5 #if __BYTE_ORDER == __LITTLE_ENDIAN
6 #define ENDIAN_SUFFIX "el"
8 #define ENDIAN_SUFFIX ""
11 #define LDSO_ARCH "mips" ENDIAN_SUFFIX
13 #define IS_COPY(x) ((x)==R_MIPS_COPY)
16 static inline void do_single_reloc(
17 struct dso *self, unsigned char *base_addr,
18 size_t *reloc_addr, int type, size_t addend,
19 Sym *sym, size_t sym_size,
20 struct symdef def, size_t sym_val)
23 case R_MIPS_JUMP_SLOT:
24 *reloc_addr = sym_val;
27 if (sym_val) *reloc_addr += sym_val;
28 else *reloc_addr += (size_t)base_addr;
31 memcpy(reloc_addr, (void *)sym_val, sym_size);
33 case R_MIPS_TLS_DTPMOD32:
34 *reloc_addr = def.dso ? def.dso->tls_id : self->tls_id;
36 case R_MIPS_TLS_DTPREL32:
37 *reloc_addr += def.sym->st_value;
39 case R_MIPS_TLS_TPREL32:
40 *reloc_addr += def.sym
41 ? def.sym->st_value + def.dso->tls_offset - 0x7000
42 : self->tls_offset - 0x7000;
47 void __reloc_self(int c, size_t *a, size_t *dynv, size_t *got)
51 for (a+=c+1; *a; a++);
52 for (a++; *a; a+=2) if (*a<20) t[*a] = a[1];
53 base = (char *)t[AT_BASE];
54 if (!base) base = (char *)(t[AT_PHDR] & -4096);
55 for (a=dynv; *a; a+=2) if (*a-0x70000000UL<20) t[*a&31] = a[1];
56 n = t[DT_MIPS_LOCAL_GOTNO - 0x70000000];
57 for (a=got; n; a++, n--) *a += (size_t)base;
60 static void do_relocs(struct dso *dso, size_t *rel, size_t rel_size, size_t stride);
62 static void do_arch_relocs(struct dso *this, struct dso *head)
64 unsigned char *base = this->base;
65 size_t *dynv = this->dynv;
71 for (i=0; dynv[i]; i+=2) {
72 if (dynv[i]-0x70000000UL<20)
73 dyn[dynv[i]&31] = dynv[i+1];
74 else if (dynv[i] == DT_PLTGOT)
77 i = dyn[DT_MIPS_LOCAL_GOTNO-0x70000000];
78 if (this->shortname && !strcmp(this->shortname, "libc.so")) {
79 got += sizeof(size_t) * i;
81 for (; i; i--, got+=sizeof(size_t))
82 *(size_t *)(base+got) += (size_t)base;
84 sym = this->syms + dyn[DT_MIPS_GOTSYM-0x70000000];
85 i = dyn[DT_MIPS_SYMTABNO-0x70000000] - dyn[DT_MIPS_GOTSYM-0x70000000];
86 for (; i; i--, got+=sizeof(size_t), sym++) {
88 rel[1] = sym-this->syms << 8 | R_MIPS_JUMP_SLOT;
89 *(size_t *)(base+got) = 0;
90 do_relocs(this, rel, sizeof rel, 2);
94 #define NEED_ARCH_RELOCS 1
95 #define DYNAMIC_IS_RO 1