Build fixes for NetBSD arm


(jmcneill)

$NetBSD: patch-Source_JavaScriptCore_assembler_ARMAssembler.h,v 1.1 2013/08/14 22:16:54 jmcneill Exp $

--- ./Source/JavaScriptCore/assembler/ARMAssembler.h.orig	2012-11-23 20:12:15.000000000 +0000
+++ ./Source/JavaScriptCore/assembler/ARMAssembler.h
@@ -27,6 +27,10 @@
 #ifndef ARMAssembler_h
 #define ARMAssembler_h
 
+#if OS(NETBSD)
+#include <machine/sysarch.h>
+#endif
+
 #if ENABLE(ASSEMBLER) && CPU(ARM_TRADITIONAL)
 
 #include "AssemblerBufferWithConstantPool.h"
@@ -1041,6 +1045,11 @@ namespace JSC {
             UNUSED_PARAM(size);
 #elif OS(QNX)
             msync(code, size, MS_INVALIDATE_ICACHE);
+#elif OS(NETBSD)
+            struct arm_sync_icache_args args;
+            args.addr = reinterpret_cast<uintptr_t>(code);
+            args.len = size;
+            sysarch(ARM_SYNC_ICACHE, &args);
 #else
 #error "The cacheFlush support is missing on this platform."
 #endif

$NetBSD: patch-Source_JavaScriptCore_assembler_MacroAssemblerARM.cpp,v 1.1 2013/08/14 22:16:54 jmcneill Exp $

--- Source/JavaScriptCore/assembler/MacroAssemblerARM.cpp.orig	2012-11-23 20:12:15.000000000 +0000
+++ Source/JavaScriptCore/assembler/MacroAssemblerARM.cpp
@@ -37,6 +37,8 @@
 #include <unistd.h>
 #include <elf.h>
 #include <asm/hwcap.h>
+#elif OS(NETBSD)
+#include <sys/sysctl.h>
 #endif
 
 namespace JSC {
@@ -57,6 +59,16 @@ static bool isVFPPresent()
     }
 #endif
 
+#if OS(NETBSD)
+    size_t len;
+    int flag;
+
+    len = sizeof(flag);
+    if (sysctlbyname("machdep.fpu_present", &flag, &len, NULL, 0) == 0) {
+        return flag == 1;
+    }
+#endif
+
 #if (COMPILER(RVCT) && defined(__TARGET_FPU_VFP)) || (COMPILER(GCC) && defined(__VFP_FP__))
     return true;
 #else

$NetBSD: patch-Source_JavaScriptCore_dfg_DFGNode.h,v 1.1 2013/08/14 22:16:54 jmcneill Exp $

--- Source/JavaScriptCore/dfg/DFGNode.h.orig	2012-11-23 20:12:15.000000000 +0000
+++ Source/JavaScriptCore/dfg/DFGNode.h
@@ -65,7 +65,7 @@ struct StructureTransitionData {
 struct OpInfo {
     explicit OpInfo(int32_t value) : m_value(static_cast<uintptr_t>(value)) { }
     explicit OpInfo(uint32_t value) : m_value(static_cast<uintptr_t>(value)) { }
-#if OS(DARWIN) || USE(JSVALUE64)
+#if OS(DARWIN) || (CPU(ARM) && OS(NETBSD)) || USE(JSVALUE64)
     explicit OpInfo(size_t value) : m_value(static_cast<uintptr_t>(value)) { }
 #endif
     explicit OpInfo(void* value) : m_value(reinterpret_cast<uintptr_t>(value)) { }

$NetBSD: patch-Source_WTF_wtf_Platform.h,v 1.1 2013/08/14 22:16:54 jmcneill Exp $

--- Source/WTF/wtf/Platform.h.orig	2012-11-23 20:12:16.000000000 +0000
+++ Source/WTF/wtf/Platform.h
@@ -484,6 +484,11 @@
 #define USE_SYSTEM_MALLOC 1
 #endif
 
+/* Workaround an alignment issue with fastMalloc on NetBSD/arm */
+#if OS(NETBSD) && CPU(ARM)
+#define USE_SYSTEM_MALLOC 1
+#endif
+
 #if PLATFORM(BLACKBERRY)
 #define WTF_USE_MERSENNE_TWISTER_19937 1
 #define WTF_USE_SKIA 1