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/*
* %CopyrightBegin%
*
* Copyright Ericsson AB 2001-2016. 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_bif1.c
*
* Performance analysis support.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "sys.h"
#include "global.h"
#include "bif.h"
#include "big.h"
#include "error.h"
#include "beam_load.h"
#include "hipe_bif0.h"
#include "hipe_bif1.h"
#define BeamOpCode(Op) ((Uint)BeamOp(Op))
BIF_RETTYPE hipe_bifs_call_count_on_1(BIF_ALIST_1)
{
ErtsCodeInfo *ci;
Eterm *pc;
struct hipe_call_count *hcc;
ci = hipe_bifs_find_pc_from_mfa(BIF_ARG_1);
if (!ci)
BIF_ERROR(BIF_P, BADARG);
ASSERT(ci->op == BeamOpCode(op_i_func_info_IaaI));
pc = erts_codeinfo_to_code(ci);
if (pc[0] == BeamOpCode(op_hipe_trap_call))
BIF_ERROR(BIF_P, BADARG);
if (pc[0] == BeamOpCode(op_hipe_call_count))
BIF_RET(NIL);
hcc = erts_alloc(ERTS_ALC_T_HIPE_SL, sizeof(*hcc));
hcc->count = 0;
hcc->opcode = pc[0];
ci->u.hcc = hcc;
pc[0] = BeamOpCode(op_hipe_call_count);
BIF_RET(am_true);
}
BIF_RETTYPE hipe_bifs_call_count_off_1(BIF_ALIST_1)
{
ErtsCodeInfo* ci;
Eterm *pc;
struct hipe_call_count *hcc;
unsigned count;
ci = hipe_bifs_find_pc_from_mfa(BIF_ARG_1);
if (!ci)
BIF_ERROR(BIF_P, BADARG);
ASSERT(ci->op == BeamOpCode(op_i_func_info_IaaI));
pc = erts_codeinfo_to_code(ci);
if (pc[0] != BeamOpCode(op_hipe_call_count))
BIF_RET(am_false);
hcc = ci->u.hcc;
count = hcc->count;
pc[0] = hcc->opcode;
ci->u.hcc = NULL;
erts_free(ERTS_ALC_T_HIPE_SL, hcc);
BIF_RET(make_small(count));
}
BIF_RETTYPE hipe_bifs_call_count_get_1(BIF_ALIST_1)
{
ErtsCodeInfo* ci;
Eterm *pc;
struct hipe_call_count *hcc;
ci = hipe_bifs_find_pc_from_mfa(BIF_ARG_1);
if (!ci)
BIF_ERROR(BIF_P, BADARG);
ASSERT(ci->op == BeamOpCode(op_i_func_info_IaaI));
pc = erts_codeinfo_to_code(ci);
if (pc[0] != BeamOpCode(op_hipe_call_count))
BIF_RET(am_false);
hcc = ci->u.hcc;
BIF_RET(make_small(hcc->count));
}
BIF_RETTYPE hipe_bifs_call_count_clear_1(BIF_ALIST_1)
{
ErtsCodeInfo* ci;
Eterm *pc;
struct hipe_call_count *hcc;
unsigned count;
ci = hipe_bifs_find_pc_from_mfa(BIF_ARG_1);
if (!ci)
BIF_ERROR(BIF_P, BADARG);
ASSERT(ci->op == BeamOpCode(op_i_func_info_IaaI));
pc = erts_codeinfo_to_code(ci);
if (pc[0] != BeamOpCode(op_hipe_call_count))
BIF_RET(am_false);
hcc = ci->u.hcc;
count = hcc->count;
hcc->count = 0;
BIF_RET(make_small(count));
}
unsigned int hipe_trap_count;
BIF_RETTYPE hipe_bifs_trap_count_get_0(BIF_ALIST_0)
{
BIF_RET(make_small(hipe_trap_count));
}
BIF_RETTYPE hipe_bifs_trap_count_clear_0(BIF_ALIST_0)
{
unsigned int count = hipe_trap_count;
hipe_trap_count = 0;
BIF_RET(make_small(count));
}
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