diff options
Diffstat (limited to 'arch/arm/kernel/vmlinux.lds.h')
-rw-r--r-- | arch/arm/kernel/vmlinux.lds.h | 137 |
1 files changed, 137 insertions, 0 deletions
diff --git a/arch/arm/kernel/vmlinux.lds.h b/arch/arm/kernel/vmlinux.lds.h new file mode 100644 index 000000000000..8247bc15addc --- /dev/null +++ b/arch/arm/kernel/vmlinux.lds.h @@ -0,0 +1,137 @@ +/* SPDX-License-Identifier: GPL-2.0 */ + +#ifdef CONFIG_HOTPLUG_CPU +#define ARM_CPU_DISCARD(x) +#define ARM_CPU_KEEP(x) x +#else +#define ARM_CPU_DISCARD(x) x +#define ARM_CPU_KEEP(x) +#endif + +#if (defined(CONFIG_SMP_ON_UP) && !defined(CONFIG_DEBUG_SPINLOCK)) || \ + defined(CONFIG_GENERIC_BUG) || defined(CONFIG_JUMP_LABEL) +#define ARM_EXIT_KEEP(x) x +#define ARM_EXIT_DISCARD(x) +#else +#define ARM_EXIT_KEEP(x) +#define ARM_EXIT_DISCARD(x) x +#endif + +#ifdef CONFIG_MMU +#define ARM_MMU_KEEP(x) x +#define ARM_MMU_DISCARD(x) +#else +#define ARM_MMU_KEEP(x) +#define ARM_MMU_DISCARD(x) x +#endif + +#define PROC_INFO \ + . = ALIGN(4); \ + __proc_info_begin = .; \ + *(.proc.info.init) \ + __proc_info_end = .; + +#define HYPERVISOR_TEXT \ + __hyp_text_start = .; \ + *(.hyp.text) \ + __hyp_text_end = .; + +#define IDMAP_TEXT \ + ALIGN_FUNCTION(); \ + __idmap_text_start = .; \ + *(.idmap.text) \ + __idmap_text_end = .; \ + . = ALIGN(PAGE_SIZE); \ + __hyp_idmap_text_start = .; \ + *(.hyp.idmap.text) \ + __hyp_idmap_text_end = .; + +#define ARM_DISCARD \ + *(.ARM.exidx.exit.text) \ + *(.ARM.extab.exit.text) \ + *(.ARM.exidx.text.exit) \ + *(.ARM.extab.text.exit) \ + ARM_CPU_DISCARD(*(.ARM.exidx.cpuexit.text)) \ + ARM_CPU_DISCARD(*(.ARM.extab.cpuexit.text)) \ + ARM_EXIT_DISCARD(EXIT_TEXT) \ + ARM_EXIT_DISCARD(EXIT_DATA) \ + EXIT_CALL \ + ARM_MMU_DISCARD(*(.text.fixup)) \ + ARM_MMU_DISCARD(*(__ex_table)) \ + *(.discard) \ + *(.discard.*) + +#define ARM_TEXT \ + IDMAP_TEXT \ + __entry_text_start = .; \ + *(.entry.text) \ + __entry_text_end = .; \ + IRQENTRY_TEXT \ + SOFTIRQENTRY_TEXT \ + TEXT_TEXT \ + SCHED_TEXT \ + CPUIDLE_TEXT \ + LOCK_TEXT \ + HYPERVISOR_TEXT \ + KPROBES_TEXT \ + *(.gnu.warning) \ + *(.glue_7) \ + *(.glue_7t) \ + . = ALIGN(4); \ + *(.got) /* Global offset table */ \ + ARM_CPU_KEEP(PROC_INFO) + +/* Stack unwinding tables */ +#define ARM_UNWIND_SECTIONS \ + . = ALIGN(8); \ + .ARM.unwind_idx : { \ + __start_unwind_idx = .; \ + *(.ARM.exidx*) \ + __stop_unwind_idx = .; \ + } \ + .ARM.unwind_tab : { \ + __start_unwind_tab = .; \ + *(.ARM.extab*) \ + __stop_unwind_tab = .; \ + } + +/* + * The vectors and stubs are relocatable code, and the + * only thing that matters is their relative offsets + */ +#define ARM_VECTORS \ + __vectors_start = .; \ + .vectors 0xffff0000 : AT(__vectors_start) { \ + *(.vectors) \ + } \ + . = __vectors_start + SIZEOF(.vectors); \ + __vectors_end = .; \ + \ + __stubs_start = .; \ + .stubs ADDR(.vectors) + 0x1000 : AT(__stubs_start) { \ + *(.stubs) \ + } \ + . = __stubs_start + SIZEOF(.stubs); \ + __stubs_end = .; \ + \ + PROVIDE(vector_fiq_offset = vector_fiq - ADDR(.vectors)); + +#define ARM_TCM \ + __itcm_start = ALIGN(4); \ + .text_itcm ITCM_OFFSET : AT(__itcm_start - LOAD_OFFSET) { \ + __sitcm_text = .; \ + *(.tcm.text) \ + *(.tcm.rodata) \ + . = ALIGN(4); \ + __eitcm_text = .; \ + } \ + . = __itcm_start + SIZEOF(.text_itcm); \ + \ + __dtcm_start = .; \ + .data_dtcm DTCM_OFFSET : AT(__dtcm_start - LOAD_OFFSET) { \ + __sdtcm_data = .; \ + *(.tcm.data) \ + . = ALIGN(4); \ + __edtcm_data = .; \ + } \ + . = __dtcm_start + SIZEOF(.data_dtcm); |