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-rw-r--r--arch/mips/reloc.h78
1 files changed, 10 insertions, 68 deletions
diff --git a/arch/mips/reloc.h b/arch/mips/reloc.h
index 4b81d328..8aa02852 100644
--- a/arch/mips/reloc.h
+++ b/arch/mips/reloc.h
@@ -1,5 +1,3 @@
-#include <string.h>
-#include <elf.h>
#include <endian.h>
#if __BYTE_ORDER == __LITTLE_ENDIAN
@@ -18,72 +16,16 @@
#define TPOFF_K (-0x7000)
-static int remap_rel(int type)
-{
- switch(type) {
- case R_MIPS_REL32:
- return REL_SYM_OR_REL;
- case R_MIPS_JUMP_SLOT:
- return REL_PLT;
- case R_MIPS_COPY:
- return REL_COPY;
- case R_MIPS_TLS_DTPMOD32:
- return REL_DTPMOD;
- case R_MIPS_TLS_DTPREL32:
- return REL_DTPOFF;
- case R_MIPS_TLS_TPREL32:
- return REL_TPOFF;
- }
- return 0;
-}
+#define REL_SYM_OR_REL R_MIPS_REL32
+#define REL_PLT R_MIPS_JUMP_SLOT
+#define REL_COPY R_MIPS_COPY
+#define REL_DTPMOD R_MIPS_TLS_DTPMOD32
+#define REL_DTPOFF R_MIPS_TLS_DTPREL32
+#define REL_TPOFF R_MIPS_TLS_TPREL32
-void __reloc_self(int c, size_t *a, size_t *dynv, size_t *got)
-{
- char *base;
- size_t t[20], n;
- for (a+=c+1; *a; a++);
- for (a++; *a; a+=2) if (*a<20) t[*a] = a[1];
- base = (char *)t[AT_BASE];
- if (!base) base = (char *)(t[AT_PHDR] & -t[AT_PAGESZ]);
- for (a=dynv; *a; a+=2) if (*a-0x70000000UL<20) t[*a&31] = a[1];
- n = t[DT_MIPS_LOCAL_GOTNO - 0x70000000];
- for (a=got; n; a++, n--) *a += (size_t)base;
-}
-
-static void do_relocs(struct dso *dso, size_t *rel, size_t rel_size, size_t stride);
-
-static void do_arch_relocs(struct dso *this, struct dso *head)
-{
- unsigned char *base = this->base;
- size_t *dynv = this->dynv;
- size_t dyn[20] = {0};
- size_t i;
- size_t rel[2], got=0;
- Sym *sym;
-
- for (i=0; dynv[i]; i+=2) {
- if (dynv[i]-0x70000000UL<20)
- dyn[dynv[i]&31] = dynv[i+1];
- else if (dynv[i] == DT_PLTGOT)
- got = dynv[i+1];
- }
- i = dyn[DT_MIPS_LOCAL_GOTNO-0x70000000];
- if (this->shortname && !strcmp(this->shortname, "libc.so")) {
- got += sizeof(size_t) * i;
- } else {
- for (; i; i--, got+=sizeof(size_t))
- *(size_t *)(base+got) += (size_t)base;
- }
- sym = this->syms + dyn[DT_MIPS_GOTSYM-0x70000000];
- i = dyn[DT_MIPS_SYMTABNO-0x70000000] - dyn[DT_MIPS_GOTSYM-0x70000000];
- for (; i; i--, got+=sizeof(size_t), sym++) {
- rel[0] = got;
- rel[1] = sym-this->syms << 8 | R_MIPS_JUMP_SLOT;
- *(size_t *)(base+got) = 0;
- do_relocs(this, rel, sizeof rel, 2);
- }
-}
-
-#define NEED_ARCH_RELOCS 1
+#define NEED_MIPS_GOT_RELOCS 1
#define DYNAMIC_IS_RO 1
#define ARCH_SYM_REJECT_UND(s) (!((s)->st_other & STO_MIPS_PLT))
+
+#define CRTJMP(pc,sp) __asm__ __volatile__( \
+ "move $sp,%1 ; jr %0" : : "r"(pc), "r"(sp) : "memory" )