source: branches/arm/lisp-kernel/arm-exceptions.h @ 13848

Last change on this file since 13848 was 13848, checked in by gb, 9 years ago

Pass siginfo to handle_uuo; change debug_trap handling.

File size: 4.8 KB
Line 
1/*
2   Copyright (C) 2010 Clozure Associates
3   This file is part of Clozure CL. 
4
5   Clozure CL is licensed under the terms of the Lisp Lesser GNU Public
6   License , known as the LLGPL and distributed with Clozure CL as the
7   file "LICENSE".  The LLGPL consists of a preamble and the LGPL,
8   which is distributed with Clozure CL as the file "LGPL".  Where these
9   conflict, the preamble takes precedence. 
10
11   Clozure CL is referenced in the preamble as the "LIBRARY."
12
13   The LLGPL is also available online at
14   http://opensource.franz.com/preamble.html
15*/
16#define UUO_MASK 0x0ff000f0
17
18#define IS_UUO(i) (((i) & UUO_MASK) == 0x07f000f0)
19/* If an instruction is a UUO its format is determined by the low 4 bits */
20#define UUO_FORMAT(i) ((i)&0xf)
21
22#define UUO_UNARY_field(uuo) (((uuo)>>12)&0xff)
23#define UUOA_field(uuo)      (((uuo)>>8) &0x0f)
24
25#define uuo_format_nullary          0 /* 12 bits of code */
26#define uuo_format_unary            1 /* 8 bits of info - NOT type info - 4-bit reg */
27#define uuo_format_error_lisptag    2 /* 2 bits of lisptag info, 4-bit reg */
28#define uuo_format_error_fulltag    3 /* 3 bits of fulltag info, 4 bit reg */
29
30#define uuo_format_error_xtype      4 /* 8 bits of extended type/subtag info, 4 bit reg */
31#define uuo_format_binary           7 /* 4 bits of code, r1, r0 */
32#define uuo_format_nullary_error    8 /* nullary, call out to lisp */
33#define uuo_format_unary_error      9 /* like unary, but call out to lisp */
34#define uuo_format_cerror_lisptag  10 /* continuable, lisptag, reg */
35#define uuo_format_cerror_fulltag  11 /* continuable, fulltag, reg */
36#define uuo_format_cerror_xtype    12 /* continuable, xtype, reg */ 
37#define uuo_format_kernel_service  13 /* 8 bits of info */     
38#define uuo_format_binary_error    15 /* binary format, call out to lisp */
39
40
41
42
43typedef u_int32_t opcode, *pc;
44
45Boolean
46handle_uuo(ExceptionInformation *, siginfo_t *, opcode);
47
48
49
50int
51callback_for_trap (LispObj, ExceptionInformation *, natural, natural);
52
53natural
54register_codevector_contains_pc (natural, pc);
55
56int
57callback_to_lisp (LispObj, ExceptionInformation *, natural, natural);
58
59OSStatus
60handle_trap(ExceptionInformation *, opcode, pc, siginfo_t *);
61
62
63/* */
64
65#define RN_field(i) (((i)>>16)&0xf)
66#define RD_field(i) (((i)>>12)&0xf)
67#define RM_field(i) ((i)&0xf)
68
69#define IS_SUB_RM_FROM_ALLOCPTR(i)   (((i)&0x0ffff000) == 0x004cc000)
70#define IS_SUB_FROM_ALLOCPTR(i)      (((i)&0x0fffff00) == 0x024cc000)
71#define IS_SUB_LO_FROM_ALLOCPTR(i)   (((i)&0x0fffff00) == 0x024cc000)
72#define IS_SUB_HI_FROM_ALLOCPTR(i)   (IS_SUB_FROM_ALLOCPTR(i) && \
73                                     !(IS_SUB_LOW_FROM_ALLOCPTR(i)))
74#define IS_LOAD_RD_FROM_ALLOCBASE(i) (((i)&0x0fff0fff) == \
75                                      ( 0x05930000 | offsetof(tcr,allocbase)))
76#define IS_COMPARE_ALLOCPTR_TO_RM(i) (((i)&0x0fffff0) == 0x0140c000)
77#define IS_ALLOC_TRAP(i) (((i)&0x0fffffff) == 0x07f000f0)
78#define IS_SET_ALLOCPTR_HEADER_RD(i) (((i)&0x0fff0fff) == \
79                                      (0x050c0000 | (- misc_header_offset)))
80/* The 1 here - and the 3 in the following definition - are based on
81   the tagged offsets of cars and cdrs.  Fix these definitions of that ever
82   changes ... */
83#define IS_SET_ALLOCPTR_CDR_RD(i)    (((i)&0x0fff0fff) == 0x050c0001)
84#define IS_SET_ALLOCPTR_CAR_RD(i)    (((i)&0x0fff0fff) == 0x058c0003)
85#define IS_SET_ALLOCPTR_RESULT_RD(i) (((i)&0x0fff0fff) == 0x01a0000c)
86#define IS_CLR_ALLOCPTR_TAG(i)       (((i)&0x0fffffff) == 0x03ccc007)
87
88
89#define IS_GC_TRAP(i)                (((i)*0x0fffffff) == 0x07f001f0)
90#define IS_DEBUG_TRAP(i)             (((i)*0x0fffffff) == 0x07f002f0)
91#define IS_DEFERRED_INTERRUPT(i)     (((i)*0x0fffffff) == 0x07f004f0)
92#define IS_DEFERRED_SUSPEND(i)       (((i)*0x0fffffff) == 0x07f005f0)
93
94
95OSStatus
96handle_error(ExceptionInformation *, unsigned, unsigned);
97
98typedef char* vector_buf;
99
100void put_altivec_registers(vector_buf);
101void get_altivec_registers(vector_buf);
102
103
104int altivec_available;
105
106#ifdef DARWIN
107#include <mach/mach.h>
108#include <mach/mach_error.h>
109#include <mach/machine/thread_state.h>
110#include <mach/machine/thread_status.h>
111
112#endif
113
114
115
116#ifdef DARWIN
117#define SIGNAL_FOR_PROCESS_INTERRUPT SIGUSR1
118#endif
119#ifdef LINUX
120#define SIGNAL_FOR_PROCESS_INTERRUPT SIGPWR
121#endif
122
123
124
125Boolean
126extend_tcr_tlb(TCR *, ExceptionInformation *,  unsigned);
127
128void 
129pc_luser_xp(ExceptionInformation *, TCR *, signed_natural *);
130
131#define codevec_hdr_p(value) ((value) == 0)
132
133#ifdef __GNUC__
134static __inline__ natural
135ror(natural val, natural count) __attribute__((always_inline));
136
137static __inline__ natural
138ror(natural val,natural count)
139{
140  natural result;
141  __asm__ __volatile__("ror %[result],%[val],%[count]"
142                       :[result] "=r" (result)
143                       :[val] "r" (val),
144                        [count] "r" (count));
145  return result;
146}
147#else
148extern natural ror(natural, natural);
149#endif
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