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linuxthreads/ChangeLog

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2003-02-25  Roland McGrath  <roland@redhat.com>


	* sysdeps/powerpc/powerpc64/dl-machine.h: Support new TLS relocs.
	* sysdeps/powerpc/powerpc64/dl-tls.h: New file.
This commit is contained in:
Roland McGrath 2003-02-25 23:45:16 +00:00
parent fec4171904
commit 1d02f71fe4
18 changed files with 474 additions and 48 deletions
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5
ChangeLog
View File

@ -1,3 +1,6 @@
2003-02-25 Roland McGrath <roland@redhat.com>
2003-02-25 Steven Munroe <sjmunroe@us.ibm.com>
* elf/elf.h: Add new R_PPC64_* relocs for TLS.
@ -5,6 +8,8 @@
(TLS_LE, TLS_IE, TLS_LD, TLS_GD): Define.
* sysdeps/powerpc/powerpc64/elf/configure.in: New file.
* sysdeps/powerpc/powerpc64/elf/configure: New file (generated).
* sysdeps/powerpc/powerpc64/dl-machine.h: Support new TLS relocs.
* sysdeps/powerpc/powerpc64/dl-tls.h: New file.
* sysdeps/powerpc/elf/libc-start.c (__libc_start_main):
Do DL_SYSDEP_OSCHECK here, matching 2002-12-01 change to generic file.

4
configure.in
View File

@ -1111,7 +1111,7 @@ EOF
int bar __attribute__ ((visibility ("protected"))) = 1;
EOF
libc_cv_visibility_attribute=no
if ${CC-cc} -Werror -S conftest.c -o conftest.s >/dev/null 2>&1; then
if AC_TRY_COMMAND[${CC-cc} -Werror -S conftest.c -o conftest.s 1>&AS_MESSAGE_LOG_FD 2>&AS_MESSAGE_LOG_FD]; then
if grep '\.hidden.*foo' conftest.s >/dev/null; then
if grep '\.protected.*bar' conftest.s >/dev/null; then
libc_cv_visibility_attribute=yes
@ -1134,7 +1134,7 @@ EOF
int bar (int x) { return x; }
EOF
libc_cv_broken_visibility_attribute=yes
if ${CC-cc} -Werror -S conftest.c -o conftest.s >/dev/null 2>&1; then
if ${CC-cc} -Werror -S conftest.c -o conftest.s >&AS_MESSAGE_LOG_FD 2>&AS_MESSAGE_LOG_FD; then
changequote(,)dnl
if grep '\.hidden[ _]foo' conftest.s >/dev/null; then
changequote([,])dnl

10
dlfcn/Makefile
View File

@ -37,7 +37,7 @@ libdl-shared-only-routines += eval
ifeq (yes,$(build-shared))
tests = glrefmain failtest tst-dladdr default errmsg1 tstcxaatexit \
bug-dlopen1 bug-dlsym1
bug-dlopen1 bug-dlsym1 bug-dlopen-leak
ifeq (yes,$(have-protected))
tests += tstatexit
endif
@ -99,6 +99,14 @@ $(objpfx)modstatic.so: $(common-objpfx)libc.so $(common-objpfx)libc_nonshared.a
$(objpfx)bug-dlopen1: $(libdl)
$(objpfx)bug-dlopen-leak: $(libdl)
bug-dlopen-leak-ENV = MALLOC_TRACE=$(objpfx)bug-dlopen-leak.mtrace
$(objpfx)mtrace-bug-dlopen-leak: $(objpfx)bug-dlopen-leak.out
$(common-objpfx)malloc/mtrace $(objpfx)bug-dlopen-leak.mtrace > $@
ifneq (no,$(PERL))
tests: $(objpfx)mtrace-bug-dlopen-leak
endif
$(objpfx)bug-dlsym1: $(libdl) $(objpfx)bug-dlsym1-lib2.so
$(objpfx)bug-dlsym1.out: $(objpfx)bug-dlsym1-lib1.so \
$(objpfx)bug-dlsym1-lib2.so

5
linuxthreads/ChangeLog
View File

@ -1,3 +1,8 @@
2003-01-31 Steven Munroe <sjmunroe@us.ibm.com>
* sysdeps/unix/sysv/linux/powerpc/powerpc64/vfork.S [SHARED]:
Conditionalize .toc section magic on this.
2003-02-21 Roland McGrath <roland@redhat.com>
* cancel.c (__pthread_perform_cleanup): Call __libc_thread_freeres

3
linuxthreads/sysdeps/i386/i686/pt-machine.h
View File

@ -33,7 +33,8 @@ extern int __compare_and_swap (long int *p, long int oldval, long int newval);
/* Get some notion of the current stack. Need not be exactly the top
of the stack, just something somewhere in the current frame. */
#define CURRENT_STACK_FRAME __builtin_frame_address (0)
#define CURRENT_STACK_FRAME __stack_pointer_register__
register char *__stack_pointer_register__ __asm__ ("%esp");
/* Spinlock implementation; required. */

3
linuxthreads/sysdeps/i386/pt-machine.h
View File

@ -32,7 +32,8 @@ extern int __compare_and_swap (long int *p, long int oldval, long int newval);
/* Get some notion of the current stack. Need not be exactly the top
of the stack, just something somewhere in the current frame. */
#define CURRENT_STACK_FRAME __builtin_frame_address (0)
#define CURRENT_STACK_FRAME __stack_pointer_register__
register char *__stack_pointer_register__ __asm__ ("%esp");
/* Spinlock implementation; required. */

2
linuxthreads/sysdeps/i386/tls.h
View File

@ -58,7 +58,7 @@ typedef struct
We need USE_TLS to be consistently defined, for ldsodefs.h conditionals.
But some of the code below can cause problems in building libpthread
(e.g. useldt.h will defined FLOATING_STACKS when it shouldn't). */
(e.g. useldt.h will define FLOATING_STACKS when it shouldn't). */
#if defined HAVE_TLS_SUPPORT \
&& (defined FLOATING_STACKS || !defined IS_IN_libpthread)

134
linuxthreads/sysdeps/powerpc/powerpc64/tls.h Normal file
View File

@ -0,0 +1,134 @@
/* Definitions for thread-local data handling. linuxthreads/PowerPC64 version.
Copyright (C) 2003 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 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. */
#ifndef _TLS_H
#define _TLS_H
#ifndef __ASSEMBLER__
# include <pt-machine.h>
# include <stddef.h>
/* Type for the dtv. */
typedef union dtv
{
size_t counter;
void *pointer;
} dtv_t;
typedef struct
{
dtv_t *dtv;
/* Reserved for the thread implementation. Unused in LinuxThreads. */
void *private;
} tcbhead_t;
#endif
#ifdef HAVE_TLS_SUPPORT
/* Signal that TLS support is available. */
# define USE_TLS 1
# ifndef __ASSEMBLER__
/* Get system call information. */
# include <sysdep.h>
/* This is the size of the initial TCB. */
# define TLS_INIT_TCB_SIZE sizeof (tcbhead_t)
/* Alignment requirements for the initial TCB. */
# define TLS_INIT_TCB_ALIGN __alignof__ (tcbhead_t)
/* This is the size of the TCB. */
# define TLS_TCB_SIZE sizeof (tcbhead_t)
/* Alignment requirements for the TCB. */
# define TLS_TCB_ALIGN __alignof__ (tcbhead_t)
/* This is the size we need before TCB. */
# define TLS_PRE_TCB_SIZE sizeof (struct _pthread_descr_struct)
/* the following assumes that TP (R13) is points to the end of the tcb
+ 0x7000 (per the ABI). This implies that tcb address is
R13-(TLS_TCB_SIZE + 0x7000). As we define TLS_DTV_AT_TP we can
assume that the pthread_descr is allocate immediately ahead of the
tcb. This implies that the pthread_descr address is
R13-(TLS_PRE_TCB_SIZE + TLS_TCB_SIZE + 0x7000). */
# define TLS_TCB_OFFSET 0x7000
/* The DTV is allocated at the TP; the TCB is placed elsewhere. */
/* This is not really true for powerpc64. We are following alpha
where the DTV pointer is first doubleword in the TCB. */
# define TLS_DTV_AT_TP 1
/* Install the dtv pointer. The pointer passed is to the element with
index -1 which contain the length. */
# define INSTALL_DTV(TCBP, DTVP) \
(((tcbhead_t *) (TCBP))->dtv = (DTVP) + 1)
/* Install new dtv for current thread. */
# define INSTALL_NEW_DTV(DTV) (THREAD_DTV() = (DTV))
/* Return dtv of given thread descriptor. */
# define GET_DTV(TCBP) (((tcbhead_t *) (TCBP))->dtv)
/* Code to initially initialize the thread pointer. This might need
special attention since 'errno' is not yet available and if the
operation can cause a failure 'errno' must not be touched. */
# define TLS_INIT_TP(TCBP, SECONDCALL) \
(__thread_self = (uintptr_t) (TCBP) + TLS_TCB_OFFSET + TLS_TCB_SIZE, 0)
/* Return the address of the dtv for the current thread. */
# define THREAD_DTV() \
(((tcbhead_t *) (__thread_register - (TLS_TCB_OFFSET + TLS_TCB_SIZE)))->dtv)
/* Return the thread descriptor for the current thread. */
# undef THREAD_SELF
# define THREAD_SELF \
((pthread_descr) (__thread_register \
- (TLS_TCB_OFFSET + TLS_TCB_SIZE + TLS_PRE_TCB_SIZE)))
# undef INIT_THREAD_SELF
# define INIT_THREAD_SELF(DESCR, NR) \
(__thread_self = (pthread_descr) (((char *)(DESCR)) \
+ (TLS_TCB_OFFSET + TLS_TCB_SIZE + TLS_PRE_TCB_SIZE)))
/* Get the thread descriptor definition. */
# include <linuxthreads/descr.h>
/* Generic bits of LinuxThreads may call these macros with
DESCR set to NULL. We are expected to be able to reference
the "current" value. */
#define THREAD_GETMEM(descr, member) \
((void) sizeof (descr), THREAD_SELF->member)
#define THREAD_GETMEM_NC(descr, member) \
((void) sizeof (descr), THREAD_SELF->member)
#define THREAD_SETMEM(descr, member, value) \
((void) sizeof (descr), THREAD_SELF->member = (value))
#define THREAD_SETMEM_NC(descr, member, value) \
((void) sizeof (descr), THREAD_SELF->member = (value))
# endif /* HAVE_TLS_SUPPORT */
#endif /* __ASSEMBLER__ */
#endif /* tls.h */

8
linuxthreads/sysdeps/unix/sysv/linux/powerpc/powerpc64/vfork.S
View File

@ -25,17 +25,19 @@
The calling process is suspended until the new process exits or is
replaced by a call to `execve'. Return -1 for errors, 0 to the new process,
and the process ID of the new process to the old process. */
#ifdef SHARED
.section ".toc","aw"
.LC0:
.tc __libc_pthread_functions[TC],__libc_pthread_functions
.section ".text"
.align 2
#endif
ENTRY (__vfork)
#ifdef __NR_vfork
# ifdef SHARED
ld 10,.LC0@toc(2)
ld 10,0(10)
@ -53,7 +55,7 @@ ENTRY (__vfork)
# endif
DO_CALL (SYS_ify (vfork));
# ifdef __ASSUME_VFORK_SYSCALL
PSEUDO_RET
# else

3
mach/Versions
View File

@ -70,6 +70,9 @@ libc {
# This was always there, but not exported as it should have been.
mig_strncpy;
}
GLIBC_2.3 {
NDR_record;
}
%if !SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_2)
HURD_CTHREADS_0.3 {

10
sysdeps/mach/alpha/machine-lock.h
View File

@ -1,5 +1,5 @@
/* Machine-specific definition for spin locks. Alpha version.
Copyright (C) 1994, 1997 Free Software Foundation, Inc.
Copyright (C) 1994,97,2002 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
@ -38,8 +38,8 @@ typedef __volatile long int __spin_lock_t;
_EXTERN_INLINE void
__spin_unlock (__spin_lock_t *__lock)
{
__asm__ __volatile__ ("mb; stq $31, %0; mb"
: "=m" (__lock));
__asm__ __volatile__ ("mb");
*__lock = 0;
}
/* Try to lock LOCK; return nonzero if we locked it, zero if another has. */
@ -47,6 +47,9 @@ __spin_unlock (__spin_lock_t *__lock)
_EXTERN_INLINE int
__spin_try_lock (register __spin_lock_t *__lock)
{
#if 1
return 1;
#else
register long int __rtn, __tmp;
do
@ -66,6 +69,7 @@ __spin_try_lock (register __spin_lock_t *__lock)
} while (! __rtn);
/* RTN is now nonzero; we have the lock. */
return __rtn;
#endif
}
/* Return nonzero if LOCK is locked. */

49
sysdeps/mach/configure vendored
View File

@ -102,7 +102,7 @@ _ACEOF
if { (eval echo "$as_me:$LINENO: \"$ac_cpp conftest.$ac_ext\"") >&5
(eval $ac_cpp conftest.$ac_ext) 2>conftest.er1
ac_status=$?
grep -v '^ *+' conftest.er1 >conftest.err
egrep -v '^ *\+' conftest.er1 >conftest.err
rm -f conftest.er1
cat conftest.err >&5
echo "$as_me:$LINENO: \$? = $ac_status" >&5
@ -148,7 +148,7 @@ _ACEOF
if { (eval echo "$as_me:$LINENO: \"$ac_cpp conftest.$ac_ext\"") >&5
(eval $ac_cpp conftest.$ac_ext) 2>conftest.er1
ac_status=$?
grep -v '^ *+' conftest.er1 >conftest.err
egrep -v '^ *\+' conftest.er1 >conftest.err
rm -f conftest.er1
cat conftest.err >&5
echo "$as_me:$LINENO: \$? = $ac_status" >&5
@ -193,6 +193,12 @@ else
#line $LINENO "configure"
#include "confdefs.h"
#include <mach/mach_types.h>
#ifdef F77_DUMMY_MAIN
# ifdef __cplusplus
extern "C"
# endif
int F77_DUMMY_MAIN() { return 1; }
#endif
int
main ()
{
@ -235,6 +241,12 @@ else
#line $LINENO "configure"
#include "confdefs.h"
#include <mach/mach_types.h>
#ifdef F77_DUMMY_MAIN
# ifdef __cplusplus
extern "C"
# endif
int F77_DUMMY_MAIN() { return 1; }
#endif
int
main ()
{
@ -278,6 +290,12 @@ else
#line $LINENO "configure"
#include "confdefs.h"
#include <mach/task_info.h>
#ifdef F77_DUMMY_MAIN
# ifdef __cplusplus
extern "C"
# endif
int F77_DUMMY_MAIN() { return 1; }
#endif
int
main ()
{
@ -336,7 +354,7 @@ _ACEOF
if { (eval echo "$as_me:$LINENO: \"$ac_cpp conftest.$ac_ext\"") >&5
(eval $ac_cpp conftest.$ac_ext) 2>conftest.er1
ac_status=$?
grep -v '^ *+' conftest.er1 >conftest.err
egrep -v '^ *\+' conftest.er1 >conftest.err
rm -f conftest.er1
cat conftest.err >&5
echo "$as_me:$LINENO: \$? = $ac_status" >&5
@ -372,21 +390,6 @@ echo "$as_me: error: what manner of Mach is this?" >&2;}
{ (exit 1); exit 1; }; }
fi
echo "$as_me:$LINENO: checking for egrep" >&5
echo $ECHO_N "checking for egrep... $ECHO_C" >&6
if test "${ac_cv_prog_egrep+set}" = set; then
echo $ECHO_N "(cached) $ECHO_C" >&6
else
if echo a | (grep -E '(a|b)') >/dev/null 2>&1
then ac_cv_prog_egrep='grep -E'
else ac_cv_prog_egrep='egrep'
fi
fi
echo "$as_me:$LINENO: result: $ac_cv_prog_egrep" >&5
echo "${ECHO_T}$ac_cv_prog_egrep" >&6
EGREP=$ac_cv_prog_egrep
echo "$as_me:$LINENO: checking for host_page_size in mach_host.defs" >&5
echo $ECHO_N "checking for host_page_size in mach_host.defs... $ECHO_C" >&6
if test "${libc_cv_mach_host_page_size+set}" = set; then
@ -399,7 +402,7 @@ else
_ACEOF
if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
$EGREP "host_page_size" >/dev/null 2>&1; then
egrep "host_page_size" >/dev/null 2>&1; then
libc_cv_mach_host_page_size=yes
else
libc_cv_mach_host_page_size=no
@ -429,7 +432,7 @@ _ACEOF
if { (eval echo "$as_me:$LINENO: \"$ac_cpp conftest.$ac_ext\"") >&5
(eval $ac_cpp conftest.$ac_ext) 2>conftest.er1
ac_status=$?
grep -v '^ *+' conftest.er1 >conftest.err
egrep -v '^ *\+' conftest.er1 >conftest.err
rm -f conftest.er1
cat conftest.err >&5
echo "$as_me:$LINENO: \$? = $ac_status" >&5
@ -469,7 +472,7 @@ _ACEOF
if { (eval echo "$as_me:$LINENO: \"$ac_cpp conftest.$ac_ext\"") >&5
(eval $ac_cpp conftest.$ac_ext) 2>conftest.er1
ac_status=$?
grep -v '^ *+' conftest.er1 >conftest.err
egrep -v '^ *\+' conftest.er1 >conftest.err
rm -f conftest.er1
cat conftest.err >&5
echo "$as_me:$LINENO: \$? = $ac_status" >&5
@ -514,7 +517,7 @@ else
_ACEOF
if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
$EGREP "i386_io_perm_modify" >/dev/null 2>&1; then
egrep "i386_io_perm_modify" >/dev/null 2>&1; then
libc_cv_mach_i386_ioports=yes
else
libc_cv_mach_i386_ioports=no
@ -543,7 +546,7 @@ else
_ACEOF
if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
$EGREP "i386_set_gdt" >/dev/null 2>&1; then
egrep "i386_set_gdt" >/dev/null 2>&1; then
libc_cv_mach_i386_gdt=yes
else
libc_cv_mach_i386_gdt=no

53
sysdeps/mach/hurd/alpha/tls.h Normal file
View File

@ -0,0 +1,53 @@
/* Definition for thread-local data handling. Hurd/Alpha version.
Copyright (C) 2002 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 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. */
#ifndef _TLS_H
#define _TLS_H
#if defined HAVE_TLS_SUPPORT && 0
/* Signal that TLS support is available. */
# define USE_TLS 1
/* Code to initially initialize the thread pointer. This might need
special attention since 'errno' is not yet available and if the
operation can cause a failure 'errno' must not be touched. */
# define TLS_INIT_TP(descr) \
do \
{ \
register tcbhead_t *_a0 __asm__ ("$16") = (descr); \
__asm__ ("call_pal %0" : : "i" (PAL_wruniq), "r" (_a0)); \
} while (0)
# define THREAD_TCB() \
({ \
register tcbhead_t *_rv __asm__ ("$0"); \
__asm__ ("call_pal %0" : "=r" (rv) : "i" (PAL_rduniq)); \
_rv; \
})
/* Install new dtv for current thread. */
# define INSTALL_NEW_DTV(dtv) (THREAD_DTV () = (dtv))
/* Return the address of the dtv for the current thread. */
# define THREAD_DTV() (THREAD_TCB ()->dtv)
#endif /* HAVE_TLS_SUPPORT */
#endif /* tls.h */

10
sysdeps/mach/hurd/configure vendored
View File

@ -27,16 +27,22 @@ case "$machine" in
;;
esac
echo "$as_me:$LINENO: checking Hurd header version" >&5
echo $ECHO_N "checking Hurd header version... $ECHO_C" >&6
if test "${libc_cv_hurd_version+set}" = set; then
echo $ECHO_N "(cached) $ECHO_C" >&6
else
cat >conftest.$ac_ext <<_ACEOF
cat >conftest.$ac_ext <<_ACEOF
#line $LINENO "configure"
#include "confdefs.h"
#include <hurd/version.h>
#ifdef F77_DUMMY_MAIN
# ifdef __cplusplus
extern "C"
# endif
int F77_DUMMY_MAIN() { return 1; }
#endif
int
main ()
{

164
sysdeps/powerpc/powerpc64/dl-machine.h
View File

@ -328,9 +328,19 @@ elf_machine_dynamic (void)
PLT entries should not be allowed to define the value.
ELF_RTYPE_CLASS_NOCOPY iff TYPE should not be allowed to resolve to one
of the main executable's symbols, as for a COPY reloc. */
#if defined USE_TLS && (!defined RTLD_BOOTSTRAP || USE___THREAD)
#define elf_machine_type_class(type) \
( (((type) == R_PPC64_DTPMOD64 \
|| (type) == R_PPC64_DTPREL64 \
|| (type) == R_PPC64_TPREL64 \
|| (type) == R_PPC64_ADDR24) * ELF_RTYPE_CLASS_PLT) \
| (((type) == R_PPC64_COPY) * ELF_RTYPE_CLASS_COPY))
#else
#define elf_machine_type_class(type) \
((((type) == R_PPC64_ADDR24) * ELF_RTYPE_CLASS_PLT) \
| (((type) == R_PPC64_COPY) * ELF_RTYPE_CLASS_COPY))
#endif
/* A reloc type used for ld.so cmdline arg lookups to reject PLT entries. */
#define ELF_MACHINE_JMP_SLOT R_PPC64_JMP_SLOT
@ -534,7 +544,7 @@ elf_machine_rela_relative (Elf64_Addr l_addr, const Elf64_Rela *reloc,
Elf64_Addr *const reloc_addr)
{
*reloc_addr = l_addr + reloc->r_addend;
}
}
/* Perform the relocation specified by RELOC and SYM (which is fully
resolved). MAP is the object containing the reloc. */
@ -547,7 +557,7 @@ elf_machine_rela (struct link_map *map,
{
int r_type = ELF64_R_TYPE (reloc->r_info);
struct link_map *sym_map;
Elf64_Addr value;
Elf64_Addr value, raw_value;
#ifndef RTLD_BOOTSTRAP
const Elf64_Sym *const refsym = sym;
/* This is defined in rtld.c, but nowhere in the static libc.a; make the
@ -564,28 +574,80 @@ elf_machine_rela (struct link_map *map,
/* Already done in dynamic linker. */
if (map != &GL(dl_rtld_map))
#endif
*reloc_addr = map->l_addr + reloc->r_addend;
*reloc_addr = map->l_addr + reloc->r_addend;
return;
}
if (r_type == R_PPC64_NONE)
return;
sym_map = RESOLVE_MAP (&sym, version, r_type);
value = 0;
raw_value = 0;
#if defined USE_TLS && !defined RTLD_BOOTSTRAP
sym_map = RESOLVE_MAP (&sym, version, r_type);
raw_value = value = reloc->r_addend;
if (sym_map)
if (sym)
{
if (sym)
value = sym_map->l_addr + sym->st_value;
value += reloc->r_addend;
raw_value += sym->st_value;
value = raw_value + sym_map->l_addr;
}
#else
sym_map = RESOLVE_MAP (&sym, version, r_type);
if (sym_map)
{
if (sym)
{
raw_value = sym->st_value + sym_map->l_addr;
}
value = raw_value + reloc->r_addend;
}
#endif
switch (r_type)
{
case R_PPC64_ADDR64:
case R_PPC64_GLOB_DAT:
*reloc_addr = value;
*reloc_addr = value;
return;
#if defined USE_TLS && (!defined RTLD_BOOTSTRAP || USE___THREAD)
case R_PPC64_DTPMOD64:
#ifdef RTLD_BOOTSTRAP
/* During startup the dynamic linker is always index 1. */
*reloc_addr = 1;
#else
/* Get the information from the link map returned by the
resolv function. */
if (sym_map != NULL)
{
*reloc_addr = sym_map->l_tls_modid;
}
#endif
return;
case R_PPC64_TPREL64:
#ifdef RTLD_BOOTSTRAP
*reloc_addr = raw_value + map->l_tls_offset - 0x7010;
#else
if (sym_map)
{
CHECK_STATIC_TLS (map, sym_map);
*reloc_addr = raw_value + sym_map->l_tls_offset - 0x7010;
}
#endif
return;
case R_PPC64_DTPREL64:
#ifndef RTLD_BOOTSTRAP
/* During relocation all TLS symbols are defined and used.
Therefore the offset is already correct. */
*reloc_addr = raw_value - 0x8000;
#endif
return;
#endif
case R_PPC64_JMP_SLOT:
@ -601,15 +663,61 @@ elf_machine_rela (struct link_map *map,
value, 0xfffc);
break;
case R_PPC64_TPREL16_LO_DS:
if (dont_expect ((value & 3) != 0))
_dl_reloc_overflow (map, "R_PPC64_TPREL16_LO_DS",
reloc_addr, sym, refsym);
*(Elf64_Half *) reloc_addr = BIT_INSERT (*(Elf64_Half *) reloc_addr,
value, 0xfffc);
break;
case R_PPC64_DTPREL16_LO_DS:
if (dont_expect ((value & 3) != 0))
_dl_reloc_overflow (map, "R_PPC64_DTPREL16_LO_DS",
reloc_addr, sym, refsym);
*(Elf64_Half *) reloc_addr = BIT_INSERT (*(Elf64_Half *) reloc_addr,
value, 0xfffc);
break;
case R_PPC64_GOT_TPREL16_LO_DS:
if (dont_expect ((value & 3) != 0))
_dl_reloc_overflow (map, "R_PPC64_GOT_TPREL16_LO_DS",
reloc_addr, sym, refsym);
*(Elf64_Half *) reloc_addr = BIT_INSERT (*(Elf64_Half *) reloc_addr,
value, 0xfffc);
break;
case R_PPC64_GOT_DTPREL16_LO_DS:
if (dont_expect ((value & 3) != 0))
_dl_reloc_overflow (map, "R_PPC64_GOT_DTPREL16_LO_DS",
reloc_addr, sym, refsym);
*(Elf64_Half *) reloc_addr = BIT_INSERT (*(Elf64_Half *) reloc_addr,
value, 0xfffc);
break;
case R_PPC64_ADDR16_LO:
case R_PPC64_TPREL16_LO:
case R_PPC64_DTPREL16_LO:
case R_PPC64_GOT_TLSGD16_LO:
case R_PPC64_GOT_TLSLD16_LO:
*(Elf64_Half *) reloc_addr = PPC_LO (value);
break;
case R_PPC64_ADDR16_HI:
case R_PPC64_TPREL16_HI:
case R_PPC64_DTPREL16_HI:
case R_PPC64_GOT_TPREL16_HI:
case R_PPC64_GOT_DTPREL16_HI:
case R_PPC64_GOT_TLSGD16_HI:
case R_PPC64_GOT_TLSLD16_HI:
*(Elf64_Half *) reloc_addr = PPC_HI (value);
break;
case R_PPC64_ADDR16_HA:
case R_PPC64_TPREL16_HA:
case R_PPC64_DTPREL16_HA:
case R_PPC64_GOT_TLSGD16_HA:
case R_PPC64_GOT_TLSLD16_HA:
*(Elf64_Half *) reloc_addr = PPC_HA (value);
break;
@ -690,19 +798,59 @@ elf_machine_rela (struct link_map *map,
value, 0xfffc);
break;
case R_PPC64_TPREL16_DS:
if (dont_expect ((value + 0x8000) >= 0x10000 || (value & 3) != 0))
_dl_reloc_overflow (map, "R_PPC64_TPREL16_DS", reloc_addr,
sym, refsym);
*(Elf64_Half *) reloc_addr = BIT_INSERT (*(Elf64_Half *) reloc_addr,
value, 0xfffc);
break;
case R_PPC64_DTPREL16_DS:
if (dont_expect ((value + 0x8000) >= 0x10000 || (value & 3) != 0))
_dl_reloc_overflow (map, "R_PPC64_DTPREL16_DS", reloc_addr,
sym, refsym);
*(Elf64_Half *) reloc_addr = BIT_INSERT (*(Elf64_Half *) reloc_addr,
value, 0xfffc);
break;
case R_PPC64_GOT_TPREL16_DS:
if (dont_expect ((value + 0x8000) >= 0x10000 || (value & 3) != 0))
_dl_reloc_overflow (map, "R_PPC64_GOT_TPREL16_DS", reloc_addr,
sym, refsym);
*(Elf64_Half *) reloc_addr = BIT_INSERT (*(Elf64_Half *) reloc_addr,
value, 0xfffc);
break;
case R_PPC64_GOT_DTPREL16_DS:
if (dont_expect ((value + 0x8000) >= 0x10000 || (value & 3) != 0))
_dl_reloc_overflow (map, "R_PPC64_GOT_DTPREL16_DS",
reloc_addr, sym, refsym);
*(Elf64_Half *) reloc_addr = BIT_INSERT (*(Elf64_Half *) reloc_addr,
value, 0xfffc);
break;
case R_PPC64_ADDR16_HIGHER:
case R_PPC64_TPREL16_HIGHER:
case R_PPC64_DTPREL16_HIGHER:
*(Elf64_Half *) reloc_addr = PPC_HIGHER (value);
break;
case R_PPC64_ADDR16_HIGHEST:
case R_PPC64_TPREL16_HIGHEST:
case R_PPC64_DTPREL16_HIGHEST:
*(Elf64_Half *) reloc_addr = PPC_HIGHEST (value);
break;
case R_PPC64_ADDR16_HIGHERA:
case R_PPC64_TPREL16_HIGHERA:
case R_PPC64_DTPREL16_HIGHERA:
*(Elf64_Half *) reloc_addr = PPC_HIGHERA (value);
break;
case R_PPC64_ADDR16_HIGHESTA:
case R_PPC64_TPREL16_HIGHESTA:
case R_PPC64_DTPREL16_HIGHESTA:
*(Elf64_Half *) reloc_addr = PPC_HIGHESTA (value);
break;

40
sysdeps/powerpc/powerpc64/dl-tls.h Normal file
View File

@ -0,0 +1,40 @@
/* Thread-local storage handling in the ELF dynamic linker. PowerPC64 version.
Copyright (C) 2003 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 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. */
/* Type used for the representation of TLS information in the TOC. */
typedef struct
{
unsigned long int ti_module;
unsigned long int ti_offset;
} tls_index;
#ifdef SHARED
extern void *__tls_get_addr (tls_index *ti);
/* Dynamic thread vector pointers point 0x8000 past the start of each
TLS block. */
# define TLS_DTV_OFFSET 0x8000
# define GET_ADDR_OFFSET (ti->ti_offset + TLS_DTV_OFFSET)
# define __TLS_GET_ADDR(__ti) (__tls_get_addr (__ti) - TLS_DTV_OFFSET)
#endif

12
sysdeps/unix/sysv/linux/configure vendored
View File

@ -44,7 +44,11 @@ if test "${libc_cv_linux2010+set}" = set; then
else
cat >conftest.$ac_ext <<_ACEOF
#line $LINENO "configure"
#include "confdefs.h"
/* confdefs.h. */
_ACEOF
cat confdefs.h >>conftest.$ac_ext
cat >>conftest.$ac_ext <<_ACEOF
/* end confdefs.h. */
#include <linux/version.h>
#if !defined LINUX_VERSION_CODE || LINUX_VERSION_CODE < (2 *65536+ 0 *256+ 10) /* 2.0.10 */
eat flaming death
@ -165,7 +169,11 @@ echo $ECHO_N "checking for kernel header at least $minimum_kernel... $ECHO_C" >&
abinum=`echo "$minimum_kernel.0.0.0" | sed 's/\([0-9]*\)\.\([0-9]*\)\.\([0-9]*\).*/\1,\2,\3/'`;
cat >conftest.$ac_ext <<_ACEOF
#line $LINENO "configure"
#include "confdefs.h"
/* confdefs.h. */
_ACEOF
cat confdefs.h >>conftest.$ac_ext
cat >>conftest.$ac_ext <<_ACEOF
/* end confdefs.h. */
#include <linux/version.h>
#if LINUX_VERSION_CODE < $decnum
eat flaming death

7
sysdeps/unix/sysv/linux/dl-librecon.h
View File

@ -1,5 +1,5 @@
/* Optional code to distinguish library flavours.
Copyright (C) 2001, 2002 Free Software Foundation, Inc.
Copyright (C) 2001, 2002, 2003 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Jakub Jelinek <jakub@redhat.com>, 2001.
@ -39,7 +39,12 @@ _dl_osversion_init (char *assume_kernel)
if (!*q)
break;
}
#if __LINUX_KERNEL_VERSION > 0
if (osversion < __LINUX_KERNEL_VERSION)
osversion = __LINUX_KERNEL_VERSION;
#else
if (osversion)
#endif
GL(dl_osversion) = osversion;
}