vixl: enable debug log on android

core/deps/vixl/aarch64/macro-assembler-aarch64.cc

@@ -2633,6 +2633,7 @@ void MacroAssembler::PrintfNoPreserve(const char* format,
     }
     dc32(arg_pattern_list);  // kPrintfArgPatternListOffset
   } else {
+#undef printf
     Register tmp = temps.AcquireX();
     Mov(tmp, reinterpret_cast<uintptr_t>(printf));
     Blr(tmp);

core/deps/vixl/platform-vixl.h

@@ -34,6 +34,28 @@ extern "C" {
 
 #define VIXL_CODE_BUFFER_MALLOC
 
+
+#if defined(_ANDROID) && defined(VIXL_DEBUG)
+#include <android/log.h>
+
+#ifdef printf
+#undef printf
+#endif
+
+#ifdef puts
+#undef puts
+#endif
+
+#define LOG_TAG   "reicast"
+#define LOGI(...) __android_log_print(ANDROID_LOG_INFO,LOG_TAG,__VA_ARGS__)
+#define LOGW(...) __android_log_print(ANDROID_LOG_WARN,LOG_TAG,__VA_ARGS__)
+#define LOGE(...) __android_log_print(ANDROID_LOG_ERROR,LOG_TAG,__VA_ARGS__)
+#define LOGD(...) __android_log_print(ANDROID_LOG_DEBUG,LOG_TAG,__VA_ARGS__)
+#define puts      LOGI
+#define printf    LOGI
+#define putinf    LOGI
+#endif
+
 namespace vixl {
 inline void HostBreakpoint() { raise(SIGINT); }
 }  // namespace vixl