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author | Sverker Eriksson <[email protected]> | 2019-02-06 19:10:26 +0100 |
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committer | Sverker Eriksson <[email protected]> | 2019-02-06 19:10:26 +0100 |
commit | 98cfd6016f8b40fc97e03b31177d14318349040f (patch) | |
tree | c0fcdd768071c36bfbcbf186d369d9ca14c47421 /erts/emulator/hipe/hipe_load.c | |
parent | e2ca71b6e7172b320b5b171359d53a161383fb19 (diff) | |
parent | 3825199794da28d79b21052a2e69e2335921d55e (diff) | |
download | otp-98cfd6016f8b40fc97e03b31177d14318349040f.tar.gz otp-98cfd6016f8b40fc97e03b31177d14318349040f.tar.bz2 otp-98cfd6016f8b40fc97e03b31177d14318349040f.zip |
Merge tag 'OTP-21.2' into sverker/map-from-ks-vs-bug
Diffstat (limited to 'erts/emulator/hipe/hipe_load.c')
-rw-r--r-- | erts/emulator/hipe/hipe_load.c | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/erts/emulator/hipe/hipe_load.c b/erts/emulator/hipe/hipe_load.c new file mode 100644 index 0000000000..27d7bb9dee --- /dev/null +++ b/erts/emulator/hipe/hipe_load.c @@ -0,0 +1,106 @@ +/* + * %CopyrightBegin% + + * + * Copyright Ericsson AB 2016-2017. All Rights Reserved. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + * %CopyrightEnd% + */ +/* + * hipe_load.c + * + * HiPE atomic code loader + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif +#include "sys.h" +#include "global.h" +#include "erl_binary.h" +#include "hipe_load.h" +#include "hipe_bif0.h" + +void hipe_free_loader_state(HipeLoaderState *stp) +{ + if (stp->module == NIL) return; + + // TODO: Needs to be freed separately. We'd like have a unified executable + // code allocator, so postpone this for now. + /* if (stp->text_segment) */ + /* erts_free(ERTS_ALC_T_HIPE, stp->text_segment); */ + stp->text_segment = NULL; + stp->text_segment_size = 0; + + if (stp->data_segment) + erts_free(ERTS_ALC_T_HIPE_LL, stp->data_segment); + stp->data_segment = NULL; + stp->data_segment_size = 0; + + if (stp->new_hipe_refs) { + hipe_purge_refs(stp->new_hipe_refs, stp->module, 0); + stp->new_hipe_refs = NULL; + } + if (stp->new_hipe_sdesc) { + hipe_purge_sdescs(stp->new_hipe_sdesc, stp->module, 0); + stp->new_hipe_sdesc = NULL; + } + + stp->module = NIL; +} + +static int +hipe_loader_state_dtor(Binary* magic) +{ + HipeLoaderState* stp = ERTS_MAGIC_BIN_DATA(magic); + + ASSERT(ERTS_MAGIC_BIN_DESTRUCTOR(magic) == hipe_loader_state_dtor); + + hipe_free_loader_state(stp); + return 1; +} + +Binary *hipe_alloc_loader_state(Eterm module) +{ + HipeLoaderState *stp; + Binary *magic; + + if (is_not_atom(module)) return NULL; + + magic = erts_create_magic_binary(sizeof(HipeLoaderState), + hipe_loader_state_dtor); + erts_refc_inc(&magic->intern.refc, 1); + stp = ERTS_MAGIC_BIN_DATA(magic); + + stp->module = module; + stp->text_segment = NULL; + stp->text_segment_size = 0; + stp->data_segment = NULL; + stp->data_segment_size = 0; + + stp->new_hipe_refs = NULL; + stp->new_hipe_sdesc = NULL; + + return magic; +} + +HipeLoaderState * +hipe_get_loader_state(Binary *magic) +{ + if (ERTS_MAGIC_BIN_DESTRUCTOR(magic) != hipe_loader_state_dtor) + return NULL; + + return (HipeLoaderState*) ERTS_MAGIC_BIN_DATA(magic); +} |