blob: 8f5a561853318327758f03ef95ae7fb733446388 (
plain)
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
|
/* vi: set sw=8 ts=8: */
/*
* Various assmbly language/system dependent hacks that are required
* so that we can minimize the amount of platform specific code.
*/
/* Define this if the system uses RELOCA. */
#undef ELF_USES_RELOCA
#define ARCH_NUM 3
#define DT_MIPS_GOTSYM_IDX (DT_NUM + OS_NUM)
#define DT_MIPS_LOCAL_GOTNO_IDX (DT_NUM + OS_NUM +1)
#define DT_MIPS_SYMTABNO_IDX (DT_NUM + OS_NUM +2)
#define ARCH_DYNAMIC_INFO(dpnt, dynamic, debug_addr) \
do { \
if (dpnt->d_tag == DT_MIPS_GOTSYM) \
dynamic[DT_MIPS_GOTSYM_IDX] = dpnt->d_un.d_val; \
else if(dpnt->d_tag == DT_MIPS_LOCAL_GOTNO) \
dynamic[DT_MIPS_LOCAL_GOTNO_IDX] = dpnt->d_un.d_val; \
else if(dpnt->d_tag == DT_MIPS_SYMTABNO) \
dynamic[DT_MIPS_SYMTABNO_IDX] = dpnt->d_un.d_val; \
else if (dpnt->d_tag == DT_MIPS_RLD_MAP) \
*(Elf32_Addr *)(dpnt->d_un.d_ptr) = (Elf32_Addr) debug_addr; \
} while (0)
/* Initialization sequence for the application/library GOT. */
#define INIT_GOT(GOT_BASE,MODULE) \
do { \
unsigned long i; \
\
/* Check if this is the dynamic linker itself */ \
if (MODULE->libtype == program_interpreter) \
continue; \
\
/* Fill in first two GOT entries according to the ABI */ \
GOT_BASE[0] = (unsigned long) _dl_linux_resolve; \
GOT_BASE[1] = (unsigned long) MODULE; \
\
/* Add load address displacement to all local GOT entries */ \
i = 2; \
while (i < MODULE->dynamic_info[DT_MIPS_LOCAL_GOTNO_IDX]) \
GOT_BASE[i++] += (unsigned long) MODULE->loadaddr; \
\
} while (0)
/* Here we define the magic numbers that this dynamic loader should accept */
#define MAGIC1 EM_MIPS
#define MAGIC2 EM_MIPS_RS3_LE
/* Used for error messages */
#define ELF_TARGET "MIPS"
unsigned long _dl_linux_resolver(unsigned long sym_index,
unsigned long old_gpreg);
struct elf_resolve;
void _dl_perform_mips_global_got_relocations(struct elf_resolve *tpnt);
#define do_rem(result, n, base) ((result) = (n) % (base))
/* 4096 bytes alignment */
#define PAGE_ALIGN 0xfffff000
#define ADDR_ALIGN 0xfff
#define OFFS_ALIGN 0x7ffff000
#define elf_machine_type_class(type) ELF_RTYPE_CLASS_PLT
/* MIPS does not have COPY relocs */
#define DL_NO_COPY_RELOCS
|
