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2017-10-23Merge branch 'bjorn/compiler/match-literals'Björn Gustavsson
* bjorn/compiler/match-literals: Optimize instructions for comparing a register with a literal Optimize matching of literals for single-valued types
2017-10-21Optimize instructions for comparing a register with a literalBjörn Gustavsson
We can avoid calling eq() from the is_eq_exact_literal/3 and is_ne_exact_literal/3 instructions if the source operand is an immediate (since a literal is either a boxed or a list, never an immediate).
2017-10-20Merge branch 'maint'Björn Gustavsson
* maint: Bump version of crash dumps to 0.4 Verify that binaries of different sizes are dumped correctly Don't dump literal areas that are not referenced at all Dump literals separately to avoid incomplete heap data Implement dumping of maps in crash dumps Buffer writing of crash dumps Conflicts: erts/emulator/beam/erl_alloc.types
2017-10-20Merge branch 'bjorn/improve-crash-dumps/OTP-14685' into maintBjörn Gustavsson
* bjorn/improve-crash-dumps/OTP-14685: Bump version of crash dumps to 0.4 Verify that binaries of different sizes are dumped correctly Don't dump literal areas that are not referenced at all Dump literals separately to avoid incomplete heap data Implement dumping of maps in crash dumps Buffer writing of crash dumps
2017-10-18Merge branch 'bjorn/erts/cuddle-with-tests'Björn Gustavsson
* bjorn/erts/cuddle-with-tests: Eliminate use of deprecated functions in string Eliminate warnings for ignoring the result of an expression
2017-10-18Bump version of crash dumps to 0.4Björn Gustavsson
2017-10-18Don't dump literal areas that are not referenced at allBjörn Gustavsson
2017-10-18Dump literals separately to avoid incomplete heap dataBjörn Gustavsson
When a literal was used from several processes, the literal would be dumped in only one of the processes. The other processes that referenced the literals would have incomplete heap data.
2017-10-18Implement dumping of maps in crash dumpsBjörn Gustavsson
Maps would be dumped as the atom 'undefined', which is not very informative.
2017-10-18Buffer writing of crash dumpsBjörn Gustavsson
Writing of crash dumps were done using unbuffered IO. This is slow since many small writes are done. Use a FILE* with an allocated buffer to obtain buffered IO. I wrote a small test program that created 50000 binaries of 200 bytes each and then created a crash dump. The crash dumping was an order of magnitude faster with buffered IO than without.
2017-10-18Merge branch 'maint'Lukas Larsson
2017-10-18Merge branch 'lukas/erts/win_user_home_dir/OTP-14691' into maintLukas Larsson
* lukas/erts/win_user_home_dir/OTP-14691: erts: Use PROFILE dir as home on windows
2017-10-17Merge branch 'sverker/on_load-nonblocking/OTP-14680'Sverker Eriksson
* sverker/on_load-nonblocking/OTP-14680: erts: Remove scheduler blocking during finish_after_on_load_2
2017-10-17Merge branch 'maint'Sverker Eriksson
2017-10-17Merge branch 'sverker/dist-send-noreply-opt/OTP-14689' into maintSverker Eriksson
* sverker/dist-send-noreply-opt/OTP-14689: erts: Improve distribution send operations
2017-10-17Merge branch 'dgud/dot_erlang/OTP-14439'Dan Gudmundsson
* dgud/dot_erlang/OTP-14439: fixup! Do not load .erlang from current dir erlc: Do not load .erlang escript: Do not load .erlang dialyzer: Do not load .erlang reltool: Add no_dot_erlang bootfiles Enable usage of no_dot_erlang in bootstrap Do not load .erlang from current dir
2017-10-16Merge branch 'maint'Sverker Eriksson
2017-10-16Merge branch 'sverker/cerl-rr' into maintSverker Eriksson
* sverker/cerl-rr: erts: Add -rr option to cerl start script
2017-10-16Merge pull request #1601 from josevalim/patch-9Björn Gustavsson
Document the guarantees provided by get_stacktrace OTP-14687
2017-10-13Document the guarantees provided by get_stacktraceJosé Valim
2017-10-13erts: Use PROFILE dir as home on windowsLukas Larsson
Instead of using C:\Windows we use the profile path as the home path on windows. The profile path normally resolves to C:\Users\%USERNAME%. This fixes an issue where the default path to the .erlang.cookie was not the same for jinterface as for erl.
2017-10-13Eliminate use of deprecated functions in stringBjörn Gustavsson
2017-10-13Merge pull request #1596 from bjorng/bjorn/enhance-try-catchBjörn Gustavsson
(Slightly) optimize catch and try/catch OTP-14683
2017-10-13Merge pull request #1599 from kostis/exception_SUITEBjörn Gustavsson
Explicitly disable HiPE's range analysis
2017-10-12erts: Add -rr option to cerl start scriptSverker Eriksson
to run beam with "rr record".
2017-10-12Merge branch 'lukas/erts/use_SIGRTMIN_for_sys_suspend/OTP-14682'Lukas Larsson
* lukas/erts/use_SIGRTMIN_for_sys_suspend/OTP-14682: erts: Use SIGRTMIN on linux for sys_suspend
2017-10-12erts: Use SIGRTMIN on linux for sys_suspendLukas Larsson
The Linux real-time signal is better used on Linux for suspending schedulers during shutdown as it doesn't collide with SIGUSR2 usage of other applications.
2017-10-12Merge branch 'lukas/erts/poll-thread/OTP-14346'Lukas Larsson
* lukas/erts/poll-thread/OTP-14346: erts: Make a copy of erl_poll.c to help debuggers
2017-10-12Merge branch 'rickard/null-chars/ERL-370/OTP-14543'Rickard Green
* rickard/null-chars/ERL-370/OTP-14543: Don't allow null chars in various strings Conflicts: erts/emulator/beam/erl_alloc.types erts/preloaded/ebin/erlang.beam
2017-10-12Merge branch 'maint'Rickard Green
* maint: Revert "Merge branch 'rickard/null-char-filenames/ERL-370/OTP-14543' into maint"
2017-10-12Revert "Merge branch 'rickard/null-char-filenames/ERL-370/OTP-14543' into maint"Rickard Green
This reverts commit 0717a2194e863f3a78595184ccc5637697f03353, reversing changes made to 71a40658a0cef8b3e25df3a8e48a72d0563a89bf.
2017-10-12erts: Remove scheduler blocking during finish_after_on_load_2Sverker Eriksson
for normal case. We still block for default trace and hipe.
2017-10-12Merge branch 'maint'Lukas Larsson
Conflicts: erts/emulator/beam/beam_bp.c erts/emulator/beam/erl_process.c
2017-10-12Merge branch 'lukas/erts/tracing/recv_exit_signal_deadlock/OTP-14678' into maintLukas Larsson
* lukas/erts/tracing/recv_exit_signal_deadlock/OTP-14678: erts: Fix lock order when recv tracing trapped exit signal
2017-10-12Merge branch 'lukas/erts/fix_caller_trace_for_apply_bifs/OTP-14677' into maintLukas Larsson
* lukas/erts/fix_caller_trace_for_apply_bifs/OTP-14677: erts: Fix caller trace for apply bifs
2017-10-12erts: Fix lock order when recv tracing trapped exit signalLukas Larsson
2017-10-11Don't allow null chars in various stringsRickard Green
Various places that now reject null chars inside strings - Primitive file operations reject it in filenames. - Primitive environment variable operations reject it in names and values. - os:cmd() reject it in its input. Also '=' characters are rejected by primitive environment variable operations in environment variable names. Documentation has been updated to document null characters in these types of data as invalid. Currently these operations accept null chars at the end of strings, but that will change in the future.
2017-10-11Merge branch 'maint'Rickard Green
* maint: Updated OTP version Update release notes Update version numbers vsn -> 2.1.1 Update appup and code_change for ERIERL-83 Fix missing monitor in diameter_reg Conflicts: OTP_VERSION
2017-10-11Merge branch 'maint-20' into maintRickard Green
* maint-20: Updated OTP version Update release notes Update version numbers vsn -> 2.1.1 Update appup and code_change for ERIERL-83 Fix missing monitor in diameter_reg
2017-10-11Eliminate warnings for ignoring the result of an expressionBjörn Gustavsson
2017-10-10Explicitly disable HiPE's range analysisKostis Sagonas
when/if compiling this file to native code to check its exception behaiour. Related to the discussion in #1586.
2017-10-10Merge branch 'maint'Lars Thorsen
2017-10-10Merge branch 'lars/doc-cleanup/OTP-14475' into maintLars Thorsen
* lars/doc-cleanup/OTP-14475: [edoc] Remove unused module otpsgml_layout.erl Remove unused files from the documentation build
2017-10-09Slightly speed up try/catchBjörn Gustavsson
The try_end and try_case instructions are implemented the same way (try_case is translated to try_end by the loader). We can do better than that. We know that try_case will only be executed when an exception has been caught. Therefore, we know that x(0) is the non-value and that x(1) through x(3) need to be shifted down to x(0) through x(2). There is no need to test x(0) before shifting down. try_end does not need the register shifting code at all.
2017-10-09Update release notesErlang/OTP
2017-10-09Update version numbersErlang/OTP
2017-10-09Merge branch 'sverker/bad-dist-msg-bug/ERIERL-80/OTP-14661' into maint-20Erlang/OTP
* sverker/bad-dist-msg-bug/ERIERL-80/OTP-14661: erts: Fix bug when detecting bad dist message Add distribution_SUITE:bad_dist_ext_size
2017-10-09erts: Make a copy of erl_poll.c to help debuggersLukas Larsson
Especially lldb seems to get very confused when the same source file is used by two different object files.
2017-10-09erts: Fix caller trace for apply bifsLukas Larsson
Bifs that are called through the export entry using i_call_last could have their cp set to return_trace, just like any other call. So we have to unwind the trace stack to get the correct cp. Not doing this creates a lot of issues for fprof.
2017-10-09Merge branch 'bjorn/erts/pack-with-opcode/OTP-14325'Björn Gustavsson
OTP-14327 OTP-14340 * bjorn/erts/pack-with-opcode/OTP-14325: Pack operands for combined instructions into the instruction word beam_makeops: Use named arguments for the code generation functions Optimize packing for "optional use" operands beam_makeops: Print the instruction name for fatal packing errors Introduce a syntax for marking operands as "optional use" beam_makeops: Refactor parsing of specific instructions Optimize instruction prefetch Pack operands into the instruction word Use 32-bits pointers to C code Move LD flags for hipe from Makefile.in to configure.in beam_disasm: Correct printing of y registers ops.tab: Slightly optimize badmatch on a Y register macros.tab: Fix assertion in SET_I_REL()
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