build(bl31): sort sections by alignment by default
This change forces LD to sort all input sections by alignment when
allocating them within an output section. This is done in some places
explicitly in the linker scripts today, but this makes sure we don't
miss any easy targets.
Change-Id: Iadcd38a66a7a9f4b2af3adbc0487a15091486b17
Signed-off-by: Chris Kay <chris.kay@arm.com>
diff --git a/bl31/bl31.mk b/bl31/bl31.mk
index 4d151ab..9b5cf55 100644
--- a/bl31/bl31.mk
+++ b/bl31/bl31.mk
@@ -159,6 +159,12 @@
BL31_DEFAULT_LINKER_SCRIPT_SOURCE := bl31/bl31.ld.S
+ifneq ($(findstring gcc,$(notdir $(LD))),)
+ BL31_LDFLAGS += -Wl,--sort-section=alignment
+else ifneq ($(findstring ld,$(notdir $(LD))),)
+ BL31_LDFLAGS += --sort-section=alignment
+endif
+
# Flag used to indicate if Crash reporting via console should be included
# in BL31. This defaults to being present in DEBUG builds only
ifndef CRASH_REPORTING