1 files changed, 151 insertions, 0 deletions
diff --git a/libc/sysdeps/linux/x86_64/bits/sigcontext.h b/libc/sysdeps/linux/x86_64/bits/sigcontext.h
new file mode 100644
index 000000000..08d4c52b2
--- /dev/null
+++ b/libc/sysdeps/linux/x86_64/bits/sigcontext.h
@@ -0,0 +1,151 @@
+/* Copyright (C) 2002 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, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#ifndef _BITS_SIGCONTEXT_H
+#define _BITS_SIGCONTEXT_H  1
+
+#if !defined _SIGNAL_H && !defined _SYS_UCONTEXT_H
+# error "Never use <bits/sigcontext.h> directly; include <signal.h> instead."
+#endif
+
+#include <bits/wordsize.h>
+
+struct _fpreg
+{
+  unsigned short significand[4];
+  unsigned short exponent;
+};
+
+struct _fpxreg
+{
+  unsigned short significand[4];
+  unsigned short exponent;
+  unsigned short padding[3];
+};
+
+struct _xmmreg
+{
+  __uint32_t	element[4];
+};
+
+
+
+#if __WORDSIZE == 32
+
+struct _fpstate
+{
+  /* Regular FPU environment.  */
+  __uint32_t	cw;
+  __uint32_t		sw;
+  __uint32_t		tag;
+  __uint32_t		ipoff;
+  __uint32_t		cssel;
+  __uint32_t		dataoff;
+  __uint32_t		datasel;
+  struct _fpreg	_st[8];
+  unsigned short status;
+  unsigned short magic;
+
+  /* FXSR FPU environment.  */
+  __uint32_t		_fxsr_env[6];
+  __uint32_t		mxcsr;
+  __uint32_t		reserved;
+  struct _fpxreg	_fxsr_st[8];
+  struct _xmmreg	_xmm[8];
+  __uint32_t		padding[56];
+};
+
+struct sigcontext
+{
+  unsigned short gs, __gsh;
+  unsigned short fs, __fsh;
+  unsigned short es, __esh;
+  unsigned short ds, __dsh;
+  unsigned long edi;
+  unsigned long esi;
+  unsigned long ebp;
+  unsigned long esp;
+  unsigned long ebx;
+  unsigned long edx;
+  unsigned long ecx;
+  unsigned long eax;
+  unsigned long trapno;
+  unsigned long err;
+  unsigned long eip;
+  unsigned short cs, __csh;
+  unsigned long eflags;
+  unsigned long esp_at_signal;
+  unsigned short ss, __ssh;
+  struct _fpstate * fpstate;
+  unsigned long oldmask;
+  unsigned long cr2;
+};
+
+#else /* __WORDSIZE == 64 */
+
+struct _fpstate
+{
+  /* FPU environment matching the 64-bit FXSAVE layout.  */
+  __uint16_t		cwd;
+  __uint16_t		swd;
+  __uint16_t		ftw;
+  __uint16_t		fop;
+  __uint64_t		rip;
+  __uint64_t		rdp;
+  __uint32_t		mxcsr;
+  __uint32_t		mxcr_mask;
+  struct _fpxreg	_st[8];
+  struct _xmmreg	_xmm[16];
+  __uint32_t		padding[24];
+};
+
+struct sigcontext
+{
+  unsigned long r8;
+  unsigned long r9;
+  unsigned long r10;
+  unsigned long r11;
+  unsigned long r12;
+  unsigned long r13;
+  unsigned long r14;
+  unsigned long r15;
+  unsigned long rdi;
+  unsigned long rsi;
+  unsigned long rbp;
+  unsigned long rbx;
+  unsigned long rdx;
+  unsigned long rax;
+  unsigned long rcx;
+  unsigned long rsp;
+  unsigned long rip;
+  unsigned long eflags;
+  unsigned short cs;
+  unsigned short gs;
+  unsigned short fs;
+  unsigned short __pad0;
+  unsigned long err;
+  unsigned long trapno;
+  unsigned long oldmask;
+  unsigned long cr2;
+  struct _fpstate * fpstate;
+  unsigned long __reserved1 [8];
+};
+
+#endif /* __WORDSIZE == 64 */
+
+#endif /* _BITS_SIGCONTEXT_H */