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+/* Machine-specific calling sequence for `mcount' profiling function. MIPS
+ Copyright (C) 1996, 1997, 2000, 2001, 2002, 2003, 2004
+ Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <sgidefs.h>
+
+#define _MCOUNT_DECL(frompc,selfpc) \
+static void __attribute_used__ __mcount (u_long frompc, u_long selfpc)
+
+/* Call __mcount with the return PC for our caller,
+ and the return PC our caller will return to. */
+
+#if _MIPS_SIM == _ABIO32
+
+#ifdef __PIC__
+# define CPLOAD ".cpload $25;"
+# define CPRESTORE ".cprestore 44\n\t"
+#else
+# define CPLOAD
+# define CPRESTORE
+#endif
+
+#define MCOUNT asm(\
+ ".globl _mcount;\n\t" \
+ ".align 2;\n\t" \
+ ".type _mcount,@function;\n\t" \
+ ".ent _mcount\n\t" \
+ "_mcount:\n\t" \
+ ".frame $sp,44,$31\n\t" \
+ ".set noreorder;\n\t" \
+ ".set noat;\n\t" \
+ CPLOAD \
+ "subu $29,$29,48;\n\t" \
+ CPRESTORE \
+ "sw $4,24($29);\n\t" \
+ "sw $5,28($29);\n\t" \
+ "sw $6,32($29);\n\t" \
+ "sw $7,36($29);\n\t" \
+ "sw $2,40($29);\n\t" \
+ "sw $1,16($29);\n\t" \
+ "sw $31,20($29);\n\t" \
+ "move $5,$31;\n\t" \
+ "move $4,$1;\n\t" \
+ "jal __mcount;\n\t" \
+ "nop;\n\t" \
+ "lw $4,24($29);\n\t" \
+ "lw $5,28($29);\n\t" \
+ "lw $6,32($29);\n\t" \
+ "lw $7,36($29);\n\t" \
+ "lw $2,40($29);\n\t" \
+ "lw $31,20($29);\n\t" \
+ "lw $1,16($29);\n\t" \
+ "addu $29,$29,56;\n\t" \
+ "j $31;\n\t" \
+ "move $31,$1;\n\t" \
+ ".set reorder;\n\t" \
+ ".set at\n\t" \
+ ".end _mcount");
+
+#else
+
+#ifdef __PIC__
+# define CPSETUP ".cpsetup $25, 88, _mcount;"
+# define CPRETURN ".cpreturn;"
+#else
+# define CPSETUP
+# define CPRETURN
+#endif
+
+#if _MIPS_SIM == _ABIN32
+# define PTR_ADDU_STRING "add" /* no u */
+# define PTR_SUBU_STRING "sub" /* no u */
+#elif _MIPS_SIM == _ABI64
+# define PTR_ADDU_STRING "daddu"
+# define PTR_SUBU_STRING "dsubu"
+#else
+# error "Unknown ABI"
+#endif
+
+#define MCOUNT asm(\
+ ".globl _mcount;\n\t" \
+ ".align 3;\n\t" \
+ ".type _mcount,@function;\n\t" \
+ ".ent _mcount\n\t" \
+ "_mcount:\n\t" \
+ ".frame $sp,88,$31\n\t" \
+ ".set noreorder;\n\t" \
+ ".set noat;\n\t" \
+ PTR_SUBU_STRING " $29,$29,96;\n\t" \
+ CPSETUP \
+ "sd $4,24($29);\n\t" \
+ "sd $5,32($29);\n\t" \
+ "sd $6,40($29);\n\t" \
+ "sd $7,48($29);\n\t" \
+ "sd $8,56($29);\n\t" \
+ "sd $9,64($29);\n\t" \
+ "sd $10,72($29);\n\t" \
+ "sd $11,80($29);\n\t" \
+ "sd $2,16($29);\n\t" \
+ "sd $1,0($29);\n\t" \
+ "sd $31,8($29);\n\t" \
+ "move $5,$31;\n\t" \
+ "move $4,$1;\n\t" \
+ "jal __mcount;\n\t" \
+ "nop;\n\t" \
+ "ld $4,24($29);\n\t" \
+ "ld $5,32($29);\n\t" \
+ "ld $6,40($29);\n\t" \
+ "ld $7,48($29);\n\t" \
+ "ld $8,56($29);\n\t" \
+ "ld $9,64($29);\n\t" \
+ "ld $10,72($29);\n\t" \
+ "ld $11,80($29);\n\t" \
+ "ld $2,16($29);\n\t" \
+ "ld $31,8($29);\n\t" \
+ "ld $1,0($29);\n\t" \
+ CPRETURN \
+ PTR_ADDU_STRING " $29,$29,96;\n\t" \
+ "j $31;\n\t" \
+ "move $31,$1;\n\t" \
+ ".set reorder;\n\t" \
+ ".set at\n\t" \
+ ".end _mcount");
+
+#endif