yann@1: From http://www.ltc.com/~brad/mips/glibc-2.2.5-mips-build-gmon.diff
yann@1: See http://www.ltc.com/~brad/mips/mips-cross-toolchain.html
yann@1: 
yann@1: --- glibc-2.2.5/sysdeps/mips/machine-gmon.h	2001-08-13 04:42:44.000000000 -0400
yann@1: +++ glibc-2.2.5/sysdeps/mips/machine-gmon.h	2002-09-25 17:10:59.000000000 -0400
yann@1: @@ -17,42 +17,52 @@
yann@1:     Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
yann@1:     02111-1307 USA.  */
yann@1:  
yann@1: -#define _MCOUNT_DECL static void __mcount
yann@1: +#define _MCOUNT_DECL(frompc,selfpc) \
yann@1: +static void __attribute_used__ __mcount (u_long frompc, u_long selfpc)
yann@1:  
yann@1:  /* Call __mcount with our the return PC for our caller,
yann@1:     and the return PC our caller will return to.  */
yann@1:  #ifdef __PIC__
yann@1:  #define CPLOAD ".cpload $25;"
yann@1: +#define CPRESTORE ".cprestore 44\n\t"
yann@1:  #else
yann@1:  #define CPLOAD
yann@1: +#define CPRESTORE
yann@1:  #endif
yann@1:  
yann@1:  #define MCOUNT asm(\
yann@1: -	".globl _mcount;" \
yann@1: -	".align 2;" \
yann@1: -	".type _mcount,@function;" \
yann@1: -        "_mcount:;" \
yann@1: -        ".set noreorder;" \
yann@1: -        ".set noat;" \
yann@1: +	".globl _mcount;\n\t" \
yann@1: +	".align 2;\n\t" \
yann@1: +	".type _mcount,@function;\n\t" \
yann@1: +	".ent _mcount\n\t" \
yann@1: +        "_mcount:\n\t" \
yann@1: +        ".frame $sp,44,$31\n\t" \
yann@1: +        ".set noreorder;\n\t" \
yann@1: +        ".set noat;\n\t" \
yann@1:          CPLOAD \
yann@1: -        "sw $4,8($29);" \
yann@1: -        "sw $5,12($29);" \
yann@1: -        "sw $6,16($29);" \
yann@1: -        "sw $7,20($29);" \
yann@1: -        "sw $1,0($29);" \
yann@1: -        "sw $31,4($29);" \
yann@1: -        "move $5,$31;" \
yann@1: -        "move $4,$1;" \
yann@1: -        "jal __mcount;" \
yann@1: -	"nop;" \
yann@1: -        "lw $4,8($29);" \
yann@1: -        "lw $5,12($29);" \
yann@1: -        "lw $6,16($29);" \
yann@1: -        "lw $7,20($29);" \
yann@1: -        "lw $31,4($29);" \
yann@1: -        "lw $1,0($29);" \
yann@1: -        "addu $29,$29,8;" \
yann@1: -        "j $31;" \
yann@1: -        "move $31,$1;" \
yann@1: -        ".set reorder;" \
yann@1: -        ".set at");
yann@1: +	"subu $29,$29,48;\n\t" \
yann@1: +	CPRESTORE \
yann@1: +        "sw $4,24($29);\n\t" \
yann@1: +        "sw $5,28($29);\n\t" \
yann@1: +        "sw $6,32($29);\n\t" \
yann@1: +        "sw $7,36($29);\n\t" \
yann@1: +        "sw $2,40($29);\n\t" \
yann@1: +        "sw $1,16($29);\n\t" \
yann@1: +        "sw $31,20($29);\n\t" \
yann@1: +        "move $5,$31;\n\t" \
yann@1: +        "move $4,$1;\n\t" \
yann@1: +        "jal __mcount;\n\t" \
yann@1: +        "nop;\n\t" \
yann@1: +        "lw $4,24($29);\n\t" \
yann@1: +        "lw $5,28($29);\n\t" \
yann@1: +        "lw $6,32($29);\n\t" \
yann@1: +        "lw $7,36($29);\n\t" \
yann@1: +        "lw $2,40($29);\n\t" \
yann@1: +        "lw $31,20($29);\n\t" \
yann@1: +        "lw $1,16($29);\n\t" \
yann@1: +        "addu $29,$29,56;\n\t" \
yann@1: +        "j $31;\n\t" \
yann@1: +        "move $31,$1;\n\t" \
yann@1: +        ".set reorder;\n\t" \
yann@1: +        ".set at\n\t" \
yann@1: +        ".end _mcount");