source: mainline/uspace/lib/c/arch/arm32/src/stacktrace_asm.S@ 31e6aa7

#
# Copyright (c) 2009 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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# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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.text

.global stacktrace_prepare
.global stacktrace_fp_get
.global stacktrace_pc_get

stacktrace_prepare:
        mov pc, lr

stacktrace_fp_get:
        mov r0, fp
        mov pc, lr

stacktrace_pc_get:
        mov r0, lr
        mov pc, lr