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38 lines
1.4 KiB
C
38 lines
1.4 KiB
C
/* Low-level statistical profiling support function. Linux/ARM version.
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Copyright (C) 1996, 1997, 1998, 2002 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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#include <signal.h>
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#include <bits/armsigctx.h>
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void
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profil_counter (int signo, int _a2, int _a3, int _a4, union k_sigcontext sc)
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{
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void *pc;
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if (sc.v20.magic == SIGCONTEXT_2_0_MAGIC)
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pc = (void *) sc.v20.reg.ARM_pc;
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else
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pc = (void *) sc.v21.arm_pc;
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profil_count (pc);
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/* This is a hack to prevent the compiler from implementing the
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above function call as a sibcall. The sibcall would overwrite
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the signal context. */
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asm volatile ("");
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}
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