kern.ldscript revision 1.13 
1/*	$NetBSD: kern.ldscript,v 1.13 2015/08/21 02:35:52 uebayasi Exp $	*/
2
3/*
4 * Kernel linker script for NetBSD/sparc64.  This script is based on
5 * elf64_sparc.xn, but puts _etext after all of the read-only sections.
6 */
7OUTPUT_FORMAT("elf64-sparc", "elf64-sparc",
8	      "elf64-sparc")
9OUTPUT_ARCH(sparc:v9)
10ENTRY(_start)
11/* Do we need any of these for elf?
12   __DYNAMIC = 0;    */
13SECTIONS
14{
15  /* Read-only sections, merged into text segment: */
16  . = 0x100000 + SIZEOF_HEADERS;
17  .interp     : { *(.interp) 	}
18  .hash          : { *(.hash)		}
19  .dynsym        : { *(.dynsym)		}
20  .dynstr        : { *(.dynstr)		}
21  .gnu.version   : { *(.gnu.version)	}
22  .gnu.version_d   : { *(.gnu.version_d)	}
23  .gnu.version_r   : { *(.gnu.version_r)	}
24  .rel.text      :
25    { *(.rel.text) *(.rel.gnu.linkonce.t*) }
26  .rela.text     :
27    { *(.rela.text) *(.rela.gnu.linkonce.t*) }
28  .rel.data      :
29    { *(.rel.data) *(.rel.gnu.linkonce.d*) }
30  .rela.data     :
31    { *(.rela.data) *(.rela.gnu.linkonce.d*) }
32  .rel.rodata    :
33    { *(.rel.rodata) *(.rel.gnu.linkonce.r*) }
34  .rela.rodata   :
35    { *(.rela.rodata) *(.rela.gnu.linkonce.r*) }
36  .rel.got       : { *(.rel.got)		}
37  .rela.got      : { *(.rela.got)		}
38  .rel.ctors     : { *(.rel.ctors)	}
39  .rela.ctors    : { *(.rela.ctors)	}
40  .rel.dtors     : { *(.rel.dtors)	}
41  .rela.dtors    : { *(.rela.dtors)	}
42  .rel.init      : { *(.rel.init)	}
43  .rela.init     : { *(.rela.init)	}
44  .rel.fini      : { *(.rel.fini)	}
45  .rela.fini     : { *(.rela.fini)	}
46  .rel.bss       : { *(.rel.bss)		}
47  .rela.bss      : { *(.rela.bss)		}
48  .rel.plt       : { *(.rel.plt)		}
49  .rela.plt      : { *(.rela.plt)		}
50  .init          : { *(.init)	} =0x01000000
51  .text      :
52  {
53    *(.text)
54    *(.stub)
55    /* .gnu.warning sections are handled specially by elf32.em.  */
56    *(.gnu.warning)
57    *(.gnu.linkonce.t*)
58  } =0x01000000
59  .fini      : { *(.fini)    } =0x01000000
60  .rodata    : { *(.rodata) *(.gnu.linkonce.r*) }
61  .rodata1   : { *(.rodata1) }
62  _etext = .;
63  PROVIDE (etext = .);
64  /* Adjust the address for the data segment.  We push the data segment
65     up to the next 4MB boundary so that we can map the text with large
66     pages. */
67  . = ALIGN(0x400000);
68  kernel_data_start = .;
69  .data    :
70  {
71    *(.data)
72    *(.gnu.linkonce.d*)
73    CONSTRUCTORS
74  }
75  .data1   : { *(.data1) }
76  . = ALIGN(64);	/* COHERENCY_UNIT */
77  .data.cacheline_aligned	: { *(.data.cacheline_aligned) }
78  . = ALIGN(64);	/* COHERENCY_UNIT */
79  .data.read_mostly		: { *(.data.read_mostly) }
80  . = ALIGN(64);	/* COHERENCY_UNIT */
81  .ctors         :
82  {
83    *(.ctors)
84  }
85  .dtors         :
86  {
87    *(.dtors)
88  }
89  .plt      : { *(.plt)	}
90  .got           : { *(.got.plt) *(.got) }
91  .dynamic       : { *(.dynamic) }
92  /* We want the small data sections together, so single-instruction offsets
93     can access them all, and initialized data all before uninitialized, so
94     we can shorten the on-disk segment size.  */
95  .sdata     : { *(.sdata) }
96  _edata  =  .;
97  PROVIDE (edata = .);
98  __bss_start = .;
99  .sbss      : { *(.sbss) *(.scommon) }
100  .bss       :
101  {
102    *(.dynbss)
103    *(.bss)
104    *(COMMON)
105  }
106  . = ALIGN(64 / 8);
107  _end = . ;
108  PROVIDE (end = .);
109  /* Stabs debugging sections.  */
110  .stab 0 : { *(.stab) }
111  .stabstr 0 : { *(.stabstr) }
112  .stab.excl 0 : { *(.stab.excl) }
113  .stab.exclstr 0 : { *(.stab.exclstr) }
114  .stab.index 0 : { *(.stab.index) }
115  .stab.indexstr 0 : { *(.stab.indexstr) }
116  .comment 0 : { *(.comment) }
117  /* DWARF debug sections.
118     Symbols in the DWARF debugging sections are relative to the beginning
119     of the section so we begin them at 0.  */
120  /* DWARF 1 */
121  .debug          0 : { *(.debug) }
122  .line           0 : { *(.line) }
123  /* GNU DWARF 1 extensions */
124  .debug_srcinfo  0 : { *(.debug_srcinfo) }
125  .debug_sfnames  0 : { *(.debug_sfnames) }
126  /* DWARF 1.1 and DWARF 2 */
127  .debug_aranges  0 : { *(.debug_aranges) }
128  .debug_pubnames 0 : { *(.debug_pubnames) }
129  /* DWARF 2 */
130  .debug_info     0 : { *(.debug_info) }
131  .debug_abbrev   0 : { *(.debug_abbrev) }
132  .debug_line     0 : { *(.debug_line) }
133  .debug_frame    0 : { *(.debug_frame) }
134  .debug_str      0 : { *(.debug_str) }
135  .debug_loc      0 : { *(.debug_loc) }
136  .debug_macinfo  0 : { *(.debug_macinfo) }
137  /* SGI/MIPS DWARF 2 extensions */
138  .debug_weaknames 0 : { *(.debug_weaknames) }
139  .debug_funcnames 0 : { *(.debug_funcnames) }
140  .debug_typenames 0 : { *(.debug_typenames) }
141  .debug_varnames  0 : { *(.debug_varnames) }
142  /* These must appear regardless of  .  */
143  .note.netbsd.ident :
144  {
145    KEEP(*(.note.netbsd.ident));
146  }
147}
148