From 5e0b8d508ed51004bd836384293be00950ee62c9 Mon Sep 17 00:00:00 2001
From: Pasha <pasha@member.fsf.org>
Date: Tue, 20 Feb 2024 18:49:50 +0000
Subject: init gnumach copy

---
 linux/src/include/asm-i386/sigcontext.h | 54 +++++++++++++++++++++++++++++++++
 1 file changed, 54 insertions(+)
 create mode 100644 linux/src/include/asm-i386/sigcontext.h

(limited to 'linux/src/include/asm-i386/sigcontext.h')

diff --git a/linux/src/include/asm-i386/sigcontext.h b/linux/src/include/asm-i386/sigcontext.h
new file mode 100644
index 0000000..df06596
--- /dev/null
+++ b/linux/src/include/asm-i386/sigcontext.h
@@ -0,0 +1,54 @@
+#ifndef _ASMi386_SIGCONTEXT_H
+#define _ASMi386_SIGCONTEXT_H
+
+/*
+ * As documented in the iBCS2 standard..
+ *
+ * The first part of "struct _fpstate" is just the
+ * normal i387 hardware setup, the extra "status"
+ * word is used to save the coprocessor status word
+ * before entering the handler.
+ */
+struct _fpreg {
+	unsigned short significand[4];
+	unsigned short exponent;
+};
+
+struct _fpstate {
+	unsigned long 	cw,
+			sw,
+			tag,
+			ipoff,
+			cssel,
+			dataoff,
+			datasel;
+	struct _fpreg	_st[8];
+	unsigned long	status;
+};
+
+struct sigcontext_struct {
+	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;
+};
+
+#endif
-- 
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