diff options
Diffstat (limited to 'libc/sysdeps/linux/mips/bits/machine-gmon.h')
-rw-r--r-- | libc/sysdeps/linux/mips/bits/machine-gmon.h | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/libc/sysdeps/linux/mips/bits/machine-gmon.h b/libc/sysdeps/linux/mips/bits/machine-gmon.h new file mode 100644 index 000000000..102da2c36 --- /dev/null +++ b/libc/sysdeps/linux/mips/bits/machine-gmon.h @@ -0,0 +1,68 @@ +/* Machine-specific calling sequence for `mcount' profiling function. MIPS + Copyright (C) 1996, 1997, 2000, 2001, 2002 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. */ + +#define _MCOUNT_DECL(frompc,selfpc) \ +static void __attribute_used__ __mcount (u_long frompc, u_long selfpc) + +/* Call __mcount with our the return PC for our caller, + and the return PC our caller will return to. */ +#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"); |