Add debug prints

Signed-off-by: Vyacheslav Cherkashin <v.cherkashin@samsung.com>

2 files changed, 44 insertions, 2 deletions

diff --git a/src/pal/src/loader/module.cpp b/src/pal/src/loader/module.cpp
index 4dc06d0944..efb11f57a8 100644
--- a/src/pal/src/loader/module.cpp
+++ b/src/pal/src/loader/module.cpp
@@ -85,6 +85,7 @@ using namespace CorUnix;
 
 #define LIBC_NAME_WITHOUT_EXTENSION "libc"
 
+extern "C" int dprintf(int fd, const char *format, ...);
 /* static variables ***********************************************************/
 
 /* critical section that regulates access to the module list */
@@ -1641,9 +1642,11 @@ static MODSTRUCT *LOADAddModule(NATIVE_LIBRARY_HANDLE dl_handle, LPCSTR libraryN
     exe_module.prev->next = module;
     exe_module.prev = module;
 
+    dprintf(1, "#### LOADAddModule PRE\n");
 #ifdef TIZEN_ASAN_ENVIRONMENT
     module->is_sanitized = module_is_sanitized(dl_handle);
 #endif // TIZEN_ASAN_ENVIRONMENT
+    dprintf(1, "#### LOADAddModule POST: is_sanitized=%d lib_name='%s'\n", module->is_sanitized, libraryNameOrPath);
 
 #if RETURNS_NEW_HANDLES_ON_REPEAT_DLOPEN
     module->inode = stat_buf.st_ino; 
diff --git a/src/vm/tizenasanenv.cpp b/src/vm/tizenasanenv.cpp
index 067aa3daae..afb78aeaec 100644
--- a/src/vm/tizenasanenv.cpp
+++ b/src/vm/tizenasanenv.cpp
@@ -2,6 +2,8 @@
 #include "common.h"
 #include "tizenasanenv.h"
 
+extern "C" int dprintf(int fd, const char *format, ...);
+extern "C" long write(int fd, const void *buf, unsigned long count);
 
 template <typename Type, int STACK_SIZE>
 class StaticStack {
@@ -58,15 +60,34 @@ static __thread int s_enableCounter;
 
 static void TryEnable()
 {
-    if (s_enableCounter == 0)
+    if (s_enableCounter == 0) {
+	{
+		char msg[] = "#### DO_ENABLE PRE\n";
+		write(1, msg, sizeof(msg) - 1);
+	}
         __sanitizer_enable_interceptors();
+	{
+		char msg[] = "#### DO_ENABLE POST\n";
+		write(1, msg, sizeof(msg) - 1);
+	}
+        __sanitizer_enable_interceptors();
+    }
     ++s_enableCounter;
 }
 
 static void TryDisable()
 {
-    if (s_enableCounter == 1)
+    if (s_enableCounter == 1) {
+	{
+		char msg[] = "#### DO_DISABLE PRE\n";
+		write(1, msg, sizeof(msg) - 1);
+	}
         __sanitizer_disable_interceptors();
+	{
+		char msg[] = "#### DO_DISABLE POST\n";
+		write(1, msg, sizeof(msg) - 1);
+	}
+    }
     --s_enableCounter;
 }
 
@@ -75,12 +96,20 @@ namespace TizenASanEnv {
 
 void PushAndDisableASan(LPVOID addr)
 {
+	{
+		char msg[] = "#### PushDisable\n";
+		write(1, msg, sizeof(msg) - 1);
+	}
     TryDisable();
     s_retaddrStack.push(addr);
 }
 
 LPVOID PopAndEnableASan()
 {
+	{
+		char msg[] = "#### PopEnable\n";
+		write(1, msg, sizeof(msg) - 1);
+	}
     LPVOID addr = s_retaddrStack.top();
     s_retaddrStack.pop();
 
@@ -91,12 +120,20 @@ LPVOID PopAndEnableASan()
 
 void PushAndEnableASan(LPVOID addr)
 {
+	{
+		char msg[] = "#### PushEnable\n";
+		write(1, msg, sizeof(msg) - 1);
+	}
     s_retaddrStack.push(addr);
     TryEnable();
 }
 
 LPVOID PopAndDisableASan()
 {
+	{
+		char msg[] = "#### PopDisable\n";
+		write(1, msg, sizeof(msg) - 1);
+	}
     TryDisable();
 
     LPVOID addr = s_retaddrStack.top();
@@ -107,6 +144,7 @@ LPVOID PopAndDisableASan()
 
 LPVOID CreateWrapper(LPVOID target, void (*pushAddr)(LPVOID addr), LPVOID (*popAddr)())
 {
+    dprintf(1, "#### CreateWrapper B\n");
     _ASSERTE(tizenASanWrapperEntryOffset == sizeof(AuxiliaryCalls));
 
     LPVOID wrapperSpace = (LPVOID)SystemDomain::GetGlobalLoaderAllocator()->GetExecutableHeap()->AllocMem(S_SIZE_T(tizenASanWrapperSize));
@@ -129,6 +167,7 @@ LPVOID CreateWrapper(LPVOID target, void (*pushAddr)(LPVOID addr), LPVOID (*popA
 
     FlushInstructionCache(GetCurrentProcess(), wrapperSpace, tizenASanWrapperSize);
 
+    dprintf(1, "#### CreateWrapper E\n");
     return entryPointer;
 }
 } // namespace TizenASanEnv