diff options
Diffstat (limited to 'arch/powerpc/kernel/vmlinux.lds.S')
| -rw-r--r-- | arch/powerpc/kernel/vmlinux.lds.S | 149 |
1 files changed, 67 insertions, 82 deletions
diff --git a/arch/powerpc/kernel/vmlinux.lds.S b/arch/powerpc/kernel/vmlinux.lds.S index 9f6c1ca1739..f096e72262f 100644 --- a/arch/powerpc/kernel/vmlinux.lds.S +++ b/arch/powerpc/kernel/vmlinux.lds.S @@ -6,6 +6,7 @@ #include <asm/page.h> #include <asm-generic/vmlinux.lds.h> #include <asm/cache.h> +#include <asm/thread_info.h> ENTRY(_stext) @@ -37,12 +38,6 @@ jiffies = jiffies_64 + 4; #endif SECTIONS { - /* Sections to be discarded. */ - /DISCARD/ : { - *(.exitcall.exit) - EXIT_DATA - } - . = KERNELBASE; /* @@ -52,12 +47,14 @@ SECTIONS /* Text and gots */ .text : AT(ADDR(.text) - LOAD_OFFSET) { ALIGN_FUNCTION(); - *(.text.head) + HEAD_TEXT _text = .; - *(.text .fixup .text.init.refok .exit.text.refok __ftr_alt_*) + /* careful! __ftr_alt_* sections need to be close to .text */ + *(.text .fixup __ftr_alt_* .ref.text) SCHED_TEXT LOCK_TEXT KPROBES_TEXT + IRQENTRY_TEXT #ifdef CONFIG_PPC32 *(.got1) @@ -75,19 +72,16 @@ SECTIONS /* Read-only data */ RODATA - /* Exception & bug tables */ - __ex_table : AT(ADDR(__ex_table) - LOAD_OFFSET) { - __start___ex_table = .; - *(__ex_table) - __stop___ex_table = .; - } + EXCEPTION_TABLE(0) NOTES :kernel :notes /* The dummy segment contents for the bug workaround mentioned above near PHDRS. */ .dummy : AT(ADDR(.dummy) - LOAD_OFFSET) { - LONG(0xf177) + LONG(0) + LONG(0) + LONG(0) } :kernel :dummy /* @@ -95,12 +89,7 @@ SECTIONS */ . = ALIGN(PAGE_SIZE); __init_begin = .; - - .init.text : AT(ADDR(.init.text) - LOAD_OFFSET) { - _sinittext = .; - INIT_TEXT - _einittext = .; - } :kernel + INIT_TEXT_SECTION(PAGE_SIZE) :kernel /* .exit.text is discarded at runtime, not link time, * to deal with references from __bug_table @@ -117,30 +106,18 @@ SECTIONS __ptov_table_begin = .; *(.ptov_fixup); __ptov_table_end = .; -#ifdef CONFIG_PPC_ISERIES - __dt_strings_start = .; - *(.dt_strings); - __dt_strings_end = .; -#endif } - . = ALIGN(16); .init.setup : AT(ADDR(.init.setup) - LOAD_OFFSET) { - __setup_start = .; - *(.init.setup) - __setup_end = .; + INIT_SETUP(16) } .initcall.init : AT(ADDR(.initcall.init) - LOAD_OFFSET) { - __initcall_start = .; - INITCALLS - __initcall_end = .; - } + INIT_CALLS + } .con_initcall.init : AT(ADDR(.con_initcall.init) - LOAD_OFFSET) { - __con_initcall_start = .; - *(.con_initcall.init) - __con_initcall_end = .; + CON_INITCALL } SECURITY_INIT @@ -152,6 +129,12 @@ SECTIONS __stop___ftr_fixup = .; } . = ALIGN(8); + __mmu_ftr_fixup : AT(ADDR(__mmu_ftr_fixup) - LOAD_OFFSET) { + __start___mmu_ftr_fixup = .; + *(__mmu_ftr_fixup) + __stop___mmu_ftr_fixup = .; + } + . = ALIGN(8); __lwsync_fixup : AT(ADDR(__lwsync_fixup) - LOAD_OFFSET) { __start___lwsync_fixup = .; *(__lwsync_fixup) @@ -165,28 +148,41 @@ SECTIONS __stop___fw_ftr_fixup = .; } #endif -#ifdef CONFIG_BLK_DEV_INITRD - . = ALIGN(PAGE_SIZE); .init.ramfs : AT(ADDR(.init.ramfs) - LOAD_OFFSET) { - __initramfs_start = .; - *(.init.ramfs) - __initramfs_end = .; - } -#endif - . = ALIGN(PAGE_SIZE); - .data.percpu : AT(ADDR(.data.percpu) - LOAD_OFFSET) { - __per_cpu_start = .; - *(.data.percpu) - *(.data.percpu.shared_aligned) - __per_cpu_end = .; + INIT_RAM_FS } + PERCPU_SECTION(L1_CACHE_BYTES) + . = ALIGN(8); .machine.desc : AT(ADDR(.machine.desc) - LOAD_OFFSET) { __machine_desc_start = . ; *(.machine.desc) __machine_desc_end = . ; } +#ifdef CONFIG_RELOCATABLE + . = ALIGN(8); + .dynsym : AT(ADDR(.dynsym) - LOAD_OFFSET) + { +#ifdef CONFIG_RELOCATABLE_PPC32 + __dynamic_symtab = .; +#endif + *(.dynsym) + } + .dynstr : AT(ADDR(.dynstr) - LOAD_OFFSET) { *(.dynstr) } + .dynamic : AT(ADDR(.dynamic) - LOAD_OFFSET) + { + __dynamic_start = .; + *(.dynamic) + } + .hash : AT(ADDR(.hash) - LOAD_OFFSET) { *(.hash) } + .interp : AT(ADDR(.interp) - LOAD_OFFSET) { *(.interp) } + .rela.dyn : AT(ADDR(.rela.dyn) - LOAD_OFFSET) + { + __rela_dyn_start = .; + *(.rela*) + } +#endif /* freed after init ends here */ . = ALIGN(PAGE_SIZE); @@ -219,61 +215,50 @@ SECTIONS .got : AT(ADDR(.got) - LOAD_OFFSET) { __toc_start = .; +#ifndef CONFIG_RELOCATABLE + __prom_init_toc_start = .; + arch/powerpc/kernel/prom_init.o*(.toc .got) + __prom_init_toc_end = .; +#endif *(.got) *(.toc) } #endif - . = ALIGN(PAGE_SIZE); - _edata = .; - PROVIDE32 (edata = .); - /* The initial task and kernel stack */ -#ifdef CONFIG_PPC32 - . = ALIGN(8192); -#else - . = ALIGN(16384); -#endif - .data.init_task : AT(ADDR(.data.init_task) - LOAD_OFFSET) { - *(.data.init_task) - } + INIT_TASK_DATA_SECTION(THREAD_SIZE) - . = ALIGN(PAGE_SIZE); - .data.page_aligned : AT(ADDR(.data.page_aligned) - LOAD_OFFSET) { - *(.data.page_aligned) + .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) { - *(.data.cacheline_aligned) + .data..cacheline_aligned : AT(ADDR(.data..cacheline_aligned) - LOAD_OFFSET) { + CACHELINE_ALIGNED_DATA(L1_CACHE_BYTES) } - . = ALIGN(L1_CACHE_BYTES); - .data.read_mostly : AT(ADDR(.data.read_mostly) - LOAD_OFFSET) { - *(.data.read_mostly) + .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_begin = .; - *(.data.nosave) - . = ALIGN(PAGE_SIZE); - __nosave_end = .; + NOSAVE_DATA } + . = ALIGN(PAGE_SIZE); + _edata = .; + PROVIDE32 (edata = .); + /* * And finally the bss */ - .bss : AT(ADDR(.bss) - LOAD_OFFSET) { - __bss_start = .; - *(.sbss) *(.scommon) - *(.dynbss) - *(.bss) - *(COMMON) - __bss_stop = .; - } + BSS_SECTION(0, 0, 0) . = ALIGN(PAGE_SIZE); _end = . ; PROVIDE32 (end = .); + + /* Sections to be discarded. */ + DISCARDS } |