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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 | OUTPUT_FORMAT(binary) |
11 | OUTPUT_FORMAT(binary) |
12 | ENTRY(kernel_image_start) |
12 | ENTRY(kernel_image_start) |
13 | 13 | ||
14 | SECTIONS { |
14 | SECTIONS { |
15 | .unmapped 0x8000: AT (0x8000) { |
15 | .unmapped 0x8000: AT (0x8000) { |
16 | unmapped_ktext_start = .; |
16 | unmapped_ktext_start = .; |
17 | *(K_TEXT_START); |
17 | *(K_TEXT_START); |
18 | *(K_TEXT_START_2); |
18 | *(K_TEXT_START_2); |
19 | unmapped_ktext_end = .; |
19 | unmapped_ktext_end = .; |
20 | 20 | ||
21 | unmapped_kdata_start = .; |
21 | unmapped_kdata_start = .; |
22 | *(K_DATA_START); |
22 | *(K_DATA_START); |
23 | unmapped_kdata_end = .; |
23 | unmapped_kdata_end = .; |
24 | } |
24 | } |
25 | 25 | ||
26 | .mapped (0x80100000+0x8000+SIZEOF(.unmapped)): AT (0x8000+SIZEOF(.unmapped)) { |
26 | .mapped (0x80100000+0x8000+SIZEOF(.unmapped)): AT (0x8000+SIZEOF(.unmapped)) { |
27 | ktext_start = .; |
27 | ktext_start = .; |
28 | *(BOOT_DATA) |
28 | *(BOOT_DATA) |
29 | *(.text); |
29 | *(.text); |
30 | ktext_end = .; |
30 | ktext_end = .; |
31 | 31 | ||
32 | kdata_start = .; |
32 | kdata_start = .; |
33 | *(.data); /* initialized data */ |
33 | *(.data); /* initialized data */ |
34 | *(.rodata*); /* string literals */ |
34 | *(.rodata*); /* string literals */ |
35 | *(COMMON); /* global variables */ |
35 | *(COMMON); /* global variables */ |
36 | hardcoded_load_address = .; |
36 | hardcoded_load_address = .; |
37 | LONG(0x80108000); |
37 | LONG(0x80108000); |
38 | hardcoded_ktext_size = .; |
38 | hardcoded_ktext_size = .; |
39 | LONG(ktext_end - ktext_start + (unmapped_ktext_end - unmapped_ktext_start)); |
39 | LONG(ktext_end - ktext_start + (unmapped_ktext_end - unmapped_ktext_start)); |
40 | hardcoded_kdata_size = .; |
40 | hardcoded_kdata_size = .; |
41 | LONG(kdata_end - kdata_start + (unmapped_kdata_end - unmapped_kdata_start)); |
41 | LONG(kdata_end - kdata_start + (unmapped_kdata_end - unmapped_kdata_start)); |
42 | hardcoded_unmapped_ktext_size = .; |
42 | hardcoded_unmapped_ktext_size = .; |
43 | LONG(unmapped_ktext_end - unmapped_ktext_start); |
43 | LONG(unmapped_ktext_end - unmapped_ktext_start); |
44 | hardcoded_unmapped_kdata_size = .; |
44 | hardcoded_unmapped_kdata_size = .; |
45 | LONG(unmapped_kdata_end - unmapped_kdata_start); |
45 | LONG(unmapped_kdata_end - unmapped_kdata_start); |
46 | *(.bss); /* uninitialized static variables */ |
46 | *(.bss); /* uninitialized static variables */ |
47 | *(K_DATA_END); |
47 | *(K_DATA_END); |
- | 48 | ||
- | 49 | symbol_table = .; |
|
- | 50 | *(symtab.*); /* Symbol table, must be LAST symbol!*/ |
|
- | 51 | ||
48 | kdata_end = .; |
52 | kdata_end = .; |
49 | } |
53 | } |
50 | 54 | ||
51 | _hardcoded_kernel_size = (ktext_end - ktext_start) + (unmapped_ktext_end - unmapped_ktext_start) + (kdata_end - kdata_start) + (unmapped_kdata_end - unmapped_kdata_start); |
55 | _hardcoded_kernel_size = (ktext_end - ktext_start) + (unmapped_ktext_end - unmapped_ktext_start) + (kdata_end - kdata_start) + (unmapped_kdata_end - unmapped_kdata_start); |
52 | 56 | ||
53 | _map_address = 0x80100000; |
57 | _map_address = 0x80100000; |
54 | e820table_boot = e820table - _map_address; |
58 | e820table_boot = e820table - _map_address; |
55 | e820counter_boot = e820counter - _map_address; |
59 | e820counter_boot = e820counter - _map_address; |
56 | } |
60 | } |
57 | 61 |