1 | OUTPUT_FORMAT("elf32-mt", "elf32-mt", "elf32-mt") |
---|
2 | OUTPUT_ARCH(mt) |
---|
3 | ENTRY(__boot_start) |
---|
4 | |
---|
5 | /* Do we need any of these for elf? |
---|
6 | __DYNAMIC = 0; */ |
---|
7 | MEMORY |
---|
8 | { |
---|
9 | ram (rwx) : ORIGIN = 0x0, LENGTH = 608K |
---|
10 | frame-buffer (w) : ORIGIN = 0xff000000, LENGTH = 80K |
---|
11 | dma-ram (w) : ORIGIN = 0x1000000, LENGTH = 16M-4K |
---|
12 | ports (w) : ORIGIN = 0xfffff000, LENGTH = 4K |
---|
13 | } |
---|
14 | SECTIONS |
---|
15 | { |
---|
16 | /* Read-only sections, merged into text segment: */ |
---|
17 | . = 0x0; |
---|
18 | PROVIDE(__executable_start = 0x0); |
---|
19 | .interp : { *(.interp) } |
---|
20 | .hash : { *(.hash) } |
---|
21 | .dynsym : { *(.dynsym) } |
---|
22 | .dynstr : { *(.dynstr) } |
---|
23 | .gnu.version : { *(.gnu.version) } |
---|
24 | .gnu.version_d : { *(.gnu.version_d) } |
---|
25 | .gnu.version_r : { *(.gnu.version_r) } |
---|
26 | .rel.init : { *(.rel.init) } |
---|
27 | .rela.init : { *(.rela.init) } |
---|
28 | .rel.text : { *(.rel.text .rel.text.* .rel.gnu.linkonce.t.*) } |
---|
29 | .rela.text : { *(.rela.text .rela.text.* .rela.gnu.linkonce.t.*) } |
---|
30 | .rel.fini : { *(.rel.fini) } |
---|
31 | .rela.fini : { *(.rela.fini) } |
---|
32 | .rel.rodata : { *(.rel.rodata .rel.rodata.* .rel.gnu.linkonce.r.*) } |
---|
33 | .rela.rodata : { *(.rela.rodata .rela.rodata.* .rela.gnu.linkonce.r.*) } |
---|
34 | .rel.data.rel.ro : { *(.rel.data.rel.ro*) } |
---|
35 | .rela.data.rel.ro : { *(.rela.data.rel.ro*) } |
---|
36 | .rel.data : { *(.rel.data .rel.data.* .rel.gnu.linkonce.d.*) } |
---|
37 | .rela.data : { *(.rela.data .rela.data.* .rela.gnu.linkonce.d.*) } |
---|
38 | .rel.tdata : { *(.rel.tdata .rel.tdata.* .rel.gnu.linkonce.td.*) } |
---|
39 | .rela.tdata : { *(.rela.tdata .rela.tdata.* .rela.gnu.linkonce.td.*) } |
---|
40 | .rel.tbss : { *(.rel.tbss .rel.tbss.* .rel.gnu.linkonce.tb.*) } |
---|
41 | .rela.tbss : { *(.rela.tbss .rela.tbss.* .rela.gnu.linkonce.tb.*) } |
---|
42 | .rel.ctors : { *(.rel.ctors) } |
---|
43 | .rela.ctors : { *(.rela.ctors) } |
---|
44 | .rel.dtors : { *(.rel.dtors) } |
---|
45 | .rela.dtors : { *(.rela.dtors) } |
---|
46 | .rel.got : { *(.rel.got) } |
---|
47 | .rela.got : { *(.rela.got) } |
---|
48 | .rel.sdata : { *(.rel.sdata .rel.sdata.* .rel.gnu.linkonce.s.*) } |
---|
49 | .rela.sdata : { *(.rela.sdata .rela.sdata.* .rela.gnu.linkonce.s.*) } |
---|
50 | .rel.sbss : { *(.rel.sbss .rel.sbss.* .rel.gnu.linkonce.sb.*) } |
---|
51 | .rela.sbss : { *(.rela.sbss .rela.sbss.* .rel.gnu.linkonce.sb.*) } |
---|
52 | .rel.sdata2 : { *(.rel.sdata2 .rel.sdata2.* .rel.gnu.linkonce.s2.*) } |
---|
53 | .rela.sdata2 : { *(.rela.sdata2 .rela.sdata2.* .rela.gnu.linkonce.s2.*) } |
---|
54 | .rel.sbss2 : { *(.rel.sbss2 .rel.sbss2.* .rel.gnu.linkonce.sb2.*) } |
---|
55 | .rela.sbss2 : { *(.rela.sbss2 .rela.sbss2.* .rela.gnu.linkonce.sb2.*) } |
---|
56 | .rel.bss : { *(.rel.bss .rel.bss.* .rel.gnu.linkonce.b.*) } |
---|
57 | .rela.bss : { *(.rela.bss .rela.bss.* .rela.gnu.linkonce.b.*) } |
---|
58 | .rel.plt : { *(.rel.plt) } |
---|
59 | .rela.plt : { *(.rela.plt) } |
---|
60 | |
---|
61 | .startup : { *startup-16-003.o(.startup) } >ram =0 |
---|
62 | . = 0x40; |
---|
63 | |
---|
64 | .init : { KEEP (*(.init)) } >ram =0 |
---|
65 | .plt : { *(.plt) } >ram |
---|
66 | .text : |
---|
67 | { |
---|
68 | *startup-16-003.o(.text); |
---|
69 | *(.text .stub .text.* .gnu.linkonce.t.*) |
---|
70 | KEEP (*(.text.*personality*)) |
---|
71 | /* .gnu.warning sections are handled specially by elf32.em. */ |
---|
72 | *(.gnu.warning) |
---|
73 | } >ram =0 |
---|
74 | .fini : { KEEP (*(.fini)) } >ram =0 |
---|
75 | PROVIDE (__etext = .); |
---|
76 | PROVIDE (_etext = .); |
---|
77 | PROVIDE (etext = .); |
---|
78 | .rodata : { *(.rodata .rodata.* .gnu.linkonce.r.*) } >ram |
---|
79 | .rodata1 : { *(.rodata1) } >ram |
---|
80 | .sdata2 : { *(.sdata2 .sdata2.* .gnu.linkonce.s2.*) } >ram |
---|
81 | .sbss2 : { *(.sbss2 .sbss2.* .gnu.linkonce.sb2.*) } >ram |
---|
82 | .eh_frame_hdr : { *(.eh_frame_hdr) } >ram |
---|
83 | .eh_frame : ONLY_IF_RO { KEEP (*(.eh_frame)) } >ram |
---|
84 | .gcc_except_table : ONLY_IF_RO { KEEP (*(.gcc_except_table)) *(.gcc_except_table.*) } >ram |
---|
85 | /* Adjust the address for the data segment. We want to adjust up to |
---|
86 | the same address within the page on the next page up. */ |
---|
87 | . = ALIGN(256) + (. & (256 - 1)); |
---|
88 | /* Exception handling */ |
---|
89 | .eh_frame : ONLY_IF_RW { KEEP (*(.eh_frame)) } >ram |
---|
90 | .gcc_except_table : ONLY_IF_RW { KEEP (*(.gcc_except_table)) *(.gcc_except_table.*) } >ram |
---|
91 | /* Thread Local Storage sections */ |
---|
92 | .tdata : { *(.tdata .tdata.* .gnu.linkonce.td.*) } >ram |
---|
93 | .tbss : { *(.tbss .tbss.* .gnu.linkonce.tb.*) *(.tcommon) } >ram |
---|
94 | /* Ensure the __preinit_array_start label is properly aligned. We |
---|
95 | could instead move the label definition inside the section, but |
---|
96 | the linker would then create the section even if it turns out to |
---|
97 | be empty, which isn't pretty. */ |
---|
98 | . = ALIGN(32 / 8); |
---|
99 | PROVIDE (__preinit_array_start = .); |
---|
100 | .preinit_array : { *(.preinit_array) } >ram |
---|
101 | PROVIDE (__preinit_array_end = .); |
---|
102 | PROVIDE (__init_array_start = .); |
---|
103 | .init_array : { *(.init_array) } >ram |
---|
104 | PROVIDE (__init_array_end = .); |
---|
105 | PROVIDE (__fini_array_start = .); |
---|
106 | .fini_array : { *(.fini_array) } >ram |
---|
107 | PROVIDE (__fini_array_end = .); |
---|
108 | .ctors : |
---|
109 | { |
---|
110 | /* gcc uses crtbegin.o to find the start of |
---|
111 | the constructors, so we make sure it is |
---|
112 | first. Because this is a wildcard, it |
---|
113 | doesn't matter if the user does not |
---|
114 | actually link against crtbegin.o; the |
---|
115 | linker won't look for a file to match a |
---|
116 | wildcard. The wildcard also means that it |
---|
117 | doesn't matter which directory crtbegin.o |
---|
118 | is in. */ |
---|
119 | KEEP (*crtbegin.o(.ctors)) |
---|
120 | /* We don't want to include the .ctor section from |
---|
121 | from the crtend.o file until after the sorted ctors. |
---|
122 | The .ctor section from the crtend file contains the |
---|
123 | end of ctors marker and it must be last */ |
---|
124 | KEEP (*(EXCLUDE_FILE (*crtend*.o ) .ctors)) |
---|
125 | KEEP (*(SORT(.ctors.*))) |
---|
126 | KEEP (*(.ctors)) |
---|
127 | } >ram |
---|
128 | .dtors : |
---|
129 | { |
---|
130 | KEEP (*crtbegin*.o(.dtors)) |
---|
131 | KEEP (*(EXCLUDE_FILE (*crtend*.o ) .dtors)) |
---|
132 | KEEP (*(SORT(.dtors.*))) |
---|
133 | KEEP (*(.dtors)) |
---|
134 | } >ram |
---|
135 | .jcr : { KEEP (*(.jcr)) } >ram |
---|
136 | .data.rel.ro : { *(.data.rel.ro.local) *(.data.rel.ro*) } >ram |
---|
137 | .dynamic : { *(.dynamic) } >ram |
---|
138 | |
---|
139 | /* DJK - Re-align the data section from the read-only section. */ |
---|
140 | . = ALIGN(16) + (. & (16 - 1)); |
---|
141 | PROVIDE (_data = .); |
---|
142 | .data : |
---|
143 | { |
---|
144 | *(.data .data.* .gnu.linkonce.d.*) |
---|
145 | KEEP (*(.gnu.linkonce.d.*personality*)) |
---|
146 | SORT(CONSTRUCTORS) |
---|
147 | } >ram |
---|
148 | .data1 : { *(.data1) } >ram |
---|
149 | .got : { *(.got.plt) *(.got) } >ram |
---|
150 | |
---|
151 | /* We want the small data sections together, so single-instruction offsets |
---|
152 | can access them all, and initialized data all before uninitialized, so |
---|
153 | we can shorten the on-disk segment size. */ |
---|
154 | .sdata : { *(.sdata .sdata.* .gnu.linkonce.s.*) } >ram |
---|
155 | _edata = .; |
---|
156 | PROVIDE ( edata = . ); |
---|
157 | .sbss : |
---|
158 | { |
---|
159 | PROVIDE (__sbss_start = .); |
---|
160 | PROVIDE (___sbss_start = .); |
---|
161 | *(.dynsbss) |
---|
162 | *(.sbss .sbss.* .gnu.linkonce.sb.*) |
---|
163 | *(.scommon) |
---|
164 | PROVIDE (__sbss_end = .); |
---|
165 | PROVIDE (___sbss_end = .); |
---|
166 | } >ram |
---|
167 | .bss : |
---|
168 | { |
---|
169 | *(.dynbss) |
---|
170 | *(.bss .bss.* .gnu.linkonce.b.*) |
---|
171 | *(COMMON) |
---|
172 | /* Align here to ensure that the .bss section occupies space up to |
---|
173 | _end. Align after .bss to ensure correct alignment even if the |
---|
174 | .bss section disappears because there are no input sections. */ |
---|
175 | . = ALIGN(32 / 8); |
---|
176 | } >ram |
---|
177 | . = ALIGN(32 / 8); |
---|
178 | __bss_start = ADDR ( .sbss ) ; |
---|
179 | __bss_end = __bss_start + SIZEOF ( .sbss ) + SIZEOF ( .bss ) - 4 ; |
---|
180 | _end = .; |
---|
181 | PROVIDE (end = .); |
---|
182 | |
---|
183 | /* DJK - Initialized frame buffer data is copied from RAM to FB. */ |
---|
184 | .auxbss : AT (ADDR(.bss) + SIZEOF(.bss)) { *(.auxbss) } >frame-buffer |
---|
185 | .auxdata : AT (LOADADDR(.auxbss) + SIZEOF(.auxbss)) |
---|
186 | { |
---|
187 | *(.auxdata.bank0) |
---|
188 | . = ALIGN(0x4000); |
---|
189 | *(.auxdata.bank1) |
---|
190 | . = ALIGN(0x4000); |
---|
191 | *(.auxdata.bank2) |
---|
192 | . = ALIGN(0x4000); |
---|
193 | *(.auxdata.bank3) |
---|
194 | . = ALIGN(0x4000); |
---|
195 | *(.auxdata.bank4) |
---|
196 | *(.auxdata) |
---|
197 | } >frame-buffer |
---|
198 | |
---|
199 | _fbbss_start = ADDR ( .auxbss ); |
---|
200 | _fbbss_end = _fbbss_start + SIZEOF ( .auxbss ) - 4; |
---|
201 | _fbdata_start = LOADADDR ( .auxdata ); |
---|
202 | _fbdata_end = _fbdata_start + SIZEOF ( .auxdata ) ; |
---|
203 | _fbdata_vma = ADDR ( .auxdata ); |
---|
204 | |
---|
205 | PROVIDE (__FRAME_BUFFER_START = ADDR(.auxbss) ); |
---|
206 | PROVIDE (__FRAME_BUFFER_SIZE = 0x14000); |
---|
207 | PROVIDE (__FRAME_BUFFER_END = __FRAME_BUFFER_START + __FRAME_BUFFER_SIZE); |
---|
208 | |
---|
209 | .dma : { _dma_start = .; *(.dma) _dma_end = .; } >dma-ram |
---|
210 | .internal_io (NOLOAD) : { *(.internal_io) } >ports |
---|
211 | |
---|
212 | /* Stabs debugging sections. */ |
---|
213 | .stab 0 : { *(.stab) } |
---|
214 | .stabstr 0 : { *(.stabstr) } |
---|
215 | .stab.excl 0 : { *(.stab.excl) } |
---|
216 | .stab.exclstr 0 : { *(.stab.exclstr) } |
---|
217 | .stab.index 0 : { *(.stab.index) } |
---|
218 | .stab.indexstr 0 : { *(.stab.indexstr) } |
---|
219 | .comment 0 : { *(.comment) } |
---|
220 | /* DWARF debug sections. |
---|
221 | Symbols in the DWARF debugging sections are relative to the beginning |
---|
222 | of the section so we begin them at 0. */ |
---|
223 | /* DWARF 1 */ |
---|
224 | .debug 0 : { *(.debug) } |
---|
225 | .line 0 : { *(.line) } |
---|
226 | /* GNU DWARF 1 extensions */ |
---|
227 | .debug_srcinfo 0 : { *(.debug_srcinfo) } |
---|
228 | .debug_sfnames 0 : { *(.debug_sfnames) } |
---|
229 | /* DWARF 1.1 and DWARF 2 */ |
---|
230 | .debug_aranges 0 : { *(.debug_aranges) } |
---|
231 | .debug_pubnames 0 : { *(.debug_pubnames) } |
---|
232 | /* DWARF 2 */ |
---|
233 | .debug_info 0 : { *(.debug_info) *(.gnu.linkonce.wi.*) } |
---|
234 | .debug_abbrev 0 : { *(.debug_abbrev) } |
---|
235 | .debug_line 0 : { *(.debug_line) } |
---|
236 | .debug_frame 0 : { *(.debug_frame) } |
---|
237 | .debug_str 0 : { *(.debug_str) } |
---|
238 | .debug_loc 0 : { *(.debug_loc) } |
---|
239 | .debug_macinfo 0 : { *(.debug_macinfo) } |
---|
240 | /* SGI/MIPS DWARF 2 extensions */ |
---|
241 | .debug_weaknames 0 : { *(.debug_weaknames) } |
---|
242 | .debug_funcnames 0 : { *(.debug_funcnames) } |
---|
243 | .debug_typenames 0 : { *(.debug_typenames) } |
---|
244 | .debug_varnames 0 : { *(.debug_varnames) } |
---|
245 | |
---|
246 | /* In a multi-core environment, each core is given its own stack space |
---|
247 | equal to __stack_size, growing downwards. */ |
---|
248 | PROVIDE (__stack = 0x97ff0); |
---|
249 | PROVIDE (__stack_size = 0x800); |
---|
250 | |
---|
251 | .stack (DEFINED(__stack) ? __stack : 0x007ffff0) : |
---|
252 | { |
---|
253 | __stack = .; |
---|
254 | *(.stack) |
---|
255 | LONG(0xdeaddead) |
---|
256 | } |
---|
257 | /DISCARD/ : { *(.note.GNU-stack) } |
---|
258 | } |
---|