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* bjorn/compiler/remove-timestamps/OTP-13504:
Remove timestamps from BEAM files
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As long as anyone can remember, the compilation time has been included
in BEAM files (and can be retrieved using Mod:module_info(compile)).
The timestamp has caused problems for anyone using tools such as 'cmp'
to compare BEAM files or for package managers:
http://erlang.org/pipermail/erlang-questions/2016-April/088717.html
Rarely has the timestamp been of any use. Yes, sometimes the timestamp
could help to figuring out which version of a module was used, but
nowadays a better way is to use Mod:module_info(md5).
To get rid of this problem, remove the timestamp from BEAM files in
OTP 19. Don't add an option to include timestamps.
Utilities that depend on the timestamp will need to be modified.
For example:
http://erlang.org/pipermail/erlang-questions/2016-April/088730.html
Instead of using the compilation time, the MD5 for the BEAM code can
be used. Example:
1> c:module_info(md5).
<<79,26,188,243,168,60,58,45,34,69,19,222,138,190,214,118>>
2> beam_lib:md5(code:which(c)).
{ok,{c,<<79,26,188,243,168,60,58,45,34,69,19,222,138,190,214,118>>}}
3>
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* bjorn/compiler/core-erlang-fixes:
Add compile_SUITE:core_roundtrip/1
v3_core: Construct {badmap,Map} as literal if possible
core_pp: Print {file,File} annotations more compactly
core_pp: Add format_all/1 that prints all annotations
core_parse: Don't sort map patterns
core_parse: Handle annotations in more contexts
cerl_trees: Correct handling of maps in label/2
cerl: Add missing API function is_c_map_pattern/1
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Windows 8 and later have stronger admin checks which requires
erlang to run in privileged shells, ignore for now.
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and increase some timeouts for very slow machines (arm)
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Needed functionality, to avoid abusing opauqe objects.
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and avoid large logs when tests succed
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Commands could be executed twice, if the command was dispatched
from a callback and caused a recursive invocation of command loop.
Solution is to mark op as -1 before calling wxWidgets.
Also commands could be missed when idle processing was done inside
while executing a recursive callback, solved be always resetting peak
index after idle processing is done.
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When debugging, it is important that we can trust the Core Erlang
pretty printer and Core Erlang parser.
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This will speed up test cases that print all annotations.
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If we pretty print to a file and read it back in, we expect to
get the same cerl data structures back.
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Annotations would not be accepted for all constructs.
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Make sure that we don't convert a map pattern to a map expression.
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Dialyzer would warn about uses of the ?assert(BoolExpr) macro in assert.hrl
if the argument was known to be boolean-only.
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* bjorn/debugger/cuddle-with-tests:
Remove ?line macros
Replace "%" with "%%" at the beginning of a line
Eliminate doc and suite clauses
Eliminate use of the ?t macro
Eliminate use of test_server:format()
Eliminate use of test_server:fail/{0,1}
Use proplists:get_value/2 instead of ?config()
Modernize use of timetraps
int_SUITE: Fix interpretable/1 in a non-installed system
int_SUITE: Fix interpretable/1 on cross-compiled platforms
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* bjorn/compiler/misc-opt:
v3_kernel: Construct literal lists properly
Use the register map in %live in beam_utils:is_killed_block/2
Teach beam_utils to check liveness for put_map instructions
beam_peep: Help out beam_jump
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While we are it, also re-ident the files.
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We want to re-ident the source files after having taken out
all ?line macros. When re-indenting using Emacs, it's important
that comments that should be at the beginning of a line (or
follow the indentation of statements around it) must start with
"%%".
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Either rely on the default 30 minutes timetrap, or set the timeout
using the supported methods in common_test.
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interpretable/1 tests (among other things) that we are not allowed
to interpret modules in certain applications (such as kernel and
stdlib).
int:interpretable/1 as currently implement enforces the restriction
only in an installed system (the applications must have versions,
such as kernel-1.2.3).
We could modify int:interpretable/1 to enforce the restriction,
but it could sometimes be useful to be able to debug (for example)
erl_lint or other library modules that can safely be reloaded
without crashing the run-time system.
Therefore, assume that anyone working in a non-installed system
knows what they are doing and fix the test case so that it stop
failing in a non-installed system.
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c7e82c6b406b teached the debugger to use the 'source' key
in Mod:module_info/1 to help locate the source code
corresponding to a BEAM file. The new test that was added
at the same time will fail if the test suites were
cross-compiled on another computer (i.e., the 'source' key
would not point to the source file on the target computer).
Avoid the problem by letting int_SUITE:init_per_suite/1 compile
the BEAM files. That will ensure that 'source' keys points to
the actual source file.
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OTP-13501
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OTP-13500
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OTP-13502
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OTP-13499
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OTP-13500
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OTP-13500
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This commit completes the tracing for processes so that
all messages sent by a process (via nifs or otherwise) will
be traced.
The commit also adds tracing of all types of events from ports.
When enabling tracing using erlang:trace, the 'all' flag now also
enables tracing on all ports.
OTP-13496
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Add the possibility to use modules as trace data receivers. The functions
in the module have to be nifs as otherwise complex trace probes will be
very hard to handle (complex means trace probes for ports for example).
This commit changes the way that the ptab->tracer field works from always
being an immediate, to now be NIL if no tracer is present or else be
the tuple {TracerModule, TracerState} where TracerModule is an atom that
is later used to lookup the appropriate tracer callbacks to call and
TracerState is just passed to the tracer callback. The default process and
port tracers have been rewritten to use the new API.
This commit also changes the order which trace messages are delivered to the
potential tracer process. Any enif_send done in a tracer module may be delayed
indefinitely because of lock order issues. If a message is delayed any other
trace message send from that process is also delayed so that order is preserved
for each traced entity. This means that for some trace events (i.e. send/receive)
the events may come in an unintuitive order (receive before send) to the
trace receiver. Timestamps are taken when the trace message is generated so
trace messages from differented processes may arrive with the timestamp
out of order.
Both the erlang:trace and seq_trace:set_system_tracer accept the new tracer
module tracers and also the backwards compatible arguments.
OTP-10267
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* paulgray/inet_db_fix/PR-949/OTP-13470:
Fix start timestamp instead of time check
Allow to refresh resolver settings on startup
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Use cerl:make_list/1 instead of a home-made make_list/1 to ensure that
literal lists are constructed as literals. In a future release, we
would like to forbid in the loader construction of literal lists using
instructions like:
put_list {atom,a} [] Dst
The proper way is:
move {literal,[a]} {x,0}
Also update the comment about "put_list Const [] Dst" in ops.tab.
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In 1f0ae04d374, a complete register map was introduced in the %live
instructions thar are added by beam_utils:live_opt/1.
Use the register map to improve beam_utils:is_killed_block/2.
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