1# This is for embedded products (no MMU) with ELF.
2MACHINE=
3SCRIPT_NAME=elf
4TEMPLATE_NAME=elf32
5
6# Symbols have underscore prepended.
7OUTPUT_FORMAT="elf32-us-cris"
8ARCH=cris
9MAXPAGESIZE=32
10ENTRY=__start
11EMBEDDED=yes
12ALIGNMENT=32
13TEXT_START_ADDR=0
14
15# Put crt0 for flash/eprom etc. in this section.
16INITIAL_READONLY_SECTIONS='.startup : { KEEP(*(.startup)) }'
17
18# Setting __Stext to . in TEXT_START_SYMBOLS doesn't get what we want
19# most of the time, which is the start of all read-only sections;
20# there's at least .startup and .init before it.  We have to resort to
21# trickery.  Note that __Stext is always defined, not PROVIDE:d, since
22# external tools look for it.
23TEXT_START_SYMBOLS='__Stext = ADDR (.startup);'
24
25# The __start dance is to get us through assumptions about entry
26# symbols, and to clear _start for normal use with sane programs.
27EXECUTABLE_SYMBOLS='
28__start = DEFINED(__start) ? __start :
29  DEFINED(_start) ? _start :
30    DEFINED(start) ? start :
31      DEFINED(.startup) ? .startup + 2 : 2;
32'
33
34# Smuggle an "OTHER_TEXT_END_SYMBOLS" here.
35OTHER_READONLY_SECTIONS="${RELOCATING+PROVIDE (__Etext = .);}"
36DATA_START_SYMBOLS='PROVIDE (__Sdata = .);'
37
38# Smuggle an "OTHER_DATA_END_SYMBOLS" here.
39OTHER_SDATA_SECTIONS="${RELOCATING+PROVIDE (__Edata = .);}"
40
41# If .bss does not immediately follow .data but has its own start
42# address, we can't get to it with OTHER_BSS_SYMBOLS, neither can we
43# use ADDR(.bss) there.  Instead, we use the symbol support for the
44# end symbol.
45OTHER_BSS_END_SYMBOLS='
46 PROVIDE (__Ebss = .);
47 PROVIDE (__end = .);
48 __Sbss = ADDR (.bss);
49 PROVIDE (_bss_start = __Sbss);
50'
51
52INIT_START='
53 . = ALIGN(2);
54 ___init__start = .;
55 PROVIDE (___do_global_ctors = .);
56 SHORT (0xe1fc); /* push srp */
57 SHORT (0xbe7e);
58'
59
60INIT_END='
61 SHORT (0x0d3e); /* jump [sp+] */
62 PROVIDE (__init__end = .);
63 PROVIDE (___init__end = .);
64'
65
66FINI_START='
67 . = ALIGN (2);
68 ___fini__start = .;
69 PROVIDE (___do_global_dtors = .);
70 SHORT (0xe1fc); /* push srp */
71 SHORT (0xbe7e);
72'
73
74FINI_END='
75 SHORT (0x0d3e); /* jump [sp+] */
76 PROVIDE (__fini__end = .);
77 ___fini__end = .;
78'
79
80CTOR_START='
81 PROVIDE (___ctors = .);
82 ___elf_ctors_dtors_begin = .;
83'
84
85CTOR_END='
86 PROVIDE (___ctors_end = .);
87'
88
89DTOR_START='
90 PROVIDE (___dtors = .);
91'
92
93CTOR_END='
94 PROVIDE (___dtors_end = .);
95 ___elf_ctors_dtors_end = .;
96'
97
98# Also add the other symbols provided for rsim/xsim and elinux.
99OTHER_END_SYMBOLS='
100  PROVIDE (__Eall = .);
101  PROVIDE (__Endmem = 0x10000000);
102  PROVIDE (__Stacksize = 0);
103'
104NO_SMALL_DATA=yes
105