From 3bda47f2f26dd417fbd65d5f46b2ab8411a2a41f Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Bj=C3=B6rn-Egil=20Dahlberg?= Date: Wed, 1 Jul 2015 15:09:58 +0200 Subject: erts: Remove halfword !HEAP_ON_C_STACK --- erts/emulator/beam/beam_emu.c | 9 +----- erts/emulator/beam/erl_arith.c | 11 ++----- erts/emulator/beam/erl_bif_info.c | 9 ------ erts/emulator/beam/erl_debug.c | 25 --------------- erts/emulator/beam/erl_debug.h | 6 ---- erts/emulator/beam/erl_process.c | 3 -- erts/emulator/beam/erl_process.h | 6 ---- erts/emulator/beam/erl_term.h | 1 - erts/emulator/beam/erl_trace.c | 24 -------------- erts/emulator/beam/erl_vm.h | 8 ----- erts/emulator/beam/global.h | 67 ++++----------------------------------- erts/emulator/beam/io.c | 35 ++------------------ 12 files changed, 13 insertions(+), 191 deletions(-) diff --git a/erts/emulator/beam/beam_emu.c b/erts/emulator/beam/beam_emu.c index f4111c19f1..806b31654c 100644 --- a/erts/emulator/beam/beam_emu.c +++ b/erts/emulator/beam/beam_emu.c @@ -1165,11 +1165,7 @@ void process_main(void) */ register Eterm tmp_arg1 REG_tmp_arg1 = NIL; register Eterm tmp_arg2 REG_tmp_arg2 = NIL; -#if HEAP_ON_C_STACK - Eterm tmp_big[2]; /* Temporary buffer for small bignums if HEAP_ON_C_STACK. */ -#else - Eterm *tmp_big; /* Temporary buffer for small bignums if !HEAP_ON_C_STACK. */ -#endif + Eterm tmp_big[2]; /* * X registers and floating point registers are located in @@ -1261,9 +1257,6 @@ void process_main(void) reg = ERTS_PROC_GET_SCHDATA(c_p)->x_reg_array; freg = ERTS_PROC_GET_SCHDATA(c_p)->f_reg_array; -#if !HEAP_ON_C_STACK - tmp_big = ERTS_PROC_GET_SCHDATA(c_p)->beam_emu_tmp_heap; -#endif ERL_BITS_RELOAD_STATEP(c_p); { int reds; diff --git a/erts/emulator/beam/erl_arith.c b/erts/emulator/beam/erl_arith.c index b8c5ef9b09..3671025d22 100644 --- a/erts/emulator/beam/erl_arith.c +++ b/erts/emulator/beam/erl_arith.c @@ -42,15 +42,8 @@ # define MAX(x, y) (((x) > (y)) ? (x) : (y)) #endif -#if !HEAP_ON_C_STACK -# define DECLARE_TMP(VariableName,N,P) \ - Eterm *VariableName = ((ERTS_PROC_GET_SCHDATA(P)->erl_arith_tmp_heap) + (2 * N)) -#else -# define DECLARE_TMP(VariableName,N,P) \ - Eterm VariableName[2] -#endif -# define ARG_IS_NOT_TMP(Arg,Tmp) ((Arg) != make_big((Tmp))) - +#define DECLARE_TMP(VariableName,N,P) Eterm VariableName[2] +#define ARG_IS_NOT_TMP(Arg,Tmp) ((Arg) != make_big((Tmp))) static Eterm shift(Process* p, Eterm arg1, Eterm arg2, int right); diff --git a/erts/emulator/beam/erl_bif_info.c b/erts/emulator/beam/erl_bif_info.c index a3ff537aa1..9a132ee007 100644 --- a/erts/emulator/beam/erl_bif_info.c +++ b/erts/emulator/beam/erl_bif_info.c @@ -73,9 +73,6 @@ static char otp_version[] = ERLANG_OTP_VERSION; static char erts_system_version[] = ("Erlang/OTP " ERLANG_OTP_RELEASE "%s" " [erts-" ERLANG_VERSION "]" -#if !HEAP_ON_C_STACK - " [no-c-stack-objects]" -#endif #ifndef OTP_RELEASE #ifdef ERLANG_GIT_VERSION " [source-" ERLANG_GIT_VERSION "]" @@ -667,18 +664,12 @@ static Eterm pi_1_keys[] = { #define ERTS_PI_1_NO_OF_KEYS (sizeof(pi_1_keys)/sizeof(Eterm)) static Eterm pi_1_keys_list; -#if HEAP_ON_C_STACK static Eterm pi_1_keys_list_heap[2*ERTS_PI_1_NO_OF_KEYS]; -#endif static void process_info_init(void) { -#if HEAP_ON_C_STACK Eterm *hp = &pi_1_keys_list_heap[0]; -#else - Eterm *hp = erts_alloc(ERTS_ALC_T_LL_TEMP_TERM,sizeof(Eterm)*2*ERTS_PI_1_NO_OF_KEYS); -#endif int i; pi_1_keys_list = NIL; diff --git a/erts/emulator/beam/erl_debug.c b/erts/emulator/beam/erl_debug.c index 77a1e3d7cb..434b6c6d7a 100644 --- a/erts/emulator/beam/erl_debug.c +++ b/erts/emulator/beam/erl_debug.c @@ -628,29 +628,4 @@ void print_memory_info(Process *p) } erts_printf("+-----------------%s-%s-%s-%s-+\n",dashes,dashes,dashes,dashes); } -#if !HEAP_ON_C_STACK && defined(DEBUG) -Eterm *erts_debug_allocate_tmp_heap(int size, Process *p) -{ - ErtsSchedulerData *sd = ((p == NULL) ? erts_get_scheduler_data() : ERTS_PROC_GET_SCHDATA(p)); - int offset = sd->num_tmp_heap_used; - - ASSERT(offset+size <= TMP_HEAP_SIZE); - return (sd->tmp_heap)+offset; -} -void erts_debug_use_tmp_heap(int size, Process *p) -{ - ErtsSchedulerData *sd = ((p == NULL) ? erts_get_scheduler_data() : ERTS_PROC_GET_SCHDATA(p)); - - sd->num_tmp_heap_used += size; - ASSERT(sd->num_tmp_heap_used <= TMP_HEAP_SIZE); -} -void erts_debug_unuse_tmp_heap(int size, Process *p) -{ - ErtsSchedulerData *sd = ((p == NULL) ? erts_get_scheduler_data() : ERTS_PROC_GET_SCHDATA(p)); - - sd->num_tmp_heap_used -= size; - ASSERT(sd->num_tmp_heap_used >= 0); -} #endif -#endif - diff --git a/erts/emulator/beam/erl_debug.h b/erts/emulator/beam/erl_debug.h index 4905e64f07..f4259e7dae 100644 --- a/erts/emulator/beam/erl_debug.h +++ b/erts/emulator/beam/erl_debug.h @@ -92,10 +92,4 @@ extern void print_tagged_memory(Eterm *start, Eterm *end); extern void print_untagged_memory(Eterm *start, Eterm *end); extern void print_memory(Process *p); extern void print_memory_info(Process *p); -#if defined(DEBUG) && !HEAP_ON_C_STACK -extern Eterm *erts_debug_allocate_tmp_heap(int, Process *); -extern void erts_debug_use_tmp_heap(int, Process *); -extern void erts_debug_unuse_tmp_heap(int, Process *); -#endif - #endif /* _ERL_DEBUG_H_ */ diff --git a/erts/emulator/beam/erl_process.c b/erts/emulator/beam/erl_process.c index 135f09c04d..338be6d8e1 100644 --- a/erts/emulator/beam/erl_process.c +++ b/erts/emulator/beam/erl_process.c @@ -5495,9 +5495,6 @@ init_scheduler_data(ErtsSchedulerData* esdp, int num, esdp->f_reg_array = erts_alloc_permanent_cache_aligned(ERTS_ALC_T_BEAM_REGISTER, MAX_REG * sizeof(FloatDef)); -#if !HEAP_ON_C_STACK - esdp->num_tmp_heap_used = 0; -#endif #ifdef ERTS_DIRTY_SCHEDULERS if (ERTS_RUNQ_IX_IS_DIRTY(runq->ix)) { esdp->no = 0; diff --git a/erts/emulator/beam/erl_process.h b/erts/emulator/beam/erl_process.h index 20ffe7ea7c..ffbf3e2bff 100644 --- a/erts/emulator/beam/erl_process.h +++ b/erts/emulator/beam/erl_process.h @@ -631,12 +631,6 @@ struct ErtsSchedulerData_ { void *match_pseudo_process; /* erl_db_util.c:db_prog_match() */ Process *free_process; ErtsThrPrgrData thr_progress_data; -#endif -#if !HEAP_ON_C_STACK - Eterm tmp_heap[TMP_HEAP_SIZE]; - int num_tmp_heap_used; - Eterm beam_emu_tmp_heap[BEAM_EMU_TMP_HEAP_SIZE]; - Eterm erl_arith_tmp_heap[ERL_ARITH_TMP_HEAP_SIZE]; #endif ErtsSchedulerSleepInfo *ssi; Process *current_process; diff --git a/erts/emulator/beam/erl_term.h b/erts/emulator/beam/erl_term.h index 0d8e981da4..b928e4ca1e 100644 --- a/erts/emulator/beam/erl_term.h +++ b/erts/emulator/beam/erl_term.h @@ -23,7 +23,6 @@ typedef UWord Wterm; /* Full word terms */ -#define HEAP_ON_C_STACK 1 struct erl_node_; /* Declared in erl_node_tables.h */ /* diff --git a/erts/emulator/beam/erl_trace.c b/erts/emulator/beam/erl_trace.c index e1b03a057f..7baa3b1a54 100644 --- a/erts/emulator/beam/erl_trace.c +++ b/erts/emulator/beam/erl_trace.c @@ -1677,12 +1677,7 @@ erts_call_trace(Process* p, BeamInstr mfa[3], Binary *match_spec, args = transformed_args; if (is_internal_port(*tracer_pid)) { -#if HEAP_ON_C_STACK Eterm local_heap[64+MAX_ARG]; -#else - Eterm *local_heap = erts_alloc(ERTS_ALC_T_TEMP_TERM, - sizeof(Eterm)*(64+MAX_ARG)); -#endif hp = local_heap; if (!erts_is_valid_tracer_port(*tracer_pid)) { @@ -1696,9 +1691,6 @@ erts_call_trace(Process* p, BeamInstr mfa[3], Binary *match_spec, #ifdef ERTS_SMP if (is_not_nil(tracee)) erts_smp_proc_unlock(p, ERTS_PROC_LOCKS_ALL_MINOR); -#endif -#if !HEAP_ON_C_STACK - erts_free(ERTS_ALC_T_TEMP_TERM,local_heap); #endif UnUseTmpHeap(ERL_SUB_BIN_SIZE,p); return 0; @@ -1727,9 +1719,6 @@ erts_call_trace(Process* p, BeamInstr mfa[3], Binary *match_spec, ERTS_PAM_TMP_RESULT, &return_flags); if (is_non_value(pam_result)) { erts_match_set_release_result(p); -#if !HEAP_ON_C_STACK - erts_free(ERTS_ALC_T_TEMP_TERM,local_heap); -#endif UnUseTmpHeap(ERL_SUB_BIN_SIZE,p); return 0; } @@ -1738,9 +1727,6 @@ erts_call_trace(Process* p, BeamInstr mfa[3], Binary *match_spec, /* Meta trace */ if (pam_result == am_false) { erts_match_set_release_result(p); -#if !HEAP_ON_C_STACK - erts_free(ERTS_ALC_T_TEMP_TERM,local_heap); -#endif UnUseTmpHeap(ERL_SUB_BIN_SIZE,p); return return_flags; } @@ -1748,17 +1734,11 @@ erts_call_trace(Process* p, BeamInstr mfa[3], Binary *match_spec, /* Non-meta trace */ if (*tracee_flags & F_TRACE_SILENT) { erts_match_set_release_result(p); -#if !HEAP_ON_C_STACK - erts_free(ERTS_ALC_T_TEMP_TERM,local_heap); -#endif UnUseTmpHeap(ERL_SUB_BIN_SIZE,p); return 0; } if (pam_result == am_false) { erts_match_set_release_result(p); -#if !HEAP_ON_C_STACK - erts_free(ERTS_ALC_T_TEMP_TERM,local_heap); -#endif UnUseTmpHeap(ERL_SUB_BIN_SIZE,p); return return_flags; } @@ -1802,9 +1782,6 @@ erts_call_trace(Process* p, BeamInstr mfa[3], Binary *match_spec, send_to_port(p, mess, tracer_pid, tracee_flags); erts_smp_mtx_unlock(&smq_mtx); erts_match_set_release_result(p); -#if !HEAP_ON_C_STACK - erts_free(ERTS_ALC_T_TEMP_TERM,local_heap); -#endif UnUseTmpHeap(ERL_SUB_BIN_SIZE,p); return *tracer_pid == NIL ? 0 : return_flags; @@ -1823,7 +1800,6 @@ erts_call_trace(Process* p, BeamInstr mfa[3], Binary *match_spec, #ifdef DEBUG Eterm* limit; #endif - ASSERT(is_internal_pid(*tracer_pid)); tracer = erts_pid2proc(p, ERTS_PROC_LOCK_MAIN, diff --git a/erts/emulator/beam/erl_vm.h b/erts/emulator/beam/erl_vm.h index 2d4141ac8d..cfc978b5a5 100644 --- a/erts/emulator/beam/erl_vm.h +++ b/erts/emulator/beam/erl_vm.h @@ -40,14 +40,6 @@ #define MAX_ARG 255 /* Max number of arguments allowed */ #define MAX_REG 1024 /* Max number of x(N) registers used */ -/* Scheduler stores data for temporary heaps if - !HEAP_ON_C_STACK. Macros (*TmpHeap*) in global.h selects if we put temporary - heap data on the C stack or if we use the buffers in the scheduler data. */ -#define TMP_HEAP_SIZE 128 /* Number of Eterm in the schedulers - small heap for transient heap data */ -#define ERL_ARITH_TMP_HEAP_SIZE 4 /* as does erl_arith... */ -#define BEAM_EMU_TMP_HEAP_SIZE 2 /* and beam_emu... */ - /* * The new arithmetic operations need some extra X registers in the register array. * so does the gc_bif's (i_gc_bif3 need 3 extra). diff --git a/erts/emulator/beam/global.h b/erts/emulator/beam/global.h index 870afb414f..b4d02dd1dd 100644 --- a/erts/emulator/beam/global.h +++ b/erts/emulator/beam/global.h @@ -1444,69 +1444,16 @@ erts_alloc_message_heap(Uint size, #endif /* #if ERTS_GLB_INLINE_INCL_FUNC_DEF */ -#if !HEAP_ON_C_STACK -# if defined(DEBUG) -# define DeclareTmpHeap(VariableName,Size,Process) \ - Eterm *VariableName = erts_debug_allocate_tmp_heap(Size,Process) -# define DeclareTypedTmpHeap(Type,VariableName,Process) \ - Type *VariableName = (Type *) erts_debug_allocate_tmp_heap(sizeof(Type)/sizeof(Eterm),Process) -# define DeclareTmpHeapNoproc(VariableName,Size) \ - Eterm *VariableName = erts_debug_allocate_tmp_heap(Size,NULL) -# define UseTmpHeap(Size,Proc) \ - do { \ - erts_debug_use_tmp_heap((Size),(Proc)); \ - } while (0) -# define UnUseTmpHeap(Size,Proc) \ - do { \ - erts_debug_unuse_tmp_heap((Size),(Proc)); \ - } while (0) -# define UseTmpHeapNoproc(Size) \ - do { \ - erts_debug_use_tmp_heap(Size,NULL); \ - } while (0) -# define UnUseTmpHeapNoproc(Size) \ - do { \ - erts_debug_unuse_tmp_heap(Size,NULL); \ - } while (0) -# else -# define DeclareTmpHeap(VariableName,Size,Process) \ - Eterm *VariableName = (ERTS_PROC_GET_SCHDATA(Process)->tmp_heap)+(ERTS_PROC_GET_SCHDATA(Process)->num_tmp_heap_used) -# define DeclareTypedTmpHeap(Type,VariableName,Process) \ - Type *VariableName = (Type *) (ERTS_PROC_GET_SCHDATA(Process)->tmp_heap)+(ERTS_PROC_GET_SCHDATA(Process)->num_tmp_heap_used) -# define DeclareTmpHeapNoproc(VariableName,Size) \ - Eterm *VariableName = (erts_get_scheduler_data()->tmp_heap)+(erts_get_scheduler_data()->num_tmp_heap_used) -# define UseTmpHeap(Size,Proc) \ - do { \ - ERTS_PROC_GET_SCHDATA(Proc)->num_tmp_heap_used += (Size); \ - } while (0) -# define UnUseTmpHeap(Size,Proc) \ - do { \ - ERTS_PROC_GET_SCHDATA(Proc)->num_tmp_heap_used -= (Size); \ - } while (0) -# define UseTmpHeapNoproc(Size) \ - do { \ - erts_get_scheduler_data()->num_tmp_heap_used += (Size); \ - } while (0) -# define UnUseTmpHeapNoproc(Size) \ - do { \ - erts_get_scheduler_data()->num_tmp_heap_used -= (Size); \ - } while (0) - - -# endif - -#else -# define DeclareTmpHeap(VariableName,Size,Process) \ +#define DeclareTmpHeap(VariableName,Size,Process) \ Eterm VariableName[Size] -# define DeclareTypedTmpHeap(Type,VariableName,Process) \ +#define DeclareTypedTmpHeap(Type,VariableName,Process) \ Type VariableName[1] -# define DeclareTmpHeapNoproc(VariableName,Size) \ +#define DeclareTmpHeapNoproc(VariableName,Size) \ Eterm VariableName[Size] -# define UseTmpHeap(Size,Proc) /* Nothing */ -# define UnUseTmpHeap(Size,Proc) /* Nothing */ -# define UseTmpHeapNoproc(Size) /* Nothing */ -# define UnUseTmpHeapNoproc(Size) /* Nothing */ -#endif /* HEAP_ON_C_STACK */ +#define UseTmpHeap(Size,Proc) /* Nothing */ +#define UnUseTmpHeap(Size,Proc) /* Nothing */ +#define UseTmpHeapNoproc(Size) /* Nothing */ +#define UnUseTmpHeapNoproc(Size) /* Nothing */ ERTS_GLB_INLINE void dtrace_pid_str(Eterm pid, char *process_buf); ERTS_GLB_INLINE void dtrace_proc_str(Process *process, char *process_buf); diff --git a/erts/emulator/beam/io.c b/erts/emulator/beam/io.c index 6b4b90cb06..915d0f4328 100644 --- a/erts/emulator/beam/io.c +++ b/erts/emulator/beam/io.c @@ -6791,7 +6791,7 @@ int driver_monitor_process(ErlDrvPort drvport, { Port *prt; int ret; -#if !HEAP_ON_C_STACK || (defined(ERTS_SMP) && defined(ERTS_ENABLE_LOCK_CHECK)) +#if defined(ERTS_SMP) && defined(ERTS_ENABLE_LOCK_CHECK) ErtsSchedulerData *sched = erts_get_scheduler_data(); #endif @@ -6802,16 +6802,6 @@ int driver_monitor_process(ErlDrvPort drvport, /* Now (in SMP) we should have either the port lock (if we have a scheduler) or the port data lock (if we're a driver thread) */ ERTS_SMP_LC_ASSERT((sched != NULL || prt->port_data_lock)); - -#if !HEAP_ON_C_STACK - if (!sched) { - /* Need a separate allocation for the ref :( */ - Eterm *buf = erts_alloc(ERTS_ALC_T_TEMP_TERM, - sizeof(Eterm)*REF_THING_SIZE); - ret = do_driver_monitor_process(prt,buf,process,monitor); - erts_free(ERTS_ALC_T_TEMP_TERM,buf); - } else -#endif { DeclareTmpHeapNoproc(buf,REF_THING_SIZE); UseTmpHeapNoproc(REF_THING_SIZE); @@ -6864,7 +6854,7 @@ int driver_demonitor_process(ErlDrvPort drvport, { Port *prt; int ret; -#if !HEAP_ON_C_STACK || (defined(ERTS_SMP) && defined(ERTS_ENABLE_LOCK_CHECK)) +#if defined(ERTS_SMP) && defined(ERTS_ENABLE_LOCK_CHECK) ErtsSchedulerData *sched = erts_get_scheduler_data(); #endif @@ -6875,15 +6865,6 @@ int driver_demonitor_process(ErlDrvPort drvport, /* Now we should have either the port lock (if we have a scheduler) or the port data lock (if we're a driver thread) */ ERTS_SMP_LC_ASSERT((sched != NULL || prt->port_data_lock)); -#if !HEAP_ON_C_STACK - if (!sched) { - /* Need a separate allocation for the ref :( */ - Eterm *buf = erts_alloc(ERTS_ALC_T_TEMP_TERM, - sizeof(Eterm)*REF_THING_SIZE); - ret = do_driver_demonitor_process(prt,buf,monitor); - erts_free(ERTS_ALC_T_TEMP_TERM,buf); - } else -#endif { DeclareTmpHeapNoproc(buf,REF_THING_SIZE); UseTmpHeapNoproc(REF_THING_SIZE); @@ -6919,7 +6900,7 @@ ErlDrvTermData driver_get_monitored_process(ErlDrvPort drvport, { Port *prt; ErlDrvTermData ret; -#if !HEAP_ON_C_STACK || (defined(ERTS_SMP) && defined(ERTS_ENABLE_LOCK_CHECK)) +#if defined(ERTS_SMP) && defined(ERTS_ENABLE_LOCK_CHECK) ErtsSchedulerData *sched = erts_get_scheduler_data(); #endif @@ -6930,16 +6911,6 @@ ErlDrvTermData driver_get_monitored_process(ErlDrvPort drvport, /* Now we should have either the port lock (if we have a scheduler) or the port data lock (if we're a driver thread) */ ERTS_SMP_LC_ASSERT((sched != NULL || prt->port_data_lock)); - -#if !HEAP_ON_C_STACK - if (!sched) { - /* Need a separate allocation for the ref :( */ - Eterm *buf = erts_alloc(ERTS_ALC_T_TEMP_TERM, - sizeof(Eterm)*REF_THING_SIZE); - ret = do_driver_get_monitored_process(prt,buf,monitor); - erts_free(ERTS_ALC_T_TEMP_TERM,buf); - } else -#endif { DeclareTmpHeapNoproc(buf,REF_THING_SIZE); UseTmpHeapNoproc(REF_THING_SIZE); -- cgit v1.2.3