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Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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#define SOFT_MASK_TABLE(align) \ . = ALIGN(align); \ __soft_mask_table : AT(ADDR(__soft_mask_table) - LOAD_OFFSET) { \ __start___soft_mask_table = .; \ KEEP(*(__soft_mask_table)) \ __stop___soft_mask_table = .; \ }
#define RESTART_TABLE(align) \ . = ALIGN(align); \ __restart_table : AT(ADDR(__restart_table) - LOAD_OFFSET) { \ __start___restart_table = .; \ KEEP(*(__restart_table)) \ __stop___restart_table = .; \ }
#include <asm/page.h>#include <asm-generic/vmlinux.lds.h>#include <asm/cache.h>#include <asm/thread_info.h>
#define STRICT_ALIGN_SIZE (1 << CONFIG_DATA_SHIFT)
#if STRICT_ALIGN_SIZE < PAGE_SIZE#error "CONFIG_DATA_SHIFT must be >= PAGE_SHIFT"#endif
ENTRY(_stext)
PHDRS { text PT_LOAD FLAGS(7); /* RWX */ note PT_NOTE FLAGS(0);}
#ifdef CONFIG_PPC64OUTPUT_ARCH(powerpc:common64)jiffies = jiffies_64;#elseOUTPUT_ARCH(powerpc:common)jiffies = jiffies_64 + 4;#endifSECTIONS{ . = KERNELBASE;
/* * Text, read only data and other permanent read-only sections */
_text = .; _stext = .;
/* * Head text. * This needs to be in its own output section to avoid ld placing * branch trampoline stubs randomly throughout the fixed sections, * which it will do (even if the branch comes from another section) * in order to optimize stub generation. */ .head.text : AT(ADDR(.head.text) - LOAD_OFFSET) {#ifdef CONFIG_PPC64 KEEP(*(.head.text.first_256B));#ifdef CONFIG_PPC_BOOK3E_64#else KEEP(*(.head.text.real_vectors)); *(.head.text.real_trampolines); KEEP(*(.head.text.virt_vectors)); *(.head.text.virt_trampolines);# if defined(CONFIG_PPC_PSERIES) || defined(CONFIG_PPC_POWERNV) KEEP(*(.head.data.fwnmi_page));# endif#endif#else /* !CONFIG_PPC64 */ HEAD_TEXT#endif } :text
__head_end = .;
#ifdef CONFIG_PPC64 /* * ALIGN(0) overrides the default output section alignment because * this needs to start right after .head.text in order for fixed * section placement to work. */ .text ALIGN(0) : AT(ADDR(.text) - LOAD_OFFSET) {#ifdef CONFIG_LD_HEAD_STUB_CATCH KEEP(*(.linker_stub_catch)); . = . ;#endif
#else .text : AT(ADDR(.text) - LOAD_OFFSET) { ALIGN_FUNCTION();#endif /* careful! __ftr_alt_* sections need to be close to .text */ *(.text.hot .text.hot.* TEXT_MAIN .text.fixup .text.unlikely .text.unlikely.* .fixup __ftr_alt_* .ref.text); *(.tramp.ftrace.text); NOINSTR_TEXT SCHED_TEXT LOCK_TEXT KPROBES_TEXT IRQENTRY_TEXT SOFTIRQENTRY_TEXT /* * -Os builds call FP save/restore functions. The powerpc64 * linker generates those on demand in the .sfpr section. * .sfpr gets placed at the beginning of a group of input * sections, which can break start-of-text offset if it is * included with the main text sections, so put it by itself. */ *(.sfpr); *(.text.asan.* .text.tsan.*) } :text
. = ALIGN(PAGE_SIZE); _etext = .;
/* Read-only data */ RO_DATA(PAGE_SIZE)
#ifdef CONFIG_PPC32 .sdata2 : AT(ADDR(.sdata2) - LOAD_OFFSET) { *(.sdata2) }#endif
.data.rel.ro : AT(ADDR(.data.rel.ro) - LOAD_OFFSET) { *(.data.rel.ro .data.rel.ro.*) }
.branch_lt : AT(ADDR(.branch_lt) - LOAD_OFFSET) { *(.branch_lt) }
#ifdef CONFIG_PPC32 .got1 : AT(ADDR(.got1) - LOAD_OFFSET) { *(.got1) } .got2 : AT(ADDR(.got2) - LOAD_OFFSET) { __got2_start = .; *(.got2) __got2_end = .; } .got : AT(ADDR(.got) - LOAD_OFFSET) { *(.got) *(.got.plt) } .plt : AT(ADDR(.plt) - LOAD_OFFSET) { /* XXX: is .plt (and .got.plt) required? */ *(.plt) }
#else /* CONFIG_PPC32 */#ifndef CONFIG_PPC_KERNEL_PCREL .toc1 : AT(ADDR(.toc1) - LOAD_OFFSET) { *(.toc1) }#endif
.got : AT(ADDR(.got) - LOAD_OFFSET) ALIGN(256) {#ifdef CONFIG_PPC_KERNEL_PCREL *(.got)#else *(.got .toc)#endif }
SOFT_MASK_TABLE(8) RESTART_TABLE(8)
#ifdef CONFIG_PPC64_ELF_ABI_V1 .opd : AT(ADDR(.opd) - LOAD_OFFSET) { __start_opd = .; KEEP(*(.opd)) __end_opd = .; }#endif
. = ALIGN(8); __stf_entry_barrier_fixup : AT(ADDR(__stf_entry_barrier_fixup) - LOAD_OFFSET) { __start___stf_entry_barrier_fixup = .; *(__stf_entry_barrier_fixup) __stop___stf_entry_barrier_fixup = .; }
. = ALIGN(8); __uaccess_flush_fixup : AT(ADDR(__uaccess_flush_fixup) - LOAD_OFFSET) { __start___uaccess_flush_fixup = .; *(__uaccess_flush_fixup) __stop___uaccess_flush_fixup = .; }
. = ALIGN(8); __entry_flush_fixup : AT(ADDR(__entry_flush_fixup) - LOAD_OFFSET) { __start___entry_flush_fixup = .; *(__entry_flush_fixup) __stop___entry_flush_fixup = .; }
. = ALIGN(8); __scv_entry_flush_fixup : AT(ADDR(__scv_entry_flush_fixup) - LOAD_OFFSET) { __start___scv_entry_flush_fixup = .; *(__scv_entry_flush_fixup) __stop___scv_entry_flush_fixup = .; }
. = ALIGN(8); __stf_exit_barrier_fixup : AT(ADDR(__stf_exit_barrier_fixup) - LOAD_OFFSET) { __start___stf_exit_barrier_fixup = .; *(__stf_exit_barrier_fixup) __stop___stf_exit_barrier_fixup = .; }
. = ALIGN(8); __rfi_flush_fixup : AT(ADDR(__rfi_flush_fixup) - LOAD_OFFSET) { __start___rfi_flush_fixup = .; *(__rfi_flush_fixup) __stop___rfi_flush_fixup = .; }#endif /* CONFIG_PPC32 */
#ifdef CONFIG_PPC_BARRIER_NOSPEC . = ALIGN(8); __spec_barrier_fixup : AT(ADDR(__spec_barrier_fixup) - LOAD_OFFSET) { __start___barrier_nospec_fixup = .; *(__barrier_nospec_fixup) __stop___barrier_nospec_fixup = .; }#endif /* CONFIG_PPC_BARRIER_NOSPEC */
#ifdef CONFIG_PPC_E500 . = ALIGN(8); __spec_btb_flush_fixup : AT(ADDR(__spec_btb_flush_fixup) - LOAD_OFFSET) { __start__btb_flush_fixup = .; *(__btb_flush_fixup) __stop__btb_flush_fixup = .; }#endif
/* * Various code relies on __init_begin being at the strict RWX boundary. */ . = ALIGN(STRICT_ALIGN_SIZE); __srwx_boundary = .; __end_rodata = .; __init_begin = .;
/* * Init sections discarded at runtime */ .init.text : AT(ADDR(.init.text) - LOAD_OFFSET) { _sinittext = .; INIT_TEXT *(.tramp.ftrace.init); /* *.init.text might be RO so we must ensure this section ends on * a page boundary. */ . = ALIGN(PAGE_SIZE); _einittext = .; } :text
/* .exit.text is discarded at runtime, not link time, * to deal with references from __bug_table */ .exit.text : AT(ADDR(.exit.text) - LOAD_OFFSET) { __exittext_begin = .; EXIT_TEXT __exittext_end = .; }
. = ALIGN(PAGE_SIZE);
INIT_DATA_SECTION(16)
. = ALIGN(8); __ftr_fixup : AT(ADDR(__ftr_fixup) - LOAD_OFFSET) { __start___ftr_fixup = .; KEEP(*(__ftr_fixup)) __stop___ftr_fixup = .; } . = ALIGN(8); __mmu_ftr_fixup : AT(ADDR(__mmu_ftr_fixup) - LOAD_OFFSET) { __start___mmu_ftr_fixup = .; KEEP(*(__mmu_ftr_fixup)) __stop___mmu_ftr_fixup = .; } . = ALIGN(8); __lwsync_fixup : AT(ADDR(__lwsync_fixup) - LOAD_OFFSET) { __start___lwsync_fixup = .; KEEP(*(__lwsync_fixup)) __stop___lwsync_fixup = .; }#ifdef CONFIG_PPC64 . = ALIGN(8); __fw_ftr_fixup : AT(ADDR(__fw_ftr_fixup) - LOAD_OFFSET) { __start___fw_ftr_fixup = .; KEEP(*(__fw_ftr_fixup)) __stop___fw_ftr_fixup = .; }#endif
PERCPU_SECTION(L1_CACHE_BYTES)
. = ALIGN(8); .machine.desc : AT(ADDR(.machine.desc) - LOAD_OFFSET) { __machine_desc_start = . ; KEEP(*(.machine.desc)) __machine_desc_end = . ; }#ifdef CONFIG_RELOCATABLE . = ALIGN(8); .dynsym : AT(ADDR(.dynsym) - LOAD_OFFSET) { __dynamic_symtab = .; *(.dynsym) } .dynstr : AT(ADDR(.dynstr) - LOAD_OFFSET) { *(.dynstr) } .dynamic : AT(ADDR(.dynamic) - LOAD_OFFSET) { __dynamic_start = .; *(.dynamic) } .hash : AT(ADDR(.hash) - LOAD_OFFSET) { *(.hash) } .gnu.hash : AT(ADDR(.gnu.hash) - LOAD_OFFSET) { *(.gnu.hash) } .rela.dyn : AT(ADDR(.rela.dyn) - LOAD_OFFSET) { __rela_dyn_start = .; *(.rela*) }#endif /* .exit.data is discarded at runtime, not link time, * to deal with references from .exit.text */ .exit.data : AT(ADDR(.exit.data) - LOAD_OFFSET) { EXIT_DATA }
/* freed after init ends here */ . = ALIGN(PAGE_SIZE); __init_end = .;
/* * And now the various read/write data */
. = ALIGN(PAGE_SIZE); _sdata = .;
.data : AT(ADDR(.data) - LOAD_OFFSET) { DATA_DATA *(.data.rel*)#ifdef CONFIG_PPC32 *(SDATA_MAIN)#endif }
/* The initial task and kernel stack */ INIT_TASK_DATA_SECTION(THREAD_ALIGN)
.data..page_aligned : AT(ADDR(.data..page_aligned) - LOAD_OFFSET) { PAGE_ALIGNED_DATA(PAGE_SIZE) }
.data..cacheline_aligned : AT(ADDR(.data..cacheline_aligned) - LOAD_OFFSET) { CACHELINE_ALIGNED_DATA(L1_CACHE_BYTES) }
.data..read_mostly : AT(ADDR(.data..read_mostly) - LOAD_OFFSET) { READ_MOSTLY_DATA(L1_CACHE_BYTES) }
. = ALIGN(PAGE_SIZE); .data_nosave : AT(ADDR(.data_nosave) - LOAD_OFFSET) { NOSAVE_DATA }
BUG_TABLE
. = ALIGN(PAGE_SIZE); _edata = .;
/* * And finally the bss */
BSS_SECTION(0, 0, 0)
. = ALIGN(PAGE_SIZE); _end = . ;
DWARF_DEBUG MODINFO ELF_DETAILS
DISCARDS /DISCARD/ : { *(*.EMB.apuinfo) *(.glink .iplt .plt) *(.gnu.version*) *(.gnu.attributes) *(.eh_frame)#ifndef CONFIG_RELOCATABLE *(.rela*)#endif }}