diff --git a/backend.native/tests/codegen/basics/local_variable-test.c b/backend.native/tests/codegen/basics/local_variable-test.c
index 9d0df19af46..6cb559a16e3 100644
--- a/backend.native/tests/codegen/basics/local_variable-test.c
+++ b/backend.native/tests/codegen/basics/local_variable-test.c
@@ -2,7 +2,7 @@ extern void *resolve_symbol(const char*);
 
 int
 run_test() {
-  int (*local_variable)(int) = resolve_symbol("kfun:local_variable");
+  int (*local_variable)(int) = resolve_symbol("kfun:local_variable(Int)");
 
   if (local_variable(3) != 14) return 1;
 
diff --git a/backend.native/tests/codegen/branching/advanced_when2-test.c b/backend.native/tests/codegen/branching/advanced_when2-test.c
index 4695c350045..a0538e95075 100644
--- a/backend.native/tests/codegen/branching/advanced_when2-test.c
+++ b/backend.native/tests/codegen/branching/advanced_when2-test.c
@@ -2,7 +2,7 @@ extern void *resolve_symbol(const char*);
 
 int
 run_test() {
-  int (*advanced_when2)(int) = resolve_symbol("kfun:advanced_when2");
+  int (*advanced_when2)(int) = resolve_symbol("kfun:advanced_when2(Int)");
 
   if (advanced_when2(2) != 3) return 1;
 
diff --git a/backend.native/tests/codegen/branching/advanced_when5-test.c b/backend.native/tests/codegen/branching/advanced_when5-test.c
index f7eb5bce518..98e369ecef6 100644
--- a/backend.native/tests/codegen/branching/advanced_when5-test.c
+++ b/backend.native/tests/codegen/branching/advanced_when5-test.c
@@ -2,7 +2,7 @@ extern void *resolve_symbol(const char*);
 
 int
 run_test() {
-  int (*advanced_when5)(int) = resolve_symbol("kfun:advanced_when5");
+  int (*advanced_when5)(int) = resolve_symbol("kfun:advanced_when5(Int)");
 
   if (advanced_when5(2) != 3) return 1;
 
diff --git a/backend.native/tests/codegen/branching/if_else-test.c b/backend.native/tests/codegen/branching/if_else-test.c
index 51bce6fc5ad..aa3ecfb5e8f 100644
--- a/backend.native/tests/codegen/branching/if_else-test.c
+++ b/backend.native/tests/codegen/branching/if_else-test.c
@@ -2,7 +2,7 @@ extern void *resolve_symbol(const char*);
 
 int
 run_test() {
-  int (*if_else)(int) = resolve_symbol("kfun:if_else");
+  int (*if_else)(int) = resolve_symbol("kfun:if_else(Boolean)");
 
   if (if_else(0) != 24) return 1;
 
diff --git a/backend.native/tests/codegen/branching/when2-test.c b/backend.native/tests/codegen/branching/when2-test.c
index 5740d124670..e0d823b3cd4 100644
--- a/backend.native/tests/codegen/branching/when2-test.c
+++ b/backend.native/tests/codegen/branching/when2-test.c
@@ -2,7 +2,7 @@ extern void *resolve_symbol(const char*);
 
 int
 run_test() {
-  int (*when2)(int) = resolve_symbol("kfun:when2");
+  int (*when2)(int) = resolve_symbol("kfun:when2(Int)");
 
   if (when2(0) != 42) return 1;
 
diff --git a/backend.native/tests/codegen/branching/when5-test.c b/backend.native/tests/codegen/branching/when5-test.c
index d42bfd9e14e..baf557a4eaf 100644
--- a/backend.native/tests/codegen/branching/when5-test.c
+++ b/backend.native/tests/codegen/branching/when5-test.c
@@ -2,7 +2,7 @@ extern void *resolve_symbol(const char*);
 
 int
 run_test() {
-  int (*when5)(int) = resolve_symbol("kfun:when5");
+  int (*when5)(int) = resolve_symbol("kfun:when5(Int)");
 
   if (when5(2) != 3) return 1;
 
diff --git a/backend.native/tests/codegen/branching/when_through-test.c b/backend.native/tests/codegen/branching/when_through-test.c
index b735313477b..6c68ffab541 100644
--- a/backend.native/tests/codegen/branching/when_through-test.c
+++ b/backend.native/tests/codegen/branching/when_through-test.c
@@ -2,7 +2,7 @@ extern void *resolve_symbol(const char*);
 
 int
 run_test() {
-  int (*when_through)(int) = resolve_symbol("kfun:when_through");
+  int (*when_through)(int) = resolve_symbol("kfun:when_through(Int)");
 
   if (when_through(2) != 3) return 1;
 
diff --git a/backend.native/tests/codegen/cycles/cycle-test.c b/backend.native/tests/codegen/cycles/cycle-test.c
index 80113d74356..84c4ca889b6 100644
--- a/backend.native/tests/codegen/cycles/cycle-test.c
+++ b/backend.native/tests/codegen/cycles/cycle-test.c
@@ -2,7 +2,7 @@ extern void *resolve_symbol(const char*);
 
 int
 run_test() {
-  int (*cycle)(int) = resolve_symbol("kfun:cycle");
+  int (*cycle)(int) = resolve_symbol("kfun:cycle(Int)");
 
   if (cycle(1) != 2) return 1;
   if (cycle(0) != 1) return 1;
diff --git a/backend.native/tests/codegen/cycles/cycle_do-test.c b/backend.native/tests/codegen/cycles/cycle_do-test.c
index a4c53852edf..e7c64255106 100644
--- a/backend.native/tests/codegen/cycles/cycle_do-test.c
+++ b/backend.native/tests/codegen/cycles/cycle_do-test.c
@@ -2,7 +2,7 @@ extern void *resolve_symbol(const char*);
 
 int
 run_test() {
-  int (*cycle_do)(int) = resolve_symbol("kfun:cycle_do");
+  int (*cycle_do)(int) = resolve_symbol("kfun:cycle_do(Int)");
 
   if (cycle_do(3) != 5) return 1;
   if (cycle_do(0) != 3) return 1;
diff --git a/backend.native/tests/codegen/function/arithmetic-test.c b/backend.native/tests/codegen/function/arithmetic-test.c
index 202f0130638..2d4169948e3 100644
--- a/backend.native/tests/codegen/function/arithmetic-test.c
+++ b/backend.native/tests/codegen/function/arithmetic-test.c
@@ -2,11 +2,11 @@ extern void *resolve_symbol(const char*);
 
 int
 run_test() {
-  int (*square)(int) = resolve_symbol("kfun:square");
-  int (*sum_of_squares)(int, int) = resolve_symbol("kfun:sumOfSquares");
-  int (*diff_of_squares)(int, int) = resolve_symbol("kfun:diffOfSquares");
-  int (*mod)(int, int) = resolve_symbol("kfun:mod");
-  int (*div)(int, int) = resolve_symbol("kfun:remainder");
+  int (*square)(int) = resolve_symbol("kfun:square(Int)");
+  int (*sum_of_squares)(int, int) = resolve_symbol("kfun:sumOfSquares(Int;Int)");
+  int (*diff_of_squares)(int, int) = resolve_symbol("kfun:diffOfSquares(Int;Int)");
+  int (*mod)(int, int) = resolve_symbol("kfun:mod(Int;Int)");
+  int (*div)(int, int) = resolve_symbol("kfun:remainder(Int;Int)");
   
   if (square(2) != 4) return 1;
   if (sum_of_squares(2, 4) != 20) return 1;
diff --git a/backend.native/tests/codegen/function/boolean-test.c b/backend.native/tests/codegen/function/boolean-test.c
index 016ee5c4a2b..a9e88fef2ac 100644
--- a/backend.native/tests/codegen/function/boolean-test.c
+++ b/backend.native/tests/codegen/function/boolean-test.c
@@ -2,7 +2,7 @@ extern void *resolve_symbol(const char*);
 
 int
 run_test() {
-  int (*bool_yes)() = resolve_symbol("kfun:bool_yes");
+  int (*bool_yes)() = resolve_symbol("kfun:bool_yes()");
 
   if (!bool_yes()) return 1;
 
diff --git a/backend.native/tests/codegen/function/eqeq-test.c b/backend.native/tests/codegen/function/eqeq-test.c
index 0365823c3ce..6251ca0b5a4 100644
--- a/backend.native/tests/codegen/function/eqeq-test.c
+++ b/backend.native/tests/codegen/function/eqeq-test.c
@@ -3,12 +3,12 @@ extern void *resolve_symbol(const char*);
 
 int
 run_test() {
-  int (*eqeqB)(uint8_t, uint8_t) = resolve_symbol("kfun:eqeqB");
-  int (*eqeqS)(int16_t, int16_t) = resolve_symbol("kfun:eqeqS");
-  int (*eqeqI)(int    , int    ) = resolve_symbol("kfun:eqeqI");
-  int (*eqeqL)(int64_t, int64_t) = resolve_symbol("kfun:eqeqL");
-  int (*eqeqF)(float  , float  ) = resolve_symbol("kfun:eqeqF");
-  int (*eqeqD)(double , double ) = resolve_symbol("kfun:eqeqD");
+  int (*eqeqB)(uint8_t, uint8_t) = resolve_symbol("kfun:eqeqB(Byte;Byte)");
+  int (*eqeqS)(int16_t, int16_t) = resolve_symbol("kfun:eqeqS(Short;Short)");
+  int (*eqeqI)(int    , int    ) = resolve_symbol("kfun:eqeqI(Int;Int)");
+  int (*eqeqL)(int64_t, int64_t) = resolve_symbol("kfun:eqeqL(Long;Long)");
+  int (*eqeqF)(float  , float  ) = resolve_symbol("kfun:eqeqF(Float;Float)");
+  int (*eqeqD)(double , double ) = resolve_symbol("kfun:eqeqD(Double;Double)");
   if (!eqeqB(3   , 3   )) return 1;
   if (!eqeqS(3   , 3   )) return 1;
   if (!eqeqI(3   , 3   )) return 1;
diff --git a/backend.native/tests/codegen/function/minus_eq-test.c b/backend.native/tests/codegen/function/minus_eq-test.c
index 3f92c05d0c2..877c4e4d3bb 100644
--- a/backend.native/tests/codegen/function/minus_eq-test.c
+++ b/backend.native/tests/codegen/function/minus_eq-test.c
@@ -2,9 +2,9 @@ extern void *resolve_symbol(const char*);
 
 int
 run_test() {
-  int (*plus_eq)(int) = resolve_symbol("kfun:minus_eq");
+  int (*plus_eq)(int) = resolve_symbol("kfun:minus_eq(Int)");
 
   if (plus_eq(23) != 12) return 1;
 
   return 0;
-}
\ No newline at end of file
+}
diff --git a/backend.native/tests/codegen/function/plus_eq-test.c b/backend.native/tests/codegen/function/plus_eq-test.c
index b7cac388695..128f9b56a1c 100644
--- a/backend.native/tests/codegen/function/plus_eq-test.c
+++ b/backend.native/tests/codegen/function/plus_eq-test.c
@@ -2,7 +2,7 @@ extern void *resolve_symbol(const char*);
 
 int
 run_test() {
-  int (*plus_eq)(int) = resolve_symbol("kfun:plus_eq");
+  int (*plus_eq)(int) = resolve_symbol("kfun:plus_eq(Int)");
 
   if (plus_eq(3) != 14) return 1;
 
diff --git a/backend.native/tests/codegen/function/sum-test.c b/backend.native/tests/codegen/function/sum-test.c
index d378419609f..5b1d195fe62 100644
--- a/backend.native/tests/codegen/function/sum-test.c
+++ b/backend.native/tests/codegen/function/sum-test.c
@@ -3,13 +3,13 @@ extern void *resolve_symbol(const char*);
 
 int
 run_test() {
-  int     (*sumIB)(int, uint8_t) = resolve_symbol("kfun:sumIB");
-  int     (*sumIS)(int, int16_t) = resolve_symbol("kfun:sumIS");
-  int     (*sumII)(int, int    ) = resolve_symbol("kfun:sumII");
-  int64_t (*sumIL)(int, int64_t) = resolve_symbol("kfun:sumIL");
-  float   (*sumIF)(int, float  ) = resolve_symbol("kfun:sumIF");
-  double  (*sumID)(int, double ) = resolve_symbol("kfun:sumID");
-  double  (*modID)(int, double ) = resolve_symbol("kfun:modID");
+  int     (*sumIB)(int, uint8_t) = resolve_symbol("kfun:sumIB(Int;Byte)");
+  int     (*sumIS)(int, int16_t) = resolve_symbol("kfun:sumIS(Int;Short)");
+  int     (*sumII)(int, int    ) = resolve_symbol("kfun:sumII(Int;Int)");
+  int64_t (*sumIL)(int, int64_t) = resolve_symbol("kfun:sumIL(Int;Long)");
+  float   (*sumIF)(int, float  ) = resolve_symbol("kfun:sumIF(Int;Float)");
+  double  (*sumID)(int, double ) = resolve_symbol("kfun:sumID(Int;Double)");
+  double  (*modID)(int, double ) = resolve_symbol("kfun:modID(Int;Double)");
   if (sumIB(2, 3)    != 5)    return 1;
   if (sumIS(2, 3)    != 5)    return 1;
   if (sumII(2, 3)    != 5)    return 1;
diff --git a/backend.native/tests/codegen/function/sum_3const-test.c b/backend.native/tests/codegen/function/sum_3const-test.c
index f547dc8ca55..a1e5dba70c9 100644
--- a/backend.native/tests/codegen/function/sum_3const-test.c
+++ b/backend.native/tests/codegen/function/sum_3const-test.c
@@ -2,7 +2,7 @@ extern void *resolve_symbol(const char*);
 
 int
 run_test() {
-  int (*sum3)() = resolve_symbol("kfun:sum3");
+  int (*sum3)() = resolve_symbol("kfun:sum3()");
 
   if (sum3() != 36) return 1;
 
diff --git a/backend.native/tests/codegen/function/sum_foo_bar-test.c b/backend.native/tests/codegen/function/sum_foo_bar-test.c
index 325c26b35fb..0326a5c2d1a 100644
--- a/backend.native/tests/codegen/function/sum_foo_bar-test.c
+++ b/backend.native/tests/codegen/function/sum_foo_bar-test.c
@@ -2,7 +2,7 @@ extern void *resolve_symbol(const char*);
 
 int
 run_test() {
-  int (*sum)(int, int) = resolve_symbol("kfun:sumFooBar");
+  int (*sum)(int, int) = resolve_symbol("kfun:sumFooBar(Int;Int)");
   
   if (sum(2, 3) != 5) return 1;
 
diff --git a/backend.native/tests/codegen/function/sum_imm-test.c b/backend.native/tests/codegen/function/sum_imm-test.c
index 0b65df8f1ec..79ce795f10e 100644
--- a/backend.native/tests/codegen/function/sum_imm-test.c
+++ b/backend.native/tests/codegen/function/sum_imm-test.c
@@ -2,7 +2,7 @@ extern void *resolve_symbol(const char*);
 
 int
 run_test() {
-  int (*sum)(int) = resolve_symbol("kfun:sum");
+  int (*sum)(int) = resolve_symbol("kfun:sum(Int)");
 
   if (sum(2) != 35) return 1;
 
diff --git a/backend.native/tests/codegen/object/initialization-test.c b/backend.native/tests/codegen/object/initialization-test.c
index 86646705db9..84eda08c605 100644
--- a/backend.native/tests/codegen/object/initialization-test.c
+++ b/backend.native/tests/codegen/object/initialization-test.c
@@ -2,7 +2,7 @@ extern void *resolve_symbol(const char*);
 
 int
 run_test() {
-  int (*foo)(int, int) = resolve_symbol("kfun:foo");
+  int (*foo)(int, int) = resolve_symbol("kfun:foo(Int;Int)");
   
   if (foo(2, 3) != 2) return 1;
 
diff --git a/backend.native/tests/main.c b/backend.native/tests/main.c
index 18a19344a72..56e8a363dbb 100644
--- a/backend.native/tests/main.c
+++ b/backend.native/tests/main.c
@@ -20,7 +20,7 @@ void * resolve_symbol(char *name) {
 int
 kotlinNativeMain() {
 #ifdef RUN_TEST
-  void (*main)(void *) = resolve_symbol("kfun:main");
+  void (*main)(void *) = resolve_symbol("kfun:main(Array<String>)");
   main((void *)0);
   return 0;
 #else
diff --git a/backend.native/tests/runtime/basic/hello1-test.c b/backend.native/tests/runtime/basic/hello1-test.c
index 69709087ec0..d5885bfec38 100644
--- a/backend.native/tests/runtime/basic/hello1-test.c
+++ b/backend.native/tests/runtime/basic/hello1-test.c
@@ -2,7 +2,7 @@ extern void *resolve_symbol(const char*);
 
 int
 run_test() {
-  void (*main)(void*) = resolve_symbol("kfun:main");
+  void (*main)(void*) = resolve_symbol("kfun:main(Array<String>)");
   
   main((void*)0);