source: trunk/source/lisp-kernel/macros.h

Last change on this file was 16685, checked in by rme, 5 years ago

Update copyright/license headers in files.

  • Property svn:eol-style set to native
  • Property svn:keywords set to Author Date Id Revision
File size: 3.8 KB
Line 
1/*
2 * Copyright 1994-2009 Clozure Associates
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17/* Totally different content than 'macros.s' */
18
19
20
21#ifndef __macros__
22#define __macros__
23
24#define ptr_to_lispobj(p) ((LispObj)(p))
25#define ptr_from_lispobj(o) ((LispObj*)(o))
26#define lisp_reg_p(reg)  ((reg) >= fn)
27
28#define fulltag_of(o)  ((o) & fulltagmask)
29#define tag_of(o) ((o) & tagmask)
30#define untag(o) ((o) & ~fulltagmask)
31#define node_aligned(o) ((o) & ~tagmask)
32#define indirect_node(o) (*(LispObj *)(node_aligned(o)))
33
34#define deref(o,n) ((((LispObj*) (untag((LispObj)o))))[(n)])
35#define header_of(o) deref(o,0)
36
37#define header_subtag(h) ((h) & subtagmask)
38#define header_element_count(h) ((h) >> num_subtag_bits)
39#define make_header(subtag,element_count) ((subtag)|((element_count)<<num_subtag_bits))
40
41#define unbox_fixnum(x) ((signed_natural)(((signed_natural)(x))>>fixnum_shift))
42#define box_fixnum(x) ((LispObj)((signed_natural)(x)<<fixnum_shift))
43
44#define car(x) (((cons *)ptr_from_lispobj(untag(x)))->car)
45#define cdr(x) (((cons *)ptr_from_lispobj(untag(x)))->cdr)
46
47/* "sym" is an untagged pointer to a symbol */
48#define BOUNDP(sym)  ((((lispsymbol *)(sym))->vcell) != undefined)
49
50/* Likewise. */
51#define FBOUNDP(sym) ((((lispsymbol *)(sym))->fcell) != nrs_UDF.vcell)
52
53#ifdef PPC
54#ifdef PPC64
55#define nodeheader_tag_p(tag) (((tag) & lowtag_mask) == lowtag_nodeheader)
56#define immheader_tag_p(tag) (((tag) & lowtag_mask) == lowtag_immheader)
57#else
58#define nodeheader_tag_p(tag) (tag == fulltag_nodeheader)
59#define immheader_tag_p(tag) (tag == fulltag_immheader)
60#endif
61#endif
62
63#ifdef X86
64#ifdef X8664
65#define NODEHEADER_MASK ((1<<(fulltag_nodeheader_0)) | \
66                         (1<<(fulltag_nodeheader_1)))
67#define nodeheader_tag_p(tag) ((1<<(tag)) &  NODEHEADER_MASK)
68
69#define IMMHEADER_MASK ((1<<fulltag_immheader_0) | \
70                        (1UL<<fulltag_immheader_1) |                    \
71                        (1UL<<fulltag_immheader_2))
72
73#define immheader_tag_p(tag) ((1<<(tag)) & IMMHEADER_MASK)
74#else
75#define nodeheader_tag_p(tag) (tag == fulltag_nodeheader)
76#define immheader_tag_p(tag) (tag == fulltag_immheader)
77#endif
78#endif
79
80#ifdef ARM
81#define nodeheader_tag_p(tag) (tag == fulltag_nodeheader)
82#define immheader_tag_p(tag) (tag == fulltag_immheader)
83#endif
84
85#ifdef VC
86#define inline
87#define __attribute__(x)
88#endif
89
90/* lfuns */
91#define lfun_bits(f) (deref(f,header_element_count(header_of(f))))
92#define named_function_p(f) (!(lfun_bits(f)&(1<<(29+fixnum_shift))))
93#define named_function_name(f) (deref(f,-1+header_element_count(header_of(f))))
94
95#define TCR_INTERRUPT_LEVEL(tcr) \
96  (((signed_natural *)((tcr)->tlb_pointer))[INTERRUPT_LEVEL_BINDING_INDEX])
97
98#ifdef WINDOWS
99#define LSEEK(fd,offset,how) _lseeki64(fd,offset,how)
100#else
101#define LSEEK(fd,offset,how) lseek(fd,offset,how)
102#endif
103
104/* We can't easily and unconditionally use format strings like "0x%lx"
105   to print lisp objects: the "l" might not match the word size, and
106   neither would (necessarily) something like "0x%llx".  We can at
107   least exploit the fact that on all current platforms, "ll" ("long long")
108   is the size of a 64-bit lisp object and "l" ("long") is the size of
109   a 32-bit lisp object. */
110
111#if (WORD_SIZE == 64)
112#define LISP "%llx"
113#define ZLISP "%016llx"
114#define DECIMAL "%lld"
115#else
116#define LISP "%lx"
117#define ZLISP "%08x"
118#define DECIMAL "%ld"
119#endif
120
121#ifdef WIN_32
122#define TCR_AUX(tcr) tcr->aux
123#else
124#define TCR_AUX(tcr) tcr
125#endif
126#endif /* __macros __ */
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