mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
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1f66c45db3
With the release of Linux 5.1 has been added a new syscall, clock_gettime64, that provided a 64 bit time value for a specified clock_ID to make the kernel Y2038 safe on 32 bit architectures. Update the mips32 specific vDSO library accordingly with what it has been done for the kernel syscall exposing the clock_gettime64 entry point. Cc: Ralf Baechle <ralf@linux-mips.org> Cc: Paul Burton <paul.burton@mips.com> Signed-off-by: Vincenzo Frascino <vincenzo.frascino@arm.com> Signed-off-by: Paul Burton <paul.burton@mips.com>
105 lines
2.5 KiB
ArmAsm
105 lines
2.5 KiB
ArmAsm
/* SPDX-License-Identifier: GPL-2.0-or-later */
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/*
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* Copyright (C) 2015 Imagination Technologies
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* Author: Alex Smith <alex.smith@imgtec.com>
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*/
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#include <asm/sgidefs.h>
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#if _MIPS_SIM == _MIPS_SIM_ABI64
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OUTPUT_FORMAT("elf64-tradlittlemips", "elf64-tradbigmips", "elf64-tradlittlemips")
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#elif _MIPS_SIM == _MIPS_SIM_NABI32
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OUTPUT_FORMAT("elf32-ntradlittlemips", "elf32-ntradbigmips", "elf32-ntradlittlemips")
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#else
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OUTPUT_FORMAT("elf32-tradlittlemips", "elf32-tradbigmips", "elf32-tradlittlemips")
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#endif
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OUTPUT_ARCH(mips)
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SECTIONS
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{
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PROVIDE(_start = .);
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. = SIZEOF_HEADERS;
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/*
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* In order to retain compatibility with older toolchains we provide the
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* ABI flags section ourself. Newer assemblers will automatically
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* generate .MIPS.abiflags sections so we discard such input sections,
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* and then manually define our own section here. genvdso will patch
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* this section to have the correct name/type.
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*/
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.mips_abiflags : { *(.mips_abiflags) } :text :abiflags
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.reginfo : { *(.reginfo) } :text :reginfo
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.hash : { *(.hash) } :text
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.gnu.hash : { *(.gnu.hash) }
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.dynsym : { *(.dynsym) }
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.dynstr : { *(.dynstr) }
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.gnu.version : { *(.gnu.version) }
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.gnu.version_d : { *(.gnu.version_d) }
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.gnu.version_r : { *(.gnu.version_r) }
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.note : { *(.note.*) } :text :note
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.text : { *(.text*) } :text
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PROVIDE (__etext = .);
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PROVIDE (_etext = .);
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PROVIDE (etext = .);
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.eh_frame_hdr : { *(.eh_frame_hdr) } :text :eh_frame_hdr
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.eh_frame : { KEEP (*(.eh_frame)) } :text
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.dynamic : { *(.dynamic) } :text :dynamic
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.rodata : { *(.rodata*) } :text
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_end = .;
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PROVIDE(end = .);
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/DISCARD/ : {
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*(.MIPS.abiflags)
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*(.gnu.attributes)
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*(.note.GNU-stack)
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*(.data .data.* .gnu.linkonce.d.* .sdata*)
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*(.bss .sbss .dynbss .dynsbss)
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}
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}
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PHDRS
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{
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/*
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* Provide a PT_MIPS_ABIFLAGS header to assign the ABI flags section
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* to. We can specify the header type directly here so no modification
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* is needed later on.
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*/
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abiflags 0x70000003;
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/*
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* The ABI flags header must exist directly after the PT_INTERP header,
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* so we must explicitly place the PT_MIPS_REGINFO header after it to
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* stop the linker putting one in at the start.
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*/
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reginfo 0x70000000;
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text PT_LOAD FLAGS(5) FILEHDR PHDRS; /* PF_R|PF_X */
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dynamic PT_DYNAMIC FLAGS(4); /* PF_R */
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note PT_NOTE FLAGS(4); /* PF_R */
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eh_frame_hdr PT_GNU_EH_FRAME;
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}
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VERSION
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{
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LINUX_2.6 {
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#ifndef DISABLE_MIPS_VDSO
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global:
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__vdso_clock_gettime;
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__vdso_gettimeofday;
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__vdso_clock_getres;
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#if _MIPS_SIM != _MIPS_SIM_ABI64
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__vdso_clock_gettime64;
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#endif
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#endif
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local: *;
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};
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}
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