From b743dadc04f87b72d040e3c93a1d5084491e9fb9 Mon Sep 17 00:00:00 2001
From: midipix <writeonce@midipix.org>
Date: Sat, 18 Nov 2017 21:46:46 +0000
Subject: project: added w32def.mk, w32def.sh (generation of .def source
 files).

---
 README                   |  4 +++
 project/common.mk        | 26 +++++++++++++++
 project/w32def/w32def.mk | 31 ++++++++++++++++++
 project/w32def/w32def.sh | 83 ++++++++++++++++++++++++++++++++++++++++++++++++
 4 files changed, 144 insertions(+)
 create mode 100644 project/w32def/w32def.mk
 create mode 100755 project/w32def/w32def.sh

diff --git a/README b/README
index 95c11bb..df4d75a 100644
--- a/README
+++ b/README
@@ -1 +1,5 @@
 w32lib: custom import libraries for OS user-space interfaces
+
+# manual generation of .def source files:
+# make -f project/w32def/w32def.mk W32_SYSDIR=/path/to/Windows/System32 w32def
+# adjust the value of W32_SYSDIR as needed.
diff --git a/project/common.mk b/project/common.mk
index 4b72987..f3d101a 100644
--- a/project/common.mk
+++ b/project/common.mk
@@ -5,3 +5,29 @@ INTERNAL_SRCS = \
 APP_SRCS = \
 
 COMMON_SRCS = $(API_SRCS) $(INTERNAL_SRCS)
+
+
+# list of underlying .dll's and .drv's
+W32DLL = \
+	advapi32.dll \
+	comctl32.dll \
+	comdlg32.dll \
+	gdi32.dll \
+	kernel32.dll \
+	imm32.dll \
+	ole32.dll \
+	shell32.dll \
+	user32.dll \
+	usp10.dll \
+	winmm.dll \
+
+W32DRV = \
+	winspool.drv
+
+# cross-compilation support
+W32FAKE		+= $(W32DLL:%.dll=$(SOURCE_DIR)/fake/%.dll)
+W32FAKE		+= $(W32DRV:%.drv=$(SOURCE_DIR)/fake/%.drv)
+
+# list of manually generated .def files
+W32DEF		+= $(W32DLL:%.dll=$(SOURCE_DIR)/def/%.def)
+W32DEF		+= $(W32DRV:%.drv=$(SOURCE_DIR)/def/%.def)
diff --git a/project/w32def/w32def.mk b/project/w32def/w32def.mk
new file mode 100644
index 0000000..b007064
--- /dev/null
+++ b/project/w32def/w32def.mk
@@ -0,0 +1,31 @@
+PERK		?= perk
+W32_SYSDIR	?= /dev/null
+PROJECT_DIR	?= .
+SOURCE_DIR	?= .
+
+include $(PROJECT_DIR)/project/common.mk
+
+fake/%.dll:
+		touch $@
+
+fake/%.drv:
+		touch $@
+
+config.project: $(W32FAKE)
+
+$(SOURCE_DIR)/def/kernel32.def:	APIS_WITH_CAPS = -c
+
+$(SOURCE_DIR)/def/%.def:	$(W32_SYSDIR)/%.dll
+				$(PROJECT_DIR)/project/w32def/w32def.sh -p $(PERK) -l $< -o $@ $(APIS_WITH_CAPS)
+
+$(SOURCE_DIR)/def/%.def:	$(W32_SYSDIR)/%.drv
+				$(PROJECT_DIR)/project/w32def/w32def.sh -p $(PERK) -l $< -o $@ $(APIS_WITH_CAPS)
+
+w32def:				config.project $(W32DEF)
+
+w32def-clean:
+				rm -f $(W32DEF)
+				rm -f $(W32FAKE)
+
+.PHONY:				w32def
+.PHONY:				w32def-clean
diff --git a/project/w32def/w32def.sh b/project/w32def/w32def.sh
new file mode 100755
index 0000000..3fca7c3
--- /dev/null
+++ b/project/w32def/w32def.sh
@@ -0,0 +1,83 @@
+#!/bin/sh
+
+usage()
+{
+cat << EOF >&2
+
+Usage:
+  -h            show this HELP message
+  -p  PERK      set pe parser utility
+  -o  OUTPUT    set output file name
+  -l  SYSLIB    set system library from which to extract symbols
+
+EOF
+exit 1
+}
+
+
+# one
+perk=
+caps=
+
+workdir=$(pwd)
+output=
+syslib=
+
+
+while getopts "hp:o:l:c" opt; do
+	case $opt in
+	h)
+  		usage
+		;;
+	p)
+    		perk="$OPTARG"
+		;;
+	o)
+    		output="$OPTARG"
+		;;
+	l)
+    		syslib="$OPTARG"
+		;;
+	c)
+		caps='yes'
+		;;
+	\?)
+    		printf "$0: Invalid option: -%s" "$OPTARG" >&2
+    		usage
+		;;
+	esac
+done
+
+
+# two
+if [ -z "$perk" ] || [ -z "$output" ] || [ -z "$syslib" ]; then
+	usage
+fi
+
+tmpdef=`mktemp`
+
+if [ -z "$tmpdef" ]; then
+	printf "$0: Failed to create a temporary file!" >&2
+	exit 1
+fi
+
+# three
+if [ -z "$caps" ]; then
+	"$perk" -e "$syslib"                   > "$tmpdef" || exit 1
+else
+	"$perk" -e "$syslib" | grep -e '[A-Z]' > "$tmpdef" || exit 1
+fi
+
+# four
+grep -v                                      \
+		-e 'DllMain'                 \
+		-e 'DllCanUnloadNow'         \
+		-e 'DllDebugObjectRPCHook'   \
+		-e 'DllGetClassObject'       \
+		-e 'DllRegisterServer'       \
+		-e 'DllUnregisterServer'     \
+		-e '?'                       \
+	"$tmpdef" > "$output" || exit 1
+
+# all done
+exit 0
-- 
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