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authorWaldemar Brodkorb <wbx@uclibc-ng.org>2018-02-04 15:34:18 +0000
committerWaldemar Brodkorb <wbx@uclibc-ng.org>2018-03-12 20:11:14 +0100
commit490e84f5e146485a26dea2f41279a4ff13aaca05 (patch)
tree03b9eab7297c5ad571b548b5ed916f17be78bf48 /libc/sysdeps/linux/tile/sys/ucontext.h
parent6e627523ee4b3fc00c30dcff74c2adf93e2b6840 (diff)
tile: add basic support for tilegx
This adds basic support for tile architecture. Only static binaries, no ld.so or threading support. Tested with qemu-tilegx only.
Diffstat (limited to 'libc/sysdeps/linux/tile/sys/ucontext.h')
-rw-r--r--libc/sysdeps/linux/tile/sys/ucontext.h96
1 files changed, 96 insertions, 0 deletions
diff --git a/libc/sysdeps/linux/tile/sys/ucontext.h b/libc/sysdeps/linux/tile/sys/ucontext.h
new file mode 100644
index 000000000..ed2c27b58
--- /dev/null
+++ b/libc/sysdeps/linux/tile/sys/ucontext.h
@@ -0,0 +1,96 @@
+/* Copyright (C) 2011-2018 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_UCONTEXT_H
+#define _SYS_UCONTEXT_H 1
+
+#include <features.h>
+#include <signal.h>
+#include <bits/sigcontext.h>
+
+#ifdef __USE_MISC
+# define __ctx(fld) fld
+#else
+# define __ctx(fld) __ ## fld
+#endif
+
+#ifdef __USE_MISC
+/* Get register type and register names. */
+# include <arch/abi.h>
+
+
+/* Type for general register. */
+typedef uint_reg_t greg_t;
+
+/* Number of general registers. Must agree with <asm/ptrace.h>. */
+# define NGREG 64
+
+/* Container for all general registers. */
+typedef greg_t gregset_t[NGREG];
+#endif
+
+#ifdef __USE_GNU
+/* Names for interesting registers in the `gregset_t' array. */
+enum
+{
+ /* ... r0 through r51 are just 0 through 51 ... */
+ REG_FP = TREG_FP,
+# define REG_FP REG_FP
+ REG_TP = TREG_TP,
+# define REG_TP REG_TP
+ REG_SP = TREG_SP,
+# define REG_SP REG_SP
+ REG_LR = TREG_LR,
+# define REG_LR REG_LR
+};
+#endif
+
+#define __need_int_reg_t
+#include <arch/abi.h>
+
+/* A machine context is exactly a sigcontext. */
+typedef struct
+ {
+ __extension__ union
+ {
+ __uint_reg_t __ctx(gregs)[56];
+ __extension__ struct
+ {
+ __uint_reg_t __ctx(__gregs)[53];
+ __uint_reg_t __ctx(tp);
+ __uint_reg_t __ctx(sp);
+ __uint_reg_t __ctx(lr);
+ };
+ };
+ __uint_reg_t __ctx(pc);
+ __uint_reg_t __ctx(ics);
+ __uint_reg_t __ctx(faultnum);
+ __uint_reg_t __glibc_reserved1[5];
+ } mcontext_t;
+
+/* Userlevel context. */
+typedef struct ucontext_t
+ {
+ unsigned long int __ctx(uc_flags);
+ struct ucontext_t *uc_link;
+ stack_t uc_stack;
+ mcontext_t uc_mcontext;
+ sigset_t uc_sigmask;
+ } ucontext_t;
+
+#undef __ctx
+
+#endif /* sys/ucontext.h */