1 files changed, 105 insertions, 0 deletions

diff --git a/arch/mips/vdso/vdso.lds.S b/arch/mips/vdso/vdso.lds.S
new file mode 100644
index 000000000..d90b65724
--- /dev/null
+++ b/arch/mips/vdso/vdso.lds.S
@@ -0,0 +1,105 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ * Copyright (C) 2015 Imagination Technologies
+ * Author: Alex Smith <alex.smith@imgtec.com>
+ */
+
+#include <asm/sgidefs.h>
+
+#if _MIPS_SIM == _MIPS_SIM_ABI64
+OUTPUT_FORMAT("elf64-tradlittlemips", "elf64-tradbigmips", "elf64-tradlittlemips")
+#elif _MIPS_SIM == _MIPS_SIM_NABI32
+OUTPUT_FORMAT("elf32-ntradlittlemips", "elf32-ntradbigmips", "elf32-ntradlittlemips")
+#else
+OUTPUT_FORMAT("elf32-tradlittlemips", "elf32-tradbigmips", "elf32-tradlittlemips")
+#endif
+
+OUTPUT_ARCH(mips)
+
+SECTIONS
+{
+        PROVIDE(_start = .);
+        . = SIZEOF_HEADERS;
+
+        /*
+         * In order to retain compatibility with older toolchains we provide the
+         * ABI flags section ourself. Newer assemblers will automatically
+         * generate .MIPS.abiflags sections so we discard such input sections,
+         * and then manually define our own section here. genvdso will patch
+         * this section to have the correct name/type.
+         */
+        .mips_abiflags  : { *(.mips_abiflags) }         :text :abiflags
+
+        .reginfo        : { *(.reginfo) }               :text :reginfo
+
+        .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
+
+        .text           : { *(.text*) }                 :text
+        PROVIDE (__etext = .);
+        PROVIDE (_etext = .);
+        PROVIDE (etext = .);
+
+        .eh_frame_hdr   : { *(.eh_frame_hdr) }          :text :eh_frame_hdr
+        .eh_frame       : { KEEP (*(.eh_frame)) }       :text
+
+        .dynamic        : { *(.dynamic) }               :text :dynamic
+
+        .rodata         : { *(.rodata*) }               :text
+
+        _end = .;
+        PROVIDE(end = .);
+
+        /DISCARD/       : {
+                *(.MIPS.abiflags)
+                *(.gnu.attributes)
+                *(.note.GNU-stack)
+                *(.data .data.* .gnu.linkonce.d.* .sdata*)
+                *(.bss .sbss .dynbss .dynsbss)
+        }
+}
+
+PHDRS
+{
+        /*
+         * Provide a PT_MIPS_ABIFLAGS header to assign the ABI flags section
+         * to. We can specify the header type directly here so no modification
+         * is needed later on.
+         */
+        abiflags        0x70000003;
+
+        /*
+         * The ABI flags header must exist directly after the PT_INTERP header,
+         * so we must explicitly place the PT_MIPS_REGINFO header after it to
+         * stop the linker putting one in at the start.
+         */
+        reginfo         0x70000000;
+
+        text            PT_LOAD         FLAGS(5) FILEHDR PHDRS; /* 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;
+}
+
+VERSION
+{
+        LINUX_2.6 {
+#ifndef CONFIG_MIPS_DISABLE_VDSO
+        global:
+                __vdso_clock_gettime;
+                __vdso_gettimeofday;
+                __vdso_clock_getres;
+#if _MIPS_SIM != _MIPS_SIM_ABI64
+                __vdso_clock_gettime64;
+#endif
+#endif
+        local: *;
+        };
+}