xref: /netbsd-src/sys/arch/powerpc/conf/kern64.ldscript (revision 413d532bcc3f62d122e56d92e13ac64825a40baf)
1/* Default linker script, for normal executables */
2OUTPUT_FORMAT("elf64-powerpc", "elf64-powerpc",
3	      "elf64-powerpc")
4OUTPUT_ARCH(powerpc:common64)
5ENTRY(_start)
6SEARCH_DIR(/lib);
7SECTIONS
8{
9  /*  Read-only sections, merged into text segment.  Assumes the
10      kernel Makefile sets the start address via -Ttext.  */
11  .text      :
12  {
13    PROVIDE_HIDDEN (__eprol = .);
14    *(.text)
15    *(.text.unlikely .text.*_unlikely)
16    *(.text.exit .text.exit.*)
17    *(.text.startup .text.startup.*)
18    *(.text.hot .text.hot.*)
19    *(.text.* .gnu.linkonce.t.*)
20    __stub_start = .;
21    *(.stub)
22    __stub_end = .;
23    __stub_pmap_start = .;
24    *(.stub.pmap)
25    __stub_pmap_end = .;
26    /* .gnu.warning sections are handled specially by elf32.em.  */
27    *(.gnu.warning)
28    *(.glink)
29  } =0x60000000
30  _etext = .;
31  PROVIDE (__etext = .);
32  PROVIDE (_etext = .);
33  PROVIDE (etext = .);
34  .rodata         : { *(.rodata .rodata.* .gnu.linkonce.r.*) }
35  .rodata1        : { *(.rodata1) }
36  .sdata2         :
37  {
38    *(.sdata2 .sdata2.* .gnu.linkonce.s2.*)
39  }
40  .sbss2          : { *(.sbss2 .sbss2.* .gnu.linkonce.sb2.*) }
41  .jcr            : { KEEP (*(.jcr)) }
42  . = DATA_SEGMENT_RELRO_END (0, .);
43  .data           :
44  {
45    _fdata = .;
46    *(.data .data.* .gnu.linkonce.d.*)
47    SORT(CONSTRUCTORS)
48  }
49  .data1          : { *(.data1) }
50  .toc1		  : ALIGN(8) { *(.toc1) }
51  .opd		  : ALIGN(8) { KEEP (*(.opd)) }
52  .branch_lt	  : ALIGN(8) { *(.branch_lt) }
53  .got		: ALIGN(8) { *(.got .toc) }
54  /* We want the small data sections together, so single-instruction offsets
55     can access them all, and initialized data all before uninitialized, so
56     we can shorten the on-disk segment size.  */
57  . = ALIGN(64);	/* COHERENCY UNIT */
58  .data.cacheline_aligned	: { *(.data.cacheline_aligned) }
59  . = ALIGN(64);	/* COHERENCY UNIT */
60  .data.read_mostly		: { *(.data.read_mostly) }
61  . = ALIGN(64);	/* COHERENCY UNIT */
62  .sdata          :
63  {
64    *(.sdata .sdata.* .gnu.linkonce.s.*)
65  }
66  _edata = .; PROVIDE (edata = .);
67  __bss_start = .;
68  .tocbss	  : ALIGN(8) { *(.tocbss)}
69  .sbss           :
70  {
71    *(.dynsbss)
72    *(.sbss .sbss.* .gnu.linkonce.sb.*)
73    *(.scommon)
74  }
75  .plt            : { *(.plt) }
76  .iplt           : { *(.iplt) }
77  .bss            :
78  {
79   *(.dynbss)
80   *(.bss .bss.* .gnu.linkonce.b.*)
81   *(COMMON)
82   /* Align here to ensure that the .bss section occupies space up to
83      _end.  Align after .bss to ensure correct alignment even if the
84      .bss section disappears because there are no input sections.
85      FIXME: Why do we need it? When there is no .bss section, we don't
86      pad the .data section.  */
87   . = ALIGN(. != 0 ? 64 / 8 : 1);
88  }
89  . = ALIGN(64 / 8);
90  . = ALIGN(64 / 8);
91  _end = .; PROVIDE (end = .);
92  . = DATA_SEGMENT_END (.);
93  /* Stabs debugging sections.  */
94  .stab          0 : { *(.stab) }
95  .stabstr       0 : { *(.stabstr) }
96  .stab.excl     0 : { *(.stab.excl) }
97  .stab.exclstr  0 : { *(.stab.exclstr) }
98  .stab.index    0 : { *(.stab.index) }
99  .stab.indexstr 0 : { *(.stab.indexstr) }
100  .comment       0 : { *(.comment) }
101  /* DWARF debug sections.
102     Symbols in the DWARF debugging sections are relative to the beginning
103     of the section so we begin them at 0.  */
104  /* DWARF 1 */
105  .debug          0 : { *(.debug) }
106  .line           0 : { *(.line) }
107  /* GNU DWARF 1 extensions */
108  .debug_srcinfo  0 : { *(.debug_srcinfo) }
109  .debug_sfnames  0 : { *(.debug_sfnames) }
110  /* DWARF 1.1 and DWARF 2 */
111  .debug_aranges  0 : { *(.debug_aranges) }
112  .debug_pubnames 0 : { *(.debug_pubnames) }
113  /* DWARF 2 */
114  .debug_info     0 : { *(.debug_info .gnu.linkonce.wi.*) }
115  .debug_abbrev   0 : { *(.debug_abbrev) }
116  .debug_line     0 : { *(.debug_line) }
117  .debug_frame    0 : { *(.debug_frame) }
118  .debug_str      0 : { *(.debug_str) }
119  .debug_loc      0 : { *(.debug_loc) }
120  .debug_macinfo  0 : { *(.debug_macinfo) }
121  /* SGI/MIPS DWARF 2 extensions */
122  .debug_weaknames 0 : { *(.debug_weaknames) }
123  .debug_funcnames 0 : { *(.debug_funcnames) }
124  .debug_typenames 0 : { *(.debug_typenames) }
125  .debug_varnames  0 : { *(.debug_varnames) }
126  /* DWARF 3 */
127  .debug_pubtypes 0 : { *(.debug_pubtypes) }
128  .debug_ranges   0 : { *(.debug_ranges) }
129  .gnu.attributes 0 : { KEEP (*(.gnu.attributes)) }
130  /DISCARD/ : { *(.note.GNU-stack) *(.gnu_debuglink) *(.gnu.lto_*) }
131}
132