1 files changed, 59 insertions, 0 deletions
diff --git a/sysdeps/mach/x86/thread_state.h b/sysdeps/mach/x86/thread_state.h
new file mode 100644
index 0000000000..5be0bec150
--- /dev/null
+++ b/sysdeps/mach/x86/thread_state.h
@@ -0,0 +1,59 @@
+/* Mach thread state definitions for machine-independent code.  i386 version.
+   Copyright (C) 1994-2023 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   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
+   <https://www.gnu.org/licenses/>.  */
+
+#ifndef _MACH_X86_THREAD_STATE_H
+#define _MACH_X86_THREAD_STATE_H 1
+
+#include <mach/machine/thread_status.h>
+
+/* This lets the kernel define segments for a new thread.  */
+#define MACHINE_NEW_THREAD_STATE_FLAVOR	i386_THREAD_STATE
+/* This makes the kernel load our segments descriptors.  */
+#define MACHINE_THREAD_STATE_FLAVOR	i386_REGS_SEGS_STATE
+#define MACHINE_THREAD_STATE_COUNT	i386_THREAD_STATE_COUNT
+
+#define machine_thread_state i386_thread_state
+
+#ifdef __x86_64__
+#define PC rip
+#define SP ursp
+#define SYSRETURN rax
+#else
+#define PC eip
+#define SP uesp
+#define SYSRETURN eax
+#endif
+
+#define MACHINE_THREAD_STATE_FIX_NEW(ts) do { \
+	asm ("mov %%cs, %w0" : "=q" ((ts)->cs)); \
+	asm ("mov %%ds, %w0" : "=q" ((ts)->ds)); \
+	asm ("mov %%es, %w0" : "=q" ((ts)->es)); \
+	asm ("mov %%fs, %w0" : "=q" ((ts)->fs)); \
+	asm ("mov %%gs, %w0" : "=q" ((ts)->gs)); \
+} while(0)
+
+struct machine_thread_all_state
+  {
+    int set;			/* Mask of bits (1 << FLAVOR).  */
+    struct i386_thread_state basic;
+    struct i386_float_state fpu;
+  };
+
+#include <sysdeps/mach/thread_state.h>
+
+#endif /* mach/x86/thread_state.h */