Merge remote-tracking branch 'origin/master' into prelink

* origin/master: (137 commits)
  utils/ldd: Check for returned pointer from strrchr not the value it holds
  cris: add provide arch-specific vfork implementation
  lutimes.c, stubs.c: fix compiling lutimes, if __NR_utimensat is not defined
  bump version to 0.9.32-rc3-git
  release 0.9.32-rc3
  memalign: include sys/param.h for MAX
  arm/bits/atomic.h: Include common/bit/atomic.h for thumb1
  wctype.h: fix libc_hidden_proto for iswupper and add it for iswspace
  add libc_hidden_proto for wcs[n]casecmp_l
  really fix missing __libc_drand48_data
  Revert "missing prototype of __libc_drand48_data fixed"
  missing prototype of __libc_drand48_data fixed
  time.c, time.h: remove unused hidden strftime/strptime
  nanosleep.c: remove duplicated libc_hidden_proto
  ctype.c, ctype.h: remove commented parts that were banned for removal after 0.9.31
  _wctype.c, wctype.h: remove unused isw* and wctype_l hidden functions
  time.c, wchar.h: remove unused hidden wcsftime
  str[n]casecmp.c: fix hidden usage
  remove unused hidden functions
  frv/memset.S: add missing libc_hidden_def
  ...

Conflicts:
ldso/ldso/ldso.c

Signed-off-by: Carmelo Amoroso <carmelo.amoroso@st.com>

utils/ldd: Check for returned pointer from strrchr not the value it holds

Signed-off-by: Kevin Day <thekevinday@gmail.com>
Signed-off-by: Khem Raj <raj.khem@gmail.com>

cris: add provide arch-specific vfork implementation

vfork must be called with nothing at all on the stack,
so implementing it via syscall() does not work.

Signed-off-by: Thorsten Glaser <tg@mirbsd.org>
Signed-off-by: Waldemar Brodkorb <wbx@openadk.org>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>

lutimes.c, stubs.c: fix compiling lutimes, if __NR_utimensat is not defined

while there, provide stubs for functions depending on utimensat syscall.

Reported-by: Sedat Dilek <sedat.dilek@googlemail.com>
Signed-off-by: Peter S. Mazinger <ps.m@gmx.net>
Signed-off-by: Khem Raj <raj.khem@gmail.com>

bump version to 0.9.32-rc3-git

Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>

release 0.9.32-rc3

Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>

memalign: include sys/param.h for MAX

libc/stdlib/malloc/memalign.c:22:1: warning: "MAX" redefined In file included from
./libpthread/nptl/sysdeps/unix/sysv/linux/i386/lowlevellock.h:25,
                 from ./include/bits/libc-lock.h:36,
                 from ./include/bits/stdio-lock.h:23,
                 from ./include/bits/uClibc_mutex.h:71,
                 from libc/stdlib/malloc/malloc.h:135,
                 from libc/stdlib/malloc/memalign.c:18:
./include/sys/param.h:75:1: warning: this is the location of the previous definition

Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>

arm/bits/atomic.h: Include common/bit/atomic.h for thumb1

This restores the behavior for thumb1 builds and yet uses
the new atomic.h for arm and thumb2 modes.

Signed-off-by: Khem Raj <raj.khem@gmail.com>

wctype.h: fix libc_hidden_proto for iswupper and add it for iswspace

Old typo, became visible due to other changes.

Signed-off-by: Peter S. Mazinger <ps.m@gmx.net>

add libc_hidden_proto for wcs[n]casecmp_l

Signed-off-by: Peter S. Mazinger <ps.m@gmx.net>

really fix missing __libc_drand48_data

Signed-off-by: Peter S. Mazinger <ps.m@gmx.net>

Revert "missing prototype of __libc_drand48_data fixed"

This reverts commit e2cea9b9edabe885b9bf2586f9541ffb8fe93f3f.

Signed-off-by: Peter S. Mazinger <ps.m@gmx.net>

missing prototype of __libc_drand48_data fixed

Signed-off-by: Peter S. Mazinger <ps.m@gmx.net>

time.c, time.h: remove unused hidden strftime/strptime

Signed-off-by: Peter S. Mazinger <ps.m@gmx.net>

nanosleep.c: remove duplicated libc_hidden_proto

Signed-off-by: Peter S. Mazinger <ps.m@gmx.net>

ctype.c, ctype.h: remove commented parts that were banned for removal after 0.9.31

Signed-off-by: Peter S. Mazinger <ps.m@gmx.net>

_wctype.c, wctype.h: remove unused isw* and wctype_l hidden functions

Signed-off-by: Peter S. Mazinger <ps.m@gmx.net>

time.c, wchar.h: remove unused hidden wcsftime

Signed-off-by: Peter S. Mazinger <ps.m@gmx.net>

str[n]casecmp.c: fix hidden usage

Provide visible str[n]casecmp[_l], wcs[n]casecmp[_l].

Signed-off-by: Peter S. Mazinger <ps.m@gmx.net>

remove unused hidden functions

Signed-off-by: Peter S. Mazinger <ps.m@gmx.net>

frv/memset.S: add missing libc_hidden_def

Signed-off-by: Peter S. Mazinger <ps.m@gmx.net>

memmem.c, string.h: remove unused hidden memmem

It is used only by gen_collate, not included into libc.

Signed-off-by: Peter S. Mazinger <ps.m@gmx.net>

_collate.c: remove duplicated libc_hidden_proto() for strcoll*/wcscoll*

Signed-off-by: Peter S. Mazinger <ps.m@gmx.net>

wchar.h, _collate.c, strlcpy.c: use a common prototype of __wcslcpy

Signed-off-by: Peter S. Mazinger <ps.m@gmx.net>

ctype.c, _collate.c, str[n]casecmp.c, strlcpy.c: remove unused hidden functions

Signed-off-by: Peter S. Mazinger <ps.m@gmx.net>

stdlib.c, _strtod.c, stdlib.h: remove unused hidden functions

Signed-off-by: Peter S. Mazinger <ps.m@gmx.net>

Select ARCH_HAS_NO_MMU for C6X.

Signed-off-by: Bernd Schmidt <bernds@codesourcery.com>

Add a missing macro to C6X syscalls.h.

We need _syscall_noerr0 to fix compilation of getuid.c.

Signed-off-by: Bernd Schmidt <bernds@codesourcery.com>

cleanup hardcoded syscall numbers

Signed-off-by: Mark Salter <msalter@redhat.com>
Signed-off-by: Bernd Schmidt <bernds@codesourcery.com>

support c6x kernel using generic stat.h

Signed-off-by: Ken Cox <jkc@redhat.com>
Signed-off-by: Mark Salter <msalter@redhat.com>
Signed-off-by: Bernd Schmidt <bernds@codesourcery.com>

support generic kernel posix_types.h

Signed-off-by: Mark Salter <msalter@redhat.com>
Signed-off-by: Bernd Schmidt <bernds@codesourcery.com>

use clone syscall for vfork

Signed-off-by: Mark Salter <msalter@redhat.com>
Signed-off-by: Bernd Schmidt <bernds@codesourcery.com>

remove unused vfork.c

Signed-off-by: Mark Salter <msalter@redhat.com>
Signed-off-by: Bernd Schmidt <bernds@codesourcery.com>

sunrpc: fix spurious fall-through

Fix spurious fall-through.

Signed-off-by: Mark Salter <msalter@redhat.com>
Signed-off-by: Bernd Schmidt <bernds@codesourcery.com>

Add C6X-specific sys/ptrace.h

The debugger needs some C6X-specific ptrace operations to get information
about the DSBT binaries; similar to what's done on FD-PIC targets.

Signed-off-by: Bernd Schmidt <bernds@codesourcery.com>

arc4random.c, stdlib.h: get rid of hidden arc4random_stir

The function is used only in one file, make an internal static version for this

Signed-off-by: Peter S. Mazinger <ps.m@gmx.net>

regcomp.c, aeabi_mb_cur_max.c: use unconditionally MB_CUR_MAX from stdlib.h

Signed-off-by: Peter S. Mazinger <ps.m@gmx.net>

fnmatch.c: use MB_CUR_MAX from stdlib.h included earlier

Signed-off-by: Peter S. Mazinger <ps.m@gmx.net>

stdlib.h: move MB_CUR_MAX = 1 from wchar-stub.h

Signed-off-by: Peter S. Mazinger <ps.m@gmx.net>

move prototype for __drand48_iterate and __libc_drand48_data to stdlib.h

Move them to a common header guarded by _LIBC

Signed-off-by: Peter S. Mazinger <ps.m@gmx.net>

stdlib.c: remove duplicate libc_hidden_proto for strtoul/strtoul_l

Signed-off-by: Peter S. Mazinger <ps.m@gmx.net>

_strtod.c: only strtod hidden version is needed

Do not provide hidden strtod_l, wcstod and wcstod_l

Signed-off-by: Peter S. Mazinger <ps.m@gmx.net>

disable _POSIX2_LOCALEDEF

uClibc does not provide the localedef utility

Signed-off-by: Peter S. Mazinger <ps.m@gmx.net>

remove trailing ';' from _syscallX()

Signed-off-by: Peter S. Mazinger <ps.m@gmx.net>

bits/statvfs.h: update, adding ST_RELATIME

Signed-off-by: Peter S. Mazinger <ps.m@gmx.net>

add bits/atomic.h for hppa

Signed-off-by: Peter S. Mazinger <ps.m@gmx.net>

bits/statvfs.h: the common one is good for alpha and sparc

Signed-off-by: Peter S. Mazinger <ps.m@gmx.net>

bits/kernel_stat.h: no need for _LIBC guard, the file is not installed on target

Signed-off-by: Peter S. Mazinger <ps.m@gmx.net>

bits/kernel_stat.h: use the same guard on all archs

Signed-off-by: Peter S. Mazinger <ps.m@gmx.net>

types.h: remove __ipc_pid_t

Remove __ipc_pid_t, not needed internally,
we do not support pre glibc-2.2 version of shmid_ds structure.

Signed-off-by: Peter S. Mazinger <ps.m@gmx.net>

guard *_chk() related stuff with UCLIBC_HAS_FORTIFY

Guard x86_64 memset_chk/memcpy_chk be guarded by UCLIBC_HAS_FORTIFY.
Compile ssp.c if one of SSP/FORTIFY is defined.
Guard __chk_fail() with UCLIBC_HAS_FORTIFY and move its prototype to libc-internal.h.
Disable _FORTIFY_SOURCE if UCLIBC_HAS_FORTIFY is not set.

The config option itself is omitted on purpose,
headers need to be reviewed and generic *_chk() functions need to be first provided.

Signed-off-by: Peter S. Mazinger <ps.m@gmx.net>

nios2: Correct guard #defines in bits/kernel_types.h

The guards in posix_types.h are called _ASM_NIOS2_POSIX_TYPES_H, so
correctly use them here. Otherwise we wont be able to build uClibc
with headers exported from the current nios2 kernel.

Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Signed-off-by: Khem Raj <raj.khem@gmail.com>

nptl: fix compilation on x86_64

This commit gives us a fully functioning NPTL on x86-64 by using the GOTOFF macro
as needed.

Signed-off-by: William Pitcock <nenolod@dereferenced.org>
Signed-off-by: Khem Raj <raj.khem@gmail.com>

shm.h: fix vax's bits/shm.h

Do not use __ipc_pid_t, since that is not visible after install.
Provide and use shmatt_t.
Add missing __END_DECLS.

Signed-off-by: Peter S. Mazinger <ps.m@gmx.net>

Makefile.in: remove uClibc_fpmax.h independently of any config option

Signed-off-by: Peter S. Mazinger <ps.m@gmx.net>

resolv.h: disable unneeded prototypes

Signed-off-by: Peter S. Mazinger <ps.m@gmx.net>

Makefile.in: remove uClibc_uwchar.h and uClibc_va_copy.h on install

Signed-off-by: Peter S. Mazinger <ps.m@gmx.net>

Makerules: respect HARDWIRED_ABSPATH in interp.c

Build LDSO path according to the HARDWIRED_ABSPATH setting
While there, remove duplicated slashes in interp.c

Signed-off-by: Peter S. Mazinger <ps.m@gmx.net>

try to fix duplicated slashes in the generated lib*.so files (round 2)

sed s://:/:g on libc.so/libpthread.so if HARDWIRED_ABSPATH is defined

Signed-off-by: Peter S. Mazinger <ps.m@gmx.net>

Revert "buildsys: prefer the form HEADERS_RM-$(<config>)"

This reverts commit 07044019e6260991729926645e7d221f38376f9d.

Signed-off-by: Carmelo Amoroso <carmelo.amoroso@st.com>

buildsys: prefer the form HEADERS_RM-$(<config>)

Fix removal of sgtty.h using HEADERS_RM-$(<config>) syntax.
Sort it alphabetically.

Signed-off-by: Carmelo Amoroso <carmelo.amoroso@st.com>

ldso: use ADDR_ALIGN instead of hard-coded value

Use ADDR_ALIGN to align the minvma when loading shared libraries instead
of the hard coded 0xffffU value.
This fixes teh stand/alone support on ARM as reported in bug #3133.

Signed-off-by: Sven Ola <sven-ola@gmx.de>
Signed-off-by: Carmelo Amoroso <carmelo.amoroso@st.com>
(cherry picked from commit 435471db8561e4686e5921b7f719ab6d5a0d06f7)

Signed-off-by: Carmelo Amoroso <carmelo.amoroso@st.com>

locale.c: export newlocale only if XLOCALE is defined

newlocale is used by setlocale, so we need the hidden version
even if XLOCALE is not defined

Signed-off-by: Peter S. Mazinger <ps.m@gmx.net>

locale.c, locale.h: no need for hidden duplocale

Signed-off-by: Peter S. Mazinger <ps.m@gmx.net>

simplify ffs* code

Remove __libc_ffs*, unneeded

Signed-off-by: Peter S. Mazinger <ps.m@gmx.net>

remove unused ARCH_CFLAGS and ARCH_LDFLAGS

Signed-off-by: Peter S. Mazinger <ps.m@gmx.net>

Revert "try to fix duplicated slashes in the generated lib*.so files"

This reverts commit 624be66cb9b350d5c6538fca8592cdb3a4c23d37.

Signed-off-by: Peter S. Mazinger <ps.m@gmx.net>

Implement ffsl and ffsll.

This imports and adapts ffsll.c from glibc. The same mechanism as in glibc
is used to choose between ffs and ffsll to implement ffsl. The single user
in libc is changed to use the hidden version __libc_ffs.

Signed-off-by: Bernd Schmidt <bernds@codesourcery.com>
Acked-by: Bernhard Reutner-Fischer <aldot@uclibc.org>

Add sanity checks to ld.so DSBT support

This adds some DSBT index sanity checks to the runtime linker. It
catches libraries which have no index (index 0) and libraries which
try to use an already used index.

Signed-off-by: Mark Salter <msalter@redhat.com>
Signed-off-by: Bernd Schmidt <bernds@codesourcery.com>

The C6X port

This adds support for the TI C6X family of processors.

Signed-off-by: Mark Salter <msalter@redhat.com>
Signed-off-by: Aurelien Jacquiot <a-jacquiot@ti.com>
Signed-off-by: Bernd Schmidt <bernds@codesourcery.com>

Allow ABIs where SP points below the stack frame.

On C6X, the stack pointer points to a word that is not part of the current
function's stack frame.  It may be overwritten by callees.  Take this into
account when creating the stack for a cloned thread.

Signed-off-by: Bernd Schmidt <bernds@codesourcery.com>

Add support for DSBT ELF to ld.so

This adds support for DSBT ELF to ld.so.  This uses loadmaps like FD-PIC.
Some code is added in ld.so to initialize the DSBT tables, and there's
also a new target macro FINISH_BOOTSTRAP_RELOC.

Signed-off-by: Mark Salter <msalter@redhat.com>
Signed-off-by: Aurelien Jacquiot <a-jacquiot@ti.com>
Signed-off-by: Bernd Schmidt <bernds@codesourcery.com>

Add Makefile support for DSBT ELF.

This adds support for a new binary format, DSBT ELF, to the Makefiles.
Every shared library is assigned a DSBT index, and the link.so macro is
adjusted to ensure the correct linker argument is passed.

Configuration and ldso support will follow in separate commits.

Signed-off-by: Bernd Schmidt <bernds@codesourcery.com>
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>

fix locale build

make xlocale.h a dummy, locale_t is needed without it and
uClibc_locale.h is already included by locale.h

Signed-off-by: Peter S. Mazinger <ps.m@gmx.net>

fix removal of sgtty.h

Signed-off-by: Peter S. Mazinger <ps.m@gmx.net>

nptl: fix use of IS_IN_LIBPTHREAD macro

IS_IN_LIBPTHREAD should be IS_IN_libpthread instead.

Signed-off-by: Carmelo Amoroso <carmelo.amoroso@st.com>

remove obsoleted and incorrect comment

Signed-off-by: Peter S. Mazinger <ps.m@gmx.net>

provide internal hidden version of __fcntl_nocancel

guard the prototype with _LIBC, it is only for internal use

Signed-off-by: Peter S. Mazinger <ps.m@gmx.net>

add _dl_errno support to errno.h, cleanup

Add support to use errno.h in ldso.
Move __set_errno into _LIBC guard.
Remove uClibc_errno.h, unused.

Signed-off-by: Peter S. Mazinger <ps.m@gmx.net>

do not enforce FORCE_SHAREABLE_TEXT_SEGMENTS on sh4

Signed-off-by: Peter S. Mazinger <ps.m@gmx.net>

sgtty.h is useless, remove it on STRICT_HEADERS

Signed-off-by: Peter S. Mazinger <ps.m@gmx.net>

paths.h: add _PATH_GSHADOW

Signed-off-by: Peter S. Mazinger <ps.m@gmx.net>

guard nl_catd structure and related constants with STRICT_HEADERS

Signed-off-by: Peter S. Mazinger <ps.m@gmx.net>

better guard of IPV6 related stuff

Function prototypes are visible whenever IPV6 option is enabled.
Structures and constants are visible either if IPV6 is enabled
or STRICT_HEADERS is disabled.

Signed-off-by: Peter S. Mazinger <ps.m@gmx.net>

do not care about libc-internal.h, remove hp-timing.h

Signed-off-by: Peter S. Mazinger <ps.m@gmx.net>

strcpy: remove unneeded includes from the generic version

Signed-off-by: Peter S. Mazinger <ps.m@gmx.net>

update some headers

Sync some headers with glibc.
realpath is an XSI extension in SuSv4, add back guard and update comment,
since it seems to allow != NULL in second arg.

Signed-off-by: Peter S. Mazinger <ps.m@gmx.net>

update some headers

Signed-off-by: Peter S. Mazinger <ps.m@gmx.net>

make it possible to compile with -std=gnu99/c99 and use extern inlines

When compiled with -std=gnu99/c99 __GNUC_GNU_INLINE__ is not defined

Signed-off-by: Peter S. Mazinger <ps.m@gmx.net>

simplify guard of uClibc internals

Simplify guard of uClibc internals, since _LIBC sections are removed on install.

Signed-off-by: Peter S. Mazinger <ps.m@gmx.net>

remove libc-internal.h on install

Remove libc-internal.h on install, I think internal is a typo.

Signed-off-by: Peter S. Mazinger <ps.m@gmx.net>

remove ucontext.h and guard sigstack structure with SUSV4_LEGACY and STRICT_HEADERS

Remove ucontext.h if SUSV4_LEGACY is not set and fix it's references.
Guard sigstack structure with SUSV4_LEGACY and STRICT_HEADERS.
Disable sigstack function prototype, it is not provided by uClibc.

Signed-off-by: Peter S. Mazinger <ps.m@gmx.net>

make parse_printf_format() depend on UCLIBC_HAS_GLIBC_CUSTOM_PRINTF

we already remove the printf.h header if this option is disabled

Signed-off-by: Peter S. Mazinger <ps.m@gmx.net>

remove error handling from some syscalls

Remove error handling from getegid/getgid/geteuid/getuid/getppid/getpid/getpgrp
Use strong_alias if fallbacks are needed

Signed-off-by: Peter S. Mazinger <ps.m@gmx.net>

fix dependency on ADVANCED_REALTIME

Do not depend on ADVANCED REALTIME for mq_send/mq_receive
Added stubs implementation based on libc's stubs.c

Signed-off-by: Peter S. Mazinger <ps.m@gmx.net>

fix stubs

We use enosys_stub only in this file so make it static

Signed-off-by: Peter S. Mazinger <ps.m@gmx.net>

initialize 2 variables to get rid of compiler warning

Signed-off-by: Peter S. Mazinger <ps.m@gmx.net>

Correct ssp code

Avoid using strong_alias in ssp, some archs dislike it.
Make stack_chk_guard static.
Export __stack_smash_handler only if compatibility option is enabled.

Signed-off-by: Peter S. Mazinger <ps.m@gmx.net>

add missing prototypes

Add some missing prototypes

Signed-off-by: Peter S. Mazinger <ps.m@gmx.net>

use common sigthread.h

NPTL build did not use the correct bits/sigthread.h, use a common version
avoiding this.

Signed-off-by: Peter S. Mazinger <ps.m@gmx.net>