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Emit DW_AT_ranges for inlined subroutines that contain disjoint blocks.

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PR debug/20268
* dwarf2out.c (add_high_low_attributes): New function, extracted from
gen_lexical_block_die.
(gen_lexical_block_die, gen_inlined_subroutine_die): Call it.

From-SVN: r97289
This commit is contained in:
James E Wilson 2005-03-30 15:08:17 -08:00 committed by Jim Wilson
parent cd9c7bd28b
commit fdfa76bdd9
2 changed files with 44 additions and 34 deletions
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7
gcc/ChangeLog
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@ -1,3 +1,10 @@
2005-03-30 James E. Wilson <wilson@specifixinc.com>
PR debug/20268
* dwarf2out.c (add_high_low_attributes): New function, extracted from
gen_lexical_block_die.
(gen_lexical_block_die, gen_inlined_subroutine_die): Call it.
2005-03-31 Jan Hubicka <jh@suse.cz>
2004-11-02 Jan Hubicka <jh@suse.cz>

71
gcc/dwarf2out.c
View File

@ -11578,41 +11578,49 @@ gen_label_die (tree decl, dw_die_ref context_die)
}
}
/* A helper function for gen_lexical_block_die and gen_inlined_subroutine_die.
Add low_pc and high_pc attributes to the DIE for a block STMT. */
static inline void
add_high_low_attributes (tree stmt, dw_die_ref die)
{
char label[MAX_ARTIFICIAL_LABEL_BYTES];
if (BLOCK_FRAGMENT_CHAIN (stmt))
{
tree chain;
add_AT_range_list (die, DW_AT_ranges, add_ranges (stmt));
chain = BLOCK_FRAGMENT_CHAIN (stmt);
do
{
add_ranges (chain);
chain = BLOCK_FRAGMENT_CHAIN (chain);
}
while (chain);
add_ranges (NULL);
}
else
{
ASM_GENERATE_INTERNAL_LABEL (label, BLOCK_BEGIN_LABEL,
BLOCK_NUMBER (stmt));
add_AT_lbl_id (die, DW_AT_low_pc, label);
ASM_GENERATE_INTERNAL_LABEL (label, BLOCK_END_LABEL,
BLOCK_NUMBER (stmt));
add_AT_lbl_id (die, DW_AT_high_pc, label);
}
}
/* Generate a DIE for a lexical block. */
static void
gen_lexical_block_die (tree stmt, dw_die_ref context_die, int depth)
{
dw_die_ref stmt_die = new_die (DW_TAG_lexical_block, context_die, stmt);
char label[MAX_ARTIFICIAL_LABEL_BYTES];
if (! BLOCK_ABSTRACT (stmt))
{
if (BLOCK_FRAGMENT_CHAIN (stmt))
{
tree chain;
add_AT_range_list (stmt_die, DW_AT_ranges, add_ranges (stmt));
chain = BLOCK_FRAGMENT_CHAIN (stmt);
do
{
add_ranges (chain);
chain = BLOCK_FRAGMENT_CHAIN (chain);
}
while (chain);
add_ranges (NULL);
}
else
{
ASM_GENERATE_INTERNAL_LABEL (label, BLOCK_BEGIN_LABEL,
BLOCK_NUMBER (stmt));
add_AT_lbl_id (stmt_die, DW_AT_low_pc, label);
ASM_GENERATE_INTERNAL_LABEL (label, BLOCK_END_LABEL,
BLOCK_NUMBER (stmt));
add_AT_lbl_id (stmt_die, DW_AT_high_pc, label);
}
}
add_high_low_attributes (stmt, stmt_die);
decls_for_scope (stmt, stmt_die, depth);
}
@ -11634,15 +11642,10 @@ gen_inlined_subroutine_die (tree stmt, dw_die_ref context_die, int depth)
{
dw_die_ref subr_die
= new_die (DW_TAG_inlined_subroutine, context_die, stmt);
char label[MAX_ARTIFICIAL_LABEL_BYTES];
add_abstract_origin_attribute (subr_die, decl);
ASM_GENERATE_INTERNAL_LABEL (label, BLOCK_BEGIN_LABEL,
BLOCK_NUMBER (stmt));
add_AT_lbl_id (subr_die, DW_AT_low_pc, label);
ASM_GENERATE_INTERNAL_LABEL (label, BLOCK_END_LABEL,
BLOCK_NUMBER (stmt));
add_AT_lbl_id (subr_die, DW_AT_high_pc, label);
add_high_low_attributes (stmt, subr_die);
decls_for_scope (stmt, subr_die, depth);
current_function_has_inlines = 1;
}