2 #define PROVIDE32(x) PROVIDE(__unused__##x)
4 #define PROVIDE32(x) PROVIDE(x)
7 #include <asm-generic/vmlinux.lds.h>
9 #include <asm/thread_info.h>
14 kernel PT_LOAD FLAGS(7); /* RWX */
15 notes PT_NOTE FLAGS(0);
16 dummy PT_NOTE FLAGS(0);
18 /* binutils < 2.18 has a bug that makes it misbehave when taking an
19 ELF file with all segments at load address 0 as input. This
20 happens when running "strip" on vmlinux, because of the AT() magic
21 in this linker script. People using GCC >= 4.2 won't run into
22 this problem, because the "build-id" support will put some data
23 into the "notes" segment (at a non-zero load address).
25 To work around this, we force some data into both the "dummy"
26 segment and the kernel segment, so the dummy segment will get a
27 non-zero load address. It's not enough to always create the
28 "notes" segment, since if nothing gets assigned to it, its load
29 address will be zero. */
33 OUTPUT_ARCH(powerpc:common64)
36 OUTPUT_ARCH(powerpc:common)
37 jiffies = jiffies_64 + 4;
44 * Text, read only data and other permanent read-only sections
48 .text : AT(ADDR(.text) - LOAD_OFFSET) {
52 /* careful! __ftr_alt_* sections need to be close to .text */
53 *(.text .fixup __ftr_alt_* .ref.text)
64 #endif /* CONFIG_PPC32 */
70 PROVIDE32 (etext = .);
77 __stf_entry_barrier_fixup : AT(ADDR(__stf_entry_barrier_fixup) - LOAD_OFFSET) {
78 __start___stf_entry_barrier_fixup = .;
79 *(__stf_entry_barrier_fixup)
80 __stop___stf_entry_barrier_fixup = .;
84 __uaccess_flush_fixup : AT(ADDR(__uaccess_flush_fixup) - LOAD_OFFSET) {
85 __start___uaccess_flush_fixup = .;
86 *(__uaccess_flush_fixup)
87 __stop___uaccess_flush_fixup = .;
91 __entry_flush_fixup : AT(ADDR(__entry_flush_fixup) - LOAD_OFFSET) {
92 __start___entry_flush_fixup = .;
93 *(__entry_flush_fixup)
94 __stop___entry_flush_fixup = .;
98 __stf_exit_barrier_fixup : AT(ADDR(__stf_exit_barrier_fixup) - LOAD_OFFSET) {
99 __start___stf_exit_barrier_fixup = .;
100 *(__stf_exit_barrier_fixup)
101 __stop___stf_exit_barrier_fixup = .;
105 __rfi_flush_fixup : AT(ADDR(__rfi_flush_fixup) - LOAD_OFFSET) {
106 __start___rfi_flush_fixup = .;
108 __stop___rfi_flush_fixup = .;
110 #endif /* CONFIG_PPC64 */
112 #ifdef CONFIG_PPC_BARRIER_NOSPEC
114 __spec_barrier_fixup : AT(ADDR(__spec_barrier_fixup) - LOAD_OFFSET) {
115 __start___barrier_nospec_fixup = .;
116 *(__barrier_nospec_fixup)
117 __stop___barrier_nospec_fixup = .;
119 #endif /* CONFIG_PPC_BARRIER_NOSPEC */
121 #ifdef CONFIG_PPC_FSL_BOOK3E
123 __spec_btb_flush_fixup : AT(ADDR(__spec_btb_flush_fixup) - LOAD_OFFSET) {
124 __start__btb_flush_fixup = .;
126 __stop__btb_flush_fixup = .;
133 /* The dummy segment contents for the bug workaround mentioned above
135 .dummy : AT(ADDR(.dummy) - LOAD_OFFSET) {
142 * Init sections discarded at runtime
144 . = ALIGN(PAGE_SIZE);
146 INIT_TEXT_SECTION(PAGE_SIZE) :kernel
148 /* .exit.text is discarded at runtime, not link time,
149 * to deal with references from __bug_table
151 .exit.text : AT(ADDR(.exit.text) - LOAD_OFFSET) {
155 .init.data : AT(ADDR(.init.data) - LOAD_OFFSET) {
157 __vtop_table_begin = .;
159 __vtop_table_end = .;
160 __ptov_table_begin = .;
162 __ptov_table_end = .;
165 .init.setup : AT(ADDR(.init.setup) - LOAD_OFFSET) {
169 .initcall.init : AT(ADDR(.initcall.init) - LOAD_OFFSET) {
173 .con_initcall.init : AT(ADDR(.con_initcall.init) - LOAD_OFFSET) {
180 __ftr_fixup : AT(ADDR(__ftr_fixup) - LOAD_OFFSET) {
181 __start___ftr_fixup = .;
183 __stop___ftr_fixup = .;
186 __mmu_ftr_fixup : AT(ADDR(__mmu_ftr_fixup) - LOAD_OFFSET) {
187 __start___mmu_ftr_fixup = .;
189 __stop___mmu_ftr_fixup = .;
192 __lwsync_fixup : AT(ADDR(__lwsync_fixup) - LOAD_OFFSET) {
193 __start___lwsync_fixup = .;
195 __stop___lwsync_fixup = .;
199 __fw_ftr_fixup : AT(ADDR(__fw_ftr_fixup) - LOAD_OFFSET) {
200 __start___fw_ftr_fixup = .;
202 __stop___fw_ftr_fixup = .;
205 .init.ramfs : AT(ADDR(.init.ramfs) - LOAD_OFFSET) {
209 PERCPU_SECTION(L1_CACHE_BYTES)
212 .machine.desc : AT(ADDR(.machine.desc) - LOAD_OFFSET) {
213 __machine_desc_start = . ;
215 __machine_desc_end = . ;
217 #ifdef CONFIG_RELOCATABLE
219 .dynsym : AT(ADDR(.dynsym) - LOAD_OFFSET)
221 #ifdef CONFIG_RELOCATABLE_PPC32
222 __dynamic_symtab = .;
226 .dynstr : AT(ADDR(.dynstr) - LOAD_OFFSET) { *(.dynstr) }
227 .dynamic : AT(ADDR(.dynamic) - LOAD_OFFSET)
232 .hash : AT(ADDR(.hash) - LOAD_OFFSET) { *(.hash) }
233 .interp : AT(ADDR(.interp) - LOAD_OFFSET) { *(.interp) }
234 .rela.dyn : AT(ADDR(.rela.dyn) - LOAD_OFFSET)
236 __rela_dyn_start = .;
240 /* .exit.data is discarded at runtime, not link time,
241 * to deal with references from .exit.text
243 .exit.data : AT(ADDR(.exit.data) - LOAD_OFFSET) {
247 /* freed after init ends here */
248 . = ALIGN(PAGE_SIZE);
252 * And now the various read/write data
255 . = ALIGN(PAGE_SIZE);
259 .data : AT(ADDR(.data) - LOAD_OFFSET) {
265 .data : AT(ADDR(.data) - LOAD_OFFSET) {
272 #ifdef CONFIG_DEBUG_INFO_BTF
273 .BTF : AT(ADDR(.BTF) - LOAD_OFFSET) {
278 .opd : AT(ADDR(.opd) - LOAD_OFFSET) {
283 .got : AT(ADDR(.got) - LOAD_OFFSET) {
285 #ifndef CONFIG_RELOCATABLE
286 __prom_init_toc_start = .;
287 arch/powerpc/kernel/prom_init.o*(.toc .got)
288 __prom_init_toc_end = .;
295 /* The initial task and kernel stack */
296 INIT_TASK_DATA_SECTION(THREAD_SIZE)
298 .data..page_aligned : AT(ADDR(.data..page_aligned) - LOAD_OFFSET) {
299 PAGE_ALIGNED_DATA(PAGE_SIZE)
302 .data..cacheline_aligned : AT(ADDR(.data..cacheline_aligned) - LOAD_OFFSET) {
303 CACHELINE_ALIGNED_DATA(L1_CACHE_BYTES)
306 .data..read_mostly : AT(ADDR(.data..read_mostly) - LOAD_OFFSET) {
307 READ_MOSTLY_DATA(L1_CACHE_BYTES)
310 . = ALIGN(PAGE_SIZE);
311 .data_nosave : AT(ADDR(.data_nosave) - LOAD_OFFSET) {
315 . = ALIGN(PAGE_SIZE);
317 PROVIDE32 (edata = .);
320 * And finally the bss
325 . = ALIGN(PAGE_SIZE);
329 /* Sections to be discarded. */