source: trunk/libs/newlib/src/libgloss/cr16/sim.ld @ 474

Last change on this file since 474 was 444, checked in by satin@…, 6 years ago

add newlib,libalmos-mkh, restructure shared_syscalls.h and mini-libc

File size: 2.6 KB
Line 
1/* Example Linker Script for linking NS CR16 elf32 files.*/
2OUTPUT_FORMAT("elf32-cr16")
3OUTPUT_ARCH(cr16)
4
5/*
6 The libh.a library includes various CR default handlers.
7 The libsim.a library includes low-level functions, which
8 are used as an interface to communicate with the simulator.
9*/
10GROUP(-lc -lsim -lh -lgcc)
11
12/*
13 The next line forces the entry point (_start in this script)
14 to be entered in the output file as an undefined symbol.
15 It is needed in case the entry point is not called explicitly
16 (which is the usual case) AND is in an archive.
17*/
18EXTERN(_start)
19ENTRY(_start)
20
21/* Define memory regions: Only RAM required for simulator */
22MEMORY
23{
24  ram  : ORIGIN = 0x2,  LENGTH = 10M
25}
26
27SECTIONS
28{
29  .init :
30  {
31    __INIT_START = .;
32    KEEP (*(.init))
33    __INIT_END = .;
34  } > ram
35
36  .fini :
37  {
38    __FINI_START = .;
39    KEEP (*(.fini))
40    __FINI_END = .;
41  } > ram
42
43  .jcr :
44  {
45    KEEP (*(.jcr))
46  } > ram
47
48  .text :
49  {
50    __TEXT_START = .;
51    *(.text) *(.text.*) *(.gnu.linkonce.t.*)
52    __TEXT_END = .;
53  } > ram
54
55  .rdata :
56  {
57     __RDATA_START = .;
58     *(.rdata_4) *(.rdata_2) *(.rdata_1) *(.rdata.*) *(.gnu.linkonce.r.*) *(.rodata*)
59     __RDATA_END = .;
60  } > ram
61
62  .ctor ALIGN(4) :
63  {
64    __CTOR_START = .;
65    KEEP (*crtbegin*.o(.ctors))
66    KEEP (*(EXCLUDE_FILE (*crtend*.o) .ctors))
67    KEEP (*(SORT(.ctors.*)))
68    KEEP (*(.ctors))
69    __CTOR_END = .;
70  } > ram
71
72  .dtor ALIGN(4) :
73  {
74    __DTOR_START = .;
75    KEEP (*crtbegin*.o(.dtors))
76    KEEP (*(EXCLUDE_FILE (*crtend*.o) .dtors))
77    KEEP (*(SORT(.dtors.*)))
78    KEEP (*(.dtors))
79    __DTOR_END = .;
80  } > ram
81
82  .data :
83  {
84    __DATA_START = .;
85    *(.data_4) *(.data_2) *(.data_1) *(.data) *(.data.*) *(.gnu.linkonce.d.*)
86    *(.eh_frame_hdr)
87    *(.eh_frame)
88    *(.gcc_except_table)
89    *(.got.plt) *(.got)
90    __DATA_END = .;
91  } > ram
92
93.got            :
94    {
95          *(.got)
96    } > ram
97    .got.plt        :
98     {
99         *(.got.plt)
100     } > ram
101
102  .bss (NOLOAD) :
103  {
104    __BSS_START = .;
105    *(.bss_4) *(.bss_2) *(.bss_1) *(.bss) *(COMMON) *(.bss.*) *(.gnu.linkonce.b.*)
106    __BSS_END = .;
107  } > ram
108
109/*
110 You may change the sizes of the following sections to fit the actual
111 size your program requires.
112 The heap and stack are aligned to the bus width, as a speed optimization
113 for accessing data located there.
114*/
115  .heap :
116  {
117    . = ALIGN(4);
118    __HEAP_START = .;
119    . += 0x2000;
120    __HEAP_MAX = .;
121  } > ram
122
123  .stack :
124  {
125    . = ALIGN(4);
126    . += 0x6000;
127    __STACK_START = .;
128  } > ram
129
130  .istack :
131  {
132    . = ALIGN(4);
133    . += 0x100;
134    __ISTACK_START = .;
135  } > ram
136}
137
138__DATA_IMAGE_START = LOADADDR(.data);
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