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to be declared once in beam_load.h
and get rid of #ifdef kludge.
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* sverker/nif-entry-abi-compat:
erts: Fix code_SUITE:api_2_0,upgrade crash on win64
erts: Add tests of nif API 2.0
erts: Change nif_SUITE to use binaries for raw pointers
erts: Use test groups to repeat for different APIs
erts: Add testing of old nif API
erts: Secure abi backward compat for tracer nifs
erts: Mend broken checks in nif_SUITE
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and simplify the code by handling the compatibility stuff
at loading by creating modern struct copies in create_lib().
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* maint:
Update etp-commands for dirty schedulers
Fix scheduling of system tasks on processes executing dirty
Fix call time tracing with dirty schedulers
Fix send of exit signal to process executing dirty
Fix dirty scheduler process priority
Fix alloc-util hard-debug
Silence debug warning when no beam jump table is used with dirty schedulers
Fix check_process_code() when NifExport is in use
Fix GC when NifExport is in use
Fix saving of original arguments when rescheduling via NifExport
Conflicts:
erts/emulator/beam/beam_bif_load.c
erts/emulator/beam/erl_nif.c
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* rickard/nif-scheduling-fixes:
Fix check_process_code() when NifExport is in use - OTP-14048
Fix GC when NifExport is in use - OTP-14049
Fix saving of original arguments when rescheduling via NifExport - OTP-14050
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* sverker/erts/crash-dump-limit:
erts: Add env variable ERL_CRASH_DUMP_BYTES
erts: Add ErtsStrToSint64
erts: Refactor crash dumping with cbprintf
erts: Add cbprintf for Callback Printing
erts: Remove unused erl_crash_dump()
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Instead of passing around a file descriptor
use a function pointer to facilitate more advanced
backend write logic such as size limitation or compression.
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* lukas/erts/beam_func_info_struct/OTP-13821:
erts: Fix some dtrace related compile issues
erts: Refactor rename Export.code[] to Export.beam[]
erts: Improve printouts for some etp commands
erts: Fix erts_debug:df with new func_info
erts: Refactor find_function_from_pc to return MFA
erts: Refactor out func_info into struct
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to avoid scary merge errors.
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This commit adds two new structs to be used to represent
erlang code in erts.
ErtsCodeInfo is used to describe the i_func_info header
that is part of all Export entries and the prelude of
each function. This replaces all the BeamInstr * that
were previously used to point to these locations.
After this change the code should never use BeamInstr *
with offsets to figure out different parts of the
func_info header.
ErtsCodeMFA is a struct that is used to descripe a
MFA in code. It is used within ErtsCodeInfo and also
in Process->current.
All function that previously took Eterm * or BeamInstr *
to identify a MFA now use the ErtsCodeMFA or ErtsCodeInfo
where appropriate.
The code has been tested to work when adding a new field to the
ErtsCodeInfo struct, but some updates are needed in ops.tab to
make it work.
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in Text part of error tuple, like
{error, {load, "Library load-call unsuccessful (606)}}
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and instead let erlang:load_nif/2 return {error, {reload, _}}
before even trying to load the library
if a NIF library has already been successfully loaded
for the calling module instance.
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* maint:
erts: Add nif_SUITE:t_on_load
erts: Improve nif_SUITE:upgrade test
Don't leak old code when loading a modules with an on_load function
Conflicts:
erts/preloaded/ebin/erts_code_purger.beam
erts/preloaded/ebin/erts_internal.beam
erts/preloaded/src/erts_code_purger.erl
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Normally, calling code:delete/1 before re-loading the code for a
module is unnecessary but causes no problem.
But there will be be problems if the new code has an on_load function.
Code with an on_load function will always be loaded as old code
to allowed it to be easily purged if the on_load function would fail.
If the on_load function succeeds, the old and current code will be
swapped.
So in the scenario where code:delete/1 has been called explicitly,
there is old code but no current code. Loading code with an
on_load function will cause the reference to the old code to be
overwritten. That will at best cause a memory leak, and at worst
an emulator crash (especially if NIFs are involved).
To avoid that situation, we will put the code with the on_load
function in a special, third slot in Module.
ERL-240
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* maint:
Fix restore of 'current' field when rescheduled NIF completes
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* maint:
Ensure correct mbuf_sz value in process structure
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* maint:
Fix tracing of processes executing dirty
Perform check_process_code while process is executing dirty
Fix purge of code
Reclaim literal area after purge has completed
Separate literal area from code
Conflicts:
erts/emulator/beam/global.h
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* rickard/ds-trace/OTP-13822:
Fix tracing of processes executing dirty
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This is needed in order for the heap to never contain
any pointers to invalid memory. This is good for performance
and debugging reasons.
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It has to be possible to send trace messages to a port
from non-schedulers threads (specifically from the
sys_msg_dispatcher).
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that would go undetected and cause havoc if module is purged.
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Dirty schedulers only execute NIFs, so having them execute the full
process_main function isn't necessary. Add dirty_process_main for
dirty schedulers to execute instead.
Add erts_pre_dirty_nif(), called when preparing to execute a dirty
nif.
Add more dirty NIF tests to verify that activities requiring the
process main lock can succeed when the process is executing a dirty
NIF.
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* mikpe/otp-19-erts-integer-truncation-bugs/PR-1045/OTP-13606:
erl_unicode.c: fix integer truncation problems
do not limit heap fragments to 4 giga-words
erts_new_mso_binary(): do not truncate len
Conflicts:
erts/emulator/beam/erl_nif.c
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* egil/erts/nif-format_term/OTP-13580:
runtime_tools: Change erts_snprintf to enif_snprintf
erts: Document enif_snprintf
erts: Add tests for enif_snprintf
erts: Add enif_snprintf
Conflicts:
erts/emulator/beam/erl_nif_api_funcs.h
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- Termination of a process...
- Modify trace flags of process...
- Process info on process...
- Register/unregister of name on process...
- Set group leader on process...
... while it is executing a dirty NIF.
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* Add the capability to format erlang terms to a char buffer in nifs.
* Bump NIF version to 2.11
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- struct erl_heap_fragment: use Uint for sizes
- erl_nif.c: use size_t for sizes
- erts_heap_frag_shrink(): remove now redundant cast
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All 'EXIT' and monitor messages are sent from 'system'
Timeouts are "sent" from 'clock_service'
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Load the module as old code; swap old and new code if the
-on_load function succeeds. That way, a failed update attempt
for a module that has an -on_load function will preserve the
previous version of the code.
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* egil/erts/tracing-support-lttng/OTP-13532: (28 commits)
runtime_tools: User's guide to LTTng and dyntrace
runtime_tools: Fix Dtrace build
erts: Fix gc messages in tracer_SUITE
erts: Fix gc messages in sensitive_SUITE
erts: Fix gc messages in trace_port_SUITE
tools: Update fprof tests
tools: Update fprof with new gc traces
runtime_tools: Update dyntrace_lttng_SUITE tests
runtime_tools: Add 'return_to' for call tracing
erts: Fix return_to trace callback
erts: Update erl_tracer documentation
erts: Fix erl_tracer documentation typos
Update preloaded erl_tracer.beam
erts: Update erl_tracer type specs
runtime_tools: Add lttng dyntrace tests
runtime_tools: Extend 'trace' and 'enabled' tracer callbacks
erts: Extend 'enabled' and 'trace' tracer callbacks
runtime_tools: Extend 'enabled' tracer callbacks
erts: Extend 'enabled' tracer callbacks
runtime_tools: Update lttng garbage collection trace
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Any heap fragment created during a nif call to a tracer nif
should be free'd immediately in order for the GC not to treat
it as live data.
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