diff options
Diffstat (limited to 'ANDROID_3.4.5/arch/x86/kernel/vmlinux.lds.S')
| -rw-r--r-- | ANDROID_3.4.5/arch/x86/kernel/vmlinux.lds.S | 376 |
1 files changed, 0 insertions, 376 deletions
diff --git a/ANDROID_3.4.5/arch/x86/kernel/vmlinux.lds.S b/ANDROID_3.4.5/arch/x86/kernel/vmlinux.lds.S deleted file mode 100644 index 0f703f10..00000000 --- a/ANDROID_3.4.5/arch/x86/kernel/vmlinux.lds.S +++ /dev/null @@ -1,376 +0,0 @@ -/* - * ld script for the x86 kernel - * - * Historic 32-bit version written by Martin Mares <mj@atrey.karlin.mff.cuni.cz> - * - * Modernisation, unification and other changes and fixes: - * Copyright (C) 2007-2009 Sam Ravnborg <sam@ravnborg.org> - * - * - * Don't define absolute symbols until and unless you know that symbol - * value is should remain constant even if kernel image is relocated - * at run time. Absolute symbols are not relocated. If symbol value should - * change if kernel is relocated, make the symbol section relative and - * put it inside the section definition. - */ - -#ifdef CONFIG_X86_32 -#define LOAD_OFFSET __PAGE_OFFSET -#else -#define LOAD_OFFSET __START_KERNEL_map -#endif - -#include <asm-generic/vmlinux.lds.h> -#include <asm/asm-offsets.h> -#include <asm/thread_info.h> -#include <asm/page_types.h> -#include <asm/cache.h> -#include <asm/boot.h> - -#undef i386 /* in case the preprocessor is a 32bit one */ - -OUTPUT_FORMAT(CONFIG_OUTPUT_FORMAT, CONFIG_OUTPUT_FORMAT, CONFIG_OUTPUT_FORMAT) - -#ifdef CONFIG_X86_32 -OUTPUT_ARCH(i386) -ENTRY(phys_startup_32) -jiffies = jiffies_64; -#else -OUTPUT_ARCH(i386:x86-64) -ENTRY(phys_startup_64) -jiffies_64 = jiffies; -#endif - -#if defined(CONFIG_X86_64) && defined(CONFIG_DEBUG_RODATA) -/* - * On 64-bit, align RODATA to 2MB so that even with CONFIG_DEBUG_RODATA - * we retain large page mappings for boundaries spanning kernel text, rodata - * and data sections. - * - * However, kernel identity mappings will have different RWX permissions - * to the pages mapping to text and to the pages padding (which are freed) the - * text section. Hence kernel identity mappings will be broken to smaller - * pages. For 64-bit, kernel text and kernel identity mappings are different, - * so we can enable protection checks that come with CONFIG_DEBUG_RODATA, - * as well as retain 2MB large page mappings for kernel text. - */ -#define X64_ALIGN_DEBUG_RODATA_BEGIN . = ALIGN(HPAGE_SIZE); - -#define X64_ALIGN_DEBUG_RODATA_END \ - . = ALIGN(HPAGE_SIZE); \ - __end_rodata_hpage_align = .; - -#else - -#define X64_ALIGN_DEBUG_RODATA_BEGIN -#define X64_ALIGN_DEBUG_RODATA_END - -#endif - -PHDRS { - text PT_LOAD FLAGS(5); /* R_E */ - data PT_LOAD FLAGS(6); /* RW_ */ -#ifdef CONFIG_X86_64 -#ifdef CONFIG_SMP - percpu PT_LOAD FLAGS(6); /* RW_ */ -#endif - init PT_LOAD FLAGS(7); /* RWE */ -#endif - note PT_NOTE FLAGS(0); /* ___ */ -} - -SECTIONS -{ -#ifdef CONFIG_X86_32 - . = LOAD_OFFSET + LOAD_PHYSICAL_ADDR; - phys_startup_32 = startup_32 - LOAD_OFFSET; -#else - . = __START_KERNEL; - phys_startup_64 = startup_64 - LOAD_OFFSET; -#endif - - /* Text and read-only data */ - .text : AT(ADDR(.text) - LOAD_OFFSET) { - _text = .; - /* bootstrapping code */ - HEAD_TEXT -#ifdef CONFIG_X86_32 - . = ALIGN(PAGE_SIZE); - *(.text..page_aligned) -#endif - . = ALIGN(8); - _stext = .; - TEXT_TEXT - SCHED_TEXT - LOCK_TEXT - KPROBES_TEXT - ENTRY_TEXT - IRQENTRY_TEXT - *(.fixup) - *(.gnu.warning) - /* End of text section */ - _etext = .; - } :text = 0x9090 - - NOTES :text :note - - EXCEPTION_TABLE(16) :text = 0x9090 - -#if defined(CONFIG_DEBUG_RODATA) - /* .text should occupy whole number of pages */ - . = ALIGN(PAGE_SIZE); -#endif - X64_ALIGN_DEBUG_RODATA_BEGIN - RO_DATA(PAGE_SIZE) - X64_ALIGN_DEBUG_RODATA_END - - /* Data */ - .data : AT(ADDR(.data) - LOAD_OFFSET) { - /* Start of data section */ - _sdata = .; - - /* init_task */ - INIT_TASK_DATA(THREAD_SIZE) - -#ifdef CONFIG_X86_32 - /* 32 bit has nosave before _edata */ - NOSAVE_DATA -#endif - - PAGE_ALIGNED_DATA(PAGE_SIZE) - - CACHELINE_ALIGNED_DATA(L1_CACHE_BYTES) - - DATA_DATA - CONSTRUCTORS - - /* rarely changed data like cpu maps */ - READ_MOSTLY_DATA(INTERNODE_CACHE_BYTES) - - /* End of data section */ - _edata = .; - } :data - -#ifdef CONFIG_X86_64 - - . = ALIGN(PAGE_SIZE); - __vvar_page = .; - - .vvar : AT(ADDR(.vvar) - LOAD_OFFSET) { - /* work around gold bug 13023 */ - __vvar_beginning_hack = .; - - /* Place all vvars at the offsets in asm/vvar.h. */ -#define EMIT_VVAR(name, offset) \ - . = __vvar_beginning_hack + offset; \ - *(.vvar_ ## name) -#define __VVAR_KERNEL_LDS -#include <asm/vvar.h> -#undef __VVAR_KERNEL_LDS -#undef EMIT_VVAR - - } :data - - . = ALIGN(__vvar_page + PAGE_SIZE, PAGE_SIZE); - -#endif /* CONFIG_X86_64 */ - - /* Init code and data - will be freed after init */ - . = ALIGN(PAGE_SIZE); - .init.begin : AT(ADDR(.init.begin) - LOAD_OFFSET) { - __init_begin = .; /* paired with __init_end */ - } - -#if defined(CONFIG_X86_64) && defined(CONFIG_SMP) - /* - * percpu offsets are zero-based on SMP. PERCPU_VADDR() changes the - * output PHDR, so the next output section - .init.text - should - * start another segment - init. - */ - PERCPU_VADDR(INTERNODE_CACHE_BYTES, 0, :percpu) -#endif - - INIT_TEXT_SECTION(PAGE_SIZE) -#ifdef CONFIG_X86_64 - :init -#endif - - INIT_DATA_SECTION(16) - - /* - * Code and data for a variety of lowlevel trampolines, to be - * copied into base memory (< 1 MiB) during initialization. - * Since it is copied early, the main copy can be discarded - * afterwards. - */ - .x86_trampoline : AT(ADDR(.x86_trampoline) - LOAD_OFFSET) { - x86_trampoline_start = .; - *(.x86_trampoline) - x86_trampoline_end = .; - } - - .x86_cpu_dev.init : AT(ADDR(.x86_cpu_dev.init) - LOAD_OFFSET) { - __x86_cpu_dev_start = .; - *(.x86_cpu_dev.init) - __x86_cpu_dev_end = .; - } - - /* - * start address and size of operations which during runtime - * can be patched with virtualization friendly instructions or - * baremetal native ones. Think page table operations. - * Details in paravirt_types.h - */ - . = ALIGN(8); - .parainstructions : AT(ADDR(.parainstructions) - LOAD_OFFSET) { - __parainstructions = .; - *(.parainstructions) - __parainstructions_end = .; - } - - /* - * struct alt_inst entries. From the header (alternative.h): - * "Alternative instructions for different CPU types or capabilities" - * Think locking instructions on spinlocks. - */ - . = ALIGN(8); - .altinstructions : AT(ADDR(.altinstructions) - LOAD_OFFSET) { - __alt_instructions = .; - *(.altinstructions) - __alt_instructions_end = .; - } - - /* - * And here are the replacement instructions. The linker sticks - * them as binary blobs. The .altinstructions has enough data to - * get the address and the length of them to patch the kernel safely. - */ - .altinstr_replacement : AT(ADDR(.altinstr_replacement) - LOAD_OFFSET) { - *(.altinstr_replacement) - } - - /* - * struct iommu_table_entry entries are injected in this section. - * It is an array of IOMMUs which during run time gets sorted depending - * on its dependency order. After rootfs_initcall is complete - * this section can be safely removed. - */ - .iommu_table : AT(ADDR(.iommu_table) - LOAD_OFFSET) { - __iommu_table = .; - *(.iommu_table) - __iommu_table_end = .; - } - - . = ALIGN(8); - .apicdrivers : AT(ADDR(.apicdrivers) - LOAD_OFFSET) { - __apicdrivers = .; - *(.apicdrivers); - __apicdrivers_end = .; - } - - . = ALIGN(8); - /* - * .exit.text is discard at runtime, not link time, to deal with - * references from .altinstructions and .eh_frame - */ - .exit.text : AT(ADDR(.exit.text) - LOAD_OFFSET) { - EXIT_TEXT - } - - .exit.data : AT(ADDR(.exit.data) - LOAD_OFFSET) { - EXIT_DATA - } - -#if !defined(CONFIG_X86_64) || !defined(CONFIG_SMP) - PERCPU_SECTION(INTERNODE_CACHE_BYTES) -#endif - - . = ALIGN(PAGE_SIZE); - - /* freed after init ends here */ - .init.end : AT(ADDR(.init.end) - LOAD_OFFSET) { - __init_end = .; - } - - /* - * smp_locks might be freed after init - * start/end must be page aligned - */ - . = ALIGN(PAGE_SIZE); - .smp_locks : AT(ADDR(.smp_locks) - LOAD_OFFSET) { - __smp_locks = .; - *(.smp_locks) - . = ALIGN(PAGE_SIZE); - __smp_locks_end = .; - } - -#ifdef CONFIG_X86_64 - .data_nosave : AT(ADDR(.data_nosave) - LOAD_OFFSET) { - NOSAVE_DATA - } -#endif - - /* BSS */ - . = ALIGN(PAGE_SIZE); - .bss : AT(ADDR(.bss) - LOAD_OFFSET) { - __bss_start = .; - *(.bss..page_aligned) - *(.bss) - . = ALIGN(PAGE_SIZE); - __bss_stop = .; - } - - . = ALIGN(PAGE_SIZE); - .brk : AT(ADDR(.brk) - LOAD_OFFSET) { - __brk_base = .; - . += 64 * 1024; /* 64k alignment slop space */ - *(.brk_reservation) /* areas brk users have reserved */ - __brk_limit = .; - } - - _end = .; - - STABS_DEBUG - DWARF_DEBUG - - /* Sections to be discarded */ - DISCARDS - /DISCARD/ : { *(.eh_frame) } -} - - -#ifdef CONFIG_X86_32 -/* - * The ASSERT() sink to . is intentional, for binutils 2.14 compatibility: - */ -. = ASSERT((_end - LOAD_OFFSET <= KERNEL_IMAGE_SIZE), - "kernel image bigger than KERNEL_IMAGE_SIZE"); -#else -/* - * Per-cpu symbols which need to be offset from __per_cpu_load - * for the boot processor. - */ -#define INIT_PER_CPU(x) init_per_cpu__##x = x + __per_cpu_load -INIT_PER_CPU(gdt_page); -INIT_PER_CPU(irq_stack_union); - -/* - * Build-time check on the image size: - */ -. = ASSERT((_end - _text <= KERNEL_IMAGE_SIZE), - "kernel image bigger than KERNEL_IMAGE_SIZE"); - -#ifdef CONFIG_SMP -. = ASSERT((irq_stack_union == 0), - "irq_stack_union is not at start of per-cpu area"); -#endif - -#endif /* CONFIG_X86_32 */ - -#ifdef CONFIG_KEXEC -#include <asm/kexec.h> - -. = ASSERT(kexec_control_code_size <= KEXEC_CONTROL_CODE_MAX_SIZE, - "kexec control code size is too big"); -#endif - |