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3 Commits

Author SHA1 Message Date
Adhemerval Zanella
d665367f59 linux: Enable vDSO for static linking as default (BZ#19767) 
This patch assumes static vDSO is supported as default, it is now supported
on all current architectures that support vDSO.  It allows removing both
ALWAYS_USE_VSYSCALL define, which an architecture requires to explicit define
and USE_VSYSCALL (which defines vDSO only for shared or if architecture defines
ALWAYS_USE_VSYSCALL).

Checked with a build against all affected ABIs.

	[BZ #19767]
	* sysdeps/unix/sysv/linux/aarch64/sysdep.h (ALWAYS_USE_VSYSCALL):
	Remove definition.
	* sysdeps/unix/sysv/linux/arm/sysdep.h (ALWAYS_USE_VSYSCALL):
	Likewise.
	* sysdeps/unix/sysv/linux/i386/sysdep.h (ALWAYS_USE_VSYSCALL):
	Likewise.
	* sysdeps/unix/sysv/linux/mips/mips32/sysdep.h (ALWAYS_USE_VSYSCALL):
	Likewise.
	* sysdeps/unix/sysv/linux/mips/mips64/n32/sysdep.h
	(ALWAYS_USE_VSYSCALL): Likewise.
	* sysdeps/unix/sysv/linux/mips/mips64/n64/sysdep.h
	(ALWAYS_USE_VSYSCALL): Likewise.
	* sysdeps/unix/sysv/linux/powerpc/powerpc32/sysdep.h
	(ALWAYS_USE_VSYSCALL): Likewise.
	* sysdeps/unix/sysv/linux/powerpc/powerpc64/sysdep.h
	(ALWAYS_USE_VSYSCALL): Likewise.
	* sysdeps/unix/sysv/linux/riscv/sysdep.h (ALWAYS_USE_VSYSCALL):
	Likewise.
	* sysdeps/unix/sysv/linux/s390/s390-32/sysdep.h
	(ALWAYS_USE_VSYSCALL): Likewise.
	* sysdeps/unix/sysv/linux/s390/s390-64/sysdep.h
	(ALWAYS_USE_VSYSCALL): Likewise.
	* sysdeps/unix/sysv/linux/sparc/sysdep.h (ALWAYS_USE_VSYSCALL):
	Likewise.
	* sysdeps/unix/sysv/linux/x86_64/sysdep.h (ALWAYS_USE_VSYSCALL):
	Likewise.
	* sysdeps/unix/sysv/linux/x86/libc-vdso.h: Remove #if USE_VSYSCALL.
	* sysdeps/unix/sysv/linux/sysdep-vdso.h: Likewise.
	* sysdeps/unix/sysv/linux/sysdep.h (ALWAYS_USE_VSYSCALL,
	USE_VSYSCALL): Remove defitions.
 2019-08-05 16:38:42 -03:00
Adhemerval Zanella
27a0914e45 riscv: Enable VDSO for static linking 
Checked on riscv64-linux-gnu-rv64imafdc-lp64d qemu system with
some static tests.

	[BZ #19767]
	* sysdeps/unix/sysv/linux/riscv/init-first.c: Remove #ifdef SHARED.
	* sysdeps/unix/sysv/linux/riscv/libc-vdso.h: Likewise.
	* sysdeps/unix/sysv/linux/riscv/sysdep.h (ALWAYS_USE_VSYSCALL):
	Define.
 2019-08-05 16:01:24 -03:00
Palmer Dabbelt
36960f0c76
RISC-V: Linux Syscall Interface 
Contains the Linux system call interface, as well as the definitions of
a handful of system calls.

2018-01-29  Palmer Dabbelt  <palmer@sifive.com>

        * sysdeps/riscv/nptl/nptl-sysdep.S: New file.
        * sysdeps/unix/sysv/linux/riscv/arch-fork.h: Likewise.
        * sysdeps/unix/sysv/linux/riscv/clone.S: Likewise.
        * sysdeps/unix/sysv/linux/riscv/profil-counter.h: Likewise.
        * sysdeps/unix/sysv/linux/riscv/pt-vfork.S: Likewise.
        * sysdeps/unix/sysv/linux/riscv/syscall.c: Likewise.
        * sysdeps/unix/sysv/linux/riscv/sysdep.S: Likewise.
        * sysdeps/unix/sysv/linux/riscv/sysdep.h: Likewise.
        * sysdeps/unix/sysv/linux/riscv/vfork.S: Likewise.
 2018-01-29 10:27:52 -08:00