xref: /netbsd-src/sys/arch/ofppc/stand/ofwboot/ldscript (revision dc6a7fd211b7bd650db618f3f3b3133bf62dfb02)
1*dc6a7fd2Sgarbled/* $NetBSD: ldscript,v 1.1 2008/02/13 20:11:38 garbled Exp $ */
2*dc6a7fd2Sgarbled
3*dc6a7fd2Sgarbled/* This only differs from the stock one by the addition of the text name
4*dc6a7fd2Sgarbled   and the addition of the PHDRS section.
5*dc6a7fd2Sgarbled*/
6*dc6a7fd2Sgarbled/* Script for -N: mix text and data on same page; don't align data */
7*dc6a7fd2SgarbledOUTPUT_FORMAT("elf32-powerpc", "elf32-powerpc",
8*dc6a7fd2Sgarbled	      "elf32-powerpc")
9*dc6a7fd2SgarbledOUTPUT_ARCH(powerpc:common)
10*dc6a7fd2SgarbledENTRY(_start)
11*dc6a7fd2SgarbledSEARCH_DIR("/usr/src/tools/ppc-hack/powerpc--netbsd/lib");
12*dc6a7fd2Sgarbled/* Do we need any of these for elf?
13*dc6a7fd2Sgarbled   __DYNAMIC = 0;    */
14*dc6a7fd2SgarbledPROVIDE (__stack = 0); PROVIDE (___stack = 0);
15*dc6a7fd2SgarbledPHDRS
16*dc6a7fd2Sgarbled{
17*dc6a7fd2Sgarbled/* headers PT_PHDR PHDRS ;*/
18*dc6a7fd2Sgarbled text PT_LOAD;
19*dc6a7fd2Sgarbled text PT_NOTE;
20*dc6a7fd2Sgarbled}
21*dc6a7fd2SgarbledSECTIONS
22*dc6a7fd2Sgarbled{
23*dc6a7fd2Sgarbled  /* Read-only sections, merged into text segment: */
24*dc6a7fd2Sgarbled  PROVIDE (__executable_start = 0x0); . = 0x0 + SIZEOF_HEADERS;
25*dc6a7fd2Sgarbled  .interp         : { *(.interp) }
26*dc6a7fd2Sgarbled  .hash           : { *(.hash) }
27*dc6a7fd2Sgarbled  .dynsym         : { *(.dynsym) }
28*dc6a7fd2Sgarbled  .dynstr         : { *(.dynstr) }
29*dc6a7fd2Sgarbled  .gnu.version    : { *(.gnu.version) }
30*dc6a7fd2Sgarbled  .gnu.version_d  : { *(.gnu.version_d) }
31*dc6a7fd2Sgarbled  .gnu.version_r  : { *(.gnu.version_r) }
32*dc6a7fd2Sgarbled  .rel.init       : { *(.rel.init) }
33*dc6a7fd2Sgarbled  .rela.init      : { *(.rela.init) }
34*dc6a7fd2Sgarbled  .rel.text       : { *(.rel.text .rel.text.* .rel.gnu.linkonce.t.*) }
35*dc6a7fd2Sgarbled  .rela.text      : { *(.rela.text .rela.text.* .rela.gnu.linkonce.t.*) }
36*dc6a7fd2Sgarbled  .rel.fini       : { *(.rel.fini) }
37*dc6a7fd2Sgarbled  .rela.fini      : { *(.rela.fini) }
38*dc6a7fd2Sgarbled  .rel.rodata     : { *(.rel.rodata .rel.rodata.* .rel.gnu.linkonce.r.*) }
39*dc6a7fd2Sgarbled  .rela.rodata    : { *(.rela.rodata .rela.rodata.* .rela.gnu.linkonce.r.*) }
40*dc6a7fd2Sgarbled  .rel.data.rel.ro   : { *(.rel.data.rel.ro*) }
41*dc6a7fd2Sgarbled  .rela.data.rel.ro   : { *(.rel.data.rel.ro*) }
42*dc6a7fd2Sgarbled  .rel.data       : { *(.rel.data .rel.data.* .rel.gnu.linkonce.d.*) }
43*dc6a7fd2Sgarbled  .rela.data      : { *(.rela.data .rela.data.* .rela.gnu.linkonce.d.*) }
44*dc6a7fd2Sgarbled  .rel.tdata	  : { *(.rel.tdata .rel.tdata.* .rel.gnu.linkonce.td.*) }
45*dc6a7fd2Sgarbled  .rela.tdata	  : { *(.rela.tdata .rela.tdata.* .rela.gnu.linkonce.td.*) }
46*dc6a7fd2Sgarbled  .rel.tbss	  : { *(.rel.tbss .rel.tbss.* .rel.gnu.linkonce.tb.*) }
47*dc6a7fd2Sgarbled  .rela.tbss	  : { *(.rela.tbss .rela.tbss.* .rela.gnu.linkonce.tb.*) }
48*dc6a7fd2Sgarbled  .rel.ctors      : { *(.rel.ctors) }
49*dc6a7fd2Sgarbled  .rela.ctors     : { *(.rela.ctors) }
50*dc6a7fd2Sgarbled  .rel.dtors      : { *(.rel.dtors) }
51*dc6a7fd2Sgarbled  .rela.dtors     : { *(.rela.dtors) }
52*dc6a7fd2Sgarbled  .rel.got        : { *(.rel.got) }
53*dc6a7fd2Sgarbled  .rela.got       : { *(.rela.got) }
54*dc6a7fd2Sgarbled  .rela.got1           : { *(.rela.got1) }
55*dc6a7fd2Sgarbled  .rela.got2           : { *(.rela.got2) }
56*dc6a7fd2Sgarbled  .rel.sdata      : { *(.rel.sdata .rel.sdata.* .rel.gnu.linkonce.s.*) }
57*dc6a7fd2Sgarbled  .rela.sdata     : { *(.rela.sdata .rela.sdata.* .rela.gnu.linkonce.s.*) }
58*dc6a7fd2Sgarbled  .rel.sbss       : { *(.rel.sbss .rel.sbss.* .rel.gnu.linkonce.sb.*) }
59*dc6a7fd2Sgarbled  .rela.sbss      : { *(.rela.sbss .rela.sbss.* .rela.gnu.linkonce.sb.*) }
60*dc6a7fd2Sgarbled  .rel.sdata2     : { *(.rel.sdata2 .rel.sdata2.* .rel.gnu.linkonce.s2.*) }
61*dc6a7fd2Sgarbled  .rela.sdata2    : { *(.rela.sdata2 .rela.sdata2.* .rela.gnu.linkonce.s2.*) }
62*dc6a7fd2Sgarbled  .rel.sbss2      : { *(.rel.sbss2 .rel.sbss2.* .rel.gnu.linkonce.sb2.*) }
63*dc6a7fd2Sgarbled  .rela.sbss2     : { *(.rela.sbss2 .rela.sbss2.* .rela.gnu.linkonce.sb2.*) }
64*dc6a7fd2Sgarbled  .rel.bss        : { *(.rel.bss .rel.bss.* .rel.gnu.linkonce.b.*) }
65*dc6a7fd2Sgarbled  .rela.bss       : { *(.rela.bss .rela.bss.* .rela.gnu.linkonce.b.*) }
66*dc6a7fd2Sgarbled  .rel.plt        : { *(.rel.plt) }
67*dc6a7fd2Sgarbled  .rela.plt       : { *(.rela.plt) }
68*dc6a7fd2Sgarbled  .init           :
69*dc6a7fd2Sgarbled  {
70*dc6a7fd2Sgarbled    KEEP (*(.init))
71*dc6a7fd2Sgarbled  } =0
72*dc6a7fd2Sgarbled  .text           :
73*dc6a7fd2Sgarbled  {
74*dc6a7fd2Sgarbled    *(.text .stub .text.* .gnu.linkonce.t.*)
75*dc6a7fd2Sgarbled    KEEP (*(.text.*personality*))
76*dc6a7fd2Sgarbled    /* .gnu.warning sections are handled specially by elf32.em.  */
77*dc6a7fd2Sgarbled    *(.gnu.warning)
78*dc6a7fd2Sgarbled  } :text
79*dc6a7fd2Sgarbled  .fini           :
80*dc6a7fd2Sgarbled  {
81*dc6a7fd2Sgarbled    KEEP (*(.fini))
82*dc6a7fd2Sgarbled  } =0
83*dc6a7fd2Sgarbled  PROVIDE (__etext = .);
84*dc6a7fd2Sgarbled  PROVIDE (_etext = .);
85*dc6a7fd2Sgarbled  PROVIDE (etext = .);
86*dc6a7fd2Sgarbled  .rodata         : { *(.rodata .rodata.* .gnu.linkonce.r.*) }
87*dc6a7fd2Sgarbled  .rodata1        : { *(.rodata1) }
88*dc6a7fd2Sgarbled  .sdata2         : { *(.sdata2 .sdata2.* .gnu.linkonce.s2.*) }
89*dc6a7fd2Sgarbled  .sbss2          : { *(.sbss2 .sbss2.* .gnu.linkonce.sb2.*) }
90*dc6a7fd2Sgarbled  .eh_frame_hdr : { *(.eh_frame_hdr) }
91*dc6a7fd2Sgarbled  .eh_frame       : ONLY_IF_RO { KEEP (*(.eh_frame)) }
92*dc6a7fd2Sgarbled  .gcc_except_table   : ONLY_IF_RO { KEEP (*(.gcc_except_table)) *(.gcc_except_table.*) }
93*dc6a7fd2Sgarbled  /* Adjust the address for the data segment.  We want to adjust up to
94*dc6a7fd2Sgarbled     the same address within the page on the next page up.  */
95*dc6a7fd2Sgarbled  . = .;
96*dc6a7fd2Sgarbled  /* Exception handling  */
97*dc6a7fd2Sgarbled  .eh_frame       : ONLY_IF_RW { KEEP (*(.eh_frame)) }
98*dc6a7fd2Sgarbled  .gcc_except_table   : ONLY_IF_RW { KEEP (*(.gcc_except_table)) *(.gcc_except_table.*) }
99*dc6a7fd2Sgarbled  /* Thread Local Storage sections  */
100*dc6a7fd2Sgarbled  .tdata	  : { *(.tdata .tdata.* .gnu.linkonce.td.*) }
101*dc6a7fd2Sgarbled  .tbss		  : { *(.tbss .tbss.* .gnu.linkonce.tb.*) *(.tcommon) }
102*dc6a7fd2Sgarbled  /* Ensure the __preinit_array_start label is properly aligned.  We
103*dc6a7fd2Sgarbled     could instead move the label definition inside the section, but
104*dc6a7fd2Sgarbled     the linker would then create the section even if it turns out to
105*dc6a7fd2Sgarbled     be empty, which isn't pretty.  */
106*dc6a7fd2Sgarbled  . = ALIGN(32 / 8);
107*dc6a7fd2Sgarbled  PROVIDE (__preinit_array_start = .);
108*dc6a7fd2Sgarbled  .preinit_array     : { KEEP (*(.preinit_array)) }
109*dc6a7fd2Sgarbled  PROVIDE (__preinit_array_end = .);
110*dc6a7fd2Sgarbled  PROVIDE (__init_array_start = .);
111*dc6a7fd2Sgarbled  .init_array     : { KEEP (*(.init_array)) }
112*dc6a7fd2Sgarbled  PROVIDE (__init_array_end = .);
113*dc6a7fd2Sgarbled  PROVIDE (__fini_array_start = .);
114*dc6a7fd2Sgarbled  .fini_array     : { KEEP (*(.fini_array)) }
115*dc6a7fd2Sgarbled  PROVIDE (__fini_array_end = .);
116*dc6a7fd2Sgarbled  .ctors          :
117*dc6a7fd2Sgarbled  {
118*dc6a7fd2Sgarbled    /* gcc uses crtbegin.o to find the start of
119*dc6a7fd2Sgarbled       the constructors, so we make sure it is
120*dc6a7fd2Sgarbled       first.  Because this is a wildcard, it
121*dc6a7fd2Sgarbled       doesn't matter if the user does not
122*dc6a7fd2Sgarbled       actually link against crtbegin.o; the
123*dc6a7fd2Sgarbled       linker won't look for a file to match a
124*dc6a7fd2Sgarbled       wildcard.  The wildcard also means that it
125*dc6a7fd2Sgarbled       doesn't matter which directory crtbegin.o
126*dc6a7fd2Sgarbled       is in.  */
127*dc6a7fd2Sgarbled    KEEP (*crtbegin*.o(.ctors))
128*dc6a7fd2Sgarbled    /* We don't want to include the .ctor section from
129*dc6a7fd2Sgarbled       from the crtend.o file until after the sorted ctors.
130*dc6a7fd2Sgarbled       The .ctor section from the crtend file contains the
131*dc6a7fd2Sgarbled       end of ctors marker and it must be last */
132*dc6a7fd2Sgarbled    KEEP (*(EXCLUDE_FILE (*crtend*.o ) .ctors))
133*dc6a7fd2Sgarbled    KEEP (*(SORT(.ctors.*)))
134*dc6a7fd2Sgarbled    KEEP (*(.ctors))
135*dc6a7fd2Sgarbled  }
136*dc6a7fd2Sgarbled  .dtors          :
137*dc6a7fd2Sgarbled  {
138*dc6a7fd2Sgarbled    KEEP (*crtbegin*.o(.dtors))
139*dc6a7fd2Sgarbled    KEEP (*(EXCLUDE_FILE (*crtend*.o ) .dtors))
140*dc6a7fd2Sgarbled    KEEP (*(SORT(.dtors.*)))
141*dc6a7fd2Sgarbled    KEEP (*(.dtors))
142*dc6a7fd2Sgarbled  }
143*dc6a7fd2Sgarbled  .jcr            : { KEEP (*(.jcr)) }
144*dc6a7fd2Sgarbled  .data.rel.ro : { *(.data.rel.ro.local) *(.data.rel.ro*) }
145*dc6a7fd2Sgarbled  .fixup          : { *(.fixup) }
146*dc6a7fd2Sgarbled  .got1           : { *(.got1) }
147*dc6a7fd2Sgarbled  .got2           : { *(.got2) }
148*dc6a7fd2Sgarbled  .dynamic        : { *(.dynamic) }
149*dc6a7fd2Sgarbled  .data           :
150*dc6a7fd2Sgarbled  {
151*dc6a7fd2Sgarbled    *(.data .data.* .gnu.linkonce.d.*)
152*dc6a7fd2Sgarbled    KEEP (*(.gnu.linkonce.d.*personality*))
153*dc6a7fd2Sgarbled    SORT(CONSTRUCTORS)
154*dc6a7fd2Sgarbled  }
155*dc6a7fd2Sgarbled  .data1          : { *(.data1) }
156*dc6a7fd2Sgarbled  .got            : { *(.got.plt) *(.got) }
157*dc6a7fd2Sgarbled  /* We want the small data sections together, so single-instruction offsets
158*dc6a7fd2Sgarbled     can access them all, and initialized data all before uninitialized, so
159*dc6a7fd2Sgarbled     we can shorten the on-disk segment size.  */
160*dc6a7fd2Sgarbled  .sdata          :
161*dc6a7fd2Sgarbled  {
162*dc6a7fd2Sgarbled    *(.sdata .sdata.* .gnu.linkonce.s.*)
163*dc6a7fd2Sgarbled  }
164*dc6a7fd2Sgarbled  _edata = .;
165*dc6a7fd2Sgarbled  PROVIDE (edata = .);
166*dc6a7fd2Sgarbled  __bss_start = .;
167*dc6a7fd2Sgarbled  .sbss           :
168*dc6a7fd2Sgarbled  {
169*dc6a7fd2Sgarbled    PROVIDE (__sbss_start = .);
170*dc6a7fd2Sgarbled    PROVIDE (___sbss_start = .);
171*dc6a7fd2Sgarbled    *(.dynsbss)
172*dc6a7fd2Sgarbled    *(.sbss .sbss.* .gnu.linkonce.sb.*)
173*dc6a7fd2Sgarbled    *(.scommon)
174*dc6a7fd2Sgarbled    PROVIDE (__sbss_end = .);
175*dc6a7fd2Sgarbled    PROVIDE (___sbss_end = .);
176*dc6a7fd2Sgarbled  }
177*dc6a7fd2Sgarbled  .plt            : { *(.plt) }
178*dc6a7fd2Sgarbled  .bss            :
179*dc6a7fd2Sgarbled  {
180*dc6a7fd2Sgarbled   *(.dynbss)
181*dc6a7fd2Sgarbled   *(.bss .bss.* .gnu.linkonce.b.*)
182*dc6a7fd2Sgarbled   *(COMMON)
183*dc6a7fd2Sgarbled   /* Align here to ensure that the .bss section occupies space up to
184*dc6a7fd2Sgarbled      _end.  Align after .bss to ensure correct alignment even if the
185*dc6a7fd2Sgarbled      .bss section disappears because there are no input sections.  */
186*dc6a7fd2Sgarbled   . = ALIGN(32 / 8);
187*dc6a7fd2Sgarbled  }
188*dc6a7fd2Sgarbled  . = ALIGN(32 / 8);
189*dc6a7fd2Sgarbled  _end = .;
190*dc6a7fd2Sgarbled  __end = .;
191*dc6a7fd2Sgarbled  PROVIDE (end = .);
192*dc6a7fd2Sgarbled  /* Stabs debugging sections.  */
193*dc6a7fd2Sgarbled  .stab          0 : { *(.stab) }
194*dc6a7fd2Sgarbled  .stabstr       0 : { *(.stabstr) }
195*dc6a7fd2Sgarbled  .stab.excl     0 : { *(.stab.excl) }
196*dc6a7fd2Sgarbled  .stab.exclstr  0 : { *(.stab.exclstr) }
197*dc6a7fd2Sgarbled  .stab.index    0 : { *(.stab.index) }
198*dc6a7fd2Sgarbled  .stab.indexstr 0 : { *(.stab.indexstr) }
199*dc6a7fd2Sgarbled  .comment       0 : { *(.comment) }
200*dc6a7fd2Sgarbled  /* DWARF debug sections.
201*dc6a7fd2Sgarbled     Symbols in the DWARF debugging sections are relative to the beginning
202*dc6a7fd2Sgarbled     of the section so we begin them at 0.  */
203*dc6a7fd2Sgarbled  /* DWARF 1 */
204*dc6a7fd2Sgarbled  .debug          0 : { *(.debug) }
205*dc6a7fd2Sgarbled  .line           0 : { *(.line) }
206*dc6a7fd2Sgarbled  /* GNU DWARF 1 extensions */
207*dc6a7fd2Sgarbled  .debug_srcinfo  0 : { *(.debug_srcinfo) }
208*dc6a7fd2Sgarbled  .debug_sfnames  0 : { *(.debug_sfnames) }
209*dc6a7fd2Sgarbled  /* DWARF 1.1 and DWARF 2 */
210*dc6a7fd2Sgarbled  .debug_aranges  0 : { *(.debug_aranges) }
211*dc6a7fd2Sgarbled  .debug_pubnames 0 : { *(.debug_pubnames) }
212*dc6a7fd2Sgarbled  /* DWARF 2 */
213*dc6a7fd2Sgarbled  .debug_info     0 : { *(.debug_info .gnu.linkonce.wi.*) }
214*dc6a7fd2Sgarbled  .debug_abbrev   0 : { *(.debug_abbrev) }
215*dc6a7fd2Sgarbled  .debug_line     0 : { *(.debug_line) }
216*dc6a7fd2Sgarbled  .debug_frame    0 : { *(.debug_frame) }
217*dc6a7fd2Sgarbled  .debug_str      0 : { *(.debug_str) }
218*dc6a7fd2Sgarbled  .debug_loc      0 : { *(.debug_loc) }
219*dc6a7fd2Sgarbled  .debug_macinfo  0 : { *(.debug_macinfo) }
220*dc6a7fd2Sgarbled  /* SGI/MIPS DWARF 2 extensions */
221*dc6a7fd2Sgarbled  .debug_weaknames 0 : { *(.debug_weaknames) }
222*dc6a7fd2Sgarbled  .debug_funcnames 0 : { *(.debug_funcnames) }
223*dc6a7fd2Sgarbled  .debug_typenames 0 : { *(.debug_typenames) }
224*dc6a7fd2Sgarbled  .debug_varnames  0 : { *(.debug_varnames) }
225*dc6a7fd2Sgarbled  /DISCARD/ : { *(.note.GNU-stack) }
226*dc6a7fd2Sgarbled}
227