MIPS changes.
This commit is contained in:
parent
bcb5cee069
commit
0134d025bc
|
@ -1,21 +1,21 @@
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/* BSD `_setjmp' entry point to `sigsetjmp (..., 0)'. MIPS version.
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Copyright (C) 1994, 1995 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Copyright (C) 1996, 1997 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If
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not, write to the Free Software Foundation, Inc., 675 Mass Ave,
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Cambridge, MA 02139, USA. */
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If not,
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write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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/* This just does a tail-call to `__sigsetjmp (ARG, 0)'.
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We cannot do it in C because it must be a tail-call, so frame-unwinding
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@ -23,7 +23,14 @@ Cambridge, MA 02139, USA. */
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#include <sysdep.h>
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ENTRY (setjmp)
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j C_SYMBOL_NAME (__sigsetjmp)
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li a1, $0 /* Pass a second argument of zero. */
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.end setjmp
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#ifdef PIC
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.option pic2
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#endif
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ENTRY (_setjmp)
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#ifdef PIC
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.cpload t9
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#endif
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la t9, C_SYMBOL_NAME (__sigsetjmp)
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nop
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jr t9
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li a1, 0 /* Pass a second argument of zero. */
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@ -1,21 +1,21 @@
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/* BSD `setjmp' entry point to `sigsetjmp (..., 1)'. MIPS version.
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Copyright (C) 1994, 1995 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Copyright (C) 1996, 1997 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If
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not, write to the Free Software Foundation, Inc., 675 Mass Ave,
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Cambridge, MA 02139, USA. */
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If not,
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write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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/* This just does a tail-call to `__sigsetjmp (ARG, 1)'.
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We cannot do it in C because it must be a tail-call, so frame-unwinding
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@ -23,7 +23,14 @@ Cambridge, MA 02139, USA. */
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#include <sysdep.h>
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#ifdef PIC
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.option pic2
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#endif
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ENTRY (setjmp)
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j C_SYMBOL_NAME (__sigsetjmp)
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#ifdef PIC
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.cpload t9
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#endif
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la t9, C_SYMBOL_NAME (__sigsetjmp)
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nop
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jr t9
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li a1, 1 /* Pass a second argument of one. */
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.end setjmp
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@ -18,30 +18,25 @@
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write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#ifndef dl_machine_h
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#define dl_machine_h
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#define ELF_MACHINE_NAME "MIPS"
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#include <assert.h>
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#include <string.h>
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#include <link.h>
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#include <sys/types.h>
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#include <sys/mman.h>
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#include <unistd.h>
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/* Translate a processor specific dynamic tag to the index
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in l_info array. */
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#define DT_MIPS(x) (DT_MIPS_##x - DT_LOPROC + DT_NUM)
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#if 1
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/* XXX If FLAGS has the MAP_ALIGN bit, we need 64k alignment. */
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#ifndef MAP_ALIGN
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#define MAP_ALIGN 0x1000
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#endif
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#define ELF_MACHINE_ALIGN_MASK(flags) ((flags & MAP_ALIGN) ? 0xffff : 0)
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#if 0
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/* We may need 64k alignment. */
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#define ELF_MACHINE_ALIGN_MASK 0xffff
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#endif
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/* If there is a DT_MIPS_RLD_MAP entry in the dynamic section, fill it in
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with the run-time address of the r_debug structure */
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#define ELF_MACHINE_SET_DEBUG(l,r) \
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#define ELF_MACHINE_DEBUG_SETUP(l,r) \
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do { if ((l)->l_info[DT_MIPS (RLD_MAP)]) \
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*(ElfW(Addr) *)((l)->l_info[DT_MIPS (RLD_MAP)]->d_un.d_ptr) = \
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(ElfW(Addr)) (r); \
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@ -67,14 +62,16 @@ elf_mips_got_from_gpreg (ElfW(Addr) gpreg)
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/* FIXME: the offset of gp from GOT may be system-dependent. */
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return (ElfW(Addr) *) (gpreg - 0x7ff0);
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}
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/* Return the link-time address of _DYNAMIC. Conveniently, this is the
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first element of the GOT. This must be inlined in a function which
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uses global data. */
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static inline ElfW(Addr)
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elf_machine_dynamic (void)
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/* Return the run-time address of the _GLOBAL_OFFSET_TABLE_.
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Must be inlined in a function which uses global data. */
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static inline ElfW(Addr) *
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elf_machine_got (void)
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{
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register ElfW(Addr) gp asm ("$28");
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return * (ElfW(Addr) *) (gp - 0x7ff0);
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ElfW(Addr) gp;
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__asm__ __volatile__("move %0, $28\n\t" : "=r" (gp));
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return elf_mips_got_from_gpreg (gp);
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}
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@ -83,6 +80,15 @@ static inline ElfW(Addr)
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elf_machine_load_address (void)
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{
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ElfW(Addr) addr;
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#ifdef __mips64
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asm (" .set noreorder\n"
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" dla %0, here\n"
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" bltzal $0, here\n"
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" nop\n"
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"here: dsubu %0, $31, %0\n"
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" .set reorder\n"
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: "=r" (addr));
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#else
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asm (" .set noreorder\n"
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" la %0, here\n"
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" bltzal $0, here\n"
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@ -90,6 +96,7 @@ elf_machine_load_address (void)
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"here: subu %0, $31, %0\n"
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" .set reorder\n"
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: "=r" (addr));
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#endif
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return addr;
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}
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@ -97,7 +104,7 @@ elf_machine_load_address (void)
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#define ELF_MIPS_GNU_GOT1_MASK 0x80000000
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/* Relocate GOT. */
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static void
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static inline void
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elf_machine_got_rel (struct link_map *map)
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{
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ElfW(Addr) *got;
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@ -107,14 +114,14 @@ elf_machine_got_rel (struct link_map *map)
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const char *strtab
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= ((void *) map->l_addr + map->l_info[DT_STRTAB]->d_un.d_ptr);
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ElfW(Addr) resolve (const ElfW(Sym) *sym)
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{
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const ElfW(Sym) *ref = sym;
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ElfW(Addr) sym_loadaddr;
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sym_loadaddr = _dl_lookup_symbol (strtab + sym->st_name, &ref, scope,
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map->l_name, 0, 1);
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return (ref)? sym_loadaddr + ref->st_value: 0;
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}
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#define RESOLVE_GOTSYM(sym) \
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({ \
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const ElfW(Sym) *ref = sym; \
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ElfW(Addr) sym_loadaddr; \
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sym_loadaddr = _dl_lookup_symbol (strtab + sym->st_name, &ref, scope, \
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map->l_name, DL_LOOKUP_NOPLT); \
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(ref)? sym_loadaddr + ref->st_value: 0; \
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})
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got = (ElfW(Addr) *) ((void *) map->l_addr
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+ map->l_info[DT_PLTGOT]->d_un.d_ptr);
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if (sym->st_value /* && maybe_stub (sym->st_value) */)
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*got = sym->st_value + map->l_addr;
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else
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*got = resolve (sym);
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*got = RESOLVE_GOTSYM (sym);
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}
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else /* if (*got == 0 || *got == QS) */
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*got = resolve (sym);
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*got = RESOLVE_GOTSYM (sym);
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}
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else if (sym->st_shndx == SHN_COMMON)
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*got = resolve (sym);
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*got = RESOLVE_GOTSYM (sym);
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else if (ELFW(ST_TYPE) (sym->st_info) == STT_FUNC
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&& *got != sym->st_value
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/* && maybe_stub (*got) */)
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*got += map->l_addr;
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else if (ELFW(ST_TYPE) (sym->st_info) == STT_SECTION
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&& ELFW(ST_BIND) (sym->st_info) == STB_GLOBAL)
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else if (ELFW(ST_TYPE) (sym->st_info) == STT_SECTION)
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{
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if (sym->st_other == 0 && sym->st_shndx == SHN_ABS)
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*got = sym->st_value + map->l_addr; /* only for _gp_disp */
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/* else SGI stuff ignored */
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if (sym->st_other == 0)
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*got += map->l_addr;
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}
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else
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*got = resolve (sym);
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*got = RESOLVE_GOTSYM (sym);
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got++;
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sym++;
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}
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#undef RESOLVE_GOTSYM
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*_dl_global_scope_end = NULL;
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return;
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}
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/* The MIPS never uses Elfxx_Rela relocations. */
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#define ELF_MACHINE_NO_RELA 1
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/* Set up the loaded object described by L so its stub function
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will jump to the on-demand fixup code in dl-runtime.c. */
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@ -188,6 +191,7 @@ elf_machine_runtime_setup (struct link_map *l, int lazy)
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{
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ElfW(Addr) *got;
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extern void _dl_runtime_resolve (ElfW(Word));
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extern int _dl_mips_gnu_objects;
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if (lazy)
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{
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@ -208,7 +212,7 @@ elf_machine_runtime_setup (struct link_map *l, int lazy)
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if ((got[1] & ELF_MIPS_GNU_GOT1_MASK) != 0)
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got[1] = (ElfW(Addr)) ((unsigned) l | ELF_MIPS_GNU_GOT1_MASK);
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else
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; /* Do nothing. */
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_dl_mips_gnu_objects = 0;
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}
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/* Relocate global offset table. */
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@ -219,29 +223,64 @@ elf_machine_runtime_setup (struct link_map *l, int lazy)
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/* Get link_map for this object. */
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static inline struct link_map *
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elf_machine_runtime_link_map (ElfW(Addr) gpreg)
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elf_machine_runtime_link_map (ElfW(Addr) gpreg, ElfW(Addr) stub_pc)
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{
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extern int _dl_mips_gnu_objects;
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/* got[1] is reserved to keep its link map address for the shared
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object generated by gnu linker. If all are such object, we can
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find link map from current GPREG simply. If not so, get link map
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for callers object containing STUB_PC. */
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if (_dl_mips_gnu_objects)
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{
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ElfW(Addr) *got = elf_mips_got_from_gpreg (gpreg);
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ElfW(Word) g1;
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g1 = ((ElfW(Word) *) got)[1];
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/* got[1] is reserved to keep its link map address for the shared
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object generated by gnu linker. If not so, we must search GOT
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in object list slowly. XXX */
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if ((g1 & ELF_MIPS_GNU_GOT1_MASK) != 0)
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return (struct link_map *) (g1 & ~ELF_MIPS_GNU_GOT1_MASK);
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else
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}
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{
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struct link_map *l = _dl_loaded;
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struct link_map *ret = 0;
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ElfW(Addr) candidate = 0;
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while (l)
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{
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if (got == (ElfW(Addr) *) ((void *) l->l_addr
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+ l->l_info[DT_PLTGOT]->d_un.d_ptr))
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return l;
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ElfW(Addr) base = 0;
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const ElfW(Phdr) *p = l->l_phdr;
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ElfW(Half) this, nent = l->l_phnum;
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/* Get the base. */
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for (this = 0; this < nent; this++)
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if (p[this].p_type == PT_LOAD)
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{
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base = p[this].p_vaddr + l->l_addr;
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break;
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}
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if (! base)
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{
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l = l->l_next;
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continue;
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}
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/* Find closest link base addr. */
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if ((base < stub_pc) && (candidate < base))
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{
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candidate = base;
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ret = l;
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}
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l = l->l_next;
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}
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if (candidate && ret && (candidate < stub_pc))
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return ret;
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else if (!candidate)
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return _dl_loaded;
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}
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_dl_signal_error (0, NULL, "cannot find runtime link map");
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}
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@ -255,17 +294,24 @@ elf_machine_runtime_link_map (ElfW(Addr) gpreg)
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t8 index for this function symbol in .dynsym
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to usual c arguments. */
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#ifdef __mips64
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#define ELF_MACHINE_RUNTIME_TRAMPOLINE \
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/* The flag _dl_mips_gnu_objects is set if all dynamic objects are \
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generated by the gnu linker. */\
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int _dl_mips_gnu_objects = 1;\
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\
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/* This is called from assembly stubs below which the compiler can't see. */ \
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static ElfW(Addr) __dl_runtime_resolve (ElfW(Word), ElfW(Word), ElfW(Addr)) \
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static ElfW(Addr) \
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__dl_runtime_resolve (ElfW(Word), ElfW(Word), ElfW(Addr), ElfW(Addr)) \
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__attribute__ ((unused)); \
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\
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static ElfW(Addr) \
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__dl_runtime_resolve (ElfW(Word) sym_index,\
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ElfW(Word) return_address,\
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ElfW(Addr) old_gpreg)\
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ElfW(Addr) old_gpreg,\
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ElfW(Addr) stub_pc)\
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{\
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struct link_map *l = elf_machine_runtime_link_map (old_gpreg);\
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struct link_map *l = elf_machine_runtime_link_map (old_gpreg, stub_pc);\
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const ElfW(Sym) *const symtab\
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= (const ElfW(Sym) *) (l->l_addr + l->l_info[DT_SYMTAB]->d_un.d_ptr);\
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const char *strtab\
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|
@ -286,7 +332,100 @@ __dl_runtime_resolve (ElfW(Word) sym_index,\
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definer = &symtab[sym_index];\
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\
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loadbase = _dl_lookup_symbol (strtab + definer->st_name, &definer,\
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scope, l->l_name, 0, 1);\
|
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scope, l->l_name, DL_LOOKUP_NOPLT);\
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\
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*_dl_global_scope_end = NULL;\
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\
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/* Apply the relocation with that value. */\
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funcaddr = loadbase + definer->st_value;\
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*(got + local_gotno + sym_index - gotsym) = funcaddr;\
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\
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return funcaddr;\
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}\
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\
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asm ("\n\
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.text\n\
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.align 3\n\
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.globl _dl_runtime_resolve\n\
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.type _dl_runtime_resolve,@function\n\
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.ent _dl_runtime_resolve\n\
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_dl_runtime_resolve:\n\
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.set noreorder\n\
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# Save old GP to $3.\n\
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move $3,$28\n\
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# Modify t9 ($25) so as to point .cpload instruction.\n\
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||||
daddu $25,2*8\n\
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# Compute GP.\n\
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.cpload $25\n\
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.set reorder\n\
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# Save slot call pc.\n\
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move $2, $31\n\
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# Save arguments and sp value in stack.\n\
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dsubu $29, 10*8\n\
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.cprestore 8*8\n\
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sd $15, 9*8($29)\n\
|
||||
sd $4, 3*8($29)\n\
|
||||
sd $5, 4*8($29)\n\
|
||||
sd $6, 5*8($29)\n\
|
||||
sd $7, 6*8($29)\n\
|
||||
sd $16, 7*8($29)\n\
|
||||
move $16, $29\n\
|
||||
move $4, $24\n\
|
||||
move $5, $15\n\
|
||||
move $6, $3\n\
|
||||
move $7, $2\n\
|
||||
jal __dl_runtime_resolve\n\
|
||||
move $29, $16\n\
|
||||
ld $31, 9*8($29)\n\
|
||||
ld $4, 3*8($29)\n\
|
||||
ld $5, 4*8($29)\n\
|
||||
ld $6, 5*8($29)\n\
|
||||
ld $7, 6*8($29)\n\
|
||||
ld $16, 7*8($29)\n\
|
||||
daddu $29, 10*8\n\
|
||||
move $25, $2\n\
|
||||
jr $25\n\
|
||||
.end _dl_runtime_resolve\n\
|
||||
");
|
||||
#else
|
||||
#define ELF_MACHINE_RUNTIME_TRAMPOLINE \
|
||||
/* The flag _dl_mips_gnu_objects is set if all dynamic objects are \
|
||||
generated by the gnu linker. */\
|
||||
int _dl_mips_gnu_objects = 1;\
|
||||
\
|
||||
/* This is called from assembly stubs below which the compiler can't see. */ \
|
||||
static ElfW(Addr) \
|
||||
__dl_runtime_resolve (ElfW(Word), ElfW(Word), ElfW(Addr), ElfW(Addr)) \
|
||||
__attribute__ ((unused)); \
|
||||
\
|
||||
static ElfW(Addr) \
|
||||
__dl_runtime_resolve (ElfW(Word) sym_index,\
|
||||
ElfW(Word) return_address,\
|
||||
ElfW(Addr) old_gpreg,\
|
||||
ElfW(Addr) stub_pc)\
|
||||
{\
|
||||
struct link_map *l = elf_machine_runtime_link_map (old_gpreg, stub_pc);\
|
||||
const ElfW(Sym) *const symtab\
|
||||
= (const ElfW(Sym) *) (l->l_addr + l->l_info[DT_SYMTAB]->d_un.d_ptr);\
|
||||
const char *strtab\
|
||||
= (void *) (l->l_addr + l->l_info[DT_STRTAB]->d_un.d_ptr);\
|
||||
const ElfW(Addr) *got\
|
||||
= (const ElfW(Addr) *) (l->l_addr + l->l_info[DT_PLTGOT]->d_un.d_ptr);\
|
||||
const ElfW(Word) local_gotno\
|
||||
= (const ElfW(Word)) l->l_info[DT_MIPS (LOCAL_GOTNO)]->d_un.d_val;\
|
||||
const ElfW(Word) gotsym\
|
||||
= (const ElfW(Word)) l->l_info[DT_MIPS (GOTSYM)]->d_un.d_val;\
|
||||
const ElfW(Sym) *definer;\
|
||||
ElfW(Addr) loadbase;\
|
||||
ElfW(Addr) funcaddr;\
|
||||
struct link_map **scope;\
|
||||
\
|
||||
/* Look up the symbol's run-time value. */\
|
||||
scope = _dl_object_relocation_scope (l);\
|
||||
definer = &symtab[sym_index];\
|
||||
\
|
||||
loadbase = _dl_lookup_symbol (strtab + definer->st_name, &definer,\
|
||||
scope, l->l_name, DL_LOOKUP_NOPLT);\
|
||||
\
|
||||
*_dl_global_scope_end = NULL;\
|
||||
\
|
||||
|
@ -312,6 +451,8 @@ _dl_runtime_resolve:\n\
|
|||
# Compute GP.\n\
|
||||
.cpload $25\n\
|
||||
.set reorder\n\
|
||||
# Save slot call pc.\n\
|
||||
move $2, $31\n\
|
||||
# Save arguments and sp value in stack.\n\
|
||||
subu $29, 40\n\
|
||||
.cprestore 32\n\
|
||||
|
@ -325,6 +466,7 @@ _dl_runtime_resolve:\n\
|
|||
move $4, $24\n\
|
||||
move $5, $15\n\
|
||||
move $6, $3\n\
|
||||
move $7, $2\n\
|
||||
jal __dl_runtime_resolve\n\
|
||||
move $29, $16\n\
|
||||
lw $31, 36($29)\n\
|
||||
|
@ -338,15 +480,91 @@ _dl_runtime_resolve:\n\
|
|||
jr $25\n\
|
||||
.end _dl_runtime_resolve\n\
|
||||
");
|
||||
#endif
|
||||
|
||||
/* Mask identifying addresses reserved for the user program,
|
||||
where the dynamic linker should not map anything. */
|
||||
#define ELF_MACHINE_USER_ADDRESS_MASK 0x00000000UL
|
||||
|
||||
|
||||
|
||||
/* Initial entry point code for the dynamic linker.
|
||||
The C function `_dl_start' is the real entry point;
|
||||
its return value is the user program's entry point. */
|
||||
|
||||
#ifdef __mips64
|
||||
#define RTLD_START asm ("\
|
||||
.text\n\
|
||||
.align 3\n\
|
||||
.globl _start\n\
|
||||
.globl _dl_start_user\n\
|
||||
.ent _start\n\
|
||||
_start:\n\
|
||||
.set noreorder\n\
|
||||
bltzal $0, 0f\n\
|
||||
nop\n\
|
||||
0: .cpload $31\n\
|
||||
.set reorder\n\
|
||||
# i386 ABI book says that the first entry of GOT holds\n\
|
||||
# the address of the dynamic structure. Though MIPS ABI\n\
|
||||
# doesn't say nothing about this, I emulate this here.\n\
|
||||
dla $4, _DYNAMIC\n\
|
||||
sd $4, -0x7ff0($28)\n\
|
||||
move $4, $29\n\
|
||||
jal _dl_start\n\
|
||||
# Get the value of label '_dl_start_user' in t9 ($25).\n\
|
||||
dla $25, _dl_start_user\n\
|
||||
_dl_start_user:\n\
|
||||
.set noreorder\n\
|
||||
.cpload $25\n\
|
||||
.set reorder\n\
|
||||
move $16, $28\n\
|
||||
# Save the user entry point address in saved register.\n\
|
||||
move $17, $2\n\
|
||||
# See if we were run as a command with the executable file\n\
|
||||
# name as an extra leading argument.\n\
|
||||
ld $2, _dl_skip_args\n\
|
||||
beq $2, $0, 1f\n\
|
||||
# Load the original argument count.\n\
|
||||
ld $4, 0($29)\n\
|
||||
# Subtract _dl_skip_args from it.\n\
|
||||
dsubu $4, $2\n\
|
||||
# Adjust the stack pointer to skip _dl_skip_args words.\n\
|
||||
dsll $2,2\n\
|
||||
daddu $29, $2\n\
|
||||
# Save back the modified argument count.\n\
|
||||
sd $4, 0($29)\n\
|
||||
# Get _dl_default_scope[2] as argument in _dl_init_next call below.\n\
|
||||
1: dla $2, _dl_default_scope\n\
|
||||
ld $4, 2*8($2)\n\
|
||||
# Call _dl_init_next to return the address of an initializer\n\
|
||||
# function to run.\n\
|
||||
jal _dl_init_next\n\
|
||||
move $28, $16\n\
|
||||
# Check for zero return, when out of initializers.\n\
|
||||
beq $2, $0, 2f\n\
|
||||
# Call the shared object initializer function.\n\
|
||||
move $25, $2\n\
|
||||
ld $4, 0($29)\n\
|
||||
ld $5, 1*8($29)\n\
|
||||
ld $6, 2*8($29)\n\
|
||||
ld $7, 3*8($29)\n\
|
||||
jalr $25\n\
|
||||
move $28, $16\n\
|
||||
# Loop to call _dl_init_next for the next initializer.\n\
|
||||
b 1b\n\
|
||||
# Pass our finalizer function to the user in ra.\n\
|
||||
2: dla $31, _dl_fini\n\
|
||||
# Jump to the user entry point.\n\
|
||||
move $25, $17\n\
|
||||
ld $4, 0($29)\n\
|
||||
ld $5, 1*8($29)\n\
|
||||
ld $6, 2*8$29)\n\
|
||||
ld $7, 3*8($29)\n\
|
||||
jr $25\n\
|
||||
.end _start\n\
|
||||
");
|
||||
#else
|
||||
#define RTLD_START asm ("\
|
||||
.text\n\
|
||||
.globl _start\n\
|
||||
|
@ -417,6 +635,12 @@ _dl_start_user:\n\
|
|||
jr $25\n\
|
||||
.end _start\n\
|
||||
");
|
||||
#endif
|
||||
|
||||
/* The MIPS never uses Elfxx_Rela relocations. */
|
||||
#define ELF_MACHINE_NO_RELA 1
|
||||
|
||||
#endif /* !dl_machine_h */
|
||||
|
||||
#ifdef RESOLVE
|
||||
|
||||
|
@ -428,17 +652,22 @@ elf_machine_rel (struct link_map *map, const ElfW(Rel) *reloc,
|
|||
const ElfW(Sym) *sym, const struct r_found_version *version)
|
||||
{
|
||||
ElfW(Addr) *const reloc_addr = (void *) (map->l_addr + reloc->r_offset);
|
||||
ElfW(Addr) loadbase, undo;
|
||||
ElfW(Addr) loadbase;
|
||||
ElfW(Addr) undo __attribute__ ((unused));
|
||||
|
||||
switch (ELFW(R_TYPE) (reloc->r_info))
|
||||
{
|
||||
case R_MIPS_REL32:
|
||||
{
|
||||
ElfW(Addr) undo = 0;
|
||||
|
||||
if (ELFW(ST_BIND) (sym->st_info) == STB_LOCAL
|
||||
&& (ELFW(ST_TYPE) (sym->st_info) == STT_SECTION
|
||||
|| ELFW(ST_TYPE) (sym->st_info) == STT_NOTYPE))
|
||||
*reloc_addr += map->l_addr;
|
||||
else
|
||||
{
|
||||
*reloc_addr += map->l_addr;
|
||||
break;
|
||||
}
|
||||
#ifndef RTLD_BOOTSTRAP
|
||||
/* This is defined in rtld.c, but nowhere in the static libc.a;
|
||||
make the reference weak so static programs can still link. This
|
||||
|
@ -453,9 +682,7 @@ elf_machine_rel (struct link_map *map, const ElfW(Rel) *reloc,
|
|||
program or a loaded library rather than the dynamic linker's
|
||||
built-in definitions used while loading those libraries. */
|
||||
undo = map->l_addr + sym->st_value;
|
||||
else
|
||||
#endif
|
||||
undo = 0;
|
||||
loadbase = RESOLVE (&sym, version, 0);
|
||||
*reloc_addr += (sym ? (loadbase + sym->st_value) : 0) - undo;
|
||||
}
|
||||
|
|
|
@ -1,32 +1,35 @@
|
|||
/* Copyright (C) 1992, 1994 Free Software Foundation, Inc.
|
||||
This file is part of the GNU C Library.
|
||||
/* Copyright (C) 1996, 1997 Free Software Foundation, Inc.
|
||||
This file is part of the GNU C Library.
|
||||
|
||||
The GNU C Library is free software; you can redistribute it and/or
|
||||
modify it under the terms of the GNU Library General Public License as
|
||||
published by the Free Software Foundation; either version 2 of the
|
||||
License, or (at your option) any later version.
|
||||
The GNU C Library is free software; you can redistribute it and/or
|
||||
modify it under the terms of the GNU Library General Public License as
|
||||
published by the Free Software Foundation; either version 2 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
|
||||
Library General Public License for more details.
|
||||
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
|
||||
Library General Public License for more details.
|
||||
|
||||
You should have received a copy of the GNU Library General Public
|
||||
License along with the GNU C Library; see the file COPYING.LIB. If
|
||||
not, write to the Free Software Foundation, Inc., 675 Mass Ave,
|
||||
Cambridge, MA 02139, USA. */
|
||||
You should have received a copy of the GNU Library General Public
|
||||
License along with the GNU C Library; see the file COPYING.LIB. If not,
|
||||
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
||||
Boston, MA 02111-1307, USA. */
|
||||
|
||||
#include <sysdep.h>
|
||||
|
||||
/* The function __sigsetjmp_aux saves all the registers, but it can't
|
||||
reliably access the stack or frame pointers, so we pass them in as
|
||||
extra arguments. */
|
||||
ENTRY (__sigsetjmp)
|
||||
move a2, sp
|
||||
#ifdef __sgi__
|
||||
move a3, fp
|
||||
#else
|
||||
move a3, $fp
|
||||
#ifdef PIC
|
||||
.option pic2
|
||||
#endif
|
||||
j __sigsetjmp_aux
|
||||
.end __sigsetjmp
|
||||
ENTRY (__sigsetjmp)
|
||||
#ifdef PIC
|
||||
.cpload t9
|
||||
#endif
|
||||
move a2, sp
|
||||
move a3, fp
|
||||
la t9, __sigsetjmp_aux
|
||||
nop
|
||||
jr t9
|
||||
|
|
|
@ -1,20 +1,21 @@
|
|||
/* Copyright (C) 1992, 1994, 1995 Free Software Foundation, Inc.
|
||||
/* Copyright (C) 1996, 1997 Free Software Foundation, Inc.
|
||||
This file is part of the GNU C Library.
|
||||
Contributed by Brendan Kehoe (brendan@zen.org).
|
||||
|
||||
The GNU C Library is free software; you can redistribute it and/or
|
||||
modify it under the terms of the GNU Library General Public License as
|
||||
published by the Free Software Foundation; either version 2 of the
|
||||
License, or (at your option) any later version.
|
||||
The GNU C Library is free software; you can redistribute it and/or
|
||||
modify it under the terms of the GNU Library General Public License as
|
||||
published by the Free Software Foundation; either version 2 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
|
||||
Library General Public License for more details.
|
||||
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
|
||||
Library General Public License for more details.
|
||||
|
||||
You should have received a copy of the GNU Library General Public
|
||||
License along with the GNU C Library; see the file COPYING.LIB. If
|
||||
not, write to the Free Software Foundation, Inc., 675 Mass Ave,
|
||||
Cambridge, MA 02139, USA. */
|
||||
You should have received a copy of the GNU Library General Public
|
||||
License along with the GNU C Library; see the file COPYING.LIB. If not,
|
||||
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
||||
Boston, MA 02111-1307, USA. */
|
||||
|
||||
#include <setjmp.h>
|
||||
|
||||
|
|
Loading…
Reference in New Issue