S390: Initial impl of S390 asm, masm, code-stubs,...

BUILD.gn

Index: BUILD.gn
diff --git a/BUILD.gn b/BUILD.gn
index 2b0b32a925289d352924280b1c837fdc09af832b..1609ce2d334ca8bf0963c78fdcb59f911b7db18e 100644
--- a/BUILD.gn
+++ b/BUILD.gn
@@ -1621,6 +1621,29 @@ source_set("v8_base") {
       "src/regexp/mips64/regexp-macro-assembler-mips64.cc",
       "src/regexp/mips64/regexp-macro-assembler-mips64.h",
     ]
+  } else if (v8_target_arch == "s390" || v8_target_arch == "s390x") {
+    sources += [
+      "src/s390/assembler-s390-inl.h",
+      "src/s390/assembler-s390.cc",
+      "src/s390/assembler-s390.h",
+      "src/s390/builtins-s390.cc",
+      "src/s390/code-stubs-s390.cc",
+      "src/s390/code-stubs-s390.h",
+      "src/s390/codegen-s390.cc",
+      "src/s390/codegen-s390.h",
+      "src/s390/constants-s390.cc",
+      "src/s390/constants-s390.h",
+      "src/s390/cpu-s390.cc",
+      "src/s390/deoptimizer-s390.cc",
+      "src/s390/disasm-s390.cc",
+      "src/s390/frames-s390.cc",
+      "src/s390/frames-s390.h",
+      "src/s390/interface-descriptors-s390.cc",
+      "src/s390/macro-assembler-s390.cc",
+      "src/s390/macro-assembler-s390.h",
+      "src/s390/simulator-s390.cc",
+      "src/s390/simulator-s390.h",
+    ]
   }
 
   configs -= [ "//build/config/compiler:chromium_code" ]