source: trunk/libs/newlib/src/libgloss/crx/sim.ld @ 688

Last change on this file since 688 was 444, checked in by satin@…, 6 years ago

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

File size: 2.4 KB
Line 
1/* Example Linker Script for linking NS CRX elf32 files. */
2OUTPUT_FORMAT("elf32-crx")
3OUTPUT_ARCH(crx)
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 */
22MEMORY
23{
24  rom  : ORIGIN = 0x2,  LENGTH = 3M
25  ram  : ORIGIN = 4M,   LENGTH = 10M
26}
27
28SECTIONS
29{
30  .init :
31  {
32    __INIT_START = .;
33    KEEP (*(.init))
34    __INIT_END = .;
35  } > rom
36
37  .fini :
38  {
39    __FINI_START = .;
40    KEEP (*(.fini))
41    __FINI_END = .;
42  } > rom
43
44  .jcr :
45  {
46    KEEP (*(.jcr))
47  } > rom
48
49  .text :
50  {
51    __TEXT_START = .;
52    *(.text) *(.text.*) *(.gnu.linkonce.t.*)
53    __TEXT_END = .;
54  } > rom
55
56  .rdata :
57  {
58     __RDATA_START = .;
59     *(.rdata_4) *(.rdata_2) *(.rdata_1) *(.rdata.*) *(.gnu.linkonce.r.*)
60     __RDATA_END = .;
61  } > rom
62
63  .ctor ALIGN(4) :
64  {
65    __CTOR_START = .;
66    KEEP (*crtbegin*.o(.ctors))
67    KEEP (*(EXCLUDE_FILE (*crtend*.o) .ctors))
68    KEEP (*(SORT(.ctors.*)))
69    KEEP (*(.ctors))
70    __CTOR_END = .;
71  } > rom
72
73  .dtor ALIGN(4) :
74  {
75    __DTOR_START = .;
76    KEEP (*crtbegin*.o(.dtors))
77    KEEP (*(EXCLUDE_FILE (*crtend*.o) .dtors))
78    KEEP (*(SORT(.dtors.*)))
79    KEEP (*(.dtors))
80    __DTOR_END = .;
81  } > rom
82
83  .data :
84  {
85    __DATA_START = .;
86    *(.data_4) *(.data_2) *(.data_1) *(.data) *(.data.*) *(.gnu.linkonce.d.*)
87    __DATA_END = .;
88  } > ram AT > rom
89
90  .bss (NOLOAD) :
91  {
92    __BSS_START = .;
93    *(.bss_4) *(.bss_2) *(.bss_1) *(.bss) *(COMMON) *(.bss.*) *(.gnu.linkonce.b.*)
94    __BSS_END = .;
95  } > ram
96
97/*
98 You may change the sizes of the following sections to fit the actual
99 size your program requires.
100 The heap and stack are aligned to the bus width, as a speed optimization
101 for accessing data located there.
102*/
103  .heap :
104  {
105    . = ALIGN(4);
106    __HEAP_START = .;
107    . += 0x2000;
108    __HEAP_MAX = .;
109  } > ram
110
111  .stack :
112  {
113    . = ALIGN(4);
114    . += 0x6000;
115    __STACK_START = .;
116  } > ram
117
118  .istack :
119  {
120    . = ALIGN(4);
121    . += 0x100;
122    __ISTACK_START = .;
123  } > ram
124}
125
126__DATA_IMAGE_START = LOADADDR(.data);
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