Corinna Vinschen [Fri, 19 Jun 2015 13:58:23 +0000 (15:58 +0200)]
Preliminary infrastructure to implement alternate stack
* libc/include/sys/signal.h: Define SS_ONSTACK and SS_DISABLE
unconditionally.
(sigaltstack): Enable prototype on Cygwin.
* common.din (sigaltstack): Export.
* cygtls.cc (_cygtls::init_thread): Initialize altstack.
* cygtls.h (__tlsstack_t): Rename from __stack_t to distinguish
more clearly from stack_t. Accommodate throughout.
(_cygtls): Add altstack member.
* exceptions.cc (exception::handle): Set SIGSEGV handler to SIG_DFL
if we encounter a stack overflow, and no alternate stack has been
defined.
* include/cygwin/signal.h (MINSIGSTKSZ): Define
(SIGSTKSZ): Define.
(SA_ONSTACK): Define.
* signal.cc (sigaltstack): New function.
* tlsoffset.h: Regenerate.
* tlsoffset64.h: Ditto.
Jon TURNEY [Tue, 16 Jun 2015 17:52:37 +0000 (18:52 +0100)]
winsup/doc: Convert cygwin-api function documentation to refentry elements
Convert cygwin-api from using a sect2 element to using a refentry element for
each function. This makes it possible to generate manpage-style output for
those elements.
Note that the chunked html now generates a page for each function, rather than
one containing all functions.
Also:
Remove pointless and incorrect date
Move introductory paragraph from the first section to the start of the chapter
Add a funcsynopsisinfo element with the header file to be included to each
function prototype
Remove extern "C" which doesn't process into all formats successfully
2015-06-17 Jon Turney <jon.turney@dronecode.org.uk>
* cygwin-api.xml: Move introductory paragraph here.
* logon-funcs.xml: Convert from using a sect2 element to using a
refentry element for each function.
* misc-funcs.xml: Ditto.
* path.xml: Ditto.
Signed-off-by: Jon TURNEY <jon.turney@dronecode.org.uk>
Jon TURNEY [Tue, 16 Jun 2015 17:40:29 +0000 (18:40 +0100)]
winsup/doc: Generate ANSI rather than K&R style function prototypes
Since K&R style prototypes appear to be the default for HTML and FO, customize
the stylesheets rendering of funcsynopsis elements to generate ANSI style
prototypes instead.
2015-06-17 Jon Turney <jon.turney@dronecode.org.uk>
* fo.xsl: Render funcsynopsis elements as ANSI style function
prototypes.
* html.xsl: Ditto.
Signed-off-by: Jon TURNEY <jon.turney@dronecode.org.uk>
Corinna Vinschen [Wed, 17 Jun 2015 09:11:02 +0000 (11:11 +0200)]
Add sethostname
* net.cc (sethostname): New function.
* common.din (sethostname): Export
* include/cygwin/version.h (CYGWIN_VERSION_DLL_MAJOR): Bump to 2001.
(CYGWIN_VERSION_DLL_MINOR): Set to 0.
* new-features.xml (ov-new): Rename from ov-new1.7.
(ov-new2.1): Add new section. Document sethostname.
Jon TURNEY [Fri, 12 Jun 2015 12:33:13 +0000 (13:33 +0100)]
winsup/doc: Make and install manpages for utils
Use 'xmlto man' to make manpages for utils
(docbook2x-man could also be used, but since we already use xmlto...)
This will generate multiple .1 files as an output, but we don't know what they
will be called, so use a timestamp file for build avoidance when the
dependencies haven't changed.
2015-06-12 Jon Turney <jon.turney@dronecode.org.uk>
* Makefile.in (install-man, utils2man.stamp): Add rules to build
and install manpages for utils.
Signed-off-by: Jon TURNEY <jon.turney@dronecode.org.uk>
Jon TURNEY [Fri, 12 Jun 2015 13:51:00 +0000 (14:51 +0100)]
winsup/doc: Convert utils.xml to using refentry elements
Convert utils.xml from using a sect2 element to using a refentry element for
each utility program. This makes it possible to generate manpage-style output
for those elements.
Note that the chunked html now generates a page for each utility, rather than
one containing all utilities.
A small customization to TOC generation for HTML and PDF is needed to ensure
that it appears as before, containing an entry for each utility command.
Future work: synopsis and options sections could use more detailed markup than
just wrapping the whole thing in <screen>
2015-06-12 Jon Turney <jon.turney@dronecode.org.uk>
* utils.xml : Convert from using a sect2 element to using a
refentry element for each utility program.
* cygwin.xsl: Customize autotoc to include refentries.
* fo.xsl: Ditto.
Signed-off-by: Jon TURNEY <jon.turney@dronecode.org.uk>
Jon TURNEY [Fri, 12 Jun 2015 13:18:07 +0000 (14:18 +0100)]
winsup/doc: Fix an issue with parallel make
The cygwin-ug-net-nochunks.html.gz target does not ensure that the
cygwin-ug-net/ directory exists, so it can fail if run on it's own, or if the
cygwin-ug-net/cygwin-ug-net.html target has not yet created it in a parallel
make.
2015-06-12 Jon Turney <jon.turney@dronecode.org.uk>
Jon TURNEY [Fri, 12 Jun 2015 12:30:50 +0000 (13:30 +0100)]
winsup/doc: Make it easier to extend xidepend to more targets
Change xidepend to create a variable containing all the XIncluded sources, which
can be used as a dependency, rather than writing the dependency target itself.
Future work: Makefile.dep should depend on xidepend, but xidepend should not be
passed to itself.
2015-06-12 Jon Turney <jon.turney@dronecode.org.uk>
* xidepend: Write a Makefile fragment defining variables
containing all the XIncluded sources, rather than a dependency on
those sources.
* Makefile.in: Use that variable to express the dependency.
Signed-off-by: Jon TURNEY <jon.turney@dronecode.org.uk>
Jon TURNEY [Tue, 16 Jun 2015 09:17:19 +0000 (10:17 +0100)]
winsup/doc: Some preparatory XML fixes
Remove the inconsistent .exe suffix in strace and umount usage lines.
Tidy up some trailing whitespace.
Tabs inside <screen> are not consistently formatted by all formatters, replace
with spaces.
Remove pointlesss and incorrect date
2015-06-12 Jon Turney <jon.turney@dronecode.org.uk>
* cygwin-ug-net.xml: Remove incorrect unused date.
* utils.xml : Remove .exe suffix inconsistently added in a few
places. Tidy up some trailing whitespace.
Signed-off-by: Jon TURNEY <jon.turney@dronecode.org.uk>
Jon TURNEY [Fri, 12 Jun 2015 09:56:55 +0000 (10:56 +0100)]
winsup/doc: Fix xidepend to handle relative pathnames
It seems that xidepend doesn't work correctly if we are ./configure'd using a
relative pathname to the srcdir:
$ make
cd ../../../../src/winsup/doc && ./xidepend ../../../../src/winsup/doc/cygwin-ug-net.xml ../../../../src/winsup/doc/cygwin-api.xml >"/wip/cygwin/build/x86_64-unknown-cygwin/winsup/doc/Makefile.dep"
grep: ../../../../src/winsup/doc/cygwin-ug-net.xml: No such file or directory
grep: ../../../../src/winsup/doc/cygwin-api.xml: No such file or directory
Although it might be better to fix this by making xidepend use pathnames, rather
than ignoring them and assuming everything is in the current directory...
2015-06-12 Jon Turney <jon.turney@dronecode.org.uk>
* xidepend: Fix to handle relative pathnames.
Signed-off-by: Jon TURNEY <jon.turney@dronecode.org.uk>
Corinna Vinschen [Mon, 15 Jun 2015 16:29:56 +0000 (18:29 +0200)]
Try to handle concurrent close on socket more gracefully
* fhandler_socket.cc (LOCK_EVENTS): Don't enter critical section with
invalid mutex handle since then socket has been closed.
(UNLOCK_EVENTS): Close critical section.
(fhandler_socket::evaluate_events): Handle calling connect on shutdown
socket.
(fhandler_socket::wait_for_events): Try for pthread_testcancel in case
of WAIT_FAILED. Try to come up with a better errno in case we waited
on an invalid handle.
(fhandler_socket::release_events): Change wsock_mtx and wsock_evt to
NULL under lock to avoid accessing invalid handle.
Jon TURNEY [Sat, 16 May 2015 14:19:59 +0000 (15:19 +0100)]
Improve strace to log most Windows debug events
Not sure if this is wanted, but on a couple of occasions recently I have been
presented with strace output which contains an exception at an address in an
unknown module (i.e. not in the cygwin DLL or the main executable), so here is a
patch which adds some more information, including DLL load addresses, to help
interpret such straces.
v2:
Use NtQueryObject() for HANDLE -> filename conversion
Add new '-e' option to toggle this additional logging
2015-06-07 Jon Turney <jon.turney@dronecode.org.uk>
* strace.cc (proc_child): Log process and thread create and exit,
and DLL load and unload.
(GetFileNameFromHandle): New function.
Signed-off-by: Jon TURNEY <jon.turney@dronecode.org.uk>
Corinna Vinschen [Wed, 10 Jun 2015 09:07:27 +0000 (11:07 +0200)]
Drop Windows 2000 considerations in ps, fix uid field length
* ps.cc (main): Widen UID field in long format to accommodate longer
UIDs since Cygwin 1.7.34. Remove Windows 2000 considerations. Fix
comments accordingly.
Evaluate /proc/$PID/{root,cwd,cmdline} for native processes
* pinfo.cc (_pinfo::root): Fake default root for native processes.
(open_commune_proc_parms): New helper function to access process
parameter block.
(_pinfo::cwd): Fetch missing cwd for native processes from processes
parameter block.
(_pinfo::cmdline): Ditto for command line.
Jon TURNEY [Wed, 11 Mar 2015 13:52:01 +0000 (13:52 +0000)]
winsup/doc: Remove ancient unused Makefile rules to make documentation tarball
This used to be used by cygwin-doc to make a tarball which would be used with a
ssh script to run docbook tools on a linux host since they weren't available on
Cygwin or something crazy like that...
2015-06-04 Jon Turney <jon.turney@dronecode.org.uk>
* Makefile.in: Remove ancient unused rules to make a documentation
tarball.
Signed-off-by: Jon TURNEY <jon.turney@dronecode.org.uk>
Jon TURNEY [Thu, 21 May 2015 16:34:41 +0000 (17:34 +0100)]
Remove mention of installing everything
An estimate of the size of installing of "hundreds of megabytes" is wildly out
of date. Just remove mention of installing everything, since it is nearly
always not a good idea.
2015-06-01 Jon Turney <jon.turney@dronecode.org.uk>
* ov-ex-unix.xml: Remove unhelpful mention of and inaccurate size
estimate for installing everything.
* ov-ex-win.xml: Ditto.
Signed-off-by: Jon TURNEY <jon.turney@dronecode.org.uk>
Szabolcs Nagy [Mon, 1 Jun 2015 08:17:34 +0000 (10:17 +0200)]
aarch64: fabs and sqrt implementation with inline asm
* libm/machine/aarch64/e_sqrt.c: New file.
* libm/machine/aarch64/ef_sqrt.c: New file.
* libm/machine/aarch64/s_fabs.c: New file.
* libm/machine/aarch64/sf_fabs.c: New file.
* libm/machine/aarch64/Makefile.in: Add new source files.
* libm/machine/aarch64/Makefile.am: Regenerate.
Jeff Johnston [Tue, 26 May 2015 19:30:30 +0000 (15:30 -0400)]
or1k: set heap start for optimsoc-gzll
- With the gzll kernel we have two different loading options:
- If the image is loaded to the global memory, the bootstrapping
loads the kernel to local memory. Applications are loaded on
demand. The heap then starts right after bss.
- If the image is pre-loaded to the local memory it includes the
application binaries right after bss. The heap then starts after
the application objects.
- We can check if this is a gzll kernel as it has the string "gzll" at
0x2000. At 0x200c we then find the end of the application objects in
the image. If there is no global memory we set _or1k_heap_start to
this value.
Jeff Johnston [Tue, 26 May 2015 19:28:31 +0000 (15:28 -0400)]
or1k: Make heap start configurable
- Previously the heap started right after the bss section. This can now
be configured by changing the _or1k_heap_start symbol that defaults to
the old value (&end). In board_init_early, we can now set this to
another value.
Jeff Johnston [Tue, 26 May 2015 19:23:39 +0000 (15:23 -0400)]
Store entire context for or1k
- Store the exception program counter (from EPCR) and exception status
register (from ESR) also during the exception. A runtime system may
replace them thereby to implement a thread switch.
Jeff Johnston [Tue, 26 May 2015 19:21:52 +0000 (15:21 -0400)]
Fix exception stack frame for or1k
- We do not need a red zone here, as we do not operate on the current
stack, but always use the clear exception stack. Also reserve two
extra words for the context to store EPCR and ESR.
Jeff Johnston [Tue, 26 May 2015 19:19:13 +0000 (15:19 -0400)]
Fix interrupt handling for or1k.
- During interrupt handling the PICSR, table pointers and current
interrupt line have been saved in incorrect registers and/or stored on
the stack.
- Save the pointer in r16/r18, PICSR in r20 and the current interrupt
line in r22. Those are callee-saved registers, so that the register
values will be preserved.
* or1k/interruts-asm.S: Change registers to callee-saved.
Nick Clifton [Mon, 18 May 2015 13:14:28 +0000 (14:14 +0100)]
Add a check that the data area does not overrun the stack.
* msp430/msp430-sim.ld (.stack): Add an assertion to make sure
that the data area does not overrun the stack. PROVIDE a new
symbol __stack_size to allow the user to set the limit.
* msp430/msp430xl-sim.ld (.stack): Likewise.
* rl78/rl78-sim.ld (.stack): Likewise.
* rl78/rl78.ld (.stack): Likewise.
* rx/rx-sim.ld (.stack): Likewise.
* rx/rx.ld (.stack): Likewise.
* msp430/Makefile.in (SCRIPTS): Remove msp430.ld.
(CRT_OBJS): Add crt_move_highdata.o.
* msp430/memmodel.h (START_CRT_FUNC): New macro.
(END_CRT_FUNC): New macro.
(WEAK_DEF): New macro.
* msp430/crt0.S: Use new macros.
(move_highdata): New code to initialise the .data section if it is
held in high memory.
* msp430/msp430-sim.ld (.data): Add .either.data.
(.rodata2): Move some read-only data sections here.
(.text): Add .either.text.
(.rodata): Add .either.rodata.
(.bss): Add .either.bss.
* msp430/msp430xl-sim.ld (MEMORY): Add HIROM.
(.rodata2): Move some read-only data sections here.
(.upper.data): New section. Include notes about how to initialise
it.
Jeff Johnston [Tue, 26 May 2015 19:30:30 +0000 (15:30 -0400)]
or1k: set heap start for optimsoc-gzll
- With the gzll kernel we have two different loading options:
- If the image is loaded to the global memory, the bootstrapping
loads the kernel to local memory. Applications are loaded on
demand. The heap then starts right after bss.
- If the image is pre-loaded to the local memory it includes the
application binaries right after bss. The heap then starts after
the application objects.
- We can check if this is a gzll kernel as it has the string "gzll" at
0x2000. At 0x200c we then find the end of the application objects in
the image. If there is no global memory we set _or1k_heap_start to
this value.
Jeff Johnston [Tue, 26 May 2015 19:28:31 +0000 (15:28 -0400)]
or1k: Make heap start configurable
- Previously the heap started right after the bss section. This can now
be configured by changing the _or1k_heap_start symbol that defaults to
the old value (&end). In board_init_early, we can now set this to
another value.
Jeff Johnston [Tue, 26 May 2015 19:23:39 +0000 (15:23 -0400)]
Store entire context for or1k
- Store the exception program counter (from EPCR) and exception status
register (from ESR) also during the exception. A runtime system may
replace them thereby to implement a thread switch.
Jeff Johnston [Tue, 26 May 2015 19:21:52 +0000 (15:21 -0400)]
Fix exception stack frame for or1k
- We do not need a red zone here, as we do not operate on the current
stack, but always use the clear exception stack. Also reserve two
extra words for the context to store EPCR and ESR.
Jeff Johnston [Tue, 26 May 2015 19:19:13 +0000 (15:19 -0400)]
Fix interrupt handling for or1k.
- During interrupt handling the PICSR, table pointers and current
interrupt line have been saved in incorrect registers and/or stored on
the stack.
- Save the pointer in r16/r18, PICSR in r20 and the current interrupt
line in r22. Those are callee-saved registers, so that the register
values will be preserved.
* or1k/interruts-asm.S: Change registers to callee-saved.
Nick Clifton [Mon, 18 May 2015 13:14:28 +0000 (14:14 +0100)]
Add a check that the data area does not overrun the stack.
* msp430/msp430-sim.ld (.stack): Add an assertion to make sure
that the data area does not overrun the stack. PROVIDE a new
symbol __stack_size to allow the user to set the limit.
* msp430/msp430xl-sim.ld (.stack): Likewise.
* rl78/rl78-sim.ld (.stack): Likewise.
* rl78/rl78.ld (.stack): Likewise.
* rx/rx-sim.ld (.stack): Likewise.
* rx/rx.ld (.stack): Likewise.
* msp430/Makefile.in (SCRIPTS): Remove msp430.ld.
(CRT_OBJS): Add crt_move_highdata.o.
* msp430/memmodel.h (START_CRT_FUNC): New macro.
(END_CRT_FUNC): New macro.
(WEAK_DEF): New macro.
* msp430/crt0.S: Use new macros.
(move_highdata): New code to initialise the .data section if it is
held in high memory.
* msp430/msp430-sim.ld (.data): Add .either.data.
(.rodata2): Move some read-only data sections here.
(.text): Add .either.text.
(.rodata): Add .either.rodata.
(.bss): Add .either.bss.
* msp430/msp430xl-sim.ld (MEMORY): Add HIROM.
(.rodata2): Move some read-only data sections here.
(.upper.data): New section. Include notes about how to initialise
it.
* libc/include/sys/config.h: Move evaluation of _UINTPTR_EQ_ULONG and
_UINTPTR_EQ_ULONGLONG from here...
* libc/include/sys/_intsup.h: ...to here. Rename to _INTPTR_EQ_LONG
and _INTPTR_EQ_LONGLONG to refer to signed base type. Add test for
base type of int32_t and set _INT32_EQ_LONG accordingly.
* libc/include/stdint.h: Change checks for __have_long32 to checks
for _INT32_EQ_LONG.
* libc/include/inttypes.h: Ditto. Accommodate aforementioned name
change.
* libc/include/sys/config.h: Move evaluation of _UINTPTR_EQ_ULONG and
_UINTPTR_EQ_ULONGLONG from here...
* libc/include/sys/_intsup.h: ...to here. Rename to _INTPTR_EQ_LONG
and _INTPTR_EQ_LONGLONG to refer to signed base type. Add test for
base type of int32_t and set _INT32_EQ_LONG accordingly.
* libc/include/stdint.h: Change checks for __have_long32 to checks
for _INT32_EQ_LONG.
* libc/include/inttypes.h: Ditto. Accommodate aforementioned name
change.
* path.cc (path_conv::set_nt_native_path): New function.
* path.h (path_conv::set_nt_native_path): Add prototype.
* syscall.cc (try_to_bin): Handle moving files to the recycler
accessed via a local virtual drive (subst). Fix a problem renaming
the file to the unique replacement name on Samba. Align comment.
* fhandler.h (class fhandler_base): Add virtual function
get_io_handle_cyg() to get handle from which OPOST-processed output is
read on PTY master.
(class fhandler_pty_slave): Add variable output_handle_cyg to store a
handle to which OPOST-processed output is written. Add two functions,
i.e., set_output_handle_cyg() and get_output_handle_cyg(), regarding
variable output_handle_cyg. Now, output_handle is used only by native
windows program. The data before OPOST-processing is written to
output_handle and OPOST-processing is applied in the master-side. For a
cygwin process, OPOST-processing is applied in the slave-side, and the
data after OPOST-processing is written to output_handle_cyg.
(class fhandler_pty_master): Add two variables, i.e., io_handle_cyg and
to_master_cyg, to store handles of a pipe through which OPOST-processed
output passes. Add pty_master_fwd_thread and function
pty_master_fwd_thread() for a thread which applies OPOST-processing
and forwards data from io_handle to to_master_cyg. Add function
get_io_handle_cyg() regarding variable io_handle_cyg. Now, the pipe
between io_handle and to_master are used only by native windows program
for applying OPOST-processing in the master-side. For a cygwin process,
the pipe between io_handle_cyg and to_master_cyg is used for passing
through the data which is applied OPOST-processing in the slave-side.
* fhandler_tty.cc (struct pipe_reply): Add member to_master_cyg.
(fhandler_pty_master::process_slave_output): Read slave output from
io_handle_cyg rather than io_handle.
(fhandler_pty_slave::fhandler_pty_salve): Initialize output_handle_cyg.
(fhandler_pty_slave::open): Set output_handle_cyg by duplicating handle
to_master_cyg on PTY master.
(fhandler_pty_slave::close): Close handle output_handle_cyg.
(fhandler_pty_slave::write): Write data to output_handle_cyg rather
than output_handle.
(fhandler_pty_slave::fch_close_handles): Close handle output_handle_cyg.
(fhandler_pty_master::fhandler_pty_master): Initialize io_handle_cyg,
to_master_cyg and master_fwd_thread.
(fhandler_pty_master::cleanup): Clean up to_master_cyg as well.
(fhandler_pty_master::close): Print to_master_cyg as well in debug
message. Terminate master forwarding thread. Close handles
to_master_cyg and io_handle_cyg.
(fhandler_pty_master::ioctl): Use io_handle_cyg rather than to_master.
(fhandler_pty_master::pty_master_thread): Add code for duplicating
handle to_master_cyg.
(fhandler_pty_master::pty_master_fwd_thread): New function for a thread
to forward OPOST-processed data from io_handle to to_master_cyg. This
thread applies OPOST-processing to the output of native windows program.
(::pty_master_fwd_thread): Ditto.
(fhandler_pty_master::setup): Create a new pipe to pass thruegh OPOST-
processed output. Create new thread to forward data from io_handle to
to_master_cyg. Set handle to_master_cyg to tty. Print io_handle_cyg as
well in debug message. Close handles io_handle_cyg and to_master_cyg in
case of error.
(fhandler_pty_master::fixup_after_fork): Set handle to_master_cyg to
tty. Copy handle to_master_cyg from arch->to_master_cyg.
(fhandler_pty_master::fixup_after_exec): Clean up to_master_cyg.
* select.cc: Check handle returned by get_io_handle_cyg() rather than
get_handle().
* tty.h (class tty): Add variable _to_master_cyg to store a handle to
which OPOST-processed data is written. Add two functions,
to_master_cyg() and set_to_master_cyg(), regarding _to_master_cyg.
Fix basename prototype collision string.h vs libgen.h
* libc/include/libgen.h (basename): Drop defining _BASENAME_DEFINED.
Always define macro basename. Add comment to explain why.
* libc/include/string.h (basename): Check for basename instead of
_BASENAME_DEFINED. Drop __GNUC__ branch, always use basename macro.
Change comment to explain why. Add nonnull function attribute.
git://sourceware.org / newlib-cygwin.git / log