For Issue #3785 Arm Soft FP support: arguments and return values are passed in integer registers for arm-softfp architecture.

4 files changed, 161 insertions, 3 deletions

diff --git a/cross/arm-softfp/sources.list b/cross/arm-softfp/sources.list
new file mode 100644
index 0000000000..4d142ac9b1
--- /dev/null
+++ b/cross/arm-softfp/sources.list
@@ -0,0 +1,3 @@
+# Debian (sid)   # UNSTABLE
+deb http://ftp.debian.org/debian/ sid main contrib non-free
+deb-src http://ftp.debian.org/debian/ sid main contrib non-free
diff --git a/cross/arm-softfp/toolchain.cmake b/cross/arm-softfp/toolchain.cmake
new file mode 100644
index 0000000000..9c8ca3e914
--- /dev/null
+++ b/cross/arm-softfp/toolchain.cmake
@@ -0,0 +1,28 @@
+set(CROSS_ROOTFS $ENV{ROOTFS_DIR})
+
+set(CMAKE_SYSTEM_NAME Linux)
+set(CMAKE_SYSTEM_VERSION 1)
+set(CMAKE_SYSTEM_PROCESSOR armv7l)
+
+add_compile_options(-target armv7-linux-gnueabi)
+add_compile_options(-mthumb)
+add_compile_options(-mfpu=vfpv3)
+add_compile_options(--sysroot=${CROSS_ROOTFS})
+
+set(CROSS_LINK_FLAGS "${CROSS_LINK_FLAGS} -target arm-linux-gnueabi")
+set(CROSS_LINK_FLAGS "${CROSS_LINK_FLAGS} -B${CROSS_ROOTFS}/usr/lib/arm-linux-gnueabi")
+set(CROSS_LINK_FLAGS "${CROSS_LINK_FLAGS} -L${CROSS_ROOTFS}/lib/arm-linux-gnueabi -L${CROSS_ROOTFS}/usr/lib/arm-linux-gnueabi")
+set(CROSS_LINK_FLAGS "${CROSS_LINK_FLAGS} --sysroot=${CROSS_ROOTFS}")
+
+set(CMAKE_EXE_LINKER_FLAGS    "${CMAKE_EXE_LINKER_FLAGS}    ${CROSS_LINK_FLAGS}" CACHE STRING "" FORCE)
+set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} ${CROSS_LINK_FLAGS}" CACHE STRING "" FORCE)
+set(CMAKE_MODULE_LINKER_FLAGS "${CMAKE_MODULE_LINKER_FLAGS} ${CROSS_LINK_FLAGS}" CACHE STRING "" FORCE)
+
+set(CMAKE_FIND_ROOT_PATH "${CROSS_ROOTFS}")
+set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
+set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
+set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
+set(CMAKE_FIND_ROOT_PATH_MODE_PACKAGE ONLY)
+
+set(WITH_LLDB_LIBS "${CROSS_ROOTFS}/usr/lib/arm-linux-gnueabi" CACHE STRING "")
+set(WITH_LLDB_INCLUDES "${CROSS_ROOTFS}/usr/lib/llvm-3.6/include" CACHE STRING "")
diff --git a/cross/arm-softfp/tryrun.cmake b/cross/arm-softfp/tryrun.cmake
new file mode 100644
index 0000000000..5994e08394
--- /dev/null
+++ b/cross/arm-softfp/tryrun.cmake
@@ -0,0 +1,116 @@
+SET( REALPATH_SUPPORTS_NONEXISTENT_FILES_EXITCODE 
+     1
+     CACHE STRING "Result from TRY_RUN" FORCE)
+
+SET( SSCANF_SUPPORT_ll_EXITCODE 
+     0
+     CACHE STRING "Result from TRY_RUN" FORCE)
+
+SET( SSCANF_CANNOT_HANDLE_MISSING_EXPONENT_EXITCODE 
+     1
+     CACHE STRING "Result from TRY_RUN" FORCE)
+
+SET( HAVE_LARGE_SNPRINTF_SUPPORT_EXITCODE 
+     0
+     CACHE STRING "Result from TRY_RUN" FORCE)
+
+SET( HAVE_SCHED_GET_PRIORITY_EXITCODE 
+     0
+     CACHE STRING "Result from TRY_RUN" FORCE)
+
+SET( HAVE_WORKING_GETTIMEOFDAY_EXITCODE 
+     0
+     CACHE STRING "Result from TRY_RUN" FORCE)
+
+SET( HAVE_WORKING_CLOCK_GETTIME_EXITCODE 
+     0
+     CACHE STRING "Result from TRY_RUN" FORCE)
+
+SET( HAVE_CLOCK_MONOTONIC_EXITCODE 
+     0
+     CACHE STRING "Result from TRY_RUN" FORCE)
+
+SET( HAVE_MMAP_DEV_ZERO_EXITCODE 
+     0
+     CACHE STRING "Result from TRY_RUN" FORCE)
+
+SET( MMAP_IGNORES_HINT_EXITCODE 
+     1
+     CACHE STRING "Result from TRY_RUN" FORCE)
+
+SET( MMAP_DOESNOT_ALLOW_REMAP_EXITCODE 
+     1
+     CACHE STRING "Result from TRY_RUN" FORCE)
+
+SET( ONE_SHARED_MAPPING_PER_FILEREGION_PER_PROCESS_EXITCODE 
+     1
+     CACHE STRING "Result from TRY_RUN" FORCE)
+
+SET( PTHREAD_CREATE_MODIFIES_ERRNO_EXITCODE 
+     1
+     CACHE STRING "Result from TRY_RUN" FORCE)
+
+SET( SEM_INIT_MODIFIES_ERRNO_EXITCODE 
+     1
+     CACHE STRING "Result from TRY_RUN" FORCE)
+
+SET( HAVE_COMPATIBLE_ACOS_EXITCODE 
+     0
+     CACHE STRING "Result from TRY_RUN" FORCE)
+
+SET( HAVE_COMPATIBLE_ASIN_EXITCODE 
+     0
+     CACHE STRING "Result from TRY_RUN" FORCE)
+
+SET( HAVE_COMPATIBLE_POW_EXITCODE 
+     1
+     CACHE STRING "Result from TRY_RUN" FORCE)
+
+SET( HAVE_VALID_NEGATIVE_INF_POW_EXITCODE 
+     0
+     CACHE STRING "Result from TRY_RUN" FORCE)
+
+SET( HAVE_VALID_POSITIVE_INF_POW_EXITCODE 
+     0
+     CACHE STRING "Result from TRY_RUN" FORCE)
+
+SET( HAVE_COMPATIBLE_ATAN2_EXITCODE 
+     0
+     CACHE STRING "Result from TRY_RUN" FORCE)
+
+SET( HAVE_COMPATIBLE_LOG_EXITCODE 
+     0
+     CACHE STRING "Result from TRY_RUN" FORCE)
+
+SET( HAVE_COMPATIBLE_LOG10_EXITCODE 
+     0
+     CACHE STRING "Result from TRY_RUN" FORCE)
+
+SET( UNGETC_NOT_RETURN_EOF_EXITCODE 
+     0
+     CACHE STRING "Result from TRY_RUN" FORCE)
+
+SET( HAS_POSIX_SEMAPHORES_EXITCODE 
+     0
+     CACHE STRING "Result from TRY_RUN" FORCE)
+
+SET( GETPWUID_R_SETS_ERRNO_EXITCODE 
+     0
+     CACHE STRING "Result from TRY_RUN" FORCE)
+
+SET( FILE_OPS_CHECK_FERROR_OF_PREVIOUS_CALL_EXITCODE 
+     1
+     CACHE STRING "Result from TRY_RUN" FORCE)
+
+SET( HAVE_CLOCK_THREAD_CPUTIME_EXITCODE
+     0
+     CACHE STRING "Result from TRY_RUN" FORCE)
+
+SET( HAVE_SCHED_GETCPU_EXITCODE
+     0
+     CACHE STRING "Result from TRY_RUN" FORCE)
+
+SET( HAVE_CLOCK_MONOTONIC_COARSE_EXITCODE
+     0
+     CACHE STRING "Result from TRY_RUN" FORCE)
+
diff --git a/cross/build-rootfs.sh b/cross/build-rootfs.sh
index 78309f766a..6e563d27ca 100755
--- a/cross/build-rootfs.sh
+++ b/cross/build-rootfs.sh
@@ -3,11 +3,13 @@
 usage()
 {
     echo "Usage: $0 [BuildArch]"
-    echo "BuildArch can be: arm, arm64"
+    echo "BuildArch can be: arm, arm-softfp, arm64"
 
     exit 1
 }
 
+__UbuntuCodeName=trusty
+
 __CrossDir=$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )
 __InitialDir=$PWD
 __BuildArch=arm
@@ -38,6 +40,14 @@ for i in "$@"
         __UbuntuPackages="build-essential libunwind8-dev gettext symlinks liblttng-ust-dev libicu-dev"
         __MachineTriple=aarch64-linux-gnu
         ;;
+        arm-softfp)
+        __BuildArch=arm-softfp
+        __UbuntuArch=armel
+        __UbuntuRepo="http://ftp.debian.org/debian/"
+        __UbuntuPackages="build-essential lldb-3.6-dev libunwind8-dev gettext symlinks liblttng-ust-dev libicu-dev"
+        __MachineTriple=arm-linux-gnueabi
+        __UbuntuCodeName=stable
+        ;;
         *)
         __UnprocessedBuildArgs="$__UnprocessedBuildArgs $i"
     esac
@@ -51,9 +61,10 @@ fi
 
 umount $__RootfsDir/*
 rm -rf $__RootfsDir
-qemu-debootstrap --arch $__UbuntuArch trusty $__RootfsDir $__UbuntuRepo
+qemu-debootstrap --arch $__UbuntuArch $__UbuntuCodeName $__RootfsDir $__UbuntuRepo
 cp $__CrossDir/$__BuildArch/sources.list $__RootfsDir/etc/apt/sources.list
 chroot $__RootfsDir apt-get update
 chroot $__RootfsDir apt-get -y install $__UbuntuPackages
 chroot $__RootfsDir symlinks -cr /usr
-umount $__RootfsDir/*
\ No newline at end of file
+umount $__RootfsDir/*
+