-
Notifications
You must be signed in to change notification settings - Fork 33
/
script.ld.S
73 lines (55 loc) · 1.63 KB
/
script.ld.S
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
#if TARGET_NANOS
#include "nanos.h"
#endif
MEMORY {
ram (rwx) : ORIGIN = ORIGIN_RAM, LENGTH = LENGTH_RAM
stack (rwx) : ORIGIN = ORIGIN_STACK, LENGTH = ORIGIN_RAM + LENGTH_RAM - ORIGIN_STACK
#define GENERATE_FUNCTION(NAME, ADDRESS, REPLACEMENT, SIZE) \
NAME (rx) : ORIGIN = ADDRESS, LENGTH = SIZE
#define GENERATE_BRANCH(NAME, ADDRESS, ...) \
branch_##NAME (rx) : ORIGIN = ADDRESS, LENGTH = 4
#define GENERATE_NOOP(NAME, ADDRESS, REPLACEMENT) \
noop_##NAME (rx) : ORIGIN = ADDRESS, LENGTH = 2
SYMBOL_TABLE
#undef GENERATE_FUNCTION
#undef GENERATE_BRANCH
#undef GENERATE_NOOP
}
SECTIONS {
.bss (NOLOAD) : {
*(.bss)
} >stack
#define GENERATE_FUNCTION(NAME, ADDRESS, REPLACEMENT, SIZE) \
.NAME : { \
*(.stub_##NAME) \
*(.text_##NAME) \
*(.rodata_##NAME) \
} >NAME
#define GENERATE_BRANCH(NAME, ADDRESS, ...) \
.branch_##NAME : { \
*(.branch_##NAME) \
} >branch_##NAME
#define GENERATE_NOOP(NAME, ADDRESS, REPLACEMENT) \
.noop_##NAME : { \
*(.noop_##NAME) \
} >noop_##NAME
SYMBOL_TABLE
#undef GENERATE_FUNCTION
#undef GENERATE_BRANCH
#undef GENERATE_NOOP
}
#define PROVIDE_SYMBOL(NAME, ADDRESS) \
NAME = ADDRESS;
#define PROVIDE_FUNCTION(NAME, ADDRESS) \
PROVIDE_SYMBOL(_real_##NAME, ADDRESS)
#define GENERATE_FUNCTION(NAME, ADDRESS, REPLACEMENT, SIZE) \
PROVIDE_FUNCTION(NAME, REPLACEMENT)
#define GENERATE_BRANCH(NAME, ADDRESS, ...)
#define GENERATE_NOOP(NAME, ADDRESS, REPLACEMENT)
PROVIDE_TABLE
SYMBOL_TABLE
#undef PROVIDE_SYMBOL
#undef PROVIDE_FUNCTION
#undef GENERATE_FUNCTION
#undef GENERATE_BRANCH
#undef GENERATE_NOOP