diff options
Diffstat (limited to 'erts/emulator/beam/module.c')
| -rw-r--r-- | erts/emulator/beam/module.c | 89 |
1 files changed, 50 insertions, 39 deletions
diff --git a/erts/emulator/beam/module.c b/erts/emulator/beam/module.c index 4f36377450..0642a06123 100644 --- a/erts/emulator/beam/module.c +++ b/erts/emulator/beam/module.c @@ -1,7 +1,7 @@ /* * %CopyrightBegin% * - * Copyright Ericsson AB 1996-2016. All Rights Reserved. + * Copyright Ericsson AB 1996-2018. 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. @@ -26,6 +26,7 @@ #include "erl_vm.h" #include "global.h" #include "module.h" +#include "beam_catches.h" #ifdef DEBUG # define IF_DEBUG(x) x @@ -38,9 +39,9 @@ static IndexTable module_tables[ERTS_NUM_CODE_IX]; -erts_smp_rwmtx_t the_old_code_rwlocks[ERTS_NUM_CODE_IX]; +erts_rwmtx_t the_old_code_rwlocks[ERTS_NUM_CODE_IX]; -static erts_smp_atomic_t tot_module_bytes; +static erts_atomic_t tot_module_bytes; /* SMP note: Active module table lookup and current module instance can be * read without any locks. Old module instances are protected by @@ -48,9 +49,7 @@ static erts_smp_atomic_t tot_module_bytes; * Staging table is protected by the "code_ix lock". */ -#include "erl_smp.h" - -void module_info(int to, void *to_arg) +void module_info(fmtfn_t to, void *to_arg) { index_info(to, to_arg, &module_tables[erts_active_code_ix()]); } @@ -67,32 +66,37 @@ static int module_cmp(Module* tmpl, Module* obj) return tmpl->module != obj->module; } +void erts_module_instance_init(struct erl_module_instance* modi) +{ + modi->code_hdr = 0; + modi->code_length = 0; + modi->catches = BEAM_CATCHES_NIL; + modi->nif = NULL; + modi->num_breakpoints = 0; + modi->num_traced_exports = 0; +#ifdef HIPE + modi->hipe_code = NULL; +#endif +} static Module* module_alloc(Module* tmpl) { Module* obj = (Module*) erts_alloc(ERTS_ALC_T_MODULE, sizeof(Module)); - erts_smp_atomic_add_nob(&tot_module_bytes, sizeof(Module)); + erts_atomic_add_nob(&tot_module_bytes, sizeof(Module)); obj->module = tmpl->module; - obj->curr.code_hdr = 0; - obj->old.code_hdr = 0; - obj->curr.code_length = 0; - obj->old.code_length = 0; obj->slot.index = -1; - obj->curr.nif = NULL; - obj->old.nif = NULL; - obj->curr.num_breakpoints = 0; - obj->old.num_breakpoints = 0; - obj->curr.num_traced_exports = 0; - obj->old.num_traced_exports = 0; + erts_module_instance_init(&obj->curr); + erts_module_instance_init(&obj->old); obj->on_load = 0; + DBG_TRACE_MFA(make_atom(obj->module), 0, 0, "module_alloc"); return obj; } static void module_free(Module* mod) { erts_free(ERTS_ALC_T_MODULE, mod); - erts_smp_atomic_add_nob(&tot_module_bytes, -sizeof(Module)); + erts_atomic_add_nob(&tot_module_bytes, -sizeof(Module)); } void init_module_table(void) @@ -114,11 +118,13 @@ void init_module_table(void) } for (i=0; i<ERTS_NUM_CODE_IX; i++) { - erts_smp_rwmtx_init_x(&the_old_code_rwlocks[i], "old_code", make_small(i)); + erts_rwmtx_init(&the_old_code_rwlocks[i], "old_code", make_small(i), + ERTS_LOCK_FLAGS_PROPERTY_STATIC | ERTS_LOCK_FLAGS_CATEGORY_GENERIC); } - erts_smp_atomic_init_nob(&tot_module_bytes, 0); + erts_atomic_init_nob(&tot_module_bytes, 0); } + Module* erts_get_module(Eterm mod, ErtsCodeIndex code_ix) { @@ -139,27 +145,31 @@ erts_get_module(Eterm mod, ErtsCodeIndex code_ix) } } -Module* -erts_put_module(Eterm mod) + +static Module* put_module(Eterm mod, IndexTable* mod_tab) { Module e; - IndexTable* mod_tab; int oldsz, newsz; Module* res; ASSERT(is_atom(mod)); - ERTS_SMP_LC_ASSERT(erts_initialized == 0 - || erts_has_code_write_permission()); - - mod_tab = &module_tables[erts_staging_code_ix()]; e.module = atom_val(mod); oldsz = index_table_sz(mod_tab); res = (Module*) index_put_entry(mod_tab, (void*) &e); newsz = index_table_sz(mod_tab); - erts_smp_atomic_add_nob(&tot_module_bytes, (newsz - oldsz)); + erts_atomic_add_nob(&tot_module_bytes, (newsz - oldsz)); return res; } +Module* +erts_put_module(Eterm mod) +{ + ERTS_LC_ASSERT(erts_initialized == 0 + || erts_has_code_write_permission()); + + return put_module(mod, &module_tables[erts_staging_code_ix()]); +} + Module *module_code(int i, ErtsCodeIndex code_ix) { return (Module*) erts_index_lookup(&module_tables[code_ix], i); @@ -172,7 +182,7 @@ int module_code_size(ErtsCodeIndex code_ix) int module_table_sz(void) { - return erts_smp_atomic_read_nob(&tot_module_bytes); + return erts_atomic_read_nob(&tot_module_bytes); } #ifdef DEBUG @@ -181,6 +191,13 @@ static ErtsCodeIndex dbg_load_code_ix = 0; static int entries_at_start_staging = 0; +static ERTS_INLINE void copy_module(Module* dst_mod, Module* src_mod) +{ + dst_mod->curr = src_mod->curr; + dst_mod->old = src_mod->old; + dst_mod->on_load = src_mod->on_load; +} + void module_start_staging(void) { IndexTable* src = &module_tables[erts_active_code_ix()]; @@ -199,10 +216,7 @@ void module_start_staging(void) src_mod = (Module*) erts_index_lookup(src, i); dst_mod = (Module*) erts_index_lookup(dst, i); ASSERT(src_mod->module == dst_mod->module); - - dst_mod->curr = src_mod->curr; - dst_mod->old = src_mod->old; - dst_mod->on_load = src_mod->on_load; + copy_module(dst_mod, src_mod); } /* @@ -214,12 +228,10 @@ void module_start_staging(void) dst_mod = (Module*) index_put_entry(dst, src_mod); ASSERT(dst_mod != src_mod); - dst_mod->curr = src_mod->curr; - dst_mod->old = src_mod->old; - dst_mod->on_load = src_mod->on_load; + copy_module(dst_mod, src_mod); } newsz = index_table_sz(dst); - erts_smp_atomic_add_nob(&tot_module_bytes, (newsz - oldsz)); + erts_atomic_add_nob(&tot_module_bytes, (newsz - oldsz)); entries_at_start_staging = dst->entries; IF_DEBUG(dbg_load_code_ix = erts_staging_code_ix()); @@ -237,9 +249,8 @@ void module_end_staging(int commit) oldsz = index_table_sz(tab); index_erase_latest_from(tab, entries_at_start_staging); newsz = index_table_sz(tab); - erts_smp_atomic_add_nob(&tot_module_bytes, (newsz - oldsz)); + erts_atomic_add_nob(&tot_module_bytes, (newsz - oldsz)); } IF_DEBUG(dbg_load_code_ix = -1); } - |