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from hipe_purge_module.
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that is only called once.
Basically switch hipe_free_loader_state and hipe_loader_state_dtor.
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Did not work with purge and made worse by new purge strategy.
Did yield terrible performance when fun thing is created *before*
fun code is loaded. Like when receiving not yet loaded fun
from other node. The cached 'native_address' in ErlFunThing
will not be updated leading to mode switch and error_handler
being called for every call to the fun from native code.
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by introducing hipe_bifs:commit_patch_load/1
that creates the HipeModule.
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to get a nice SIGILL crash.
For x86 and x86_64 only.
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This is part of commit 1bd508921dd93086b05e7d0038b816b36c421d86.
I did not include the fun-checking as we have a new purge strategy
for funs in OTP 20. That remains to be solved some other way for hipe.
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Just like the BEAM loader state (as returned by
erlang:prepare_loading/2), the HiPE loader state is contained in a magic
binary.
Eventually, we will separate HiPE loading into a prepare and a finalise
phase, like the BEAM loader, where the prepare phase will be implemented
by hipe_unified_loader and the finalise phase be implemented in C by
hipe_load.c and beam_load.c, making prepare side-effect free and
finalise atomic. The finalise phase will be exposed through the
erlang:finish_loading/1 API, just like the BEAM loader, as this will
allow HiPE and BEAM modules to be mixed in the same atomic "commit".
The usage of a loader state makes it easier to keep track of all
resources allocated during loading, and will not only make it easy to
prevent leaks when hipe_unified_loader crashes, but also paves the way
for proper, leak-free, unloading of HiPE modules.
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and hipe_bifs:update_code_size
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A step toward better integration of hipe load and purge
Highlights:
* code_server no longer needs to call hipe_unified_loader:post_beam_load/1
Instead new internal function hipe_redirect_to_module()
is called by loading BIFs to patch native call sites if needed.
* hipe_purge_module() is called by erts_internal:purge_module/2
to purge any native code.
* struct hipe_mfa_info redesigned and only used for exported
functions that are called from or implemented by native code.
A list of native call sites (struct hipe_ref) are kept for each hipe_mfa_info.
* struct hipe_sdesc used by hipe_find_mfa_from_ra()
to build native stack traces.
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with a copy_module() function.
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* lukas/erts/bin_to_term_doc_example/PR-1181:
erts: Add examples to binary_to_term and term_to_binary
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* lukas/erts/fix_errno_name/OTP-13927:
erts: Rename __errno in order to avoid conflict on openbsd
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* maint:
Try to handle not yet available functionality in MacOSX SDK
Check deployment target in configure on MacOSX
Fix posix_memalign configure test
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* rickard/macosx-config-mess/OTP-13904:
Try to handle not yet available functionality in MacOSX SDK
Check deployment target in configure on MacOSX
Fix posix_memalign configure test
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code:add_pathsa/1 reverts the list of directories when adding it at
the beginning of the code path. The command line option '-pa' behaves
in the same way. This is now documented.
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* lucafavatella/erts/fix-typo-fp/PR-1177:
Fix typo in configuration description
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* sverker/remove-nif-reload:
erts: Cuddle nif_SUITE:consume_timeslice
erts: Remove old doc note for erlang:load_nif
erts: Remove deprecated nif 'reload' feature
erts: Fix trace_nif_SUITE to load nif lib only once
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* sverker/include-erl_nif/PR-1171:
Use more correct delimiters for erl_nif.h include
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ERL-258
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* sverker/ets-load-factor:
erts: Unify reduction count for ets:select
stdlib: Cuddle ets_SUITE for valgrind
stdlib: Fix ets_SUITE:smp_select_delete
erts: Tweak ets grow/shrink to keep up at contention
erts: Fix ets_SUITE:memory
erts: Suppress failed ETS memory checks
erts: Reduce ets hash load factor
erts: Enable a smaller first hash segment for ets
erts: Redesign ets with separate segment tables
erts: Remove unnecessary access of 'is_resizing'
erts: Add ErtsSizeofMember macro
erts: Add ErtsContainerStruct_ for array members
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=== OTP-19.1 ===
Changed Applications:
- asn1-4.0.4
- common_test-1.12.3
- compiler-7.0.2
- crypto-3.7.1
- debugger-4.2.1
- dialyzer-3.0.2
- diameter-1.12.1
- edoc-0.8
- erl_docgen-0.6
- erl_interface-3.9.1
- erts-8.1
- eunit-2.3.1
- gs-1.6.2
- hipe-3.15.2
- ic-4.4.2
- inets-6.3.3
- jinterface-1.7.1
- kernel-5.1
- mnesia-4.14.1
- observer-2.2.2
- odbc-2.11.3
- parsetools-2.1.3
- reltool-0.7.2
- runtime_tools-1.10.1
- sasl-3.0.1
- snmp-5.2.4
- ssh-4.3.2
- ssl-8.0.2
- stdlib-3.1
- syntax_tools-2.1
- tools-2.8.6
- wx-1.7.1
- xmerl-1.3.12
Unchanged Applications:
- cosEvent-2.2.1
- cosEventDomain-1.2.1
- cosFileTransfer-1.2.1
- cosNotification-1.2.2
- cosProperty-1.2.1
- cosTime-1.2.2
- cosTransactions-1.3.2
- eldap-1.2.2
- et-1.6
- megaco-3.18.1
- orber-3.8.2
- os_mon-2.4.1
- otp_mibs-1.1.1
- percept-0.9
- public_key-1.2
- typer-0.9.11
Conflicts:
OTP_VERSION
lib/gs/doc/src/notes.xml
lib/gs/vsn.mk
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Anywhere but the beam sources we shouldn't #include "erl_nif.h", because
what "erl_nif.h" does is: (1) fail to find it outside of -I dirs, (2)
then treat it as if it was written like <erl_nif.h>. Using <erl_nif.h>
skips (1).
More information can be found in 6.10.2 of the C standard.
Because the examples use "erl_nif.h", NIF projects in the Erlang
ecosystem copy this verbatim and make the same mistake.
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to be per object as the other select-variants
and not per table slot.
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by simply asking for the size of struct ext_segtab
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due to the grow/shrink hysteresis of the meta tables
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for faster lookup/insert/delete
at the expense of about one word per object.
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* Keep it simple(r)
* To prepare for both dynamic sized segments and segtabs
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in tables without write_concurrency
and remove it totally #ifndef ERTS_SMP
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(in case it matters)
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