Add big endian base library variants for aarch64 R Target with strictly aligned. (#68)

Author: simpal01

arm-software/embedded/arm-multilib/json/multilib.json

@@ -64,6 +64,16 @@
             "json": "aarch64r_unaligned.json",
             "flags": "--target=aarch64-unknown-none-elf -march=armv8-r -fno-exceptions -fno-rtti"
         },
+        {
+            "variant": "aarch64r_be_exn_rtti",
+            "json": "aarch64r_be_exn_rtti.json",
+            "flags": "--target=aarch64_be-unknown-none-elf -march=armv8-r"
+        },
+        {
+            "variant": "aarch64r_be",
+            "json": "aarch64r_be.json",
+            "flags": "--target=aarch64_be-unknown-none-elf -march=armv8-r -fno-exceptions -fno-rtti"
+        },
         {
             "variant": "aarch64r_exn_rtti",
             "json": "aarch64r_exn_rtti.json",

arm-software/embedded/arm-multilib/json/variants/aarch64r_be.json

@@ -0,0 +1,40 @@
+{
+    "args": {
+        "common": {
+            "TARGET_ARCH": "aarch64r",
+            "VARIANT": "aarch64r_be",
+            "COMPILE_FLAGS": "-march=armv8-r -mbig-endian -mno-unaligned-access",
+            "ENABLE_EXCEPTIONS": "OFF",
+            "ENABLE_RTTI": "OFF",
+            "TEST_EXECUTOR": "fvp",
+            "FVP_MODEL": "aem-r",
+            "FVP_CONFIG": "v8r-aarch64 big-endian",
+            "BOOT_FLASH_ADDRESS": "0x0",
+            "BOOT_FLASH_SIZE": "0x1000",
+            "FLASH_ADDRESS": "0x1000",
+            "FLASH_SIZE": "0xfff000",
+            "RAM_ADDRESS": "0x1000000",
+            "RAM_SIZE": "0x1000000",
+            "STACK_SIZE": "8K"
+        },
+        "picolibc": {
+            "PICOLIBC_BUILD_TYPE": "release",
+            "ENABLE_CXX_LIBS": "ON",
+            "ENABLE_LIBC_TESTS": "ON",
+            "ENABLE_COMPILER_RT_TESTS": "OFF",
+            "ENABLE_LIBCXX_TESTS": "OFF"
+        },
+        "newlib": {
+            "ENABLE_CXX_LIBS": "ON",
+            "ENABLE_LIBC_TESTS": "OFF",
+            "ENABLE_COMPILER_RT_TESTS": "OFF",
+            "ENABLE_LIBCXX_TESTS": "OFF"
+        },
+        "llvmlibc": {
+            "ENABLE_CXX_LIBS": "OFF",
+            "ENABLE_LIBC_TESTS": "OFF",
+            "ENABLE_COMPILER_RT_TESTS": "OFF",
+            "ENABLE_LIBCXX_TESTS": "OFF"
+        }
+    }
+}

arm-software/embedded/arm-multilib/json/variants/aarch64r_be_exn_rtti.json

@@ -0,0 +1,40 @@
+{
+    "args": {
+        "common": {
+            "TARGET_ARCH": "aarch64r",
+            "VARIANT": "aarch64r_be_exn_rtti",
+            "COMPILE_FLAGS": "-march=armv8-r -mbig-endian -mno-unaligned-access",
+            "ENABLE_EXCEPTIONS": "ON",
+            "ENABLE_RTTI": "ON",
+            "TEST_EXECUTOR": "fvp",
+            "FVP_MODEL": "aem-r",
+            "FVP_CONFIG": "v8r-aarch64 big-endian",
+            "BOOT_FLASH_ADDRESS": "0x0",
+            "BOOT_FLASH_SIZE": "0x1000",
+            "FLASH_ADDRESS": "0x1000",
+            "FLASH_SIZE": "0xfff000",
+            "RAM_ADDRESS": "0x1000000",
+            "RAM_SIZE": "0x1000000",
+            "STACK_SIZE": "8K"
+        },
+        "picolibc": {
+            "PICOLIBC_BUILD_TYPE": "release",
+            "ENABLE_CXX_LIBS": "ON",
+            "ENABLE_LIBC_TESTS": "ON",
+            "ENABLE_COMPILER_RT_TESTS": "OFF",
+            "ENABLE_LIBCXX_TESTS": "OFF"
+        },
+        "newlib": {
+            "ENABLE_CXX_LIBS": "ON",
+            "ENABLE_LIBC_TESTS": "OFF",
+            "ENABLE_COMPILER_RT_TESTS": "OFF",
+            "ENABLE_LIBCXX_TESTS": "OFF"
+        },
+        "llvmlibc": {
+            "ENABLE_CXX_LIBS": "OFF",
+            "ENABLE_LIBC_TESTS": "OFF",
+            "ENABLE_COMPILER_RT_TESTS": "OFF",
+            "ENABLE_LIBCXX_TESTS": "OFF"
+        }
+    }
+}

arm-software/embedded/test/multilib/aarch64.test

@@ -107,3 +107,19 @@
 
 # AARCH64-BE: aarch64-none-elf/aarch64a_be{{$}}
 # AARCH64-BE-EMPTY:
+
+# RUN: %clang -print-multi-directory --target=aarch64-none-elf -march=armv8-r -mbig-endian | FileCheck %s --check-prefix=AARCH64R-BE-EXNRTTI
+# RUN: %clang -print-multi-directory --target=aarch64-none-elf -mcpu=cortex-r82 -mbig-endian | FileCheck %s --check-prefix=AARCH64R-BE-EXNRTTI
+# RUN: %clang -print-multi-directory --target=aarch64-none-elf -march=armv8-r -mbig-endian -mno-unaligned-access | FileCheck %s --check-prefix=AARCH64R-BE-EXNRTTI
+# RUN: %clang -print-multi-directory --target=aarch64-none-elf -mcpu=cortex-r82 -mbig-endian -mno-unaligned-access | FileCheck %s --check-prefix=AARCH64R-BE-EXNRTTI
+
+# AARCH64R-BE-EXNRTTI: aarch64-none-elf/aarch64r_be_exn_rtti{{$}}
+# AARCH64R-BE-EXNRTTI-EMPTY:
+
+# RUN: %clang -print-multi-directory --target=aarch64-none-elf -march=armv8-r -mbig-endian -fno-exceptions -fno-rtti | FileCheck %s --check-prefix=AARCH64R-BE
+# RUN: %clang -print-multi-directory --target=aarch64-none-elf -mcpu=cortex-r82 -mbig-endian -fno-exceptions -fno-rtti | FileCheck %s --check-prefix=AARCH64R-BE
+# RUN: %clang -print-multi-directory --target=aarch64-none-elf -march=armv8-r -mbig-endian -fno-exceptions -fno-rtti -mno-unaligned-access| FileCheck %s --check-prefix=AARCH64R-BE
+# RUN: %clang -print-multi-directory --target=aarch64-none-elf -mcpu=cortex-r82 -mbig-endian -fno-exceptions -fno-rtti -mno-unaligned-access | FileCheck %s --check-prefix=AARCH64R-BE
+
+# AARCH64R-BE: aarch64-none-elf/aarch64r_be{{$}}
+# AARCH64R-BE-EMPTY: