From: Christophe Lyon <christophe.l...@linaro.org>
In FDPIC, we need to make sure __do_global_dtors_aux and frame_dummy
are referenced by their address, not by pointers to the function
descriptors.
2018-XX-XX Christophe Lyon <christophe.l...@st.com>
Mickaël Guêné <mickael.gu...@st.com>
* libgcc/crtstuff.c: Add support for FDPIC.
Change-Id: Iff3aec3815e8ebd87276c0107752f00908a22100
diff --git a/libgcc/crtstuff.c b/libgcc/crtstuff.c
index d81c527..ad40719 100644
--- a/libgcc/crtstuff.c
+++ b/libgcc/crtstuff.c
@@ -429,9 +429,17 @@ __do_global_dtors_aux (void)
#ifdef FINI_SECTION_ASM_OP
CRT_CALL_STATIC_FUNCTION (FINI_SECTION_ASM_OP, __do_global_dtors_aux)
#elif defined (FINI_ARRAY_SECTION_ASM_OP)
+#if defined(__FDPIC__)
+__asm__(
+ " .section .fini_array\n"
+ " .word __do_global_dtors_aux\n"
+);
+asm (TEXT_SECTION_ASM_OP);
+#else /* defined(__FDPIC__) */
static func_ptr __do_global_dtors_aux_fini_array_entry[]
__attribute__ ((__used__, section(".fini_array"), aligned(sizeof(func_ptr))))
= { __do_global_dtors_aux };
+#endif /* defined(__FDPIC__) */
#else /* !FINI_SECTION_ASM_OP && !FINI_ARRAY_SECTION_ASM_OP */
static void __attribute__((used))
__do_global_dtors_aux_1 (void)
@@ -473,9 +481,17 @@ frame_dummy (void)
#ifdef __LIBGCC_INIT_SECTION_ASM_OP__
CRT_CALL_STATIC_FUNCTION (__LIBGCC_INIT_SECTION_ASM_OP__, frame_dummy)
#else /* defined(__LIBGCC_INIT_SECTION_ASM_OP__) */
+#if defined(__FDPIC__)
+__asm__(
+ " .section .init_array\n"
+ " .word frame_dummy\n"
+);
+asm (TEXT_SECTION_ASM_OP);
+#else /* defined(__FDPIC__) */
static func_ptr __frame_dummy_init_array_entry[]
__attribute__ ((__used__, section(".init_array"), aligned(sizeof(func_ptr))))
= { frame_dummy };
+#endif /* defined(__FDPIC__) */
#endif /* !defined(__LIBGCC_INIT_SECTION_ASM_OP__) */
#endif /* USE_EH_FRAME_REGISTRY || USE_TM_CLONE_REGISTRY */
--
2.6.3
