diff options
author | Paul Mundt <lethal@linux-sh.org> | 2007-10-30 04:38:03 -0400 |
---|---|---|
committer | Paul Mundt <lethal@linux-sh.org> | 2007-10-30 04:38:03 -0400 |
commit | 36b13d767ad68713ab498d71c8df78ca788bda63 (patch) | |
tree | 30ec454a639e352ab707bc9f1d7758c01fffdc11 | |
parent | 69d1ef4caf77da7164d3e392bf0a8057b42cf26e (diff) |
sh: linker script tidying.
Some cleanups to the SH linker script. This reorders some of the
data sections for more optimal placement, general tabification,
and plugging in omitted generic definitions.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
-rw-r--r-- | arch/sh/kernel/vmlinux.lds.S | 197 |
1 files changed, 104 insertions, 93 deletions
diff --git a/arch/sh/kernel/vmlinux.lds.S b/arch/sh/kernel/vmlinux.lds.S index 081147c401b6..0956fb3681a3 100644 --- a/arch/sh/kernel/vmlinux.lds.S +++ b/arch/sh/kernel/vmlinux.lds.S | |||
@@ -1,4 +1,4 @@ | |||
1 | /* $Id: vmlinux.lds.S,v 1.8 2003/05/16 17:18:14 lethal Exp $ | 1 | /* |
2 | * ld script to make SuperH Linux kernel | 2 | * ld script to make SuperH Linux kernel |
3 | * Written by Niibe Yutaka | 3 | * Written by Niibe Yutaka |
4 | */ | 4 | */ |
@@ -15,113 +15,124 @@ OUTPUT_ARCH(sh) | |||
15 | ENTRY(_start) | 15 | ENTRY(_start) |
16 | SECTIONS | 16 | SECTIONS |
17 | { | 17 | { |
18 | . = CONFIG_PAGE_OFFSET + CONFIG_MEMORY_START + CONFIG_ZERO_PAGE_OFFSET; | 18 | . = CONFIG_PAGE_OFFSET + CONFIG_MEMORY_START + CONFIG_ZERO_PAGE_OFFSET; |
19 | _text = .; /* Text and read-only data */ | 19 | _text = .; /* Text and read-only data */ |
20 | text = .; /* Text and read-only data */ | 20 | |
21 | .empty_zero_page : { | 21 | .empty_zero_page : { |
22 | *(.empty_zero_page) | 22 | *(.empty_zero_page) |
23 | } = 0 | 23 | } = 0 |
24 | .text : { | 24 | |
25 | *(.text.head) | 25 | .text : { |
26 | TEXT_TEXT | 26 | *(.text.head) |
27 | SCHED_TEXT | 27 | TEXT_TEXT |
28 | LOCK_TEXT | 28 | SCHED_TEXT |
29 | *(.fixup) | 29 | LOCK_TEXT |
30 | *(.gnu.warning) | 30 | KPROBES_TEXT |
31 | *(.fixup) | ||
32 | *(.gnu.warning) | ||
31 | } = 0x0009 | 33 | } = 0x0009 |
32 | 34 | ||
33 | . = ALIGN(16); /* Exception table */ | 35 | . = ALIGN(16); /* Exception table */ |
34 | __start___ex_table = .; | 36 | __start___ex_table = .; |
35 | __ex_table : { *(__ex_table) } | 37 | __ex_table : { *(__ex_table) } |
36 | __stop___ex_table = .; | 38 | __stop___ex_table = .; |
39 | |||
40 | _etext = .; /* End of text section */ | ||
41 | |||
42 | BUG_TABLE | ||
43 | NOTES | ||
44 | RO_DATA(PAGE_SIZE) | ||
37 | 45 | ||
38 | _etext = .; /* End of text section */ | 46 | . = ALIGN(THREAD_SIZE); |
47 | .data : { /* Data */ | ||
48 | *(.data.init_task) | ||
39 | 49 | ||
40 | RODATA | 50 | . = ALIGN(L1_CACHE_BYTES); |
51 | *(.data.cacheline_aligned) | ||
41 | 52 | ||
42 | BUG_TABLE | 53 | . = ALIGN(L1_CACHE_BYTES); |
54 | *(.data.read_mostly) | ||
43 | 55 | ||
44 | .data : { /* Data */ | 56 | . = ALIGN(PAGE_SIZE); |
45 | DATA_DATA | 57 | *(.data.page_aligned) |
46 | CONSTRUCTORS | 58 | |
59 | __nosave_begin = .; | ||
60 | *(.data.nosave) | ||
61 | . = ALIGN(PAGE_SIZE); | ||
62 | __nosave_end = .; | ||
63 | |||
64 | DATA_DATA | ||
65 | CONSTRUCTORS | ||
47 | } | 66 | } |
48 | 67 | ||
49 | . = ALIGN(PAGE_SIZE); | 68 | _edata = .; /* End of data section */ |
50 | .data.page_aligned : { *(.data.page_aligned) } | ||
51 | __nosave_begin = .; | ||
52 | .data_nosave : { *(.data.nosave) } | ||
53 | . = ALIGN(PAGE_SIZE); | ||
54 | __nosave_end = .; | ||
55 | |||
56 | PERCPU(PAGE_SIZE) | ||
57 | |||
58 | . = ALIGN(L1_CACHE_BYTES); | ||
59 | .data.cacheline_aligned : { *(.data.cacheline_aligned) } | ||
60 | |||
61 | _edata = .; /* End of data section */ | ||
62 | |||
63 | . = ALIGN(THREAD_SIZE); /* init_task */ | ||
64 | .data.init_task : { *(.data.init_task) } | ||
65 | |||
66 | . = ALIGN(PAGE_SIZE); /* Init code and data */ | ||
67 | __init_begin = .; | ||
68 | _sinittext = .; | ||
69 | .init.text : { *(.init.text) } | ||
70 | _einittext = .; | ||
71 | .init.data : { *(.init.data) } | ||
72 | . = ALIGN(16); | ||
73 | __setup_start = .; | ||
74 | .init.setup : { *(.init.setup) } | ||
75 | __setup_end = .; | ||
76 | __initcall_start = .; | ||
77 | .initcall.init : { | ||
78 | INITCALLS | ||
79 | } | ||
80 | __initcall_end = .; | ||
81 | __con_initcall_start = .; | ||
82 | .con_initcall.init : { *(.con_initcall.init) } | ||
83 | __con_initcall_end = .; | ||
84 | SECURITY_INIT | ||
85 | |||
86 | /* .exit.text is discarded at runtime, not link time, to deal with | ||
87 | references from .rodata */ | ||
88 | .exit.text : { *(.exit.text) } | ||
89 | .exit.data : { *(.exit.data) } | ||
90 | 69 | ||
91 | #ifdef CONFIG_BLK_DEV_INITRD | 70 | . = ALIGN(PAGE_SIZE); /* Init code and data */ |
92 | . = ALIGN(PAGE_SIZE); | 71 | __init_begin = .; |
72 | _sinittext = .; | ||
73 | .init.text : { *(.init.text) } | ||
74 | _einittext = .; | ||
75 | .init.data : { *(.init.data) } | ||
93 | 76 | ||
94 | __initramfs_start = .; | 77 | . = ALIGN(16); |
95 | .init.ramfs : { *(.init.ramfs) } | 78 | __setup_start = .; |
96 | __initramfs_end = .; | 79 | .init.setup : { *(.init.setup) } |
80 | __setup_end = .; | ||
81 | |||
82 | __initcall_start = .; | ||
83 | .initcall.init : { | ||
84 | INITCALLS | ||
85 | } | ||
86 | __initcall_end = .; | ||
87 | __con_initcall_start = .; | ||
88 | .con_initcall.init : { *(.con_initcall.init) } | ||
89 | __con_initcall_end = .; | ||
90 | |||
91 | SECURITY_INIT | ||
92 | |||
93 | #ifdef CONFIG_BLK_DEV_INITRD | ||
94 | . = ALIGN(PAGE_SIZE); | ||
95 | __initramfs_start = .; | ||
96 | .init.ramfs : { *(.init.ramfs) } | ||
97 | __initramfs_end = .; | ||
97 | #endif | 98 | #endif |
98 | 99 | ||
99 | . = ALIGN(4); | ||
100 | __machvec_start = .; | ||
101 | .machvec.init : { *(.machvec.init) } | ||
102 | __machvec_end = .; | ||
103 | |||
104 | . = ALIGN(PAGE_SIZE); | ||
105 | .bss : { | ||
106 | __init_end = .; | ||
107 | __bss_start = .; /* BSS */ | ||
108 | *(.bss.page_aligned) | ||
109 | *(.bss) | ||
110 | . = ALIGN(4); | 100 | . = ALIGN(4); |
111 | _ebss = .; /* uClinux MTD sucks */ | 101 | __machvec_start = .; |
112 | _end = . ; | 102 | .machvec.init : { *(.machvec.init) } |
113 | } | 103 | __machvec_end = .; |
114 | 104 | ||
115 | /* When something in the kernel is NOT compiled as a module, the | 105 | PERCPU(PAGE_SIZE) |
116 | * module cleanup code and data are put into these segments. Both | 106 | |
117 | * can then be thrown away, as cleanup code is never called unless | 107 | /* |
118 | * it's a module. | 108 | * .exit.text is discarded at runtime, not link time, to deal with |
119 | */ | 109 | * references from __bug_table |
120 | /DISCARD/ : { | 110 | */ |
121 | *(.exitcall.exit) | 111 | .exit.text : { *(.exit.text) } |
112 | .exit.data : { *(.exit.data) } | ||
113 | |||
114 | . = ALIGN(PAGE_SIZE); | ||
115 | .bss : { | ||
116 | __init_end = .; | ||
117 | __bss_start = .; /* BSS */ | ||
118 | *(.bss.page_aligned) | ||
119 | *(.bss) | ||
120 | *(COMMON) | ||
121 | . = ALIGN(4); | ||
122 | _ebss = .; /* uClinux MTD sucks */ | ||
123 | _end = . ; | ||
122 | } | 124 | } |
123 | 125 | ||
124 | STABS_DEBUG | 126 | /* |
127 | * When something in the kernel is NOT compiled as a module, the | ||
128 | * module cleanup code and data are put into these segments. Both | ||
129 | * can then be thrown away, as cleanup code is never called unless | ||
130 | * it's a module. | ||
131 | */ | ||
132 | /DISCARD/ : { | ||
133 | *(.exitcall.exit) | ||
134 | } | ||
125 | 135 | ||
126 | DWARF_DEBUG | 136 | STABS_DEBUG |
137 | DWARF_DEBUG | ||
127 | } | 138 | } |