Tue, 23 Nov 2010 13:22:55 -0800
6989984: Use standard include model for Hospot
Summary: Replaced MakeDeps and the includeDB files with more standardized solutions.
Reviewed-by: coleenp, kvn, kamg
duke@435 | 1 | /* |
stefank@2314 | 2 | * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved. |
duke@435 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
duke@435 | 4 | * |
duke@435 | 5 | * This code is free software; you can redistribute it and/or modify it |
duke@435 | 6 | * under the terms of the GNU General Public License version 2 only, as |
duke@435 | 7 | * published by the Free Software Foundation. |
duke@435 | 8 | * |
duke@435 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
duke@435 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
duke@435 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
duke@435 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
duke@435 | 13 | * accompanied this code). |
duke@435 | 14 | * |
duke@435 | 15 | * You should have received a copy of the GNU General Public License version |
duke@435 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
duke@435 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
duke@435 | 18 | * |
trims@1907 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
trims@1907 | 20 | * or visit www.oracle.com if you need additional information or have any |
trims@1907 | 21 | * questions. |
duke@435 | 22 | * |
duke@435 | 23 | */ |
duke@435 | 24 | |
stefank@2314 | 25 | #include "precompiled.hpp" |
stefank@2314 | 26 | #include "gc_implementation/parallelScavenge/psVirtualspace.hpp" |
stefank@2314 | 27 | #include "runtime/os.hpp" |
stefank@2314 | 28 | #include "runtime/virtualspace.hpp" |
stefank@2314 | 29 | #ifdef TARGET_OS_FAMILY_linux |
stefank@2314 | 30 | # include "os_linux.inline.hpp" |
stefank@2314 | 31 | #endif |
stefank@2314 | 32 | #ifdef TARGET_OS_FAMILY_solaris |
stefank@2314 | 33 | # include "os_solaris.inline.hpp" |
stefank@2314 | 34 | #endif |
stefank@2314 | 35 | #ifdef TARGET_OS_FAMILY_windows |
stefank@2314 | 36 | # include "os_windows.inline.hpp" |
stefank@2314 | 37 | #endif |
duke@435 | 38 | |
duke@435 | 39 | // PSVirtualSpace |
duke@435 | 40 | |
duke@435 | 41 | PSVirtualSpace::PSVirtualSpace(ReservedSpace rs, size_t alignment) : |
duke@435 | 42 | _alignment(alignment) |
duke@435 | 43 | { |
duke@435 | 44 | set_reserved(rs); |
duke@435 | 45 | set_committed(reserved_low_addr(), reserved_low_addr()); |
duke@435 | 46 | DEBUG_ONLY(verify()); |
duke@435 | 47 | } |
duke@435 | 48 | |
duke@435 | 49 | PSVirtualSpace::PSVirtualSpace(ReservedSpace rs) : |
duke@435 | 50 | _alignment(os::vm_page_size()) |
duke@435 | 51 | { |
duke@435 | 52 | set_reserved(rs); |
duke@435 | 53 | set_committed(reserved_low_addr(), reserved_low_addr()); |
duke@435 | 54 | DEBUG_ONLY(verify()); |
duke@435 | 55 | } |
duke@435 | 56 | |
duke@435 | 57 | // Deprecated. |
duke@435 | 58 | PSVirtualSpace::PSVirtualSpace(): _alignment(os::vm_page_size()) { |
duke@435 | 59 | } |
duke@435 | 60 | |
duke@435 | 61 | // Deprecated. |
duke@435 | 62 | bool PSVirtualSpace::initialize(ReservedSpace rs, |
duke@435 | 63 | size_t commit_size) { |
duke@435 | 64 | set_reserved(rs); |
duke@435 | 65 | set_committed(reserved_low_addr(), reserved_low_addr()); |
duke@435 | 66 | |
duke@435 | 67 | // Commit to initial size. |
duke@435 | 68 | assert(commit_size <= rs.size(), "commit_size too big"); |
duke@435 | 69 | bool result = commit_size > 0 ? expand_by(commit_size) : true; |
duke@435 | 70 | DEBUG_ONLY(verify()); |
duke@435 | 71 | return result; |
duke@435 | 72 | } |
duke@435 | 73 | |
duke@435 | 74 | PSVirtualSpace::~PSVirtualSpace() { |
duke@435 | 75 | release(); |
duke@435 | 76 | } |
duke@435 | 77 | |
duke@435 | 78 | bool PSVirtualSpace::contains(void* p) const { |
duke@435 | 79 | char* const cp = (char*)p; |
duke@435 | 80 | return cp >= committed_low_addr() && cp < committed_high_addr(); |
duke@435 | 81 | } |
duke@435 | 82 | |
duke@435 | 83 | void PSVirtualSpace::release() { |
duke@435 | 84 | DEBUG_ONLY(PSVirtualSpaceVerifier this_verifier(this)); |
coleenp@672 | 85 | // This may not release memory it didn't reserve. |
coleenp@672 | 86 | // Use rs.release() to release the underlying memory instead. |
duke@435 | 87 | _reserved_low_addr = _reserved_high_addr = NULL; |
duke@435 | 88 | _committed_low_addr = _committed_high_addr = NULL; |
duke@435 | 89 | _special = false; |
duke@435 | 90 | } |
duke@435 | 91 | |
iveresov@970 | 92 | bool PSVirtualSpace::expand_by(size_t bytes) { |
duke@435 | 93 | assert(is_aligned(bytes), "arg not aligned"); |
duke@435 | 94 | DEBUG_ONLY(PSVirtualSpaceVerifier this_verifier(this)); |
duke@435 | 95 | |
duke@435 | 96 | if (uncommitted_size() < bytes) { |
duke@435 | 97 | return false; |
duke@435 | 98 | } |
duke@435 | 99 | |
duke@435 | 100 | char* const base_addr = committed_high_addr(); |
duke@435 | 101 | bool result = special() || os::commit_memory(base_addr, bytes, alignment()); |
duke@435 | 102 | if (result) { |
duke@435 | 103 | _committed_high_addr += bytes; |
duke@435 | 104 | } |
duke@435 | 105 | |
duke@435 | 106 | return result; |
duke@435 | 107 | } |
duke@435 | 108 | |
duke@435 | 109 | bool PSVirtualSpace::shrink_by(size_t bytes) { |
duke@435 | 110 | assert(is_aligned(bytes), "arg not aligned"); |
duke@435 | 111 | DEBUG_ONLY(PSVirtualSpaceVerifier this_verifier(this)); |
duke@435 | 112 | |
duke@435 | 113 | if (committed_size() < bytes) { |
duke@435 | 114 | return false; |
duke@435 | 115 | } |
duke@435 | 116 | |
duke@435 | 117 | char* const base_addr = committed_high_addr() - bytes; |
duke@435 | 118 | bool result = special() || os::uncommit_memory(base_addr, bytes); |
duke@435 | 119 | if (result) { |
duke@435 | 120 | _committed_high_addr -= bytes; |
duke@435 | 121 | } |
duke@435 | 122 | |
duke@435 | 123 | return result; |
duke@435 | 124 | } |
duke@435 | 125 | |
duke@435 | 126 | size_t |
duke@435 | 127 | PSVirtualSpace::expand_into(PSVirtualSpace* other_space, size_t bytes) { |
duke@435 | 128 | assert(is_aligned(bytes), "arg not aligned"); |
duke@435 | 129 | assert(grows_up(), "this space must grow up"); |
duke@435 | 130 | assert(other_space->grows_down(), "other space must grow down"); |
duke@435 | 131 | assert(reserved_high_addr() == other_space->reserved_low_addr(), |
duke@435 | 132 | "spaces not contiguous"); |
duke@435 | 133 | assert(special() == other_space->special(), "one space is special, the other is not"); |
duke@435 | 134 | DEBUG_ONLY(PSVirtualSpaceVerifier this_verifier(this)); |
duke@435 | 135 | DEBUG_ONLY(PSVirtualSpaceVerifier other_verifier(other_space)); |
duke@435 | 136 | |
duke@435 | 137 | size_t bytes_needed = bytes; |
duke@435 | 138 | |
duke@435 | 139 | // First use the uncommitted region in this space. |
duke@435 | 140 | size_t tmp_bytes = MIN2(uncommitted_size(), bytes_needed); |
duke@435 | 141 | if (tmp_bytes > 0) { |
duke@435 | 142 | if (expand_by(tmp_bytes)) { |
duke@435 | 143 | bytes_needed -= tmp_bytes; |
duke@435 | 144 | } else { |
duke@435 | 145 | return 0; |
duke@435 | 146 | } |
duke@435 | 147 | } |
duke@435 | 148 | |
duke@435 | 149 | // Next take from the uncommitted region in the other space, and commit it. |
duke@435 | 150 | tmp_bytes = MIN2(other_space->uncommitted_size(), bytes_needed); |
duke@435 | 151 | if (tmp_bytes > 0) { |
duke@435 | 152 | char* const commit_base = committed_high_addr(); |
duke@435 | 153 | if (other_space->special() || |
duke@435 | 154 | os::commit_memory(commit_base, tmp_bytes, alignment())) { |
duke@435 | 155 | // Reduce the reserved region in the other space. |
duke@435 | 156 | other_space->set_reserved(other_space->reserved_low_addr() + tmp_bytes, |
duke@435 | 157 | other_space->reserved_high_addr(), |
duke@435 | 158 | other_space->special()); |
duke@435 | 159 | |
duke@435 | 160 | // Grow both reserved and committed in this space. |
duke@435 | 161 | _reserved_high_addr += tmp_bytes; |
duke@435 | 162 | _committed_high_addr += tmp_bytes; |
duke@435 | 163 | bytes_needed -= tmp_bytes; |
duke@435 | 164 | } else { |
duke@435 | 165 | return bytes - bytes_needed; |
duke@435 | 166 | } |
duke@435 | 167 | } |
duke@435 | 168 | |
duke@435 | 169 | // Finally take from the already committed region in the other space. |
duke@435 | 170 | tmp_bytes = bytes_needed; |
duke@435 | 171 | if (tmp_bytes > 0) { |
duke@435 | 172 | // Reduce both committed and reserved in the other space. |
duke@435 | 173 | other_space->set_committed(other_space->committed_low_addr() + tmp_bytes, |
duke@435 | 174 | other_space->committed_high_addr()); |
duke@435 | 175 | other_space->set_reserved(other_space->reserved_low_addr() + tmp_bytes, |
duke@435 | 176 | other_space->reserved_high_addr(), |
duke@435 | 177 | other_space->special()); |
duke@435 | 178 | |
duke@435 | 179 | // Grow both reserved and committed in this space. |
duke@435 | 180 | _reserved_high_addr += tmp_bytes; |
duke@435 | 181 | _committed_high_addr += tmp_bytes; |
duke@435 | 182 | } |
duke@435 | 183 | |
duke@435 | 184 | return bytes; |
duke@435 | 185 | } |
duke@435 | 186 | |
duke@435 | 187 | #ifndef PRODUCT |
duke@435 | 188 | bool PSVirtualSpace::is_aligned(size_t value, size_t align) { |
duke@435 | 189 | const size_t tmp_value = value + align - 1; |
duke@435 | 190 | const size_t mask = ~(align - 1); |
duke@435 | 191 | return (tmp_value & mask) == value; |
duke@435 | 192 | } |
duke@435 | 193 | |
duke@435 | 194 | bool PSVirtualSpace::is_aligned(size_t value) const { |
duke@435 | 195 | return is_aligned(value, alignment()); |
duke@435 | 196 | } |
duke@435 | 197 | |
duke@435 | 198 | bool PSVirtualSpace::is_aligned(char* value) const { |
duke@435 | 199 | return is_aligned((size_t)value); |
duke@435 | 200 | } |
duke@435 | 201 | |
duke@435 | 202 | void PSVirtualSpace::verify() const { |
duke@435 | 203 | assert(is_aligned(alignment(), os::vm_page_size()), "bad alignment"); |
duke@435 | 204 | assert(is_aligned(reserved_low_addr()), "bad reserved_low_addr"); |
duke@435 | 205 | assert(is_aligned(reserved_high_addr()), "bad reserved_high_addr"); |
duke@435 | 206 | assert(is_aligned(committed_low_addr()), "bad committed_low_addr"); |
duke@435 | 207 | assert(is_aligned(committed_high_addr()), "bad committed_high_addr"); |
duke@435 | 208 | |
duke@435 | 209 | // Reserved region must be non-empty or both addrs must be 0. |
duke@435 | 210 | assert(reserved_low_addr() < reserved_high_addr() || |
duke@435 | 211 | reserved_low_addr() == NULL && reserved_high_addr() == NULL, |
duke@435 | 212 | "bad reserved addrs"); |
duke@435 | 213 | assert(committed_low_addr() <= committed_high_addr(), "bad committed addrs"); |
duke@435 | 214 | |
duke@435 | 215 | if (grows_up()) { |
duke@435 | 216 | assert(reserved_low_addr() == committed_low_addr(), "bad low addrs"); |
duke@435 | 217 | assert(reserved_high_addr() >= committed_high_addr(), "bad high addrs"); |
duke@435 | 218 | } else { |
duke@435 | 219 | assert(reserved_high_addr() == committed_high_addr(), "bad high addrs"); |
duke@435 | 220 | assert(reserved_low_addr() <= committed_low_addr(), "bad low addrs"); |
duke@435 | 221 | } |
duke@435 | 222 | } |
duke@435 | 223 | |
duke@435 | 224 | void PSVirtualSpace::print() const { |
duke@435 | 225 | gclog_or_tty->print_cr("virtual space [" PTR_FORMAT "]: alignment=" |
duke@435 | 226 | SIZE_FORMAT "K grows %s%s", |
duke@435 | 227 | this, alignment() / K, grows_up() ? "up" : "down", |
duke@435 | 228 | special() ? " (pinned in memory)" : ""); |
duke@435 | 229 | gclog_or_tty->print_cr(" reserved=" SIZE_FORMAT "K" |
duke@435 | 230 | " [" PTR_FORMAT "," PTR_FORMAT "]" |
duke@435 | 231 | " committed=" SIZE_FORMAT "K" |
duke@435 | 232 | " [" PTR_FORMAT "," PTR_FORMAT "]", |
duke@435 | 233 | reserved_size() / K, |
duke@435 | 234 | reserved_low_addr(), reserved_high_addr(), |
duke@435 | 235 | committed_size() / K, |
duke@435 | 236 | committed_low_addr(), committed_high_addr()); |
duke@435 | 237 | } |
duke@435 | 238 | #endif // #ifndef PRODUCT |
duke@435 | 239 | |
duke@435 | 240 | void PSVirtualSpace::print_space_boundaries_on(outputStream* st) const { |
duke@435 | 241 | st->print_cr(" [" PTR_FORMAT ", " PTR_FORMAT ", " PTR_FORMAT ")", |
duke@435 | 242 | low_boundary(), high(), high_boundary()); |
duke@435 | 243 | } |
duke@435 | 244 | |
duke@435 | 245 | PSVirtualSpaceHighToLow::PSVirtualSpaceHighToLow(ReservedSpace rs, |
duke@435 | 246 | size_t alignment) : |
duke@435 | 247 | PSVirtualSpace(alignment) |
duke@435 | 248 | { |
duke@435 | 249 | set_reserved(rs); |
duke@435 | 250 | set_committed(reserved_high_addr(), reserved_high_addr()); |
duke@435 | 251 | DEBUG_ONLY(verify()); |
duke@435 | 252 | } |
duke@435 | 253 | |
duke@435 | 254 | PSVirtualSpaceHighToLow::PSVirtualSpaceHighToLow(ReservedSpace rs) { |
duke@435 | 255 | set_reserved(rs); |
duke@435 | 256 | set_committed(reserved_high_addr(), reserved_high_addr()); |
duke@435 | 257 | DEBUG_ONLY(verify()); |
duke@435 | 258 | } |
duke@435 | 259 | |
iveresov@970 | 260 | bool PSVirtualSpaceHighToLow::expand_by(size_t bytes) { |
duke@435 | 261 | assert(is_aligned(bytes), "arg not aligned"); |
duke@435 | 262 | DEBUG_ONLY(PSVirtualSpaceVerifier this_verifier(this)); |
duke@435 | 263 | |
duke@435 | 264 | if (uncommitted_size() < bytes) { |
duke@435 | 265 | return false; |
duke@435 | 266 | } |
duke@435 | 267 | |
duke@435 | 268 | char* const base_addr = committed_low_addr() - bytes; |
duke@435 | 269 | bool result = special() || os::commit_memory(base_addr, bytes, alignment()); |
duke@435 | 270 | if (result) { |
duke@435 | 271 | _committed_low_addr -= bytes; |
duke@435 | 272 | } |
duke@435 | 273 | |
duke@435 | 274 | return result; |
duke@435 | 275 | } |
duke@435 | 276 | |
duke@435 | 277 | bool PSVirtualSpaceHighToLow::shrink_by(size_t bytes) { |
duke@435 | 278 | assert(is_aligned(bytes), "arg not aligned"); |
duke@435 | 279 | DEBUG_ONLY(PSVirtualSpaceVerifier this_verifier(this)); |
duke@435 | 280 | |
duke@435 | 281 | if (committed_size() < bytes) { |
duke@435 | 282 | return false; |
duke@435 | 283 | } |
duke@435 | 284 | |
duke@435 | 285 | char* const base_addr = committed_low_addr(); |
duke@435 | 286 | bool result = special() || os::uncommit_memory(base_addr, bytes); |
duke@435 | 287 | if (result) { |
duke@435 | 288 | _committed_low_addr += bytes; |
duke@435 | 289 | } |
duke@435 | 290 | |
duke@435 | 291 | return result; |
duke@435 | 292 | } |
duke@435 | 293 | |
duke@435 | 294 | size_t PSVirtualSpaceHighToLow::expand_into(PSVirtualSpace* other_space, |
duke@435 | 295 | size_t bytes) { |
duke@435 | 296 | assert(is_aligned(bytes), "arg not aligned"); |
duke@435 | 297 | assert(grows_down(), "this space must grow down"); |
duke@435 | 298 | assert(other_space->grows_up(), "other space must grow up"); |
duke@435 | 299 | assert(reserved_low_addr() == other_space->reserved_high_addr(), |
duke@435 | 300 | "spaces not contiguous"); |
duke@435 | 301 | assert(special() == other_space->special(), "one space is special in memory, the other is not"); |
duke@435 | 302 | DEBUG_ONLY(PSVirtualSpaceVerifier this_verifier(this)); |
duke@435 | 303 | DEBUG_ONLY(PSVirtualSpaceVerifier other_verifier(other_space)); |
duke@435 | 304 | |
duke@435 | 305 | size_t bytes_needed = bytes; |
duke@435 | 306 | |
duke@435 | 307 | // First use the uncommitted region in this space. |
duke@435 | 308 | size_t tmp_bytes = MIN2(uncommitted_size(), bytes_needed); |
duke@435 | 309 | if (tmp_bytes > 0) { |
duke@435 | 310 | if (expand_by(tmp_bytes)) { |
duke@435 | 311 | bytes_needed -= tmp_bytes; |
duke@435 | 312 | } else { |
duke@435 | 313 | return 0; |
duke@435 | 314 | } |
duke@435 | 315 | } |
duke@435 | 316 | |
duke@435 | 317 | // Next take from the uncommitted region in the other space, and commit it. |
duke@435 | 318 | tmp_bytes = MIN2(other_space->uncommitted_size(), bytes_needed); |
duke@435 | 319 | if (tmp_bytes > 0) { |
duke@435 | 320 | char* const commit_base = committed_low_addr() - tmp_bytes; |
duke@435 | 321 | if (other_space->special() || |
duke@435 | 322 | os::commit_memory(commit_base, tmp_bytes, alignment())) { |
duke@435 | 323 | // Reduce the reserved region in the other space. |
duke@435 | 324 | other_space->set_reserved(other_space->reserved_low_addr(), |
duke@435 | 325 | other_space->reserved_high_addr() - tmp_bytes, |
duke@435 | 326 | other_space->special()); |
duke@435 | 327 | |
duke@435 | 328 | // Grow both reserved and committed in this space. |
duke@435 | 329 | _reserved_low_addr -= tmp_bytes; |
duke@435 | 330 | _committed_low_addr -= tmp_bytes; |
duke@435 | 331 | bytes_needed -= tmp_bytes; |
duke@435 | 332 | } else { |
duke@435 | 333 | return bytes - bytes_needed; |
duke@435 | 334 | } |
duke@435 | 335 | } |
duke@435 | 336 | |
duke@435 | 337 | // Finally take from the already committed region in the other space. |
duke@435 | 338 | tmp_bytes = bytes_needed; |
duke@435 | 339 | if (tmp_bytes > 0) { |
duke@435 | 340 | // Reduce both committed and reserved in the other space. |
duke@435 | 341 | other_space->set_committed(other_space->committed_low_addr(), |
duke@435 | 342 | other_space->committed_high_addr() - tmp_bytes); |
duke@435 | 343 | other_space->set_reserved(other_space->reserved_low_addr(), |
duke@435 | 344 | other_space->reserved_high_addr() - tmp_bytes, |
duke@435 | 345 | other_space->special()); |
duke@435 | 346 | |
duke@435 | 347 | // Grow both reserved and committed in this space. |
duke@435 | 348 | _reserved_low_addr -= tmp_bytes; |
duke@435 | 349 | _committed_low_addr -= tmp_bytes; |
duke@435 | 350 | } |
duke@435 | 351 | |
duke@435 | 352 | return bytes; |
duke@435 | 353 | } |
duke@435 | 354 | |
duke@435 | 355 | void |
duke@435 | 356 | PSVirtualSpaceHighToLow::print_space_boundaries_on(outputStream* st) const { |
duke@435 | 357 | st->print_cr(" (" PTR_FORMAT ", " PTR_FORMAT ", " PTR_FORMAT "]", |
duke@435 | 358 | high_boundary(), low(), low_boundary()); |
duke@435 | 359 | } |