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2015-03-17Merge branch 'maint'Rickard Green
* maint: Make access to control_flags safe in non-smp emulator
2015-03-17Merge branch 'rickard/port_control_flags_crash/OTP-12544' into maintRickard Green
* rickard/port_control_flags_crash/OTP-12544: Make access to control_flags safe in non-smp emulator
2015-03-16Merge branch 'nox/ets-update_counter-4'Zandra Hird
* nox/ets-update_counter-4: Create new BIF ets:update_counter/4 Allow 4-ary BIFs OTP-12563
2015-03-15Ensure NIF term creation disallows illegal valuesSteve Vinoski
Add a check to enif_make_double to see if its double argument is infinity or NaN, returning a badarg exception if it is. Change the erl_nif documentation to specify that enif_make_double returns a badarg exception if its double argument is either infinity or NaN. Add tests to nif_SUITE for this change. Add checks to the enif_make* functions for atoms to prevent the creation of atoms whose name lengths are greater than the allowed maximum atom length. The enif_make_atom and enif_make_atom_len functions now return a badarg exception if the input string is too long. The enif_make_existing_atom and enif_make_existing_atom_len functions return false if the input string is too long. Change the erl_nif documentation to reflect the changes to these functions. Add tests to nif_SUITE for these changes. Add a field to ErlNifEnv to track that a NIF has raised an exception via enif_make_badarg. If a NIF calls enif_make_badarg but then ignores its return value and instead tries to return a non-exception term as its return value, the runtime still raises a badarg. This is needed to prevent enif_make_badarg values resulting from calls to enif_make_double, enif_make_atom, or enif_make_atom_len from being erroneously stored within other terms and returned from a NIF. Calling enif_make_badarg but not returning its return value has been documented as being illegal ever since enif_make_badarg was added, but the runtime has not enforced it until now. Add tests for regular and dirty NIFs to ensure that calls to enif_make_badarg result in badarg exceptions even if a NIF fails to return the result of enif_make_badarg as its return value. Add documentation to enif_make_badarg to specify that calling it raises a badarg even if a NIF ignores its return value.
2015-03-13erts: Remove unused variable in crashdump creationBjörn-Egil Dahlberg
2015-03-13erts: Fix typo in copy_struct for halfword emulatorBjörn-Egil Dahlberg
2015-03-13erts: Restrict GCC intrinsics by compiler versionBjörn-Egil Dahlberg
Intrinsics __builtin_clz and __builtin_popcount are only valid on GCC version 3.4 and above.
2015-03-12erts: Fix windows bug in hashmap_infoSverker Eriksson
undefined symbol 'MAX'
2015-03-12erts: Fix typo in make_hash2 for 32-bit archSverker Eriksson
2015-03-12Fix beam_load assertBjörn-Egil Dahlberg
2015-03-12erts: Set Maps small limit to 32 itemsBjörn-Egil Dahlberg
Use small limit 3 in debug case
2015-03-12erts: Cleanup comments for make_internal_hashSverker Eriksson
2015-03-12erts: Fix nif API for hashmapsSverker Eriksson
2015-03-12erts: Make hashmap iterator more flexibleSverker Eriksson
to allow mixing of 'next' and 'prev' operations.
2015-03-12erts, kernel: Fix erts_debug:size/1 for hashmapsBjörn-Egil Dahlberg
This commit introduces two BIFs: * erts_internal:map_type/1 * erts_internal:map_hashmap_children/1 erts_internal:map_hashmap_children/1 is only intended for use within erts_debug:size/1 since the internal hashmap node is not allowed to leak anywhere.
2015-03-12erts: Add hashmap construction to driver APIBjörn-Egil Dahlberg
2015-03-12erts: Reintroduce is_map macroSverker Eriksson
as shorthand for is_flatmap || is_hashmap
2015-03-12erts: Refactor maps naming conventionSverker Eriksson
flatmap: Small map hashmap: Large map map: flatmap or hashmap
2015-03-12erts: Teach hashmaps to match spec compilerBjörn-Egil Dahlberg
2015-03-12erts: Add hashmap_iterator_prev to mapsBjörn-Egil Dahlberg
2015-03-12erts: Tweak over estimation of hashmap size for binary_to_termSverker Eriksson
Strategy: Calculate an over estimation of heap size that will give such a low probability for overflow, that "it will not happen". Scary assumption 1: Uniformly distributed hash values. Scary assumption 2: Tree size is normally distributed (right?)
2015-03-12erts: Reject duplicate keys for hamt in binary_to_termSverker Eriksson
2015-03-12erts: Fix instruction i_has_map_fields_fsI for hashmapsBjörn-Egil Dahlberg
2015-03-12First stab at binary_to_term for hamtSverker Eriksson
with over estimation of heap size.
2015-03-12erts: Fix various map vs hamt size bugsSverker Eriksson
2015-03-12erts: Fix instruction new_mapBjörn-Egil Dahlberg
2015-03-12erts: Refactor hashmap_from_ks_and_vsBjörn-Egil Dahlberg
Use extra key and value if needed.
2015-03-12erts: Fix update_map_assoc instructionBjörn-Egil Dahlberg
Did not build a hashmap once the small limit was exceeded.
2015-03-12erts: Ensure maps becomes hashmaps in maps:merge/2Björn-Egil Dahlberg
Maps should become hashmaps when merged size exceeds small limit size.
2015-03-12erts: Fix erlang:hash and erlang:phash for hamtSverker Eriksson
by calling make_hash2.
2015-03-12erts: Fix compare order of hamt vs other typesSverker Eriksson
MAP_DEF and HASHMAP_DEF must have adjacent values
2015-03-12erts: Add make_internal_hashSverker Eriksson
2015-03-12erts: Handle hashmap in update/assoc instructionsBjörn-Egil Dahlberg
2015-03-12erts: Split hashmap_insert to down and upBjörn-Egil Dahlberg
2015-03-12erts: Make ESTACK usable through pointerBjörn-Egil Dahlberg
2015-03-12erts: Handle hashmap in get_map_element(s) instructionsBjörn-Egil Dahlberg
2015-03-12erts: Remove erl_hashmap.[ch] filesBjörn-Egil Dahlberg
2015-03-12erts: Move hashmap:merge/2 to mapsBjörn-Egil Dahlberg
2015-03-12erts: Move hashmap:info/1 to erts_debug:map_info/1Björn-Egil Dahlberg
2015-03-12erts: Remove hashmap:new/0Björn-Egil Dahlberg
2015-03-12erts: Move hashmap:from_list/1 to mapsBjörn-Egil Dahlberg
2015-03-12erts: Refactor maps:from_list/1Björn-Egil Dahlberg
2015-03-12erts: Refactor maps:remove/2Björn-Egil Dahlberg
2015-03-12erts: Move hashmap:remove/2 to mapsBjörn-Egil Dahlberg
2015-03-12erts: Refactor maps:update/3 and maps:put/3Björn-Egil Dahlberg
2015-03-12erts: Reindent erts_maps_updateBjörn-Egil Dahlberg
2015-03-12erts: Move hashmap:put/3, update/3 to mapsBjörn-Egil Dahlberg
2015-03-12erts: Refactor maps:get/2, find/2 and is_key/2Björn-Egil Dahlberg
2015-03-12erts: Move hashmap:get/2, find/2 and is_key/2 to mapsBjörn-Egil Dahlberg
2015-03-12erts: Move erlang:is_hashmap/1 to mapsBjörn-Egil Dahlberg