source: mainline/uspace/lib/c/arch/arm32/include/libarch/fibril_context.ag@ 1a5eca4

# Copyright (c) 2014 Jakub Jermar 
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
#
# - Redistributions of source code must retain the above copyright
#   notice, this list of conditions and the following disclaimer.
# - Redistributions in binary form must reproduce the above copyright
#   notice, this list of conditions and the following disclaimer in the
#   documentation and/or other materials provided with the distribution.
# - The name of the author may not be used to endorse or promote products
#   derived from this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#

{
        name : context,

        includes : [
                {
                        include : <sys/types.h>
                },
        ],

       #
       # Only registers preserved accross function calls are included. r9 is
       # used to store a TLS address. -ffixed-r9 gcc forces gcc not to use this
       # register. -mtp=soft forces gcc to use #__aeabi_read_tp to obtain
       # TLS address.
       #
        members : [
                {
                        name : sp,
                        type : uintptr_t
                },
                {
                        name : pc,
                        type : uintptr_t
                },

                {
                        name : r4,
                        type : uint32_t
                },
                {
                        name : r5,
                        type : uint32_t
                },
                {
                        name : r6,
                        type : uint32_t
                },
                {
                        name : r7,
                        type : uint32_t
                },
                {
                        name : r8,
                        type : uint32_t
                },
                {
                        # r9
                        name : tls,
                        type : uint32_t
                },
                {
                        name : r10,
                        type : uint32_t
                },
                {
                        # r11
                        name : fp,
                        type : uint32_t
                }
        ]
}