WebSVN – HelenOS-historic – Diff – /kernel/trunk/arch/ia32/_link.ld.in


/** IA-32 linker script
 *  
 * umapped section:
 * 	kernel text
 * 	kernel data
 * mapped section:
 *	kernel text
 *	kernel data 
 */
 
#define __ASM__
#include <arch/boot/boot.h>
#include <arch/mm/page.h>
 
ENTRY(kernel_image_start)
 
SECTIONS {
	.unmapped BOOTSTRAP_OFFSET: AT (BOOTSTRAP_OFFSET) {
		unmapped_ktext_start = .;
		*(K_TEXT_START);
		*(K_TEXT_START_2);
		unmapped_ktext_end = .;
	
		unmapped_kdata_start = .;
		*(K_DATA_START);
		unmapped_kdata_end = .;
	}
	
	.mapped (PA2KA(BOOT_OFFSET+BOOTSTRAP_OFFSET)+SIZEOF(.unmapped)): AT (BOOTSTRAP_OFFSET+SIZEOF(.unmapped)) { 
		ktext_start = .;
		*(BOOT_DATA);
		*(.text);
		ktext_end = .;
		
		kdata_start = .;
		*(.data);			/* initialized data */
		*(.rodata*);			/* string literals */
		*(COMMON);			/* global variables */
		hardcoded_load_address = .;
		LONG(PA2KA(BOOT_OFFSET+BOOTSTRAP_OFFSET));
		hardcoded_ktext_size = .;
		LONG((ktext_end - ktext_start) + (unmapped_ktext_end - unmapped_ktext_start));
		hardcoded_kdata_size = .;
		LONG((kdata_end - kdata_start) + (unmapped_kdata_end - unmapped_kdata_start));
		hardcoded_unmapped_ktext_size = .;
		LONG(unmapped_ktext_end - unmapped_ktext_start);
		hardcoded_unmapped_kdata_size = .;
		LONG(unmapped_kdata_end - unmapped_kdata_start);
 
		symbol_table = .;
		*(symtab.*);            	/* Symbol table, must be LAST symbol! */
 
		*(.bss);			/* uninitialized static variables */
		kdata_end = .;
	}
 
	/DISCARD/ : {
		*(.note.GNU-stack);		
		*(.comment);
	}
 
	
	_hardcoded_kernel_size = (ktext_end - ktext_start) + (unmapped_ktext_end - unmapped_ktext_start) + (kdata_end - kdata_start) + (unmapped_kdata_end - unmapped_kdata_start);
	_hardcoded_unmapped_size = (unmapped_ktext_end - unmapped_ktext_start) + (unmapped_kdata_end - unmapped_kdata_start);
	
	e820table_boot = KA2PA(e820table) - BOOT_OFFSET;
	e820counter_boot = KA2PA(e820counter) - BOOT_OFFSET;
	real_bootstrap_gdtr = PA2KA(real_bootstrap_gdtr_boot);
}
 

Rev 534	Rev 602
1	/** IA-32 linker script	1	/** IA-32 linker script
2	*	2	*
3	* umapped section:	3	* umapped section:
4	* kernel text	4	* kernel text
5	* kernel data	5	* kernel data
6	* mapped section:	6	* mapped section:
7	* kernel text	7	* kernel text
8	* kernel data	8	* kernel data
9	*/	9	*/
10		10
11	#define __ASM__	11	#define __ASM__
12	#include <arch/boot/boot.h>	12	#include <arch/boot/boot.h>
13	#include <arch/mm/page.h>	13	#include <arch/mm/page.h>
14		14
15	ENTRY(kernel_image_start)	15	ENTRY(kernel_image_start)
16		16
17	SECTIONS {	17	SECTIONS {
18	.unmapped BOOTSTRAP_OFFSET: AT (BOOTSTRAP_OFFSET) {	18	.unmapped BOOTSTRAP_OFFSET: AT (BOOTSTRAP_OFFSET) {
19	unmapped_ktext_start = .;	19	unmapped_ktext_start = .;
20	*(K_TEXT_START);	20	*(K_TEXT_START);
21	*(K_TEXT_START_2);	21	*(K_TEXT_START_2);
22	unmapped_ktext_end = .;	22	unmapped_ktext_end = .;
23		23
24	unmapped_kdata_start = .;	24	unmapped_kdata_start = .;
25	*(K_DATA_START);	25	*(K_DATA_START);
26	unmapped_kdata_end = .;	26	unmapped_kdata_end = .;
27	}	27	}
28		28
29	.mapped (PA2KA(BOOT_OFFSET+BOOTSTRAP_OFFSET)+SIZEOF(.unmapped)): AT (BOOTSTRAP_OFFSET+SIZEOF(.unmapped)) {	29	.mapped (PA2KA(BOOT_OFFSET+BOOTSTRAP_OFFSET)+SIZEOF(.unmapped)): AT (BOOTSTRAP_OFFSET+SIZEOF(.unmapped)) {
30	ktext_start = .;	30	ktext_start = .;
31	*(BOOT_DATA);	31	*(BOOT_DATA);
32	*(.text);	32	*(.text);
33	ktext_end = .;	33	ktext_end = .;
34		34
35	kdata_start = .;	35	kdata_start = .;
36	(.data); / initialized data */	36	(.data); / initialized data */
37	(.rodata); /* string literals */	37	(.rodata); /* string literals */
38	(COMMON); / global variables */	38	(COMMON); / global variables */
39	hardcoded_load_address = .;	39	hardcoded_load_address = .;
40	LONG(PA2KA(BOOT_OFFSET+BOOTSTRAP_OFFSET));	40	LONG(PA2KA(BOOT_OFFSET+BOOTSTRAP_OFFSET));
41	hardcoded_ktext_size = .;	41	hardcoded_ktext_size = .;
42	LONG((ktext_end - ktext_start) + (unmapped_ktext_end - unmapped_ktext_start));	42	LONG((ktext_end - ktext_start) + (unmapped_ktext_end - unmapped_ktext_start));
43	hardcoded_kdata_size = .;	43	hardcoded_kdata_size = .;
44	LONG((kdata_end - kdata_start) + (unmapped_kdata_end - unmapped_kdata_start));	44	LONG((kdata_end - kdata_start) + (unmapped_kdata_end - unmapped_kdata_start));
45	hardcoded_unmapped_ktext_size = .;	45	hardcoded_unmapped_ktext_size = .;
46	LONG(unmapped_ktext_end - unmapped_ktext_start);	46	LONG(unmapped_ktext_end - unmapped_ktext_start);
47	hardcoded_unmapped_kdata_size = .;	47	hardcoded_unmapped_kdata_size = .;
48	LONG(unmapped_kdata_end - unmapped_kdata_start);	48	LONG(unmapped_kdata_end - unmapped_kdata_start);
49	(.bss); / uninitialized static variables */	-
50	symbol_table = .;	49	symbol_table = .;
51	(symtab.); /* Symbol table, must be LAST symbol! */	50	(symtab.); /* Symbol table, must be LAST symbol! */
52		-
-		51	(.bss); / uninitialized static variables */
53	kdata_end = .;	52	kdata_end = .;
54	}	53	}
55		54
56	/DISCARD/ : {	55	/DISCARD/ : {
57	*(.note.GNU-stack);	56	*(.note.GNU-stack);
58	*(.comment);	57	*(.comment);
59	}	58	}
60		59
61		60
62	_hardcoded_kernel_size = (ktext_end - ktext_start) + (unmapped_ktext_end - unmapped_ktext_start) + (kdata_end - kdata_start) + (unmapped_kdata_end - unmapped_kdata_start);	61	_hardcoded_kernel_size = (ktext_end - ktext_start) + (unmapped_ktext_end - unmapped_ktext_start) + (kdata_end - kdata_start) + (unmapped_kdata_end - unmapped_kdata_start);
63	_hardcoded_unmapped_size = (unmapped_ktext_end - unmapped_ktext_start) + (unmapped_kdata_end - unmapped_kdata_start);	62	_hardcoded_unmapped_size = (unmapped_ktext_end - unmapped_ktext_start) + (unmapped_kdata_end - unmapped_kdata_start);
64		63
65	e820table_boot = KA2PA(e820table) - BOOT_OFFSET;	64	e820table_boot = KA2PA(e820table) - BOOT_OFFSET;
66	e820counter_boot = KA2PA(e820counter) - BOOT_OFFSET;	65	e820counter_boot = KA2PA(e820counter) - BOOT_OFFSET;
67	real_bootstrap_gdtr = PA2KA(real_bootstrap_gdtr_boot);	66	real_bootstrap_gdtr = PA2KA(real_bootstrap_gdtr_boot);
68	}	67	}
69		68

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(root)/kernel/trunk/arch/ia32/_link.ld.in – Rev 534 → 602