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[RFC 3/13][odr] Add lang field to struct dw_cu
Hi,
Add a lang field to struct dw_cu, such that we can easily test whether a
compilation unit is C++ or not.
Any comments?
Thanks,
- Tom
[odr] Add lang field to struct dw_cu
2019-12-10 Tom de Vries <tdevries@suse.de>
* dwz.c (struct dw_cu): Add lang field.
(read_debug_info): Initialize lang field.
---
dwz.c | 13 +++++++++++--
1 file changed, 11 insertions(+), 2 deletions(-)
diff --git a/dwz.c b/dwz.c
index 5a1f388..4bf3727 100644
--- a/dwz.c
+++ b/dwz.c
@@ -704,6 +704,7 @@ struct dw_cu
/* Intracusize argument to init_new_die_offsets. Set in compute_abbrevs,
used in recompute_abbrevs. */
unsigned int initial_intracusize;
+ enum dwarf_source_language lang;
};
/* Internal representation of a debugging information entry (DIE).
@@ -5630,13 +5631,21 @@ read_debug_info (DSO *dso, int kind, unsigned int *die_count)
break;
case DW_FORM_flag_present:
break;
+ case DW_FORM_data1:
+ if (odr && die->die_tag == DW_TAG_compile_unit
+ && t->attr[i].attr == DW_AT_language)
+ cu->lang = *ptr;
+ /* FALLTHRU */
case DW_FORM_ref1:
case DW_FORM_flag:
- case DW_FORM_data1:
++ptr;
break;
- case DW_FORM_ref2:
case DW_FORM_data2:
+ if (odr && die->die_tag == DW_TAG_compile_unit
+ && t->attr[i].attr == DW_AT_language)
+ cu->lang = do_read_16 (ptr);
+ /* FALLTHRU */
+ case DW_FORM_ref2:
ptr += 2;
break;
case DW_FORM_ref4: