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Add LD_BIND_NOW support for sparc64.

This commit is contained in:
martin 2005-01-05 09:16:03 +00:00
parent f97d50b3cf
commit 35130888e4
2 changed files with 53 additions and 11 deletions
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57
libexec/ld.elf_so/arch/sparc64/mdreloc.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: mdreloc.c,v 1.34 2003/07/24 10:12:29 skrll Exp $ */
/* $NetBSD: mdreloc.c,v 1.35 2005/01/05 09:16:03 martin Exp $ */
/*-
* Copyright (c) 2000 Eduardo Horvath.
@ -223,6 +223,8 @@ caddr_t _rtld_bind(const Obj_Entry *, Elf_Word);
#define MOV_g1_o1 0x92100001
void _rtld_install_plt(Elf_Word *pltgot, Elf_Addr proc);
static inline int _rtld_relocate_plt_object(const Obj_Entry *obj,
const Elf_Rela *rela, Elf_Addr *tp);
void
_rtld_install_plt(Elf_Word *pltgot, Elf_Addr proc)
@ -447,10 +449,8 @@ caddr_t
_rtld_bind(const Obj_Entry *obj, Elf_Word reloff)
{
const Elf_Rela *rela = obj->pltrela + reloff;
const Elf_Sym *def;
const Obj_Entry *defobj;
Elf_Word *where;
Elf_Addr value, offset;
Elf_Addr result;
int err;
if (ELF_R_TYPE(obj->pltrela->r_info) == R_TYPE(JMP_SLOT)) {
/*
@ -471,7 +471,45 @@ _rtld_bind(const Obj_Entry *obj, Elf_Word reloff)
rela -= 4;
}
where = (Elf_Word *)(obj->relocbase + rela->r_offset);
err = _rtld_relocate_plt_object(obj, rela, &result);
if (err)
_rtld_die();
return (caddr_t)result;
}
int
_rtld_relocate_plt_objects(const Obj_Entry *obj)
{
const Elf_Rela *rela;
rela = obj->pltrela;
/*
* Check for first four reserved entries - and skip them.
* See above for details.
*/
if (ELF_R_TYPE(obj->pltrela->r_info) != R_TYPE(JMP_SLOT))
rela += 4;
for (; rela < obj->pltrelalim; rela++)
if (_rtld_relocate_plt_object(obj, rela, NULL) < 0)
return -1;
return 0;
}
/*
* New inline function that is called by _rtld_relocate_plt_object and
* _rtld_bind
*/
static inline int
_rtld_relocate_plt_object(const Obj_Entry *obj, const Elf_Rela *rela, Elf_Addr *tp)
{
Elf_Word *where = (Elf_Word *)(obj->relocbase + rela->r_offset);
const Elf_Sym *def;
const Obj_Entry *defobj;
Elf_Addr value, offset;
/* Fully resolve procedure addresses now */
@ -479,7 +517,7 @@ _rtld_bind(const Obj_Entry *obj, Elf_Word reloff)
def = _rtld_find_symdef(ELF_R_SYM(rela->r_info), obj, &defobj, true);
if (def == NULL)
_rtld_die();
return -1;
value = (Elf_Addr)(defobj->relocbase + def->st_value);
rdbg(("bind now/fixup in %s --> new=%p",
@ -687,5 +725,8 @@ _rtld_bind(const Obj_Entry *obj, Elf_Word reloff)
}
return (caddr_t)value;
if (tp)
*tp = value;
return 0;
}

7
libexec/ld.elf_so/reloc.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: reloc.c,v 1.85 2004/10/22 05:39:56 skrll Exp $ */
/* $NetBSD: reloc.c,v 1.86 2005/01/05 09:16:03 martin Exp $ */
/*
* Copyright 1996 John D. Polstra.
@ -39,7 +39,7 @@
#include <sys/cdefs.h>
#ifndef lint
__RCSID("$NetBSD: reloc.c,v 1.85 2004/10/22 05:39:56 skrll Exp $");
__RCSID("$NetBSD: reloc.c,v 1.86 2005/01/05 09:16:03 martin Exp $");
#endif /* not lint */
#include <err.h>
@ -190,7 +190,8 @@ _rtld_relocate_objects(Obj_Entry *first, bool bind_now)
#if defined(__hppa__)
bind_now = 1;
#endif
#if defined(__i386__) || defined(__arm__) || defined(__hppa__)
#if defined(__i386__) || defined(__arm__) || defined(__hppa__) \
|| defined(__sparc64__)
if (bind_now) {
dbg(("doing immediate PLT binding"));
if (_rtld_relocate_plt_objects(obj) < 0)