[PATCH v2 4/9] compile: Support relocation to GNU-IFUNCs

Jan Kratochvil
2015-04-06T17:26:59Z

The 'compile print' part disclosed that calling memcpy() may fail as memcpy()
from libc is GNU-IFUNC.

gdb/ChangeLog
2015-04-06 Jan Kratochvil <jan.kratochvil@redhat.com>

* compile/compile-object-load.c (compile_object_load): Support
mst_text_gnu_ifunc.
---
gdb/compile/compile-object-load.c | 4 ++++
1 file changed, 4 insertions(+)

diff --git a/gdb/compile/compile-object-load.c b/gdb/compile/compile-object-load.c
index 70b2e2e..ed2cad4 100644
--- a/gdb/compile/compile-object-load.c
+++ b/gdb/compile/compile-object-load.c
@@ -555,6 +555,10 @@ compile_object_load (const char *object_file, const char *source_file,
case mst_text:
sym->value = BMSYMBOL_VALUE_ADDRESS (bmsym);
break;
+ case mst_text_gnu_ifunc:
+ sym->value = gnu_ifunc_resolve_addr (target_gdbarch (),
+ BMSYMBOL_VALUE_ADDRESS (bmsym));
+ break;
default:
warning (_("Could not find symbol \"%s\" "
"for compiled module \"%s\"."),