From 2aa4a82499d4becd2284cdb482213d541b8804dd Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 28 Apr 2024 16:29:10 +0200 Subject: Adding upstream version 86.0.1. Signed-off-by: Daniel Baumann --- toolkit/xre/nsSigHandlers.h | 40 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 40 insertions(+) create mode 100644 toolkit/xre/nsSigHandlers.h (limited to 'toolkit/xre/nsSigHandlers.h') diff --git a/toolkit/xre/nsSigHandlers.h b/toolkit/xre/nsSigHandlers.h new file mode 100644 index 0000000000..f7424c026a --- /dev/null +++ b/toolkit/xre/nsSigHandlers.h @@ -0,0 +1,40 @@ +/* -*- Mode: C++; tab-width: 40; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#if defined(_M_IX86) || defined(_M_X64) || defined(__i386__) || \ + defined(__i386) || defined(__amd64__) + +/* + * x87 FPU Control Word: + * + * 0 -> IM Invalid Operation + * 1 -> DM Denormalized Operand + * 2 -> ZM Zero Divide + * 3 -> OM Overflow + * 4 -> UM Underflow + * 5 -> PM Precision + */ +# define FPU_EXCEPTION_MASK 0x3f + +/* + * x86 FPU Status Word: + * + * 0..5 -> Exception flags (see x86 FPU Control Word) + * 6 -> SF Stack Fault + * 7 -> ES Error Summary Status + */ +# define FPU_STATUS_FLAGS 0xff + +/* + * MXCSR Control and Status Register: + * + * 0..5 -> Exception flags (see x86 FPU Control Word) + * 6 -> DAZ Denormals Are Zero + * 7..12 -> Exception mask (see x86 FPU Control Word) + */ +# define SSE_STATUS_FLAGS FPU_EXCEPTION_MASK +# define SSE_EXCEPTION_MASK (FPU_EXCEPTION_MASK << 7) + +#endif -- cgit v1.2.3