www/node: add armv6 support

PR:		209481
Submitted by:	mikael.urankar@gmail.com
Approved by:	bradleythughes@fastmail.fm (maintainer)

5 files changed, 128 insertions, 1 deletions

diff --git a/www/node/Makefile b/www/node/Makefile
index 681566cf2efd..87eced0eb2b1 100644
--- a/www/node/Makefile
+++ b/www/node/Makefile
@@ -20,7 +20,7 @@ USE_LDCONFIG=	yes
 
 CONFLICTS_INSTALL=	node4-* node-0.[02-9][0-9]* node-devel-0.[0-9]* node010-[0-9]* node012-[0-9]* iojs-[0-9]*
 
-ONLY_FOR_ARCHS=	i386 amd64
+ONLY_FOR_ARCHS=	i386 amd64 armv6
 CONFIGURE_ARGS=	--prefix=${PREFIX_RELDEST} --without-npm --shared-zlib
 PREFIX_RELDEST=	${PREFIX:S,^${DESTDIR},,}
 REINPLACE_ARGS=	-i ''
@@ -28,6 +28,10 @@ MAKE_ENV+=	CC.host=${CC} CXX.host=${CXX} LINK.host=${CXX} LINK.target=${CXX}
 
 .include <bsd.port.pre.mk>
 
+.if ${ARCH} == "armv6"
+CONFIGURE_ARGS=	--openssl-no-asm
+.endif
+
 .if ${COMPILER_TYPE} == clang
 MAKE_ENV+=	LINK=clang++
 CFLAGS+=	-Wno-unused-private-field
diff --git a/www/node/files/patch-deps_v8_src_arm_cpu-arm.cc b/www/node/files/patch-deps_v8_src_arm_cpu-arm.cc
new file mode 100644
index 000000000000..3ae7b8bfdc6e
--- /dev/null
+++ b/www/node/files/patch-deps_v8_src_arm_cpu-arm.cc
@@ -0,0 +1,22 @@
+--- deps/v8/src/arm/cpu-arm.cc.orig	2016-05-06 17:09:05.953032000 +0200
++++ deps/v8/src/arm/cpu-arm.cc	2016-05-06 17:10:42.094376000 +0200
+@@ -7,6 +7,9 @@
+ #ifdef __QNXNTO__
+ #include <sys/mman.h>  // for cache flushing.
+ #undef MAP_TYPE
++#elif defined(__FreeBSD__)
++#include <sys/types.h>
++#include <machine/sysarch.h> // for cache flushing.
+ #else
+ #include <sys/syscall.h>  // for cache flushing.
+ #endif
+@@ -24,6 +27,9 @@ void CpuFeatures::FlushICache(void* star
+ #if !defined(USE_SIMULATOR)
+ #if V8_OS_QNX
+   msync(start, size, MS_SYNC | MS_INVALIDATE_ICACHE);
++#elif defined(__FreeBSD__)
++  struct arm_sync_icache_args args = { .addr = (uintptr_t)start, .len = size };
++  sysarch(ARM_SYNC_ICACHE, (void *)&args);
+ #else
+   register uint32_t beg asm("r0") = reinterpret_cast<uint32_t>(start);
+   register uint32_t end asm("r1") = beg + size;
diff --git a/www/node/files/patch-deps_v8_src_base_atomicops_internals_arm_gcc.h b/www/node/files/patch-deps_v8_src_base_atomicops_internals_arm_gcc.h
new file mode 100644
index 000000000000..97d04a0c3569
--- /dev/null
+++ b/www/node/files/patch-deps_v8_src_base_atomicops_internals_arm_gcc.h
@@ -0,0 +1,35 @@
+--- deps/v8/src/base/atomicops_internals_arm_gcc.h.orig	2016-01-19 17:14:41 UTC
++++ deps/v8/src/base/atomicops_internals_arm_gcc.h
+@@ -13,6 +13,11 @@
+ #include <sys/cpuinline.h>
+ #endif
+ 
++#if defined(__FreeBSD__)
++#include <sys/types.h>
++#include <machine/sysarch.h>
++#endif
++
+ namespace v8 {
+ namespace base {
+ 
+@@ -48,6 +53,8 @@ inline void MemoryBarrier() {
+   // Note: This is a function call, which is also an implicit compiler barrier.
+   typedef void (*KernelMemoryBarrierFunc)();
+   ((KernelMemoryBarrierFunc)0xffff0fa0)();
++#elif defined(__FreeBSD__)
++  sysarch(ARM_DRAIN_WRITEBUF, (void *)0);
+ #elif defined(__QNXNTO__)
+   __cpu_membarrier();
+ #else
+@@ -63,8 +70,9 @@ inline void MemoryBarrier() {
+     defined(__ARM_ARCH_7__) || defined(__ARM_ARCH_7A__) ||  \
+     defined(__ARM_ARCH_7R__) || defined(__ARM_ARCH_7M__) || \
+     defined(__ARM_ARCH_6__) || defined(__ARM_ARCH_6J__) ||  \
+-    defined(__ARM_ARCH_6K__) || defined(__ARM_ARCH_6Z__) || \
+-    defined(__ARM_ARCH_6ZK__) || defined(__ARM_ARCH_6T2__)
++    defined(__ARM_ARCH_6K__) || defined(__ARM_ARCH_6KZ__) || \
++    defined(__ARM_ARCH_6Z__) || defined(__ARM_ARCH_6ZK__) || \
++    defined(__ARM_ARCH_6T2__)
+ 
+ inline Atomic32 NoBarrier_CompareAndSwap(volatile Atomic32* ptr,
+                                          Atomic32 old_value,
diff --git a/www/node/files/patch-deps_v8_src_base_platform_platform-freebsd.cc b/www/node/files/patch-deps_v8_src_base_platform_platform-freebsd.cc
new file mode 100644
index 000000000000..aad1b1005b5d
--- /dev/null
+++ b/www/node/files/patch-deps_v8_src_base_platform_platform-freebsd.cc
@@ -0,0 +1,51 @@
+--- deps/v8/src/base/platform/platform-freebsd.cc.orig	2016-01-19 17:19:28 UTC
++++ deps/v8/src/base/platform/platform-freebsd.cc
+@@ -36,6 +36,48 @@
+ namespace v8 {
+ namespace base {
+ 
++#ifdef __arm__
++
++bool OS::ArmUsingHardFloat() {
++  // GCC versions 4.6 and above define __ARM_PCS or __ARM_PCS_VFP to specify
++  // the Floating Point ABI used (PCS stands for Procedure Call Standard).
++  // We use these as well as a couple of other defines to statically determine
++  // what FP ABI used.
++  // GCC versions 4.4 and below don't support hard-fp.
++  // GCC versions 4.5 may support hard-fp without defining __ARM_PCS or
++  // __ARM_PCS_VFP.
++
++#define GCC_VERSION (__GNUC__ * 10000                                          \
++                     + __GNUC_MINOR__ * 100                                    \
++                     + __GNUC_PATCHLEVEL__)
++#if GCC_VERSION >= 40600
++#if defined(__ARM_PCS_VFP)
++  return true;
++#else
++  return false;
++#endif
++
++#elif GCC_VERSION < 40500
++  return false;
++
++#else
++#if defined(__ARM_PCS_VFP)
++  return true;
++#elif defined(__ARM_PCS) || defined(__SOFTFP__) || defined(__SOFTFP) || \
++      !defined(__VFP_FP__)
++  return false;
++#else
++#error "Your version of GCC does not report the FP ABI compiled for."          \
++       "Please report it on this issue"                                        \
++       "http://code.google.com/p/v8/issues/detail?id=2140"
++
++#endif
++#endif
++#undef GCC_VERSION
++}
++
++#endif  // def __arm__
++
+ 
+ const char* OS::LocalTimezone(double time, TimezoneCache* cache) {
+   if (std::isnan(time)) return "";
diff --git a/www/node/files/patch-deps_v8_src_profiler_sampler.cc b/www/node/files/patch-deps_v8_src_profiler_sampler.cc
new file mode 100644
index 000000000000..dc300f5dfd5d
--- /dev/null
+++ b/www/node/files/patch-deps_v8_src_profiler_sampler.cc
@@ -0,0 +1,15 @@
+--- ./deps/v8/src/profiler/sampler.cc.orig	2016-05-06 11:58:26 UTC
++++ ./deps/v8/src/profiler/sampler.cc
+@@ -515,9 +515,9 @@ void SignalHandler::HandleProfilerSignal
+   state.sp = reinterpret_cast<Address>(mcontext.mc_rsp);
+   state.fp = reinterpret_cast<Address>(mcontext.mc_rbp);
+ #elif V8_HOST_ARCH_ARM
+-  state.pc = reinterpret_cast<Address>(mcontext.mc_r15);
+-  state.sp = reinterpret_cast<Address>(mcontext.mc_r13);
+-  state.fp = reinterpret_cast<Address>(mcontext.mc_r11);
++  state.pc = reinterpret_cast<Address>(mcontext.__gregs[_REG_PC]);
++  state.sp = reinterpret_cast<Address>(mcontext.__gregs[_REG_SP]);
++  state.fp = reinterpret_cast<Address>(mcontext.__gregs[_REG_FP]);
+ #endif  // V8_HOST_ARCH_*
+ #elif V8_OS_NETBSD
+ #if V8_HOST_ARCH_IA32