| 1 | /* |
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| 2 | Copyright (C) 1994-2001 Digitool, Inc |
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| 3 | This file is part of OpenMCL. |
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| 4 | |
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| 5 | OpenMCL is licensed under the terms of the Lisp Lesser GNU Public |
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| 6 | License , known as the LLGPL and distributed with OpenMCL as the |
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| 7 | file "LICENSE". The LLGPL consists of a preamble and the LGPL, |
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| 8 | which is distributed with OpenMCL as the file "LGPL". Where these |
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| 9 | conflict, the preamble takes precedence. |
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| 10 | |
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| 11 | OpenMCL is referenced in the preamble as the "LIBRARY." |
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| 12 | |
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| 13 | The LLGPL is also available online at |
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| 14 | http://opensource.franz.com/preamble.html |
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| 15 | */ |
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| 16 | |
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| 17 | /* Totally different content than 'macros.s' */ |
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| 18 | |
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| 19 | |
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| 20 | |
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| 21 | #ifndef __macros__ |
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| 22 | #define __macros__ |
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| 23 | |
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| 24 | #define ptr_to_lispobj(p) ((LispObj)((unsigned_of_pointer_size)(p))) |
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| 25 | #define ptr_from_lispobj(o) ((LispObj*)((unsigned_of_pointer_size)(o))) |
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| 26 | #define lisp_reg_p(reg) ((reg) >= fn) |
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| 27 | |
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| 28 | #define fulltag_of(o) ((o) & fulltagmask) |
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| 29 | #define tag_of(o) ((o) & tagmask) |
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| 30 | #define untag(o) ((o) & ~fulltagmask) |
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| 31 | #define node_aligned(o) ((o) & ~tagmask) |
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| 32 | #define indirect_node(o) (*(LispObj *)(node_aligned(o))) |
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| 33 | |
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| 34 | #define deref(o,n) (*((LispObj*) (ptr_from_lispobj(untag((LispObj)o)))+(n))) |
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| 35 | #define header_of(o) deref(o,0) |
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| 36 | |
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| 37 | #define header_subtag(h) ((h) & subtagmask) |
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| 38 | #define header_element_count(h) ((h) >> num_subtag_bits) |
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| 39 | #define make_header(subtag,element_count) ((subtag)|((element_count)<<num_subtag_bits)) |
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| 40 | |
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| 41 | #define unbox_fixnum(x) ((signed_natural)(((signed_natural)(x))>>fixnum_shift)) |
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| 42 | #define box_fixnum(x) ((LispObj)((signed_natural)(x)<<fixnum_shift)) |
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| 43 | |
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| 44 | #define car(x) (((cons *)ptr_from_lispobj(untag(x)))->car) |
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| 45 | #define cdr(x) (((cons *)ptr_from_lispobj(untag(x)))->cdr) |
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| 46 | |
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| 47 | /* "sym" is an untagged pointer to a symbol */ |
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| 48 | #define BOUNDP(sym) ((((lispsymbol *)(sym))->vcell) != undefined) |
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| 49 | |
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| 50 | /* Likewise. */ |
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| 51 | #define FBOUNDP(sym) ((((lispsymbol *)(sym))->fcell) != nrs_UDF.vcell) |
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| 52 | |
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| 53 | #ifdef PPC |
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| 54 | #ifdef PPC64 |
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| 55 | #define nodeheader_tag_p(tag) (((tag) & lowtag_mask) == lowtag_nodeheader) |
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| 56 | #define immheader_tag_p(tag) (((tag) & lowtag_mask) == lowtag_immheader) |
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| 57 | #else |
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| 58 | #define nodeheader_tag_p(tag) (tag == fulltag_nodeheader) |
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| 59 | #define immheader_tag_p(tag) (tag == fulltag_immheader) |
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| 60 | #endif |
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| 61 | #endif |
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| 62 | |
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| 63 | #ifdef X86 |
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| 64 | #ifdef X8664 |
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| 65 | #define NODEHEADER_MASK ((1<<(fulltag_nodeheader_0)) | \ |
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| 66 | (1<<(fulltag_nodeheader_1))) |
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| 67 | #define nodeheader_tag_p(tag) ((1<<(tag)) & NODEHEADER_MASK) |
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| 68 | |
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| 69 | #define IMMHEADER_MASK ((1<<fulltag_immheader_0) | \ |
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| 70 | (1UL<<fulltag_immheader_1) | \ |
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| 71 | (1UL<<fulltag_immheader_2)) |
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| 72 | |
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| 73 | #define immheader_tag_p(tag) ((1<<(tag)) & IMMHEADER_MASK) |
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| 74 | #endif |
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| 75 | #endif |
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| 76 | |
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| 77 | |
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| 78 | |
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| 79 | /* lfuns */ |
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| 80 | #define lfun_bits(f) (deref(f,header_element_count(header_of(f)))) |
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| 81 | #define named_function_p(f) (!(lfun_bits(f)&(1<<(29+fixnum_shift)))) |
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| 82 | #define named_function_name(f) (deref(f,-1+header_element_count(header_of(f)))) |
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| 83 | |
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| 84 | #define TCR_INTERRUPT_LEVEL(tcr) \ |
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| 85 | (((signed_natural *)((tcr)->tlb_pointer))[INTERRUPT_LEVEL_BINDING_INDEX]) |
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| 86 | #endif |
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