summaryrefslogtreecommitdiff
path: root/arch/s390/kernel/vmlinux.lds.S
diff options
context:
space:
mode:
Diffstat (limited to 'arch/s390/kernel/vmlinux.lds.S')
-rw-r--r--arch/s390/kernel/vmlinux.lds.S60
1 files changed, 42 insertions, 18 deletions
diff --git a/arch/s390/kernel/vmlinux.lds.S b/arch/s390/kernel/vmlinux.lds.S
index e32ef446f451..ff1ddba96352 100644
--- a/arch/s390/kernel/vmlinux.lds.S
+++ b/arch/s390/kernel/vmlinux.lds.S
@@ -39,7 +39,7 @@ PHDRS {
SECTIONS
{
- . = 0x100000;
+ . = TEXT_OFFSET;
.text : {
_stext = .; /* Start of text section */
_text = .; /* Text and read-only data */
@@ -52,7 +52,6 @@ SECTIONS
SOFTIRQENTRY_TEXT
FTRACE_HOTPATCH_TRAMPOLINES_TEXT
*(.text.*_indirect_*)
- *(.fixup)
*(.gnu.warning)
. = ALIGN(PAGE_SIZE);
_etext = .; /* End of text section */
@@ -72,7 +71,19 @@ SECTIONS
. = ALIGN(PAGE_SIZE);
__end_ro_after_init = .;
+ .data.rel.ro : {
+ *(.data.rel.ro .data.rel.ro.*)
+ }
+ .got : {
+ __got_start = .;
+ *(.got)
+ __got_end = .;
+ }
+
RW_DATA(0x100, PAGE_SIZE, THREAD_SIZE)
+ .data.rel : {
+ *(.data.rel*)
+ }
BOOT_DATA_PRESERVED
. = ALIGN(8);
@@ -172,25 +183,16 @@ SECTIONS
.amode31.data : {
*(.amode31.data)
}
- . = ALIGN(PAGE_SIZE);
+ . = _samode31 + AMODE31_SIZE;
_eamode31 = .;
/* early.c uses stsi, which requires page aligned data. */
. = ALIGN(PAGE_SIZE);
INIT_DATA_SECTION(0x100)
- PERCPU_SECTION(0x100)
+ RUNTIME_CONST_VARIABLES
- .dynsym ALIGN(8) : {
- __dynsym_start = .;
- *(.dynsym)
- __dynsym_end = .;
- }
- .rela.dyn ALIGN(8) : {
- __rela_dyn_start = .;
- *(.rela*)
- __rela_dyn_end = .;
- }
+ PERCPU_SECTION(0x100)
. = ALIGN(PAGE_SIZE);
__init_end = .; /* freed after init ends here */
@@ -205,7 +207,6 @@ SECTIONS
* it should match struct vmlinux_info
*/
.vmlinux.info 0 (INFO) : {
- QUAD(_stext) /* default_lma */
QUAD(startup_continue) /* entry */
QUAD(__bss_start - _stext) /* image_size */
QUAD(__bss_stop - __bss_start) /* bss_size */
@@ -214,13 +215,14 @@ SECTIONS
QUAD(__boot_data_preserved_start) /* bootdata_preserved_off */
QUAD(__boot_data_preserved_end -
__boot_data_preserved_start) /* bootdata_preserved_size */
- QUAD(__dynsym_start) /* dynsym_start */
- QUAD(__rela_dyn_start) /* rela_dyn_start */
- QUAD(__rela_dyn_end) /* rela_dyn_end */
+ QUAD(__got_start) /* got_start */
+ QUAD(__got_end) /* got_end */
QUAD(_eamode31 - _samode31) /* amode31_size */
QUAD(init_mm)
QUAD(swapper_pg_dir)
QUAD(invalid_pg_dir)
+ QUAD(__alt_instructions)
+ QUAD(__alt_instructions_end)
#ifdef CONFIG_KASAN
QUAD(kasan_early_shadow_page)
QUAD(kasan_early_shadow_pte)
@@ -235,6 +237,28 @@ SECTIONS
DWARF_DEBUG
ELF_DETAILS
+ /*
+ * Make sure that the .got.plt is either completely empty or it
+ * contains only the three reserved double words.
+ */
+ .got.plt : {
+ *(.got.plt)
+ }
+ ASSERT(SIZEOF(.got.plt) == 0 || SIZEOF(.got.plt) == 0x18, "Unexpected GOT/PLT entries detected!")
+
+ /*
+ * Sections that should stay zero sized, which is safer to
+ * explicitly check instead of blindly discarding.
+ */
+ .plt : {
+ *(.plt) *(.plt.*) *(.iplt) *(.igot .igot.plt)
+ }
+ ASSERT(SIZEOF(.plt) == 0, "Unexpected run-time procedure linkages detected!")
+ .rela.dyn : {
+ *(.rela.*) *(.rela_*)
+ }
+ ASSERT(SIZEOF(.rela.dyn) == 0, "Unexpected run-time relocations (.rela) detected!")
+
/* Sections to be discarded */
DISCARDS
/DISCARD/ : {