diff options
Diffstat (limited to 'bl32/tsp/tsp.ld.S')
| -rw-r--r-- | bl32/tsp/tsp.ld.S | 40 |
1 files changed, 39 insertions, 1 deletions
diff --git a/bl32/tsp/tsp.ld.S b/bl32/tsp/tsp.ld.S index e9a1df168..592e24557 100644 --- a/bl32/tsp/tsp.ld.S +++ b/bl32/tsp/tsp.ld.S @@ -1,5 +1,5 @@ /* - * Copyright (c) 2013-2018, ARM Limited and Contributors. All rights reserved. + * Copyright (c) 2013-2020, ARM Limited and Contributors. All rights reserved. * * SPDX-License-Identifier: BSD-3-Clause */ @@ -36,6 +36,17 @@ SECTIONS .rodata . : { __RODATA_START__ = .; *(.rodata*) + + /* + * Keep the .got section in the RO section as it is patched + * prior to enabling the MMU and having the .got in RO is better for + * security. GOT is a table of addresses so ensure 8-byte alignment. + */ + . = ALIGN(8); + __GOT_START__ = .; + *(.got) + __GOT_END__ = .; + . = ALIGN(PAGE_SIZE); __RODATA_END__ = .; } >RAM @@ -45,7 +56,19 @@ SECTIONS *tsp_entrypoint.o(.text*) *(.text*) *(.rodata*) + + /* + * Keep the .got section in the RO section as it is patched + * prior to enabling the MMU and having the .got in RO is better for + * security. GOT is a table of addresses so ensure 8-byte alignment. + */ + . = ALIGN(8); + __GOT_START__ = .; + *(.got) + __GOT_END__ = .; + *(.vectors) + __RO_END_UNALIGNED__ = .; /* * Memory page(s) mapped to this section will be marked as @@ -69,6 +92,17 @@ SECTIONS __DATA_END__ = .; } >RAM + /* + * .rela.dyn needs to come after .data for the read-elf utility to parse + * this section correctly. Ensure 8-byte alignment so that the fields of + * RELA data structure are aligned. + */ + . = ALIGN(8); + __RELA_START__ = .; + .rela.dyn . : { + } >RAM + __RELA_END__ = .; + #ifdef TSP_PROGBITS_LIMIT ASSERT(. <= TSP_PROGBITS_LIMIT, "TSP progbits has exceeded its limit.") #endif @@ -129,6 +163,10 @@ SECTIONS __RW_END__ = .; __BL32_END__ = .; + /DISCARD/ : { + *(.dynsym .dynstr .hash .gnu.hash) + } + __BSS_SIZE__ = SIZEOF(.bss); #if USE_COHERENT_MEM __COHERENT_RAM_UNALIGNED_SIZE__ = |