about summary refs log tree commit diff
path: root/sysdeps/mips/sys
diff options
context:
space:
mode:
authorJakub Jelinek <jakub@redhat.com>2007-07-12 18:26:36 +0000
committerJakub Jelinek <jakub@redhat.com>2007-07-12 18:26:36 +0000
commit0ecb606cb6cf65de1d9fc8a919bceb4be476c602 (patch)
tree2ea1f8305970753e4a657acb2ccc15ca3eec8e2c /sysdeps/mips/sys
parent7d58530341304d403a6626d7f7a1913165fe2f32 (diff)
downloadglibc-0ecb606cb6cf65de1d9fc8a919bceb4be476c602.tar.gz
glibc-0ecb606cb6cf65de1d9fc8a919bceb4be476c602.tar.xz
glibc-0ecb606cb6cf65de1d9fc8a919bceb4be476c602.zip
2.5-18.1
Diffstat (limited to 'sysdeps/mips/sys')
-rw-r--r--sysdeps/mips/sys/asm.h473
-rw-r--r--sysdeps/mips/sys/fpregdef.h61
-rw-r--r--sysdeps/mips/sys/regdef.h82
-rw-r--r--sysdeps/mips/sys/ucontext.h159
4 files changed, 0 insertions, 775 deletions
diff --git a/sysdeps/mips/sys/asm.h b/sysdeps/mips/sys/asm.h
deleted file mode 100644
index b04c36ba5e..0000000000
--- a/sysdeps/mips/sys/asm.h
+++ /dev/null
@@ -1,473 +0,0 @@
-/* Copyright (C) 1997, 1998, 2002, 2003, 2004 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-   Contributed by Ralf Baechle <ralf@gnu.org>.
-
-   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.  */
-
-#ifndef _SYS_ASM_H
-#define _SYS_ASM_H
-
-#include <sgidefs.h>
-
-#ifndef CAT
-# ifdef __STDC__
-#  define __CAT(str1,str2) str1##str2
-# else
-#  define __CAT(str1,str2) str1/**/str2
-# endif
-# define CAT(str1,str2) __CAT(str1,str2)
-#endif
-
-/*
- * Macros to handle different pointer/register sizes for 32/64-bit code
- *
- * 64 bit address space isn't used yet, so we may use the R3000 32 bit
- * defines for now.
- */
-#if _MIPS_SIM == _ABIO32 || _MIPS_SIM == _ABIN32
-# define PTR .word
-# define PTRSIZE 4
-# define PTRLOG 2
-#elif _MIPS_SIM == _ABI64
-# define PTR .dword
-# define PTRSIZE 8
-# define PTRLOG 3
-#endif
-
-/*
- * PIC specific declarations
- */
-#if _MIPS_SIM == _ABIO32
-# ifdef __PIC__
-#  define CPRESTORE(register) \
-		.cprestore register
-#  define CPLOAD(register) \
-		.cpload register
-# else
-#  define CPRESTORE(register)
-#  define CPLOAD(register)
-# endif
-
-# define CPADD(register) \
-		.cpadd	register
-
-/*
- * Set gp when at 1st instruction
- */
-# define SETUP_GP					\
-		.set noreorder;				\
-		.cpload $25;				\
-		.set reorder
-/* Set gp when not at 1st instruction */
-# define SETUP_GPX(r)					\
-		.set noreorder;				\
-		move r, $31;	 /* Save old ra.  */	\
-		bal 10f; /* Find addr of cpload.  */	\
-		nop;					\
-10:							\
-		.cpload $31;				\
-		move $31, r;				\
-		.set reorder
-# define SETUP_GPX_L(r, l)				\
-		.set noreorder;				\
-		move r, $31;	 /* Save old ra.  */	\
-		bal l;   /* Find addr of cpload.  */	\
-		nop;					\
-l:							\
-		.cpload $31;				\
-		move $31, r;				\
-		.set reorder
-# define SAVE_GP(x) \
-		.cprestore x /* Save gp trigger t9/jalr conversion.	 */
-# define SETUP_GP64(a, b)
-# define SETUP_GPX64(a, b)
-# define SETUP_GPX64_L(cp_reg, ra_save, l)
-# define RESTORE_GP64
-# define USE_ALT_CP(a)
-#else /* _MIPS_SIM == _ABI64 || _MIPS_SIM == _ABIN32 */
-/*
- * For callee-saved gp calling convention:
- */
-# define SETUP_GP
-# define SETUP_GPX(r)
-# define SETUP_GPX_L(r, l)
-# define SAVE_GP(x)
-
-# define SETUP_GP64(gpoffset, proc) \
-		.cpsetup $25, gpoffset, proc
-# define SETUP_GPX64(cp_reg, ra_save)			\
-		move ra_save, $31; /* Save old ra.  */	\
-		.set noreorder;				\
-		bal 10f; /* Find addr of .cpsetup.  */	\
-		nop;					\
-10:							\
-		.set reorder;				\
-		.cpsetup $31, cp_reg, 10b;		\
-		move $31, ra_save
-# define SETUP_GPX64_L(cp_reg, ra_save, l)  \
-		move ra_save, $31; /* Save old ra.  */	\
-		.set noreorder;				\
-		bal l;   /* Find addr of .cpsetup.  */	\
-		nop;					\
-l:							\
-		.set reorder;				\
-		.cpsetup $31, cp_reg, l;		\
-		move $31, ra_save
-# define RESTORE_GP64 \
-		.cpreturn
-/* Use alternate register for context pointer.  */
-# define USE_ALT_CP(reg)	\
-		.cplocal reg
-#endif /* _MIPS_SIM != _ABIO32 */
-
-/*
- * Stack Frame Definitions
- */
-#if _MIPS_SIM == _ABIO32
-# define NARGSAVE 4 /* Space for 4 argument registers must be allocated.  */
-#endif
-#if _MIPS_SIM == _ABI64 || _MIPS_SIM == _ABIN32
-# define NARGSAVE 0 /* No caller responsibilities.  */
-#endif
-
-
-/*
- * LEAF - declare leaf routine
- */
-#define	LEAF(symbol)                                    \
-		.globl	symbol;                         \
-		.align	2;                              \
-		.type	symbol,@function;               \
-		.ent	symbol,0;                       \
-symbol:		.frame	sp,0,ra
-
-/*
- * NESTED - declare nested routine entry point
- */
-#define	NESTED(symbol, framesize, rpc)                  \
-		.globl	symbol;                         \
-		.align	2;                              \
-		.type	symbol,@function;               \
-		.ent	symbol,0;                       \
-symbol:		.frame	sp, framesize, rpc
-
-/*
- * END - mark end of function
- */
-#ifndef END
-# define END(function)                                   \
-		.end	function;		        \
-		.size	function,.-function
-#endif
-
-/*
- * EXPORT - export definition of symbol
- */
-#define	EXPORT(symbol)                                  \
-		.globl	symbol;                         \
-symbol:
-
-/*
- * ABS - export absolute symbol
- */
-#define	ABS(symbol,value)                               \
-		.globl	symbol;                         \
-symbol		=	value
-
-#define	PANIC(msg)                                      \
-		.set	push;				\
-		.set	reorder;                        \
-		la	a0,8f;                          \
-		jal	panic;                          \
-9:		b	9b;                             \
-		.set	pop;				\
-		TEXT(msg)
-
-/*
- * Print formated string
- */
-#define PRINT(string)                                   \
-		.set	push;				\
-		.set	reorder;                        \
-		la	a0,8f;                          \
-		jal	printk;                         \
-		.set	pop;				\
-		TEXT(string)
-
-#define	TEXT(msg)                                       \
-		.data;                                  \
-8:		.asciiz	msg;                            \
-		.previous;
-
-/*
- * Build text tables
- */
-#define TTABLE(string)                                  \
-		.text;                                  \
-		.word	1f;                             \
-		.previous;                              \
-		.data;                                  \
-1:		.asciz	string;                         \
-		.previous
-
-/*
- * MIPS IV pref instruction.
- * Use with .set noreorder only!
- *
- * MIPS IV implementations are free to treat this as a nop.  The R5000
- * is one of them.  So we should have an option not to use this instruction.
- */
-#if (_MIPS_ISA == _MIPS_ISA_MIPS4) || (_MIPS_ISA == _MIPS_ISA_MIPS5) || \
-    (_MIPS_ISA == _MIPS_ISA_MIPS32) || (_MIPS_ISA == _MIPS_ISA_MIPS64)
-# define PREF(hint,addr)                                 \
-		pref	hint,addr
-# define PREFX(hint,addr)                                \
-		prefx	hint,addr
-#else
-# define PREF
-# define PREFX
-#endif
-
-/*
- * MIPS ISA IV/V movn/movz instructions and equivalents for older CPUs.
- */
-#if _MIPS_ISA == _MIPS_ISA_MIPS1
-# define MOVN(rd,rs,rt)					\
-		.set	push;				\
-		.set	reorder;			\
-		beqz	rt,9f;				\
-		move	rd,rs;				\
-		.set	pop;				\
-9:
-# define MOVZ(rd,rs,rt)					\
-		.set	push;				\
-		.set	reorder;			\
-		bnez	rt,9f;				\
-		move	rd,rt;				\
-		.set	pop;				\
-9:
-#endif /* _MIPS_ISA == _MIPS_ISA_MIPS1 */
-#if (_MIPS_ISA == _MIPS_ISA_MIPS2) || (_MIPS_ISA == _MIPS_ISA_MIPS3)
-# define MOVN(rd,rs,rt)					\
-		.set	push;				\
-		.set	noreorder;			\
-		bnezl	rt,9f;				\
-		move	rd,rs;				\
-		.set	pop;				\
-9:
-# define MOVZ(rd,rs,rt)					\
-		.set	push;				\
-		.set	noreorder;			\
-		beqzl	rt,9f;				\
-		movz	rd,rs;				\
-		.set	pop;				\
-9:
-#endif /* (_MIPS_ISA == _MIPS_ISA_MIPS2) || (_MIPS_ISA == _MIPS_ISA_MIPS3) */
-#if (_MIPS_ISA == _MIPS_ISA_MIPS4) || (_MIPS_ISA == _MIPS_ISA_MIPS5) || \
-    (_MIPS_ISA == _MIPS_ISA_MIPS32) || (_MIPS_ISA == _MIPS_ISA_MIPS64)
-# define MOVN(rd,rs,rt)					\
-		movn	rd,rs,rt
-# define MOVZ(rd,rs,rt)					\
-		movz	rd,rs,rt
-#endif /* (_MIPS_ISA == _MIPS_ISA_MIPS4) || (_MIPS_ISA == _MIPS_ISA_MIPS5) */
-
-/*
- * Stack alignment
- */
-#if _MIPS_SIM == _ABI64 || _MIPS_SIM == _ABIN32
-# define ALSZ	15
-# define ALMASK	~15
-#else
-# define ALSZ	7
-# define ALMASK	~7
-#endif
-
-/*
- * Size of a register
- */
-#if _MIPS_SIM == _ABI64 || _MIPS_SIM == _ABIN32
-# define SZREG	8
-#else
-# define SZREG	4
-#endif
-
-/*
- * Use the following macros in assemblercode to load/store registers,
- * pointers etc.
- */
-#if (SZREG == 4)
-# define REG_S sw
-# define REG_L lw
-#else
-# define REG_S sd
-# define REG_L ld
-#endif
-
-/*
- * How to add/sub/load/store/shift C int variables.
- */
-#if (_MIPS_SZINT == 32)
-# define INT_ADD	add
-# define INT_ADDI	addi
-# define INT_ADDU	addu
-# define INT_ADDIU	addiu
-# define INT_SUB	add
-# define INT_SUBI	subi
-# define INT_SUBU	subu
-# define INT_SUBIU	subu
-# define INT_L		lw
-# define INT_S		sw
-#endif
-
-#if (_MIPS_SZINT == 64)
-# define INT_ADD	dadd
-# define INT_ADDI	daddi
-# define INT_ADDU	daddu
-# define INT_ADDIU	daddiu
-# define INT_SUB	dadd
-# define INT_SUBI	dsubi
-# define INT_SUBU	dsubu
-# define INT_SUBIU	dsubu
-# define INT_L		ld
-# define INT_S		sd
-#endif
-
-/*
- * How to add/sub/load/store/shift C long variables.
- */
-#if (_MIPS_SZLONG == 32)
-# define LONG_ADD	add
-# define LONG_ADDI	addi
-# define LONG_ADDU	addu
-# define LONG_ADDIU	addiu
-# define LONG_SUB	add
-# define LONG_SUBI	subi
-# define LONG_SUBU	subu
-# define LONG_SUBIU	subu
-# define LONG_L		lw
-# define LONG_S		sw
-# define LONG_SLL	sll
-# define LONG_SLLV	sllv
-# define LONG_SRL	srl
-# define LONG_SRLV	srlv
-# define LONG_SRA	sra
-# define LONG_SRAV	srav
-#endif
-
-#if (_MIPS_SZLONG == 64)
-# define LONG_ADD	dadd
-# define LONG_ADDI	daddi
-# define LONG_ADDU	daddu
-# define LONG_ADDIU	daddiu
-# define LONG_SUB	dadd
-# define LONG_SUBI	dsubi
-# define LONG_SUBU	dsubu
-# define LONG_SUBIU	dsubu
-# define LONG_L		ld
-# define LONG_S		sd
-# define LONG_SLL	dsll
-# define LONG_SLLV	dsllv
-# define LONG_SRL	dsrl
-# define LONG_SRLV	dsrlv
-# define LONG_SRA	dsra
-# define LONG_SRAV	dsrav
-#endif
-
-/*
- * How to add/sub/load/store/shift pointers.
- */
-#if (_MIPS_SIM == _ABIO32 && _MIPS_SZPTR == 32)
-# define PTR_ADD	add
-# define PTR_ADDI	addi
-# define PTR_ADDU	addu
-# define PTR_ADDIU	addiu
-# define PTR_SUB	add
-# define PTR_SUBI	subi
-# define PTR_SUBU	subu
-# define PTR_SUBIU	subu
-# define PTR_L		lw
-# define PTR_LA		la
-# define PTR_S		sw
-# define PTR_SLL	sll
-# define PTR_SLLV	sllv
-# define PTR_SRL	srl
-# define PTR_SRLV	srlv
-# define PTR_SRA	sra
-# define PTR_SRAV	srav
-
-# define PTR_SCALESHIFT	2
-#endif
-
-#if _MIPS_SIM == _ABIN32
-# define PTR_ADD	add
-# define PTR_ADDI	addi
-# define PTR_ADDU	add /* no u */
-# define PTR_ADDIU	addi /* no u */
-# define PTR_SUB	add
-# define PTR_SUBI	subi
-# define PTR_SUBU	sub /* no u */
-# define PTR_SUBIU	sub /* no u */
-# define PTR_L		lw
-# define PTR_LA		la
-# define PTR_S		sw
-# define PTR_SLL	sll
-# define PTR_SLLV	sllv
-# define PTR_SRL	srl
-# define PTR_SRLV	srlv
-# define PTR_SRA	sra
-# define PTR_SRAV	srav
-
-# define PTR_SCALESHIFT	2
-#endif
-
-#if (_MIPS_SIM == _ABIO32 && _MIPS_SZPTR == 64 /* o64??? */) \
-    || _MIPS_SIM == _ABI64
-# define PTR_ADD	dadd
-# define PTR_ADDI	daddi
-# define PTR_ADDU	daddu
-# define PTR_ADDIU	daddiu
-# define PTR_SUB	dadd
-# define PTR_SUBI	dsubi
-# define PTR_SUBU	dsubu
-# define PTR_SUBIU	dsubu
-# define PTR_L		ld
-# define PTR_LA		dla
-# define PTR_S		sd
-# define PTR_SLL	dsll
-# define PTR_SLLV	dsllv
-# define PTR_SRL	dsrl
-# define PTR_SRLV	dsrlv
-# define PTR_SRA	dsra
-# define PTR_SRAV	dsrav
-
-# define PTR_SCALESHIFT	3
-#endif
-
-/*
- * Some cp0 registers were extended to 64bit for MIPS III.
- */
-#if (_MIPS_ISA == _MIPS_ISA_MIPS1) || (_MIPS_ISA == _MIPS_ISA_MIPS2) || \
-    (_MIPS_ISA == _MIPS_ISA_MIPS32)
-# define MFC0	mfc0
-# define MTC0	mtc0
-#endif
-#if (_MIPS_ISA == _MIPS_ISA_MIPS3) || (_MIPS_ISA == _MIPS_ISA_MIPS4) || \
-    (_MIPS_ISA == _MIPS_ISA_MIPS5) || (_MIPS_ISA == _MIPS_ISA_MIPS64)
-# define MFC0	dmfc0
-# define MTC0	dmtc0
-#endif
-
-#endif /* sys/asm.h */
diff --git a/sysdeps/mips/sys/fpregdef.h b/sysdeps/mips/sys/fpregdef.h
deleted file mode 100644
index 378115274f..0000000000
--- a/sysdeps/mips/sys/fpregdef.h
+++ /dev/null
@@ -1,61 +0,0 @@
-/* Copyright (C) 1991, 92, 94, 95, 96, 97, 98 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.  */
-
-#ifndef _SYS_FPREGDEF_H
-#define _SYS_FPREGDEF_H
-
-/*
- * These definitions only cover the R3000-ish 16/32 register model.
- * But we're trying to be R3000 friendly anyway ...
- */
-#define fv0	$f0      /* return value */
-#define fv0f	$f1
-#define fv1	$f2
-#define fv1f	$f3
-#define fa0	$f12     /* argument registers */
-#define fa0f	$f13
-#define fa1	$f14
-#define fa1f	$f15
-#define ft0	$f4      /* caller saved */
-#define ft0f	$f5
-#define ft1	$f6
-#define ft1f	$f7
-#define ft2	$f8
-#define ft2f	$f9
-#define ft3	$f10
-#define ft3f	$f11
-#define ft4	$f16
-#define ft4f	$f17
-#define ft5	$f18
-#define ft5f	$f19
-#define fs0	$f20     /* callee saved */
-#define fs0f	$f21
-#define fs1	$f22
-#define fs1f	$f23
-#define fs2	$f24
-#define fs2f	$f25
-#define fs3	$f26
-#define fs3f	$f27
-#define fs4	$f28
-#define fs4f	$f29
-#define fs5	$f30
-#define fs5f	$f31
-
-#define fcr31	$31      /* FPU status register */
-
-#endif /* sys/fpregdef.h */
diff --git a/sysdeps/mips/sys/regdef.h b/sysdeps/mips/sys/regdef.h
deleted file mode 100644
index 8fb898a2d0..0000000000
--- a/sysdeps/mips/sys/regdef.h
+++ /dev/null
@@ -1,82 +0,0 @@
-/* Copyright (C) 1997, 1998, 2002, 2003, 2004 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-   Contributed by Ralf Baechle <ralf@gnu.org>.
-
-   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.  */
-
-#ifndef _SYS_REGDEF_H
-#define _SYS_REGDEF_H
-
-#include <sgidefs.h>
-
-/*
- * Symbolic register names for 32 bit ABI
- */
-#define zero    $0      /* wired zero */
-#define AT      $1      /* assembler temp  - uppercase because of ".set at" */
-#define v0      $2      /* return value */
-#define v1      $3
-#define a0      $4      /* argument registers */
-#define a1      $5
-#define a2      $6
-#define a3      $7
-#if _MIPS_SIM != _ABIO32
-#define a4      $8
-#define a5      $9
-#define a6      $10
-#define a7      $11
-#define t0      $12
-#define t1      $13
-#define t2      $14
-#define t3      $15
-#define ta0     a4
-#define ta1     a5
-#define ta2     a6
-#define ta3     a7
-#else /* if _MIPS_SIM == _ABIO32 */
-#define t0      $8      /* caller saved */
-#define t1      $9
-#define t2      $10
-#define t3      $11
-#define t4      $12
-#define t5      $13
-#define t6      $14
-#define t7      $15
-#define ta0     t4
-#define ta1     t5
-#define ta2     t6
-#define ta3     t7
-#endif /* _MIPS_SIM == _ABIO32 */
-#define s0      $16     /* callee saved */
-#define s1      $17
-#define s2      $18
-#define s3      $19
-#define s4      $20
-#define s5      $21
-#define s6      $22
-#define s7      $23
-#define t8      $24     /* caller saved */
-#define t9      $25
-#define jp      $25     /* PIC jump register */
-#define k0      $26     /* kernel scratch */
-#define k1      $27
-#define gp      $28     /* global pointer */
-#define sp      $29     /* stack pointer */
-#define fp      $30     /* frame pointer */
-#define s8	$30	/* same like fp! */
-#define ra      $31     /* return address */
-
-#endif /* _SYS_REGDEF_H */
diff --git a/sysdeps/mips/sys/ucontext.h b/sysdeps/mips/sys/ucontext.h
deleted file mode 100644
index fe378e94cd..0000000000
--- a/sysdeps/mips/sys/ucontext.h
+++ /dev/null
@@ -1,159 +0,0 @@
-/* Copyright (C) 1998, 1999, 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.  */
-
-/* System V/mips ABI compliant context switching support.  */
-
-#ifndef _SYS_UCONTEXT_H
-#define _SYS_UCONTEXT_H	1
-
-#include <features.h>
-#include <sgidefs.h>
-#include <signal.h>
-
-/* Type for general register.  */
-#if _MIPS_SIM == _ABIO32
-typedef __uint32_t greg_t;
-#else
-typedef __uint64_t greg_t;
-#endif
-
-/* Number of general registers.  */
-#define NGREG	36
-
-/* Container for all general registers.  */
-typedef greg_t gregset_t[NGREG];
-
-/* Number of each register is the `gregset_t' array.  */
-enum
-{
-  CTX_R0 = 0,
-#define CTX_R0	CTX_R0
-  CTX_AT = 1,
-#define CTX_AT	CTX_AT
-  CTX_V0 = 2,
-#define CTX_V0	CTX_V0
-  CTX_V1 = 3,
-#define CTX_V1	CTX_V1
-  CTX_A0 = 4,
-#define CTX_A0	CTX_A0
-  CTX_A1 = 5,
-#define CTX_A1	CTX_A1
-  CTX_A2 = 6,
-#define CTX_A2	CTX_A2
-  CTX_A3 = 7,
-#define CTX_A3	CTX_A3
-  CTX_T0 = 8,
-#define CTX_T0	CTX_T0
-  CTX_T1 = 9,
-#define CTX_T1	CTX_T1
-  CTX_T2 = 10,
-#define CTX_T2	CTX_T2
-  CTX_T3 = 11,
-#define CTX_T3	CTX_T3
-  CTX_T4 = 12,
-#define CTX_T4	CTX_T4
-  CTX_T5 = 13,
-#define CTX_T5	CTX_T5
-  CTX_T6 = 14,
-#define CTX_T6	CTX_T6
-  CTX_T7 = 15,
-#define CTX_T7	CTX_T7
-  CTX_S0 = 16,
-#define CTX_S0	CTX_S0
-  CTX_S1 = 17,
-#define CTX_S1	CTX_S1
-  CTX_S2 = 18,
-#define CTX_S2	CTX_S2
-  CTX_S3 = 19,
-#define CTX_S3	CTX_S3
-  CTX_S4 = 20,
-#define CTX_S4	CTX_S4
-  CTX_S5 = 21,
-#define CTX_S5	CTX_S5
-  CTX_S6 = 22,
-#define CTX_S6	CTX_S6
-  CTX_S7 = 23,
-#define CTX_S7	CTX_S7
-  CTX_T8 = 24,
-#define CTX_T8	CTX_T8
-  CTX_T9 = 25,
-#define CTX_T9	CTX_T9
-  CTX_K0 = 26,
-#define CTX_K0	CTX_K0
-  CTX_K1 = 27,
-#define CTX_K1	CTX_K1
-  CTX_GP = 28,
-#define CTX_GP	CTX_GP
-  CTX_SP = 29,
-#define CTX_SP	CTX_SP
-  CTX_S8 = 30,
-#define CTX_S8	CTX_S8
-  CTX_RA = 31,
-#define CTX_RA	CTX_RA
-  CTX_MDLO = 32,
-#define CTX_MDLO	CTX_MDLO
-  CTX_MDHI = 33,
-#define CTX_MDHI	CTX_MDHI
-  CTX_CAUSE = 34,
-#define CTX_CAUSE	CTX_CAUSE
-  CTX_EPC = 35,
-#define CTX_EPC	CTX_EPC
-};
-
-/* Structure to describe FPU registers.  */
-typedef struct fpregset
-{
-  union
-  {
-#if _MIPS_SIM == _ABIO32
-    double fp_dregs[16];
-    float fp_fregs[32];
-    unsigned int fp_regs[32];
-#else
-    double fp_dregs[32];
-    /* float fp_fregs[32]; */
-    __uint64_t fp_regs[32];
-#endif
-  } fp_r;
-  unsigned int fp_csr;
-  unsigned int fp_pad;
-} fpregset_t;
-
-/* Context to describe whole processor state.  */
-typedef struct
-{
-  gregset_t gpregs;
-  fpregset_t fpregs;
-} mcontext_t;
-
-/* Userlevel context.  */
-typedef struct ucontext
-{
-#if _MIPS_SIM == _ABIO32
-  unsigned long int uc_flags;
-#else
-  __uint64_t uc_flags;
-#endif
-  struct ucontext *uc_link;
-  __sigset_t uc_sigmask;
-  stack_t uc_stack;
-  mcontext_t uc_mcontext;
-  int uc_filler[48];
-} ucontext_t;
-
-#endif /* sys/ucontext.h */