+++ /dev/null
-/*
- * CDDL HEADER START
- *
- * The contents of this file are subject to the terms of the
- * Common Development and Distribution License, Version 1.0 only
- * (the "License"). You may not use this file except in compliance
- * with the License.
- *
- * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
- * or http://www.opensolaris.org/os/licensing.
- * See the License for the specific language governing permissions
- * and limitations under the License.
- *
- * When distributing Covered Code, include this CDDL HEADER in each
- * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
- * If applicable, add the following below this CDDL HEADER, with the
- * fields enclosed by brackets "[]" replaced with your own identifying
- * information: Portions Copyright [yyyy] [name of copyright owner]
- *
- * CDDL HEADER END
- */
-/*
- * Copyright 2004 Sun Microsystems, Inc. All rights reserved.
- * Use is subject to license terms.
- */
-
-#ifndef _IA32_SYS_ASM_LINKAGE_H
-#define _IA32_SYS_ASM_LINKAGE_H
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-#ifdef _ASM /* The remainder of this file is only for assembly files */
-
-/*
- * make annoying differences in assembler syntax go away
- */
-
-/*
- * D16 and A16 are used to insert instructions prefixes; the
- * macros help the assembler code be slightly more portable.
- */
-#if !defined(__GNUC_AS__)
-/*
- * /usr/ccs/bin/as prefixes are parsed as separate instructions
- */
-#define D16 data16;
-#define A16 addr16;
-
-/*
- * (There are some weird constructs in constant expressions)
- */
-#define _CONST(const) [const]
-#define _BITNOT(const) -1!_CONST(const)
-#define _MUL(a, b) _CONST(a \* b)
-
-#else
-/*
- * Why not use the 'data16' and 'addr16' prefixes .. well, the
- * assembler doesn't quite believe in real mode, and thus argues with
- * us about what we're trying to do.
- */
-#define D16 .byte 0x66;
-#define A16 .byte 0x67;
-
-#define _CONST(const) (const)
-#define _BITNOT(const) ~_CONST(const)
-#define _MUL(a, b) _CONST(a * b)
-
-#endif
-
-/*
- * C pointers are different sizes between i386 and amd64.
- * These constants can be used to compute offsets into pointer arrays.
- */
-#if defined(__amd64)
-#define CLONGSHIFT 3
-#define CLONGSIZE 8
-#define CLONGMASK 7
-#elif defined(__i386)
-#define CLONGSHIFT 2
-#define CLONGSIZE 4
-#define CLONGMASK 3
-#endif
-
-/*
- * Since we know we're either ILP32 or LP64 ..
- */
-#define CPTRSHIFT CLONGSHIFT
-#define CPTRSIZE CLONGSIZE
-#define CPTRMASK CLONGMASK
-
-#if CPTRSIZE != (1 << CPTRSHIFT) || CLONGSIZE != (1 << CLONGSHIFT)
-#error "inconsistent shift constants"
-#endif
-
-#if CPTRMASK != (CPTRSIZE - 1) || CLONGMASK != (CLONGSIZE - 1)
-#error "inconsistent mask constants"
-#endif
-
-#define ASM_ENTRY_ALIGN 16
-
-/*
- * SSE register alignment and save areas
- */
-
-#define XMM_SIZE 16
-#define XMM_ALIGN 16
-
-#if defined(__amd64)
-
-#define SAVE_XMM_PROLOG(sreg, nreg) \
- subq $_CONST(_MUL(XMM_SIZE, nreg)), %rsp; \
- movq %rsp, sreg
-
-#define RSTOR_XMM_EPILOG(sreg, nreg) \
- addq $_CONST(_MUL(XMM_SIZE, nreg)), %rsp
-
-#elif defined(__i386)
-
-#define SAVE_XMM_PROLOG(sreg, nreg) \
- subl $_CONST(_MUL(XMM_SIZE, nreg) + XMM_ALIGN), %esp; \
- movl %esp, sreg; \
- addl $XMM_ALIGN, sreg; \
- andl $_BITNOT(XMM_ALIGN-1), sreg
-
-#define RSTOR_XMM_EPILOG(sreg, nreg) \
- addl $_CONST(_MUL(XMM_SIZE, nreg) + XMM_ALIGN), %esp;
-
-#endif /* __i386 */
-
-/*
- * profiling causes definitions of the MCOUNT and RTMCOUNT
- * particular to the type
- */
-#ifdef GPROF
-
-#define MCOUNT(x) \
- pushl %ebp; \
- movl %esp, %ebp; \
- call _mcount; \
- popl %ebp
-
-#endif /* GPROF */
-
-#ifdef PROF
-
-#define MCOUNT(x) \
-/* CSTYLED */ \
- .lcomm .L_/**/x/**/1, 4, 4; \
- pushl %ebp; \
- movl %esp, %ebp; \
-/* CSTYLED */ \
- movl $.L_/**/x/**/1, %edx; \
- call _mcount; \
- popl %ebp
-
-#endif /* PROF */
-
-/*
- * if we are not profiling, MCOUNT should be defined to nothing
- */
-#if !defined(PROF) && !defined(GPROF)
-#define MCOUNT(x)
-#endif /* !defined(PROF) && !defined(GPROF) */
-
-#define RTMCOUNT(x) MCOUNT(x)
-
-/*
- * Macro to define weak symbol aliases. These are similar to the ANSI-C
- * #pragma weak name = _name
- * except a compiler can determine type. The assembler must be told. Hence,
- * the second parameter must be the type of the symbol (i.e.: function,...)
- */
-#define ANSI_PRAGMA_WEAK(sym, stype) \
- .weak sym; \
- .type sym, @stype; \
-/* CSTYLED */ \
-sym = _/**/sym
-
-/*
- * Like ANSI_PRAGMA_WEAK(), but for unrelated names, as in:
- * #pragma weak sym1 = sym2
- */
-#define ANSI_PRAGMA_WEAK2(sym1, sym2, stype) \
- .weak sym1; \
- .type sym1, @stype; \
-sym1 = sym2
-
-/*
- * ENTRY provides the standard procedure entry code and an easy way to
- * insert the calls to mcount for profiling. ENTRY_NP is identical, but
- * never calls mcount.
- */
-#define ENTRY(x) \
- .text; \
- .align ASM_ENTRY_ALIGN; \
- .globl x; \
- .type x, @function; \
-x: MCOUNT(x)
-
-#define ENTRY_NP(x) \
- .text; \
- .align ASM_ENTRY_ALIGN; \
- .globl x; \
- .type x, @function; \
-x:
-
-#define RTENTRY(x) \
- .text; \
- .align ASM_ENTRY_ALIGN; \
- .globl x; \
- .type x, @function; \
-x: RTMCOUNT(x)
-
-/*
- * ENTRY2 is identical to ENTRY but provides two labels for the entry point.
- */
-#define ENTRY2(x, y) \
- .text; \
- .align ASM_ENTRY_ALIGN; \
- .globl x, y; \
- .type x, @function; \
- .type y, @function; \
-/* CSTYLED */ \
-x: ; \
-y: MCOUNT(x)
-
-#define ENTRY_NP2(x, y) \
- .text; \
- .align ASM_ENTRY_ALIGN; \
- .globl x, y; \
- .type x, @function; \
- .type y, @function; \
-/* CSTYLED */ \
-x: ; \
-y:
-
-
-/*
- * ALTENTRY provides for additional entry points.
- */
-#define ALTENTRY(x) \
- .globl x; \
- .type x, @function; \
-x:
-
-/*
- * DGDEF and DGDEF2 provide global data declarations.
- *
- * DGDEF provides a word aligned word of storage.
- *
- * DGDEF2 allocates "sz" bytes of storage with **NO** alignment. This
- * implies this macro is best used for byte arrays.
- *
- * DGDEF3 allocates "sz" bytes of storage with "algn" alignment.
- */
-#define DGDEF2(name, sz) \
- .data; \
- .globl name; \
- .type name, @object; \
- .size name, sz; \
-name:
-
-#define DGDEF3(name, sz, algn) \
- .data; \
- .align algn; \
- .globl name; \
- .type name, @object; \
- .size name, sz; \
-name:
-
-#define DGDEF(name) DGDEF3(name, 4, 4)
-
-/*
- * SET_SIZE trails a function and set the size for the ELF symbol table.
- */
-#define SET_SIZE(x) \
- .size x, [.-x]
-
-/*
- * NWORD provides native word value.
- */
-#if defined(__amd64)
-
-/*CSTYLED*/
-#define NWORD quad
-
-#elif defined(__i386)
-
-#define NWORD long
-
-#endif /* __i386 */
-
-#endif /* _ASM */
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif /* _IA32_SYS_ASM_LINKAGE_H */
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