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/*
* %CopyrightBegin%
*
* Copyright Ericsson AB 2001-2011. All Rights Reserved.
*
* The contents of this file are subject to the Erlang Public License,
* Version 1.1, (the "License"); you may not use this file except in
* compliance with the License. You should have received a copy of the
* Erlang Public License along with this software. If not, it can be
* retrieved online at http://www.erlang.org/.
*
* Software distributed under the License is distributed on an "AS IS"
* basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
* the License for the specific language governing rights and limitations
* under the License.
*
* %CopyrightEnd%
*/
/*
* hipe_bif2.c
*
* Miscellaneous add-ons.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "sys.h"
#include "error.h"
#include "erl_vm.h"
#include "global.h"
#include "erl_process.h"
#include "bif.h"
#include "big.h"
#include "hipe_debug.h"
#include "hipe_mode_switch.h"
#include "hipe_arch.h"
#include "hipe_stack.h"
static void proc_unlock(Process* c_p, Process* rp)
{
ErtsProcLocks locks = ERTS_PROC_LOCKS_ALL;
if (rp == c_p) {
locks &= ~ERTS_PROC_LOCK_MAIN;
}
if (rp && locks) {
erts_smp_proc_unlock(rp, locks);
}
}
BIF_RETTYPE hipe_bifs_show_estack_1(BIF_ALIST_1)
{
Process *rp = erts_pid2proc(BIF_P, ERTS_PROC_LOCK_MAIN,
BIF_ARG_1, ERTS_PROC_LOCKS_ALL);
if (!rp)
BIF_ERROR(BIF_P, BADARG);
hipe_print_estack(rp);
proc_unlock(BIF_P, rp);
BIF_RET(am_true);
}
BIF_RETTYPE hipe_bifs_show_heap_1(BIF_ALIST_1)
{
Process *rp = erts_pid2proc(BIF_P, ERTS_PROC_LOCK_MAIN,
BIF_ARG_1, ERTS_PROC_LOCKS_ALL);
if (!rp)
BIF_ERROR(BIF_P, BADARG);
hipe_print_heap(rp);
proc_unlock(BIF_P, rp);
BIF_RET(am_true);
}
BIF_RETTYPE hipe_bifs_show_nstack_1(BIF_ALIST_1)
{
Process *rp = erts_pid2proc(BIF_P, ERTS_PROC_LOCK_MAIN,
BIF_ARG_1, ERTS_PROC_LOCKS_ALL);
if (!rp)
BIF_ERROR(BIF_P, BADARG);
hipe_print_nstack(rp);
proc_unlock(BIF_P, rp);
BIF_RET(am_true);
}
BIF_RETTYPE hipe_bifs_nstack_used_size_0(BIF_ALIST_0)
{
BIF_RET(make_small(hipe_nstack_used(BIF_P)));
}
BIF_RETTYPE hipe_bifs_show_pcb_1(BIF_ALIST_1)
{
Process *rp = erts_pid2proc(BIF_P, ERTS_PROC_LOCK_MAIN,
BIF_ARG_1, ERTS_PROC_LOCKS_ALL);
if (!rp)
BIF_ERROR(BIF_P, BADARG);
hipe_print_pcb(rp);
proc_unlock(BIF_P, rp);
BIF_RET(am_true);
}
BIF_RETTYPE hipe_bifs_show_term_1(BIF_ALIST_1)
{
Eterm obj = BIF_ARG_1;
printf("0x%0*lx\r\n", 2*(int)sizeof(long), obj);
do {
Eterm *objp;
int i, ary;
if (is_list(obj)) {
objp = list_val(obj);
ary = 2;
} else if (is_boxed(obj)) {
Eterm header;
objp = boxed_val(obj);
header = objp[0];
if (is_thing(header))
ary = thing_arityval(header);
else if (is_arity_value(header))
ary = arityval(header);
else {
printf("bad header %#lx\r\n", header);
break;
}
ary += 1;
} else
break;
for (i = 0; i < ary; ++i)
printf("0x%0*lx: 0x%0*lx\r\n",
2*(int)sizeof(long), (unsigned long)&objp[i],
2*(int)sizeof(long), objp[i]);
} while (0);
erts_printf("%T", obj);
printf("\r\n");
BIF_RET(am_true);
}
BIF_RETTYPE hipe_bifs_in_native_0(BIF_ALIST_0)
{
BIF_RET(am_false);
}
BIF_RETTYPE hipe_bifs_modeswitch_debug_on_0(BIF_ALIST_0)
{
hipe_modeswitch_debug = 1;
BIF_RET(am_true);
}
BIF_RETTYPE hipe_bifs_modeswitch_debug_off_0(BIF_ALIST_0)
{
hipe_modeswitch_debug = 0;
BIF_RET(am_true);
}
/* BIFs for handling the message area */
BIF_RETTYPE hipe_bifs_show_message_area_0(BIF_ALIST_0)
{
#ifdef HYBRID
#ifdef DEBUG
print_message_area();
#else
printf("Only available in debug compiled emulator\r\n");
#endif
BIF_RET(am_true);
#else
BIF_RET(am_false);
#endif
}
#if defined(ERTS_ENABLE_LOCK_CHECK) && defined(ERTS_SMP)
BIF_RETTYPE hipe_debug_bif_wrapper(BIF_ALIST_1);
# define ERTS_SMP_REQ_PROC_MAIN_LOCK(P) \
if ((P)) erts_proc_lc_require_lock((P), ERTS_PROC_LOCK_MAIN)
# define ERTS_SMP_UNREQ_PROC_MAIN_LOCK(P) \
if ((P)) erts_proc_lc_unrequire_lock((P), ERTS_PROC_LOCK_MAIN)
BIF_RETTYPE hipe_debug_bif_wrapper(BIF_ALIST_1)
{
typedef BIF_RETTYPE Bif(BIF_ALIST_1);
Bif* fp = (Bif*) (BIF_P->hipe.bif_callee);
BIF_RETTYPE res;
ERTS_SMP_UNREQ_PROC_MAIN_LOCK(BIF_P);
res = (*fp)(BIF_P, BIF__ARGS);
ERTS_SMP_REQ_PROC_MAIN_LOCK(BIF_P);
return res;
}
#endif /* ERTS_ENABLE_LOCK_CHECK && ERTS_SMP */
BIF_RETTYPE hipe_bifs_debug_native_called_2(BIF_ALIST_2)
{
erts_printf("hipe_debug_native_called: %T(%T)\r\n", BIF_ARG_1, BIF_ARG_2);
BIF_RET(am_ok);
}
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