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-rw-r--r--ldso/ldso/or1k/dl-debug.h53
-rw-r--r--ldso/ldso/or1k/dl-startup.h106
-rw-r--r--ldso/ldso/or1k/dl-syscalls.h1
-rw-r--r--ldso/ldso/or1k/dl-sysdep.h105
-rw-r--r--ldso/ldso/or1k/elfinterp.c333
-rw-r--r--ldso/ldso/or1k/resolve.S54
6 files changed, 652 insertions, 0 deletions
diff --git a/ldso/ldso/or1k/dl-debug.h b/ldso/ldso/or1k/dl-debug.h
new file mode 100644
index 000000000..d925577cd
--- /dev/null
+++ b/ldso/ldso/or1k/dl-debug.h
@@ -0,0 +1,53 @@
+/* OpenRISC 1000 shared library loader suppport
+ *
+ * Copyright (C) 2012 Stefan Kristansson
+ *
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. The name of the above contributors may not be
+ * used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+static const char * const _dl_reltypes_tab[] =
+ {
+ "R_OR1K_NONE",
+ "R_OR1K_32",
+ "R_OR1K_16",
+ "R_OR1K_8",
+ "R_OR1K_LO_16_IN_INSN",
+ "R_OR1K_HI_16_IN_INSN",
+ "R_OR1K_INSN_REL_26",
+ "R_OR1K_GNU_VTENTRY",
+ "R_OR1K_GNU_VTINHERIT",
+ "R_OR1K_32_PCREL",
+ "R_OR1K_16_PCREL",
+ "R_OR1K_8_PCREL",
+ "R_OR1K_GOTPC_HI16",
+ "R_OR1K_GOTPC_LO16",
+ "R_OR1K_GOT16",
+ "R_OR1K_PLT26",
+ "R_OR1K_GOTOFF_HI16",
+ "R_OR1K_GOTOFF_LO16",
+ "R_OR1K_COPY",
+ "R_OR1K_GLOB_DAT",
+ "R_OR1K_JMP_SLOT",
+ "R_OR1K_RELATIVE",
+ };
diff --git a/ldso/ldso/or1k/dl-startup.h b/ldso/ldso/or1k/dl-startup.h
new file mode 100644
index 000000000..3c99bcd5c
--- /dev/null
+++ b/ldso/ldso/or1k/dl-startup.h
@@ -0,0 +1,106 @@
+/* Startup code for the OpenRISC 1000 platform,
+ based on microblaze implementation */
+/*
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+__asm__ ("\
+ .text\n\
+ .globl _start\n\
+ .type _start,@function\n\
+ .hidden _start\n\
+_start:\n\
+ l.ori r3, r9, 0\n\
+ l.ori r3, r1, 0\n\
+ l.movhi r11, 0\n\
+1:\n\
+ l.addi r3, r3, 4\n\
+ l.lwz r12, 0(r3)\n\
+ l.sfnei r12, 0\n\
+ l.addi r11, r11, 1\n\
+ l.bf 1b\n\
+ l.nop\n\
+ l.ori r3, r11, 0\n\
+ l.ori r3, r1, 0\n\
+ l.addi r11, r11, -1\n\
+ /* store argument counter to stack */\n\
+ l.sw 0(r3), r11\n\
+ l.addi r1, r1, -24\n\
+ l.sw 0(r1), r9\n\
+\n\
+ l.jal .LPC0\n\
+#ifndef __OR1K_NODELAY__\n\
+ l.nop\n\
+#endif\n\
+ /* Load the PIC register */\n\
+.LPC0:\n\
+ l.movhi r16, gotpchi(_GLOBAL_OFFSET_TABLE_+(.-.LPC0))\n\
+ l.ori r16, r16, gotpclo(_GLOBAL_OFFSET_TABLE_+(.-.LPC0))\n\
+ l.add r16, r16, r9\n\
+\n\
+ l.jal _dl_start\n\
+ l.nop\n\
+ /* FALLTHRU */\n\
+\n\
+ .globl _dl_start_user\n\
+ .type _dl_start_user,@function\n\
+_dl_start_user:\n\
+ l.movhi r12, gotoffhi(_dl_skip_args)\n\
+ l.ori r12, r12, gotofflo(_dl_skip_args)\n\
+ l.add r12, r12, r16\n\
+ l.lwz r12, 0(r12)\n\
+ l.lwz r3, 24(r1)\n\
+\n\
+ l.movhi r9, gotoffhi(_dl_fini)\n\
+ l.ori r9, r9, gotofflo(_dl_fini)\n\
+ l.add r9, r9, r16\n\
+\n\
+ l.addi r9, r9, -8\n\
+ l.addi r1, r1, 24\n\
+ l.jr r11\n\
+ l.nop\n\
+ .size _dl_start_user, . - _dl_start_user\n\
+ .previous\n\
+");
+/*
+ * Get a pointer to the argv array. On many platforms this can be just
+ * the address of the first argument, on other platforms we need to
+ * do something a little more subtle here.
+ */
+#define GET_ARGV(ARGVP, ARGS) ARGVP = (((unsigned long*) ARGS)+1)
+
+/* The ld.so library requires relocations */
+#define ARCH_NEEDS_BOOTSTRAP_RELOCS
+
+static __always_inline
+void PERFORM_BOOTSTRAP_RELOC(ELF_RELOC *rpnt, unsigned long *reloc_addr,
+ unsigned long symbol_addr, unsigned long load_addr,
+ attribute_unused Elf32_Sym *symtab)
+{
+
+ switch (ELF_R_TYPE(rpnt->r_info))
+ {
+ case R_OR1K_RELATIVE:
+
+ *reloc_addr = load_addr + rpnt->r_addend;
+ break;
+
+ default:
+ _dl_exit(1);
+ break;
+
+ }
+
+}
diff --git a/ldso/ldso/or1k/dl-syscalls.h b/ldso/ldso/or1k/dl-syscalls.h
new file mode 100644
index 000000000..f40c4fd31
--- /dev/null
+++ b/ldso/ldso/or1k/dl-syscalls.h
@@ -0,0 +1 @@
+/* stub for arch-specific syscall issues */
diff --git a/ldso/ldso/or1k/dl-sysdep.h b/ldso/ldso/or1k/dl-sysdep.h
new file mode 100644
index 000000000..21ca028c8
--- /dev/null
+++ b/ldso/ldso/or1k/dl-sysdep.h
@@ -0,0 +1,105 @@
+/* elf reloc code for the or1k platform, based on glibc 2.3.6, dl-machine.h */
+
+/*
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+/* Use reloca */
+#define ELF_USES_RELOCA
+
+#include <elf.h>
+
+
+/* Initialise the GOT */
+#define INIT_GOT(GOT_BASE,MODULE) \
+do { \
+ GOT_BASE[2] = (unsigned long) _dl_linux_resolve; \
+ GOT_BASE[1] = (unsigned long) MODULE; \
+} while(0)
+
+/* Here we define the magic numbers that this dynamic loader should accept */
+
+#define MAGIC1 EM_OR1K
+#undef MAGIC2
+/* Used for error messages */
+#define ELF_TARGET "or1k"
+
+#define elf_machine_type_class(type) \
+ (((type) == R_OR1K_JMP_SLOT) * ELF_RTYPE_CLASS_PLT \
+ | ((type) == R_OR1K_COPY) * ELF_RTYPE_CLASS_COPY)
+
+static inline Elf32_Addr *
+or1k_get_got (void)
+{
+ Elf32_Addr *got;
+ Elf32_Addr linkreg;
+ __asm__("l.ori %0, r9, 0\n"
+ "l.jal .LPC1\n"
+#ifndef __OR1K_NODELAY__
+ "l.nop\n"
+#endif
+ ".LPC1:\n"
+ "l.movhi %1, gotpchi(_GLOBAL_OFFSET_TABLE_+(.-.LPC1))\n"
+ "l.ori %1, %1, gotpclo(_GLOBAL_OFFSET_TABLE_+(.-.LPC1))\n"
+ "l.add %1, %1, r9\n"
+ "l.ori r9, %0, 0\n"
+ : "=r" (linkreg), "=r" (got));
+ return got;
+}
+
+/* Return the link-time address of _DYNAMIC. Conveniently, this is the
+ first element of the GOT. */
+static inline Elf32_Addr
+elf_machine_dynamic (void)
+{
+ Elf32_Addr *got = or1k_get_got();
+ return *got;
+}
+
+
+/* Return the run-time load address of the shared object. */
+static inline Elf32_Addr
+elf_machine_load_address (void)
+{
+ /* Compute the difference between the runtime address of _DYNAMIC as seen
+ by a GOTOFF reference, and the link-time address found in the special
+ unrelocated first GOT entry. */
+ Elf32_Addr dyn;
+ Elf32_Addr *got = or1k_get_got();
+
+ __asm__ __volatile__ (
+ "l.movhi %0, gotoffhi(_DYNAMIC);"
+ "l.ori %0, %0, gotofflo(_DYNAMIC);"
+ "l.add %0, %0, %1;"
+ : "=r"(dyn), "=r"(got)
+ );
+ return dyn - *got;
+}
+
+
+
+static __always_inline void
+elf_machine_relative (Elf32_Addr load_off, const Elf32_Addr rel_addr,
+ Elf32_Word relative_count)
+{
+ Elf32_Rela * rpnt = (void *) rel_addr;
+ --rpnt;
+ do {
+ Elf32_Addr *const reloc_addr = (void *) (load_off +
+ (++rpnt)->r_offset);
+
+ *reloc_addr += load_off;
+ } while (--relative_count);
+}
diff --git a/ldso/ldso/or1k/elfinterp.c b/ldso/ldso/or1k/elfinterp.c
new file mode 100644
index 000000000..928e95ba1
--- /dev/null
+++ b/ldso/ldso/or1k/elfinterp.c
@@ -0,0 +1,333 @@
+/* vi: set sw=4 ts=4: */
+/* OpenRISC 1000 ELF shared library loader suppport
+ *
+ * Copyright (c) 1994-2000 Eric Youngdale, Peter MacDonald,
+ * David Engel, Hongjiu Lu and Mitch D'Souza
+ * Copyright (C) 2001-2004 Erik Andersen
+ *
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. The name of the above contributors may not be
+ * used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include "ldso.h"
+
+/* Program to load an ELF binary on a linux system, and run it.
+ References to symbols in sharable libraries can be resolved by either
+ an ELF sharable library or a linux style of shared library. */
+
+/* Disclaimer: I have never seen any AT&T source code for SVr4, nor have
+ I ever taken any courses on internals. This program was developed using
+ information available through the book "UNIX SYSTEM V RELEASE 4,
+ Programmers guide: Ansi C and Programming Support Tools", which did
+ a more than adequate job of explaining everything required to get this
+ working. */
+
+extern int _dl_linux_resolve(void);
+
+unsigned long
+_dl_linux_resolver(struct elf_resolve *tpnt, int reloc_entry)
+{
+ ELF_RELOC *this_reloc;
+ char *strtab;
+ ElfW(Sym) *symtab;
+ int symtab_index;
+ char *rel_addr;
+ char *new_addr;
+ char **got_addr;
+ ElfW(Addr) instr_addr;
+ char *symname;
+
+ rel_addr = (char *)tpnt->dynamic_info[DT_JMPREL];
+ this_reloc = (ELF_RELOC *)(rel_addr + reloc_entry);
+ symtab_index = ELF_R_SYM(this_reloc->r_info);
+
+ symtab = (ElfW(Sym) *)tpnt->dynamic_info[DT_SYMTAB];
+ strtab = (char *)tpnt->dynamic_info[DT_STRTAB];
+ symname = strtab + symtab[symtab_index].st_name;
+
+ /* Address of the jump instruction to fix up. */
+ instr_addr = (this_reloc->r_offset + tpnt->loadaddr);
+ got_addr = (char **)instr_addr;
+
+ /* Get the address of the GOT entry. */
+ new_addr = _dl_find_hash(symname, &_dl_loaded_modules->symbol_scope, tpnt, ELF_RTYPE_CLASS_PLT, NULL);
+ if (unlikely(!new_addr)) {
+ _dl_dprintf(2, "%s: can't resolve symbol '%s' in lib '%s'.\n",
+ _dl_progname, symname, tpnt->libname);
+ _dl_exit(1);
+ }
+
+#if defined (__SUPPORT_LD_DEBUG__)
+ if ((unsigned long)got_addr < 0x40000000) {
+ if (_dl_debug_bindings) {
+ _dl_dprintf(_dl_debug_file, "\nresolve function: %s", symname);
+ if (_dl_debug_detail)
+ _dl_dprintf(_dl_debug_file,
+ "\tpatched: %x ==> %x @ %x\n",
+ *got_addr, new_addr, got_addr);
+ }
+ }
+ if (!_dl_debug_nofixups)
+#endif
+ *got_addr = new_addr;
+
+ return (unsigned long)new_addr;
+}
+
+static int
+_dl_parse(struct elf_resolve *tpnt, struct r_scope_elem *scope,
+ unsigned long rel_addr, unsigned long rel_size,
+ int (*reloc_fnc)(struct elf_resolve *tpnt, struct r_scope_elem *scope,
+ ELF_RELOC *rpnt, ElfW(Sym) *symtab, char *strtab))
+{
+ unsigned int i;
+ char *strtab;
+ ElfW(Sym) *symtab;
+ ELF_RELOC *rpnt;
+ int symtab_index;
+
+ /* Parse the relocation information. */
+ rpnt = (ELF_RELOC *)rel_addr;
+ rel_size /= sizeof(ELF_RELOC);
+
+ symtab = (ElfW(Sym) *)tpnt->dynamic_info[DT_SYMTAB];
+ strtab = (char *)tpnt->dynamic_info[DT_STRTAB];
+
+ for (i = 0; i < rel_size; i++, rpnt++) {
+ int res;
+
+ symtab_index = ELF_R_SYM(rpnt->r_info);
+
+ debug_sym(symtab, strtab, symtab_index);
+ debug_reloc(symtab, strtab, rpnt);
+
+ res = reloc_fnc(tpnt, scope, rpnt, symtab, strtab);
+
+ if (res == 0)
+ continue;
+
+ _dl_dprintf(2, "\n%s: ", _dl_progname);
+
+ if (symtab_index)
+ _dl_dprintf(2, "symbol '%s': ",
+ strtab + symtab[symtab_index].st_name);
+
+ if (unlikely(res < 0)) {
+ int reloc_type = ELF_R_TYPE(rpnt->r_info);
+
+ _dl_dprintf(2, "can't handle reloc type "
+#if defined (__SUPPORT_LD_DEBUG__)
+ "%s\n", _dl_reltypes(reloc_type));
+#else
+ "%x\n", reloc_type);
+#endif
+ _dl_exit(-res);
+ } else if (unlikely(res > 0)) {
+ _dl_dprintf(2, "can't resolve symbol\n");
+ return res;
+ }
+ }
+
+ return 0;
+}
+
+static int
+_dl_do_reloc(struct elf_resolve *tpnt, struct r_scope_elem *scope,
+ ELF_RELOC *rpnt, ElfW(Sym) *symtab, char *strtab)
+{
+ int reloc_type;
+ int symtab_index;
+ char *symname;
+#if defined USE_TLS && USE_TLS
+ struct elf_resolve *tls_tpnt;
+#endif
+ struct symbol_ref sym_ref;
+ ElfW(Addr) *reloc_addr;
+ ElfW(Addr) symbol_addr;
+#if defined (__SUPPORT_LD_DEBUG__)
+ ElfW(Addr) old_val;
+#endif
+
+ struct unaligned {
+ Elf32_Addr x;
+ } __attribute__ ((packed, may_alias));
+
+ reloc_addr = (ElfW(Addr)*)(tpnt->loadaddr + (unsigned long)rpnt->r_offset);
+ reloc_type = ELF_R_TYPE(rpnt->r_info);
+ symtab_index = ELF_R_SYM(rpnt->r_info);
+ sym_ref.sym = &symtab[symtab_index];
+ sym_ref.tpnt = NULL;
+ symbol_addr = 0;
+ symname = strtab + sym_ref.sym->st_name;
+
+ if (symtab_index) {
+ symbol_addr = (ElfW(Addr))_dl_find_hash(symname, scope, tpnt,
+ elf_machine_type_class(reloc_type), &sym_ref);
+ /*
+ * We want to allow undefined references to weak symbols - this
+ * might have been intentional. We should not be linking local
+ * symbols here, so all bases should be covered.
+ */
+ if (unlikely(!symbol_addr && (ELF_ST_TYPE(sym_ref.sym->st_info) != STT_TLS)
+ && (ELF_ST_BIND(sym_ref.sym->st_info) != STB_WEAK))) {
+ /* This may be non-fatal if called from dlopen. */
+ return 1;
+ }
+#if defined USE_TLS && USE_TLS
+ tls_tpnt = sym_ref.tpnt;
+#endif
+ } else {
+ /* Relocs against STN_UNDEF are usually treated as using a
+ * symbol value of zero, and using the module containing the
+ * reloc itself. */
+ symbol_addr = sym_ref.sym->st_value;
+#if defined USE_TLS && USE_TLS
+ tls_tpnt = tpnt;
+#endif
+ }
+
+
+#if defined (__SUPPORT_LD_DEBUG__)
+ if (reloc_addr) {
+ old_val = ((struct unaligned *)reloc_addr)->x;
+ } else {
+ old_val = 0;
+ }
+#endif
+
+ switch (reloc_type) {
+ case R_OR1K_NONE:
+ break;
+
+ case R_OR1K_8:
+ case R_OR1K_16:
+ case R_OR1K_32:
+ /* Support relocations on mis-aligned offsets. */
+ ((struct unaligned *)reloc_addr)->x = symbol_addr +
+ rpnt->r_addend;
+ break;
+
+ case R_OR1K_8_PCREL:
+ case R_OR1K_16_PCREL:
+ case R_OR1K_32_PCREL:
+ case R_OR1K_INSN_REL_26:
+ *reloc_addr = symbol_addr + rpnt->r_addend;
+ break;
+
+ case R_OR1K_GLOB_DAT:
+ case R_OR1K_JMP_SLOT:
+ *reloc_addr = symbol_addr + rpnt->r_addend;
+ break;
+/* Handled by elf_machine_relative */
+ case R_OR1K_RELATIVE:
+ *reloc_addr = (unsigned long)tpnt->loadaddr + rpnt->r_addend;
+ break;
+
+ case R_OR1K_COPY:
+ if (symbol_addr) {
+#if defined (__SUPPORT_LD_DEBUG__)
+ if (_dl_debug_move)
+ _dl_dprintf(_dl_debug_file,
+ "\t%s move %d bytes from %x to %x\n",
+ symname, sym_ref.sym->st_size,
+ symbol_addr, reloc_addr);
+#endif
+
+ _dl_memcpy((char *)reloc_addr,
+ (char *)symbol_addr,
+ sym_ref.sym->st_size);
+ }
+#if defined (__SUPPORT_LD_DEBUG__)
+ else
+ _dl_dprintf(_dl_debug_file, "no symbol_addr to copy !?\n");
+#endif
+ break;
+
+ default:
+ return -1; /* Calls _dl_exit(1). */
+ }
+
+#if defined (__SUPPORT_LD_DEBUG__)
+ if (_dl_debug_reloc && _dl_debug_detail)
+ _dl_dprintf(_dl_debug_file, "\tpatched: %x ==> %x @ %x\n",
+ old_val, ((struct unaligned *)reloc_addr)->x,
+ reloc_addr);
+#endif
+
+ return 0;
+}
+
+static int
+_dl_do_lazy_reloc(struct elf_resolve *tpnt, struct r_scope_elem *scope,
+ ELF_RELOC *rpnt, ElfW(Sym) *symtab, char *strtab)
+{
+ int reloc_type;
+ int symtab_index;
+ ElfW(Addr) *reloc_addr;
+#if defined (__SUPPORT_LD_DEBUG__)
+ ElfW(Addr) old_val;
+#endif
+
+ (void)scope;
+ symtab_index = ELF_R_SYM(rpnt->r_info);
+ (void)strtab;
+
+ reloc_addr = (ElfW(Addr)*)(tpnt->loadaddr + rpnt->r_offset);
+ reloc_type = ELF_R_TYPE(rpnt->r_info);
+
+#if defined (__SUPPORT_LD_DEBUG__)
+ old_val = *reloc_addr;
+#endif
+
+ switch (reloc_type) {
+ case R_OR1K_NONE:
+ break;
+ case R_OR1K_JMP_SLOT:
+ *reloc_addr += (unsigned long)tpnt->loadaddr;
+ break;
+ default:
+ _dl_exit(1);
+ }
+
+#if defined (__SUPPORT_LD_DEBUG__)
+ if (_dl_debug_reloc && _dl_debug_detail)
+ _dl_dprintf(_dl_debug_file, "\tpatched_lazy: %x ==> %x @ %x\n",
+ old_val, *reloc_addr, reloc_addr);
+#endif
+
+ return 0;
+}
+
+void
+_dl_parse_lazy_relocation_information(struct dyn_elf *rpnt,
+ unsigned long rel_addr, unsigned long rel_size)
+{
+ (void)_dl_parse(rpnt->dyn, NULL, rel_addr, rel_size, _dl_do_lazy_reloc);
+}
+
+int
+_dl_parse_relocation_information(struct dyn_elf *rpnt,
+ struct r_scope_elem *scope, unsigned long rel_addr, unsigned long rel_size)
+{
+ return _dl_parse(rpnt->dyn, scope, rel_addr, rel_size, _dl_do_reloc);
+}
diff --git a/ldso/ldso/or1k/resolve.S b/ldso/ldso/or1k/resolve.S
new file mode 100644
index 000000000..4a156d529
--- /dev/null
+++ b/ldso/ldso/or1k/resolve.S
@@ -0,0 +1,54 @@
+/* This code is used in dl-runtime.c to call the `fixup' function
+ and then redirect to the address it returns. */
+/* We assume that R11 contain relocation offset and R12 contains
+ link_map (_DYNAMIC). This must be consistent with the JUMP_SLOT
+ layout generated by binutils. */
+
+/* Based on microblaze implementation */
+/*
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+.text
+.align 4
+.globl _dl_linux_resolver
+.globl _dl_linux_resolve
+.type _dl_linux_resolve,@function
+
+_dl_linux_resolve:
+ l.addi r1, r1, -32
+ l.sw 0(r1), r9
+ /* save function arguments */
+ l.sw 8(r1), r3
+ l.sw 12(r1), r4
+ l.sw 16(r1), r5
+ l.sw 20(r1), r6
+ l.sw 24(r1), r7
+ l.sw 28(r1), r8
+ l.ori r3, r12, 0
+ l.ori r4, r11, 0
+ l.jal _dl_linux_resolver
+ l.nop
+ l.lwz r8, 28(r1)
+ l.lwz r7, 24(r1)
+ l.lwz r6, 20(r1)
+ l.lwz r5, 16(r1)
+ l.lwz r4, 12(r1)
+ l.lwz r3, 8(r1)
+ l.lwz r9, 0(r1)
+ l.addi r1, r1, 32
+ l.jr r11
+ l.nop
+ .size _dl_linux_resolve, . - _dl_linux_resolve