Add some more mod files.

mod/brl.mod/blitz.mod/blitz_gc.linux.x86.s

@@ -0,0 +1,18 @@
+
+	format	ELF
+
+	public	bbGCRootRegs
+	
+	section	"code"
+
+	;0[esp]=ret
+	;4[esp]=buf
+bbGCRootRegs:
+	mov		eax,[esp+4]
+	mov		[eax],ebx
+	mov		[eax+4],esi
+	mov		[eax+8],edi
+	mov		[eax+12],ebp
+	mov		eax,esp
+	add		eax,8
+	ret

mod/brl.mod/blitz.mod/blitz_gc.macos.x86.s

@@ -0,0 +1,14 @@
+
+	.globl		_bbGCRootRegs
+
+	.text
+
+_bbGCRootRegs:
+	mov		4(%esp),%eax
+	mov		%ebx,(%eax)
+	mov		%esi,4(%eax)
+	mov		%edi,8(%eax)
+	mov		%ebp,12(%eax)
+	mov		%esp,%eax
+	add		$8,%eax
+	ret

mod/brl.mod/blitz.mod/blitz_gc.win32.x86.s

@@ -0,0 +1,37 @@
+
+	;Note:
+	;
+	;The bbGCEnter/bbGCLeave stuff below is for the Win32 only dll hack.
+	;
+	;Need a much nicer way to manage dlls...
+	;
+	format	MS COFF
+
+	public	_bbGCEnter
+	public	_bbGCLeave
+	public	_bbGCRootRegs
+	
+	extrn	_bbGCStackTop
+	
+	section	"code" code
+	
+_bbGCEnter:
+	mov		[_bbGCStackTop],ebp
+	ret
+	
+_bbGCLeave:
+	mov		dword [_bbGCStackTop],0
+	ret
+
+	;0[esp]=ret
+	;4[esp]=buf
+_bbGCRootRegs:
+	mov		eax,[esp+4]
+	mov		[eax],ebx
+	mov		[eax+4],esi
+	mov		[eax+8],edi
+	mov		[eax+12],ebp
+	mov		eax,esp
+	add		eax,8
+	ret
+