public: build: add ARMv8 32-bit support, in case of someone actually uses it

engine/common/build.c

@@ -115,11 +115,13 @@ const char *Q_buildarch( void )
 	archname = "amd64";
 #elif XASH_X86
 	archname = "i386";
-#elif XASH_ARM64
+#elif XASH_ARM && XASH_64BIT
 	archname = "arm64";
 #elif XASH_ARM
 	archname = "armv"
-	#if XASH_ARM == 7
+	#if XASH_ARM == 8
+		"8_32" // for those who (mis)using 32-bit OS on 64-bit CPU
+	#elif XASH_ARM == 7
 		"7"
 	#elif XASH_ARM == 6
 		"6"

engine/common/crashhandler.c

@@ -336,7 +336,7 @@ static void Sys_Crash( int signal, siginfo_t *si, void *context)
 		bp = (void**)ucontext->uc_mcontext.gregs[REG_EBP];
 		sp = (void**)ucontext->uc_mcontext.gregs[REG_ESP];
 	#endif
-#elif XASH_ARM64
+#elif XASH_ARM && XASH_64BIT
 	pc = (void*)ucontext->uc_mcontext.pc;
 	bp = (void*)ucontext->uc_mcontext.regs[29];
 	sp = (void*)ucontext->uc_mcontext.sp;

public/build.h

@@ -45,13 +45,13 @@ For more information, please refer to <http://unlicense.org/>
 #undef XASH_ANDROID
 #undef XASH_APPLE
 #undef XASH_ARM
-#undef XASH_ARM64
 #undef XASH_ARM_HARDFP
 #undef XASH_ARM_SOFTFP
 #undef XASH_ARMv4
 #undef XASH_ARMv5
 #undef XASH_ARMv6
 #undef XASH_ARMv7
+#undef XASH_ARMv8
 //#undef XASH_BIG_ENDIAN
 #undef XASH_BSD
 #undef XASH_E2K
@@ -169,14 +169,13 @@ For more information, please refer to <http://unlicense.org/>
 	#define XASH_AMD64 1
 #elif defined(__i386__) || defined(_X86_) || defined(_M_IX86)
 	#define XASH_X86 1
-#elif defined __aarch64__
+#elif defined __aarch64__ || defined _M_ARM64
 	#define XASH_64BIT 1
-	#define XASH_ARM64 1
+	#define XASH_ARM 8
 #elif defined __arm__ || defined _M_ARM
-	#if defined _M_ARM
+	#if __ARM_ARCH == 8 || __ARM_ARCH_8__
-		// msvc can only armv7 ?
+		#define XASH_ARM 8
-		#define XASH_ARM 7
+	#elif __ARM_ARCH == 7 || __ARM_ARCH_7__ || defined _M_ARM // msvc can only armv7 in 32 bit
-	#elif __ARM_ARCH == 7 || __ARM_ARCH_7__
 		#define XASH_ARM 7
 	#elif __ARM_ARCH == 6 || __ARM_ARCH_6__ || __ARM_ARCH_6J__
 		#define XASH_ARM 6
@@ -212,7 +211,9 @@ For more information, please refer to <http://unlicense.org/>
 	#define XASH_64BIT 1
 #endif
 
-#if XASH_ARM == 7
+#if XASH_ARM == 8
+	#define XASH_ARMv8 1
+#elif XASH_ARM == 7
 	#define XASH_ARMv7 1
 #elif XASH_ARM == 6
 	#define XASH_ARMv6 1