static void
xcoffout_block (tree block, int depth, tree args)
{
while (block)
{
/* Ignore blocks never expanded or otherwise marked as real. */
if (TREE_USED (block))
{
/* When we reach the specified block, output its symbols. */
if (BLOCK_NUMBER (block) == do_block)
{
/* Output the syms of the block. */
if (debug_info_level != DINFO_LEVEL_TERSE || depth == 0)
dbxout_syms (BLOCK_VARS (block));
if (args)
dbxout_reg_parms (args);
/* We are now done with the block. Don't go to inner blocks. */
return;
}
/* If we are past the specified block, stop the scan. */
else if (BLOCK_NUMBER (block) >= do_block)
return;
/* Output the subblocks. */
xcoffout_block (BLOCK_SUBBLOCKS (block), depth + 1, NULL_TREE);
}
block = BLOCK_CHAIN (block);
}
}
/* Return sope resulting from combination of S1 and S2. */
tree
choose_inner_scope (tree s1, tree s2)
{
if (!s1)
return s2;
if (!s2)
return s1;
if (BLOCK_NUMBER (s1) > BLOCK_NUMBER (s2))
return s1;
return s2;
}
static void
set_block_levels (tree block, int level)
{
while (block)
{
BLOCK_NUMBER (block) = level;
set_block_levels (BLOCK_SUBBLOCKS (block), level + 1);
block = BLOCK_CHAIN (block);
}
}
static void
change_scope (rtx orig_insn, tree s1, tree s2)
{
rtx insn = orig_insn;
tree com = NULL_TREE;
tree ts1 = s1, ts2 = s2;
tree s;
while (ts1 != ts2)
{
if (ts1 == NULL || ts2 == NULL)
abort ();
if (BLOCK_NUMBER (ts1) > BLOCK_NUMBER (ts2))
ts1 = BLOCK_SUPERCONTEXT (ts1);
else if (BLOCK_NUMBER (ts1) < BLOCK_NUMBER (ts2))
ts2 = BLOCK_SUPERCONTEXT (ts2);
else
{
ts1 = BLOCK_SUPERCONTEXT (ts1);
ts2 = BLOCK_SUPERCONTEXT (ts2);
}
}
com = ts1;
/* Close scopes. */
s = s1;
while (s != com)
{
rtx note = emit_note_before (NOTE_INSN_BLOCK_END, insn);
NOTE_BLOCK (note) = s;
s = BLOCK_SUPERCONTEXT (s);
}
/* Open scopes. */
s = s2;
while (s != com)
{
insn = emit_note_before (NOTE_INSN_BLOCK_BEG, insn);
NOTE_BLOCK (insn) = s;
s = BLOCK_SUPERCONTEXT (s);
}
}
static void
sdbout_block (tree block)
{
while (block)
{
/* Ignore blocks never expanded or otherwise marked as real. */
if (TREE_USED (block))
{
/* When we reach the specified block, output its symbols. */
if (BLOCK_NUMBER (block) == do_block)
sdbout_syms (BLOCK_VARS (block));
/* If we are past the specified block, stop the scan. */
if (BLOCK_NUMBER (block) > do_block)
return;
/* Scan the blocks within this block. */
sdbout_block (BLOCK_SUBBLOCKS (block));
}
block = BLOCK_CHAIN (block);
}
}
void
print_insn (pretty_printer *pp, const_rtx x, int verbose)
{
if (verbose)
{
/* Blech, pretty-print can't print integers with a specified width. */
char uid_prefix[32];
snprintf (uid_prefix, sizeof uid_prefix, " %4d: ", INSN_UID (x));
pp_string (pp, uid_prefix);
}
switch (GET_CODE (x))
{
case INSN:
print_pattern (pp, PATTERN (x), verbose);
break;
case DEBUG_INSN:
{
const char *name = "?";
if (DECL_P (INSN_VAR_LOCATION_DECL (x)))
{
tree id = DECL_NAME (INSN_VAR_LOCATION_DECL (x));
char idbuf[32];
if (id)
name = IDENTIFIER_POINTER (id);
else if (TREE_CODE (INSN_VAR_LOCATION_DECL (x))
== DEBUG_EXPR_DECL)
{
sprintf (idbuf, "D#%i",
DEBUG_TEMP_UID (INSN_VAR_LOCATION_DECL (x)));
name = idbuf;
}
else
{
sprintf (idbuf, "D.%i",
DECL_UID (INSN_VAR_LOCATION_DECL (x)));
name = idbuf;
}
}
pp_printf (pp, "debug %s => ", name);
if (VAR_LOC_UNKNOWN_P (INSN_VAR_LOCATION_LOC (x)))
pp_string (pp, "optimized away");
else
print_pattern (pp, INSN_VAR_LOCATION_LOC (x), verbose);
}
break;
case JUMP_INSN:
print_pattern (pp, PATTERN (x), verbose);
break;
case CALL_INSN:
if (GET_CODE (PATTERN (x)) == PARALLEL)
print_pattern (pp, XVECEXP (PATTERN (x), 0, 0), verbose);
else
print_pattern (pp, PATTERN (x), verbose);
break;
case CODE_LABEL:
pp_printf (pp, "L%d:", INSN_UID (x));
break;
case JUMP_TABLE_DATA:
pp_string (pp, "jump_table_data{\n");
print_pattern (pp, PATTERN (x), verbose);
pp_right_brace (pp);
break;
case BARRIER:
pp_string (pp, "barrier");
break;
case NOTE:
{
pp_string (pp, GET_NOTE_INSN_NAME (NOTE_KIND (x)));
switch (NOTE_KIND (x))
{
case NOTE_INSN_EH_REGION_BEG:
case NOTE_INSN_EH_REGION_END:
pp_printf (pp, " %d", NOTE_EH_HANDLER (x));
break;
case NOTE_INSN_BLOCK_BEG:
case NOTE_INSN_BLOCK_END:
pp_printf (pp, " %d", BLOCK_NUMBER (NOTE_BLOCK (x)));
break;
case NOTE_INSN_BASIC_BLOCK:
pp_printf (pp, " %d", NOTE_BASIC_BLOCK (x)->index);
break;
case NOTE_INSN_DELETED_LABEL:
case NOTE_INSN_DELETED_DEBUG_LABEL:
{
const char *label = NOTE_DELETED_LABEL_NAME (x);
if (label == NULL)
label = "";
pp_printf (pp, " (\"%s\")", label);
}
break;
case NOTE_INSN_VAR_LOCATION:
case NOTE_INSN_CALL_ARG_LOCATION:
pp_left_brace (pp);
print_pattern (pp, NOTE_VAR_LOCATION (x), verbose);
pp_right_brace (pp);
break;
default:
break;
}
break;
}
default:
gcc_unreachable ();
}
} /* print_insn */
Record the function's starting line number, so we can output
relative line numbers for the other lines.
Record the file name that this function is contained in. */
void
xcoffout_begin_prologue (unsigned int line,
const char *file ATTRIBUTE_UNUSED)
{
ASM_OUTPUT_LFB (asm_out_file, line);
dbxout_parms (DECL_ARGUMENTS (current_function_decl));
/* Emit the symbols for the outermost BLOCK's variables. sdbout.c does this
in sdbout_begin_block, but there is no guarantee that there will be any
inner block 1, so we must do it here. This gives a result similar to
dbxout, so it does make some sense. */
do_block = BLOCK_NUMBER (DECL_INITIAL (current_function_decl));
xcoffout_block (DECL_INITIAL (current_function_decl), 0,
DECL_ARGUMENTS (current_function_decl));
ASM_OUTPUT_LINE (asm_out_file, line);
}
/* Called at end of function (before epilogue).
Describe end of outermost block. */
void
xcoffout_end_function (unsigned int last_linenum)
{
ASM_OUTPUT_LFE (asm_out_file, last_linenum);
}