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2014-01-29Merge branch 'egil/maps/OTP-11616'Björn-Egil Dahlberg
* egil/maps/OTP-11616: (112 commits) compiler: Add core compile test for maps compiler: Fix core parse for Maps compiler: Fixup #map_pair{} spec erts: Strengthen map_SUITE tests erts: Update maps_fold test to respect maps:fold/3 stdlib: Make maps:fold/3 order-independent erts: Fixup enif_make_map_put on windows erts: Update preloaded erts_internal.beam hipe: Fixup update cerl pretty printer erts: Add map construction to driver API dialyzer: Add maps tests dialyzer: Remove dead code dialyzer: Reflect map_pair core changes in dialyzer hipe: Update cerl pretty printer compiler: Update inliner tests compiler: Squash #c_map_pair_*{} to #c_map_pair{} compiler: Squash #k_map_pair_*{} to #k_map_pair{} preloaded: Fixup export cmp_term in erts_internal erts: Change 'size' argument of enif_get_map_size from int* to size_t* erts: Fix compile error for halfword emulator ...
2014-01-28Merge branch 'motiejus/tile_mde3/OTP-11635'Lukas Larsson
* motiejus/tile_mde3/OTP-11635: Undefined MALLOC_USE_HASH macro on TileMDE3 Cross-compilation fix for TileraMDE-3.0.1.125620
2014-01-28erts: Initial Map instructions, type and structureBjörn-Egil Dahlberg
2014-01-09Fix issues with new versioningRickard Green
2013-12-15Cross-compilation fix for TileraMDE-3.0.1.125620Motiejus Jakštys
-OPT:Olimit=0 -WOPT:lpre=off:spre=off:epre=off tile-gcc 4.4.3 does not accept these options: cc1: error: unrecognized command line option "-WOPT:lpre=off:spre=off:epre=off"
2013-10-15Merge branch 'maint'Sverker Eriksson
Conflicts: erts/preloaded/ebin/erlang.beam
2013-09-30erts: Prepare erl_mmap with tree structures for free seg storageSverker Eriksson
2013-08-21erts: Add support for static linked-in driversLukas Larsson
None of the OTP linked-in driver are supported
2013-08-21erts: Add option to include nifs staticallyLukas Larsson
Both crypto and asn1 are supported.
2013-07-11erts: Add cflags, ldflags and config.h into executableLukas Larsson
2013-05-28Fix receive support in erl_eval with a BEAM moduleAnthony Ramine
Using the low-level BEAM instructions, we can loop over each message in the process queue and removes the first message that matches, without receiving them all to later send them back to itself. The function prim_eval:'receive'/2 is equivalent to the following pseudo-code: 'receive'(F, T) -> RESET MESSAGE QUEUE POINTER, LOOP: case PEEK CURRENT MESSAGE WITH TIMEOUT T of {ok,Msg} -> case F(Msg) of nomatch -> DECREMENT TIMEOUT T, ADVANCE MESSAGE QUEUE POINTER, GOTO LOOP; Result -> RESET MESSAGE QUEUE POINTER, Result end; timeout -> RESET MESSAGE QUEUE POINTER, timeout end. To not break Dialyzer and other tools, we use a stub Erlang module which abstract code is forcefully inserted into prim_inet.erl afterwards compilation.
2013-05-24Merge branch 'nox/fix-silent-rules/OTP-11111' into maintFredrik Gustafsson
* nox/fix-silent-rules/OTP-11111: Fix some Makefile rules that didn't support silent rules
2013-05-16Merge branch 'rickard/frmptr' into maintRickard Green
* rickard/frmptr: Add 'frmptr' emulator type Conflicts: erts/preloaded/ebin/erlang.beam
2013-04-27Fix some Makefile rules that didn't support silent rulesAnthony Ramine
2013-04-21Add 'frmptr' emulator typeRickard Green
2013-03-18Add dependency to dtrace header for parallell makePatrik Nyblom
2013-02-22Update copyright yearsBjörn-Egil Dahlberg
2013-02-15Remove could not find warningLukas Larsson
2013-02-13Include git sha in prompt if availableLukas Larsson
The sha will only be included if there is no tag starting with OTP_R* associated with the sha. This is because we do not want the sha to show on offical releases.
2013-01-15Implement ./otp_build configure --enable-silent-rulesAnthony Ramine
With silent rules, the output of make is less verbose and compilation warnings are easier to spot. Silent rules are disabled by default and can be disabled or enabled at will by make V=0 and make V=1.
2012-12-14Merge branch 'sverk/egil/r16/new-alloc-header-scheme/OTP-10273'Björn-Egil Dahlberg
OTP-10415 * sverk/egil/r16/new-alloc-header-scheme/OTP-10273: (42 commits) erts: Make ll main mbc fit into 2pow size erts: Clear entire mseg cache upon request erts: Reduce max heap sizes tests: Refactor away ?line macro in beam_SUITE tests: Fix heap_sizes check tests: Refactor away ?line macro in process_SUITE tests: Use new correct min_bin_vheap_size in test erts: Set super alignment (256kb) and limits for sbct (8Mb) and lmbcs (128Mb) erts: Do not cache segments that are misaligned erts: Add mseg cache for large sbc segments erts: Reintroduce mseg options amcbf and rmcbf erts: Optimize erl_alloc_util.c by substitute MBC_BLK_SZ erts: Fix bug when allocating size near sbc_threshold erts: Make gc sizes fit into MB Carrier blocks erts: Force sbmbc to be disabled in a crude way erts: Fix new header scheme for win64 erts: Fix mseg cache. Malplaced NULL pointer erts: Remove unused mseg options amcbf and rmcbf erts: Use aligned bits as constant in mseg_alloc erts: Don't let zero be considered a power of two ... Conflicts: erts/emulator/test/process_SUITE.erl
2012-12-07Merge branch 'rickard/port-optimizations/OTP-10336' into ↵Rickard Green
rickard/r16/port-optimizations/OTP-10336 * rickard/port-optimizations/OTP-10336: Change annotate level for emacs-22 in cerl Update etp-commands Add documentation on communication in Erlang Add support for busy port message queue Add driver callback epilogue Implement true asynchronous signaling between processes and ports Add erl_drv_[send|output]_term Move busy port flag Use rwlock for driver list Optimize management of port tasks Improve configuration of process and port tables Remove R9 compatibility features Use ptab functionality also for ports Prepare for use of ptab functionality also for ports Atomic port state Generalize process table implementation Implement functionality for delaying thread progress from unmanaged threads Conflicts: erts/doc/src/erl_driver.xml erts/doc/src/erlang.xml erts/emulator/beam/beam_bif_load.c erts/emulator/beam/beam_bp.c erts/emulator/beam/beam_emu.c erts/emulator/beam/bif.c erts/emulator/beam/copy.c erts/emulator/beam/erl_alloc.c erts/emulator/beam/erl_alloc.types erts/emulator/beam/erl_bif_info.c erts/emulator/beam/erl_bif_port.c erts/emulator/beam/erl_bif_trace.c erts/emulator/beam/erl_init.c erts/emulator/beam/erl_message.c erts/emulator/beam/erl_port_task.c erts/emulator/beam/erl_process.c erts/emulator/beam/erl_process.h erts/emulator/beam/erl_process_lock.c erts/emulator/beam/erl_trace.c erts/emulator/beam/export.h erts/emulator/beam/global.h erts/emulator/beam/io.c erts/emulator/sys/unix/sys.c erts/emulator/sys/vxworks/sys.c erts/emulator/test/port_SUITE.erl erts/etc/unix/cerl.src erts/preloaded/ebin/erlang.beam erts/preloaded/ebin/prim_inet.beam erts/preloaded/src/prim_inet.erl lib/hipe/cerl/erl_bif_types.erl lib/kernel/doc/src/inet.xml lib/kernel/src/inet.erl
2012-12-07Implement true asynchronous signaling between processes and portsRickard Green
2012-12-03Generalize process table implementationRickard Green
2012-10-31erts: Remove faked MSEG_ALLOCBjörn-Egil Dahlberg
* Not used except in valgrind but there mseg is disabled completely via Meamin.
2012-07-19erts: Remove VxWorks from beam makefileBjörn-Egil Dahlberg
2012-07-05Merge branch 'maint'Sverker Eriksson
2012-06-25Workaround gcc bug affecting ARM debug buildSverker Eriksson
2012-06-08Merge branch 'maint'Lukas Larsson
* maint: Update to work with space in include path Update to work with whitespace in exec path
2012-06-08Merge branch 'lukas/otp/install_with_whitespace/OTP-10107' into maintLukas Larsson
* lukas/otp/install_with_whitespace/OTP-10107: Update to work with space in include path Update to work with whitespace in exec path
2012-06-05Update to work with whitespace in exec pathLukas Larsson
OTP-10106 OTP-10107
2012-06-04Merge branch 'maint'Lukas Larsson
* maint: Remove stale code for hybrid heap and incremental GC Remove the hipe_bifs:show_message_area/0 BIF Remove support for erlang:system_info(global_heaps_size) Remove the erlang:garbage_collect_message_area/0 BIF Remove workarounds for hybrid and shared heaps in test suites Conflicts: erts/doc/src/erlang.xml erts/emulator/beam/erl_message.c erts/emulator/beam/erl_process.c erts/emulator/beam/erl_process.h erts/emulator/hipe/hipe_bif2.tab lib/hipe/cerl/erl_bif_types.erl
2012-05-10Remove stale code for hybrid heap and incremental GCBjörn Gustavsson
The hybrid heap emulator was last working in the non-SMP R11B run-time system. When the constant pools were introduced in R12B, the hybrid heap emulator was not updated to handle them. At this point, the harm from reduced readability of the code is greater than any potential usefulness of keeping the code.
2012-03-22Merge branch 'maint'Patrik Nyblom
Conflicts: erts/emulator/beam/beam_emu.c erts/emulator/beam/bif.tab erts/preloaded/ebin/prim_file.beam lib/hipe/cerl/erl_bif_types.erl
2012-03-22If VM probes are not enabled, short-circuit calls to probe BIFsBjörn Gustavsson
2012-03-22Update dtrace for changes in R15Björn-Egil Dahlberg
2012-03-22Add DTrace support for OS X, Solaris, and Linux (via SystemTap), 1/4Scott Lystig Fritchie
Since it's been quite a while since I've written C code, *and* I haven't done any significant hacking on the VM itself in years, it's quite likely that I haven't done things in 100% proper style. Or my co-collaborators Dustin Sallings (CouchBase) or Michal Ptaszek (Erlang Solutions). My intent for this patch is to start discussion and review of DTrace support for consideration for the R15 release. For additional background on the motivation for this work, please see the slides for the presentation at the Erlang User Conference 2011 in Stockholm: https://www.erlang-factory.com/upload/presentations/462/euc2011-draft2.pdf Changes relative to dtrace-review2 branch: * Fix errors in OTP test suite 'kernel' file_SUITE * Fix errors in OTP test suite 'kernel' prim_file_SUITE * Fix bad pointer bug in efile_drv.c flush_write() * Move the DTrace material from the top of `README.md` into a new file, `README.dtrace.md` Changes since last push to GitHub (relative to commit 5828a4fb28, which was the former `dtrace-review1` branch): * Rebased onto 14 Nov 2011's "master" branch * Recent changes to the async task queuing mechanism means that the async worker queue length is not available. A bogus value of -1 is hard-coded until there's a good way to peek into the new queue structure and find the queue length. * Small fixes based on review comments by Mikael Pettersson, Andrew Thompson, and Andreas Schultz. Add autoconf support: use "./configure --enable-dtrace" on all supported platforms: * OS X Snow Leopard or later * Solaris 10 or OpenSolaris * Linux, via SystemTap's DTrace compatibility packages * FreeBSD 9.0RC1. FreeBSD 8 and earlier do not have support for USDT, DTrace's User-land Statically Defined Tracing. See the file `erts/emulator/beam/erlang_dtrace.d` for the definition of all DTrace probes in the virtual machine so far. Example D scripts can be found in `lib/dtrace/examples`. Note that if you see the error message `{name of probe} does not match any probes`, then there is no Erlang VM process + DTrace probes running. To fix, start a DTrace-enabled VM or remove `-q` from the `dtrace` command line. The `lib/dtrace` directory contains a small code-only OTP application that contains code that allows Erlang code to trigger a DTrace probe. Dynamic creation & deletion of DTrace probes is not currently supported, so the `dtrace:p()` function is hacked to allow a variable number of arguments (up to four integers and up to four strings) to be used. See the comments at the top of `lib/dtrace/src/dtrace.c` for more detail. One feature that may be controversial is the notion I've introduced of a special process dictionary key that can be used by Erlang code to tag I/O operations for an application-specific purpose. Right now, that tag's name is `dtrace_utag`. The dictionary keys used by `sys` and other modules start with a dollar sign. Perhaps there is some convention (but not a dollar sign?) that this tag should use? The purpose of the process dictionary key is to allow the tag to be included in trace messages, e.g. for file I/O, without changing the API of the `file.erl` module's functions. For example, here's a use of the tag when calling the `file:rename/2` function: (bar@sbb2)1> put(dtrace_utag, "GGOOOAAALL!!!!!"). undefined (bar@sbb2)2> dtrace:init(). ok %% Now start both the `user-probe.d` and `efile_drv.d` D scripts %% found in the `lib/dtrace/examples` directory. (bar@sbb2)3> dtrace:p(7, 8, 9, "one", "four"). true %% The output from the `user-probe.d` script: <0.40.0> GGOOOAAALL!!!!! 7 8 9 0 'one' 'four' '' '' (bar@sbb2)4> file:rename("old-name", "new-name"). {error,enoent} %% The output from the `efile_drv.d` script: async I/O pool port #Port<0.59> queue len 1 async I/O pool port #Port<0.59> queue len 0 efile_drv enter tag={1,110} user tag GGOOOAAALL!!!!! | RENAME (12) | args: old-name new-name , 0 0 (port #Port<0.59>) async I/O worker tag={1,110} | RENAME (12) | efile_drv-int_entry async I/O worker tag={1,110} | RENAME (12) | efile_drv-int_return efile_drv return tag={1,110} user tag GGOOOAAALL!!!!! | RENAME (12) | errno 2 I'm not exactly happy with this choice of tagging, namely using `put(dtrace_utag, Tag::list())`. But this is an experiment, so we'll see how it goes. I can't imagine changing the API for all file.erl functions in order pass the tag explicitly. Some modules have some extensive (ab)use of the C preprocessor to reduce the amount of #ifdefs that clutter the code. In several places, I have not #ifdef'ed automatic variables because of clutter. For the same reason, there are a handful of cases where I added DTrace-related members to a struct definition without an #ifdef. I feel that the result is easier to read than earlier drafts where I did use many more `https://github.com/slfritchie/otp/tree/dtrace-experiment+michal2` if you're curious.) I expect there may be some debate about whether the bloat of the affected structs is worthwhile. I erred on adding stuff to structs, especially in the efile_drv.c driver, not having a full grasp on what was thread-safe and what was not ... so I erred on the side of caution. The efile_drv.c has a work-around for a crazy GCC optimization bug. Thank goodness for Google, I dunno how I would've found a work-around for this silly thing. Many thanks to Trond Norbye for writing clearly about the problem in a membase Git repo commit message. /* * A note on probe naming: if "__" appears in a provider probe * definition, then two things happen during compilation: * * 1. The "__" will turn into a hypen, "-", for the probe name. * 2. The "__" will turn into a single underscore, "_", for the * macro names and function definitions that the compiler and * C developers will see. * * We'll try to use the following naming convention. We're a bit * limited because, as a USDT probe, we can only specify the 4th part * of the probe name, e.g. erlang*:::mumble. The 2nd part of the * probe name is always going to be "beam" or "beam.smp", and the 3rd * part of the probe name will always be the name of the function * that's calling the probe. * * So, all probes will be have names defined in this file using the * convention category__name or category__sub_category__name. This * will translate to probe names of category-name or * category-sub_category-name. * * Each of "category", "sub_category", and "name" may have underscores * but may not have hyphens. */ Add tentative support for sequential tracing sending, queueing, and receiving a message. I don't believe I've fully covered all the major places where it would be useful to have the sequential trace token info in a probe -- guidance from the OTP team would be helpful, if there's time to do that kind of review. Add global variable `erts_this_node_sysname`.
2012-03-14Merge branch 'maint'Raimo Niskanen
2012-03-14erts: Do not rebuild all emulator when preloaded changesRaimo Niskanen
2012-02-21erts: Refactor code_ixSverker Eriksson
Move implementation from beam_load into new file code_ix.c and module.c and make some function inline.
2012-02-21BEAM loader: Break out handling of ranges into beam_ranges.cBjörn Gustavsson
Having the entire implementation of range handling (address table) in one source file will help when we'll need to update the ranges without stopping all schedulers in the next commit.
2012-01-23erts: Fix make omissions for void emulatorsRaimo Niskanen
2012-01-23erts: Fix dependencies between targets generate and dependRaimo Niskanen
* Make generate and depend.mk automatically. * Do not make depend.mk for targets clean and generate. * Remove old replaced CREATE_DIRS cruft. * Fiercer remove by target clean. * Move depend.mk to Target/Type/Flavor directory.
2012-01-16erts: Cleanup dependencies for target generateRaimo Niskanen
2012-01-13erts,tools: Fix parallel make for erts/lib_srcRaimo Niskanen
Use a make timestamp file to condense dependencies to some part(s) of erts/lib_src build results.
2012-01-13erts: Fix parallel make for emulator zlibRaimo Niskanen
Convert the recursive make for zlib into a make include file.
2011-12-02Build Win64 Erlang emulator using MSYSunknown
Still does not run, just compiles.
2011-11-29erts: Remove old ELIB cruft from emulator MakefileRaimo Niskanen
2011-11-28Correct -D and -I flags for emulator make target 'depend'Raimo Niskanen
2011-11-13Merge branch 'rickard/generic-thr-queue/OTP-9632'Rickard Green
* rickard/generic-thr-queue/OTP-9632: Use generic lock-free queue for async threads Use generic lock-free queue for misc aux work Implement generic lock-free queue