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Current Path: /opt/golang/1.19.4/src/runtime

📁 ..
📄 HACKING.md(15.29 KB)
📄 Makefile(178 B)
📄 abi_test.go(2.83 KB)
📄 alg.go(9.45 KB)
📄 align_runtime_test.go(2.73 KB)
📄 align_test.go(5.26 KB)
📁 asan
📄 asan.go(1.55 KB)
📄 asan0.go(761 B)
📄 asan_amd64.s(2.46 KB)
📄 asan_arm64.s(2.15 KB)
📄 asan_riscv64.s(1.92 KB)
📄 asm.s(278 B)
📄 asm_386.s(40.43 KB)
📄 asm_amd64.h(411 B)
📄 asm_amd64.s(57.44 KB)
📄 asm_arm.s(30.2 KB)
📄 asm_arm64.s(41.41 KB)
📄 asm_loong64.s(21.79 KB)
📄 asm_mips64x.s(22.43 KB)
📄 asm_mipsx.s(24.41 KB)
📄 asm_ppc64x.h(1023 B)
📄 asm_ppc64x.s(35.21 KB)
📄 asm_riscv64.s(26.43 KB)
📄 asm_s390x.s(26.08 KB)
📄 asm_wasm.s(9.38 KB)
📄 atomic_arm64.s(259 B)
📄 atomic_loong64.s(245 B)
📄 atomic_mips64x.s(300 B)
📄 atomic_mipsx.s(262 B)
📄 atomic_pointer.go(2.62 KB)
📄 atomic_ppc64x.s(437 B)
📄 atomic_riscv64.s(275 B)
📄 auxv_none.go(298 B)
📄 callers_test.go(8.44 KB)
📁 cgo
📄 cgo.go(2 KB)
📄 cgo_mmap.go(2.4 KB)
📄 cgo_ppc64x.go(418 B)
📄 cgo_sigaction.go(3.28 KB)
📄 cgocall.go(19.12 KB)
📄 cgocallback.go(317 B)
📄 cgocheck.go(6.86 KB)
📄 chan.go(23.73 KB)
📄 chan_test.go(23.37 KB)
📄 chanbarrier_test.go(1.4 KB)
📄 checkptr.go(3.29 KB)
📄 checkptr_test.go(2.73 KB)
📄 closure_test.go(937 B)
📄 compiler.go(410 B)
📄 complex.go(1.59 KB)
📄 complex_test.go(1.05 KB)
📄 conv_wasm_test.go(2.96 KB)
📄 cpuflags.go(810 B)
📄 cpuflags_amd64.go(533 B)
📄 cpuflags_arm64.go(334 B)
📄 cpuprof.go(7.78 KB)
📄 cputicks.go(449 B)
📄 crash_cgo_test.go(18.14 KB)
📄 crash_test.go(21.77 KB)
📄 crash_unix_test.go(8.39 KB)
📁 debug
📄 debug.go(3.23 KB)
📄 debug_test.go(7.98 KB)
📄 debugcall.go(6.19 KB)
📄 debuglog.go(17.87 KB)
📄 debuglog_off.go(357 B)
📄 debuglog_on.go(1.09 KB)
📄 debuglog_test.go(4.56 KB)
📄 defer_test.go(11.56 KB)
📄 defs1_linux.go(845 B)
📄 defs1_netbsd_386.go(2.83 KB)
📄 defs1_netbsd_amd64.go(3.06 KB)
📄 defs1_netbsd_arm.go(2.94 KB)
📄 defs1_netbsd_arm64.go(3.17 KB)
📄 defs1_solaris_amd64.go(4 KB)
📄 defs2_linux.go(3.51 KB)
📄 defs3_linux.go(1.09 KB)
📄 defs_aix.go(4.16 KB)
📄 defs_aix_ppc64.go(3.61 KB)
📄 defs_arm_linux.go(2.67 KB)
📄 defs_darwin.go(3.78 KB)
📄 defs_darwin_amd64.go(6.07 KB)
📄 defs_darwin_arm64.go(3.89 KB)
📄 defs_dragonfly.go(2.59 KB)
📄 defs_dragonfly_amd64.go(3.29 KB)
📄 defs_freebsd.go(3.82 KB)
📄 defs_freebsd_386.go(4.36 KB)
📄 defs_freebsd_amd64.go(4.63 KB)
📄 defs_freebsd_arm.go(3.69 KB)
📄 defs_freebsd_arm64.go(4.01 KB)
📄 defs_illumos_amd64.go(285 B)
📄 defs_linux.go(3.25 KB)
📄 defs_linux_386.go(4.42 KB)
📄 defs_linux_amd64.go(4.93 KB)
📄 defs_linux_arm.go(4.11 KB)
📄 defs_linux_arm64.go(3.86 KB)
📄 defs_linux_loong64.go(3.68 KB)
📄 defs_linux_mips64x.go(3.85 KB)
📄 defs_linux_mipsx.go(3.83 KB)
📄 defs_linux_ppc64.go(3.93 KB)
📄 defs_linux_ppc64le.go(3.93 KB)
📄 defs_linux_riscv64.go(4.06 KB)
📄 defs_linux_s390x.go(3.41 KB)
📄 defs_netbsd.go(2.72 KB)
📄 defs_netbsd_386.go(855 B)
📄 defs_netbsd_amd64.go(1.01 KB)
📄 defs_netbsd_arm.go(764 B)
📄 defs_openbsd.go(3.09 KB)
📄 defs_openbsd_386.go(2.87 KB)
📄 defs_openbsd_amd64.go(3.07 KB)
📄 defs_openbsd_arm.go(2.99 KB)
📄 defs_openbsd_arm64.go(2.74 KB)
📄 defs_openbsd_mips64.go(2.64 KB)
📄 defs_plan9_386.go(1.63 KB)
📄 defs_plan9_amd64.go(1.82 KB)
📄 defs_plan9_arm.go(1.73 KB)
📄 defs_solaris.go(3.31 KB)
📄 defs_solaris_amd64.go(1004 B)
📄 defs_windows.go(2.09 KB)
📄 defs_windows_386.go(1.98 KB)
📄 defs_windows_amd64.go(2.71 KB)
📄 defs_windows_arm.go(2.11 KB)
📄 defs_windows_arm64.go(2.63 KB)
📄 duff_386.s(8.24 KB)
📄 duff_amd64.s(5.62 KB)
📄 duff_arm.s(7.11 KB)
📄 duff_arm64.s(5.27 KB)
📄 duff_loong64.s(12 KB)
📄 duff_mips64x.s(11.28 KB)
📄 duff_ppc64x.s(7.06 KB)
📄 duff_riscv64.s(11.4 KB)
📄 duff_s390x.s(507 B)
📄 env_plan9.go(3 KB)
📄 env_posix.go(1.79 KB)
📄 env_test.go(1.16 KB)
📄 error.go(9.21 KB)
📄 example_test.go(1.55 KB)
📄 export_aix_test.go(234 B)
📄 export_arm_test.go(226 B)
📄 export_darwin_test.go(382 B)
📄 export_debug_amd64_test.go(3.6 KB)
📄 export_debug_arm64_test.go(3.49 KB)
📄 export_debug_test.go(5.05 KB)
📄 export_debuglog_test.go(1.24 KB)
📄 export_linux_test.go(550 B)
📄 export_mmap_test.go(429 B)
📄 export_pipe2_test.go(310 B)
📄 export_pipe_test.go(219 B)
📄 export_solaris_test.go(282 B)
📄 export_test.go(38.87 KB)
📄 export_unix_test.go(2.18 KB)
📄 export_windows_test.go(677 B)
📄 extern.go(13.62 KB)
📄 fastlog2.go(1.22 KB)
📄 fastlog2_test.go(784 B)
📄 fastlog2table.go(904 B)
📄 float.go(1.35 KB)
📄 float_test.go(699 B)
📄 funcdata.h(2.55 KB)
📄 gc_test.go(20.04 KB)
📄 gcinfo_test.go(5.59 KB)
📄 go_tls.h(366 B)
📄 hash32.go(1.58 KB)
📄 hash64.go(1.95 KB)
📄 hash_test.go(16.77 KB)
📄 heapdump.go(17.65 KB)
📄 histogram.go(6.19 KB)
📄 histogram_test.go(3.42 KB)
📄 iface.go(15.66 KB)
📄 iface_test.go(7.45 KB)
📁 internal
📄 lfstack.go(1.77 KB)
📄 lfstack_32bit.go(532 B)
📄 lfstack_64bit.go(2.18 KB)
📄 lfstack_test.go(2.77 KB)
📄 libfuzzer.go(6.5 KB)
📄 libfuzzer_amd64.s(5.01 KB)
📄 libfuzzer_arm64.s(3.15 KB)
📄 lock_futex.go(5.19 KB)
📄 lock_js.go(6.14 KB)
📄 lock_sema.go(6.74 KB)
📄 lockrank.go(13.26 KB)
📄 lockrank_off.go(1.14 KB)
📄 lockrank_on.go(9.83 KB)
📄 lockrank_test.go(1.15 KB)
📄 malloc.go(51.01 KB)
📄 malloc_test.go(10.78 KB)
📄 map.go(43.52 KB)
📄 map_benchmark_test.go(10.48 KB)
📄 map_fast32.go(12.72 KB)
📄 map_fast64.go(12.91 KB)
📄 map_faststr.go(14.3 KB)
📄 map_test.go(27.44 KB)
📄 mbarrier.go(12.43 KB)
📄 mbitmap.go(66.08 KB)
📄 mcache.go(10 KB)
📄 mcentral.go(7.9 KB)
📄 mcheckmark.go(2.81 KB)
📄 mem.go(6.23 KB)
📄 mem_aix.go(1.9 KB)
📄 mem_bsd.go(2.03 KB)
📄 mem_darwin.go(1.84 KB)
📄 mem_js.go(2.25 KB)
📄 mem_linux.go(6.15 KB)
📄 mem_plan9.go(4.32 KB)
📄 mem_windows.go(3.76 KB)
📄 memclr_386.s(2.38 KB)
📄 memclr_amd64.s(4.91 KB)
📄 memclr_arm.s(2.6 KB)
📄 memclr_arm64.s(3.62 KB)
📄 memclr_loong64.s(778 B)
📄 memclr_mips64x.s(1.72 KB)
📄 memclr_mipsx.s(1.32 KB)
📄 memclr_plan9_386.s(983 B)
📄 memclr_plan9_amd64.s(511 B)
📄 memclr_ppc64x.s(4.23 KB)
📄 memclr_riscv64.s(978 B)
📄 memclr_s390x.s(1.96 KB)
📄 memclr_wasm.s(622 B)
📄 memmove_386.s(4.42 KB)
📄 memmove_amd64.s(12.48 KB)
📄 memmove_arm.s(5.9 KB)
📄 memmove_arm64.s(5.96 KB)
📄 memmove_linux_amd64_test.go(1.6 KB)
📄 memmove_loong64.s(1.8 KB)
📄 memmove_mips64x.s(1.83 KB)
📄 memmove_mipsx.s(4.4 KB)
📄 memmove_plan9_386.s(3.06 KB)
📄 memmove_plan9_amd64.s(3.04 KB)
📄 memmove_ppc64x.s(4.58 KB)
📄 memmove_riscv64.s(1.86 KB)
📄 memmove_s390x.s(2.92 KB)
📄 memmove_test.go(14.03 KB)
📄 memmove_wasm.s(1.74 KB)
📁 metrics
📄 metrics.go(18.71 KB)
📄 metrics_test.go(14.74 KB)
📄 mfinal.go(16.34 KB)
📄 mfinal_test.go(6.19 KB)
📄 mfixalloc.go(3.07 KB)
📄 mgc.go(56.37 KB)
📄 mgclimit.go(17.26 KB)
📄 mgclimit_test.go(9.02 KB)
📄 mgcmark.go(47.47 KB)
📄 mgcpacer.go(60.12 KB)
📄 mgcpacer_test.go(40.43 KB)
📄 mgcscavenge.go(41.29 KB)
📄 mgcscavenge_test.go(20.33 KB)
📄 mgcstack.go(10.58 KB)
📄 mgcsweep.go(27.89 KB)
📄 mgcwork.go(12.86 KB)
📄 mheap.go(69.14 KB)
📄 mkduff.go(8.01 KB)
📄 mkfastlog2table.go(3.08 KB)
📄 mkpreempt.go(15.12 KB)
📄 mksizeclasses.go(9.3 KB)
📄 mmap.go(821 B)
📄 mpagealloc.go(36.84 KB)
📄 mpagealloc_32bit.go(3.81 KB)
📄 mpagealloc_64bit.go(9.44 KB)
📄 mpagealloc_test.go(32.59 KB)
📄 mpagecache.go(5.46 KB)
📄 mpagecache_test.go(10.79 KB)
📄 mpallocbits.go(12.6 KB)
📄 mpallocbits_test.go(13.69 KB)
📄 mprof.go(38.51 KB)
📄 mranges.go(13.64 KB)
📄 mranges_test.go(5.68 KB)
📁 msan
📄 msan.go(1.5 KB)
📄 msan0.go(725 B)
📄 msan_amd64.s(2.31 KB)
📄 msan_arm64.s(1.99 KB)
📄 msize.go(777 B)
📄 mspanset.go(12.21 KB)
📄 mstats.go(30.07 KB)
📄 mwbbuf.go(9.28 KB)
📄 nbpipe_fcntl_libc_test.go(470 B)
📄 nbpipe_fcntl_unix_test.go(458 B)
📄 nbpipe_pipe.go(405 B)
📄 nbpipe_pipe2.go(344 B)
📄 nbpipe_pipe_test.go(706 B)
📄 nbpipe_test.go(1.68 KB)
📄 net_plan9.go(645 B)
📄 netpoll.go(18.27 KB)
📄 netpoll_aix.go(4.83 KB)
📄 netpoll_epoll.go(4.16 KB)
📄 netpoll_fake.go(652 B)
📄 netpoll_kqueue.go(4.56 KB)
📄 netpoll_os_test.go(360 B)
📄 netpoll_solaris.go(10.76 KB)
📄 netpoll_stub.go(1.41 KB)
📄 netpoll_windows.go(3.75 KB)
📄 norace_linux_test.go(915 B)
📄 norace_test.go(983 B)
📄 numcpu_freebsd_test.go(381 B)
📄 os2_aix.go(20.45 KB)
📄 os2_freebsd.go(302 B)
📄 os2_openbsd.go(296 B)
📄 os2_plan9.go(1.48 KB)
📄 os2_solaris.go(320 B)
📄 os3_plan9.go(3.93 KB)
📄 os3_solaris.go(17.22 KB)
📄 os_aix.go(8.61 KB)
📄 os_android.go(463 B)
📄 os_darwin.go(12 KB)
📄 os_darwin_arm64.go(416 B)
📄 os_dragonfly.go(6.96 KB)
📄 os_freebsd.go(11.61 KB)
📄 os_freebsd2.go(603 B)
📄 os_freebsd_amd64.go(658 B)
📄 os_freebsd_arm.go(1.32 KB)
📄 os_freebsd_arm64.go(398 B)
📄 os_freebsd_noauxv.go(241 B)
📄 os_illumos.go(3.93 KB)
📄 os_js.go(3.28 KB)
📄 os_linux.go(26.14 KB)
📄 os_linux_arm.go(1.35 KB)
📄 os_linux_arm64.go(556 B)
📄 os_linux_be64.go(824 B)
📄 os_linux_generic.go(888 B)
📄 os_linux_loong64.go(485 B)
📄 os_linux_mips64x.go(1.07 KB)
📄 os_linux_mipsx.go(1.06 KB)
📄 os_linux_noauxv.go(337 B)
📄 os_linux_novdso.go(347 B)
📄 os_linux_ppc64x.go(526 B)
📄 os_linux_riscv64.go(198 B)
📄 os_linux_s390x.go(316 B)
📄 os_linux_x86.go(234 B)
📄 os_netbsd.go(9.8 KB)
📄 os_netbsd_386.go(617 B)
📄 os_netbsd_amd64.go(614 B)
📄 os_netbsd_arm.go(1.16 KB)
📄 os_netbsd_arm64.go(856 B)
📄 os_nonopenbsd.go(437 B)
📄 os_only_solaris.go(357 B)
📄 os_openbsd.go(6.55 KB)
📄 os_openbsd_arm.go(749 B)
📄 os_openbsd_arm64.go(416 B)
📄 os_openbsd_libc.go(1.71 KB)
📄 os_openbsd_mips64.go(416 B)
📄 os_openbsd_syscall.go(1.27 KB)
📄 os_openbsd_syscall1.go(441 B)
📄 os_openbsd_syscall2.go(2.46 KB)
📄 os_plan9.go(10.3 KB)
📄 os_plan9_arm.go(462 B)
📄 os_solaris.go(6.55 KB)
📄 os_windows.go(44.43 KB)
📄 os_windows_arm.go(511 B)
📄 os_windows_arm64.go(339 B)
📄 panic.go(40.25 KB)
📄 panic32.go(4.8 KB)
📄 panic_test.go(1.71 KB)
📄 plugin.go(4.26 KB)
📁 pprof
📄 preempt.go(15.21 KB)
📄 preempt_386.s(824 B)
📄 preempt_amd64.s(1.62 KB)
📄 preempt_arm.s(1.48 KB)
📄 preempt_arm64.s(1.97 KB)
📄 preempt_loong64.s(2.35 KB)
📄 preempt_mips64x.s(2.72 KB)
📄 preempt_mipsx.s(2.68 KB)
📄 preempt_nonwindows.go(290 B)
📄 preempt_ppc64x.s(2.72 KB)
📄 preempt_riscv64.s(2.26 KB)
📄 preempt_s390x.s(1.01 KB)
📄 preempt_wasm.s(176 B)
📄 print.go(5.95 KB)
📄 proc.go(176.84 KB)
📄 proc_runtime_test.go(1.38 KB)
📄 proc_test.go(25.66 KB)
📄 profbuf.go(18.26 KB)
📄 profbuf_test.go(8.65 KB)
📄 proflabel.go(1.52 KB)
📁 race
📄 race.go(18.58 KB)
📄 race0.go(2.79 KB)
📄 race_amd64.s(13.82 KB)
📄 race_arm64.s(14.21 KB)
📄 race_ppc64le.s(17.89 KB)
📄 race_s390x.s(12 KB)
📄 rand_test.go(907 B)
📄 rdebug.go(553 B)
📄 relax_stub.go(598 B)
📄 rt0_aix_ppc64.s(4.33 KB)
📄 rt0_android_386.s(822 B)
📄 rt0_android_amd64.s(754 B)
📄 rt0_android_arm.s(843 B)
📄 rt0_android_arm64.s(941 B)
📄 rt0_darwin_amd64.s(399 B)
📄 rt0_darwin_arm64.s(1.69 KB)
📄 rt0_dragonfly_amd64.s(448 B)
📄 rt0_freebsd_386.s(454 B)
📄 rt0_freebsd_amd64.s(442 B)
📄 rt0_freebsd_arm.s(298 B)
📄 rt0_freebsd_arm64.s(1.88 KB)
📄 rt0_illumos_amd64.s(311 B)
📄 rt0_ios_amd64.s(425 B)
📄 rt0_ios_arm64.s(425 B)
📄 rt0_js_wasm.s(2.3 KB)
📄 rt0_linux_386.s(450 B)
📄 rt0_linux_amd64.s(307 B)
📄 rt0_linux_arm.s(1007 B)
📄 rt0_linux_arm64.s(1.81 KB)
📄 rt0_linux_loong64.s(716 B)
📄 rt0_linux_mips64x.s(1014 B)
📄 rt0_linux_mipsx.s(797 B)
📄 rt0_linux_ppc64.s(928 B)
📄 rt0_linux_ppc64le.s(4.35 KB)
📄 rt0_linux_riscv64.s(2.65 KB)
📄 rt0_linux_s390x.s(676 B)
📄 rt0_netbsd_386.s(452 B)
📄 rt0_netbsd_amd64.s(309 B)
📄 rt0_netbsd_arm.s(296 B)
📄 rt0_netbsd_arm64.s(1.8 KB)
📄 rt0_openbsd_386.s(454 B)
📄 rt0_openbsd_amd64.s(311 B)
📄 rt0_openbsd_arm.s(298 B)
📄 rt0_openbsd_arm64.s(1.96 KB)
📄 rt0_openbsd_mips64.s(976 B)
📄 rt0_plan9_386.s(523 B)
📄 rt0_plan9_amd64.s(481 B)
📄 rt0_plan9_arm.s(397 B)
📄 rt0_solaris_amd64.s(311 B)
📄 rt0_windows_386.s(1.28 KB)
📄 rt0_windows_amd64.s(986 B)
📄 rt0_windows_arm.s(386 B)
📄 rt0_windows_arm64.s(725 B)
📄 runtime-gdb.py(15.33 KB)
📄 runtime-gdb_test.go(20.93 KB)
📄 runtime-lldb_test.go(4.95 KB)
📄 runtime.go(1.45 KB)
📄 runtime1.go(13.06 KB)
📄 runtime2.go(43.07 KB)
📄 runtime_boring.go(606 B)
📄 runtime_linux_test.go(1.95 KB)
📄 runtime_mmap_test.go(1.77 KB)
📄 runtime_test.go(11.79 KB)
📄 runtime_unix_test.go(1.22 KB)
📄 rwmutex.go(3.53 KB)
📄 rwmutex_test.go(4.19 KB)
📄 select.go(14.84 KB)
📄 sema.go(16.16 KB)
📄 sema_test.go(4.21 KB)
📄 semasleep_test.go(3.05 KB)
📄 sigaction.go(489 B)
📄 signal_386.go(1.72 KB)
📄 signal_aix_ppc64.go(3.55 KB)
📄 signal_amd64.go(2.73 KB)
📄 signal_arm.go(2.54 KB)
📄 signal_arm64.go(3.21 KB)
📄 signal_darwin.go(2.13 KB)
📄 signal_darwin_amd64.go(4 KB)
📄 signal_darwin_arm64.go(3.6 KB)
📄 signal_dragonfly.go(2.17 KB)
📄 signal_dragonfly_amd64.go(2.01 KB)
📄 signal_freebsd.go(2.2 KB)
📄 signal_freebsd_386.go(1.55 KB)
📄 signal_freebsd_amd64.go(2.03 KB)
📄 signal_freebsd_arm.go(2.18 KB)
📄 signal_freebsd_arm64.go(3.23 KB)
📄 signal_linux_386.go(1.59 KB)
📄 signal_linux_amd64.go(2.05 KB)
📄 signal_linux_arm.go(2.12 KB)
📄 signal_linux_arm64.go(2.95 KB)
📄 signal_linux_loong64.go(3.22 KB)
📄 signal_linux_mips64x.go(3.35 KB)
📄 signal_linux_mipsx.go(3.67 KB)
📄 signal_linux_ppc64x.go(3.42 KB)
📄 signal_linux_riscv64.go(2.92 KB)
📄 signal_linux_s390x.go(4.49 KB)
📄 signal_loong64.go(3.09 KB)
📄 signal_mips64x.go(3.18 KB)
📄 signal_mipsx.go(3.06 KB)
📄 signal_netbsd.go(2.18 KB)
📄 signal_netbsd_386.go(1.76 KB)
📄 signal_netbsd_amd64.go(2.33 KB)
📄 signal_netbsd_arm.go(2.3 KB)
📄 signal_netbsd_arm64.go(3.4 KB)
📄 signal_openbsd.go(2.18 KB)
📄 signal_openbsd_386.go(1.58 KB)
📄 signal_openbsd_amd64.go(2.04 KB)
📄 signal_openbsd_arm.go(2.12 KB)
📄 signal_openbsd_arm64.go(3.38 KB)
📄 signal_openbsd_mips64.go(3.28 KB)
📄 signal_plan9.go(1.93 KB)
📄 signal_ppc64x.go(3.64 KB)
📄 signal_riscv64.go(2.89 KB)
📄 signal_solaris.go(4.5 KB)
📄 signal_solaris_amd64.go(2.47 KB)
📄 signal_unix.go(41.88 KB)
📄 signal_windows.go(9.27 KB)
📄 signal_windows_test.go(5.29 KB)
📄 sigqueue.go(7.66 KB)
📄 sigqueue_note.go(648 B)
📄 sigqueue_plan9.go(3.25 KB)
📄 sigtab_aix.go(11.3 KB)
📄 sigtab_linux_generic.go(3.52 KB)
📄 sigtab_linux_mipsx.go(5.95 KB)
📄 sizeclasses.go(9.14 KB)
📄 sizeof_test.go(893 B)
📄 slice.go(9.87 KB)
📄 slice_test.go(10.32 KB)
📄 softfloat64.go(11.54 KB)
📄 softfloat64_test.go(4.04 KB)
📄 stack.go(45.05 KB)
📄 stack_test.go(22.39 KB)
📄 string.go(13.18 KB)
📄 string_test.go(12.61 KB)
📄 stubs.go(19.37 KB)
📄 stubs2.go(1.13 KB)
📄 stubs3.go(274 B)
📄 stubs_386.go(550 B)
📄 stubs_amd64.go(1.2 KB)
📄 stubs_arm.go(531 B)
📄 stubs_arm64.go(555 B)
📄 stubs_linux.go(650 B)
📄 stubs_loong64.go(276 B)
📄 stubs_mips64x.go(364 B)
📄 stubs_mipsx.go(283 B)
📄 stubs_nonlinux.go(298 B)
📄 stubs_ppc64.go(301 B)
📄 stubs_ppc64x.go(453 B)
📄 stubs_riscv64.go(460 B)
📄 stubs_s390x.go(256 B)
📄 symtab.go(35.81 KB)
📄 symtab_test.go(7.48 KB)
📄 sys_aix_ppc64.s(7.42 KB)
📄 sys_arm.go(521 B)
📄 sys_arm64.go(469 B)
📄 sys_darwin.go(17.92 KB)
📄 sys_darwin_amd64.s(19.12 KB)
📄 sys_darwin_arm64.go(1.74 KB)
📄 sys_darwin_arm64.s(15.95 KB)
📄 sys_dragonfly_amd64.s(8.03 KB)
📄 sys_freebsd_386.s(8.41 KB)
📄 sys_freebsd_amd64.s(10.7 KB)
📄 sys_freebsd_arm.s(10.12 KB)
📄 sys_freebsd_arm64.s(9.4 KB)
📄 sys_libc.go(1.84 KB)
📄 sys_linux_386.s(18.31 KB)
📄 sys_linux_amd64.s(16.57 KB)
📄 sys_linux_arm.s(16.12 KB)
📄 sys_linux_arm64.s(18.09 KB)
📄 sys_linux_loong64.s(12.15 KB)
📄 sys_linux_mips64x.s(13.5 KB)
📄 sys_linux_mipsx.s(11.09 KB)
📄 sys_linux_ppc64x.s(22.1 KB)
📄 sys_linux_riscv64.s(12.59 KB)
📄 sys_linux_s390x.s(13.78 KB)
📄 sys_loong64.go(489 B)
📄 sys_mips64x.go(500 B)
📄 sys_mipsx.go(496 B)
📄 sys_netbsd_386.s(9.55 KB)
📄 sys_netbsd_amd64.s(9.51 KB)
📄 sys_netbsd_arm.s(10.41 KB)
📄 sys_netbsd_arm64.s(9.38 KB)
📄 sys_nonppc64x.go(245 B)
📄 sys_openbsd.go(2.59 KB)
📄 sys_openbsd1.go(1.23 KB)
📄 sys_openbsd2.go(8.36 KB)
📄 sys_openbsd3.go(3.37 KB)
📄 sys_openbsd_386.s(20.03 KB)
📄 sys_openbsd_amd64.s(16.64 KB)
📄 sys_openbsd_arm.s(18.15 KB)
📄 sys_openbsd_arm64.s(14.84 KB)
📄 sys_openbsd_mips64.s(8.6 KB)
📄 sys_plan9_386.s(4.48 KB)
📄 sys_plan9_amd64.s(4.55 KB)
📄 sys_plan9_arm.s(7.03 KB)
📄 sys_ppc64x.go(532 B)
📄 sys_riscv64.go(469 B)
📄 sys_s390x.go(469 B)
📄 sys_solaris_amd64.s(6.42 KB)
📄 sys_wasm.go(754 B)
📄 sys_wasm.s(2.65 KB)
📄 sys_windows_386.s(7.65 KB)
📄 sys_windows_amd64.s(8.88 KB)
📄 sys_windows_arm.s(11.97 KB)
📄 sys_windows_arm64.s(11.45 KB)
📄 sys_x86.go(552 B)
📄 syscall2_solaris.go(1.65 KB)
📄 syscall_aix.go(6 KB)
📄 syscall_solaris.go(8.01 KB)
📄 syscall_windows.go(16.95 KB)
📄 syscall_windows_test.go(32.96 KB)
📁 testdata
📄 textflag.h(1.52 KB)
📄 time.go(30.75 KB)
📄 time_fake.go(2.5 KB)
📄 time_linux_amd64.s(2.02 KB)
📄 time_nofake.go(709 B)
📄 time_test.go(2.03 KB)
📄 time_windows.h(753 B)
📄 time_windows_386.s(1.79 KB)
📄 time_windows_amd64.s(871 B)
📄 time_windows_arm.s(2.1 KB)
📄 time_windows_arm64.s(1021 B)
📄 timeasm.go(418 B)
📄 timestub.go(532 B)
📄 timestub2.go(314 B)
📄 tls_arm.s(3.45 KB)
📄 tls_arm64.h(1.1 KB)
📄 tls_arm64.s(1.2 KB)
📄 tls_loong64.s(589 B)
📄 tls_mips64x.s(733 B)
📄 tls_mipsx.s(709 B)
📄 tls_ppc64x.s(1.5 KB)
📄 tls_riscv64.s(726 B)
📄 tls_s390x.s(1.55 KB)
📄 tls_stub.go(260 B)
📄 tls_windows_amd64.go(294 B)
📁 trace
📄 trace.go(45.8 KB)
📄 traceback.go(48.18 KB)
📄 traceback_test.go(11.64 KB)
📄 type.go(17.43 KB)
📄 typekind.go(742 B)
📄 utf8.go(3.39 KB)
📄 vdso_elf32.go(2.76 KB)
📄 vdso_elf64.go(2.84 KB)
📄 vdso_freebsd.go(2.44 KB)
📄 vdso_freebsd_arm.go(454 B)
📄 vdso_freebsd_arm64.go(443 B)
📄 vdso_freebsd_x86.go(1.85 KB)
📄 vdso_in_none.go(443 B)
📄 vdso_linux.go(7.77 KB)
📄 vdso_linux_386.go(669 B)
📄 vdso_linux_amd64.go(685 B)
📄 vdso_linux_arm.go(669 B)
📄 vdso_linux_arm64.go(670 B)
📄 vdso_linux_loong64.go(793 B)
📄 vdso_linux_mips64x.go(850 B)
📄 vdso_linux_ppc64x.go(672 B)
📄 vdso_linux_riscv64.go(666 B)
📄 vdso_linux_s390x.go(681 B)
📄 vlop_386.s(2.02 KB)
📄 vlop_arm.s(7.06 KB)
📄 vlop_arm_test.go(3.75 KB)
📄 vlrt.go(6.71 KB)
📄 wincallback.go(3.45 KB)
📄 write_err.go(291 B)
📄 write_err_android.go(4.65 KB)
📄 zcallback_windows.go(155 B)
📄 zcallback_windows.s(63.02 KB)
📄 zcallback_windows_arm.s(89.32 KB)
📄 zcallback_windows_arm64.s(89.32 KB)

Editing: heapdump.go

// Copyright 2014 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

// Implementation of runtime/debug.WriteHeapDump. Writes all
// objects in the heap plus additional info (roots, threads,
// finalizers, etc.) to a file.

// The format of the dumped file is described at
// https://golang.org/s/go15heapdump.

package runtime

import (
	"internal/goarch"
	"unsafe"
)

//go:linkname runtime_debug_WriteHeapDump runtime/debug.WriteHeapDump
func runtime_debug_WriteHeapDump(fd uintptr) {
	stopTheWorld("write heap dump")

// Keep m on this G's stack instead of the system stack.
	// Both readmemstats_m and writeheapdump_m have pretty large
	// peak stack depths and we risk blowing the system stack.
	// This is safe because the world is stopped, so we don't
	// need to worry about anyone shrinking and therefore moving
	// our stack.
	var m MemStats
	systemstack(func() {
		// Call readmemstats_m here instead of deeper in
		// writeheapdump_m because we might blow the system stack
		// otherwise.
		readmemstats_m(&m)
		writeheapdump_m(fd, &m)
	})

startTheWorld()
}

const (
	fieldKindEol       = 0
	fieldKindPtr       = 1
	fieldKindIface     = 2
	fieldKindEface     = 3
	tagEOF             = 0
	tagObject          = 1
	tagOtherRoot       = 2
	tagType            = 3
	tagGoroutine       = 4
	tagStackFrame      = 5
	tagParams          = 6
	tagFinalizer       = 7
	tagItab            = 8
	tagOSThread        = 9
	tagMemStats        = 10
	tagQueuedFinalizer = 11
	tagData            = 12
	tagBSS             = 13
	tagDefer           = 14
	tagPanic           = 15
	tagMemProf         = 16
	tagAllocSample     = 17
)

var dumpfd uintptr // fd to write the dump to.
var tmpbuf []byte

// buffer of pending write data
const (
	bufSize = 4096
)

var buf [bufSize]byte
var nbuf uintptr

func dwrite(data unsafe.Pointer, len uintptr) {
	if len == 0 {
		return
	}
	if nbuf+len <= bufSize {
		copy(buf[nbuf:], (*[bufSize]byte)(data)[:len])
		nbuf += len
		return
	}

write(dumpfd, unsafe.Pointer(&buf), int32(nbuf))
	if len >= bufSize {
		write(dumpfd, data, int32(len))
		nbuf = 0
	} else {
		copy(buf[:], (*[bufSize]byte)(data)[:len])
		nbuf = len
	}
}

func dwritebyte(b byte) {
	dwrite(unsafe.Pointer(&b), 1)
}

func flush() {
	write(dumpfd, unsafe.Pointer(&buf), int32(nbuf))
	nbuf = 0
}

// Cache of types that have been serialized already.
// We use a type's hash field to pick a bucket.
// Inside a bucket, we keep a list of types that
// have been serialized so far, most recently used first.
// Note: when a bucket overflows we may end up
// serializing a type more than once. That's ok.
const (
	typeCacheBuckets = 256
	typeCacheAssoc   = 4
)

type typeCacheBucket struct {
	t [typeCacheAssoc]*_type
}

var typecache [typeCacheBuckets]typeCacheBucket

// dump a uint64 in a varint format parseable by encoding/binary
func dumpint(v uint64) {
	var buf [10]byte
	var n int
	for v >= 0x80 {
		buf[n] = byte(v | 0x80)
		n++
		v >>= 7
	}
	buf[n] = byte(v)
	n++
	dwrite(unsafe.Pointer(&buf), uintptr(n))
}

func dumpbool(b bool) {
	if b {
		dumpint(1)
	} else {
		dumpint(0)
	}
}

// dump varint uint64 length followed by memory contents
func dumpmemrange(data unsafe.Pointer, len uintptr) {
	dumpint(uint64(len))
	dwrite(data, len)
}

func dumpslice(b []byte) {
	dumpint(uint64(len(b)))
	if len(b) > 0 {
		dwrite(unsafe.Pointer(&b[0]), uintptr(len(b)))
	}
}

func dumpstr(s string) {
	sp := stringStructOf(&s)
	dumpmemrange(sp.str, uintptr(sp.len))
}

// dump information for a type
func dumptype(t *_type) {
	if t == nil {
		return
	}

// If we've definitely serialized the type before,
	// no need to do it again.
	b := &typecache[t.hash&(typeCacheBuckets-1)]
	if t == b.t[0] {
		return
	}
	for i := 1; i < typeCacheAssoc; i++ {
		if t == b.t[i] {
			// Move-to-front
			for j := i; j > 0; j-- {
				b.t[j] = b.t[j-1]
			}
			b.t[0] = t
			return
		}
	}

// Might not have been dumped yet. Dump it and
	// remember we did so.
	for j := typeCacheAssoc - 1; j > 0; j-- {
		b.t[j] = b.t[j-1]
	}
	b.t[0] = t

// dump the type
	dumpint(tagType)
	dumpint(uint64(uintptr(unsafe.Pointer(t))))
	dumpint(uint64(t.size))
	if x := t.uncommon(); x == nil || t.nameOff(x.pkgpath).name() == "" {
		dumpstr(t.string())
	} else {
		pkgpathstr := t.nameOff(x.pkgpath).name()
		pkgpath := stringStructOf(&pkgpathstr)
		namestr := t.name()
		name := stringStructOf(&namestr)
		dumpint(uint64(uintptr(pkgpath.len) + 1 + uintptr(name.len)))
		dwrite(pkgpath.str, uintptr(pkgpath.len))
		dwritebyte('.')
		dwrite(name.str, uintptr(name.len))
	}
	dumpbool(t.kind&kindDirectIface == 0 || t.ptrdata != 0)
}

// dump an object
func dumpobj(obj unsafe.Pointer, size uintptr, bv bitvector) {
	dumpint(tagObject)
	dumpint(uint64(uintptr(obj)))
	dumpmemrange(obj, size)
	dumpfields(bv)
}

func dumpotherroot(description string, to unsafe.Pointer) {
	dumpint(tagOtherRoot)
	dumpstr(description)
	dumpint(uint64(uintptr(to)))
}

func dumpfinalizer(obj unsafe.Pointer, fn *funcval, fint *_type, ot *ptrtype) {
	dumpint(tagFinalizer)
	dumpint(uint64(uintptr(obj)))
	dumpint(uint64(uintptr(unsafe.Pointer(fn))))
	dumpint(uint64(uintptr(unsafe.Pointer(fn.fn))))
	dumpint(uint64(uintptr(unsafe.Pointer(fint))))
	dumpint(uint64(uintptr(unsafe.Pointer(ot))))
}

type childInfo struct {
	// Information passed up from the callee frame about
	// the layout of the outargs region.
	argoff uintptr   // where the arguments start in the frame
	arglen uintptr   // size of args region
	args   bitvector // if args.n >= 0, pointer map of args region
	sp     *uint8    // callee sp
	depth  uintptr   // depth in call stack (0 == most recent)
}

// dump kinds & offsets of interesting fields in bv
func dumpbv(cbv *bitvector, offset uintptr) {
	for i := uintptr(0); i < uintptr(cbv.n); i++ {
		if cbv.ptrbit(i) == 1 {
			dumpint(fieldKindPtr)
			dumpint(uint64(offset + i*goarch.PtrSize))
		}
	}
}

func dumpframe(s *stkframe, arg unsafe.Pointer) bool {
	child := (*childInfo)(arg)
	f := s.fn

// Figure out what we can about our stack map
	pc := s.pc
	pcdata := int32(-1) // Use the entry map at function entry
	if pc != f.entry() {
		pc--
		pcdata = pcdatavalue(f, _PCDATA_StackMapIndex, pc, nil)
	}
	if pcdata == -1 {
		// We do not have a valid pcdata value but there might be a
		// stackmap for this function. It is likely that we are looking
		// at the function prologue, assume so and hope for the best.
		pcdata = 0
	}
	stkmap := (*stackmap)(funcdata(f, _FUNCDATA_LocalsPointerMaps))

var bv bitvector
	if stkmap != nil && stkmap.n > 0 {
		bv = stackmapdata(stkmap, pcdata)
	} else {
		bv.n = -1
	}

// Dump main body of stack frame.
	dumpint(tagStackFrame)
	dumpint(uint64(s.sp))                              // lowest address in frame
	dumpint(uint64(child.depth))                       // # of frames deep on the stack
	dumpint(uint64(uintptr(unsafe.Pointer(child.sp)))) // sp of child, or 0 if bottom of stack
	dumpmemrange(unsafe.Pointer(s.sp), s.fp-s.sp)      // frame contents
	dumpint(uint64(f.entry()))
	dumpint(uint64(s.pc))
	dumpint(uint64(s.continpc))
	name := funcname(f)
	if name == "" {
		name = "unknown function"
	}
	dumpstr(name)

// Dump fields in the outargs section
	if child.args.n >= 0 {
		dumpbv(&child.args, child.argoff)
	} else {
		// conservative - everything might be a pointer
		for off := child.argoff; off < child.argoff+child.arglen; off += goarch.PtrSize {
			dumpint(fieldKindPtr)
			dumpint(uint64(off))
		}
	}

// Dump fields in the local vars section
	if stkmap == nil {
		// No locals information, dump everything.
		for off := child.arglen; off < s.varp-s.sp; off += goarch.PtrSize {
			dumpint(fieldKindPtr)
			dumpint(uint64(off))
		}
	} else if stkmap.n < 0 {
		// Locals size information, dump just the locals.
		size := uintptr(-stkmap.n)
		for off := s.varp - size - s.sp; off < s.varp-s.sp; off += goarch.PtrSize {
			dumpint(fieldKindPtr)
			dumpint(uint64(off))
		}
	} else if stkmap.n > 0 {
		// Locals bitmap information, scan just the pointers in
		// locals.
		dumpbv(&bv, s.varp-uintptr(bv.n)*goarch.PtrSize-s.sp)
	}
	dumpint(fieldKindEol)

// Record arg info for parent.
	child.argoff = s.argp - s.fp
	child.arglen = s.arglen
	child.sp = (*uint8)(unsafe.Pointer(s.sp))
	child.depth++
	stkmap = (*stackmap)(funcdata(f, _FUNCDATA_ArgsPointerMaps))
	if stkmap != nil {
		child.args = stackmapdata(stkmap, pcdata)
	} else {
		child.args.n = -1
	}
	return true
}

func dumpgoroutine(gp *g) {
	var sp, pc, lr uintptr
	if gp.syscallsp != 0 {
		sp = gp.syscallsp
		pc = gp.syscallpc
		lr = 0
	} else {
		sp = gp.sched.sp
		pc = gp.sched.pc
		lr = gp.sched.lr
	}

dumpint(tagGoroutine)
	dumpint(uint64(uintptr(unsafe.Pointer(gp))))
	dumpint(uint64(sp))
	dumpint(uint64(gp.goid))
	dumpint(uint64(gp.gopc))
	dumpint(uint64(readgstatus(gp)))
	dumpbool(isSystemGoroutine(gp, false))
	dumpbool(false) // isbackground
	dumpint(uint64(gp.waitsince))
	dumpstr(gp.waitreason.String())
	dumpint(uint64(uintptr(gp.sched.ctxt)))
	dumpint(uint64(uintptr(unsafe.Pointer(gp.m))))
	dumpint(uint64(uintptr(unsafe.Pointer(gp._defer))))
	dumpint(uint64(uintptr(unsafe.Pointer(gp._panic))))

// dump stack
	var child childInfo
	child.args.n = -1
	child.arglen = 0
	child.sp = nil
	child.depth = 0
	gentraceback(pc, sp, lr, gp, 0, nil, 0x7fffffff, dumpframe, noescape(unsafe.Pointer(&child)), 0)

// dump defer & panic records
	for d := gp._defer; d != nil; d = d.link {
		dumpint(tagDefer)
		dumpint(uint64(uintptr(unsafe.Pointer(d))))
		dumpint(uint64(uintptr(unsafe.Pointer(gp))))
		dumpint(uint64(d.sp))
		dumpint(uint64(d.pc))
		fn := *(**funcval)(unsafe.Pointer(&d.fn))
		dumpint(uint64(uintptr(unsafe.Pointer(fn))))
		if d.fn == nil {
			// d.fn can be nil for open-coded defers
			dumpint(uint64(0))
		} else {
			dumpint(uint64(uintptr(unsafe.Pointer(fn.fn))))
		}
		dumpint(uint64(uintptr(unsafe.Pointer(d.link))))
	}
	for p := gp._panic; p != nil; p = p.link {
		dumpint(tagPanic)
		dumpint(uint64(uintptr(unsafe.Pointer(p))))
		dumpint(uint64(uintptr(unsafe.Pointer(gp))))
		eface := efaceOf(&p.arg)
		dumpint(uint64(uintptr(unsafe.Pointer(eface._type))))
		dumpint(uint64(uintptr(unsafe.Pointer(eface.data))))
		dumpint(0) // was p->defer, no longer recorded
		dumpint(uint64(uintptr(unsafe.Pointer(p.link))))
	}
}

func dumpgs() {
	assertWorldStopped()

// goroutines & stacks
	forEachG(func(gp *g) {
		status := readgstatus(gp) // The world is stopped so gp will not be in a scan state.
		switch status {
		default:
			print("runtime: unexpected G.status ", hex(status), "\n")
			throw("dumpgs in STW - bad status")
		case _Gdead:
			// ok
		case _Grunnable,
			_Gsyscall,
			_Gwaiting:
			dumpgoroutine(gp)
		}
	})
}

func finq_callback(fn *funcval, obj unsafe.Pointer, nret uintptr, fint *_type, ot *ptrtype) {
	dumpint(tagQueuedFinalizer)
	dumpint(uint64(uintptr(obj)))
	dumpint(uint64(uintptr(unsafe.Pointer(fn))))
	dumpint(uint64(uintptr(unsafe.Pointer(fn.fn))))
	dumpint(uint64(uintptr(unsafe.Pointer(fint))))
	dumpint(uint64(uintptr(unsafe.Pointer(ot))))
}

func dumproots() {
	// To protect mheap_.allspans.
	assertWorldStopped()

// TODO(mwhudson): dump datamask etc from all objects
	// data segment
	dumpint(tagData)
	dumpint(uint64(firstmoduledata.data))
	dumpmemrange(unsafe.Pointer(firstmoduledata.data), firstmoduledata.edata-firstmoduledata.data)
	dumpfields(firstmoduledata.gcdatamask)

// bss segment
	dumpint(tagBSS)
	dumpint(uint64(firstmoduledata.bss))
	dumpmemrange(unsafe.Pointer(firstmoduledata.bss), firstmoduledata.ebss-firstmoduledata.bss)
	dumpfields(firstmoduledata.gcbssmask)

// mspan.types
	for _, s := range mheap_.allspans {
		if s.state.get() == mSpanInUse {
			// Finalizers
			for sp := s.specials; sp != nil; sp = sp.next {
				if sp.kind != _KindSpecialFinalizer {
					continue
				}
				spf := (*specialfinalizer)(unsafe.Pointer(sp))
				p := unsafe.Pointer(s.base() + uintptr(spf.special.offset))
				dumpfinalizer(p, spf.fn, spf.fint, spf.ot)
			}
		}
	}

// Finalizer queue
	iterate_finq(finq_callback)
}

// Bit vector of free marks.
// Needs to be as big as the largest number of objects per span.
var freemark [_PageSize / 8]bool

func dumpobjs() {
	// To protect mheap_.allspans.
	assertWorldStopped()

for _, s := range mheap_.allspans {
		if s.state.get() != mSpanInUse {
			continue
		}
		p := s.base()
		size := s.elemsize
		n := (s.npages << _PageShift) / size
		if n > uintptr(len(freemark)) {
			throw("freemark array doesn't have enough entries")
		}

for freeIndex := uintptr(0); freeIndex < s.nelems; freeIndex++ {
			if s.isFree(freeIndex) {
				freemark[freeIndex] = true
			}
		}

for j := uintptr(0); j < n; j, p = j+1, p+size {
			if freemark[j] {
				freemark[j] = false
				continue
			}
			dumpobj(unsafe.Pointer(p), size, makeheapobjbv(p, size))
		}
	}
}

func dumpparams() {
	dumpint(tagParams)
	x := uintptr(1)
	if *(*byte)(unsafe.Pointer(&x)) == 1 {
		dumpbool(false) // little-endian ptrs
	} else {
		dumpbool(true) // big-endian ptrs
	}
	dumpint(goarch.PtrSize)
	var arenaStart, arenaEnd uintptr
	for i1 := range mheap_.arenas {
		if mheap_.arenas[i1] == nil {
			continue
		}
		for i, ha := range mheap_.arenas[i1] {
			if ha == nil {
				continue
			}
			base := arenaBase(arenaIdx(i1)<<arenaL1Shift | arenaIdx(i))
			if arenaStart == 0 || base < arenaStart {
				arenaStart = base
			}
			if base+heapArenaBytes > arenaEnd {
				arenaEnd = base + heapArenaBytes
			}
		}
	}
	dumpint(uint64(arenaStart))
	dumpint(uint64(arenaEnd))
	dumpstr(goarch.GOARCH)
	dumpstr(buildVersion)
	dumpint(uint64(ncpu))
}

func itab_callback(tab *itab) {
	t := tab._type
	dumptype(t)
	dumpint(tagItab)
	dumpint(uint64(uintptr(unsafe.Pointer(tab))))
	dumpint(uint64(uintptr(unsafe.Pointer(t))))
}

func dumpitabs() {
	iterate_itabs(itab_callback)
}

func dumpms() {
	for mp := allm; mp != nil; mp = mp.alllink {
		dumpint(tagOSThread)
		dumpint(uint64(uintptr(unsafe.Pointer(mp))))
		dumpint(uint64(mp.id))
		dumpint(mp.procid)
	}
}

//go:systemstack
func dumpmemstats(m *MemStats) {
	assertWorldStopped()

// These ints should be identical to the exported
	// MemStats structure and should be ordered the same
	// way too.
	dumpint(tagMemStats)
	dumpint(m.Alloc)
	dumpint(m.TotalAlloc)
	dumpint(m.Sys)
	dumpint(m.Lookups)
	dumpint(m.Mallocs)
	dumpint(m.Frees)
	dumpint(m.HeapAlloc)
	dumpint(m.HeapSys)
	dumpint(m.HeapIdle)
	dumpint(m.HeapInuse)
	dumpint(m.HeapReleased)
	dumpint(m.HeapObjects)
	dumpint(m.StackInuse)
	dumpint(m.StackSys)
	dumpint(m.MSpanInuse)
	dumpint(m.MSpanSys)
	dumpint(m.MCacheInuse)
	dumpint(m.MCacheSys)
	dumpint(m.BuckHashSys)
	dumpint(m.GCSys)
	dumpint(m.OtherSys)
	dumpint(m.NextGC)
	dumpint(m.LastGC)
	dumpint(m.PauseTotalNs)
	for i := 0; i < 256; i++ {
		dumpint(m.PauseNs[i])
	}
	dumpint(uint64(m.NumGC))
}

func dumpmemprof_callback(b *bucket, nstk uintptr, pstk *uintptr, size, allocs, frees uintptr) {
	stk := (*[100000]uintptr)(unsafe.Pointer(pstk))
	dumpint(tagMemProf)
	dumpint(uint64(uintptr(unsafe.Pointer(b))))
	dumpint(uint64(size))
	dumpint(uint64(nstk))
	for i := uintptr(0); i < nstk; i++ {
		pc := stk[i]
		f := findfunc(pc)
		if !f.valid() {
			var buf [64]byte
			n := len(buf)
			n--
			buf[n] = ')'
			if pc == 0 {
				n--
				buf[n] = '0'
			} else {
				for pc > 0 {
					n--
					buf[n] = "0123456789abcdef"[pc&15]
					pc >>= 4
				}
			}
			n--
			buf[n] = 'x'
			n--
			buf[n] = '0'
			n--
			buf[n] = '('
			dumpslice(buf[n:])
			dumpstr("?")
			dumpint(0)
		} else {
			dumpstr(funcname(f))
			if i > 0 && pc > f.entry() {
				pc--
			}
			file, line := funcline(f, pc)
			dumpstr(file)
			dumpint(uint64(line))
		}
	}
	dumpint(uint64(allocs))
	dumpint(uint64(frees))
}

func dumpmemprof() {
	// To protect mheap_.allspans.
	assertWorldStopped()

iterate_memprof(dumpmemprof_callback)
	for _, s := range mheap_.allspans {
		if s.state.get() != mSpanInUse {
			continue
		}
		for sp := s.specials; sp != nil; sp = sp.next {
			if sp.kind != _KindSpecialProfile {
				continue
			}
			spp := (*specialprofile)(unsafe.Pointer(sp))
			p := s.base() + uintptr(spp.special.offset)
			dumpint(tagAllocSample)
			dumpint(uint64(p))
			dumpint(uint64(uintptr(unsafe.Pointer(spp.b))))
		}
	}
}

var dumphdr = []byte("go1.7 heap dump\n")

func mdump(m *MemStats) {
	assertWorldStopped()

// make sure we're done sweeping
	for _, s := range mheap_.allspans {
		if s.state.get() == mSpanInUse {
			s.ensureSwept()
		}
	}
	memclrNoHeapPointers(unsafe.Pointer(&typecache), unsafe.Sizeof(typecache))
	dwrite(unsafe.Pointer(&dumphdr[0]), uintptr(len(dumphdr)))
	dumpparams()
	dumpitabs()
	dumpobjs()
	dumpgs()
	dumpms()
	dumproots()
	dumpmemstats(m)
	dumpmemprof()
	dumpint(tagEOF)
	flush()
}

func writeheapdump_m(fd uintptr, m *MemStats) {
	assertWorldStopped()

_g_ := getg()
	casgstatus(_g_.m.curg, _Grunning, _Gwaiting)
	_g_.waitreason = waitReasonDumpingHeap

// Set dump file.
	dumpfd = fd

// Call dump routine.
	mdump(m)

// Reset dump file.
	dumpfd = 0
	if tmpbuf != nil {
		sysFree(unsafe.Pointer(&tmpbuf[0]), uintptr(len(tmpbuf)), &memstats.other_sys)
		tmpbuf = nil
	}

casgstatus(_g_.m.curg, _Gwaiting, _Grunning)
}

// dumpint() the kind & offset of each field in an object.
func dumpfields(bv bitvector) {
	dumpbv(&bv, 0)
	dumpint(fieldKindEol)
}

func makeheapobjbv(p uintptr, size uintptr) bitvector {
	// Extend the temp buffer if necessary.
	nptr := size / goarch.PtrSize
	if uintptr(len(tmpbuf)) < nptr/8+1 {
		if tmpbuf != nil {
			sysFree(unsafe.Pointer(&tmpbuf[0]), uintptr(len(tmpbuf)), &memstats.other_sys)
		}
		n := nptr/8 + 1
		p := sysAlloc(n, &memstats.other_sys)
		if p == nil {
			throw("heapdump: out of memory")
		}
		tmpbuf = (*[1 << 30]byte)(p)[:n]
	}
	// Convert heap bitmap to pointer bitmap.
	for i := uintptr(0); i < nptr/8+1; i++ {
		tmpbuf[i] = 0
	}
	i := uintptr(0)
	hbits := heapBitsForAddr(p)
	for ; i < nptr; i++ {
		if !hbits.morePointers() {
			break // end of object
		}
		if hbits.isPointer() {
			tmpbuf[i/8] |= 1 << (i % 8)
		}
		hbits = hbits.next()
	}
	return bitvector{int32(i), &tmpbuf[0]}
}

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