Use --gc-sections during link
All common functions are being built into all binary images,
whether or not they are actually used. This change enables the
use of -ffunction-sections, -fdata-sections and --gc-sections
in the compiler and linker to remove unused code and data from
the images.
Change-Id: Ia9f78c01054ac4fa15d145af38b88a0d6fb7d409
diff --git a/bl31/bl31.ld.S b/bl31/bl31.ld.S
index 844f169..1b818f5 100644
--- a/bl31/bl31.ld.S
+++ b/bl31/bl31.ld.S
@@ -48,14 +48,14 @@
ro . : {
__RO_START__ = .;
- *bl31_entrypoint.o(.text)
- *(.text)
+ *bl31_entrypoint.o(.text*)
+ *(.text*)
*(.rodata*)
- /* Ensure 8-byte alignment for descriptors */
+ /* Ensure 8-byte alignment for descriptors and ensure inclusion */
. = ALIGN(8);
__RT_SVC_DESCS_START__ = .;
- *(rt_svc_descs)
+ KEEP(*(rt_svc_descs))
__RT_SVC_DESCS_END__ = .;
*(.vectors)
@@ -71,7 +71,7 @@
.data . : {
__DATA_START__ = .;
- *(.data)
+ *(.data*)
__DATA_END__ = .;
} >RAM
@@ -87,7 +87,7 @@
*/
.bss : ALIGN(16) {
__BSS_START__ = .;
- *(.bss)
+ *(.bss*)
*(COMMON)
__BSS_END__ = .;
} >RAM