Merge pull request #11020 from jefferyto/golang-updates

golang: More updates

lang/golang/golang-package.mk

@@ -120,6 +120,14 @@ GO_PKG_BUILD_BIN_DIR:=$(GO_PKG_BUILD_DIR)/bin$(if $(GO_HOST_TARGET_DIFFERENT),/$
 
 GO_PKG_BUILD_DEPENDS_SRC:=$(STAGING_DIR)$(GO_PKG_PATH)/src
 
+ifeq ($(CONFIG_PKG_ASLR_PIE),y)
+  ifeq ($(strip $(PKG_ASLR_PIE)),1)
+    ifeq ($(GO_TARGET_PIE_SUPPORTED),1)
+      GO_PKG_ENABLE_PIE:=1
+    endif
+  endif
+endif
+
 # sstrip causes corrupted section header size
 ifneq ($(CONFIG_USE_SSTRIP),)
   ifneq ($(CONFIG_DEBUG),)
@@ -281,6 +289,7 @@ define GoPackage/Build/Compile
 				pkg_ldflags="$$$$pkg_ldflags -X $$$$def" ; \
 			done ; \
 			go install \
+				$(if $(GO_PKG_ENABLE_PIE),-buildmode pie) \
 				$$$${installsuffix:+-installsuffix $$$$installsuffix} \
 				-trimpath \
 				-ldflags "all=$$$$ldflags" \

lang/golang/golang-values.mk

@@ -155,9 +155,31 @@ ifeq ($(GO_ARCH),386)
   GO_CFLAGS_TO_REMOVE:=-fno-plt
 
 else ifeq ($(GO_ARCH),arm)
-  ifeq ($(CONFIG_arm_v7),y)
+  GO_TARGET_FPU:=$(word 2,$(subst +,$(space),$(call qstrip,$(CONFIG_CPU_TYPE))))
+
+  # FPU names from https://gcc.gnu.org/onlinedocs/gcc-8.3.0/gcc/ARM-Options.html#index-mfpu-1
+  # see also https://github.com/gcc-mirror/gcc/blob/gcc-8_3_0-release/gcc/config/arm/arm-cpus.in
+  #
+  # Assumptions:
+  #
+  # * -d16 variants (16 instead of 32 double-precision registers) acceptable
+  #   Go doesn't appear to check the HWCAP_VFPv3D16 flag in
+  #   https://github.com/golang/go/blob/release-branch.go1.13/src/runtime/os_linux_arm.go
+  #
+  # * Double-precision required
+  #   Based on no evidence(!)
+  #   Excludes vfpv3xd, vfpv3xd-fp16, fpv4-sp-d16, fpv5-sp-d16
+
+  GO_ARM_7_FPUS:= \
+    vfpv3 vfpv3-fp16 vfpv3-d16 vfpv3-d16-fp16 neon neon-vfpv3 neon-fp16 \
+    vfpv4 vfpv4-d16 neon-vfpv4 \
+    fpv5-d16 fp-armv8 neon-fp-armv8 crypto-neon-fp-armv8
+
+  GO_ARM_6_FPUS:=vfp vfpv2
+
+  ifneq ($(filter $(GO_TARGET_FPU),$(GO_ARM_7_FPUS)),)
     GO_ARM:=7
-  else ifeq ($(CONFIG_arm_v6),y)
+  else ifneq ($(filter $(GO_TARGET_FPU),$(GO_ARM_6_FPUS)),)
     GO_ARM:=6
   else
     GO_ARM:=5

lang/golang/golang-version.mk

@@ -11,4 +11,4 @@ endif
 
 
 GO_VERSION_MAJOR_MINOR:=1.13
-GO_VERSION_PATCH:=5
+GO_VERSION_PATCH:=6

lang/golang/golang/Makefile

@@ -10,7 +10,7 @@ include ../golang-version.mk
 
 PKG_NAME:=golang
 PKG_VERSION:=$(GO_VERSION_MAJOR_MINOR)$(if $(GO_VERSION_PATCH),.$(GO_VERSION_PATCH))
-PKG_RELEASE:=2
+PKG_RELEASE:=1
 
 GO_SOURCE_URLS:=https://dl.google.com/go/ \
                 https://mirrors.ustc.edu.cn/golang/ \
@@ -18,7 +18,7 @@ GO_SOURCE_URLS:=https://dl.google.com/go/ \
 
 PKG_SOURCE:=go$(PKG_VERSION).src.tar.gz
 PKG_SOURCE_URL:=$(GO_SOURCE_URLS)
-PKG_HASH:=27d356e2a0b30d9983b60a788cf225da5f914066b37a6b4f69d457ba55a626ff
+PKG_HASH:=aae5be954bdc40bcf8006eb77e8d8a5dde412722bc8effcdaf9772620d06420c
 
 PKG_LICENSE:=BSD-3-Clause
 PKG_LICENSE_FILES:=LICENSE