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This is the first step in the implementation of the half-word emulator,
a 64-bit emulator where all pointers to heap data will be stored
in 32-bit words. Code specific for this emulator variant is
conditionally compiled when the HALFWORD_HEAP define has
a non-zero value.
First force all pointers to heap data to fall into a single 32-bit range,
but still store them in 64-bit words.
Temporary term data stored on C stack is moved into scheduler specific
storage (allocated as heaps) and macros are added to make this
happen only in emulators where this is needed. For a vanilla VM the
temporary terms are still stored on the C stack.
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This problems occurs in some recent versions of Emacs.
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Driver threads, such as async threads, using <seealso
marker="erl_driver#ErlDrvPDL">port data locks</seealso> peeked at the port
status field without proper locking when looking up the driver queue.
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A call to the BIF unregister(RegName) when a port had the name RegName
registered in the runtime system without SMP support caused a runtime
system crash. (Thanks to Per Hedeland for the bugfix and test case.)
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Driver API for multi-threading made available for NIFs.
Support for mempory managed (garbage collected) resource objects.
A way to pass "pointers" to native data structures between C and
Erlang in a safe way.
Support for references, floats and term comparison.
Various new functions, like enif_inspect_iolist_as_binary,
enif_make_sub_binary, enif_get_string, enif_get_atom,
enif_make_tuple_from_array, enif_make_list_from_array,
enif_make_existing_atom.
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Driver API for multi-threading made available for NIFs.
Support for mempory managed (garbage collected) resource objects.
A way to pass "pointers" to native data structures between C and
Erlang in a safe way.
Support for references, floats and term comparison.
Various new functions, like enif_inspect_iolist_as_binary,
enif_make_sub_binary, enif_get_string, enif_get_atom,
enif_make_tuple_from_array, enif_make_list_from_array,
enif_make_existing_atom.
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Driver API for multi-threading made available for NIFs.
Support for mempory managed (garbage collected) resource objects.
A way to pass "pointers" to native data structures between C and
Erlang in a safe way.
Support for references, floats and term comparison.
Various new functions, like enif_inspect_iolist_as_binary,
enif_make_sub_binary, enif_get_string, enif_get_atom,
enif_make_tuple_from_array, enif_make_list_from_array,
enif_make_existing_atom.
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Driver API for multi-threading made available for NIFs.
Support for mempory managed (garbage collected) resource objects.
A way to pass "pointers" to native data structures between C and
Erlang in a safe way.
Various new functions, like enif_inspect_iolist_as_binary,
enif_make_sub_binary, enif_get_string, enif_get_atom,
enif_make_tuple_from_array, enif_make_list_from_array,
enif_make_existing_atom.
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* bd/doc-fixes:
Fix minor documentation errors
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* ms/pcre-security:
Fix CVE-2008-2371 (outer level option with alternatives caused crash).
OTP-8438 The re module: A regular expression with an option change at the
start of a pattern that had top-level alternatives could cause
overwriting and/or a crash. (Thanks to Michael Santos.)
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improvements.
Most notable:
Lots of cross compilation improvements. The old cross compilation
support was more or less non-existing as well as broken. Please,
note that the cross compilation support should still be
considered as experimental. Also note that old cross compilation
configurations cannot be used without modifications. For more
information on cross compiling Erlang/OTP see the
$ERL_TOP/xcomp/README file.
Support for staged install using <url
href="http://www.gnu.org/prep/standards/html_node/DESTDIR.html">D
ESTDIR</url>. The old broken INSTALL_PREFIX has also been fixed.
For more information see the $ERL_TOP/README file.
Documentation of the release target of the top Makefile. For more
information see the $ERL_TOP/README file.
make install now by default creates relative symbolic links
instead of absolute ones. For more information see the
$ERL_TOP/README file.
$ERL_TOP/configure --help=recursive now works and prints help for
all applications with configure scripts.
Doing make install, or make release directly after make all no
longer triggers miscellaneous rebuilds.
Existing bootstrap system is now used when doing make install, or
make release without a preceding make all.
The crypto and ssl applications use the same runtime library path
when dynamically linking against libssl.so and libcrypto.so. The
runtime library search path has also been extended.
The configure scripts of erl_interface and odbc now search for
thread libraries and thread library quirks the same way as erts
do.
The configure script of the odbc application now also looks for
odbc libraries in lib64 and lib/64 directories when building on a
64-bit system.
The config.h.in file in the erl_interface application is now
automatically generated in instead of statically updated which
reduces the risk of configure tests without any effect.
(Thanks to Henrik Riomar and Winston Smith for testing)
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* ks/erts:
hipe_bif0.c: Remove $Id$
erts/preloaded: Add types and specs
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The patch is from:
http://vcs.pcre.org/viewvc?revision=360&view=revision
Test case:
re:compile(<<"(?i)[\xc3\xa9\xc3\xbd]|[\xc3\xa9\xc3\xbdA]">>, [unicode]).
An option change at the start of a pattern that had top-level
alternatives could cause overwriting and/or a crash.
This potential security problem was recorded as CVE-2008-2371.
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to not be allowed to garbage collect.
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* egil/lcnt:
Add test suite for lcnt in tools
Add lcnt:rt_opt/1 bindings to erts_debug
Add runtime option to enable/disable lcnt stats
Add auto width on string output
Add lcnt documentation
Add lock profiling tool
OTP-8424 Add lock profiling tool.
The Lock profiling tool, lcnt, can make use of the internal lock
statistics when the runtime system is built with this feature
enabled.
This provides a mechanism to examine potential lock bottlenecks
within the runtime itself.
- Add erts_debug:lock_counters({copy_save, bool()}). This option
enables or disables statistics saving for destroyed processes and
ets-tables. Enabling this might consume a lot of memory.
- Add id-numbering for lock classes which is otherwise undefined.
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of the script
This patch will ensure the Install.src script to exit with the exit code 0
when the execution finished at the end of the script.
Originally from FreeBSD port patch.
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In UNIX test command, "==" is incorrect for string comparison;
"=" is the right operator. Originally pointed out by
Giacomo Olgeni in the following article:
http://www.erlang.org/pipermail/erlang-patches/2008-November/000334.html
and available as a FreeBSD port patch.
Accordingly fixed in erts/configure.in
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* pan/enable_m32_build:
Teach configure --enable-m32-build for forcing a 32-bit build
OTP-8415 configure learned the option --enable-m32-build to force the
building of a 32-bit run-time on systems where the default C
compiler generates 64-bit executables by default.
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* rani/inet_gethostbyname_fixes:
inet_res_SUITE: testcase fixes for legacy DNS resolver (Solaris 8)
inet_res: /etc/resolv.conf: use domain as default search list
inet: delayed/avoided read of /etc/resolv.conf and /etc/hosts
inet_gethost_native: workaround for empty result hostname on MacOS X
inet_res_SUITE: testcase fix for empty domain name
inet:gethostbyname improved to parse IP strings and look up own hostname
OTP-8426 The resolver routines failed to look up the own node name as
hostname, if the OS native resolver was erroneously configured,
bug reported by Yogish Baliga, now fixed.
The resolver routines now tries to parse the hostname as an IP
string as most OS resolvers do, unless the native resolver is
used.
The DNS resolver inet_res and file resolver inet_hosts now do not
read OS configuration files until they are needed. Since the
native resolver is default, in most cases they are never needed.
The DNS resolver's automatic updating of OS configuration file
data (/etc/resolv.conf) now uses the 'domain' keyword as default
search domain if there is no 'search' keyword.
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Fix three minor typos and reorder one of a pair of lists of functions so that
the ordering is consistent.
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Now inet:gethostbyname tries to parse the hostname as an IP string
first if the 'native' lookup method is not used. One can also
make the IP string parsing explicit using the new 'string'
lookup method, or avoid it using the new pseudo lookup
method 'nostring'.
In R13B04 a bug was introduced when the gethostbyname code
was rewritten, so if the native resolver was used and
misconfigured to not be able to look up the own hostname,
inet:gethostbyname also failed. This is now fixed.
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Add erts_debug:lock_counters({copy_save, bool()}). This option
enables or disables statistics saving for destroyed processes and
ets-tables. Enabling this might consume a lot of memory.
Add id-numbering for lock classes which is otherwise undefined.
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* gc/hipe_darwin_amd64:
Fix hipe memory allocation problems on darwin/amd64
Porting x86 darwin fixes to amd64 darwin hipe asm/m4 code
Automatically enable hipe for darwin/amd64 builds
Allow configure to enable_hipe for darwin/amd64 builds
OTP-8416 HiPE now works in the 64-bit emulator on Mac OS X. (Thanks to
Geoff Cant.)
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tile-cc 2.0.1.78377 when compiling the runtime system.
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improvements.
Most notable:
Lots of cross compilation improvements. The old cross compilation
support was more or less non-existing as well as broken. Please,
note that the cross compilation support should still be
considered as experimental. Also note that old cross compilation
configurations cannot be used without modifications. For more
information on cross compiling Erlang/OTP see the
$ERL_TOP/xcomp/README file.
Support for staged install using <url
href="http://www.gnu.org/prep/standards/html_node/DESTDIR.html">D
ESTDIR</url>. The old broken INSTALL_PREFIX has also been fixed.
For more information see the $ERL_TOP/README file.
Documentation of the release target of the top Makefile. For more
information see the $ERL_TOP/README file.
make install now by default creates relative symbolic links
instead of absolute ones. For more information see the
$ERL_TOP/README file.
$ERL_TOP/configure --help=recursive now works and prints help for
all applications with configure scripts.
Doing make install, or make release directly after make all no
longer triggers miscellaneous rebuilds.
Existing bootstrap system is now used when doing make install, or
make release without a preceding make all.
The crypto and ssl applications use the same runtime library path
when dynamically linking against libssl.so and libcrypto.so. The
runtime library search path has also been extended.
The configure scripts of erl_interface and odbc now search for
thread libraries and thread library quirks the same way as erts
do.
The configure script of the odbc application now also looks for
odbc libraries in lib64 and lib/64 directories when building on a
64-bit system.
The config.h.in file in the erl_interface application is now
automatically generated in instead of statically updated which
reduces the risk of configure tests without any effect.
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HiPE on amd64 needs to be able to allocate memory in the 0x20000000+
range so that compiled code will be addressable with 32bit pointers
(when sign extended). By default, when building 64bit executables on
OS X, PAGEZERO occupies the first 4GB of virtual memory. The PAGEZERO
segment cannot be mmap(ed) or vm_allocate(d) into.
To avoid this problem we use the -pagezero_size linker flag to reduce
the size of PAGEZERO and free up the 0x20000000+ space.
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Compared to GNU as, Mac OS X's assembler uses different directives for
text and global sections, and omits type and size directives
entirely. We also need to mangle symbol names in order to allow
linking with C object files.
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improvements.
Most notable:
Lots of cross compilation improvements. The old cross compilation
support was more or less non-existing as well as broken. Please,
note that the cross compilation support should still be
considered as experimental. Also note that old cross compilation
configurations cannot be used without modifications. For more
information on cross compiling Erlang/OTP see the
$ERL_TOP/xcomp/README file.
Support for staged install using <url
href="http://www.gnu.org/prep/standards/html_node/DESTDIR.html">D
ESTDIR</url>. The old broken INSTALL_PREFIX has also been fixed.
For more information see the $ERL_TOP/README file.
Documentation of the release target of the top Makefile. For more
information see the $ERL_TOP/README file.
make install now by default creates relative symbolic links
instead of absolute ones. For more information see the
$ERL_TOP/README file.
$ERL_TOP/configure --help=recursive now works and prints help for
all applications with configure scripts.
Doing make install, or make release directly after make all no
longer triggers miscellaneous rebuilds.
Existing bootstrap system is now used when doing make install, or
make release without a preceding make all.
The crypto and ssl applications use the same runtime library path
when dynamically linking against libssl.so and libcrypto.so. The
runtime library search path has also been extended.
The configure scripts of erl_interface and odbc now search for
thread libraries and thread library quirks the same way as erts
do.
The configure script of the odbc application now also looks for
odbc libraries in lib64 and lib/64 directories when building on a
64-bit system.
The config.h.in file in the erl_interface application is now
automatically generated in instead of statically updated which
reduces the risk of configure tests without any effect.
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* jb/atom-table-size:
Add the +t emulator option to change the maximum number of atoms
OTP-8405 There is a new +t emulator option for changing the maximum number
of atoms. (Thanks to Julien Barbot.)
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erlang:system_flag(multi_scheduling, block | unblock) could
deadlock the runtime system.
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It is now possible to increase or decrease the maximum number of atoms
the VM can handle. The default value is 1048576 (1024*1024).
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