Make couple of mterp function names start with lower-case.

Most of our hand-written-assembly functions have lower-case name.

Test: test.py -b --host --interpreter
Change-Id: Ie1641dd77fcf772bc4c1f0d1896a7ce721f5d5a8
diff --git a/runtime/interpreter/mterp/arm/main.S b/runtime/interpreter/mterp/arm/main.S
index 4cf65d1..12b3dab 100644
--- a/runtime/interpreter/mterp/arm/main.S
+++ b/runtime/interpreter/mterp/arm/main.S
@@ -438,9 +438,9 @@
     b      MterpCheckBefore     @ (self, shadow_frame, dex_pc_ptr)  @ Tail call.
 
 %def opcode_pre():
-%  add_helper(dchecks_before_helper, "Mterp_dchecks_before_helper")
+%  add_helper(dchecks_before_helper, "mterp_dchecks_before_helper")
     #if !defined(NDEBUG)
-    bl     Mterp_dchecks_before_helper
+    bl     mterp_dchecks_before_helper
     #endif
 
 %def fallback():
@@ -766,9 +766,9 @@
     .text
 
 %def opcode_start():
-    ENTRY Mterp_${opcode}
+    ENTRY mterp_${opcode}
 %def opcode_end():
-    END Mterp_${opcode}
+    END mterp_${opcode}
 %def helper_start(name):
     ENTRY ${name}
 %def helper_end(name):
diff --git a/runtime/interpreter/mterp/arm64/main.S b/runtime/interpreter/mterp/arm64/main.S
index 0cfbbff..aefec61 100644
--- a/runtime/interpreter/mterp/arm64/main.S
+++ b/runtime/interpreter/mterp/arm64/main.S
@@ -451,9 +451,9 @@
     b      MterpCheckBefore     // (self, shadow_frame, dex_pc_ptr) Note: tail call.
 
 %def opcode_pre():
-%  add_helper(dchecks_before_helper, "Mterp_dchecks_before_helper")
+%  add_helper(dchecks_before_helper, "mterp_dchecks_before_helper")
     #if !defined(NDEBUG)
-    bl     Mterp_dchecks_before_helper
+    bl     mterp_dchecks_before_helper
     #endif
 
 %def footer():
@@ -788,9 +788,9 @@
     .text
 
 %def opcode_start():
-    ENTRY Mterp_${opcode}
+    ENTRY mterp_${opcode}
 %def opcode_end():
-    END Mterp_${opcode}
+    END mterp_${opcode}
 %def helper_start(name):
     ENTRY ${name}
 %def helper_end(name):
diff --git a/runtime/interpreter/mterp/common/gen_setup.py b/runtime/interpreter/mterp/common/gen_setup.py
index cfa5e2e..2684ab2 100644
--- a/runtime/interpreter/mterp/common/gen_setup.py
+++ b/runtime/interpreter/mterp/common/gen_setup.py
@@ -52,7 +52,7 @@
 # The output is temporarily redirected to in-memory buffer.
 def add_helper(write_helper, name = None):
   if name == None:
-    name = "Mterp_" + opcode + "_helper"
+    name = "mterp_" + opcode + "_helper"
   global out
   old_out = out
   out = StringIO()
diff --git a/runtime/interpreter/mterp/mips/main.S b/runtime/interpreter/mterp/mips/main.S
index b9e2e7a..88180cf 100644
--- a/runtime/interpreter/mterp/mips/main.S
+++ b/runtime/interpreter/mterp/mips/main.S
@@ -813,9 +813,9 @@
     jalr   zero, t9                     # Tail call to Mterp(self, shadow_frame, dex_pc_ptr)
 
 %def opcode_pre():
-%  add_helper(dchecks_before_helper, "Mterp_dchecks_before_helper")
+%  add_helper(dchecks_before_helper, "mterp_dchecks_before_helper")
     #if !defined(NDEBUG)
-    jal    SYMBOL(Mterp_dchecks_before_helper)
+    jal    SYMBOL(mterp_dchecks_before_helper)
     #endif
 
 %def fallback():
diff --git a/runtime/interpreter/mterp/mips64/main.S b/runtime/interpreter/mterp/mips64/main.S
index e26d8a5..ac3a4a3 100644
--- a/runtime/interpreter/mterp/mips64/main.S
+++ b/runtime/interpreter/mterp/mips64/main.S
@@ -434,9 +434,9 @@
     jalr    zero, t9                            # (self, shadow_frame, dex_pc_ptr) Note: tail call.
 
 %def opcode_pre():
-%  add_helper(dchecks_before_helper, "Mterp_dchecks_before_helper")
+%  add_helper(dchecks_before_helper, "mterp_dchecks_before_helper")
     #if !defined(NDEBUG)
-    jal    SYMBOL(Mterp_dchecks_before_helper)
+    jal    SYMBOL(mterp_dchecks_before_helper)
     #endif
 
 %def fallback():
diff --git a/runtime/interpreter/mterp/x86/main.S b/runtime/interpreter/mterp/x86/main.S
index 6eaea6f..8df75d2 100644
--- a/runtime/interpreter/mterp/x86/main.S
+++ b/runtime/interpreter/mterp/x86/main.S
@@ -438,9 +438,9 @@
     jmp     SYMBOL(MterpCheckBefore) # (self, shadow_frame, dex_pc_ptr)
 
 %def opcode_pre():
-%  add_helper(dchecks_before_helper, "Mterp_dchecks_before_helper")
+%  add_helper(dchecks_before_helper, "mterp_dchecks_before_helper")
     #if !defined(NDEBUG)
-    call    SYMBOL(Mterp_dchecks_before_helper)
+    call    SYMBOL(mterp_dchecks_before_helper)
     REFRESH_IBASE
     #endif
 
@@ -795,9 +795,9 @@
     .text
 
 %def opcode_start():
-    ENTRY Mterp_${opcode}
+    ENTRY mterp_${opcode}
 %def opcode_end():
-    END Mterp_${opcode}
+    END mterp_${opcode}
 %def helper_start(name):
     ENTRY ${name}
 %def helper_end(name):
diff --git a/runtime/interpreter/mterp/x86_64/main.S b/runtime/interpreter/mterp/x86_64/main.S
index 5900220..5f1fd2d 100644
--- a/runtime/interpreter/mterp/x86_64/main.S
+++ b/runtime/interpreter/mterp/x86_64/main.S
@@ -422,9 +422,9 @@
     jmp     SYMBOL(MterpCheckBefore) # (self, shadow_frame, dex_pc_ptr)
 
 %def opcode_pre():
-%  add_helper(dchecks_before_helper, "Mterp_dchecks_before_helper")
+%  add_helper(dchecks_before_helper, "mterp_dchecks_before_helper")
     #if !defined(NDEBUG)
-    call    SYMBOL(Mterp_dchecks_before_helper)
+    call    SYMBOL(mterp_dchecks_before_helper)
     #endif
 
 %def fallback():
@@ -750,9 +750,9 @@
     .text
 
 %def opcode_start():
-    ENTRY Mterp_${opcode}
+    ENTRY mterp_${opcode}
 %def opcode_end():
-    END Mterp_${opcode}
+    END mterp_${opcode}
 %def helper_start(name):
     ENTRY ${name}
 %def helper_end(name):