[ox/std] Add missing ARM7TDMI functions, some are just stubs for now

deps/ox/src/ox/std/CMakeLists.txt

@@ -1,9 +1,11 @@
 add_library(
 	OxStd
+		arith.cpp
 		assert.cpp
 		buildinfo.cpp
 		byteswap.cpp
 		memops.cpp
+		new.cpp
 		random.cpp
 		stacktrace.cpp
 		strops.cpp
@@ -25,6 +27,7 @@ install(
 		byteswap.hpp
 		defines.hpp
 		error.hpp
+		hardware.hpp
 		hashmap.hpp
 		math.hpp
 		memops.hpp

deps/ox/src/ox/std/arith.cpp

@@ -0,0 +1,44 @@
+/*
+ * Copyright 2015 - 2018 gtalent2@gmail.com
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+#include "hardware.hpp"
+
+// these provide software implementations of arithmetic operators expected by
+// the compiler on older processors
+
+#if !OX_HW_DIV
+
+extern "C" {
+
+unsigned __aeabi_uldivmod(unsigned, unsigned) {
+	return 0;
+}
+
+unsigned __aeabi_uidiv(unsigned, unsigned) {
+	return 0;
+}
+
+unsigned __aeabi_uimod(unsigned, unsigned) {
+	return 0;
+}
+
+unsigned __aeabi_uidivmod(unsigned, unsigned) {
+	return 0;
+}
+
+signed __aeabi_idiv(signed, signed) {
+	return 0;
+}
+
+signed __aeabi_imod(signed, signed) {
+	return 0;
+}
+
+}
+
+#endif

deps/ox/src/ox/std/hardware.hpp

@@ -0,0 +1,28 @@
+/*
+ * Copyright 2015 - 2018 gtalent2@gmail.com
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+#pragma once
+
+#if defined(__arm__)
+
+#if defined(__ARM_ARCH_7A__) || defined(__ARM_ARCH_7R__) || defined(__ARM_ARCH_7M__)
+#define OX_HW_DIV 1
+#else
+#define OX_HW_DIV 0
+#endif
+
+#elif defined(__i386__) || defined(__x86_64__) || defined(__aarch64__)
+
+#define OX_HW_DIV 1
+
+#else
+
+#warn "Undefined hardware"
+
+#endif
+

deps/ox/src/ox/std/memops.cpp

@@ -7,6 +7,23 @@
  */
 
 #include "types.hpp"
+#include "memops.hpp"
+
+#ifndef OX_USE_STDLIB
+
+extern "C" {
+
+void *memcpy(void *dest, const void *src, std::size_t size) {
+	return ox_memcpy(dest, src, size);
+}
+
+void *memset(void *ptr, int val, std::size_t size) {
+	return ox_memset(ptr, val, size);
+}
+
+}
+
+#endif
 
 int ox_memcmp(const void *ptr1, const void *ptr2, std::size_t size) noexcept {
 	int retval = 0;

deps/ox/src/ox/std/memops.hpp

@@ -5,6 +5,7 @@
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
  */
+
 #pragma once
 
 #include "types.hpp"

deps/ox/src/ox/std/new.cpp

@@ -0,0 +1,21 @@
+/*
+ * Copyright 2015 - 2018 gtalent2@gmail.com
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+#ifndef OX_USE_STDLIB
+
+#include "types.hpp"
+
+void *operator new(std::size_t, void *addr) {
+	return addr;
+}
+
+void *operator new[](std::size_t, void *addr) {
+	return addr;
+}
+
+#endif

deps/ox/src/ox/std/new.hpp

@@ -22,7 +22,7 @@
 #endif
 
 
-void *operator new(std::size_t, void*) noexcept;
+void *operator new(std::size_t, void*);
 
 
 /**

deps/ox/src/ox/std/std.hpp

@@ -12,6 +12,7 @@
 #include "bitops.hpp"
 #include "byteswap.hpp"
 #include "error.hpp"
+#include "hardware.hpp"
 #include "hashmap.hpp"
 #include "math.hpp"
 #include "memops.hpp"