arm: implement ELF relocations
ELF relocation tables generated with linker option -pie can
be used to fixup code and data in a single loop at relocation,
removing the need for manual fixups anywhere else in the code.
Signed-off-by: Albert Aribaud <albert.aribaud@free.fr>
diff --git a/arch/arm/lib/board.c b/arch/arm/lib/board.c
index 5f2dfd0..e411d93 100644
--- a/arch/arm/lib/board.c
+++ b/arch/arm/lib/board.c
@@ -147,7 +147,7 @@
#else
_armboot_start,
#endif
- _bss_start, _bss_end);
+ _bss_start_ofs+_TEXT_BASE, _bss_end_ofs+_TEXT_BASE);
#ifdef CONFIG_MODEM_SUPPORT
debug ("Modem Support enabled\n");
#endif
@@ -517,7 +517,7 @@
memset ((void*)gd, 0, sizeof (gd_t));
- gd->mon_len = _bss_end - _TEXT_BASE;
+ gd->mon_len = _bss_end_ofs;
for (init_fnc_ptr = init_sequence; *init_fnc_ptr; ++init_fnc_ptr) {
if ((*init_fnc_ptr)() != 0) {
@@ -679,6 +679,7 @@
*
************************************************************************
*/
+
void board_init_r (gd_t *id, ulong dest_addr)
{
char *s;
@@ -702,7 +703,7 @@
gd->flags |= GD_FLG_RELOC; /* tell others: relocation done */
- monitor_flash_len = _bss_start - _TEXT_BASE;
+ monitor_flash_len = _bss_start_ofs;
debug ("monitor flash len: %08lX\n", monitor_flash_len);
board_init(); /* Setup chipselects */
@@ -914,6 +915,7 @@
/* NOTREACHED - no way out of command loop except booting */
}
+
#endif /* defined(CONFIG_SYS_ARM_WITHOUT_RELOC) */
void hang (void)