Commit Graph

3 Commits

Author SHA1 Message Date
Joseph Myers bef1cbf4da Add MAP_FIXED_NOREPLACE from Linux 4.17 to bits/mman.h.
Linux 4.17 adds MAP_FIXED_NOREPLACE (value 0x100000 on most
architectures, 0x200000 on alpha).  This patch adds that macro to
glibc's bits/mman.h headers.

Tested for x86_64.

	* sysdeps/unix/sysv/linux/aarch64/bits/mman.h [__USE_MISC]
	(MAP_FIXED_NOREPLACE): New macro.
	* sysdeps/unix/sysv/linux/alpha/bits/mman.h [__USE_MISC]
	(MAP_FIXED_NOREPLACE): Likewise.
	* sysdeps/unix/sysv/linux/arm/bits/mman.h [__USE_MISC]
	(MAP_FIXED_NOREPLACE): Likewise.
	* sysdeps/unix/sysv/linux/hppa/bits/mman.h [__USE_MISC]
	(MAP_FIXED_NOREPLACE): Likewise.
	* sysdeps/unix/sysv/linux/ia64/bits/mman.h [__USE_MISC]
	(MAP_FIXED_NOREPLACE): Likewise.
	* sysdeps/unix/sysv/linux/m68k/bits/mman.h [__USE_MISC]
	(MAP_FIXED_NOREPLACE): Likewise.
	* sysdeps/unix/sysv/linux/microblaze/bits/mman.h [__USE_MISC]
	(MAP_FIXED_NOREPLACE): Likewise.
	* sysdeps/unix/sysv/linux/mips/bits/mman.h [__USE_MISC]
	(MAP_FIXED_NOREPLACE): Likewise.
	* sysdeps/unix/sysv/linux/nios2/bits/mman.h [__USE_MISC]
	(MAP_FIXED_NOREPLACE): Likewise.
	* sysdeps/unix/sysv/linux/powerpc/bits/mman.h [__USE_MISC]
	(MAP_FIXED_NOREPLACE): Likewise.
	* sysdeps/unix/sysv/linux/riscv/bits/mman.h [__USE_MISC]
	(MAP_FIXED_NOREPLACE): Likewise.
	* sysdeps/unix/sysv/linux/s390/bits/mman.h [__USE_MISC]
	(MAP_FIXED_NOREPLACE): Likewise.
	* sysdeps/unix/sysv/linux/sh/bits/mman.h [__USE_MISC]
	(MAP_FIXED_NOREPLACE): Likewise.
	* sysdeps/unix/sysv/linux/sparc/bits/mman.h [__USE_MISC]
	(MAP_FIXED_NOREPLACE): Likewise.
	* sysdeps/unix/sysv/linux/x86/bits/mman.h [__USE_MISC]
	(MAP_FIXED_NOREPLACE): Likewise.
2018-06-05 11:04:46 +00:00
Joseph Myers e76def72eb Add MAP_SYNC from Linux 4.15.
This patch adds the MAP_SYNC macro from Linux 4.15 to various
bits/mman.h headers.  Note that this is *not* added to all
architectures: in Linux 4.15, this macro is only in
asm-generic/mman.h, and only some architectures' asm/mman.h include
the asm-generic file - the architectures not using the asm-generic
file will need their own values of MAP_SYNC allocated to support this
functionality (some of them also already have conflicting mmap flags
so the value there will have to be different from the generic
0x80000).  Specifically, for glibc architectures, alpha hppa mips
powerpc sparc tile lack allocations of values for MAP_SYNC.

Tested for x86_64.

	* sysdeps/unix/sysv/linux/aarch64/bits/mman.h [__USE_MISC]
	(MAP_SYNC): New macro.
	* sysdeps/unix/sysv/linux/arm/bits/mman.h [__USE_MISC] (MAP_SYNC):
	Likewise.
	* sysdeps/unix/sysv/linux/ia64/bits/mman.h [__USE_MISC]
	(MAP_SYNC): Likewise.
	* sysdeps/unix/sysv/linux/m68k/bits/mman.h [__USE_MISC]
	(MAP_SYNC): Likewise.
	* sysdeps/unix/sysv/linux/microblaze/bits/mman.h [__USE_MISC]
	(MAP_SYNC): Likewise.
	* sysdeps/unix/sysv/linux/nios2/bits/mman.h [__USE_MISC]
	(MAP_SYNC): Likewise.
	* sysdeps/unix/sysv/linux/riscv/bits/mman.h [__USE_MISC]
	(MAP_SYNC): Likewise.
	* sysdeps/unix/sysv/linux/s390/bits/mman.h [__USE_MISC]
	(MAP_SYNC): Likewise.
	* sysdeps/unix/sysv/linux/sh/bits/mman.h [__USE_MISC] (MAP_SYNC):
	Likewise.
	* sysdeps/unix/sysv/linux/x86/bits/mman.h [__USE_MISC] (MAP_SYNC):
	Likewise.
2018-02-06 00:36:14 +00:00
Palmer Dabbelt 7f33b09c65
RISC-V: Linux ABI
Linux-specific code that is required for maintaining ABI compatibility.
This doesn't contain the actual system call interface, that is split out
in order to avoid having a patch that's too big.

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

        * sysdeps/riscv/nptl/pthread-offsets.h: New file.
        * sysdeps/riscv/nptl/pthreaddef.h: Likewise.
        * sysdeps/unix/sysv/linux/riscv/bits/fcntl.h: Likewise.
        * sysdeps/unix/sysv/linux/riscv/bits/mman.h: Likewise.
        * sysdeps/unix/sysv/linux/riscv/bits/sigcontext.h: Likewise.
        * sysdeps/unix/sysv/linux/riscv/dl-cache.h: Likewise.
        * sysdeps/unix/sysv/linux/riscv/flush-icache.c: Likewise.
        * sysdeps/unix/sysv/linux/riscv/getcontext.S: Likewise.
        * sysdeps/unix/sysv/linux/riscv/init-first.c: Likewise.
        * sysdeps/unix/sysv/linux/riscv/libc-vdso.h: Likewise.
        * sysdeps/unix/sysv/linux/riscv/makecontext.c: Likewise.
        * sysdeps/unix/sysv/linux/riscv/readelflib.c: Likewise.
        * sysdeps/unix/sysv/linux/riscv/register-dump.h: Likewise.
        * sysdeps/unix/sysv/linux/riscv/setcontext.S: Likewise.
        * sysdeps/unix/sysv/linux/riscv/sigcontextinfo.h: Likewise.
        * sysdeps/unix/sysv/linux/riscv/swapcontext.S: Likewise.
        * sysdeps/unix/sysv/linux/riscv/sys/cachectl.h: Likewise.
        * sysdeps/unix/sysv/linux/riscv/sys/procfs.h: Likewise.
        * sysdeps/unix/sysv/linux/riscv/sys/ucontext.h: Likewise.
        * sysdeps/unix/sysv/linux/riscv/sys/user.h: Likewise.
        * sysdeps/unix/sysv/linux/riscv/ucontext-macros.h: Likewise.
        * sysdeps/unix/sysv/linux/riscv/ucontext_i.sym: Likewise.
2018-01-29 10:37:27 -08:00