golang: fixed build errors and some refactoring

git-svn-id: svn://kolibrios.org@9298 a494cfbc-eb01-0410-851d-a64ba20cac60

programs/develop/golang/example/Makefile

@@ -0,0 +1,26 @@
+PROGRAM=example
+OBJS=../syscalls.o colors.go.o colors.gox ../kos.go.o ../kos.gox $(PROGRAM).go.o
+GOFLAGS=-m32 -c -nostdlib -nostdinc -fno-stack-protector -fno-split-stack -static -fno-leading-underscore -fno-common -fno-pie -g -I.
+GO=gccgo
+ASFLAGS=-g -f elf32 -F dwarf
+NASM=nasm $(ASFLAGS)
+OBJCOPY=objcopy
+LDFLAGS=-n -T static.lds -m elf_i386 --no-ld-generated-unwind-info
+
+all: $(OBJS) link
+
+clean:
+	rm -f $(OBJS) $(PROGRAM).kex
+
+link:
+	ld $(LDFLAGS) -o $(PROGRAM).kex $(OBJS)
+	$(OBJCOPY) $(PROGRAM).kex -O binary
+
+%.gox: %.go.o
+	$(OBJCOPY) -j .go_export $< $@
+
+%.go.o: %.go
+	$(GO)   $(GOFLAGS) -o $@ -c $<
+
+%.o: %.asm
+	$(NASM) $<

programs/develop/golang/example/colors.go

@@ -0,0 +1,20 @@
+package colors
+
+const(
+    Black = 0x000000	
+    Gray = 0x808080
+    Silver = 0xc0c0c0
+    White = 0xffffff	
+    Fuchsia = 0xff00ff	
+    Purple = 0x800080	
+    Red = 0xff0000	
+    Maroon = 0x800000
+    Yellow = 0xffff00
+    Olive = 0x808000
+    Lime = 0x00ff00
+    Green = 0x008000
+    Aqua = 0x00ffff
+    Teal = 0x008080
+    Blue = 0x0000ff
+    Navy =0x000080
+)

programs/develop/golang/example/example.go

@@ -0,0 +1,77 @@
+package example
+
+import (
+	"colors"
+	"../kos"
+)
+
+const (
+	Btn1    = 2
+	Btn2    = 3
+	BtnExit = 1
+)
+
+type Button struct { // structure gui button
+	label string
+	x     int
+	y     int
+	id    int
+}
+
+func NewButton() Button {
+	object := Button{"Text", 0, 0, Btn1} // default data
+	return object
+}
+
+func (button *Button) make() {
+	kos.CreateButton(button.x, button.y, len(button.label)*15, 30, button.id, colors.Blue)
+	kos.WriteText(button.x, button.y, 0x11000000|colors.White, button.label)
+}
+
+func RedrawAll(bar_pos int) {
+	kos.Redraw(1)
+	kos.Window(500, 250, 420, 200, "Example GoLang")
+	kos.DrawLine(32, 80, 150, 80, colors.Green)
+	kos.DrawBar(bar_pos, 90, 100, 30, colors.Red)
+
+	b1 := NewButton()
+	b1.label = " <- "
+	b1.x = 32
+	b1.y = 128
+	b1.id = Btn1
+	b1.make()
+
+	b2 := NewButton()
+	b2.label = " -> "
+	b2.x = 310
+	b2.y = 128
+	b2.id = Btn2
+	b2.make()
+}
+
+func Main() {
+	var pos = 160
+	time := kos.GetTime()
+	kos.DebugOutStr("Time: ")
+	kos.DebugOutHex(time)
+	for {
+		switch kos.Event() {
+		case kos.EVENT_REDRAW:
+			RedrawAll(pos)
+			break
+		case kos.EVENT_BUTTON:
+			switch kos.GetButtonID() {
+			case Btn1:
+				pos -= 32
+				RedrawAll(pos)
+				break
+			case Btn2:
+				pos += 32
+				RedrawAll(pos)
+				break
+			case BtnExit:
+				kos.Exit()
+			}
+		}
+	}
+}

programs/develop/golang/example/static.lds

@@ -0,0 +1,31 @@
+SECTIONS
+{
+    . = 0x00000;
+    .text :
+    {
+        LONG(0x554e454D);
+        LONG(0x31305445);
+        LONG(1);
+        LONG(go.example.Main);
+        LONG(__end);
+        LONG(0x10000);
+        LONG(0x10000);
+        LONG(0);
+        LONG(0);
+        *(.text)
+    }
+    .eh_frame : {
+        *(.eh_frame)
+    }
+    .group : {
+        *(.group)
+    }
+    .data : {
+        *(.data)
+    }
+    .rodata : {
+        *(.rodata)
+        *(.rodata.*)
+    }
+    __end = .;
+}