* fhandler_disk_file.cc (fhandler_disk_file::pread): Skip to non-atomic
code if mandatory locking is used on this descriptor. Explain why.
(fhandler_disk_file::pwrite): Ditto.
* posix.sgml (std-notes): Extend description of file locking.
* exceptions.cc (_cygtls::handle_SIGCONT): Simplify loop waiting for
sig_handle_tty_stop to wake up. Make sure to unlock before calling
yield to avoid starvation of sig_handle_tty_stop. Add comments.
* miscfuncs.cc (yield): Explain why yield should never be called under
_cygtls::lock conditions. Call SleepEx with 1ms timeout. Explain why.
* Makefile.in: Add rule to rebuild Makefile if Makefile.in changes.
Include Makefile.dep last.
(Makefile.dep): Run xidepend within source dir. Temporarily drop
faq.xml from dependencies.
* xidepend: Fix creating base filename to accommodate VPATH.
Corinna Vinschen [Mon, 27 May 2013 19:31:04 +0000 (19:31 +0000)]
* dll_init.cc (dll_list::topsort): Fix early-return condition to
accommodate process with all runtime loaded DLLs already dlclosed
at fork time.
* gendef (_sigfe_maybe): Fix code handling early return if we don't
have a tls, broken on 2013-05-21.
Corinna Vinschen [Fri, 24 May 2013 21:12:16 +0000 (21:12 +0000)]
* Makefile.in (DEFS): Unused, remove.
(COMPILE.cc): Move -mno-use-libstdc-wrappers flag from here...
($(TEST_DLL_NAME)): ...to here since it's a link time flag.
Corinna Vinschen [Fri, 24 May 2013 13:32:10 +0000 (13:32 +0000)]
* environ.cc (win_env::add_cache): Set the Windows environment variable
using wide chars to make sure native chars don't get scrambled.
* environ.h (build_env): Fix formatting in declaration.
* pinfo.cc (pinfo::status_exit): Handle STATUS_NO_MEMORY. Explain why.
Corinna Vinschen [Thu, 23 May 2013 20:10:35 +0000 (20:10 +0000)]
* dcrt0.cc (child_info_fork::alloc_stack_hard_way): Fix datatype of
stacksize to SIZE_T. Cast to SIZE_T in pointer arithmetic. Slightly
enhance output in case of a fatal error.
* fork.cc (frok::parent): Always set ch.stackaddr to DeallocationStack
value of current thread to help stack reservation in
child_info_fork::alloc_stack_hard_way along. Simplify subsequent code
storing stack values in ch. Print guardsize in hex, too.
Corinna Vinschen [Thu, 23 May 2013 14:26:53 +0000 (14:26 +0000)]
* cygwinenv.xml (cygwinenv-implemented-options): Explain new
winsymliks:nativestrict option. Strip out description of symlink types
and refer to new pathnames-symlinks section.
* highlights.xml (ov-hi-files): Rip out most of symlink description and
refer to new pathnames-symlinks section instead.
* new-features.xml (ov-new1.7.19): Add CYGWIN=winsymlinks:nativestrict.
* pathnames.xml (pathnames-symlinks): New section describing symbolic
link handling.
Corinna Vinschen [Thu, 23 May 2013 14:23:01 +0000 (14:23 +0000)]
* environ.cc (set_winsymlinks): Handle "winsymlinks:nativestrict"
option. On pre-Vista warn the user if the "winsymlinks:native*" option
is set.
* globals.cc (enum winsym_t): Add WSYM_nativestrict.
* path.cc (symlink_native): Don't create native symlink if target
does not exist. Explain why. Improve comments.
(symlink_worker): Change AFS symlink handling to WSYM_nativestrict.
Handle WSYM_nativestrict throughout. Change condition for bail out
to wsym_type == WSYM_nativestrict. Add comment. Fix formatting.
* shared_info.h (CURR_USER_MAGIC): Change to reflect change in
class user_info.
(class user_info): Add member warned_nonativesyms.
gas/
2013-05-22 Jürgen Urban <JuergenUrban@gmx.de>
* config/tc-mips.c (macro): Handle M_LQC2_AB and M_SQC2_AB.
gas/testsuite/
2013-05-22 Jürgen Urban <JuergenUrban@gmx.de>
* gas/mips/r5900-full.s, gas/mips/r5900-full.d: Add tests for LQ
and SQ macros.
* gas/mips/r5900-vu0.s, gas/mips/r5900-vu0.d: New test.
* gas/mips/mips.exp: Run it.
Corinna Vinschen [Wed, 22 May 2013 16:55:55 +0000 (16:55 +0000)]
* spinlock.h (ULONG): Replace LONG operator with ULONG to accommodate
the fact that CURR_SHARED_MAGIC and USER_SHARED_MAGIC are unsigned
values.
* shared.cc (shared_info::initialize): Drop explicit cast here.
Corinna Vinschen [Tue, 21 May 2013 09:32:12 +0000 (09:32 +0000)]
Reinstantiate accidentally removed patch from 2009-05-16:
* Makefile.in (cygpath.exe): Link against cygwin.a before linking
against ntdll.dll to avoid linking symbols defined in both DLLs
from ntdll.
(ps.exe): Ditto.
* sigproc.cc (sig_hold): Delete.
(sigheld): Delete.
(sig_send): Eliminate special-case __SIGHOLD handling.
(wait_sig): Just flag when signals are on hold and add them to the queue rather
than stalling the wait_sig loop. Clear the flag when __SIGNOHOLD is specified.
Corinna Vinschen [Tue, 14 May 2013 13:34:05 +0000 (13:34 +0000)]
* Makefile.in (localtime_CFLAGS): Define as -fwrapv since localtime
code requires int overflows to be fully defined.
* localtime.cc: Align a bit more to upstream code.
Warren Young [Mon, 13 May 2013 21:17:22 +0000 (21:17 +0000)]
Removed setup.xml and cygwin-ug.xml: they were not inputs to any of the
documentation outputs. Apparently they were the predecessors of
setup-net.xml and cygwin-ug-net.xml. I don't know if for a time there
were parallel versions of the manuals and one fork died, or if the cutover
was clean and the old versions were just never removed. Either way,
they're dead junk now.
Warren Young [Fri, 10 May 2013 15:58:48 +0000 (15:58 +0000)]
- Added <?xml> and <!DOCTYPE> tags to the top of utils.xml and pretty-
printed it.
- Removed obsolete utils.sgml
- Added a ChangeLog entry for this replacement, which partially took
place days ago. This checkin formalizes the switch from SGML to
DocBook XML for this file.
gas/ChangeLog:
* config/tc-mips.c (struct mips_set_options): New ase_virt field.
(mips_opts): Update for the new field.
(file_ase_virt): New variable.
(ISA_SUPPORTS_VIRT_ASE): New macro.
(ISA_SUPPORTS_VIRT64_ASE): New macro.
(MIPS_CPU_ASE_VIRT): New define.
(is_opcode_valid): Handle ase_virt.
(macro_build): Handle "+J".
(validate_mips_insn): Likewise.
(mips_ip): Likewise.
(enum options): Add OPTION_VIRT and OPTION_NO_VIRT.
(md_longopts): Add mvirt and mnovirt
(md_parse_option): Handle OPTION_VIRT and OPTION_NO_VIRT.
(mips_after_parse_args): Handle ase_virt field.
(s_mipsset): Handle "virt" and "novirt".
(mips_elf_final_processing): Add a comment about virt ASE might need a new flag.
(md_show_usage): Print out the usage of -mvirt and mno-virt options.
* doc/c-mips.texi: Document -mvirt and -mno-virt.
Document ".set virt" and ".set novirt".
gas/testsuite/ChangeLog:
* gas/mips/mips.exp: Run virt and virt64 testcases.
* gas/mips/virt.d: New file.
* gas/mips/virt.s: New file.
* gas/mips/virt64.d: New file.
* gas/mips/virt64.s: New file.
include/opcode/ChangeLog:
* mips.h (OP_MASK_CODE10): Correct definition.
(OP_SH_CODE10): Likewise.
Add a comment that "+J" is used now for OP_*CODE10.
(INSN_ASE_MASK): Update.
(INSN_VIRT): New macro.
(INSN_VIRT64): New macro
opcodes/ChangeLog:
* mips-dis.c (mips_arch_choices): Add INSN_VIRT to mips32r2 .
Add INSN_VIRT and INSN_VIRT64 to mips64r2.
(parse_mips_dis_option): Handle the virt option.
(print_insn_args): Handle "+J".
(print_mips_disassembler_options): Print out message about virt64.
* mips-opc.c (IVIRT): New define.
(IVIRT64): New define.
(mips_builtin_opcodes): Add dmfgc0, dmtgc0, hypcall, mfgc0, mtgc0,
tlbgr, tlbgwi, tlbginv, tlbginvf, tlbgwr, tlbgp VIRT instructions.
Move rfe to the bottom as it conflicts with tlbgp.
Jeff Johnston [Wed, 8 May 2013 23:13:51 +0000 (23:13 +0000)]
2013-05-07 Sebastian Huber <sebastian.huber@embedded-brains.de>
* libc/include/sys/config.h (_REENT_GLOBAL_ATEXIT): Define for
RTEMS.
* libc/include/sys/reent.h (_reent): Use _REENT_GLOBAL_ATEXIT.
(_global_atexit): Declare if _REENT_GLOBAL_ATEXIT is defined.
* libc/reent/reent.c (_reclaim_reent): Remove atexit cleanup if
_REENT_GLOBAL_ATEXIT is defined.
(_wrapup_reent): Remove atexit handling if _REENT_GLOBAL_ATEXIT
is defined.
* libc/stdlib/__atexit.c (_global_atexit0): Define if
_REENT_GLOBAL_ATEXIT is defined.
* libc/stdlib/__call_atexit.c (_global_atexit): Define if
_REENT_GLOBAL_ATEXIT is defined.
* fhandler_tty.cc (fhandler_pty_common::__acquire_output_mutex): Never wait an
INFINITE amount of time. Instead default to 1/10 second.
(fhandler_pty_slave::open): Just default to INFINITE wait rather than
(now) waiting longer than previously.
Warren Young [Mon, 6 May 2013 21:20:41 +0000 (21:20 +0000)]
Reverted XInclude in cygwin-api.in.xml from an XInclude to a DOCTOOL
include. You can't mix the two fragment inclusion mechanisms within
a single document because of the way it interacts with autoconf "build
in separate tree" mechanism. Either work separately, but they fail when
you try to use them together due to the way doctool chooses output
directories for its generated files.
* spawn.cc (ILLEGAL_SIG_FUNC_PTR): New define.
(system_call_handle): Rename from system_call_cleanup.
(is_system_call): New convenience method.
(system_call_handle::system_call_handle): Use ILLEGAL_SIG_FUNC_PTR rather than
cast. Call sig_send here rather than in caller. Initialize oldint.
(system_call_handle::arm): New function pulled from constructor.
(~system_call_handle::system_call_handle): Use is_system_call().
(child_info_spawn::worker): Use system_call_handle to set up for system call
early. Use arm call prior to waiting for child to properly set up signal
handling. Move comment closer to code it is commenting on.
Nick Clifton [Thu, 2 May 2013 21:06:14 +0000 (21:06 +0000)]
* archures.c: Add some more MSP430 machine numbers.
* config.bfd (msp430): Define targ_selvecs.
* configure.in: Add bfd_elf32_msp430_ti_vec.
* cpu-msp430.c: Add some more MSP430 machine numbers.
* elf32-msp430.c Add support for MSP430X relocations.
Add support for TI compiler generated relocations.
Add support for sym_diff relocations.
Add support for relaxing out of range short branches into long
branches.
Add support for MSP430 attribute section.
* reloc.c: Add MSP430X relocations.
* targets.c: Add bfd_elf32_msp430_ti_vec.
* bfd-in2.h: Regenerate.
* configure: Regenerate.
* libbfd.h: Regenerate.
* readelf.c: Add support for MSP430X architecture.
* readelf.exp: Expect -wi test to fail for the MSP430.
* config/tc-msp430.c: Add support for the MSP430X architecture.
Add code to insert a NOP instruction after any instruction that
might change the interrupt state.
Add support for the LARGE memory model.
Add code to initialise the .MSP430.attributes section.
* config/tc-msp430.h: Add support for the MSP430X architecture.
* doc/c-msp430.texi: Document the new -mL and -mN command line
options.
* NEWS: Mention support for the MSP430X architecture.
* gas/all/gas.exp: Skip the DIFF1 test for the MSP430.
Expect the FORWARD test to pass for the MSP430.
Skip the REDEF tests for the MSP430.
Expect the 930509A test to fail for the MSP430.
* gas/all/sleb128-4.d: Skip for the MSP430.
* gas/elf/elf.exp: Set target_machine to msp430 for the MSP430.
Skip the EHOPT0 test for the MSP430.
Skip the REDEF and EQU-RELOC tests for the MSP430.
* gas/elf/section2.e-msp430: New file.
* gas/lns/lns-big-delta.d: Remove expectation of 20-bit
addresses.
* gas/lns/lns.exp: Use alternate LNS COMMON test for the MSP430.
* gas/msp430/msp430x.s: New test.
* gas/msp430/msp430x.d: Expected disassembly.
* gas/msp430/msp430.exp: Run new test.
* gas/msp430/opcode.d: Update expected disassembly.
* msp430.h: Add MSP430X relocs.
Add some more MSP430 machine numbers.
Add values used by .MSP430.attributes section.
* msp430.h: Add patterns for MSP430X instructions.
* Makefile.am: Add emsp430X.c
* Makefine.in: Regenerate.
* configure.tgt (msp430): Add msp430X emulation.
* ldmain.c (multiple_definition): Only disable relaxation if it
was enabled by the user.
* ldmain.h (RELAXATION_ENABLED_BY_USER): New macro.
* emulparams/msp430all.sh: Add support for MSP430X.
* emultempl/generic.em: (before_parse): Enable relaxation for the
MSP430.
* scripttempl/msp430.sc: Reorganize sections. Add .rodata
section.
* scripttempl/msp430_3.sc: Likewise.
* NEWS: Mention support for MSP430X.
* ld-elf/flags1.d: Expect this test to pass on the MSP430.
* ld-elf/init-fini-arrays.d: Expect this test to fail on the
MSP430.
* ld-elf/merge.d: Expect this test to pass on the MSP430.
* ld-elf/sec64k.exp: Skip these tests for the MSP430.
* ld-gc/pr13683.d: Expect this test to fail on the MSP430.
* ld-srec/srec.exp: Expect these tests to fail on the MSP430.
* ld-undefined/undefined.exp: Expect the UNDEFINED LINE test to
fail on the MSP430.
* msp430-dis.c: Add support for MSP430X instructions.
Warren Young [Wed, 1 May 2013 23:30:25 +0000 (23:30 +0000)]
Modernized user guide, API reference, and FAQ generation. Overall
effect is to move away from DocBook SGML and DJ Delorie's doctool and
toward pure DocBook XSL. (There remains just one use of doctool, and
we have plans for replacing it, too.) See ChangeLog for details.
Throughout, (mainly in fhandler*) fix remaining gcc 4.7 mismatch
warnings between regparm definitions and declarations.
* smallprint.cc (__small_vswprintf): Conditionalize declaration and
setting of l_opt for only x86_64.
* spawn.cc (child_info_spawn::worker): Remove unused 'pid' variable.
* thread.cc (verifyable_object_isvalid): Temporarily define as
non-inline with gcc 4.7+, regardless of target.
* spawn.cc (system_call_cleanup): Rename from pthread_cleanup. Extend
functionality.
(system_call_cleanup::system_call_cleanup): Set up signals like system()
requires. Unblock previously-blocked signal handling.
(system_call_cleanup::~system_call_cleanup): Restore signal handling after
system().
(child_info_spawn::worker): Put signals on hold and use system_call_cleanup
class to set and restore signals rather than doing it prior to to running the
program. Remove the ill-conceived pthread_cleanup stuff.
* exceptions.cc (cygwin_exception::dumpstack): Guard against wild pointer
dereference.
(CYG_EXC_CONTINUE_EXECUTION): Define based on standard Windows definition.
(CYG_EXC_CONTINUE_SEARCH): Ditto.
(exception::handle): Move andreas detection earlier. Make comment clearer.
(signal_exit): Set core-dumped flag.
* i686.din: New file.
* x86_64.din: New file.
* common.din: New file.
* cygwin.din: Delete.
* cygwin64.din: Delete.
* gendef: Rework to take options rather than using positional parameters.
Accept multiple files as input.
git://sourceware.org / newlib-cygwin.git / log