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From http://www.ltc.com/~brad/mips/glibc-2.2.5-mips-build-gmon.diff
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See http://www.ltc.com/~brad/mips/mips-cross-toolchain.html
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--- glibc-2.2.5/sysdeps/mips/machine-gmon.h 2001-08-13 04:42:44.000000000 -0400
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+++ glibc-2.2.5/sysdeps/mips/machine-gmon.h 2002-09-25 17:10:59.000000000 -0400
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@@ -17,42 +17,52 @@
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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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-#define _MCOUNT_DECL static void __mcount
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+#define _MCOUNT_DECL(frompc,selfpc) \
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+static void __attribute_used__ __mcount (u_long frompc, u_long selfpc)
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/* Call __mcount with our the return PC for our caller,
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and the return PC our caller will return to. */
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#ifdef __PIC__
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#define CPLOAD ".cpload $25;"
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+#define CPRESTORE ".cprestore 44\n\t"
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#else
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#define CPLOAD
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+#define CPRESTORE
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#endif
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#define MCOUNT asm(\
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- ".globl _mcount;" \
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- ".align 2;" \
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- ".type _mcount,@function;" \
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- "_mcount:;" \
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- ".set noreorder;" \
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- ".set noat;" \
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+ ".globl _mcount;\n\t" \
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+ ".align 2;\n\t" \
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+ ".type _mcount,@function;\n\t" \
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+ ".ent _mcount\n\t" \
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+ "_mcount:\n\t" \
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+ ".frame $sp,44,$31\n\t" \
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+ ".set noreorder;\n\t" \
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+ ".set noat;\n\t" \
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CPLOAD \
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- "sw $4,8($29);" \
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- "sw $5,12($29);" \
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- "sw $6,16($29);" \
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- "sw $7,20($29);" \
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- "sw $1,0($29);" \
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- "sw $31,4($29);" \
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- "move $5,$31;" \
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- "move $4,$1;" \
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- "jal __mcount;" \
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- "nop;" \
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- "lw $4,8($29);" \
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- "lw $5,12($29);" \
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- "lw $6,16($29);" \
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- "lw $7,20($29);" \
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- "lw $31,4($29);" \
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- "lw $1,0($29);" \
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- "addu $29,$29,8;" \
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- "j $31;" \
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- "move $31,$1;" \
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- ".set reorder;" \
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- ".set at");
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+ "subu $29,$29,48;\n\t" \
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+ CPRESTORE \
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+ "sw $4,24($29);\n\t" \
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+ "sw $5,28($29);\n\t" \
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+ "sw $6,32($29);\n\t" \
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+ "sw $7,36($29);\n\t" \
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+ "sw $2,40($29);\n\t" \
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+ "sw $1,16($29);\n\t" \
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+ "sw $31,20($29);\n\t" \
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+ "move $5,$31;\n\t" \
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+ "move $4,$1;\n\t" \
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+ "jal __mcount;\n\t" \
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+ "nop;\n\t" \
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+ "lw $4,24($29);\n\t" \
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+ "lw $5,28($29);\n\t" \
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+ "lw $6,32($29);\n\t" \
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+ "lw $7,36($29);\n\t" \
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+ "lw $2,40($29);\n\t" \
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+ "lw $31,20($29);\n\t" \
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+ "lw $1,16($29);\n\t" \
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+ "addu $29,$29,56;\n\t" \
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+ "j $31;\n\t" \
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+ "move $31,$1;\n\t" \
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+ ".set reorder;\n\t" \
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+ ".set at\n\t" \
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+ ".end _mcount");
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