA(JNIEnv* p0, jobject p1, jclass p2, jmethodID p
    assert(p0 && p1 && p2);
    struct jvm *jvm = jnienv_get_jvm(p0);
    struct jvm_method *method = &jvm_get_object(jvm, p2)->method;
-   printf("%s::%s\n", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
+   verbose("%s::%s", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
    return 0;
 }
 
@@ -939,7 +940,7 @@ JNIEnv_CallNonvirtualIntMethod(JNIEnv* p0, jobject p1, jclass p2, jmethodID p3,
    assert(p0 && p1 && p2);
    struct jvm *jvm = jnienv_get_jvm(p0);
    struct jvm_method *method = &jvm_get_object(jvm, p2)->method;
-   printf("%s::%s\n", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
+   verbose("%s::%s", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
    return 0;
 }
 
@@ -949,7 +950,7 @@ JNIEnv_CallNonvirtualIntMethodV(JNIEnv* p0, jobject p1, jclass p2, jmethodID p3,
    assert(p0 && p1 && p2);
    struct jvm *jvm = jnienv_get_jvm(p0);
    struct jvm_method *method = &jvm_get_object(jvm, p2)->method;
-   printf("%s::%s\n", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
+   verbose("%s::%s", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
    return 0;
 }
 
@@ -959,7 +960,7 @@ JNIEnv_CallNonvirtualIntMethodA(JNIEnv* p0, jobject p1, jclass p2, jmethodID p3,
    assert(p0 && p1 && p2);
    struct jvm *jvm = jnienv_get_jvm(p0);
    struct jvm_method *method = &jvm_get_object(jvm, p2)->method;
-   printf("%s::%s\n", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
+   verbose("%s::%s", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
    return 0;
 }
 
@@ -969,7 +970,7 @@ JNIEnv_CallNonvirtualLongMethod(JNIEnv* p0, jobject p1, jclass p2, jmethodID p3,
    assert(p0 && p1 && p2);
    struct jvm *jvm = jnienv_get_jvm(p0);
    struct jvm_method *method = &jvm_get_object(jvm, p2)->method;
-   printf("%s::%s\n", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
+   verbose("%s::%s", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
    return 0;
 }
 
@@ -979,7 +980,7 @@ JNIEnv_CallNonvirtualLongMethodV(JNIEnv* p0, jobject p1, jclass p2, jmethodID p3
    assert(p0 && p1 && p2);
    struct jvm *jvm = jnienv_get_jvm(p0);
    struct jvm_method *method = &jvm_get_object(jvm, p2)->method;
-   printf("%s::%s\n", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
+   verbose("%s::%s", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
    return 0;
 }
 
@@ -989,7 +990,7 @@ JNIEnv_CallNonvirtualLongMethodA(JNIEnv* p0, jobject p1, jclass p2, jmethodID p3
    assert(p0 && p1 && p2);
    struct jvm *jvm = jnienv_get_jvm(p0);
    struct jvm_method *method = &jvm_get_object(jvm, p2)->method;
-   printf("%s::%s\n", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
+   verbose("%s::%s", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
    return 0;
 }
 
@@ -999,7 +1000,7 @@ JNIEnv_CallNonvirtualFloatMethod(JNIEnv* p0, jobject p1, jclass p2, jmethodID p3
    assert(p0 && p1 && p2);
    struct jvm *jvm = jnienv_get_jvm(p0);
    struct jvm_method *method = &jvm_get_object(jvm, p2)->method;
-   printf("%s::%s\n", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
+   verbose("%s::%s", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
    return 0;
 }
 
@@ -1009,7 +1010,7 @@ JNIEnv_CallNonvirtualFloatMethodV(JNIEnv* p0, jobject p1, jclass p2, jmethodID p
    assert(p0 && p1 && p2);
    struct jvm *jvm = jnienv_get_jvm(p0);
    struct jvm_method *method = &jvm_get_object(jvm, p2)->method;
-   printf("%s::%s\n", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
+   verbose("%s::%s", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
    return 0;
 }
 
@@ -1019,7 +1020,7 @@ JNIEnv_CallNonvirtualFloatMethodA(JNIEnv* p0, jobject p1, jclass p2, jmethodID p
    assert(p0 && p1 && p2);
    struct jvm *jvm = jnienv_get_jvm(p0);
    struct jvm_method *method = &jvm_get_object(jvm, p2)->method;
-   printf("%s::%s\n", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
+   verbose("%s::%s", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
    return 0;
 }
 
@@ -1029,7 +1030,7 @@ JNIEnv_CallNonvirtualDoubleMethod(JNIEnv* p0, jobject p1, jclass p2, jmethodID p
    assert(p0 && p1 && p2);
    struct jvm *jvm = jnienv_get_jvm(p0);
    struct jvm_method *method = &jvm_get_object(jvm, p2)->method;
-   printf("%s::%s\n", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
+   verbose("%s::%s", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
    return 0;
 }
 
@@ -1039,7 +1040,7 @@ JNIEnv_CallNonvirtualDoubleMethodV(JNIEnv* p0, jobject p1, jclass p2, jmethodID
    assert(p0 && p1 && p2);
    struct jvm *jvm = jnienv_get_jvm(p0);
    struct jvm_method *method = &jvm_get_object(jvm, p2)->method;
-   printf("%s::%s\n", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
+   verbose("%s::%s", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
    return 0;
 }
 
@@ -1049,7 +1050,7 @@ JNIEnv_CallNonvirtualDoubleMethodA(JNIEnv* p0, jobject p1, jclass p2, jmethodID
    assert(p0 && p1 && p2);
    struct jvm *jvm = jnienv_get_jvm(p0);
    struct jvm_method *method = &jvm_get_object(jvm, p2)->method;
-   printf("%s::%s\n", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
+   verbose("%s::%s", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
    return 0;
 }
 
@@ -1059,7 +1060,7 @@ JNIEnv_CallNonvirtualVoidMethod(JNIEnv* p0, jobject p1, jclass p2, jmethodID p3,
    assert(p0 && p1 && p2);
    struct jvm *jvm = jnienv_get_jvm(p0);
    struct jvm_method *method = &jvm_get_object(jvm, p2)->method;
-   printf("%s::%s\n", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
+   verbose("%s::%s", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
 }
 
 static void
@@ -1068,7 +1069,7 @@ JNIEnv_CallNonvirtualVoidMethodV(JNIEnv* p0, jobject p1, jclass p2, jmethodID p3
    assert(p0 && p1 && p2);
    struct jvm *jvm = jnienv_get_jvm(p0);
    struct jvm_method *method = &jvm_get_object(jvm, p2)->method;
-   printf("%s::%s\n", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
+   verbose("%s::%s", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
 }
 
 static void
@@ -1077,7 +1078,7 @@ JNIEnv_CallNonvirtualVoidMethodA(JNIEnv* p0, jobject p1, jclass p2, jmethodID p3
    assert(p0 && p1 && p2);
    struct jvm *jvm = jnienv_get_jvm(p0);
    struct jvm_method *method = &jvm_get_object(jvm, p2)->method;
-   printf("%s::%s\n", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
+   verbose("%s::%s", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
 }
 
 static jfieldID
@@ -1219,7 +1220,7 @@ JNIEnv_CallStaticObjectMethodA(JNIEnv* p0, jclass p1, jmethodID p2, jvalue* p3)
    assert(p0 && p1 && p2);
    struct jvm *jvm = jnienv_get_jvm(p0);
    struct jvm_method *method = &jvm_get_object(jvm, p2)->method;
-   printf("%s::%s\n", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
+   verbose("%s::%s", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
    return NULL;
 }
 
@@ -1229,7 +1230,7 @@ JNIEnv_CallStaticBooleanMethod(JNIEnv* p0, jclass p1, jmethodID p2, ...)
    assert(p0 && p1 && p2);
    struct jvm *jvm = jnienv_get_jvm(p0);
    struct jvm_method *method = &jvm_get_object(jvm, p2)->method;
-   printf("%s::%s\n", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
+   verbose("%s::%s", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
    return 0;
 }
 
@@ -1239,7 +1240,7 @@ JNIEnv_CallStaticBooleanMethodV(JNIEnv* p0, jclass p1, jmethodID p2, va_list p3)
    assert(p0 && p1 && p2);
    struct jvm *jvm = jnienv_get_jvm(p0);
    struct jvm_method *method = &jvm_get_object(jvm, p2)->method;
-   printf("%s::%s\n", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
+   verbose("%s::%s", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
    return 0;
 }
 
@@ -1249,7 +1250,7 @@ JNIEnv_CallStaticBooleanMethodA(JNIEnv* p0, jclass p1, jmethodID p2, jvalue* p3)
    assert(p0 && p1 && p2);
    struct jvm *jvm = jnienv_get_jvm(p0);
    struct jvm_method *method = &jvm_get_object(jvm, p2)->method;
-   printf("%s::%s\n", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
+   verbose("%s::%s", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
    return 0;
 }
 
@@ -1259,7 +1260,7 @@ JNIEnv_CallStaticByteMethod(JNIEnv* p0, jclass p1, jmethodID p2, ...)
    assert(p0 && p1 && p2);
    struct jvm *jvm = jnienv_get_jvm(p0);
    struct jvm_method *method = &jvm_get_object(jvm, p2)->method;
-   printf("%s::%s\n", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
+   verbose("%s::%s", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
    return 0;
 }
 
@@ -1269,7 +1270,7 @@ JNIEnv_CallStaticByteMethodV(JNIEnv* p0, jclass p1, jmethodID p2, va_list p3)
    assert(p0 && p1 && p2);
    struct jvm *jvm = jnienv_get_jvm(p0);
    struct jvm_method *method = &jvm_get_object(jvm, p2)->method;
-   printf("%s::%s\n", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
+   verbose("%s::%s", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
    return 0;
 }
 
@@ -1279,7 +1280,7 @@ JNIEnv_CallStaticByteMethodA(JNIEnv* p0, jclass p1, jmethodID p2, jvalue* p3)
    assert(p0 && p1 && p2);
    struct jvm *jvm = jnienv_get_jvm(p0);
    struct jvm_method *method = &jvm_get_object(jvm, p2)->method;
-   printf("%s::%s\n", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
+   verbose("%s::%s", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
    return 0;
 }
 
@@ -1289,7 +1290,7 @@ JNIEnv_CallStaticCharMethod(JNIEnv* p0, jclass p1, jmethodID p2, ...)
    assert(p0 && p1 && p2);
    struct jvm *jvm = jnienv_get_jvm(p0);
    struct jvm_method *method = &jvm_get_object(jvm, p2)->method;
-   printf("%s::%s\n", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
+   verbose("%s::%s", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
    return 0;
 }
 
@@ -1299,7 +1300,7 @@ JNIEnv_CallStaticCharMethodV(JNIEnv* p0, jclass p1, jmethodID p2, va_list p3)
    assert(p0 && p1 && p2);
    struct jvm *jvm = jnienv_get_jvm(p0);
    struct jvm_method *method = &jvm_get_object(jvm, p2)->method;
-   printf("%s::%s\n", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
+   verbose("%s::%s", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
    return 0;
 }
 
@@ -1309,7 +1310,7 @@ JNIEnv_CallStaticCharMethodA(JNIEnv* p0, jclass p1, jmethodID p2, jvalue* p3)
    assert(p0 && p1 && p2);
    struct jvm *jvm = jnienv_get_jvm(p0);
    struct jvm_method *method = &jvm_get_object(jvm, p2)->method;
-   printf("%s::%s\n", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
+   verbose("%s::%s", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
    return 0;
 }
 
@@ -1319,7 +1320,7 @@ JNIEnv_CallStaticShortMethod(JNIEnv* p0, jclass p1, jmethodID p2, ...)
    assert(p0 && p1 && p2);
    struct jvm *jvm = jnienv_get_jvm(p0);
    struct jvm_method *method = &jvm_get_object(jvm, p2)->method;
-   printf("%s::%s\n", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
+   verbose("%s::%s", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
    return 0;
 }
 
@@ -1329,7 +1330,7 @@ JNIEnv_CallStaticShortMethodV(JNIEnv* p0, jclass p1, jmethodID p2, va_list p3)
    assert(p0 && p1 && p2);
    struct jvm *jvm = jnienv_get_jvm(p0);
    struct jvm_method *method = &jvm_get_object(jvm, p2)->method;
-   printf("%s::%s\n", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
+   verbose("%s::%s", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
    return 0;
 }
 
@@ -1339,7 +1340,7 @@ JNIEnv_CallStaticShortMethodA(JNIEnv* p0, jclass p1, jmethodID p2, jvalue* p3)
    assert(p0 && p1 && p2);
    struct jvm *jvm = jnienv_get_jvm(p0);
    struct jvm_method *method = &jvm_get_object(jvm, p2)->method;
-   printf("%s::%s\n", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
+   verbose("%s::%s", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
    return 0;
 }
 
@@ -1349,7 +1350,7 @@ JNIEnv_CallStaticIntMethod(JNIEnv* p0, jclass p1, jmethodID p2, ...)
    assert(p0 && p1 && p2);
    struct jvm *jvm = jnienv_get_jvm(p0);
    struct jvm_method *method = &jvm_get_object(jvm, p2)->method;
-   printf("%s::%s\n", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
+   verbose("%s::%s", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
    return 0;
 }
 
@@ -1359,7 +1360,7 @@ JNIEnv_CallStaticIntMethodV(JNIEnv* p0, jclass p1, jmethodID p2, va_list p3)
    assert(p0 && p1 && p2);
    struct jvm *jvm = jnienv_get_jvm(p0);
    struct jvm_method *method = &jvm_get_object(jvm, p2)->method;
-   printf("%s::%s\n", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
+   verbose("%s::%s", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
    return 0;
 }
 
@@ -1369,7 +1370,7 @@ JNIEnv_CallStaticIntMethodA(JNIEnv* p0, jclass p1, jmethodID p2, jvalue* p3)
    assert(p0 && p1 && p2);
    struct jvm *jvm = jnienv_get_jvm(p0);
    struct jvm_method *method = &jvm_get_object(jvm, p2)->method;
-   printf("%s::%s\n", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
+   verbose("%s::%s", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
    return 0;
 }
 
@@ -1379,7 +1380,7 @@ JNIEnv_CallStaticLongMethod(JNIEnv* p0, jclass p1, jmethodID p2, ...)
    assert(p0 && p1 && p2);
    struct jvm *jvm = jnienv_get_jvm(p0);
    struct jvm_method *method = &jvm_get_object(jvm, p2)->method;
-   printf("%s::%s\n", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
+   verbose("%s::%s", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
    return 0;
 }
 
@@ -1389,7 +1390,7 @@ JNIEnv_CallStaticLongMethodV(JNIEnv* p0, jclass p1, jmethodID p2, va_list p3)
    assert(p0 && p1 && p2);
    struct jvm *jvm = jnienv_get_jvm(p0);
    struct jvm_method *method = &jvm_get_object(jvm, p2)->method;
-   printf("%s::%s\n", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
+   verbose("%s::%s", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
    return 0;
 }
 
@@ -1399,7 +1400,7 @@ JNIEnv_CallStaticLongMethodA(JNIEnv* p0, jclass p1, jmethodID p2, jvalue* p3)
    assert(p0 && p1 && p2);
    struct jvm *jvm = jnienv_get_jvm(p0);
    struct jvm_method *method = &jvm_get_object(jvm, p2)->method;
-   printf("%s::%s\n", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
+   verbose("%s::%s", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
    return 0;
 }
 
@@ -1409,7 +1410,7 @@ JNIEnv_CallStaticFloatMethod(JNIEnv* p0, jclass p1, jmethodID p2, ...)
    assert(p0 && p1 && p2);
    struct jvm *jvm = jnienv_get_jvm(p0);
    struct jvm_method *method = &jvm_get_object(jvm, p2)->method;
-   printf("%s::%s\n", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
+   verbose("%s::%s", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
    return 0;
 }
 
@@ -1419,7 +1420,7 @@ JNIEnv_CallStaticFloatMethodV(JNIEnv* p0, jclass p1, jmethodID p2, va_list p3)
    assert(p0 && p1 && p2);
    struct jvm *jvm = jnienv_get_jvm(p0);
    struct jvm_method *method = &jvm_get_object(jvm, p2)->method;
-   printf("%s::%s\n", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
+   verbose("%s::%s", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
    return 0;
 }
 
@@ -1429,7 +1430,7 @@ JNIEnv_CallStaticFloatMethodA(JNIEnv* p0, jclass p1, jmethodID p2, jvalue* p3)
    assert(p0 && p1 && p2);
    struct jvm *jvm = jnienv_get_jvm(p0);
    struct jvm_method *method = &jvm_get_object(jvm, p2)->method;
-   printf("%s::%s\n", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
+   verbose("%s::%s", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
    return 0;
 }
 
@@ -1439,7 +1440,7 @@ JNIEnv_CallStaticDoubleMethod(JNIEnv* p0, jclass p1, jmethodID p2, ...)
    assert(p0 && p1 && p2);
    struct jvm *jvm = jnienv_get_jvm(p0);
    struct jvm_method *method = &jvm_get_object(jvm, p2)->method;
-   printf("%s::%s\n", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
+   verbose("%s::%s", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
    return 0;
 }
 
@@ -1449,7 +1450,7 @@ JNIEnv_CallStaticDoubleMethodV(JNIEnv* p0, jclass p1, jmethodID p2, va_list p3)
    assert(p0 && p1 && p2);
    struct jvm *jvm = jnienv_get_jvm(p0);
    struct jvm_method *method = &jvm_get_object(jvm, p2)->method;
-   printf("%s::%s\n", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
+   verbose("%s::%s", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
    return 0;
 }
 
@@ -1459,7 +1460,7 @@ JNIEnv_CallStaticDoubleMethodA(JNIEnv* p0, jclass p1, jmethodID p2, jvalue* p3)
    assert(p0 && p1 && p2);
    struct jvm *jvm = jnienv_get_jvm(p0);
    struct jvm_method *method = &jvm_get_object(jvm, p2)->method;
-   printf("%s::%s\n", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
+   verbose("%s::%s", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
    return 0;
 }
 
@@ -1469,7 +1470,7 @@ JNIEnv_CallStaticVoidMethod(JNIEnv* p0, jclass p1, jmethodID p2, ...)
    assert(p0 && p1 && p2);
    struct jvm *jvm = jnienv_get_jvm(p0);
    struct jvm_method *method = &jvm_get_object(jvm, p2)->method;
-   printf("%s::%s\n", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
+   verbose("%s::%s", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
 }
 
 static void
@@ -1488,7 +1489,7 @@ JNIEnv_CallStaticVoidMethodA(JNIEnv* p0, jclass p1, jmethodID p2, jvalue* p3)
    assert(p0 && p1 && p2);
    struct jvm *jvm = jnienv_get_jvm(p0);
    struct jvm_method *method = &jvm_get_object(jvm, p2)->method;
-   printf("%s::%s\n", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
+   verbose("%s::%s", jvm_get_object(jvm, method->klass)->klass.name.data, method->name.data);
 }
 
 static jfieldID
@@ -1626,7 +1627,7 @@ static jstring
 JNIEnv_NewStringUTF(JNIEnv* p0, const char* p1)
 {
    assert(p0);
-   printf("%s\n", p1);
+   verbose("%s", p1);
    struct jvm_object o = { .type = JVM_OBJECT_STRING };
    jvm_string_set_cstr(&o.string, p1, true);
    return jvm_add_object_if_not_there(jnienv_get_jvm(p0), &o);
@@ -1946,7 +1947,7 @@ jvm_register_native_method(struct jvm *jvm, const jclass klass, const JNINativeM
    jvm_string_set_cstr(&jvm->methods[i].method.name, method->name, true);
    jvm_string_set_cstr(&jvm->methods[i].method.signature, method->signature, true);
    jvm->methods[i].function = method->fnPtr;
-   printf("%s::%s::%s\n", jvm_get_object(jvm, klass)->klass.name.data, method->name, method->signature);
+   verbose("%s::%s::%s", jvm_get_object(jvm, klass)->klass.name.data, method->name, method->signature);
 }
 
 static jint
@@ -2067,7 +2068,7 @@ JNIEnv_GetStringUTFChars(JNIEnv *env, jstring string, jboolean *isCopy)
    if (isCopy)
       *isCopy = JNI_FALSE;
 
-   printf("%s\n", (string ? jvm_get_object(jnienv_get_jvm(env), string)->string.data : "(null)"));
+   verbose("%s", (string ? jvm_get_object(jnienv_get_jvm(env), string)->string.data : "(null)"));
    return (string ? jvm_get_object(jnienv_get_jvm(env), string)->string.data : "(null)");
 }
 
diff --git a/src/libandroid.c b/src/libandroid.c
index b25d21b..c8bafa9 100644
--- a/src/libandroid.c
+++ b/src/libandroid.c
@@ -3,29 +3,31 @@
 #include <stdlib.h>
 #include <stdio.h>
 #include <assert.h>
-#include "jvm/jni.h"
 
 #define GLFW_INCLUDE_NONE
 #include <GLFW/glfw3.h>
 
+#include "jvm/jni.h"
+
 // System
 
 #define PROP_NAME_MAX   32
 #define PROP_VALUE_MAX  92
 
-int __system_property_get(const char *name, char *value)
+int
+__system_property_get(const char *name, char *value)
 {
    return 0;
 }
 
 // AConfiguration
 
-struct AConfiguration
-{
+struct AConfiguration {
+   char nop;
 };
 
-struct AAssetManager
-{
+struct AAssetManager {
+   char nop;
 };
 
 struct AConfiguration*
@@ -47,8 +49,8 @@ AConfiguration_fromAssetManager(struct AConfiguration *out, struct AAssetManager
 
 // ALooper
 
-static struct ALooper
-{
+static struct ALooper {
+   char nop;
 } thread_looper;
 
 typedef void* ALooper_callbackFunc;
@@ -85,6 +87,7 @@ ALooper_pollOnce(int timeoutMillis, int *outFd, int *outEvents, void **outData)
 // ASensor
 
 struct ASensor {
+   char nop;
 };
 
 const char*
@@ -118,9 +121,11 @@ ASensor_getMinDelay(struct ASensor const *sensor)
 }
 
 struct ASensorEvent {
+   char nop;
 };
 
 struct ASensorEventQueue {
+   char nop;
 };
 
 int
@@ -154,9 +159,11 @@ ASensorEventQueue_getEvents(struct ASensorEventQueue *queue, struct ASensorEvent
 }
 
 struct ASensorManager {
+   char nop;
 };
 
 struct ASensorList {
+   char nop;
 };
 
 struct ASensorManager*
@@ -191,8 +198,8 @@ ASensorManager_destroyEventQueue(struct ASensorManager *manager, struct ASensorE
 
 // AInput
 
-struct AInputEvent
-{
+struct AInputEvent {
+   char nop;
 };
 
 int32_t
@@ -381,8 +388,8 @@ AKeyEvent_getAction(const struct AInputEvent *key_event)
    return 0;
 }
 
-struct AInputQueue
-{
+struct AInputQueue {
+   char nop;
 };
 
 void
@@ -420,23 +427,22 @@ AInputQueue_finishEvent(struct AInputQueue *queue, struct AInputEvent *event, in
 
 // ANative
 
-struct ANativeWindow
-{
+struct ANativeWindow {
    GLFWwindow *glfw;
 };
 
-struct ANativeWindow_Buffer
-{
+struct ANativeWindow_Buffer {
+   char nop;
 };
 
-struct ARect
-{
+struct ARect {
+   char nop;
 };
 
 static void
 glfw_error_cb(int code, const char *error)
 {
-   printf("%d: %s\n", code, error);
+   fprintf(stderr, "glfw: (%d) %s\n", code, error);
 }
 
 struct ANativeWindow*
@@ -449,7 +455,7 @@ ANativeWindow_fromSurface(JNIEnv* env, jobject surface)
       return NULL;
 
    glfwInit();
-   printf("glfw: %s\n", glfwGetVersionString());
+   fprintf(stderr, "glfw: %s\n", glfwGetVersionString());
    glfwSetErrorCallback(glfw_error_cb);
    glfwWindowHint(GLFW_CLIENT_API, GLFW_OPENGL_ES_API);
    glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 2);
diff --git a/src/libc-verbose.h b/src/libc-verbose.h
new file mode 100644
index 0000000..bb03686
--- /dev/null
+++ b/src/libc-verbose.h
@@ -0,0 +1,117 @@
+#pragma once
+
+#include <stdarg.h>
+#include <string.h>
+
+/**
+ * This file implements functions only for verbose output, which is useful for debugging.
+ * These functions can be enabled with -DVERBOSE_FUNCTIONS
+ */
+
+int
+bionic_chdir(const char *path)
+{
+   verbose("%s", path);
+   return chdir(path);
+}
+
+int
+bionic_rename(const char *old, const char *fresh)
+{
+   verbose("%s -> %s", old, fresh);
+   return rename(old, fresh);
+}
+
+FILE*
+bionic_fopen(const char *path,  const char *mode)
+{
+   verbose("%s %s", path, mode);
+   return fopen(path, mode);
+}
+
+DIR*
+bionic_opendir(const char *path)
+{
+   verbose("%s", path);
+   return opendir(path);
+}
+
+int
+bionic_sprintf(char *str, const char *fmt, ...)
+{
+   verbose("%s", fmt);
+   va_list ap;
+   va_start(ap, fmt);
+   int r = vsprintf(str, fmt, ap);
+   va_end(ap);
+   return r;
+}
+
+int
+bionic_snprintf(char *str, size_t size, const char *fmt, ...)
+{
+   verbose("%s (%zu)", fmt, size);
+   va_list ap;
+   va_start(ap, fmt);
+   int r = vsnprintf(str, size, fmt, ap);
+   va_end(ap);
+   return r;
+}
+
+size_t
+bionic_strlen(const char *str)
+{
+   verbose("%s", str);
+   return strlen(str);
+}
+
+char*
+bionic_strcpy(char *dest, const char *src)
+{
+   verbose("%s", src);
+   return strcpy(dest, src);
+}
+
+char*
+bionic_strncpy(char *dest, const char *src, size_t n)
+{
+   verbose("%s (%zu)", src, n);
+   return strncpy(dest, src, n);
+}
+
+extern char* strdup(const char*);
+
+char*
+bionic_strdup(const char *str)
+{
+   verbose("%s", str);
+   return strdup(str);
+}
+
+char*
+bionic_strstr(const char *haystack, const char *needle)
+{
+   verbose("%s, %s", haystack, needle);
+   return strstr(haystack, needle);
+}
+
+int
+bionic_strcmp(const char *s1, const char *s2)
+{
+   verbose("%s == %s", s1, s2);
+   return strcmp(s1, s2);
+}
+
+int
+bionic_strncmp(const char *s1, const char *s2, size_t n)
+{
+   verbose("%s == %s (%zu)", s1, s2, n);
+   return strncmp(s1, s2, n);
+}
+
+ssize_t
+bionic_readlink(const char *path, char *buf, size_t bufsize)
+{
+   verbose("%s", path);
+   return readlink(path, buf, bufsize);
+}
diff --git a/src/libc.c b/src/libc.c
index 45396e3..a4fb0f2 100644
--- a/src/libc.c
+++ b/src/libc.c
@@ -9,6 +9,11 @@
 #include <sys/stat.h>
 #include <sys/types.h>
 #include <sys/syscall.h>
+#include  "wrapper/verbose.h"
+
+#ifdef VERBOSE_FUNCTIONS
+#  include "libc-verbose.h"
+#endif
 
 struct bionic_dirent {
    uint64_t d_ino;
@@ -19,6 +24,7 @@ struct bionic_dirent {
 };
 
 struct bionic_sigaction {
+   char nop;
 };
 
 // Stuff that doesn't exist in glibc
@@ -26,7 +32,7 @@ struct bionic_sigaction {
 void
 __assert2(const char* file, int line, const char* function, const char* failed_expression)
 {
-   fprintf(stderr, "%s:%d: %s: assertion \"%s\" failed", file, line, function, failed_expression);
+   fprintf(stderr, "%s:%d: %s: assertion \"%s\" failed\n", file, line, function, failed_expression);
    abort();
 }
 
@@ -39,12 +45,14 @@ gettid(void)
 int
 tgkill(int tgid, int tid, int sig)
 {
+   verbose("%d, %d, %d", tgid, tid, sig);
    return syscall(SYS_tgkill, tgid, tid, sig);
 }
 
 int
 tkill(int tid, int sig)
 {
+   verbose("%d, %d", tid, sig);
    return syscall(SYS_tkill, tid, sig);
 }
 
@@ -66,25 +74,28 @@ bionic___errno(void)
 int
 bionic_stat(const char *restrict path, struct stat *restrict buf)
 {
-   printf("stat: %s\n", path);
+   verbose("%s", path);
    return stat(path, buf);
 }
 
 int
 bionic_lstat(const char *restrict path, struct stat *restrict buf)
 {
+   verbose("%s", path);
    return lstat(path, buf);
 }
 
 int
 bionic_fstat(int fd, struct stat *buf)
 {
+   verbose("%d", fd);
    return fstat(fd, buf);
 }
 
 int
 bionic_fstatat(int dirfd, const char *pathname, void *buf, int flags)
 {
+   verbose("%d, %s", dirfd, pathname);
    return fstatat(dirfd, pathname, buf, flags);
 }
 
@@ -293,7 +304,7 @@ bionic_sysconf_to_glibc_sysconf(int name)
       case 0x009c: return _SC_LEVEL4_CACHE_ASSOC;
       case 0x009d: return _SC_LEVEL4_CACHE_LINESIZE;
       default:
-         assert(0 && "should not happend");
+         assert(0 && "sysconf constant (%d) is not mapped");
    }
    return 0xFFFF;
 }
@@ -303,26 +314,3 @@ bionic_sysconf(int name)
 {
    return sysconf(bionic_sysconf_to_glibc_sysconf(name));
 }
-
-// Debugging
-
-int
-strcmp(const char *s1, const char *s2)
-{
-   printf("%s == %s\n", s1, s2);
-   return strcmp(s1, s2);
-}
-
-int
-strncmp(const char *s1, const char *s2, size_t n)
-{
-   printf("%s == %s (%zu)\n", s1, s2, n);
-   return strncmp(s1, s2, n);
-}
-
-ssize_t
-readlink(const char *path, char *buf, size_t bufsize)
-{
-   printf("%s\n", path);
-   return snprintf(buf, bufsize, "file.apk");
-}
diff --git a/src/libjvm-android.c b/src/libjvm-android.c
index 9b53db6..b83f6b8 100644
--- a/src/libjvm-android.c
+++ b/src/libjvm-android.c
@@ -2,6 +2,7 @@
 #include <stdio.h>
 #include <assert.h>
 #include "jvm/jni.h"
+#include "wrapper/verbose.h"
 
 jstring
 android_content_Context_getPackageName(JNIEnv *env, jobject object, va_list args)
@@ -23,7 +24,7 @@ android_content_Context_getSharedPreferences(JNIEnv *env, jobject object, va_lis
    assert(env && object);
    jstring str = va_arg(args, jstring);
    (*env)->GetStringUTFChars(env, str, NULL);
-   printf("%d\n", va_arg(args, jint));
+   verbose("%d", va_arg(args, jint));
    va_end(args);
    static jobject sv;
    return (sv ? sv : (sv = (*env)->AllocObject(env, (*env)->FindClass(env, "android/content/SharedPreferences"))));
@@ -34,7 +35,7 @@ android_content_SharedPreferences_getInt(JNIEnv *env, jobject object, va_list ar
 {
    assert(env && object);
    jstring str = va_arg(args, jstring);
-   printf("%s::%d\n", (*env)->GetStringUTFChars(env, str, NULL), va_arg(args, jint));
+   verbose("%s::%d", (*env)->GetStringUTFChars(env, str, NULL), va_arg(args, jint));
    va_end(args);
    return 0;
 }
@@ -60,7 +61,7 @@ android_content_SharedPreferences_Editor_putInt(JNIEnv *env, jobject object, va_
 {
    assert(env && object);
    jstring str = va_arg(args, jstring);
-   printf("%s::%d\n", (*env)->GetStringUTFChars(env, str, NULL), va_arg(args, jint));
+   verbose("%s::%d", (*env)->GetStringUTFChars(env, str, NULL), va_arg(args, jint));
    va_end(args);
    return object;
 }
@@ -100,7 +101,7 @@ android_app_ApplicationErrorReport_getErrorReportReceiver(JNIEnv *env, jobject o
    jstring str = va_arg(args, jstring);
    jint flags = va_arg(args, jint);
    (*env)->GetStringUTFChars(env, str, NULL);
-   printf("%p, %d\n", obj, flags);
+   verbose("%p, %d", obj, flags);
    va_end(args);
    static jobject sv;
    return (sv ? sv : (sv = (*env)->AllocObject(env, (*env)->FindClass(env, "android/content/ComponentName"))));
diff --git a/src/libjvm-java.c b/src/libjvm-java.c
index e87b9a4..a043a30 100644
--- a/src/libjvm-java.c
+++ b/src/libjvm-java.c
@@ -6,6 +6,8 @@
 #include <err.h>
 #include <dlfcn.h>
 #include "jvm/jni.h"
+#include "linker/dlfcn.h"
+#include "wrapper/verbose.h"
 
 void
 java_lang_System_load(JNIEnv *env, jobject object, va_list args)
@@ -13,16 +15,20 @@ java_lang_System_load(JNIEnv *env, jobject object, va_list args)
    assert(env && object);
    const char *lib = (*env)->GetStringUTFChars(env, va_arg(args, jstring), NULL);
    va_end(args);
-   printf("%s\n", lib);
+   verbose("%s", lib);
 
    void *handle = bionic_dlopen(lib, RTLD_NOW | RTLD_GLOBAL);
    assert(handle);
 
-   void* (*JNI_OnLoad)(void*, void*);
-   if ((JNI_OnLoad = bionic_dlsym(handle, "JNI_OnLoad"))) {
+   union {
+      void *ptr;
+      void* (*fun)(void*, void*);
+   } JNI_OnLoad;
+
+   if ((JNI_OnLoad.ptr = bionic_dlsym(handle, "JNI_OnLoad"))) {
       JavaVM *vm;
       (*env)->GetJavaVM(env, &vm);
-      JNI_OnLoad(vm, NULL);
+      JNI_OnLoad.fun(vm, NULL);
    }
 }
 
diff --git a/src/linker/linker.c b/src/linker/linker.c
index e5e1095..0927164 100644
--- a/src/linker/linker.c
+++ b/src/linker/linker.c
@@ -119,7 +119,7 @@ static const char *apkenv_ldpreload_names[LDPRELOAD_MAX + 1];
 static soinfo *apkenv_preloads[LDPRELOAD_MAX + 1];
 
 #if LINKER_DEBUG
-int apkenv_debug_verbosity = 5;
+int apkenv_debug_verbosity = 0;
 #endif
 
 static int apkenv_pid;
@@ -1133,6 +1133,10 @@ apkenv_load_library(const char *name)
     Elf32_Ehdr *hdr;
 
     if(fd == -1) {
+        if (dlopen(name, RTLD_NOW | RTLD_GLOBAL)) {
+            DEBUG("Loaded %s with glibc dlopen\n", name);
+            return NULL;
+        }
 #if !LINKER_DEBUG
         if (!is_lib_optional(name))
 #endif
@@ -1365,12 +1369,9 @@ static int apkenv_reloc_library(soinfo *si, Elf32_Rel *rel, unsigned count)
             memcpy(wrap_sym_name + 7, sym_name, MIN(sizeof(wrap_sym_name) - 7, strlen(sym_name)));
             sym_addr = 0;
 
-            if (!strcmp(sym_name, "dl_iterate_phdr")) {
-                // FIXME: hack, move to libc.so
-                sym_addr = bionic_dl_iterate_phdr;
-            } else if ((sym_addr = dlsym(RTLD_DEFAULT, wrap_sym_name))) {
+            if ((sym_addr = (intptr_t)dlsym(RTLD_DEFAULT, wrap_sym_name))) {
                LINKER_DEBUG_PRINTF("%s hooked symbol %s to %x\n", si->name, wrap_sym_name, sym_addr);
-            } else if ((sym_addr = dlsym(RTLD_DEFAULT, sym_name))) {
+            } else if ((sym_addr = (intptr_t)dlsym(RTLD_DEFAULT, sym_name))) {
                LINKER_DEBUG_PRINTF("%s hooked symbol %s to %x\n", si->name, sym_name, sym_addr);
             }
 #if 0
@@ -1762,8 +1763,8 @@ static int apkenv_nullify_closed_stdio (void)
 
 static void apkenv_wrap_function(void *sym_addr, char *sym_name, int is_thumb, soinfo *si)
 {
-    void *hook = NULL;
 #ifdef APKENV_LATEHOOKS
+    void *hook = NULL;
     if((hook = apkenv_get_hooked_symbol(sym_name, 0)) != NULL)
     {
         // if we have a hook redirect the call to that by overwriting
@@ -2068,13 +2069,8 @@ static int apkenv_link_image(soinfo *si, unsigned wr_offset)
         if(d[0] == DT_NEEDED){
             DEBUG("%5d %s needs %s\n", apkenv_pid, si->name, si->strtab + d[1]);
             soinfo *lsi = NULL;
-#if 1
             // if (get_builtin_lib_handle(si->strtab + d[1]) == NULL)
             lsi = apkenv_find_library(si->strtab + d[1]);
-            if (!lsi && dlopen(si->strtab + d[1], RTLD_NOW | RTLD_GLOBAL)) {
-                DEBUG("Loaded %s with glibc dlopen\n", si->strtab + d[1]);
-            }
-#endif
             if(lsi == 0) {
                 /**
                  * XXX Dirty Hack Alarm --thp XXX
diff --git a/src/wrapper/verbose.h b/src/wrapper/verbose.h
new file mode 100644
index 0000000..719edc7
--- /dev/null
+++ b/src/wrapper/verbose.h
@@ -0,0 +1,16 @@
+#pragma once
+
+#ifdef VERBOSE_FUNCTIONS
+#  include <stdarg.h>
+static void
+verbose(const char *fmt, ...)
+{
+   va_list ap;
+   va_start(ap, fmt);
+   vfprintf(stderr, fmt, ap);
+   va_end(ap);
+   fputc('\n', stderr);
+}
+#else
+#  define verbose(...)
+#endif
diff --git a/src/wrapper/wrapper.c b/src/wrapper/wrapper.c
index 07d3239..3acef77 100644
--- a/src/wrapper/wrapper.c
+++ b/src/wrapper/wrapper.c
@@ -8,8 +8,10 @@
 #include <dlfcn.h>
 #include <assert.h>
 #include <sys/mman.h>
+#include "verbose.h"
 
-#ifdef ANDROID_X86_LINKER
+#ifdef VERBOSE_FUNCTIONS
+#   ifdef ANDROID_X86_LINKER
 __asm__(
     "wrapper_start: nop\n"
     "wrapper_symbol: pushl $0xFAFBFCFD\n"
@@ -17,33 +19,38 @@ __asm__(
     "wrapper_call: movl $0xFAFBFCFD, %eax\njmp *%eax\n"
     "wrapper_end: nop\n"
 );
-#   define WRAPPER_TRACE
-#else
-#   warning "no wrapper asm for this platform, function tracing is not available"
+#       define WRAPPER_TRACE
+#   else
+#       warning "no wrapper asm for this platform, function tracing is not available"
+#   endif
 #endif
 
 #ifdef WRAPPER_TRACE
 extern char wrapper_start, wrapper_symbol, wrapper_trace, wrapper_call, wrapper_end;
-static char* (*__cxa_demangle)(const char *mangled_name, char *output_buffer, size_t *length, int *status);
+
+static union {
+    void *ptr;
+    char* (*fun)(const char *mangled_name, char *output_buffer, size_t *length, int *status);
+} __cxa_demangle;
 
 static void
 trace(const char *const symbol)
 {
-    if (__cxa_demangle) {
+    if (__cxa_demangle.ptr) {
         // >If output_buffer is not long enough, it is expanded using realloc
         // Holy fuck gcc what the fuck? Guess we don't use stack then, thanks
         int status;
         char *demangled;
         static __thread char *data;
         static __thread size_t size;
-        if ((demangled = __cxa_demangle(symbol, data, &size, &status))) {
+        if ((demangled = __cxa_demangle.fun(symbol, data, &size, &status))) {
             data = (data != demangled ? demangled : data);
-            printf("trace: %s\n", demangled);
+            verbose("trace: %s", demangled);
             return;
         }
     }
 
-    printf("trace: %s\n", symbol);
+    verbose("trace: %s", symbol);
 }
 #endif
 
@@ -51,8 +58,8 @@ void*
 wrapper_create(const char *const symbol, void *function)
 {
 #ifdef WRAPPER_TRACE
-    if (!__cxa_demangle)
-        __cxa_demangle = dlsym(RTLD_DEFAULT, "__cxa_demangle");
+    if (!__cxa_demangle.ptr)
+        __cxa_demangle.ptr = dlsym(RTLD_DEFAULT, "__cxa_demangle");
 
     const size_t sz = &wrapper_end - &wrapper_start;
     unsigned char *fun = mmap(NULL, sz, PROT_READ | PROT_WRITE, MAP_ANONYMOUS | MAP_PRIVATE, -1, 0);