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authorWaldemar Brodkorb <wbrodkorb@conet.de>2018-05-31 01:04:17 +0200
committerWaldemar Brodkorb <wbrodkorb@conet.de>2018-06-10 06:35:18 +0200
commit9595fb8cd595028bece5174e7eddf660ae3dcc10 (patch)
tree56ffac7a96d15a2a9c825a4f96c3f1bcea7c4fa0 /libc/sysdeps/linux/riscv64/bits/mman.h
parentdf8caec1978cb5fe7d9a7e7ea9dd773605e89032 (diff)
risc-v: initial 64 bit port, static only (no TLS/NPTL)
Only a simple hello world is tested in qemu system emulation.
Diffstat (limited to 'libc/sysdeps/linux/riscv64/bits/mman.h')
-rw-r--r--libc/sysdeps/linux/riscv64/bits/mman.h37
1 files changed, 37 insertions, 0 deletions
diff --git a/libc/sysdeps/linux/riscv64/bits/mman.h b/libc/sysdeps/linux/riscv64/bits/mman.h
new file mode 100644
index 000000000..316f87d99
--- /dev/null
+++ b/libc/sysdeps/linux/riscv64/bits/mman.h
@@ -0,0 +1,37 @@
+/* Definitions for POSIX memory map interface. Linux/RISC-V version.
+ Copyright (C) 1997-2018 Free Software Foundation, Inc.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library. If not, see
+ <http://www.gnu.org/licenses/>. */
+
+#ifndef _SYS_MMAN_H
+# error "Never use <bits/mman.h> directly; include <sys/mman.h> instead."
+#endif
+
+#ifdef __USE_MISC
+# define MAP_GROWSDOWN 0x00100 /* Stack-like segment. */
+# define MAP_DENYWRITE 0x00800 /* ETXTBSY. */
+# define MAP_EXECUTABLE 0x01000 /* Mark it as an executable. */
+# define MAP_LOCKED 0x02000 /* Lock the mapping. */
+# define MAP_NORESERVE 0x04000 /* Don't check for reservations. */
+# define MAP_POPULATE 0x08000 /* Populate (prefault) pagetables. */
+# define MAP_NONBLOCK 0x10000 /* Do not block on IO. */
+# define MAP_STACK 0x20000 /* Allocation is for a stack. */
+# define MAP_HUGETLB 0x40000 /* Create huge page mapping. */
+# define MAP_SYNC 0x80000 /* Perform synchronous page
+ faults for the mapping. */
+#endif
+
+/* Include generic Linux declarations. */
+#include <bits/mman-linux.h>