source: mainline/kernel/arch/ppc32/_link.ld.in

Last change on this file was 6677acb, checked in by Jiří Zárevúcky <zarevucky.jiri@…>, 19 months ago

Emit .text/.data/.eh_frame sections in kernel ELF files

Gives tools like objdump an easier time interpreting contents of
the file, and allows kernel to find .eh_frame_hdr since the linker
emits a program header for it when it's present under the standard
name.

  • Property mode set to 100644
File size: 2.4 KB
Line 
1/** PPC32 linker script
2 *
3 * umapped section:
4 * kernel text
5 * kernel data
6 * mapped section:
7 * kernel text
8 * kernel data
9 *
10 */
11
12#include <arch/boot/boot.h>
13#include <arch/mm/page.h>
14
15ENTRY(kernel_image_start)
16OUTPUT_FORMAT("elf32-powerpc")
17OUTPUT_ARCH("powerpc:common")
18
19SECTIONS {
20 kernel_load_address = PA2KA(0);
21
22 .unmapped (SIZEOF_HEADERS): AT (SIZEOF_HEADERS) {
23 . = ALIGN(0x100);
24 KEEP(*(K_UNMAPPED_TEXT_START));
25 }
26
27 .text PA2KA(BOOT_OFFSET): AT (BOOT_OFFSET) {
28 ktext_start = .;
29 KEEP(*(K_TEXT_START));
30 *(.text .text.*);
31 ktext_end = .;
32 }
33
34 /* stack unwinding data */
35 .eh_frame_hdr : {
36 eh_frame_hdr_start = .;
37 *(.eh_frame_hdr) *(.eh_frame_entry .eh_frame_entry.*);
38 eh_frame_hdr_end = .;
39 }
40
41 .eh_frame : {
42 eh_frame_start = .;
43 KEEP(*(.eh_frame .eh_frame.*));
44 eh_frame_end = .;
45 }
46
47 .data : {
48 kdata_start = .;
49 KEEP(*(K_DATA_START));
50 *(.rodata .rodata.*);
51 *(.data .data.*); /* initialized data */
52 *(.sdata .sdata.*);
53 *(.sdata2 .sdata2.*);
54 *(.sbss .sbss.*);
55 *(.bss .bss.*); /* uninitialized static variables */
56 *(COMMON); /* global variables */
57 kdata_end = .;
58 }
59
60 .comment 0 : { *(.comment); }
61 .debug_abbrev 0 : { *(.debug_abbrev); }
62 .debug_abbrev.dwo 0 : { *( .debug_abbrev.dwo); }
63 .debug_addr 0 : { *(.debug_addr); }
64 .debug_aranges 0 : { *(.debug_aranges); }
65 .debug_cu_index 0 : { *(.debug_cu_index); }
66 .debug_frame 0 : { *(.debug_frame); }
67 .debug_frame_hdr 0 : { *(.debug_frame_hdr); }
68 .debug_info 0 : { *(.debug_info); }
69 .debug_info.dwo 0 : { *(.debug_info.dwo); }
70 .debug_line 0 : { *(.debug_line); }
71 .debug_line.dwo 0 : { *(.debug_line.dwo); }
72 .debug_line_str 0 : { *(.debug_line_str); }
73 .debug_loc 0 : { *(.debug_loc); }
74 .debug_loclists 0 : { *(.debug_loclists); }
75 .debug_loclists.dwo 0 : { *(.debug_loclists.dwo); }
76 .debug_macinfo 0 : { *(.debug_macinfo); }
77 .debug_macro 0 : { *(.debug_macro); }
78 .debug_macro.dwo 0 : { *(.debug_macro.dwo); }
79 .debug_names 0 : { *(.debug_names); }
80 .debug_pubnames 0 : { *(.debug_pubnames); }
81 .debug_pubtypes 0 : { *(.debug_pubtypes); }
82 .debug_ranges 0 : { *(.debug_ranges); }
83 .debug_rnglists 0 : { *(.debug_rnglists); }
84 .debug_str 0 : { *(.debug_str); }
85 .debug_str.dwo 0 : { *(.debug_str.dwo); }
86 .debug_str_offsets 0 : { *(.debug_str_offsets); }
87 .debug_str_offsets.dwo 0 : { *(.debug_str_offsets.dwo); }
88 .debug_tu_index 0 : { *(.debug_tu_index); }
89 .debug_types 0 : { *(.debug_types); }
90
91 /DISCARD/ : {
92 *(*);
93 }
94}
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