| /* SPDX-License-Identifier: GPL-2.0 */ |
| /* |
| * This is the infamous ld script for the 64 bits vdso |
| * library |
| */ |
| #include <asm/vdso.h> |
| #include <asm/page.h> |
| #include <asm-generic/vmlinux.lds.h> |
| |
| #ifdef __LITTLE_ENDIAN__ |
| OUTPUT_FORMAT("elf64-powerpcle", "elf64-powerpcle", "elf64-powerpcle") |
| #else |
| OUTPUT_FORMAT("elf64-powerpc", "elf64-powerpc", "elf64-powerpc") |
| #endif |
| OUTPUT_ARCH(powerpc:common64) |
| ENTRY(_start) |
| |
| SECTIONS |
| { |
| PROVIDE(_vdso_datapage = . - PAGE_SIZE); |
| . = SIZEOF_HEADERS; |
| |
| .hash : { *(.hash) } :text |
| .gnu.hash : { *(.gnu.hash) } |
| .dynsym : { *(.dynsym) } |
| .dynstr : { *(.dynstr) } |
| .gnu.version : { *(.gnu.version) } |
| .gnu.version_d : { *(.gnu.version_d) } |
| .gnu.version_r : { *(.gnu.version_r) } |
| |
| .note : { *(.note.*) } :text :note |
| |
| . = ALIGN(16); |
| .text : { |
| *(.text .stub .text.* .gnu.linkonce.t.* __ftr_alt_*) |
| *(.sfpr .glink) |
| } :text |
| PROVIDE(__etext = .); |
| PROVIDE(_etext = .); |
| PROVIDE(etext = .); |
| |
| . = ALIGN(8); |
| VDSO_ftr_fixup_start = .; |
| __ftr_fixup : { *(__ftr_fixup) } |
| VDSO_ftr_fixup_end = .; |
| |
| . = ALIGN(8); |
| VDSO_mmu_ftr_fixup_start = .; |
| __mmu_ftr_fixup : { *(__mmu_ftr_fixup) } |
| VDSO_mmu_ftr_fixup_end = .; |
| |
| . = ALIGN(8); |
| VDSO_lwsync_fixup_start = .; |
| __lwsync_fixup : { *(__lwsync_fixup) } |
| VDSO_lwsync_fixup_end = .; |
| |
| . = ALIGN(8); |
| VDSO_fw_ftr_fixup_start = .; |
| __fw_ftr_fixup : { *(__fw_ftr_fixup) } |
| VDSO_fw_ftr_fixup_end = .; |
| |
| /* |
| * Other stuff is appended to the text segment: |
| */ |
| .rodata : { *(.rodata .rodata.* .gnu.linkonce.r.*) } |
| .rodata1 : { *(.rodata1) } |
| |
| .dynamic : { *(.dynamic) } :text :dynamic |
| |
| .eh_frame_hdr : { *(.eh_frame_hdr) } :text :eh_frame_hdr |
| .eh_frame : { KEEP (*(.eh_frame)) } :text |
| .gcc_except_table : { *(.gcc_except_table) } |
| .rela.dyn ALIGN(8) : { *(.rela.dyn) } |
| |
| .got ALIGN(8) : { *(.got .toc) } |
| |
| _end = .; |
| PROVIDE(end = .); |
| |
| STABS_DEBUG |
| DWARF_DEBUG |
| ELF_DETAILS |
| |
| /DISCARD/ : { |
| *(.note.GNU-stack) |
| *(.branch_lt) |
| *(.data .data.* .gnu.linkonce.d.* .sdata*) |
| *(.bss .sbss .dynbss .dynsbss) |
| *(.opd) |
| } |
| } |
| |
| /* |
| * Very old versions of ld do not recognize this name token; use the constant. |
| */ |
| #define PT_GNU_EH_FRAME 0x6474e550 |
| |
| /* |
| * We must supply the ELF program headers explicitly to get just one |
| * PT_LOAD segment, and set the flags explicitly to make segments read-only. |
| */ |
| PHDRS |
| { |
| text PT_LOAD FILEHDR PHDRS FLAGS(5); /* PF_R|PF_X */ |
| dynamic PT_DYNAMIC FLAGS(4); /* PF_R */ |
| note PT_NOTE FLAGS(4); /* PF_R */ |
| eh_frame_hdr PT_GNU_EH_FRAME; |
| } |
| |
| /* |
| * This controls what symbols we export from the DSO. |
| */ |
| VERSION |
| { |
| VDSO_VERSION_STRING { |
| global: |
| __kernel_get_syscall_map; |
| __kernel_gettimeofday; |
| __kernel_clock_gettime; |
| __kernel_clock_getres; |
| __kernel_get_tbfreq; |
| __kernel_sync_dicache; |
| __kernel_sigtramp_rt64; |
| __kernel_getcpu; |
| __kernel_time; |
| |
| local: *; |
| }; |
| } |
| |
| /* |
| * Make the sigreturn code visible to the kernel. |
| */ |
| VDSO_sigtramp_rt64 = __kernel_sigtramp_rt64; |