1 //==========================================================================
5 // Linker script for the synthetic target
7 //==========================================================================
8 //####ECOSGPLCOPYRIGHTBEGIN####
9 // -------------------------------------------
10 // This file is part of eCos, the Embedded Configurable Operating System.
11 // Copyright (C) 2005 Bart Veer
12 // Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
14 // eCos is free software; you can redistribute it and/or modify it under
15 // the terms of the GNU General Public License as published by the Free
16 // Software Foundation; either version 2 or (at your option) any later version.
18 // eCos is distributed in the hope that it will be useful, but WITHOUT ANY
19 // WARRANTY; without even the implied warranty of MERCHANTABILITY or
20 // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
23 // You should have received a copy of the GNU General Public License along
24 // with eCos; if not, write to the Free Software Foundation, Inc.,
25 // 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
27 // As a special exception, if other files instantiate templates or use macros
28 // or inline functions from this file, or you compile this file and link it
29 // with other works to produce a work based on this file, this file does not
30 // by itself cause the resulting work to be covered by the GNU General Public
31 // License. However the source code for this file must still be made available
32 // in accordance with section (3) of the GNU General Public License.
34 // This exception does not invalidate any other reasons why a work based on
35 // this file might be covered by the GNU General Public License.
37 // Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.
38 // at http://sources.redhat.com/ecos/ecos-license/
39 // -------------------------------------------
40 //####ECOSGPLCOPYRIGHTEND####
41 //==========================================================================
42 //#####DESCRIPTIONBEGIN####
45 // Contributors:jskov, bartv
47 // Purpose: synthetic target linker script
49 //####DESCRIPTIONEND####
51 //==========================================================================
58 GROUP(libtarget.a libgcc.a libsupc++.a libgcc_eh.a)
60 GROUP(libtarget.a libgcc.a)
64 #define FOLLOWING(_section_) AT ((LOADADDR (_section_) + SIZEOF (_section_) + ALIGN_LMA - 1) & ~ (ALIGN_LMA - 1))
66 #define FORCE_OUTPUT . = .
69 #define SECTIONS_BEGIN
71 #define SECTION_vectors(_region_, _vma_, _lma_) \
72 .vectors _vma_ : _lma_ \
73 { FORCE_OUTPUT; KEEP(*(.vectors)) } \
76 #define SECTION_text(_region_, _vma_, _lma_) \
79 *(.text*) *(.gnu.warning) *(.gnu.linkonce.t.*) *(.init) } \
81 _etext = .; PROVIDE (etext = .);
83 #define SECTION_fini(_region_, _vma_, _lma_) \
85 { FORCE_OUTPUT; *(.fini) } \
88 #define SECTION_rodata1(_region_, _vma_, _lma_) \
89 .rodata1 _vma_ : _lma_ \
90 { FORCE_OUTPUT; *(.rodata1) } \
93 #define SECTION_rodata(_region_, _vma_, _lma_) \
94 .rodata _vma_ : _lma_ \
95 { FORCE_OUTPUT; *(.rodata*) *(.gnu.linkonce.r.*) } \
98 #define SECTION_fixup(_region_, _vma_, _lma_) \
99 .fixup _vma_ : _lma_ \
100 { _FIXUP_START_ = ABSOLUTE(.); *(.fixup) _FIXUP_END_ = ABSOLUTE(.);} \
103 #define SECTION_gcc_except_table(_region_, _vma_, _lma_) \
104 .gcc_except_table _vma_ : _lma_ \
105 { _EXCEPT_START_ = ABSOLUTE(.); *(.gcc_except_table) \
106 _EXCEPT_END_ = ABSOLUTE(.);} \
109 #define SECTION_eh_frame(_region_, _vma_, _lma_) \
110 .eh_frame _vma_ : _lma_ \
112 FORCE_OUTPUT; __EH_FRAME_BEGIN__ = .; \
113 KEEP(*(.eh_frame*)) \
118 #define SECTION_RELOCS(_region_, _vma_, _lma_) \
123 *(.rel.gnu.linkonce.t*) \
129 *(.rela.gnu.linkonce.t*) \
135 *(.rel.gnu.linkonce.d*) \
141 *(.rela.gnu.linkonce.d*) \
147 *(.rel.gnu.linkonce.r*) \
153 *(.rela.gnu.linkonce.r*) \
155 .rel.got : { *(.rel.got) } > _region_ \
156 .rela.got : { *(.rela.got) } > _region_ \
157 .rel.ctors : { *(.rel.ctors) } > _region_ \
158 .rela.ctors : { *(.rela.ctors) } > _region_ \
159 .rel.dtors : { *(.rel.dtors) } > _region_ \
160 .rela.dtors : { *(.rela.dtors) } > _region_ \
161 .rel.init : { *(.rel.init) } > _region_ \
162 .rela.init : { *(.rela.init) } > _region_ \
163 .rel.fini : { *(.rel.fini) } > _region_ \
164 .rela.fini : { *(.rela.fini) } > _region_ \
165 .rel.bss : { *(.rel.bss) } > _region_ \
166 .rela.bss : { *(.rela.bss) } > _region_ \
167 .rel.plt : { *(.rel.plt) } > _region_ \
168 .rela.plt : { *(.rela.plt) } > _region_ \
169 .rel.dyn : { *(.rel.dyn) } > _region_
171 // Note: The __ in the name is an encoding of the .
172 #define SECTION_rel__got(_region_, _vma_, _lma_) \
173 .rel.got _vma_ : _lma_ \
177 #define SECTION_data(_region_, _vma_, _lma_) \
178 .data _vma_ : _lma_ \
179 { __ram_data_start = ABSOLUTE(.); *(.data*) *(.gnu.linkonce.d.*) \
180 _GOT1_START_ = ABSOLUTE(.); *(.got1) _GOT1_END_ = ABSOLUTE(.); \
181 /* Put .ctors and .dtors next to the .got2 section, so that */ \
182 /* the pointers get relocated with -mrelocatable. */ \
183 . = ALIGN(8); __CTOR_LIST__ = ABSOLUTE(.); \
184 KEEP(*(SORT(.ctors*))) __CTOR_END__ = ABSOLUTE(.); \
185 __DTOR_LIST__ = ABSOLUTE(.); \
186 KEEP(*(SORT(.dtors*))) __DTOR_END__ = ABSOLUTE(.); \
188 KEEP(*( SORT (.ecos.table.*))); \
189 _GOT2_START_ = ABSOLUTE(.); *(.got2) _GOT2_END_ = ABSOLUTE(.); \
190 _GOT_START_ = ABSOLUTE(.); _GLOBAL_OFFSET_TABLE_ = ABSOLUTE(. + 32768); \
191 _SDA_BASE_ = ABSOLUTE(.); *(.got.plt) *(.got) \
192 _GOT_END_ = ABSOLUTE(.); *(.dynamic) \
193 /* We want the small data sections together, so single-instruction */ \
194 /* offsets can access them all, and initialized data all before */ \
195 /* uninitialized, so we can shorten the on-disk segment size. */ \
196 _SDATA_START_ = ABSOLUTE(.); *(.sdata*) *(.gnu.linkonce.s.*) } \
198 __rom_data_start = LOADADDR(.data); \
199 __ram_data_end = .; PROVIDE(__ram_data_end = .); \
200 _edata = .; PROVIDE (edata = .);
202 #define SECTION_sbss(_region_, _vma_, _lma_) \
203 .sbss _vma_ : _lma_ \
204 { __bss_start = ABSOLUTE (.); \
205 _SBSS_START_ = ABSOLUTE(.); *(.sbss*) *(.gnu.linkonce.sb.*) \
206 _SBSS_END_ = ABSOLUTE(.); \
210 #define SECTION_bss(_region_, _vma_, _lma_) \
212 { FORCE_OUTPUT; *(.dynbss*) *(.bss*) *(COMMON) *(.gnu.linkonce.b.*) } \
216 #define SECTIONS_HEAP(_region_, _start_, _end_) \
217 .synth_heap _start_ : \
218 { FORCE_OUTPUT; . = _end_ - _start_ ; } \
221 #define SECTIONS_END . = ALIGN(4); _end = .; PROVIDE (end = .);
223 #include <pkgconf/system.h>
224 #include CYGHWR_MEMORY_LAYOUT_LDI