source: mainline/uspace/lib/c/arch/amd64/src/thread_entry.S@ a5c78a18

#
# Copyright (c) 2006 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
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#include <abi/asmtool.h>

.text

## User-space thread entry point for all but the first threads.
#
#
SYMBOL_BEGIN(__thread_entry)
        #
        # Create the first stack frame.
        #
        pushq $0
        pushq $0
        movq %rsp, %rbp

        #
        # RAX contains address of uarg
        #
        movq %rax, %rdi
        call FUNCTION_REF(__thread_main)
SYMBOL_END(__thread_entry)