/*
* %CopyrightBegin%
*
* Copyright Ericsson AB 2001-2013. 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_debug.c
*
* TODO:
* - detect mode-switch native return addresses (ARCH-specific)
* - map user-code native return addresses to symbolic names
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <stddef.h> /* offsetof() */
#include <stdio.h>
#include "sys.h"
#include "erl_vm.h"
#include "global.h"
#include "erl_process.h"
#include "beam_catches.h"
#include "beam_load.h"
#include "hipe_mode_switch.h"
#include "hipe_debug.h"
#include "erl_map.h"
static const char dashes[2*sizeof(long)+5] = {
[0 ... 2*sizeof(long)+3] = '-'
};
static const char dots[2*sizeof(long)+5] = {
[0 ... 2*sizeof(long)+3] = '.'
};
static const char stars[2*sizeof(long)+5] = {
[0 ... 2*sizeof(long)+3] = '*'
};
extern Uint beam_apply[];
static void print_beam_pc(BeamInstr *pc)
{
if (pc == hipe_beam_pc_return) {
printf("return-to-native");
} else if (pc == hipe_beam_pc_throw) {
printf("throw-to-native");
} else if (pc == &beam_apply[1]) {
printf("normal-process-exit");
} else {
BeamInstr *mfa = find_function_from_pc(pc);
if (mfa)
erts_printf("%T:%T/%bpu + 0x%bpx",
mfa[0], mfa[1], mfa[2], pc - &mfa[3]);
else
printf("?");
}
}
static void catch_slot(Eterm *pos, Eterm val)
{
BeamInstr *pc = catch_pc(val);
printf(" | 0x%0*lx | 0x%0*lx | CATCH 0x%0*lx (BEAM ",
2*(int)sizeof(long), (unsigned long)pos,
2*(int)sizeof(long), (unsigned long)val,
2*(int)sizeof(long), (unsigned long)pc);
print_beam_pc(pc);
printf(")\r\n");
}
static void print_beam_cp(Eterm *pos, Eterm val)
{
printf(" |%s|%s| BEAM ACTIVATION RECORD\r\n", dashes, dashes);
printf(" | 0x%0*lx | 0x%0*lx | BEAM PC ",
2*(int)sizeof(long), (unsigned long)pos,
2*(int)sizeof(long), (unsigned long)val);
print_beam_pc(cp_val(val));
printf("\r\n");
}
static void print_catch(Eterm *pos, Eterm val)
{
printf(" |%s|%s| BEAM CATCH FRAME\r\n", dots, dots);
catch_slot(pos, val);
printf(" |%s|%s|\r\n", stars, stars);
}
static void print_stack(Eterm *sp, Eterm *end)
{
printf(" | %*s | %*s |\r\n",
2+2*(int)sizeof(long), "Address",
2+2*(int)sizeof(long), "Contents");
while (sp < end) {
Eterm val = sp[0];
if (is_CP(val))
print_beam_cp(sp, val);
else if (is_catch(val))
print_catch(sp, val);
else {
printf(" | 0x%0*lx | 0x%0*lx | ",
2*(int)sizeof(long), (unsigned long)sp,
2*(int)sizeof(long), (unsigned long)val);
erts_printf("%.30T", val);
printf("\r\n");
}
sp += 1;
}
printf(" |%s|%s|\r\n", dashes, dashes);
}
void hipe_print_estack(Process *p)
{
printf(" | BEAM STACK |\r\n");
print_stack(p->stop, STACK_START(p));
}
static void print_heap(Eterm *pos, Eterm *end)
{
printf("From: 0x%0*lx to 0x%0*lx\n\r",
2*(int)sizeof(long), (unsigned long)pos,
2*(int)sizeof(long), (unsigned long)end);
printf(" | H E A P |\r\n");
printf(" | %*s | %*s |\r\n",
2+2*(int)sizeof(long), "Address",
2+2*(int)sizeof(long), "Contents");
printf(" |%s|%s|\r\n", dashes, dashes);
while (pos < end) {
Eterm val = pos[0];
printf(" | 0x%0*lx | 0x%0*lx | ",
2*(int)sizeof(long), (unsigned long)pos,
2*(int)sizeof(long), (unsigned long)val);
++pos;
if (is_arity_value(val))
printf("Arity(%lu)", arityval(val));
else if (is_thing(val)) {
unsigned int ari = thing_arityval(val);
printf("Thing Arity(%u) Tag(%lu)", ari, thing_subtag(val));
while (ari) {
printf("\r\n | 0x%0*lx | 0x%0*lx | THING",
2*(int)sizeof(long), (unsigned long)pos,
2*(int)sizeof(long), (unsigned long)*pos);
++pos;
--ari;
}
} else
erts_printf("%.30T", val);
printf("\r\n");
}
printf(" |%s|%s|\r\n", dashes, dashes);
}
void hipe_print_heap(Process *p)
{
print_heap(p->heap, p->htop);
}
void hipe_print_pcb(Process *p)
{
printf("P: 0x%0*lx\r\n", 2*(int)sizeof(long), (unsigned long)p);
printf("-----------------------------------------------\r\n");
printf("Offset| Name | Value | *Value |\r\n");
#undef U
#define U(n,x) \
printf(" % 4d | %s | 0x%0*lx | |\r\n", (int)offsetof(Process,x), n, 2*(int)sizeof(long), (unsigned long)p->x)
#undef P
#define P(n,x) \
printf(" % 4d | %s | 0x%0*lx | 0x%0*lx |\r\n", (int)offsetof(Process,x), n, 2*(int)sizeof(long), (unsigned long)p->x, 2*(int)sizeof(long), p->x ? (unsigned long)*(p->x) : -1UL)
U("htop ", htop);
U("hend ", hend);
U("heap ", heap);
U("heap_sz ", heap_sz);
U("stop ", stop);
U("gen_gcs ", gen_gcs);
U("max_gen_gcs", max_gen_gcs);
U("high_water ", high_water);
U("old_hend ", old_hend);
U("old_htop ", old_htop);
U("old_head ", old_heap);
U("min_heap_..", min_heap_size);
U("rcount ", rcount);
U("id ", common.id);
U("reds ", reds);
U("tracer_pr..", common.tracer_proc);
U("trace_fla..", common.trace_flags);
U("group_lea..", group_leader);
U("flags ", flags);
U("fvalue ", fvalue);
U("freason ", freason);
U("fcalls ", fcalls);
/*XXX: ErlTimer tm; */
U("next ", next);
/*XXX: ErlOffHeap off_heap; */
U("reg ", common.u.alive.reg);
U("nlinks ", common.u.alive.links);
/*XXX: ErlMessageQueue msg; */
U("mbuf ", mbuf);
U("mbuf_sz ", mbuf_sz);
U("dictionary ", dictionary);
U("seq..clock ", seq_trace_clock);
U("seq..astcnt", seq_trace_lastcnt);
U("seq..token ", seq_trace_token);
U("intial[0] ", initial[0]);
U("intial[1] ", initial[1]);
U("intial[2] ", initial[2]);
P("current ", current);
P("cp ", cp);
P("i ", i);
U("catches ", catches);
U("arity ", arity);
P("arg_reg ", arg_reg);
U("max_arg_reg", max_arg_reg);
U("def..reg[0]", def_arg_reg[0]);
U("def..reg[1]", def_arg_reg[1]);
U("def..reg[2]", def_arg_reg[2]);
U("def..reg[3]", def_arg_reg[3]);
U("def..reg[4]", def_arg_reg[4]);
U("def..reg[5]", def_arg_reg[5]);
#ifdef HIPE
U("nsp ", hipe.nsp);
U("nstack ", hipe.nstack);
U("nstend ", hipe.nstend);
U("ncallee ", hipe.u.ncallee);
hipe_arch_print_pcb(&p->hipe);
#endif /* HIPE */
#undef U
#undef P
printf("-----------------------------------------------\r\n");
}
