WebSVN – HelenOS – Diff – /trunk/kernel/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>
 
OUTPUT_FORMAT(binary)
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 = .;
		
		LONG(0xdeadbeaf);		/* TODO: remove 0xdeadbeaf */						
	}
	
	.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);
		*(.bss);			/* uninitialized static variables */
 
 
 
		symbol_table = .;
		*(symtab.*);            	/* Symbol table, must be LAST symbol! */
 
		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 337	Rev 381
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	OUTPUT_FORMAT(binary)	15	OUTPUT_FORMAT(binary)
16	ENTRY(kernel_image_start)	16	ENTRY(kernel_image_start)
17		17
18	SECTIONS {	18	SECTIONS {
19	.unmapped BOOTSTRAP_OFFSET: AT (BOOTSTRAP_OFFSET) {	19	.unmapped BOOTSTRAP_OFFSET: AT (BOOTSTRAP_OFFSET) {
20	unmapped_ktext_start = .;	20	unmapped_ktext_start = .;
21	*(K_TEXT_START);	21	*(K_TEXT_START);
22	*(K_TEXT_START_2);	22	*(K_TEXT_START_2);
23	unmapped_ktext_end = .;	23	unmapped_ktext_end = .;
24		24
25	unmapped_kdata_start = .;	25	unmapped_kdata_start = .;
26	*(K_DATA_START);	26	*(K_DATA_START);
27	LONG(0xdeadbeaf); /* TODO: remove 0xdeadbeaf */	-
28	unmapped_kdata_end = .;	27	unmapped_kdata_end = .;
-		28
-		29	LONG(0xdeadbeaf); /* TODO: remove 0xdeadbeaf */
29	}	30	}
30		31
31	.mapped (PA2KA(BOOT_OFFSET+BOOTSTRAP_OFFSET)+SIZEOF(.unmapped)): AT (BOOTSTRAP_OFFSET+SIZEOF(.unmapped)) {	32	.mapped (PA2KA(BOOT_OFFSET+BOOTSTRAP_OFFSET)+SIZEOF(.unmapped)): AT (BOOTSTRAP_OFFSET+SIZEOF(.unmapped)) {
32	ktext_start = .;	33	ktext_start = .;
33	*(BOOT_DATA);	34	*(BOOT_DATA);
34	*(.text);	35	*(.text);
35	ktext_end = .;	36	ktext_end = .;
36		37
37	kdata_start = .;	38	kdata_start = .;
38	(.data); / initialized data */	39	(.data); / initialized data */
39	(.rodata); /* string literals */	40	(.rodata); /* string literals */
40	(COMMON); / global variables */	41	(COMMON); / global variables */
41	hardcoded_load_address = .;	42	hardcoded_load_address = .;
42	LONG(PA2KA(BOOT_OFFSET+BOOTSTRAP_OFFSET));	43	LONG(PA2KA(BOOT_OFFSET+BOOTSTRAP_OFFSET));
43	hardcoded_ktext_size = .;	44	hardcoded_ktext_size = .;
44	LONG((ktext_end - ktext_start) + (unmapped_ktext_end - unmapped_ktext_start));	45	LONG((ktext_end - ktext_start) + (unmapped_ktext_end - unmapped_ktext_start));
45	hardcoded_kdata_size = .;	46	hardcoded_kdata_size = .;
46	LONG((kdata_end - kdata_start) + (unmapped_kdata_end - unmapped_kdata_start));	47	LONG((kdata_end - kdata_start) + (unmapped_kdata_end - unmapped_kdata_start));
47	hardcoded_unmapped_ktext_size = .;	48	hardcoded_unmapped_ktext_size = .;
48	LONG(unmapped_ktext_end - unmapped_ktext_start);	49	LONG(unmapped_ktext_end - unmapped_ktext_start);
49	hardcoded_unmapped_kdata_size = .;	50	hardcoded_unmapped_kdata_size = .;
50	LONG(unmapped_kdata_end - unmapped_kdata_start);	51	LONG(unmapped_kdata_end - unmapped_kdata_start);
51	(.bss); / uninitialized static variables */	52	(.bss); / uninitialized static variables */
52	*(.note.GNU-stack);	-
53	*(.comment);	-
54		-
55	symbol_table = .;	53	symbol_table = .;
56	(symtab.); /* Symbol table, must be LAST symbol! */	54	(symtab.); /* Symbol table, must be LAST symbol! */
57		55
58	kdata_end = .;	56	kdata_end = .;
59	}	57	}
-		58
-		59	/DISCARD/ : {
-		60	*(.note.GNU-stack);
-		61	*(.comment);
-		62	}
-		63
60		64
61	_hardcoded_kernel_size = (ktext_end - ktext_start) + (unmapped_ktext_end - unmapped_ktext_start) + (kdata_end - kdata_start) + (unmapped_kdata_end - unmapped_kdata_start);	65	_hardcoded_kernel_size = (ktext_end - ktext_start) + (unmapped_ktext_end - unmapped_ktext_start) + (kdata_end - kdata_start) + (unmapped_kdata_end - unmapped_kdata_start);
62	_hardcoded_unmapped_size = (unmapped_ktext_end - unmapped_ktext_start) + (unmapped_kdata_end - unmapped_kdata_start);	66	_hardcoded_unmapped_size = (unmapped_ktext_end - unmapped_ktext_start) + (unmapped_kdata_end - unmapped_kdata_start);
63		67
64	e820table_boot = KA2PA(e820table) - BOOT_OFFSET;	68	e820table_boot = KA2PA(e820table) - BOOT_OFFSET;
65	e820counter_boot = KA2PA(e820counter) - BOOT_OFFSET;	69	e820counter_boot = KA2PA(e820counter) - BOOT_OFFSET;
66	real_bootstrap_gdtr = PA2KA(real_bootstrap_gdtr_boot);	70	real_bootstrap_gdtr = PA2KA(real_bootstrap_gdtr_boot);
67	}	71	}
68		72

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(root)/trunk/kernel/arch/ia32/_link.ld.in @ 2725 – Rev 337 → 381