[RFC dwarves 2/5] dwarf_loader: Add name to inline expansion

[Alan Maguire <alan.maguire@oracle.com>]

From: Thierry Treyer <ttreyer@meta.com>

Add the name field to inline expansion. It contains the name of the
abstract origin. The name can be used to locate the origin function.

Signed-off-by: Thierry Treyer <ttreyer@meta.com>
---
 dwarf_loader.c | 9 +++++++++
 dwarves.h      | 1 +
 2 files changed, 10 insertions(+)

diff --git a/dwarf_loader.c b/dwarf_loader.c
index e19414d..4656575 100644
--- a/dwarf_loader.c
+++ b/dwarf_loader.c
@@ -1375,6 +1375,15 @@ static struct inline_expansion *inline_expansion__new(Dwarf_Die *die, struct cu
 		dtag->decl_file = attr_string(die, DW_AT_call_file, conf);
 		dtag->decl_line = attr_numeric(die, DW_AT_call_line);
 		dwarf_tag__set_attr_type(dtag, type, die, DW_AT_abstract_origin);
+
+		Dwarf_Attribute attr_orig;
+		if (dwarf_attr(die, DW_AT_abstract_origin, &attr_orig)) {
+			Dwarf_Die die_orig;
+			if (dwarf_formref_die(&attr_orig, &die_orig)) {
+				exp->name = attr_string(&die_orig, DW_AT_name, conf);
+			}
+		}
+
 		exp->ip.addr = 0;
 		exp->high_pc = 0;
 		exp->nr_parms = 0;
diff --git a/dwarves.h b/dwarves.h
index 4e91e8f..284bc02 100644
--- a/dwarves.h
+++ b/dwarves.h
@@ -821,6 +821,7 @@ struct ip_tag {
 
 struct inline_expansion {
 	struct ip_tag	 ip;
+	const char	 *name;
 	size_t		 size;
 	uint64_t	 high_pc;
 	struct list_head parms;
-- 
2.39.3