1 /* SPDX-License-Identifier: GPL-2.0 */
3 * This is the infamous ld script for the 64 bits vdso
8 #include <asm-generic/vmlinux.lds.h>
10 #ifdef __LITTLE_ENDIAN__
11 OUTPUT_FORMAT("elf64-powerpcle", "elf64-powerpcle", "elf64-powerpcle")
13 OUTPUT_FORMAT("elf64-powerpc", "elf64-powerpc", "elf64-powerpc")
15 OUTPUT_ARCH(powerpc:common64)
19 PROVIDE(_vdso_datapage = . - 3 * PAGE_SIZE);
22 .hash : { *(.hash) } :text
23 .gnu.hash : { *(.gnu.hash) }
24 .dynsym : { *(.dynsym) }
25 .dynstr : { *(.dynstr) }
26 .gnu.version : { *(.gnu.version) }
27 .gnu.version_d : { *(.gnu.version_d) }
28 .gnu.version_r : { *(.gnu.version_r) }
30 .note : { *(.note.*) } :text :note
34 *(.text .stub .text.* .gnu.linkonce.t.* __ftr_alt_*)
42 VDSO_ftr_fixup_start = .;
43 __ftr_fixup : { *(__ftr_fixup) }
44 VDSO_ftr_fixup_end = .;
47 VDSO_mmu_ftr_fixup_start = .;
48 __mmu_ftr_fixup : { *(__mmu_ftr_fixup) }
49 VDSO_mmu_ftr_fixup_end = .;
52 VDSO_lwsync_fixup_start = .;
53 __lwsync_fixup : { *(__lwsync_fixup) }
54 VDSO_lwsync_fixup_end = .;
57 VDSO_fw_ftr_fixup_start = .;
58 __fw_ftr_fixup : { *(__fw_ftr_fixup) }
59 VDSO_fw_ftr_fixup_end = .;
62 * Other stuff is appended to the text segment:
64 .rodata : { *(.rodata .rodata.* .gnu.linkonce.r.*) }
65 .rodata1 : { *(.rodata1) }
67 .dynamic : { *(.dynamic) } :text :dynamic
69 .eh_frame_hdr : { *(.eh_frame_hdr) } :text :eh_frame_hdr
70 .eh_frame : { KEEP (*(.eh_frame)) } :text
71 .gcc_except_table : { *(.gcc_except_table) }
72 .rela.dyn ALIGN(8) : { *(.rela .rela*) }
74 .got ALIGN(8) : { *(.got .toc) }
86 *(.data .data.* .gnu.linkonce.d.* .sdata*)
87 *(.bss .sbss .dynbss .dynsbss)
94 * Very old versions of ld do not recognize this name token; use the constant.
96 #define PT_GNU_EH_FRAME 0x6474e550
99 * We must supply the ELF program headers explicitly to get just one
100 * PT_LOAD segment, and set the flags explicitly to make segments read-only.
104 text PT_LOAD FILEHDR PHDRS FLAGS(5); /* PF_R|PF_X */
105 dynamic PT_DYNAMIC FLAGS(4); /* PF_R */
106 note PT_NOTE FLAGS(4); /* PF_R */
107 eh_frame_hdr PT_GNU_EH_FRAME;
111 * This controls what symbols we export from the DSO.
115 VDSO_VERSION_STRING {
117 __kernel_get_syscall_map;
118 __kernel_gettimeofday;
119 __kernel_clock_gettime;
120 __kernel_clock_getres;
122 __kernel_sync_dicache;
123 __kernel_sigtramp_rt64;
133 * Make the sigreturn code visible to the kernel.
135 VDSO_sigtramp_rt64 = __kernel_start_sigtramp_rt64;