/* 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>
#include <vdso/datapage.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)

SECTIONS
{
        VDSO_VVAR_SYMS

        . = 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)
        }                                               :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 .rela*) }

        .got ALIGN(8)   : { *(.got .toc) }

        _end = .;
        PROVIDE(end = .);

        DWARF_DEBUG
        ELF_DETAILS

        /DISCARD/       : {
                *(.note.GNU-stack)
                *(*.EMB.apuinfo)
                *(.branch_lt)
                *(.data .data.* .gnu.linkonce.d.* .sdata*)
                *(.bss .sbss .dynbss .dynsbss)
                *(.opd)
                *(.glink .iplt .plt)
        }
}

/*
 * 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;
                __kernel_getrandom;

        local: *;
        };
}

/*
 * Make the sigreturn code visible to the kernel.
 */
VDSO_sigtramp_rt64      = __kernel_start_sigtramp_rt64;