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-rw-r--r--ports/sysdeps/mips/machine-gmon.h140
1 files changed, 140 insertions, 0 deletions
diff --git a/ports/sysdeps/mips/machine-gmon.h b/ports/sysdeps/mips/machine-gmon.h
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+++ b/ports/sysdeps/mips/machine-gmon.h
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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, see
+   <http://www.gnu.org/licenses/>.  */
+
+#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