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2014-04-23ldso/mips: Remove redundant LD_DEBUG printsGregory Fong
These should have been protected by if (_dl_debug_reloc && _dl_debug_detail) , but since the previous change "ldso/mips: actually print results of each relocation" makes this redundant, just eliminate these prints instead. I think this is the only item that is still printing regardless of the value of LD_DEBUG when uClibc is built with SUPPORT_LD_DEBUG=y. Signed-off-by: Gregory Fong <gregory.0xf0@gmail.com> Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2014-04-23ldso/mips: actually print results of each relocationGregory Fong
The patched line was outside of the body of the loop over relocations and so would only print the results of the last relocation, fix that. Signed-off-by: Gregory Fong <gregory.0xf0@gmail.com> Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2014-04-23ldso: Fix misplaced declarationBernhard Reutner-Fischer
Apparently i made a typo when applying 278a06d7abcc8774ba9bb9c15779749c7e2d68cd sorry.. Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2014-04-23weak symbols need to be "defined" weak but "declared" strongVineet Gupta
Patch "LT.old: Make __errno_location/__h_errno_location thread safe" uncovered yet another bug with static linking and errno (hopefully this is last of them all). Currently, __errno_location is declared weak but is defined strong. While this provides with the desired weak semantics in dso, it is subtly broken in static links. Quoting Joern Rennecke (ARC gcc expert): | I think the issue is that you declare the function as weak in the | header file. That is a rare instance where you want the reference | use declaration that differs a bit from the definition. | If the reference uses a weakly declared function, that creates a | weakref, i.e. the linker won't bother to look for this symbol at | all - if it gets linked in for some other reason, fine, | otherwise, it stays zero. So the solution to declare strong, define weak. Supporting data ----------------- orig code: ARM mmap wrapper (LT.old build + my prev patch for errno) _mmap: @ args = 8, pretend = 0, frame = 0 @ frame_needed = 0, uses_anonymous_args = 0 stmfd sp!, {r4, r5, r7, lr} ldr r5, [sp, #20] movs ip, r5, asl #20 beq .L2 bl __errno_location(PLT) mov r3, #22 str r3, [r0, #0] mvn r0, #0 ... ... .weak __errno_location A statically linked hello world program which uses mmap too. As we can see__errno_location is completely gone - which is semantically wrong - we need functional errno. 00008274 <__GI_mmap>: 8274: e92d40b0 push {r4, r5, r7, lr} 8278: e59d5014 ldr r5, [sp, #20] 827c: e1b0ca05 lsls ip, r5, #20 8280: 0a000004 beq 8298 8284: e320f000 nop {0} ^^^^^^^^^^ 8288: e3a03016 mov r3, #22 828c: e5803000 str r3, [r0] 8290: e3e00000 mvn r0, #0 This in turn is due to a fixup in ARM ld which transforms branch-to-null into a nop. It is better than crashing but still wrong since errno handling is removed. With the patch, errno_location is restored back in test program. 00008274 <__GI_mmap>: 8274: e92d40b0 push {r4, r5, r7, lr} 8278: e59d5014 ldr r5, [sp, #20] 827c: e1b0ca05 lsls ip, r5, #20 8280: 0a000004 beq 8298 <__GI_mmap+0x24> 8284: eb000010 bl 82cc <__errno_location> 8288: e3a03016 mov r3, #22 828c: e5803000 str r3, [r0] Cc: Christian Ruppert <christian.ruppert@abilis.com> CC: Francois Bedard <Francois.Bedard@synopsys.com> Cc: Anton Kolesov <Anton.Kolesov@synopsys.com> Cc: Joern Rennecke <joern.rennecke@embecosm.com> Cc: Jeremy Bennett <jeremy.bennett@embecosm.com> Cc: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Cc: Peter Korsgaard <peter@korsgaard.com> Cc: Khem Raj <raj.khem@gmail.com> Signed-off-by: Vineet Gupta <vgupta@synopsys.com> Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2014-04-23LT.old: Make __errno_location/__h_errno_location thread safeVineet Gupta
WHY: errno in uClibc is not thread safe HOW: __errno_location and it's sibling __h_errno_location need to be called via PLT - even from within libc. That way when linked with pthread, intra-uClibc callers will also use the thread safe version. This is achieved by removing the GI alias for these functions, ensuring that they get called normally (via PLT) Verified with ARC LT.old and ARM cubieboard2 buildroot (LT.old) NPTL is unaffected by this bug. ------------ History behind this patch --------------------- This is a long standing bug (https://bugs.busybox.net/show_bug.cgi?id=2089) Others have tried to fix it in past (alteast Peter Korsgaard's patch in 2010), but somehow failed to be merged (or were backed out afterwards). http://lists.uclibc.org/pipermail/uclibc/2010-July/044176.html One of the causes could be side effect of atleast one more bug related to pthreads and static link which has now been fixed. http://lists.uclibc.org/pipermail/uclibc/2013-October/047958.html I have solved this w/o looking at other pacthes but would like to give credit to Peter and others for confirming that it makes sense. Cc: Christian Ruppert <christian.ruppert@abilis.com> CC: Francois Bedard <Francois.Bedard@synopsys.com> Cc: Joern Rennecke <joern.rennecke@embecosm.com> Cc: Jeremy Bennett <jeremy.bennett@embecosm.com> Cc: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Cc: Peter Korsgaard <peter@korsgaard.com> Cc: Khem Raj <raj.khem@gmail.com> Cc: buildroot@busybox.net Signed-off-by: Vineet Gupta <vgupta@synopsys.com> Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2014-04-09ctype.h: Tweak commentBernhard Reutner-Fischer
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2014-04-08ldso: fix standalone execution on x86_64 architectureCédric VINCENT
If the dynamic linker is built with LDSO_STANDALONE_SUPPORT=y, it can load then run a dynamically linked program when explicitly invoked from the command line. This is used for test and prelink purposes, and also by other tools like PRoot to force the kernel to load the right ELF interpreter. This feature is currently broken on x86_64 since the number of command line arguments (ie. argc) passed from the kernel is an "elf_addr_t" (64 bit on x86_64), whereas it is read as an "unsigned int" (32 bit on x86_64). Ref: https://github.com/cedric-vincent/PRoot/issues/45 Signed-off-by: Cédric VINCENT <cedric.vincent@st.com> Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2014-04-06test/math: add libm-test-ulps-{arm,mips32,mips64} filesGregory Fong
Adds the mips and arm test ULPs from glibc. Signed-off-by: Gregory Fong <gregory.0xf0@gmail.com> Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2014-04-04test/math: don't try to build test dep as testGregory Fong
libm-test.c is a generated file needed by the other math tests, but test rules were trying to build it as a test if trying to compile the tests a second time. Signed-off-by: Gregory Fong <gregory.0xf0@gmail.com> Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2014-04-04test/math: Select correct ULPs for mips32/mips64Gregory Fong
Using TARGET_ARCH isn't sufficient when ISA can differ. Signed-off-by: Gregory Fong <gregory.0xf0@gmail.com> Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2014-04-04sysinfo.h: Prevent redeclarationsBernhard Reutner-Fischer
Guard against duplicate inclusion. We should go back to just including the linux/sysinfo.h .. Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2014-04-02libc: Fix buglet around __prognameBernhard Reutner-Fischer
508b20ead1710e8c295630d096960e51a65b7e5d disentangled program_invocation_name and __progname but forgot to make __progname conditional on __UCLIBC_HAS___PROGNAME__, resulting in getconf attempting to re-define __progname in case __UCLIBC_HAS___PROGNAME__ was not defined. Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2014-04-02test: Reuse PTINC in nptl testsBernhard Reutner-Fischer
Use toplevel Rules.mak notion of PTINC as list of includes to use for the testcases. Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2014-04-01Fix warnings in MIPS buildSteve Ellcey
This patch fixes the rest of the set-but-not-used warnings in the MIPS code by using attribute_unused and also fixes some conversion warnings by changing __arch_compare_and_exchange_xxx_[8|16]_int. Assigning __cmp (int type) to __prev (pointer type) generates a warning. Assigning zero to each separately avoids this warning without having to add a cast. Signed-off-by: Steve Ellcey <sellcey@mips.com> Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2014-04-01xtensa: add missing .literal_position directivesMax Filippov
This addition allows building uClibc with -mtext-section-literals Signed-off-by: Max Filippov <jcmvbkbc@gmail.com> Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2014-04-01ARC: Make vfork weak in libcVineet Gupta
Anton reported: ------------------->8--------------------- Package iperf cannot be built in Buildroot due to following error: /home/akolesov/env/autobuild/tmp/host/usr/bin/arc-buildroot-linux-uclibc-g++ -Wall -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -pipe -Os --static -o iperf -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -pipe -Os -pthread -DHAVE_CONFIG_H Client.o Extractor.o Launch.o List.o Listener.o Locale.o PerfSocket.o ReportCSV.o ReportDefault.o Reporter.o Server.o Settings.o SocketAddr.o gnu_getopt.o gnu_getopt_long.o main.o service.o sockets.o stdio.o tcp_window_size.o ../compat/libcompat.a /home/akolesov/env/autobuild/tmp/host/usr/arc-buildroot-linux-uclibc/sysroot/usr/lib/libc.a(vfork.os): In function `vfork': (.text+0x0): multiple definition of `vfork' /home/akolesov/env/autobuild/tmp/host/usr/arc-buildroot-linux-uclibc/sysroot/usr/lib/libpthread.a(ptfork.os):ptfork.c:(.text+0xc0): first defined here collect2: error: ld returned 1 exit status ------------------->8--------------------- Signed-off-by: Vineet Gupta <vgupta@synopsys.com> Cc: Anton Kolesov <Anton.Kolesov@synopsys.com> Cc: Francois Bedard <Francois.Bedard@synopsys.com> Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2014-03-12libc: fix mips N64 pread/pwrite buildSteve Ellcey
Uclibc is not building for MIPS N64 because pread is trying to use the pread/pwrite system calls instead of pread64/pwrite64. This patch fixes the problem and was tested with LFS enabled and disabled. Signed-off-by: Steve Ellcey <sellcey@mips.com> Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2014-02-18test: Fix math .c dependencyBernhard Reutner-Fischer
When explicitly running the compile target we were missing a dependency to generate the libm-test.c. Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2014-02-15buildsys: pass correct linker to compiler driverBernhard Reutner-Fischer
Testing linker features has to be done against the correct linker. Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2014-02-15buildsys: Add MIPS64R2 supportSteve Ellcey
There is support for mips64(r1) already in uclibc, this change adds mips64r2 by adding the MIPS64R2 config variable and checking it in Rules.mak. Signed-off-by: Steve Ellcey <sellcey@mips.com> Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2014-02-15mips: Remove duplicate macro definitionsSteve Ellcey
The INLINE_SYSCALL, INTERNAL_SYSCALL*, and internal_syscall* macros are defined for MIPS in both libc/sysdeps/linux/mips/sysdep.h and libc/sysdeps/linux/mips/bits/syscalls.h. The macros are the same in both cases except that syscalls.h defines internal_syscalls[567] the same for N32 and N64 ABIs and has a different definition for O32. I believe that is correct. The sysdep.h header uses the O32 versions for N32 and has different definitions for N64. I think that is wrong and that N32 and N64 should share the same definition (modulo the type 'long' vs. 'long long' for the arguments. This setup (from sysdep.h) now agrees with what glibc has. I am not positive about which header (sysdep.h vs syscalls.h) is really the right one to have these definitions in but using sysdep.h seems to work for all my builds. Signed-off-by: Steve Ellcey <sellcey@mips.com> Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2014-02-15libc: Fix sync_file_range.c for MIPS64 N32 ABISteve Ellcey
The special sync_file_range handling is only needed for the O32 ABI (regardless of whether it is on mips32 or mips64). The N32 (and N64) ABI's should both use the standard code. This routine was using the special code for the N32 ABI because that ABI has a word size of 32 bits and that is wrong. This patch fixes it by checking the ABI used instead of checking the word size. Signed-off-by: Steve Ellcey <sellcey@mips.com> Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2014-02-15test/tls/tst-tls[6-8]: Fix build errorsVineet Gupta
Signed-off-by: Vineet Gupta <vgupta@synopsys.com> Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2014-02-15libc: silence warning in ftsBernhard Reutner-Fischer
cderrno is dead code, comment it out. Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2014-02-02libc: mips: Fix setjmp/longjmp for MIPS64 N64 ABIWaldemar Brodkorb
When booting a Linux system with qemu-system-mips64 the execution of $(pwd) in the ash shell triggers a segmentation fault. Ash uses setjmp/longjmp for exception handling. After looking at the glibc implementation, I found some differences, with this patch tries to resolve. Now the system boots up fine and no segmentation faults occur. The global pointer should be restored and the types for the register values should be wide enough. See: http://www.cygwin.com/ml/libc-alpha/2003-03/msg00363.html Signed-off-by: Waldemar Brodkorb <wbx@openadk.org> Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2014-02-02mips: silence 'set but not used' warningsSteve Ellcey
This patch uses 'attribute_unused' to clean up a number of warnings messages that are generated when doing a MIPS build. All of the changes are in MIPS specific files and there are no code changes other then adding the unused attribute where needed. Signed-off-by: Steve Ellcey <sellcey@mips.com> Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2014-02-02libc: mips: Fix non-LFS buildSteve Ellcey
The MIPS build is failing when UCLIBC_HAS_LFS is set to "n" because posix_fadvise64.c is included in the build when it should not be. Signed-off-by: Steve Ellcey <sellcey@mips.com> Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2014-01-24mips: silence _ABI* undef warningsBernhard Reutner-Fischer
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2014-01-22powerpc: syscall support up to 6 argumentsBernhard Reutner-Fischer
As reported by Kristof Provost. Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2014-01-22vfork: fix clone based versionStefan Kristiansson
The clone based version was introduced by commit 58570fc8e1fd601f15be5758ab95013d56771804 vfork: Use clone if arch does not have the vfork syscall but the code was made unreachable by the previous commit 0a043c30ee71245dfe7c9d82d654312c5e1f6127 vfork: make all archs consistent that adds a guard which require either __NR_vfork or __NR_fork to be set. Neither will be set on an arch that would need to use the clone based version. The double declaration of vfork was also introduced by the merge of the two above mentioned patches. The missing ; was present in the original patch. CC: Markos Chandras <markos.chandras@imgtec.com> CC: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com> CC: Peter S. Mazinger <ps.m@gmx.net> Signed-off-by: Stefan Kristiansson <stefan.kristiansson@saunalahti.fi> Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2014-01-22libc: fix MIPS N64 forkWaldemar Brodkorb
fork() is broken for MIPS64 N64 ABI. You can check it with a simple C program statically linked with qemu-mips64 user emulation. Internally fork() is using the clone system call (at least with NPTL) with 5 arguments. See ./libpthread/nptl/sysdeps/unix/sysv/linux/i386/fork.c. The calling conventions for MIPS N32 and N64 allow to use up to 8 registers for that. See http://en.wikipedia.org/wiki/Calling_convention#MIPS This is correctly implemented in libc/sysdeps/linux/mips/bits/syscalls.h, but not in libc/sysdeps/linux/mips/sysdep.h. fork.c uses the later one. It seems that fork() works fine for MIPS64 N32 with just using the stack like with the O32 case. There is a user of INLINE_SYSCALL with 7 arguments in libc/sysdeps/linux/common/sync_file_range.c for MIPS64 N32, so I decided to only use the macros for the MIPS64 N64 case. With this patch my uClibc based Linux system boots up fine in qemu-system-mips64. Signed-off-by: Waldemar Brodkorb <wbx@openadk.org> Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2014-01-15nptl: Fix arm pt-vforkBernhard Reutner-Fischer
We were ending up with an unrecognised CPP token (which is not diagnosed for assembler-with-cpp, 59805) Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2014-01-15libc: add guard for arm thumb2 asmBernhard Reutner-Fischer
Fixes gen_lowlevelrobustlock on thumb2 Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2014-01-15ldso: arm, metag: Use runtime pagesizeBernhard Reutner-Fischer
Use the generic runtime pagesize as per ce54b92b046b65464e2d16b3842f3e97e3e0f27e Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2014-01-14buildsys: metag: Remove inappropriate commentBernhard Reutner-Fischer
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2014-01-08ARC: opencode ENTRY/END macros in crt1Vineet Gupta
crt1.S -> include sysdep.h -> include sysnum.h In multistage gcc build, Buildroot happens to build crt1.S before sysnum.h is generated. So break the above include chain and opencode the ENTRY/END macros. Reported-by: Anton Kolesov <akolesov@synopsys.com> Signed-off-by: Vineet Gupta <vgupta@synopsys.com> Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2014-01-08buildsys: store savedefconfig to defconfig fileVineet Gupta
It now generated a file name defconfig in current directory Signed-off-by: Vineet Gupta <vgupta@synopsys.com> Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2014-01-08xtensa: use common ptrace.hBaruch Siach
Adds support for architecture independent actions. Cc: Chris Zankel <chris@zankel.net> Signed-off-by: Baruch Siach <baruch@tkos.co.il> Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2014-01-08libc: posix_fadvise: restore implementation for xtensaBaruch Siach
Commit ee84b8b400 (linux: posix_fadvise: use new SYSCALL_ALIGN_64BIT) removed posix_fadvise implementation for xtensa, since xtensa does not define __NR_fadvise64. Reuse the ARM support code to restore xtensa support. This commit is based Mike Frysinger's suggested patch. Cc: Mike Frysinger <vapier@gentoo.org> Signed-off-by: Baruch Siach <baruch@tkos.co.il> Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2014-01-08siginfo.h: __SIGEV_PAD_SIZE takes __WORDSIZE into accountVicente Olivert Riera
Make __SIGEV_PAD_SIZE to take __WORDSIZE into account for alpha, mips and ia64 arches. Signed-off-by: Vicente Olivert Riera <Vincent.Riera@imgtec.com> Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2014-01-08siginfo.h: add a missing function member on ia64, mips and sparc archesVicente Olivert Riera
Add "__pid_t _tid" member which is used for some packages, like rt-test for instance, which fails with an error like this one: src/cyclictest/cyclictest.c:638:9: error: 'union <anonymous>' has no member named '_tid' Signed-off-by: Vicente Olivert Riera <Vincent.Riera@imgtec.com> Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2014-01-08buildsys: update unifdefBernhard Reutner-Fischer
sync up to 1542ea42da59018860a987f34f065cd120982e8c (2.10 + cleaner exit status handling) Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2014-01-07buildsys: fixup unifdef state in skiphash, linenumBernhard Reutner-Fischer
amend to fixup line-numbering in the unifdefile Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2014-01-07buildsys: fixup unifdef state in skiphashBernhard Reutner-Fischer
attempt to fix unifdef swallowing -f defundefile lines Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2013-12-23elf: Add ARC Magic and RelocationsVineet Gupta
Signed-off-by: Vineet Gupta <vgupta@synopsys.com> Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2013-12-20ldso: ARC: tweak whitespace some moreBernhard Reutner-Fischer
Use spaces instead of tabs in the table to accomodate different tab settings. Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2013-12-20ldso: ARC whitespace tweaksVineet Gupta
Signed-off-by: Vineet Gupta <vgupta@synopsys.com> Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2013-12-20inet: Fix threaded res_initKenneth Soerensen
In a multi-threaded application where res_init() was called either directly or implicitly, getaddrinfo() and others failed to add the DNS search domain to hostnames. This problem made it not possible to look up a hostname without its domain appended. The problem is caused by res_sync_func() overwriting the configuration read by __open_nameservers() immediately after it is read. The suggested solutin is to disable res_sync_func() while reading name server configuration in res_init(). Signed-off-by: Kenneth Soerensen <kenneth.sorensen@spectralink.com> Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2013-12-20librt: fix mq_timed{send,receive} return instructionsBaruch Siach
Not all architectures use 'ret' as function return instruction. For example, xtensa usually uses 'retw'. Use the ret_ERRVAL arch dependant macro instead. Signed-off-by: Baruch Siach <baruch@tkos.co.il> Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
2013-12-20libc/sysdeps: commonize ret_ERRVALBaruch Siach
* Add a common ret_ERRVAL definition * Remove ret_ERRVAL from architectures using the common 'ret' * Add 'undef' to architectures that need a different return instruction * Add '#include <common/sysdep.h>' to cris and ia64 that were missing it Signed-off-by: Baruch Siach <baruch@tkos.co.il> Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>