Handle static and external linkage for BTF subprograms (functions).
Signed-off-by: Will Hawkins <hawkinsw@xxxxxx>
---
btf_loader.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/btf_loader.c b/btf_loader.c
index e0d029a..488c757 100644
--- a/btf_loader.c
+++ b/btf_loader.c
@@ -30,6 +30,9 @@
#include "dutil.h"
#include "dwarves.h"
+static char btf_linkage_name_static[] = "static";
+static char btf_linkage_name_extern[] = "extern";
+
static const char *cu__btf_str(struct cu *cu, uint32_t offset)
{
return offset ? btf__str_by_offset(cu->priv, offset) : NULL;
@@ -87,6 +90,11 @@ static int create_new_function(struct cu *cu, const struct btf_type *tp, uint32_
// for BTF this is not really the type of the return of the function,
// but the prototype, the return type is the one in type_id
func->btf = 1;
+ if (BTF_INFO_VLEN(tp->info) == BTF_FUNC_STATIC)
+ func->linkage_name = btf_linkage_name_static;
+ else if (BTF_INFO_VLEN(tp->info) == BTF_FUNC_EXTERN)
+ func->linkage_name = btf_linkage_name_extern;
+ func->external = BTF_INFO_VLEN(tp->info) == BTF_FUNC_EXTERN;
func->proto.tag.tag = DW_TAG_subprogram;
func->proto.tag.type = tp->type;
func->name = cu__btf_str(cu, tp->name_off);
--
2.45.2
