OLD | NEW |
| (Empty) |
1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ | |
2 /* | |
3 * The contents of this file are subject to the Mozilla Public | |
4 * License Version 1.1 (the "License"); you may not use this file | |
5 * except in compliance with the License. You may obtain a copy of | |
6 * the License at http://www.mozilla.org/MPL/ | |
7 * | |
8 * Software distributed under the License is distributed on an "AS | |
9 * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or | |
10 * implied. See the License for the specific language governing | |
11 * rights and limitations under the License. | |
12 * | |
13 * The Original Code is the Netscape Portable Runtime (NSPR). | |
14 * | |
15 * The Initial Developer of the Original Code is Netscape | |
16 * Communications Corporation. Portions created by Netscape are | |
17 * Copyright (C) 1998-2000 Netscape Communications Corporation. All | |
18 * Rights Reserved. | |
19 * | |
20 * Contributor(s): | |
21 * | |
22 * Alternatively, the contents of this file may be used under the | |
23 * terms of the GNU General Public License Version 2 or later (the | |
24 * "GPL"), in which case the provisions of the GPL are applicable | |
25 * instead of those above. If you wish to allow use of your | |
26 * version of this file only under the terms of the GPL and not to | |
27 * allow others to use your version of this file under the MPL, | |
28 * indicate your decision by deleting the provisions above and | |
29 * replace them with the notice and other provisions required by | |
30 * the GPL. If you do not delete the provisions above, a recipient | |
31 * may use your version of this file under either the MPL or the | |
32 * GPL. | |
33 */ | |
34 | |
35 #ifndef nspr_nec_defs_h___ | |
36 #define nspr_nec_defs_h___ | |
37 | |
38 /* | |
39 * Internal configuration macros | |
40 */ | |
41 | |
42 #define PR_LINKER_ARCH "nec" | |
43 #define _PR_SI_SYSNAME "NEC" | |
44 #define _PR_SI_ARCHITECTURE "mips" | |
45 #define PR_DLL_SUFFIX ".so" | |
46 | |
47 #define _PR_STACK_VMBASE 0x50000000 | |
48 #define _MD_DEFAULT_STACK_SIZE 65536L | |
49 #define _MD_MMAP_FLAGS MAP_PRIVATE | |
50 | |
51 #undef HAVE_STACK_GROWING_UP | |
52 #define HAVE_DLL | |
53 #define USE_DLFCN | |
54 #define NEED_TIME_R | |
55 #define NEED_STRFTIME_LOCK | |
56 #define _PR_POLL_AVAILABLE | |
57 #define _PR_USE_POLL | |
58 #define _PR_NO_LARGE_FILES | |
59 #define _PR_STAT_HAS_ST_ATIM_UNION | |
60 | |
61 #include <ucontext.h> | |
62 #include <sys/regset.h> | |
63 | |
64 #define PR_NUM_GCREGS NGREG | |
65 #define PR_CONTEXT_TYPE ucontext_t | |
66 | |
67 #define CONTEXT(_thread) (&(_thread)->md.context) | |
68 | |
69 #define _MD_GET_SP(_t) (_t)->md.context.uc_mcontext.gregs[CXT_SP] | |
70 | |
71 /* | |
72 ** Initialize the thread context preparing it to execute "e(o,a)" | |
73 */ | |
74 #define _MD_INIT_CONTEXT(thread, _sp, _main, status) \ | |
75 { \ | |
76 *status = PR_TRUE; \ | |
77 getcontext(CONTEXT(thread)); \ | |
78 CONTEXT(thread)->uc_stack.ss_sp = (char*) (thread)->stack->stackBottom; \ | |
79 CONTEXT(thread)->uc_stack.ss_size = (thread)->stack->stackSize; \ | |
80 _MD_GET_SP(thread) = (greg_t) _sp - 64; \ | |
81 makecontext(CONTEXT(thread), _main, 0); \ | |
82 } | |
83 | |
84 #define _MD_SWITCH_CONTEXT(_thread) \ | |
85 if (!getcontext(CONTEXT(_thread))) { \ | |
86 (_thread)->md.errcode = errno; \ | |
87 _PR_Schedule(); \ | |
88 } | |
89 | |
90 /* | |
91 ** Restore a thread context, saved by _MD_SWITCH_CONTEXT | |
92 */ | |
93 #define _MD_RESTORE_CONTEXT(_thread) \ | |
94 { \ | |
95 ucontext_t *uc = CONTEXT(_thread); \ | |
96 uc->uc_mcontext.gregs[CXT_V0] = 1; \ | |
97 uc->uc_mcontext.gregs[CXT_A3] = 0; \ | |
98 errno = (_thread)->md.errcode; \ | |
99 _MD_SET_CURRENT_THREAD(_thread); \ | |
100 setcontext(uc); \ | |
101 } | |
102 | |
103 /* Machine-dependent (MD) data structures */ | |
104 | |
105 struct _MDThread { | |
106 PR_CONTEXT_TYPE context; | |
107 int id; | |
108 int errcode; | |
109 }; | |
110 | |
111 struct _MDThreadStack { | |
112 PRInt8 notused; | |
113 }; | |
114 | |
115 struct _MDLock { | |
116 PRInt8 notused; | |
117 }; | |
118 | |
119 struct _MDSemaphore { | |
120 PRInt8 notused; | |
121 }; | |
122 | |
123 struct _MDCVar { | |
124 PRInt8 notused; | |
125 }; | |
126 | |
127 struct _MDSegment { | |
128 PRInt8 notused; | |
129 }; | |
130 | |
131 /* | |
132 * md-specific cpu structure field | |
133 */ | |
134 #define _PR_MD_MAX_OSFD FD_SETSIZE | |
135 | |
136 struct _MDCPU_Unix { | |
137 PRCList ioQ; | |
138 PRUint32 ioq_timeout; | |
139 PRInt32 ioq_max_osfd; | |
140 PRInt32 ioq_osfd_cnt; | |
141 #ifndef _PR_USE_POLL | |
142 fd_set fd_read_set, fd_write_set, fd_exception_set; | |
143 PRInt16 fd_read_cnt[_PR_MD_MAX_OSFD],fd_write_cnt[_PR_MD_MAX_OSFD], | |
144 fd_exception_cnt[_PR_MD_MAX_OSFD]; | |
145 #else | |
146 struct pollfd *ioq_pollfds; | |
147 int ioq_pollfds_size; | |
148 #endif /* _PR_USE_POLL */ | |
149 }; | |
150 | |
151 #define _PR_IOQ(_cpu) ((_cpu)->md.md_unix.ioQ) | |
152 #define _PR_ADD_TO_IOQ(_pq, _cpu) PR_APPEND_LINK(&_pq.links, &_PR_IOQ(_cpu)) | |
153 #define _PR_FD_READ_SET(_cpu) ((_cpu)->md.md_unix.fd_read_set) | |
154 #define _PR_FD_READ_CNT(_cpu) ((_cpu)->md.md_unix.fd_read_cnt) | |
155 #define _PR_FD_WRITE_SET(_cpu) ((_cpu)->md.md_unix.fd_write_set) | |
156 #define _PR_FD_WRITE_CNT(_cpu) ((_cpu)->md.md_unix.fd_write_cnt) | |
157 #define _PR_FD_EXCEPTION_SET(_cpu) ((_cpu)->md.md_unix.fd_exception_set) | |
158 #define _PR_FD_EXCEPTION_CNT(_cpu) ((_cpu)->md.md_unix.fd_exception_cnt) | |
159 #define _PR_IOQ_TIMEOUT(_cpu) ((_cpu)->md.md_unix.ioq_timeout) | |
160 #define _PR_IOQ_MAX_OSFD(_cpu) ((_cpu)->md.md_unix.ioq_max_osfd) | |
161 #define _PR_IOQ_OSFD_CNT(_cpu) ((_cpu)->md.md_unix.ioq_osfd_cnt) | |
162 #define _PR_IOQ_POLLFDS(_cpu) ((_cpu)->md.md_unix.ioq_pollfds) | |
163 #define _PR_IOQ_POLLFDS_SIZE(_cpu) ((_cpu)->md.md_unix.ioq_pollfds_size) | |
164 | |
165 #define _PR_IOQ_MIN_POLLFDS_SIZE(_cpu) 32 | |
166 | |
167 struct _MDCPU { | |
168 struct _MDCPU_Unix md_unix; | |
169 }; | |
170 | |
171 #define _MD_INIT_LOCKS() | |
172 #define _MD_NEW_LOCK(lock) PR_SUCCESS | |
173 #define _MD_FREE_LOCK(lock) | |
174 #define _MD_LOCK(lock) | |
175 #define _MD_UNLOCK(lock) | |
176 #define _MD_INIT_IO() | |
177 #define _MD_IOQ_LOCK() | |
178 #define _MD_IOQ_UNLOCK() | |
179 | |
180 #define _MD_EARLY_INIT _MD_EarlyInit | |
181 #define _MD_FINAL_INIT _PR_UnixInit | |
182 #define _MD_INIT_RUNNING_CPU(cpu) _MD_unix_init_running_cpu(cpu) | |
183 #define _MD_INIT_THREAD _MD_InitializeThread | |
184 #define _MD_EXIT_THREAD(thread) | |
185 #define _MD_CLEAN_THREAD(_thread) | |
186 | |
187 #define _MD_SELECT _select | |
188 #define _MD_POLL _poll | |
189 | |
190 #define _MD_GET_INTERVAL _PR_UNIX_GetInterval | |
191 #define _MD_INTERVAL_PER_SEC _PR_UNIX_TicksPerSecond | |
192 | |
193 #endif /* nspr_nec_defs_h___ */ | |
OLD | NEW |