The branch main has been updated by kib:
URL:
https://cgit.FreeBSD.org/src/commit/?id=470b98e61df7291e5486de87168501799061dc2b
commit 470b98e61df7291e5486de87168501799061dc2b
Author: Konstantin Belousov <k...@freebsd.org>
AuthorDate: 2022-01-06 00:44:51 +0000
Commit: Konstantin Belousov <k...@freebsd.org>
CommitDate: 2022-01-06 04:00:39 +0000
rtld: remove mips arch directory
Reviewed by: imp
Sponsored by: The FreeBSD Foundation
Differential revision: https://reviews.freebsd.org/D33763
---
libexec/rtld-elf/mips/Makefile.inc | 3 -
libexec/rtld-elf/mips/reloc.c | 786 -----------------------------------
libexec/rtld-elf/mips/rtld_machdep.h | 80 ----
libexec/rtld-elf/mips/rtld_start.S | 289 -------------
4 files changed, 1158 deletions(-)
diff --git a/libexec/rtld-elf/mips/Makefile.inc
b/libexec/rtld-elf/mips/Makefile.inc
deleted file mode 100644
index 491f5b1bad62..000000000000
--- a/libexec/rtld-elf/mips/Makefile.inc
+++ /dev/null
@@ -1,3 +0,0 @@
-# $FreeBSD$
-
-CFLAGS.reloc.c+=-fno-jump-tables
diff --git a/libexec/rtld-elf/mips/reloc.c b/libexec/rtld-elf/mips/reloc.c
deleted file mode 100644
index 12bfb01ba4ad..000000000000
--- a/libexec/rtld-elf/mips/reloc.c
+++ /dev/null
@@ -1,786 +0,0 @@
-/* $NetBSD: mips_reloc.c,v 1.58 2010/01/14 11:57:06 skrll Exp $ */
-
-/*-
- * SPDX-License-Identifier: BSD-3-Clause
- *
- * Copyright 1997 Michael L. Hitch <mhi...@montana.edu>
- * Portions copyright 2002 Charles M. Hannum <r...@ihack.net>
- * 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. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. The name of the author may not be used to endorse or promote products
- * derived from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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 <sys/cdefs.h>
-__FBSDID("$FreeBSD$");
-
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <sys/endian.h>
-
-#include <stdlib.h>
-#include <string.h>
-#include <inttypes.h>
-
-#include <machine/sysarch.h>
-#include <machine/tls.h>
-
-#include "debug.h"
-#include "rtld.h"
-
-#ifdef __mips_n64
-#define GOT1_MASK 0x8000000000000000UL
-#else
-#define GOT1_MASK 0x80000000UL
-#endif
-
-/*
- * Determine if the second GOT entry is reserved for rtld or if it is
- * the first "real" GOT entry.
- *
- * This must be a macro rather than a function so that
- * _rtld_relocate_nonplt_self doesn't trigger a GOT invocation trying
- * to use it before the local GOT entries in rtld are adjusted.
- */
-#ifdef __mips_n64
-/* Old binutils uses the 32-bit GOT1 mask value for N64. */
-#define GOT1_RESERVED_FOR_RTLD(got) \
- (((got)[1] == 0x80000000) || (got)[1] & GOT1_MASK)
-#else
-#define GOT1_RESERVED_FOR_RTLD(got) ((got)[1] & GOT1_MASK)
-#endif
-
-#ifdef __mips_n64
-/*
- * ELF64 MIPS encodes the relocs uniquely. The first 32-bits of info contain
- * the symbol index. The top 32-bits contain three relocation types encoded
- * in big-endian integer with first relocation in LSB. This means for little
- * endian we have to byte swap that integer (r_type).
- */
-#define Elf_Sxword Elf64_Sxword
-#define ELF_R_NXTTYPE_64_P(r_type) ((((r_type) >> 8) & 0xff) ==
R_TYPE(64))
-#if BYTE_ORDER == LITTLE_ENDIAN
-#undef ELF_R_SYM
-#undef ELF_R_TYPE
-#define ELF_R_SYM(r_info) ((r_info) & 0xffffffff)
-#define ELF_R_TYPE(r_info) bswap32((r_info) >> 32)
-#endif
-#else
-#define ELF_R_NXTTYPE_64_P(r_type) (0)
-#define Elf_Sxword Elf32_Sword
-#endif
-
-void _rtld_pltbind_start(void);
-
-void
-init_pltgot(Obj_Entry *obj)
-{
-
- if (obj->pltgot != NULL) {
- obj->pltgot[0] = (Elf_Addr) &_rtld_bind_start;
- if (GOT1_RESERVED_FOR_RTLD(obj->pltgot))
- obj->pltgot[1] = (Elf_Addr) obj | GOT1_MASK;
- }
- if (obj->mips_pltgot != NULL) {
- obj->mips_pltgot[0] = (Elf_Addr) &_rtld_pltbind_start;
- obj->mips_pltgot[1] = (Elf_Addr) obj;
- }
-}
-
-int
-do_copy_relocations(Obj_Entry *dstobj)
-{
- const Obj_Entry *srcobj, *defobj;
- const Elf_Rel *rellim;
- const Elf_Rel *rel;
- const Elf_Sym *srcsym;
- const Elf_Sym *dstsym;
- const void *srcaddr;
- const char *name;
- void *dstaddr;
- SymLook req;
- size_t size;
- int res;
-
- /*
- * COPY relocs are invalid outside of the main program
- */
- assert(dstobj->mainprog);
-
- rellim = (const Elf_Rel *)((const char *)dstobj->rel + dstobj->relsize);
- for (rel = dstobj->rel; rel < rellim; rel++) {
- if (ELF_R_TYPE(rel->r_info) != R_MIPS_COPY)
- continue;
-
- dstaddr = (void *)(dstobj->relocbase + rel->r_offset);
- dstsym = dstobj->symtab + ELF_R_SYM(rel->r_info);
- name = dstobj->strtab + dstsym->st_name;
- size = dstsym->st_size;
-
- symlook_init(&req, name);
- req.ventry = fetch_ventry(dstobj, ELF_R_SYM(rel->r_info));
- req.flags = SYMLOOK_EARLY;
-
- for (srcobj = globallist_next(dstobj); srcobj != NULL;
- srcobj = globallist_next(srcobj)) {
- res = symlook_obj(&req, srcobj);
- if (res == 0) {
- srcsym = req.sym_out;
- defobj = req.defobj_out;
- break;
- }
- }
- if (srcobj == NULL) {
- _rtld_error(
-"Undefined symbol \"%s\" referenced from COPY relocation in %s",
- name, dstobj->path);
- return (-1);
- }
-
- srcaddr = (const void *)(defobj->relocbase + srcsym->st_value);
- memcpy(dstaddr, srcaddr, size);
- }
-
- return (0);
-}
-
-void _rtld_relocate_nonplt_self(Elf_Dyn *, Elf_Addr);
-
-/*
- * It is possible for the compiler to emit relocations for unaligned data.
- * We handle this situation with these inlines.
- */
-static __inline Elf_Sxword
-load_ptr(void *where, size_t len)
-{
- Elf_Sxword val;
-
- if (__predict_true(((uintptr_t)where & (len - 1)) == 0)) {
-#ifdef __mips_n64
- if (len == sizeof(Elf_Sxword))
- return *(Elf_Sxword *)where;
-#endif
- return *(Elf_Sword *)where;
- }
-
- val = 0;
-#if BYTE_ORDER == LITTLE_ENDIAN
- (void)memcpy(&val, where, len);
-#endif
-#if BYTE_ORDER == BIG_ENDIAN
- (void)memcpy((uint8_t *)((&val)+1) - len, where, len);
-#endif
- return (len == sizeof(Elf_Sxword)) ? val : (Elf_Sword)val;
-}
-
-static __inline void
-store_ptr(void *where, Elf_Sxword val, size_t len)
-{
- if (__predict_true(((uintptr_t)where & (len - 1)) == 0)) {
-#ifdef __mips_n64
- if (len == sizeof(Elf_Sxword)) {
- *(Elf_Sxword *)where = val;
- return;
- }
-#endif
- *(Elf_Sword *)where = val;
- return;
- }
-#if BYTE_ORDER == LITTLE_ENDIAN
- (void)memcpy(where, &val, len);
-#endif
-#if BYTE_ORDER == BIG_ENDIAN
- (void)memcpy(where, (const uint8_t *)((&val)+1) - len, len);
-#endif
-}
-
-void
-_rtld_relocate_nonplt_self(Elf_Dyn *dynp, Elf_Addr relocbase)
-{
- const Elf_Rel *rel = NULL, *rellim;
- Elf_Addr relsz = 0;
- const Elf_Sym *symtab = NULL, *sym;
- Elf_Addr *where;
- Elf_Addr *got = NULL;
- Elf_Word local_gotno = 0, symtabno = 0, gotsym = 0;
- size_t i;
-
- for (; dynp->d_tag != DT_NULL; dynp++) {
- switch (dynp->d_tag) {
- case DT_REL:
- rel = (const Elf_Rel *)(relocbase + dynp->d_un.d_ptr);
- break;
- case DT_RELSZ:
- relsz = dynp->d_un.d_val;
- break;
- case DT_SYMTAB:
- symtab = (const Elf_Sym *)(relocbase +
dynp->d_un.d_ptr);
- break;
- case DT_PLTGOT:
- got = (Elf_Addr *)(relocbase + dynp->d_un.d_ptr);
- break;
- case DT_MIPS_LOCAL_GOTNO:
- local_gotno = dynp->d_un.d_val;
- break;
- case DT_MIPS_SYMTABNO:
- symtabno = dynp->d_un.d_val;
- break;
- case DT_MIPS_GOTSYM:
- gotsym = dynp->d_un.d_val;
- break;
- }
- }
-
- i = GOT1_RESERVED_FOR_RTLD(got) ? 2 : 1;
- /* Relocate the local GOT entries */
- got += i;
- for (; i < local_gotno; i++) {
- *got++ += relocbase;
- }
-
- sym = symtab + gotsym;
- /* Now do the global GOT entries */
- for (i = gotsym; i < symtabno; i++) {
- *got = sym->st_value + relocbase;
- ++sym;
- ++got;
- }
-
- rellim = (const Elf_Rel *)((const char *)rel + relsz);
- for (; rel < rellim; rel++) {
- Elf_Word r_symndx, r_type;
-
- where = (void *)(relocbase + rel->r_offset);
-
- r_symndx = ELF_R_SYM(rel->r_info);
- r_type = ELF_R_TYPE(rel->r_info);
-
- switch (r_type & 0xff) {
- case R_TYPE(REL32): {
- const size_t rlen =
- ELF_R_NXTTYPE_64_P(r_type)
- ? sizeof(Elf_Sxword)
- : sizeof(Elf_Sword);
- Elf_Sxword old = load_ptr(where, rlen);
- Elf_Sxword val = old;
-#ifdef __mips_n64
- assert(r_type == R_TYPE(REL32)
- || r_type == (R_TYPE(REL32)|(R_TYPE(64) << 8)));
-#endif
- assert(r_symndx < gotsym);
- sym = symtab + r_symndx;
- assert(ELF_ST_BIND(sym->st_info) == STB_LOCAL);
- val += relocbase;
- dbg("REL32/L(%p) %p -> %p in <self>",
- where, (void *)old, (void *)val);
- store_ptr(where, val, rlen);
- break;
- }
-
- case R_TYPE(GPREL32):
- case R_TYPE(NONE):
- break;
-
-
- default:
- abort();
- break;
- }
- }
-}
-
-Elf_Addr
-_mips_rtld_bind(Obj_Entry *obj, Elf_Size reloff)
-{
- Elf_Addr *got = obj->pltgot;
- const Elf_Sym *def;
- const Obj_Entry *defobj;
- Elf_Addr *where;
- Elf_Addr target;
- RtldLockState lockstate;
-
- rlock_acquire(rtld_bind_lock, &lockstate);
- if (sigsetjmp(lockstate.env, 0) != 0)
- lock_upgrade(rtld_bind_lock, &lockstate);
-
- where = &got[obj->local_gotno + reloff - obj->gotsym];
- def = find_symdef(reloff, obj, &defobj, SYMLOOK_IN_PLT, NULL,
- &lockstate);
- if (def == NULL)
- rtld_die();
-
- target = (Elf_Addr)(defobj->relocbase + def->st_value);
- dbg("bind now/fixup at %s sym # %jd in %s --> was=%p new=%p",
- obj->path,
- (intmax_t)reloff, defobj->strtab + def->st_name,
- (void *)*where, (void *)target);
- if (!ld_bind_not)
- *where = target;
- lock_release(rtld_bind_lock, &lockstate);
- return (Elf_Addr)target;
-}
-
-int
-reloc_non_plt(Obj_Entry *obj, Obj_Entry *obj_rtld, int flags,
- RtldLockState *lockstate)
-{
- const Elf_Rel *rel;
- const Elf_Rel *rellim;
- Elf_Addr *got = obj->pltgot;
- const Elf_Sym *sym, *def;
- const Obj_Entry *defobj;
- Elf_Word i;
-#ifdef SUPPORT_OLD_BROKEN_LD
- int broken;
-#endif
-
- /* The relocation for the dynamic loader has already been done. */
- if (obj == obj_rtld)
- return (0);
-
- if ((flags & SYMLOOK_IFUNC) != 0)
- /* XXX not implemented */
- return (0);
-
-#ifdef SUPPORT_OLD_BROKEN_LD
- broken = 0;
- sym = obj->symtab;
- for (i = 1; i < 12; i++)
- if (sym[i].st_info == ELF_ST_INFO(STB_LOCAL, STT_NOTYPE))
- broken = 1;
- dbg("%s: broken=%d", obj->path, broken);
-#endif
-
- i = GOT1_RESERVED_FOR_RTLD(got) ? 2 : 1;
-
- /* Relocate the local GOT entries */
- got += i;
- dbg("got:%p for %d entries adding %p",
- got, obj->local_gotno, obj->relocbase);
- for (; i < obj->local_gotno; i++) {
- *got += (Elf_Addr)obj->relocbase;
- got++;
- }
- sym = obj->symtab + obj->gotsym;
-
- dbg("got:%p for %d entries",
- got, obj->symtabno);
- /* Now do the global GOT entries */
- for (i = obj->gotsym; i < obj->symtabno; i++) {
- dbg(" doing got %d sym %p (%s, %lx)", i - obj->gotsym, sym,
- sym->st_name + obj->strtab, (u_long) *got);
-
-#ifdef SUPPORT_OLD_BROKEN_LD
- if (ELF_ST_TYPE(sym->st_info) == STT_FUNC &&
- broken && sym->st_shndx == SHN_UNDEF) {
- /*
- * XXX DANGER WILL ROBINSON!
- * You might think this is stupid, as it intentionally
- * defeats lazy binding -- and you'd be right.
- * Unfortunately, for lazy binding to work right, we
- * need to a way to force the GOT slots used for
- * function pointers to be resolved immediately. This
- * is supposed to be done automatically by the linker,
- * by not outputting a PLT slot and setting st_value
- * to 0 if there are non-PLT references, but older
- * versions of GNU ld do not do this.
- */
- def = find_symdef(i, obj, &defobj, flags, NULL,
- lockstate);
- if (def == NULL)
- return -1;
- *got = def->st_value + (Elf_Addr)defobj->relocbase;
- } else
-#endif
- if (ELF_ST_TYPE(sym->st_info) == STT_FUNC &&
- sym->st_value != 0 && sym->st_shndx == SHN_UNDEF) {
- /*
- * If there are non-PLT references to the function,
- * st_value should be 0, forcing us to resolve the
- * address immediately.
- *
- * XXX DANGER WILL ROBINSON!
- * The linker is not outputting PLT slots for calls to
- * functions that are defined in the same shared
- * library. This is a bug, because it can screw up
- * link ordering rules if the symbol is defined in
- * more than one module. For now, if there is a
- * definition, we fail the test above and force a full
- * symbol lookup. This means that all intra-module
- * calls are bound immediately. - mycroft, 2003/09/24
- */
- *got = sym->st_value + (Elf_Addr)obj->relocbase;
- if ((Elf_Addr)(*got) == (Elf_Addr)obj->relocbase) {
- dbg("Warning2, i:%d maps to relocbase
address:%p",
- i, obj->relocbase);
- }
-
- } else if (sym->st_info == ELF_ST_INFO(STB_GLOBAL,
STT_SECTION)) {
- /* Symbols with index SHN_ABS are not relocated. */
- if (sym->st_shndx != SHN_ABS) {
- *got = sym->st_value +
- (Elf_Addr)obj->relocbase;
- if ((Elf_Addr)(*got) ==
(Elf_Addr)obj->relocbase) {
- dbg("Warning3, i:%d maps to relocbase
address:%p",
- i, obj->relocbase);
- }
- }
- } else {
- /* TODO: add cache here */
- def = find_symdef(i, obj, &defobj, flags, NULL,
- lockstate);
- if (def == NULL) {
- dbg("Warning4, can't find symbole %d", i);
- return -1;
- }
- *got = def->st_value + (Elf_Addr)defobj->relocbase;
- if ((Elf_Addr)(*got) == (Elf_Addr)obj->relocbase) {
- dbg("Warning4, i:%d maps to relocbase
address:%p",
- i, obj->relocbase);
- dbg("via first obj symbol %s",
- obj->strtab + obj->symtab[i].st_name);
- dbg("found in obj %p:%s",
- defobj, defobj->path);
- }
- }
-
- dbg(" --> now %lx", (u_long) *got);
- ++sym;
- ++got;
- }
-
- got = obj->pltgot;
- rellim = (const Elf_Rel *)((const char *)obj->rel + obj->relsize);
- for (rel = obj->rel; rel < rellim; rel++) {
- Elf_Word r_symndx, r_type;
- void *where;
-
- where = obj->relocbase + rel->r_offset;
- r_symndx = ELF_R_SYM(rel->r_info);
- r_type = ELF_R_TYPE(rel->r_info);
-
- switch (r_type & 0xff) {
- case R_TYPE(NONE):
- break;
-
- case R_TYPE(REL32): {
- /* 32-bit PC-relative reference */
- const size_t rlen =
- ELF_R_NXTTYPE_64_P(r_type)
- ? sizeof(Elf_Sxword)
- : sizeof(Elf_Sword);
- Elf_Sxword old = load_ptr(where, rlen);
- Elf_Sxword val = old;
-
- def = obj->symtab + r_symndx;
-
- if (r_symndx >= obj->gotsym) {
- val += got[obj->local_gotno + r_symndx -
obj->gotsym];
- dbg("REL32/G(%p) %p --> %p (%s) in %s",
- where, (void *)old, (void *)val,
- obj->strtab + def->st_name,
- obj->path);
- } else {
- /*
- * XXX: ABI DIFFERENCE!
- *
- * Old NetBSD binutils would generate shared
- * libs with section-relative relocations being
- * already adjusted for the start address of
- * the section.
- *
- * New binutils, OTOH, generate shared libs
- * with the same relocations being based at
- * zero, so we need to add in the start address
- * of the section.
- *
- * --rkb, Oct 6, 2001
- */
-
- if (def->st_info ==
- ELF_ST_INFO(STB_LOCAL, STT_SECTION)
-#ifdef SUPPORT_OLD_BROKEN_LD
- && !broken
-#endif
- )
- val += (Elf_Addr)def->st_value;
-
- val += (Elf_Addr)obj->relocbase;
-
- dbg("REL32/L(%p) %p -> %p (%s) in %s",
- where, (void *)old, (void *)val,
- obj->strtab + def->st_name, obj->path);
- }
- store_ptr(where, val, rlen);
- break;
- }
-
- case R_TYPE(COPY):
- /*
- * These are deferred until all other relocations have
- * been done. All we do here is make sure that the
- * COPY relocation is not in a shared library. They
- * are allowed only in executable files.
- */
- if (!obj->mainprog) {
- _rtld_error("%s: Unexpected R_MIPS_COPY "
- "relocation in shared library", obj->path);
- return (-1);
- }
- break;
-
-#ifdef __mips_n64
- case R_TYPE(TLS_DTPMOD64):
-#else
- case R_TYPE(TLS_DTPMOD32):
-#endif
- {
-
- const size_t rlen = sizeof(Elf_Addr);
- Elf_Addr old = load_ptr(where, rlen);
- Elf_Addr val = old;
-
- def = find_symdef(r_symndx, obj, &defobj, flags, NULL,
- lockstate);
- if (def == NULL)
- return -1;
-
- val += (Elf_Addr)defobj->tlsindex;
-
- store_ptr(where, val, rlen);
- dbg("DTPMOD %s in %s %p --> %p in %s",
- obj->strtab + obj->symtab[r_symndx].st_name,
- obj->path, (void *)old, (void*)val, defobj->path);
- break;
- }
-
-#ifdef __mips_n64
- case R_TYPE(TLS_DTPREL64):
-#else
- case R_TYPE(TLS_DTPREL32):
-#endif
- {
- const size_t rlen = sizeof(Elf_Addr);
- Elf_Addr old = load_ptr(where, rlen);
- Elf_Addr val = old;
-
- def = find_symdef(r_symndx, obj, &defobj, flags, NULL,
- lockstate);
- if (def == NULL)
- return -1;
-
- if (!defobj->tls_done && !allocate_tls_offset(obj))
- return -1;
-
- val += (Elf_Addr)def->st_value - TLS_DTV_OFFSET;
- store_ptr(where, val, rlen);
-
- dbg("DTPREL %s in %s %p --> %p in %s",
- obj->strtab + obj->symtab[r_symndx].st_name,
- obj->path, (void*)old, (void *)val, defobj->path);
- break;
- }
-
-#ifdef __mips_n64
- case R_TYPE(TLS_TPREL64):
-#else
- case R_TYPE(TLS_TPREL32):
-#endif
- {
- const size_t rlen = sizeof(Elf_Addr);
- Elf_Addr old = load_ptr(where, rlen);
- Elf_Addr val = old;
-
- def = find_symdef(r_symndx, obj, &defobj, flags, NULL,
- lockstate);
-
- if (def == NULL)
- return -1;
-
- if (!defobj->tls_done && !allocate_tls_offset(obj))
- return -1;
-
- val += (Elf_Addr)(def->st_value + defobj->tlsoffset
- - TLS_TP_OFFSET - TLS_TCB_SIZE);
- store_ptr(where, val, rlen);
-
- dbg("TPREL %s in %s %p --> %p in %s",
- obj->strtab + obj->symtab[r_symndx].st_name,
- obj->path, (void*)old, (void *)val, defobj->path);
- break;
- }
-
-
-
- default:
- dbg("sym = %lu, type = %lu, offset = %p, "
- "contents = %p, symbol = %s",
- (u_long)r_symndx, (u_long)ELF_R_TYPE(rel->r_info),
- (void *)rel->r_offset,
- (void *)load_ptr(where, sizeof(Elf_Sword)),
- obj->strtab + obj->symtab[r_symndx].st_name);
- _rtld_error("%s: Unsupported relocation type %ld "
- "in non-PLT relocations",
- obj->path, (u_long) ELF_R_TYPE(rel->r_info));
- return -1;
- }
- }
-
- return 0;
-}
-
-/*
- * Process the PLT relocations.
- */
-int
-reloc_plt(Obj_Entry *obj, int flags __unused, RtldLockState *lockstate
__unused)
-{
- const Elf_Rel *rellim;
- const Elf_Rel *rel;
-
- rellim = (const Elf_Rel *)((const char *)obj->pltrel + obj->pltrelsize);
- for (rel = obj->pltrel; rel < rellim; rel++) {
- Elf_Addr *where;
-
- switch (ELF_R_TYPE(rel->r_info)) {
- case R_MIPS_JUMP_SLOT:
- where = (Elf_Addr *)(obj->relocbase + rel->r_offset);
- *where += (Elf_Addr )obj->relocbase;
- break;
- default:
- _rtld_error("Unknown relocation type %u in PLT",
- (unsigned int)ELF_R_TYPE(rel->r_info));
- return (-1);
- }
- }
-
- return (0);
-}
-
-/*
- * LD_BIND_NOW was set - force relocation for all jump slots
- */
-int
-reloc_jmpslots(Obj_Entry *obj, int flags, RtldLockState *lockstate)
-{
- const Obj_Entry *defobj;
- const Elf_Rel *rellim;
- const Elf_Rel *rel;
- const Elf_Sym *def;
-
- rellim = (const Elf_Rel *)((const char *)obj->pltrel + obj->pltrelsize);
- for (rel = obj->pltrel; rel < rellim; rel++) {
- Elf_Addr *where;
-
- switch (ELF_R_TYPE(rel->r_info)) {
- case R_MIPS_JUMP_SLOT:
- def = find_symdef(ELF_R_SYM(rel->r_info), obj,
- &defobj, SYMLOOK_IN_PLT | flags, NULL, lockstate);
- if (def == NULL) {
- dbg("reloc_jmpslots: sym not found");
- return (-1);
- }
-
- where = (Elf_Addr *)(obj->relocbase + rel->r_offset);
- *where = (Elf_Addr)(defobj->relocbase + def->st_value);
- break;
- default:
- _rtld_error("Unknown relocation type %u in PLT",
- (unsigned int)ELF_R_TYPE(rel->r_info));
- return (-1);
- }
- }
-
- return (0);
-}
-
-int
-reloc_iresolve(Obj_Entry *obj __unused,
- struct Struct_RtldLockState *lockstate __unused)
-{
-
- /* XXX not implemented */
- return (0);
-}
-
-int
-reloc_iresolve_nonplt(Obj_Entry *obj __unused,
- struct Struct_RtldLockState *lockstate __unused)
-{
-
- /* XXX not implemented */
- return (0);
-}
-
-int
-reloc_gnu_ifunc(Obj_Entry *obj __unused, int flags __unused,
- struct Struct_RtldLockState *lockstate __unused)
-{
-
- /* XXX not implemented */
- return (0);
-}
-
-Elf_Addr
-reloc_jmpslot(Elf_Addr *where, Elf_Addr target,
- const Obj_Entry *defobj __unused, const Obj_Entry *obj __unused,
- const Elf_Rel *rel)
-{
-
- assert(ELF_R_TYPE(rel->r_info) == R_MIPS_JUMP_SLOT);
-
- if (*where != target && !ld_bind_not)
- *where = target;
- return (target);
-}
-
-void
-ifunc_init(Elf_Auxinfo aux_info[__min_size(AT_COUNT)] __unused)
-{
-
-}
-
-void
-allocate_initial_tls(Obj_Entry *objs)
-{
-
- /*
- * Fix the size of the static TLS block by using the maximum
- * offset allocated so far and adding a bit for dynamic modules to
- * use.
- */
- tls_static_space = tls_last_offset + tls_last_size +
RTLD_STATIC_TLS_EXTRA;
-
- _tcb_set(allocate_tls(objs, NULL, TLS_TCB_SIZE, TLS_TCB_ALIGN));
-}
-
-void *
-__tls_get_addr(tls_index* ti)
-{
- uintptr_t **dtvp;
- char *p;
-
- dtvp = &_tcb_get()->tcb_dtv;
- p = tls_get_addr_common(dtvp, ti->ti_module, ti->ti_offset);
-
- return (p + TLS_DTV_OFFSET);
-}
diff --git a/libexec/rtld-elf/mips/rtld_machdep.h
b/libexec/rtld-elf/mips/rtld_machdep.h
deleted file mode 100644
index 2826a56f34c1..000000000000
--- a/libexec/rtld-elf/mips/rtld_machdep.h
+++ /dev/null
@@ -1,80 +0,0 @@
-/*-
- * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
- *
- * Copyright (c) 1999, 2000 John D. Polstra.
- * 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. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND 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 AUTHOR OR 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.
- *
- * $FreeBSD$
- */
-
-#ifndef RTLD_MACHDEP_H
-#define RTLD_MACHDEP_H 1
-
-#include <sys/types.h>
-#include <machine/atomic.h>
-#include <machine/tls.h>
-
-struct Struct_Obj_Entry;
-
-/* Return the address of the .dynamic section in the dynamic linker. */
-#define rtld_dynamic(obj) (&_DYNAMIC)
-
-Elf_Addr reloc_jmpslot(Elf_Addr *where, Elf_Addr target,
- const struct Struct_Obj_Entry *defobj, const struct Struct_Obj_Entry *obj,
- const Elf_Rel *rel);
-Elf_Addr _mips_rtld_bind(struct Struct_Obj_Entry *obj, Elf_Size reloff);
-
-#define make_function_pointer(def, defobj) \
- ((defobj)->relocbase + (def)->st_value)
-
-#define call_initfini_pointer(obj, target) \
- (((InitFunc)(target))())
-
-#define call_init_pointer(obj, target) \
- (((InitArrFunc)(target))(main_argc, main_argv, environ))
-
-#define call_ifunc_resolver(ptr) \
- (((Elf_Addr (*)(void))ptr)())
-
-typedef struct {
- unsigned long ti_module;
- unsigned long ti_offset;
-} tls_index;
-
-#define round(size, align) \
- (((size) + (align) - 1) & ~((align) - 1))
-#define calculate_first_tls_offset(size, align, offset) \
- TLS_TCB_SIZE
-#define calculate_tls_offset(prev_offset, prev_size, size, align, offset) \
- round(prev_offset + prev_size, align)
-#define calculate_tls_post_size(align) 0
-
-extern void *__tls_get_addr(tls_index *ti);
-
-#define RTLD_DEFAULT_STACK_PF_EXEC PF_X
-#define RTLD_DEFAULT_STACK_EXEC PROT_EXEC
-
-#define md_abi_variant_hook(x)
-
-#endif
diff --git a/libexec/rtld-elf/mips/rtld_start.S
b/libexec/rtld-elf/mips/rtld_start.S
deleted file mode 100644
index 242887e3cbb7..000000000000
--- a/libexec/rtld-elf/mips/rtld_start.S
+++ /dev/null
@@ -1,289 +0,0 @@
-/* $NetBSD: rtld_start.S,v 1.10 2009/12/14 00:41:19 matt Exp $ */
-
-/*
- * Copyright 1997 Michael L. Hitch <mhi...@montana.edu>
- * Portions copyright 2002 Charles M. Hannum <r...@ihack.net>
- * 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. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. The name of the author may not be used to endorse or promote products
- * derived from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
- *
- * $FreeBSD$
- */
-
-#include <machine/asm.h>
-
-#if defined(__clang__) || (defined(__GNUC__) && __GNUC__ > 4)
- .cfi_sections .debug_frame
-#endif
-
-.globl _C_LABEL(_rtld_relocate_nonplt_self)
-.globl _C_LABEL(_rtld)
-
-#define PTR_SIZE (1<<PTR_SCALESHIFT)
-
-/*
- * a0 stack pointer
- * a1 rtld cleanup (filled in by dynamic loader)
- * a2 rtld object (filled in by dynamic loader)
- * a3 ps_strings
- */
-NESTED(rtld_start, 4*PTR_SIZE, ra)
- .mask 0x10090000,-PTR_SIZE
- .set noreorder
- SETUP_GP
- PTR_SUBU sp, 4*PTR_SIZE /* adjust stack pointer */
- SETUP_GP64(s4, rtld_start)
- SAVE_GP(0)
- /* -> 1*PTR_SIZE(sp) for atexit */
- /* -> 2*PTR_SIZE(sp) for obj_main */
- move s0, a0 /* save stack pointer from a0 */
- move s3, a3 /* save ps_strings pointer */
-
- PTR_LA a1, 1f
- bal 1f
- PTR_LA t0, _C_LABEL(_rtld_relocate_nonplt_self)
-1: PTR_SUBU a1, ra, a1 /* relocbase */
- PTR_LA a0, _DYNAMIC
- PTR_ADDU t9, a1, t0
- jalr t9 /* _rtld_relocate_nonplt_self(dynp,
relocabase) */
- PTR_ADDU a0, a1, a0 /* &_DYNAMIC */
-
- move a0, s0 /* sp */
- PTR_ADDU a1, sp, 2*PTR_SIZE /* &our atexit function */
*** 217 LINES SKIPPED ***
