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debug.c
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debug.c
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/*
* Copyright (C) 2002-2009, Parrot Foundation.
* $Id$
*/
/*
=head1 NAME
compilers/imcc/debug.c
=head1 DESCRIPTION
print debug info of various structures
handle info/error/warning messages from imcc
=head2 Functions
=over 4
=cut
*/
#include "imc.h"
#include "parrot/io.h"
/* HEADERIZER HFILE: compilers/imcc/debug.h */
/*
=item C<void IMCC_fatal(PARROT_INTERP, int code, const char *fmt, ...)>
Prints out a fatal error message from IMCC and throws an
IMCC_FATAL_EXCEPTION.
=cut
*/
PARROT_EXPORT
PARROT_DOES_NOT_RETURN
void
IMCC_fatal(PARROT_INTERP, SHIM(int code), ARGIN(const char *fmt), ...)
{
ASSERT_ARGS(IMCC_fatal)
va_list ap;
va_start(ap, fmt);
IMCC_INFO(interp)->error_message = Parrot_vsprintf_c(interp, fmt, ap);
va_end(ap);
IMCC_THROW(IMCC_INFO(interp)->jump_buf, IMCC_FATAL_EXCEPTION);
}
/*
=item C<void IMCC_fataly(PARROT_INTERP, int code, const char *fmt, ...)>
Throws an IMCC_FATALY_EXCEPTION.
=cut
*/
PARROT_EXPORT
PARROT_DOES_NOT_RETURN
void
IMCC_fataly(PARROT_INTERP, SHIM(int code), ARGIN(const char *fmt), ...)
{
ASSERT_ARGS(IMCC_fataly)
va_list ap;
va_start(ap, fmt);
IMCC_INFO(interp)->error_message = Parrot_vsprintf_c(interp, fmt, ap);
va_end(ap);
IMCC_THROW(IMCC_INFO(interp)->jump_buf, IMCC_FATALY_EXCEPTION);
}
/*
=item C<void IMCC_fatal_standalone(PARROT_INTERP, int code, const char *fmt,
...)>
Prints an error message from IMCC and exits Parrot. This is not a
recoverable exception but a forced exit.
=cut
*/
PARROT_EXPORT
PARROT_DOES_NOT_RETURN
void
IMCC_fatal_standalone(PARROT_INTERP, int code, ARGIN(const char *fmt), ...)
{
ASSERT_ARGS(IMCC_fatal_standalone)
va_list ap;
va_start(ap, fmt);
imcc_vfprintf(interp, Parrot_io_STDERR(interp), fmt, ap);
va_end(ap);
Parrot_exit(interp, code);
}
/*
=item C<void IMCC_fataly_standalone(PARROT_INTERP, int code, const char *fmt,
...)>
Prints an error message and exits Parrot. This is not a recoverable
error.
=cut
*/
PARROT_EXPORT
PARROT_DOES_NOT_RETURN
void
IMCC_fataly_standalone(PARROT_INTERP, int code, ARGIN(const char *fmt), ...)
{
ASSERT_ARGS(IMCC_fataly_standalone)
va_list ap;
va_start(ap, fmt);
fprintf(stderr, "error:imcc:");
imcc_vfprintf(interp, Parrot_io_STDERR(interp), fmt, ap);
va_end(ap);
IMCC_print_inc(interp);
Parrot_exit(interp, code);
}
/*
=item C<void IMCC_warning(PARROT_INTERP, const char *fmt, ...)>
Prints a warning message, but does not throw an exception and does not
cause Parrot to exit.
=cut
*/
PARROT_EXPORT
void
IMCC_warning(PARROT_INTERP, ARGIN(const char *fmt), ...)
{
ASSERT_ARGS(IMCC_warning)
va_list ap;
if (IMCC_INFO(interp)->imcc_warn)
return;
va_start(ap, fmt);
imcc_vfprintf(interp, Parrot_io_STDERR(interp), fmt, ap);
va_end(ap);
}
/*
=item C<void IMCC_info(PARROT_INTERP, int level, const char *fmt, ...)>
Prints some information, if the level of the information is higher
then IMCC's verbose mode.
=cut
*/
PARROT_EXPORT
void
IMCC_info(PARROT_INTERP, int level, ARGIN(const char *fmt), ...)
{
ASSERT_ARGS(IMCC_info)
va_list ap;
if (level > IMCC_INFO(interp)->verbose)
return;
va_start(ap, fmt);
imcc_vfprintf(interp, Parrot_io_STDERR(interp), fmt, ap);
va_end(ap);
}
/*
=item C<void IMCC_debug(PARROT_INTERP, int level, const char *fmt, ...)>
Prints a debug message, if IMCC's debug mode is turned on.
=cut
*/
PARROT_EXPORT
void
IMCC_debug(PARROT_INTERP, int level, ARGIN(const char *fmt), ...)
{
ASSERT_ARGS(IMCC_debug)
va_list ap;
if (!(level & IMCC_INFO(interp)->debug))
return;
va_start(ap, fmt);
imcc_vfprintf(interp, Parrot_io_STDERR(interp), fmt, ap);
va_end(ap);
}
/*
=item C<void dump_instructions(PARROT_INTERP, const IMC_Unit *unit)>
Dumps the current instruction status of IMCC
=cut
*/
void
dump_instructions(PARROT_INTERP, ARGIN(const IMC_Unit *unit))
{
ASSERT_ARGS(dump_instructions)
const Instruction *ins;
int pc;
Parrot_io_fprintf(interp, Parrot_io_STDERR(interp),
"\nDumping the instructions status:"
"\n-------------------------------\n");
Parrot_io_fprintf(interp, Parrot_io_STDERR(interp),
"nins line blck deep flags\t type opnr size pc X ins\n");
for (pc = 0, ins = unit->instructions; ins; ins = ins->next) {
const Basic_block * const bb = unit->bb_list[ins->bbindex];
if (bb) {
Parrot_io_fprintf(interp, Parrot_io_STDERR(interp),
"%4i %4d %4d %4d\t%x\t%8x %4d %4d %4d %c ",
ins->index, ins->line, bb->index, bb->loop_depth,
ins->flags, (ins->type & ~ITEXT), ins->opnum,
ins->opsize, pc, ins->type & ITEXT ? 'X' : ' ');
}
else {
fprintf(stderr, "\t");
}
Parrot_io_fprintf(interp, Parrot_io_STDERR(interp), "%s\n", ins->opname);
ins_print(interp, Parrot_io_STDERR(interp), ins);
pc += ins->opsize;
}
Parrot_io_fprintf(interp, Parrot_io_STDERR(interp), "\n");
}
/*
=item C<void dump_cfg(const IMC_Unit *unit)>
Dumps the current IMCC config data.
=cut
*/
void
dump_cfg(ARGIN(const IMC_Unit *unit))
{
ASSERT_ARGS(dump_cfg)
unsigned int i;
Edge *e;
fprintf(stderr, "\nDumping the CFG:\n-------------------------------\n");
for (i = 0; i < unit->n_basic_blocks; i++) {
const Basic_block * const bb = unit->bb_list[i];
fprintf(stderr, "%d (%d)\t -> ", bb->index, bb->loop_depth);
for (e = bb->succ_list; e; e = e->succ_next) {
fprintf(stderr, "%d ", e->to->index);
}
fprintf(stderr, "\t\t <- ");
for (e = bb->pred_list; e; e = e->pred_next) {
fprintf(stderr, "%d ", e->from->index);
}
fprintf(stderr, "\n");
}
fprintf(stderr, "\n");
}
/*
=item C<void dump_loops(const IMC_Unit *unit)>
Dumps the current loops in the IMC_Unit C<unit>.
=cut
*/
void
dump_loops(ARGIN(const IMC_Unit *unit))
{
ASSERT_ARGS(dump_loops)
int i;
Loop_info ** loop_info = unit->loop_info;
fprintf(stderr, "Loop info\n---------\n");
for (i = 0; i < unit->n_loops; i++) {
const Set * const loop = loop_info[i]->loop;
const Set * const exits = loop_info[i]->exits;
unsigned int j;
fprintf(stderr,
"Loop %d, depth %d, size %d, header %d, preheader %d\n",
i, loop_info[i]->depth,
loop_info[i]->size, loop_info[i]->header,
loop_info[i]->preheader);
fprintf(stderr, " Contains blocks: ");
for (j = 0; j < unit->n_basic_blocks; j++)
if (set_contains(loop, j))
fprintf(stderr, "%d ", j);
fprintf(stderr, "\n Exit blocks: ");
for (j = 0; j < unit->n_basic_blocks; j++)
if (set_contains(exits, j))
fprintf(stderr, "%d ", j);
fprintf(stderr, "\n");
}
fprintf(stderr, "\n");
}
/*
=item C<void dump_labels(const IMC_Unit *unit)>
Dumps the list of labels in IMC_Unit C<unit>.
=cut
*/
void
dump_labels(ARGIN(const IMC_Unit *unit))
{
ASSERT_ARGS(dump_labels)
const SymHash * const hsh = &unit->hash;
unsigned int i;
fprintf(stderr, "Labels\n");
fprintf(stderr, "name\tpos\tlast ref\n"
"-----------------------\n");
for (i = 0; i < hsh->size; i++) {
const SymReg *r;
for (r = hsh->data[i]; r; r = r->next) {
if (r && (r->type & VTADDRESS))
fprintf(stderr, "%s\t%d\t%d\n",
r->name,
r->first_ins ? (int)r->first_ins->index : -1,
r->last_ins ? (int)r->last_ins->index : -1);
}
}
fprintf(stderr, "\n");
}
/*
=item C<void dump_symreg(const IMC_Unit *unit)>
Dumps a list of the symbolic registers in IMC_Unit C<unit>
=cut
*/
void
dump_symreg(ARGIN(const IMC_Unit *unit))
{
ASSERT_ARGS(dump_symreg)
unsigned int i;
SymReg ** const reglist = unit->reglist;
if (!reglist)
return;
fprintf(stderr,
"\nSymbols:"
"\n----------------------------------------------\n");
fprintf(stderr, "name\tfirst\tlast\t1.blk\t-blk\tset col \t"
"used\tlhs_use\tregp\tus flgs\n"
"----------------------------------------------\n");
for (i = 0; i < unit->n_symbols; i++) {
const SymReg * const r = reglist[i];
if (!REG_NEEDS_ALLOC(r))
continue;
if (!r->first_ins)
continue;
fprintf(stderr, "%s %c\t%d\t%d\t%d\t%d\t%c %2d %2d\t%d\t%d\t%s\t%lx\n",
r->name,
r->usage & U_NON_VOLATILE ? 'P' : ' ',
r->first_ins->index, r->last_ins->index,
r->first_ins->bbindex, r->last_ins->bbindex,
r->set,
(int)r->color, r->want_regno,
r->use_count, r->lhs_use_count,
r->reg ? r->reg->name : "",
(UINTVAL)r->usage);
}
fprintf(stderr, "\n");
dump_liveness_status(unit);
}
/*
=item C<void dump_liveness_status(const IMC_Unit *unit)>
Dumps the list of registers in the current IMC_Unit that need to be
allocated.
=cut
*/
void
dump_liveness_status(ARGIN(const IMC_Unit *unit))
{
ASSERT_ARGS(dump_liveness_status)
unsigned int i;
SymReg ** const reglist = unit->reglist;
fprintf(stderr, "\nSymbols:\n--------------------------------------\n");
for (i = 0; i < unit->n_symbols; i++) {
const SymReg * const r = reglist[i];
if (REG_NEEDS_ALLOC(r))
dump_liveness_status_var(unit, r);
}
fprintf(stderr, "\n");
}
/*
=item C<void dump_liveness_status_var(const IMC_Unit *unit, const SymReg* r)>
Dumps the state of SymReg C<r> in IMC_Unit C<unit>.
=cut
*/
void
dump_liveness_status_var(ARGIN(const IMC_Unit *unit), ARGIN(const SymReg* r))
{
ASSERT_ARGS(dump_liveness_status_var)
fprintf(stderr, "\nSymbol %s:", r->name);
if (r->life_info) {
unsigned int i;
for (i = 0; i<unit->n_basic_blocks; i++) {
const Life_range * const l = r->life_info[i];
if (l->flags & LF_lv_all)
fprintf(stderr, "\n\t%i:ALL\t", i);
else if (l->flags & LF_lv_inside)
fprintf(stderr, "\n\t%i:INSIDE", i);
if (l->flags & LF_lv_in)
fprintf(stderr, "\n\t%i: IN\t", i);
else if (l->flags & LF_lv_out)
fprintf(stderr, "\n\t%i: OUT\t", i);
else if (l->first_ins)
fprintf(stderr, "\n\t%i: INS\t", i);
if (l->flags & LF_use)
fprintf(stderr, "u ");
else if (l->flags & LF_def)
fprintf(stderr, "d ");
else
fprintf(stderr, " ");
if (l->first_ins)
fprintf(stderr, "[%d, %d]\t", l->first_ins->index,
l->last_ins->index);
}
}
fprintf(stderr, "\n");
}
/*
=item C<void dump_interference_graph(const IMC_Unit *unit)>
Dumps the interference graph for the current IMC_Unit C<unit>
=cut
*/
void
dump_interference_graph(ARGIN(const IMC_Unit *unit))
{
ASSERT_ARGS(dump_interference_graph)
int x;
SymReg** const reglist = unit->reglist;
const int n_symbols = unit->n_symbols;
fprintf(stderr, "\nDumping the Interf. graph:"
"\n-------------------------------\n");
for (x = 0; x < n_symbols; x++) {
if (reglist[x]->first_ins) {
int cnt = 0;
int y;
fprintf(stderr, "%s\t -> ", reglist[x]->name);
for (y = 0; y < n_symbols; y++) {
if (ig_test(x, y, n_symbols, unit->interference_graph)) {
const SymReg * const r = unit->reglist[y];
fprintf(stderr, "%s ", r->name);
cnt++;
}
}
fprintf(stderr, "(%d)\n", cnt);
}
}
fprintf(stderr, "\n");
}
/*
=item C<void dump_dominators(const IMC_Unit *unit)>
Dumps the current list of dominators for the current IMC_Unit C<unit>.
=cut
*/
void
dump_dominators(ARGIN(const IMC_Unit *unit))
{
ASSERT_ARGS(dump_dominators)
unsigned int i;
fprintf(stderr, "\nDumping the Dominators Tree:"
"\n-------------------------------\n");
for (i = 0; i < unit->n_basic_blocks; i++) {
unsigned int j;
fprintf(stderr, "%2d <- (%2d)", i, unit->idoms[i]);
for (j = 0; j < unit->n_basic_blocks; j++) {
if (set_contains(unit->dominators[i], j))
fprintf(stderr, " %2d", j);
}
fprintf(stderr, "\n");
}
fprintf(stderr, "\n");
}
/*
=item C<void dump_dominance_frontiers(const IMC_Unit *unit)>
Dumps the list of dominance frontiers for the current IMC_Unit C<unit>.
=cut
*/
void
dump_dominance_frontiers(ARGIN(const IMC_Unit *unit))
{
ASSERT_ARGS(dump_dominance_frontiers)
unsigned int i;
fprintf(stderr, "\nDumping the Dominance Frontiers:"
"\n-------------------------------\n");
for (i = 0; i < unit->n_basic_blocks; i++) {
unsigned int j;
fprintf(stderr, "%2d <-", i);
for (j = 0; j < unit->n_basic_blocks; j++) {
if (set_contains(unit->dominance_frontiers[i], j))
fprintf(stderr, " %2d", j);
}
fprintf(stderr, "\n");
}
fprintf(stderr, "\n");
}
/*
=back
=cut
*/
/*
* Local variables:
* c-file-style: "parrot"
* End:
* vim: expandtab shiftwidth=4:
*/