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Instructions that used to be implemented in beam_emu.c
were not marked as cold as it would make no difference.
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This refactor was done using the unifdef tool like this:
for file in $(find erts/ -name *.[ch]); do unifdef -t -f defile -o $file $file; done
where defile contained:
#define ERTS_SMP 1
#define USE_THREADS 1
#define DDLL_SMP 1
#define ERTS_HAVE_SMP_EMU 1
#define SMP 1
#define ERL_BITS_REENTRANT 1
#define ERTS_USE_ASYNC_READY_Q 1
#define FDBLOCK 1
#undef ERTS_POLL_NEED_ASYNC_INTERRUPT_SUPPORT
#define ERTS_POLL_ASYNC_INTERRUPT_SUPPORT 0
#define ERTS_POLL_USE_WAKEUP_PIPE 1
#define ERTS_POLL_USE_UPDATE_REQUESTS_QUEUE 1
#undef ERTS_HAVE_PLAIN_EMU
#undef ERTS_SIGNAL_STATE
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The implementation is still hidden behind ERTS_ENABLE_LOCK_COUNT, and
all categories are still enabled by default, but the actual counting can be
toggled at will.
OTP-13170
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to replace macro ERTS_INTERNAL_BINARY_FIELDS
as header in Binary and friends.
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Only term_to_binary needed some extra attention
as it used to initialize refc as 0 instead of 1.
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which serves no purpose after all the
hipe load&purge fixes merged at
32729cab75325de58bf127e6e8836348071b8682
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instead of ugly negative indexing.
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7814ec18b made hipe_bifs:alloc_data/3 expect alignments greater than 8
from erts_alloc(), which is not something that it guarantees. Fix it up
so that it pads the allocation up to the required alignment, in case it
does not initially satisfy the alignment requirement.
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to long lived, short lived and native stack.
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A magic destructor can return 0 and thereby take control
and prolong the lifetime of a magic binary.
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* maint:
Atomic reference count of binaries also in non-SMP
Conflicts:
erts/emulator/beam/erl_fun.c
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OTP-14202
* rickard/binary-refc:
Atomic reference count of binaries also in non-SMP
Conflicts:
erts/emulator/beam/beam_bp.c
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NIF resources was not handled in a thread-safe manner in the runtime
system without SMP support.
As a consequence of this fix, the following driver functions are now
thread-safe also in the runtime system without SMP support:
- driver_free_binary()
- driver_realloc_binary()
- driver_binary_get_refc()
- driver_binary_inc_refc()
- driver_binary_dec_refc()
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* sverker/ASSERT_IN_ENV:
erts: Add macro ERTS_PROC_LOCKS_HIGHER_THAN
erts: Cleanup and extra assertions in nif_SUITE.c
erts: Cleanup enif_make_reverse_list
erts: Add assertions for correct ErlNifEnv
erts: Make erts_dbg_within_proc available
# Conflicts:
# erts/emulator/beam/erl_gc.h
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* maint:
Remove debug printout and unnecessary GC
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for debug assertions.
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8bb80fe76f5b replaced the "__arm__" macro used to test for the arm
architecture in hipe_bif0 with the "arm" macro, which is not universally
available. As this replacement is not motivated in the commit message,
nor replicated in any other file that uses the "__arm__" macro, this
seems to be an accident, and this commit reverts the replacement.
When compiled in an environment without the "arm" macro, upgrading hipe
code would occasionally not patch relocations to the new module due to
being out of range for a shortjump, and a trampoline not being provided
to do a longjump. Since this type of relocation patches are not expected
to be able to fail, there is no error handling, and aside from a
"hipe_redirect_to_module: patch failed" message, code upgrade would
proceed and lead to various incorrect behaviour.
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Conflicts:
erts/emulator/beam/beam_bif_load.c
erts/emulator/beam/beam_load.c
and added macro DBG_TRACE_MFA_P in beam_load.h
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with hash table mod2mfa_tab
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erlang:system_info({allocator, exec_alloc})
have stats if we need it.
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Symptom: Got ra==NULL at nsp==nsp_end
when running basic_SUITE:basic_arith on arm
why has this not been detected before?
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* Use erts_alloc(ERTS_ALC_T_HIPE_EXEC,_)
* Each module has its own trampolines
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* Use erts_alloc(ERTS_ALC_T_HIPE_EXEC,_)
* Each module has its own trampolines
* Stubs do not use trampolines,
they do their own long jumps.
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creation and destruction.
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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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