build changes for Windows arm32

Paul Monson · Paul Monson · commit 93d10d77ba57 · 2019-03-05T17:00:29.000-08:00
diff --git a/Makefile.am b/Makefile.am
@@ -82,6 +82,7 @@ EXTRA_libffi_la_SOURCES = \
 	src/alpha/ffi.c src/alpha/osf.S					\
 	src/arc/ffi.c src/arc/arcompact.S				\
 	src/arm/ffi.c src/arm/sysv.S					\
+	src/arm/sysv_msvc_arm32.S						\
 	src/avr32/ffi.c src/avr32/sysv.S				\
 	src/bfin/ffi.c src/bfin/sysv.S					\
 	src/cris/ffi.c src/cris/sysv.S					\
diff --git a/README.md b/README.md
@@ -191,13 +191,16 @@ History
 
 See the git log for details at http://github.com/libffi/libffi.
 
-    3.3 TBD
+    3.4 TBD
         Add RISC-V support.
         New API in support of GO closures.
         Default to Microsoft's 64 bit long double ABI with Visual C++.
           GNU compiler uses 80 bits (128 in memory) FFI_GNUW64 ABI.
 	Many new tests cases and bug fixes.
     
+    3.3 Mar-05-19
+        Add Windows 32-bit arm support.
+        
     3.2.1 Nov-12-14
         Build fix for non-iOS AArch64 targets.
     
diff --git a/msvcc.sh b/msvcc.sh
@@ -60,7 +60,7 @@ do
   case $1
   in
     --verbose)
-      $verbose=1
+      verbose=1
       shift 1
     ;;
     --version)
@@ -80,6 +80,11 @@ do
       safeseh=
       shift 1
     ;;
+    -marm)
+      ml='armasm'
+      safeseh=
+      shift 1
+    ;;
     -clang-cl)
       cl="clang-cl"
       shift 1
@@ -237,6 +242,7 @@ do
       else
         output="-Fe$2"
       fi
+      armasm_output="-o $2"
       if [ -n "$assembly" ]; then
         args="$args $output"
       else
@@ -289,13 +295,21 @@ if [ -n "$assembly" ]; then
     fi
     ppsrc="$outdir/$(basename $src|sed 's/.S$/.asm/g')"
 
+    if [ $ml = "armasm" ]; then
+      defines="$defines -D_M_ARM"
+    fi
+
     if test -n "$verbose"; then
       echo "$cl -nologo -EP $includes $defines $src > $ppsrc"
     fi
 
     "$cl" -nologo -EP $includes $defines $src > $ppsrc || exit $?
     output="$(echo $output | sed 's%/F[dpa][^ ]*%%g')"
-    args="-nologo $safeseh $single $output $ppsrc"
+    if [ $ml = "armasm" ]; then
+      args="-nologo -g -oldit $armasm_output $ppsrc -errorReport:prompt"
+    else
+      args="-nologo $safeseh $single $output $ppsrc"
+    fi
 
     if test -n "$verbose"; then
       echo "$ml $args"
diff --git a/src/arm/ffitarget.h b/src/arm/ffitarget.h
@@ -57,7 +57,9 @@ typedef enum ffi_abi {
   signed char vfp_args[16]			\
 
 #define FFI_TARGET_SPECIFIC_VARIADIC
+#ifndef _M_ARM
 #define FFI_TARGET_HAS_COMPLEX_TYPE
+#endif
 
 /* ---- Definitions for closures ----------------------------------------- */
 
