remove sh64 support

No real hardware available. The project for sh64 with sh5 seems
dead since 10 years. Gcc will remove support for it soon.

1 files changed, 0 insertions, 345 deletions

diff --git a/ldso/ldso/sh64/elfinterp.c b/ldso/ldso/sh64/elfinterp.c
deleted file mode 100644
index 3a59bc4be..000000000
--- a/ldso/ldso/sh64/elfinterp.c
+++ /dev/null
@@ -1,345 +0,0 @@
-/* vi: set sw=8 ts=8: */
-/*
- * ldso/ldso/sh64/elfinterp.c
- *
- * SuperH (sh64) ELF shared library loader suppport
- *
- * Copyright (C) 2003, 2004, 2005  Paul Mundt <lethal@linux-sh.org>
- *
- * 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.
- */
-
-/* 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. */
-
-#include "ldso.h"
-
-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;
-	unsigned long instr_addr;
-	char *symname;
-
-	rel_addr = (char *)tpnt->dynamic_info[DT_JMPREL];
-
-	this_reloc = (ELF_RELOC *)(intptr_t)(rel_addr + reloc_entry);
-	symtab_index = ELF_R_SYM(this_reloc->r_info);
-
-	symtab = (ElfW(Sym) *)(intptr_t)tpnt->dynamic_info[DT_SYMTAB];
-	strtab = (char *)tpnt->dynamic_info[DT_STRTAB];
-	symname = strtab + symtab[symtab_index].st_name;
-
-	/* Address of jump instruction to fix up */
-	instr_addr = ((unsigned long)this_reloc->r_offset +
-			(unsigned long)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'\n",
-			    _dl_progname, symname);
-		_dl_exit(1);
-	}
-
-#ifdef __SUPPORT_LD_DEBUG__
-	if ((unsigned long)got_addr < 0x20000000) {
-		if (_dl_debug_bindings) {
-			_dl_dprintf(_dl_debug_file, "\nresolve function: %s",
-				    symname);
-
-			if (_dl_debug_detail)
-				_dl_dprintf(_dl_debug_file,
-					    "\n\tpatched %x ==> %x @ %x\n",
-					    *got_addr, new_addr, got_addr);
-		}
-	}
-
-	if (!_dl_debug_nofixups)
-		*got_addr = new_addr;
-#else
-	*got_addr = new_addr;
-#endif
-
-	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;
-
-	/* Now parse the relocation information */
-	rpnt = (ELF_RELOC *)(intptr_t)rel_addr;
-	rel_size = rel_size / sizeof(ELF_RELOC);
-
-	symtab = (ElfW(Sym) *)(intptr_t)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 "
-#ifdef __SUPPORT_LD_DEBUG__
-					"%s\n", _dl_reltypes(reloc_type)
-#else
-					"%x\n", reloc_type
-#endif
-			);
-
-			_dl_exit(-res);
-		}
-		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, lsb;
-	char *symname;
-	unsigned long *reloc_addr;
-	unsigned long symbol_addr;
-#ifdef __SUPPORT_LD_DEBUG__
-	unsigned long old_val;
-#endif
-	struct symbol_ref sym_ref;
-
-	reloc_type   = ELF_R_TYPE(rpnt->r_info);
-	symtab_index = ELF_R_SYM(rpnt->r_info);
-	symbol_addr  = 0;
-	lsb          = !!(symtab[symtab_index].st_other & STO_SH5_ISA32);
-	sym_ref.sym = &symtab[symtab_index];
-	sym_ref.tpnt = NULL;
-	symname      = strtab + symtab[symtab_index].st_name;
-	reloc_addr   = (unsigned long *)(intptr_t)
-		(tpnt->loadaddr + (unsigned long)rpnt->r_offset);
-
-	if (symtab_index) {
-		int stb;
-
-		symbol_addr = (unsigned long)_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.
-		 */
-		stb = ELF_ST_BIND(symtab[symtab_index].st_info);
-
-		if (stb != STB_WEAK && !symbol_addr) {
-			_dl_dprintf (2, "%s: can't resolve symbol '%s'\n",
-				     _dl_progname, symname);
-			_dl_exit (1);
-		}
-		if (_dl_trace_prelink) {
-			_dl_debug_lookup (symname, tpnt, &symtab[symtab_index],
-				&sym_ref, elf_machine_type_class(reloc_type));
-		}
-	}
-
-#ifdef __SUPPORT_LD_DEBUG__
-	old_val = *reloc_addr;
-#endif
-
-	switch (reloc_type) {
-	case R_SH_NONE:
-		break;
-	case R_SH_COPY:
-		_dl_memcpy((char *)reloc_addr,
-			   (char *)symbol_addr, symtab[symtab_index].st_size);
-		break;
-	case R_SH_DIR32:
-	case R_SH_GLOB_DAT:
-	case R_SH_JMP_SLOT:
-		*reloc_addr = (symbol_addr + rpnt->r_addend) | lsb;
-		break;
-	case R_SH_REL32:
-		*reloc_addr = symbol_addr + rpnt->r_addend -
-			(unsigned long)reloc_addr;
-		break;
-	case R_SH_RELATIVE:
-		*reloc_addr = (unsigned long)tpnt->loadaddr + rpnt->r_addend;
-		break;
-	case R_SH_RELATIVE_LOW16:
-	case R_SH_RELATIVE_MEDLOW16:
-	    {
-		unsigned long word, value;
-
-		word = (unsigned long)reloc_addr & ~0x3fffc00;
-		value = (unsigned long)tpnt->loadaddr + rpnt->r_addend;
-
-		if (reloc_type == R_SH_RELATIVE_MEDLOW16)
-			value >>= 16;
-
-		word |= (value & 0xffff) << 10;
-		*reloc_addr = word;
-
-		break;
-	    }
-	case R_SH_IMM_LOW16:
-	case R_SH_IMM_MEDLOW16:
-	    {
-		unsigned long word, value;
-
-		word = (unsigned long)reloc_addr & ~0x3fffc00;
-		value = (symbol_addr + rpnt->r_addend) | lsb;
-
-		if (reloc_type == R_SH_IMM_MEDLOW16)
-			value >>= 16;
-
-		word |= (value & 0xffff) << 10;
-		*reloc_addr = word;
-
-		break;
-	    }
-	case R_SH_IMM_LOW16_PCREL:
-	case R_SH_IMM_MEDLOW16_PCREL:
-	    {
-		unsigned long word, value;
-
-		word = (unsigned long)reloc_addr & ~0x3fffc00;
-		value = symbol_addr + rpnt->r_addend -
-			(unsigned long)reloc_addr;
-
-		if (reloc_type == R_SH_IMM_MEDLOW16_PCREL)
-			value >>= 16;
-
-		word |= (value & 0xffff) << 10;
-		*reloc_addr = word;
-
-		break;
-	    }
-	default:
-		return -1; /*call _dl_exit(1) */
-	}
-
-#ifdef __SUPPORT_LD_DEBUG__
-	if (_dl_debug_reloc && _dl_debug_detail)
-		_dl_dprintf(_dl_debug_file, "\tpatched: %x ==> %x @ %x\n",
-			    old_val, *reloc_addr, 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, symtab_index, lsb;
-	unsigned long *reloc_addr;
-#ifdef __SUPPORT_LD_DEBUG__
-	unsigned long old_val;
-#endif
-
-	reloc_type   = ELF_R_TYPE(rpnt->r_info);
-	symtab_index = ELF_R_SYM(rpnt->r_info);
-	lsb          = !!(symtab[symtab_index].st_other & STO_SH5_ISA32);
-	reloc_addr   = (unsigned long *)(intptr_t)
-		(tpnt->loadaddr + (unsigned long)rpnt->r_offset);
-
-#ifdef __SUPPORT_LD_DEBUG__
-	old_val = *reloc_addr;
-#endif
-
-	switch (reloc_type) {
-	case R_SH_NONE:
-		break;
-	case R_SH_JMP_SLOT:
-		*reloc_addr += (unsigned long)tpnt->loadaddr | lsb;
-		break;
-	default:
-		return -1; /*call _dl_exit(1) */
-	}
-
-#ifdef __SUPPORT_LD_DEBUG__
-	if (_dl_debug_reloc && _dl_debug_detail)
-		_dl_dprintf(_dl_debug_file, "\tpatched: %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);
-}