diff --git a/boot/i386/pc/boot.S b/boot/i386/pc/boot.S
index fc31f5a..c22dccd 100644
--- a/boot/i386/pc/boot.S
+++ b/boot/i386/pc/boot.S
@@ -30,7 +30,11 @@
 #define ABS(x) (x-_start+0x7c00)
 
 	/* Print message string */
+#ifdef APPLE_CC
+#define MSG(x)	x ## _abs = ABS(x); movw $x ## _abs, %si; call message
+#else
 #define MSG(x)	movw $ABS(x), %si; call message
+#endif
 
 	.file	"boot.S"
 
@@ -125,7 +129,12 @@ boot_drive_check:
 	 * ljmp to the next instruction because some bogus BIOSes
 	 * jump to 07C0:0000 instead of 0000:7C00.
 	 */
+#ifdef APPLE_CC
+	real_start_abs = ABS(real_start)
+	ljmp	$0, $(real_start_abs)
+#else
 	ljmp	$0, $ABS(real_start)
+#endif
 
 real_start:	
 
@@ -143,7 +152,12 @@ real_start:
 	 *  Check if we have a forced disk reference here
 	 */
         /* assign root_drive at the same time */
-        movw    ABS(boot_drive), %ax
+#ifdef APPLE_CC
+	boot_drive_abs = ABS (boot_drive)
+	movw    boot_drive_abs, %ax
+#else
+	movw    ABS(boot_drive), %ax
+#endif
         movb    %ah, %dh
 	cmpb	$0xff, %al
 	je	1f
@@ -156,7 +170,12 @@ real_start:
 	MSG(notification_string)
 
 	/* set %si to the disk address packet */
+#ifdef APPLE_CC
+	disk_address_packet_abs = ABS (disk_address_packet)
+	movw	$disk_address_packet_abs, %si
+#else
 	movw	$ABS(disk_address_packet), %si
+#endif
 	
 	/* do not probe LBA if the drive is a floppy */
 	testb	$GRUB_BOOT_MACHINE_BIOS_HD_FLAG, %dl
@@ -197,10 +216,18 @@ lba_mode:
 	movw	$0x0010, (%si)
 
 	/* the absolute address */
+#ifdef APPLE_CC
+	kernel_sector_abs = ABS (kernel_sector)
+	movl	(kernel_sector_abs), %ebx
+	movl	%ebx, 8(%si)
+	movl	(kernel_sector_abs + 4), %ebx
+	movl	%ebx, 12(%si)
+#else
 	movl	ABS(kernel_sector), %ebx
 	movl	%ebx, 8(%si)
 	movl	ABS(kernel_sector + 4), %ebx
 	movl	%ebx, 12(%si)
+#endif
 
 	/* the segment of buffer address */
 	movw	$GRUB_BOOT_MACHINE_BUFFER_SEG, 6(%si)
@@ -267,12 +294,22 @@ final_init:
 
 setup_sectors:
 	/* load logical sector start (top half) */
+#ifdef APPLE_CC
+	kernel_sector_abs = ABS (kernel_sector)
+	movl	(kernel_sector_abs + 4), %eax
+#else
 	movl	ABS(kernel_sector + 4), %eax
+#endif
+
 	orl	%eax, %eax
 	jnz	geometry_error
 	
 	/* load logical sector start (bottom half) */
+#ifdef APPLE_CC
+	movl	(kernel_sector_abs), %eax
+#else
 	movl	ABS(kernel_sector), %eax
+#endif
 
 	/* zero %edx */
 	xorl	%edx, %edx
@@ -336,7 +373,12 @@ setup_sectors:
 	movw	%es, %bx
 	
 copy_buffer:
+#ifdef APPLE_CC
+	kernel_segment_abs = ABS (kernel_segment)
+	movw	(kernel_segment_abs), %es
+#else
 	movw	ABS(kernel_segment), %es
+#endif
 
 	/*
 	 * We need to save %cx and %si because the startup code in
@@ -360,7 +402,12 @@ copy_buffer:
         popw    %dx
 
 	/* boot kernel */
+#ifdef APPLE_CC
+	kernel_address_abs = ABS (kernel_address)
+	jmp	*(kernel_address_abs)
+#else
 	jmp	*(kernel_address)
+#endif
 
 /* END OF MAIN LOOP */
 
@@ -446,7 +493,12 @@ floppy_probe:
  *  Perform floppy probe.
  */
 
+#ifdef APPLE_CC
+	probe_values_abs = ABS (probe_values)
+	movw	$(probe_values_abs-1), %si
+#else
 	movw	$ABS(probe_values-1), %si
+#endif
 
 probe_loop:
 	/* reset floppy controller INT 13h AH=0 */
diff --git a/boot/i386/pc/cdboot.S b/boot/i386/pc/cdboot.S
index 133f8de..b32f82c 100644
--- a/boot/i386/pc/cdboot.S
+++ b/boot/i386/pc/cdboot.S
@@ -67,8 +67,15 @@ bi_reserved:
 	movw	%ax, %ds
 	movw	%ax, %es
 
+#ifdef APPLE_CC
+	err_noboot_msg_abs = 0x7C00 + err_noboot_msg - start
+	movw	$err_noboot_msg_abs, %si
+	bi_length_dif = bi_length - next
+	movl	%cs:bi_length_dif(%bx), %ecx
+#else
 	movw	$(0x7C00 + err_noboot_msg - start), %si
 	movl	%cs: bi_length - next(%bx), %ecx
+#endif
 	orl	%ecx, %ecx
 	jz	fail
 
@@ -152,7 +159,12 @@ read_cdrom:
 	ret
 
 cdrom_fail:
+#ifdef APPLE_CC
+	err_cdfail_msg_abs = 0x7C00 + err_cdfail_msg - start
+	movw	$(err_cdfail_msg_abs), %si
+#else
 	movw	$(0x7C00 + err_cdfail_msg - start), %si
+#endif
 
 fail:
 	movb	$0x0e, %ah
diff --git a/boot/i386/pc/diskboot.S b/boot/i386/pc/diskboot.S
index 0c8e75d..f29ddaa 100644
--- a/boot/i386/pc/diskboot.S
+++ b/boot/i386/pc/diskboot.S
@@ -28,7 +28,11 @@
 #define ABS(x) (x-_start+GRUB_BOOT_MACHINE_KERNEL_ADDR)
 	
 	/* Print message string */
+#ifdef APPLE_CC
+#define MSG(x)	x ## _abs = ABS(x); mov $x ## _abs, %esi; call message
+#else
 #define MSG(x)	movw $ABS(x), %si; call message
+#endif
 
 	.file	"diskboot.S"
 
@@ -61,7 +65,12 @@ _start:
 	popw	%si
 	
 	/* this sets up for the first run through "bootloop" */
+#ifdef APPLE_CC
+	firstlist_off_abs = ABS (firstlist - GRUB_BOOT_MACHINE_LIST_SIZE)
+	movl	$firstlist_off_abs, %edi
+#else
 	movw	$ABS(firstlist - GRUB_BOOT_MACHINE_LIST_SIZE), %di
+#endif
 
 	/* save the sector number of the second sector in %ebp */
 	movl	(%di), %ebp
diff --git a/boot/i386/pc/lnxboot.S b/boot/i386/pc/lnxboot.S
index e7f55df..0db6826 100644
--- a/boot/i386/pc/lnxboot.S
+++ b/boot/i386/pc/lnxboot.S
@@ -123,8 +123,15 @@ data_leng:
 
 linux_init:
 
+#ifdef APPLE_CC
+	reg_edx_rel = reg_edx - start 
+	code32_start_rel = code32_start - start 
+	movw	%cs:(reg_edx_rel), %dx
+	movl	%cs:(code32_start_rel), %ebp
+#else
 	movw	%cs:(reg_edx - start), %dx
 	movl	%cs:(code32_start - start), %ebp
+#endif
 
 linux_next:
 
@@ -132,12 +139,22 @@ linux_next:
 
 normalize:
 	popw	%bx
+#ifdef APPLE_CC
+	normalize_rel = normalize - start
+	subw	$(normalize_rel), %bx
+#else
 	subw	$(normalize - start), %bx
+#endif
 	shrw	$4, %bx
 	movw	%cs, %ax
 	addw	%bx, %ax
 	pushw	%ax
+#ifdef APPLE_CC
+	real_code_rel = real_code - start
+	pushw	$(real_code_rel)
+#else
 	pushw	$(real_code - start)
+#endif
 	lret				/* Jump to real_code.  */
 
 real_code:
@@ -164,7 +181,12 @@ real_code:
 	rep
 	movsl
 
+#ifdef APPLE_CC
+	real_code_2_rel = real_code_2 - start
+	ljmp	$(CODE_ADDR >> 4), $(real_code_2_rel)
+#else
 	ljmp	$(CODE_ADDR >> 4), $(real_code_2  - start)
+#endif
 
 real_code_2:
 
@@ -189,8 +211,15 @@ real_code_2:
 	cmpl	$MULTIBOOT_MAGIC, %ss:(DATA_ADDR + GRUB_KERNEL_MACHINE_DATA_END)
 	jz	1f
 
+#ifdef APPLE_CC
+	ramdisk_image_rel = ramdisk_image - start
+	ramdisk_size_rel = ramdisk_size - start
+	movl	(ramdisk_image_rel), %esi
+	movl	(ramdisk_size_rel), %ecx
+#else
 	movl	(ramdisk_image - start), %esi
 	movl	(ramdisk_size - start), %ecx
+#endif
 	movl	$(DATA_ADDR - 0x200), %edi
 	jmp	2f
 
@@ -205,7 +234,12 @@ real_code_2:
 	movsbl	%dh, %eax
 	movl	%eax, %ss:(DATA_ADDR + GRUB_KERNEL_MACHINE_INSTALL_DOS_PART)
 
+#ifdef APPLE_CC
+	reg_edx_rel = reg_edx - start
+	movsbl	(reg_edx_rel + 2), %eax
+#else
 	movsbl	(reg_edx + 2 - start), %eax
+#endif
 	movl	%eax, %ss:(DATA_ADDR + GRUB_KERNEL_MACHINE_INSTALL_BSD_PART)
 
 	movb	$0xFF, %dh
@@ -234,6 +268,28 @@ move_memory:
 	pushl	%ecx
 
 	movl	%esi, %eax
+#ifdef APPLE_CC
+	gdt_src1_rel = gdt_src1 - start
+	gdt_src2_rel = gdt_src2 - start
+	gdt_dst1_rel = gdt_dst1 - start
+	gdt_dst2_rel = gdt_dst2 - start
+	gdt_rel = gdt - start
+
+	movw	%si, (gdt_src1_rel)
+	shrl	$16, %eax
+	movb	%al, (gdt_src1_rel + 2)
+	movb	%ah, (gdt_src2_rel)
+
+	movl	%edi, %eax
+	movw	%di, (gdt_dst1_rel)
+	shrl	$16, %eax
+	movb	%al, (gdt_dst1_rel + 2)
+	movb	%ah, (gdt_dst2_rel)
+
+	movw	$(gdt_rel), %si
+	movb	$0x87, %ah
+	shrw	$1, %cx
+#else
 	movw	%si, (gdt_src1 - start)
 	shrl	$16, %eax
 	movb	%al, (gdt_src1 + 2 - start)
@@ -248,6 +304,7 @@ move_memory:
 	movw	$(gdt - start), %si
 	movb	$0x87, %ah
 	shrw	$1, %cx
+#endif
 
 	int	$0x15
 
@@ -257,7 +314,12 @@ move_memory:
 	popl	%esi
 
 	jnc	2f
+#ifdef APPLE_CC
+	err_int15_msg_rel = err_int15_msg - start
+	movw	$(err_int15_msg_rel), %si
+#else
 	movw	$(err_int15_msg - start), %si
+#endif
 	jmp	fail
 
 2:
diff --git a/commands/i386/pc/drivemap_int13h.S b/commands/i386/pc/drivemap_int13h.S
index 23b7302..7a3e8e7 100644
--- a/commands/i386/pc/drivemap_int13h.S
+++ b/commands/i386/pc/drivemap_int13h.S
@@ -30,7 +30,12 @@ FUNCTION(grub_drivemap_handler)
 	/* Map the drive number (always in DL).  */
 	push	%ax
 	push	%bx
+#ifdef APPLE_CC
+	grub_drivemap_mapstart_ofs = INT13H_OFFSET(EXT_C(grub_drivemap_mapstart))
+	movw	$grub_drivemap_mapstart_ofs, %bx
+#else
 	movw	$INT13H_OFFSET(EXT_C(grub_drivemap_mapstart)), %bx
+#endif
 
 more_remaining:
 	movw	%cs:(%bx), %ax
diff --git a/kern/i386/pc/startup.S b/kern/i386/pc/startup.S
index fc83c4c..23f84ed 100644
--- a/kern/i386/pc/startup.S
+++ b/kern/i386/pc/startup.S
@@ -69,7 +69,12 @@ _start:
 	/*
 	 *  Guarantee that "main" is loaded at 0x0:0x8200.
 	 */
+#ifdef APPLE_CC
+	codestart_abs = ABS(codestart) - 0x10000
+	ljmp $0, $(codestart_abs)
+#else
 	ljmp $0, $ABS(codestart)
+#endif
 
 	/*
 	 *  Compatibility version number
@@ -249,12 +254,24 @@ codestart:
 	movsb
 #endif
 	
+#ifdef APPLE_CC
+	/* clean out the bss */
+	bss_start_abs = ABS (bss_start)
+	bss_end_abs = ABS (bss_end)
+
+	movl    bss_start_abs, %edi
+
+	/* compute the bss length */
+	movl	bss_end_abs, %ecx
+	subl	%edi, %ecx
+#else
 	/* clean out the bss */
 	movl	$BSS_START_SYMBOL, %edi
 
 	/* compute the bss length */
 	movl	$END_SYMBOL, %ecx
 	subl	%edi, %ecx
+#endif
 			
 	/* clean out */
 	xorl	%eax, %eax
@@ -293,7 +310,13 @@ real_to_prot:
 	cli
 
 	/* load the GDT register */
+#ifdef APPLE_CC
+	mov %cs, %ax
+	mov %ax, %ds
+	DATA32	ADDR32	lgdt	gdtdesc
+#else
 	DATA32	ADDR32	lgdt	%cs:gdtdesc
+#endif
 
 	/* turn on protected mode */
 	movl	%cr0, %eax
@@ -1223,7 +1246,12 @@ translate_keycode:
 	pushw	%bx
 	pushw	%si
 	
+#ifdef APPLE_CC
+	translation_table_abs = ABS (translation_table) - 0x10000
+	movw	$(translation_table_abs), %si
+#else
 	movw	$ABS(translation_table), %si
+#endif
 	
 1:	lodsw
 	/* check if this is the end */
diff --git a/mmap/i386/pc/mmap_helper.S b/mmap/i386/pc/mmap_helper.S
index ab7c0d2..f153f1c 100644
--- a/mmap/i386/pc/mmap_helper.S
+++ b/mmap/i386/pc/mmap_helper.S
@@ -28,7 +28,12 @@ VARIABLE(grub_machine_mmaphook_int12)
 	push %ds
 	push %cs
 	pop %ds
+#ifdef APPLE_CC
+	grub_machine_mmaphook_kblow_rel = DS (EXT_C (grub_machine_mmaphook_kblow))
+	movw (grub_machine_mmaphook_kblow_rel), %ax
+#else
 	movw DS (EXT_C (grub_machine_mmaphook_kblow)), %ax
+#endif
 	pop %ds
 	iret
 
@@ -53,8 +58,15 @@ e801:
 	push %ds
 	push %cs
 	pop %ds
+#ifdef APPLE_CC
+	grub_machine_mmaphook_kbin16mb_rel = DS (EXT_C (grub_machine_mmaphook_kbin16mb))
+	grub_machine_mmaphook_64kbin4gb_rel = DS (EXT_C (grub_machine_mmaphook_64kbin4gb))
+	movw (grub_machine_mmaphook_kbin16mb_rel), %ax
+	movw (grub_machine_mmaphook_64kbin4gb_rel), %bx
+#else
 	movw DS (EXT_C (grub_machine_mmaphook_kbin16mb)), %ax
 	movw DS (EXT_C (grub_machine_mmaphook_64kbin4gb)), %bx
+#endif
 	movw %ax, %cx
 	movw %bx, %dx
 	pop %ds
@@ -66,26 +78,42 @@ h88:
 	push %ds
 	push %cs
 	pop %ds
+#ifdef APPLE_CC
+	movw (grub_machine_mmaphook_kbin16mb_rel), %ax
+#else
 	movw DS (EXT_C (grub_machine_mmaphook_kbin16mb)), %ax
+#endif
 	pop %ds
 	clc
 	iret
 
 e820:
+#ifdef APPLE_CC
+	mmaphook_mmap_rel = DS(mmaphook_mmap)
+	mmaphook_mmap_num_rel = DS(EXT_C(grub_machine_mmaphook_mmap_num))
+#endif
 	popf
 	push %ds
 	push %cs
 	pop %ds
 	cmpw $20, %cx
 	jb errexit
+#ifdef APPLE_CC
+	cmpw (mmaphook_mmap_num_rel), %bx
+#else
 	cmpw DS (EXT_C (grub_machine_mmaphook_mmap_num)), %bx
+#endif
 	jae errexit
 	cmp $0x534d4150, %edx
 	jne errexit
 	push %si
 	push %di
 	movw $20, %cx
+#ifdef APPLE_CC
+	movl $(mmaphook_mmap_rel), %esi
+#else
 	movw $(DS(mmaphook_mmap)), %si
+#endif
 	mov %bx, %ax
 	imul $20, %ax
 	add %ax, %si
@@ -94,7 +122,11 @@ e820:
 	pop %si
 	movl $20, %ecx
 	inc %bx
+#ifdef APPLE_CC
+	cmpw (mmaphook_mmap_num_rel), %bx
+#else
 	cmpw DS(EXT_C(grub_machine_mmaphook_mmap_num)), %bx
+#endif
 	jb noclean
 	xor %bx, %bx	
 noclean: