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Current Path: /opt/golang/1.17.2/src/runtime

📁 ..
📄 HACKING.md(13.07 KB)
📄 Makefile(178 B)
📄 abi_test.go(2.88 KB)
📄 alg.go(9.45 KB)
📄 asm.s(715 B)
📄 asm_386.s(40.27 KB)
📄 asm_amd64.s(56.93 KB)
📄 asm_arm.s(30.23 KB)
📄 asm_arm64.s(33 KB)
📄 asm_mips64x.s(22.43 KB)
📄 asm_mipsx.s(24.39 KB)
📄 asm_ppc64x.h(1023 B)
📄 asm_ppc64x.s(29.16 KB)
📄 asm_riscv64.s(22.43 KB)
📄 asm_s390x.s(26.04 KB)
📄 asm_wasm.s(9.8 KB)
📄 atomic_arm64.s(259 B)
📄 atomic_mips64x.s(326 B)
📄 atomic_mipsx.s(284 B)
📄 atomic_pointer.go(2.62 KB)
📄 atomic_ppc64x.s(461 B)
📄 atomic_riscv64.s(275 B)
📄 auxv_none.go(360 B)
📄 callers_test.go(7.72 KB)
📁 cgo
📄 cgo.go(2.01 KB)
📄 cgo_mmap.go(2.42 KB)
📄 cgo_ppc64x.go(439 B)
📄 cgo_sigaction.go(3.17 KB)
📄 cgocall.go(18.88 KB)
📄 cgocallback.go(317 B)
📄 cgocheck.go(6.83 KB)
📄 chan.go(23.54 KB)
📄 chan_test.go(23.01 KB)
📄 chanbarrier_test.go(1.4 KB)
📄 checkptr.go(3.29 KB)
📄 checkptr_test.go(1.62 KB)
📄 closure_test.go(937 B)
📄 compiler.go(413 B)
📄 complex.go(1.59 KB)
📄 complex_test.go(1.05 KB)
📄 conv_wasm_test.go(2.96 KB)
📄 cpuflags.go(800 B)
📄 cpuflags_amd64.go(533 B)
📄 cpuflags_arm64.go(334 B)
📄 cpuprof.go(6.92 KB)
📄 cputicks.go(497 B)
📄 crash_cgo_test.go(16.17 KB)
📄 crash_nonunix_test.go(429 B)
📄 crash_test.go(20.96 KB)
📄 crash_unix_test.go(8.52 KB)
📁 debug
📄 debug.go(1.63 KB)
📄 debug_test.go(6.82 KB)
📄 debugcall.go(6.21 KB)
📄 debuglog.go(17.49 KB)
📄 debuglog_off.go(377 B)
📄 debuglog_on.go(1.11 KB)
📄 debuglog_test.go(4.56 KB)
📄 defer_test.go(10.32 KB)
📄 defs1_linux.go(862 B)
📄 defs1_netbsd_386.go(2.84 KB)
📄 defs1_netbsd_amd64.go(3.07 KB)
📄 defs1_netbsd_arm.go(2.96 KB)
📄 defs1_netbsd_arm64.go(3.18 KB)
📄 defs1_solaris_amd64.go(4.02 KB)
📄 defs2_linux.go(3.52 KB)
📄 defs3_linux.go(1.11 KB)
📄 defs_aix.go(4.18 KB)
📄 defs_aix_ppc64.go(3.63 KB)
📄 defs_arm_linux.go(2.69 KB)
📄 defs_darwin.go(3.79 KB)
📄 defs_darwin_amd64.go(6.07 KB)
📄 defs_darwin_arm64.go(3.89 KB)
📄 defs_dragonfly.go(2.63 KB)
📄 defs_dragonfly_amd64.go(3.31 KB)
📄 defs_freebsd.go(3.86 KB)
📄 defs_freebsd_386.go(4.38 KB)
📄 defs_freebsd_amd64.go(4.65 KB)
📄 defs_freebsd_arm.go(3.71 KB)
📄 defs_freebsd_arm64.go(4.03 KB)
📄 defs_illumos_amd64.go(285 B)
📄 defs_linux.go(3.05 KB)
📄 defs_linux_386.go(3.77 KB)
📄 defs_linux_amd64.go(4.28 KB)
📄 defs_linux_arm.go(3.45 KB)
📄 defs_linux_arm64.go(3.21 KB)
📄 defs_linux_mips64x.go(3.24 KB)
📄 defs_linux_mipsx.go(3.21 KB)
📄 defs_linux_ppc64.go(3.28 KB)
📄 defs_linux_ppc64le.go(3.28 KB)
📄 defs_linux_riscv64.go(3.27 KB)
📄 defs_linux_s390x.go(2.76 KB)
📄 defs_netbsd.go(2.76 KB)
📄 defs_netbsd_386.go(872 B)
📄 defs_netbsd_amd64.go(1.03 KB)
📄 defs_netbsd_arm.go(781 B)
📄 defs_openbsd.go(3.1 KB)
📄 defs_openbsd_386.go(2.89 KB)
📄 defs_openbsd_amd64.go(3.09 KB)
📄 defs_openbsd_arm.go(3 KB)
📄 defs_openbsd_arm64.go(2.76 KB)
📄 defs_openbsd_mips64.go(2.66 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(3.35 KB)
📄 defs_solaris_amd64.go(1021 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(5.25 KB)
📄 duff_mips64x.s(11.31 KB)
📄 duff_ppc64x.s(2.43 KB)
📄 duff_riscv64.s(11.38 KB)
📄 duff_s390x.s(507 B)
📄 env_plan9.go(2.99 KB)
📄 env_posix.go(1.95 KB)
📄 env_test.go(1.16 KB)
📄 error.go(9.23 KB)
📄 example_test.go(1.55 KB)
📄 export_aix_test.go(204 B)
📄 export_arm_test.go(226 B)
📄 export_darwin_test.go(351 B)
📄 export_debug_regabiargs_off_test.go(416 B)
📄 export_debug_regabiargs_on_test.go(1.39 KB)
📄 export_debug_test.go(5.86 KB)
📄 export_debuglog_test.go(1.27 KB)
📄 export_futex_test.go(570 B)
📄 export_linux_test.go(429 B)
📄 export_mmap_test.go(571 B)
📄 export_pipe2_test.go(436 B)
📄 export_pipe_test.go(240 B)
📄 export_solaris_test.go(282 B)
📄 export_test.go(30.12 KB)
📄 export_unix_test.go(2.35 KB)
📄 export_windows_test.go(652 B)
📄 extern.go(12.58 KB)
📄 fastlog2.go(1.22 KB)
📄 fastlog2_test.go(784 B)
📄 fastlog2table.go(904 B)
📄 float.go(1.35 KB)
📄 funcdata.h(2.47 KB)
📄 futex_test.go(2.15 KB)
📄 gc_test.go(19.21 KB)
📄 gcinfo_test.go(5.69 KB)
📄 go_tls.h(366 B)
📄 hash32.go(1.61 KB)
📄 hash64.go(2.01 KB)
📄 hash_test.go(16.5 KB)
📄 heapdump.go(17.74 KB)
📄 histogram.go(6.42 KB)
📄 histogram_test.go(1.85 KB)
📄 iface.go(16.13 KB)
📄 iface_test.go(7.51 KB)
📁 internal
📄 lfstack.go(1.77 KB)
📄 lfstack_32bit.go(562 B)
📄 lfstack_64bit.go(2.24 KB)
📄 lfstack_test.go(2.78 KB)
📄 libfuzzer.go(2.6 KB)
📄 libfuzzer_amd64.s(961 B)
📄 libfuzzer_arm64.s(772 B)
📄 lock_futex.go(5.22 KB)
📄 lock_js.go(5.81 KB)
📄 lock_sema.go(6.8 KB)
📄 lockrank.go(11.62 KB)
📄 lockrank_off.go(1.17 KB)
📄 lockrank_on.go(9.84 KB)
📄 lockrank_test.go(1.15 KB)
📄 malloc.go(52.33 KB)
📄 malloc_test.go(10.83 KB)
📄 map.go(42.47 KB)
📄 map_benchmark_test.go(10.51 KB)
📄 map_fast32.go(12.63 KB)
📄 map_fast64.go(12.82 KB)
📄 map_faststr.go(14.15 KB)
📄 map_test.go(27.52 KB)
📄 mbarrier.go(12.2 KB)
📄 mbitmap.go(65.27 KB)
📄 mcache.go(9.68 KB)
📄 mcentral.go(7.8 KB)
📄 mcheckmark.go(2.81 KB)
📄 mem_aix.go(1.94 KB)
📄 mem_bsd.go(2.12 KB)
📄 mem_darwin.go(1.88 KB)
📄 mem_js.go(2.35 KB)
📄 mem_linux.go(5.59 KB)
📄 mem_plan9.go(4.53 KB)
📄 mem_windows.go(3.87 KB)
📄 memclr_386.s(2.42 KB)
📄 memclr_amd64.s(3.89 KB)
📄 memclr_arm.s(2.6 KB)
📄 memclr_arm64.s(3.65 KB)
📄 memclr_mips64x.s(1.75 KB)
📄 memclr_mipsx.s(1.35 KB)
📄 memclr_plan9_386.s(983 B)
📄 memclr_plan9_amd64.s(511 B)
📄 memclr_ppc64x.s(4.31 KB)
📄 memclr_riscv64.s(926 B)
📄 memclr_s390x.s(1.96 KB)
📄 memclr_wasm.s(622 B)
📄 memmove_386.s(4.46 KB)
📄 memmove_amd64.s(12.66 KB)
📄 memmove_arm.s(5.9 KB)
📄 memmove_arm64.s(6 KB)
📄 memmove_linux_amd64_test.go(1.6 KB)
📄 memmove_mips64x.s(1.85 KB)
📄 memmove_mipsx.s(4.42 KB)
📄 memmove_plan9_386.s(3.06 KB)
📄 memmove_plan9_amd64.s(3.04 KB)
📄 memmove_ppc64x.s(4.11 KB)
📄 memmove_riscv64.s(1.81 KB)
📄 memmove_s390x.s(2.92 KB)
📄 memmove_test.go(12.04 KB)
📄 memmove_wasm.s(1.74 KB)
📁 metrics
📄 metrics.go(17.69 KB)
📄 metrics_test.go(12.48 KB)
📄 mfinal.go(15.76 KB)
📄 mfinal_test.go(5.85 KB)
📄 mfixalloc.go(2.73 KB)
📄 mgc.go(55.18 KB)
📄 mgcmark.go(45.54 KB)
📄 mgcpacer.go(29.56 KB)
📄 mgcscavenge.go(35.05 KB)
📄 mgcscavenge_test.go(12.74 KB)
📄 mgcstack.go(10.58 KB)
📄 mgcsweep.go(23.56 KB)
📄 mgcwork.go(12.82 KB)
📄 mheap.go(66.31 KB)
📄 mkduff.go(7.19 KB)
📄 mkfastlog2table.go(1.32 KB)
📄 mkpreempt.go(14.17 KB)
📄 mksizeclasses.go(9.31 KB)
📄 mmap.go(990 B)
📄 mpagealloc.go(36.77 KB)
📄 mpagealloc_32bit.go(3.81 KB)
📄 mpagealloc_64bit.go(6.65 KB)
📄 mpagealloc_test.go(32.38 KB)
📄 mpagecache.go(5.28 KB)
📄 mpagecache_test.go(9.93 KB)
📄 mpallocbits.go(12.01 KB)
📄 mpallocbits_test.go(13.69 KB)
📄 mprof.go(25.82 KB)
📄 mranges.go(11.84 KB)
📄 mranges_test.go(5.68 KB)
📁 msan
📄 msan.go(1.51 KB)
📄 msan0.go(741 B)
📄 msan_amd64.s(2.32 KB)
📄 msan_arm64.s(2.01 KB)
📄 msize.go(777 B)
📄 mspanset.go(12.2 KB)
📄 mstats.go(30.65 KB)
📄 mwbbuf.go(9.3 KB)
📄 nbpipe_fcntl_libc_test.go(499 B)
📄 nbpipe_fcntl_unix_test.go(507 B)
📄 nbpipe_pipe.go(426 B)
📄 nbpipe_pipe2.go(592 B)
📄 nbpipe_test.go(2.26 KB)
📄 net_plan9.go(645 B)
📄 netpoll.go(16.24 KB)
📄 netpoll_aix.go(4.87 KB)
📄 netpoll_epoll.go(4.21 KB)
📄 netpoll_fake.go(670 B)
📄 netpoll_kqueue.go(4.64 KB)
📄 netpoll_os_test.go(360 B)
📄 netpoll_solaris.go(10.75 KB)
📄 netpoll_stub.go(1.42 KB)
📄 netpoll_windows.go(3.75 KB)
📄 norace_linux_test.go(905 B)
📄 norace_test.go(996 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(3.88 KB)
📄 os3_solaris.go(17.02 KB)
📄 os_aix.go(8.06 KB)
📄 os_android.go(463 B)
📄 os_darwin.go(11.54 KB)
📄 os_darwin_arm64.go(416 B)
📄 os_dragonfly.go(6.46 KB)
📄 os_freebsd.go(11.2 KB)
📄 os_freebsd2.go(507 B)
📄 os_freebsd_amd64.go(529 B)
📄 os_freebsd_arm.go(1.32 KB)
📄 os_freebsd_arm64.go(398 B)
📄 os_freebsd_noauxv.go(264 B)
📄 os_illumos.go(3.93 KB)
📄 os_js.go(3.26 KB)
📄 os_linux.go(13.47 KB)
📄 os_linux_arm.go(1.35 KB)
📄 os_linux_arm64.go(572 B)
📄 os_linux_be64.go(862 B)
📄 os_linux_generic.go(950 B)
📄 os_linux_mips64x.go(1.11 KB)
📄 os_linux_mipsx.go(1.09 KB)
📄 os_linux_noauxv.go(408 B)
📄 os_linux_novdso.go(387 B)
📄 os_linux_ppc64x.go(566 B)
📄 os_linux_riscv64.go(198 B)
📄 os_linux_s390x.go(316 B)
📄 os_linux_x86.go(270 B)
📄 os_netbsd.go(9.09 KB)
📄 os_netbsd_386.go(588 B)
📄 os_netbsd_amd64.go(585 B)
📄 os_netbsd_arm.go(1.13 KB)
📄 os_netbsd_arm64.go(827 B)
📄 os_nonopenbsd.go(456 B)
📄 os_only_solaris.go(376 B)
📄 os_openbsd.go(6.01 KB)
📄 os_openbsd_arm.go(749 B)
📄 os_openbsd_arm64.go(416 B)
📄 os_openbsd_libc.go(1.7 KB)
📄 os_openbsd_mips64.go(416 B)
📄 os_openbsd_syscall.go(1.27 KB)
📄 os_openbsd_syscall1.go(466 B)
📄 os_openbsd_syscall2.go(2.5 KB)
📄 os_plan9.go(10.2 KB)
📄 os_plan9_arm.go(462 B)
📄 os_solaris.go(6.49 KB)
📄 os_windows.go(43.68 KB)
📄 os_windows_arm.go(511 B)
📄 os_windows_arm64.go(339 B)
📄 panic.go(44.28 KB)
📄 panic32.go(4.83 KB)
📄 panic_test.go(1.71 KB)
📄 plugin.go(4.27 KB)
📁 pprof
📄 preempt.go(15.4 KB)
📄 preempt_386.s(1.07 KB)
📄 preempt_amd64.s(1.81 KB)
📄 preempt_arm.s(1.66 KB)
📄 preempt_arm64.s(2.99 KB)
📄 preempt_mips64x.s(2.93 KB)
📄 preempt_mipsx.s(2.89 KB)
📄 preempt_nonwindows.go(309 B)
📄 preempt_ppc64x.s(2.92 KB)
📄 preempt_riscv64.s(2.48 KB)
📄 preempt_s390x.s(1.19 KB)
📄 preempt_wasm.s(365 B)
📄 print.go(5.95 KB)
📄 proc.go(181.46 KB)
📄 proc_runtime_test.go(820 B)
📄 proc_test.go(25.02 KB)
📄 profbuf.go(18.26 KB)
📄 profbuf_test.go(8.65 KB)
📄 proflabel.go(1.52 KB)
📁 race
📄 race.go(18.56 KB)
📄 race0.go(2.81 KB)
📄 race_amd64.s(14.46 KB)
📄 race_arm64.s(13.71 KB)
📄 race_ppc64le.s(17.72 KB)
📄 rand_test.go(783 B)
📄 rdebug.go(553 B)
📄 relax_stub.go(617 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(2.27 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(2.46 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(2.39 KB)
📄 rt0_linux_mips64x.s(1.03 KB)
📄 rt0_linux_mipsx.s(835 B)
📄 rt0_linux_ppc64.s(865 B)
📄 rt0_linux_ppc64le.s(3.88 KB)
📄 rt0_linux_riscv64.s(370 B)
📄 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(2.38 KB)
📄 rt0_openbsd_386.s(454 B)
📄 rt0_openbsd_amd64.s(311 B)
📄 rt0_openbsd_arm.s(298 B)
📄 rt0_openbsd_arm64.s(2.54 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(15.02 KB)
📄 runtime-gdb_test.go(20.19 KB)
📄 runtime-lldb_test.go(4.95 KB)
📄 runtime.go(1.42 KB)
📄 runtime1.go(12.63 KB)
📄 runtime2.go(42.27 KB)
📄 runtime_linux_test.go(1.46 KB)
📄 runtime_mmap_test.go(1.91 KB)
📄 runtime_test.go(7.81 KB)
📄 runtime_unix_test.go(1.29 KB)
📄 rwmutex.go(3.53 KB)
📄 rwmutex_test.go(4.03 KB)
📄 select.go(14.45 KB)
📄 sema.go(16.08 KB)
📄 sema_test.go(2.5 KB)
📄 semasleep_test.go(1.65 KB)
📄 sigaction.go(543 B)
📄 signal_386.go(1.72 KB)
📄 signal_aix_ppc64.go(3.56 KB)
📄 signal_amd64.go(2.71 KB)
📄 signal_arm.go(2.56 KB)
📄 signal_arm64.go(3.16 KB)
📄 signal_darwin.go(2.13 KB)
📄 signal_darwin_amd64.go(3.85 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(2.13 KB)
📄 signal_linux_arm64.go(2.95 KB)
📄 signal_linux_mips64x.go(3.39 KB)
📄 signal_linux_mipsx.go(3.7 KB)
📄 signal_linux_ppc64x.go(3.46 KB)
📄 signal_linux_riscv64.go(2.92 KB)
📄 signal_linux_s390x.go(4.43 KB)
📄 signal_mips64x.go(3.2 KB)
📄 signal_mipsx.go(3.07 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(2.88 KB)
📄 signal_solaris.go(4.5 KB)
📄 signal_solaris_amd64.go(2.47 KB)
📄 signal_unix.go(37.82 KB)
📄 signal_windows.go(9.2 KB)
📄 signal_windows_test.go(5.73 KB)
📄 sigqueue.go(8.76 KB)
📄 sigqueue_note.go(673 B)
📄 sigqueue_plan9.go(3.39 KB)
📄 sigtab_aix.go(11.3 KB)
📄 sigtab_linux_generic.go(3.56 KB)
📄 sigtab_linux_mipsx.go(6.01 KB)
📄 sizeclasses.go(9.14 KB)
📄 sizeof_test.go(905 B)
📄 slice.go(8.94 KB)
📄 slice_test.go(10.32 KB)
📄 softfloat64.go(10.78 KB)
📄 softfloat64_test.go(4.05 KB)
📄 stack.go(41.92 KB)
📄 stack_test.go(21.05 KB)
📄 string.go(10.85 KB)
📄 string_test.go(9.62 KB)
📄 stubs.go(18.17 KB)
📄 stubs2.go(1.14 KB)
📄 stubs3.go(331 B)
📄 stubs_386.go(550 B)
📄 stubs_amd64.go(1.2 KB)
📄 stubs_arm.go(531 B)
📄 stubs_arm64.go(351 B)
📄 stubs_linux.go(663 B)
📄 stubs_mips64x.go(390 B)
📄 stubs_mipsx.go(305 B)
📄 stubs_nonlinux.go(315 B)
📄 stubs_ppc64.go(383 B)
📄 stubs_ppc64le.go(271 B)
📄 stubs_s390x.go(256 B)
📄 symtab.go(32.29 KB)
📄 symtab_test.go(6.78 KB)
📄 sys_aix_ppc64.s(7.13 KB)
📄 sys_arm.go(521 B)
📄 sys_arm64.go(469 B)
📄 sys_darwin.go(15.91 KB)
📄 sys_darwin_amd64.s(18.52 KB)
📄 sys_darwin_arm64.go(1.68 KB)
📄 sys_darwin_arm64.s(17.23 KB)
📄 sys_dragonfly_amd64.s(8.42 KB)
📄 sys_freebsd_386.s(8.98 KB)
📄 sys_freebsd_amd64.s(10.55 KB)
📄 sys_freebsd_arm.s(10.69 KB)
📄 sys_freebsd_arm64.s(10.33 KB)
📄 sys_libc.go(1.87 KB)
📄 sys_linux_386.s(18.17 KB)
📄 sys_linux_amd64.s(16.25 KB)
📄 sys_linux_arm.s(15.84 KB)
📄 sys_linux_arm64.s(15.26 KB)
📄 sys_linux_mips64x.s(13.4 KB)
📄 sys_linux_mipsx.s(11.16 KB)
📄 sys_linux_ppc64x.s(21.48 KB)
📄 sys_linux_riscv64.s(10.35 KB)
📄 sys_linux_s390x.s(10.52 KB)
📄 sys_mips64x.go(526 B)
📄 sys_mipsx.go(518 B)
📄 sys_netbsd_386.s(10.13 KB)
📄 sys_netbsd_amd64.s(9.91 KB)
📄 sys_netbsd_arm.s(10.94 KB)
📄 sys_netbsd_arm64.s(10.42 KB)
📄 sys_nonppc64x.go(271 B)
📄 sys_openbsd.go(2.3 KB)
📄 sys_openbsd1.go(1.16 KB)
📄 sys_openbsd2.go(7.31 KB)
📄 sys_openbsd3.go(3.29 KB)
📄 sys_openbsd_386.s(19.97 KB)
📄 sys_openbsd_amd64.s(16.44 KB)
📄 sys_openbsd_arm.s(18.09 KB)
📄 sys_openbsd_arm64.s(15.92 KB)
📄 sys_openbsd_mips64.s(9.22 KB)
📄 sys_plan9_386.s(4.4 KB)
📄 sys_plan9_amd64.s(4.47 KB)
📄 sys_plan9_arm.s(7.03 KB)
📄 sys_ppc64x.go(556 B)
📄 sys_riscv64.go(469 B)
📄 sys_s390x.go(469 B)
📄 sys_solaris_amd64.s(6.69 KB)
📄 sys_wasm.go(732 B)
📄 sys_wasm.s(2.65 KB)
📄 sys_windows_386.s(7.74 KB)
📄 sys_windows_amd64.s(9.16 KB)
📄 sys_windows_arm.s(12.02 KB)
📄 sys_windows_arm64.s(12.51 KB)
📄 sys_x86.go(574 B)
📄 syscall2_solaris.go(1.65 KB)
📄 syscall_aix.go(5.99 KB)
📄 syscall_solaris.go(8.26 KB)
📄 syscall_windows.go(16.48 KB)
📄 syscall_windows_test.go(32.53 KB)
📁 testdata
📄 textflag.h(1.52 KB)
📄 time.go(30.56 KB)
📄 time_fake.go(2.38 KB)
📄 time_linux_amd64.s(2.18 KB)
📄 time_nofake.go(587 B)
📄 time_test.go(2.03 KB)
📄 time_windows.h(694 B)
📄 time_windows_386.s(1.81 KB)
📄 time_windows_amd64.s(1.07 KB)
📄 time_windows_arm.s(2.07 KB)
📄 time_windows_arm64.s(1.33 KB)
📄 timeasm.go(468 B)
📄 timestub.go(595 B)
📄 timestub2.go(447 B)
📄 tls_arm.s(3.33 KB)
📄 tls_arm64.h(1.22 KB)
📄 tls_arm64.s(1.2 KB)
📄 tls_mips64x.s(759 B)
📄 tls_mipsx.s(731 B)
📄 tls_ppc64x.s(1.52 KB)
📄 tls_riscv64.s(726 B)
📄 tls_s390x.s(1.55 KB)
📄 tls_stub.go(294 B)
📄 tls_windows_amd64.go(294 B)
📁 trace
📄 trace.go(38.36 KB)
📄 traceback.go(46.51 KB)
📄 traceback_test.go(8.04 KB)
📄 type.go(18.59 KB)
📄 typekind.go(742 B)
📄 utf8.go(3.39 KB)
📄 vdso_elf32.go(2.79 KB)
📄 vdso_elf64.go(2.87 KB)
📄 vdso_freebsd.go(2.46 KB)
📄 vdso_freebsd_arm.go(454 B)
📄 vdso_freebsd_arm64.go(443 B)
📄 vdso_freebsd_x86.go(1.89 KB)
📄 vdso_in_none.go(490 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_mips64x.go(892 B)
📄 vdso_linux_ppc64x.go(712 B)
📄 vlop_386.s(2.02 KB)
📄 vlop_arm.s(7.06 KB)
📄 vlop_arm_test.go(3.75 KB)
📄 vlrt.go(5.91 KB)
📄 wincallback.go(3.52 KB)
📄 write_err.go(310 B)
📄 write_err_android.go(4.65 KB)
📄 zcallback_windows.go(155 B)
📄 zcallback_windows.s(63.05 KB)
📄 zcallback_windows_arm.s(89.34 KB)
📄 zcallback_windows_arm64.s(89.34 KB)

Editing: string.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.

package runtime

import (
	"internal/bytealg"
	"runtime/internal/sys"
	"unsafe"
)

// The constant is known to the compiler.
// There is no fundamental theory behind this number.
const tmpStringBufSize = 32

type tmpBuf [tmpStringBufSize]byte

// concatstrings implements a Go string concatenation x+y+z+...
// The operands are passed in the slice a.
// If buf != nil, the compiler has determined that the result does not
// escape the calling function, so the string data can be stored in buf
// if small enough.
func concatstrings(buf *tmpBuf, a []string) string {
	idx := 0
	l := 0
	count := 0
	for i, x := range a {
		n := len(x)
		if n == 0 {
			continue
		}
		if l+n < l {
			throw("string concatenation too long")
		}
		l += n
		count++
		idx = i
	}
	if count == 0 {
		return ""
	}

// If there is just one string and either it is not on the stack
	// or our result does not escape the calling frame (buf != nil),
	// then we can return that string directly.
	if count == 1 && (buf != nil || !stringDataOnStack(a[idx])) {
		return a[idx]
	}
	s, b := rawstringtmp(buf, l)
	for _, x := range a {
		copy(b, x)
		b = b[len(x):]
	}
	return s
}

func concatstring2(buf *tmpBuf, a0, a1 string) string {
	return concatstrings(buf, []string{a0, a1})
}

func concatstring3(buf *tmpBuf, a0, a1, a2 string) string {
	return concatstrings(buf, []string{a0, a1, a2})
}

func concatstring4(buf *tmpBuf, a0, a1, a2, a3 string) string {
	return concatstrings(buf, []string{a0, a1, a2, a3})
}

func concatstring5(buf *tmpBuf, a0, a1, a2, a3, a4 string) string {
	return concatstrings(buf, []string{a0, a1, a2, a3, a4})
}

// slicebytetostring converts a byte slice to a string.
// It is inserted by the compiler into generated code.
// ptr is a pointer to the first element of the slice;
// n is the length of the slice.
// Buf is a fixed-size buffer for the result,
// it is not nil if the result does not escape.
func slicebytetostring(buf *tmpBuf, ptr *byte, n int) (str string) {
	if n == 0 {
		// Turns out to be a relatively common case.
		// Consider that you want to parse out data between parens in "foo()bar",
		// you find the indices and convert the subslice to string.
		return ""
	}
	if raceenabled {
		racereadrangepc(unsafe.Pointer(ptr),
			uintptr(n),
			getcallerpc(),
			funcPC(slicebytetostring))
	}
	if msanenabled {
		msanread(unsafe.Pointer(ptr), uintptr(n))
	}
	if n == 1 {
		p := unsafe.Pointer(&staticuint64s[*ptr])
		if sys.BigEndian {
			p = add(p, 7)
		}
		stringStructOf(&str).str = p
		stringStructOf(&str).len = 1
		return
	}

var p unsafe.Pointer
	if buf != nil && n <= len(buf) {
		p = unsafe.Pointer(buf)
	} else {
		p = mallocgc(uintptr(n), nil, false)
	}
	stringStructOf(&str).str = p
	stringStructOf(&str).len = n
	memmove(p, unsafe.Pointer(ptr), uintptr(n))
	return
}

// stringDataOnStack reports whether the string's data is
// stored on the current goroutine's stack.
func stringDataOnStack(s string) bool {
	ptr := uintptr(stringStructOf(&s).str)
	stk := getg().stack
	return stk.lo <= ptr && ptr < stk.hi
}

func rawstringtmp(buf *tmpBuf, l int) (s string, b []byte) {
	if buf != nil && l <= len(buf) {
		b = buf[:l]
		s = slicebytetostringtmp(&b[0], len(b))
	} else {
		s, b = rawstring(l)
	}
	return
}

// slicebytetostringtmp returns a "string" referring to the actual []byte bytes.
//
// Callers need to ensure that the returned string will not be used after
// the calling goroutine modifies the original slice or synchronizes with
// another goroutine.
//
// The function is only called when instrumenting
// and otherwise intrinsified by the compiler.
//
// Some internal compiler optimizations use this function.
// - Used for m[T1{... Tn{..., string(k), ...} ...}] and m[string(k)]
//   where k is []byte, T1 to Tn is a nesting of struct and array literals.
// - Used for "<"+string(b)+">" concatenation where b is []byte.
// - Used for string(b)=="foo" comparison where b is []byte.
func slicebytetostringtmp(ptr *byte, n int) (str string) {
	if raceenabled && n > 0 {
		racereadrangepc(unsafe.Pointer(ptr),
			uintptr(n),
			getcallerpc(),
			funcPC(slicebytetostringtmp))
	}
	if msanenabled && n > 0 {
		msanread(unsafe.Pointer(ptr), uintptr(n))
	}
	stringStructOf(&str).str = unsafe.Pointer(ptr)
	stringStructOf(&str).len = n
	return
}

func stringtoslicebyte(buf *tmpBuf, s string) []byte {
	var b []byte
	if buf != nil && len(s) <= len(buf) {
		*buf = tmpBuf{}
		b = buf[:len(s)]
	} else {
		b = rawbyteslice(len(s))
	}
	copy(b, s)
	return b
}

func stringtoslicerune(buf *[tmpStringBufSize]rune, s string) []rune {
	// two passes.
	// unlike slicerunetostring, no race because strings are immutable.
	n := 0
	for range s {
		n++
	}

var a []rune
	if buf != nil && n <= len(buf) {
		*buf = [tmpStringBufSize]rune{}
		a = buf[:n]
	} else {
		a = rawruneslice(n)
	}

n = 0
	for _, r := range s {
		a[n] = r
		n++
	}
	return a
}

func slicerunetostring(buf *tmpBuf, a []rune) string {
	if raceenabled && len(a) > 0 {
		racereadrangepc(unsafe.Pointer(&a[0]),
			uintptr(len(a))*unsafe.Sizeof(a[0]),
			getcallerpc(),
			funcPC(slicerunetostring))
	}
	if msanenabled && len(a) > 0 {
		msanread(unsafe.Pointer(&a[0]), uintptr(len(a))*unsafe.Sizeof(a[0]))
	}
	var dum [4]byte
	size1 := 0
	for _, r := range a {
		size1 += encoderune(dum[:], r)
	}
	s, b := rawstringtmp(buf, size1+3)
	size2 := 0
	for _, r := range a {
		// check for race
		if size2 >= size1 {
			break
		}
		size2 += encoderune(b[size2:], r)
	}
	return s[:size2]
}

type stringStruct struct {
	str unsafe.Pointer
	len int
}

// Variant with *byte pointer type for DWARF debugging.
type stringStructDWARF struct {
	str *byte
	len int
}

func stringStructOf(sp *string) *stringStruct {
	return (*stringStruct)(unsafe.Pointer(sp))
}

func intstring(buf *[4]byte, v int64) (s string) {
	var b []byte
	if buf != nil {
		b = buf[:]
		s = slicebytetostringtmp(&b[0], len(b))
	} else {
		s, b = rawstring(4)
	}
	if int64(rune(v)) != v {
		v = runeError
	}
	n := encoderune(b, rune(v))
	return s[:n]
}

// rawstring allocates storage for a new string. The returned
// string and byte slice both refer to the same storage.
// The storage is not zeroed. Callers should use
// b to set the string contents and then drop b.
func rawstring(size int) (s string, b []byte) {
	p := mallocgc(uintptr(size), nil, false)

stringStructOf(&s).str = p
	stringStructOf(&s).len = size

*(*slice)(unsafe.Pointer(&b)) = slice{p, size, size}

return
}

// rawbyteslice allocates a new byte slice. The byte slice is not zeroed.
func rawbyteslice(size int) (b []byte) {
	cap := roundupsize(uintptr(size))
	p := mallocgc(cap, nil, false)
	if cap != uintptr(size) {
		memclrNoHeapPointers(add(p, uintptr(size)), cap-uintptr(size))
	}

*(*slice)(unsafe.Pointer(&b)) = slice{p, size, int(cap)}
	return
}

// rawruneslice allocates a new rune slice. The rune slice is not zeroed.
func rawruneslice(size int) (b []rune) {
	if uintptr(size) > maxAlloc/4 {
		throw("out of memory")
	}
	mem := roundupsize(uintptr(size) * 4)
	p := mallocgc(mem, nil, false)
	if mem != uintptr(size)*4 {
		memclrNoHeapPointers(add(p, uintptr(size)*4), mem-uintptr(size)*4)
	}

*(*slice)(unsafe.Pointer(&b)) = slice{p, size, int(mem / 4)}
	return
}

// used by cmd/cgo
func gobytes(p *byte, n int) (b []byte) {
	if n == 0 {
		return make([]byte, 0)
	}

if n < 0 || uintptr(n) > maxAlloc {
		panic(errorString("gobytes: length out of range"))
	}

bp := mallocgc(uintptr(n), nil, false)
	memmove(bp, unsafe.Pointer(p), uintptr(n))

*(*slice)(unsafe.Pointer(&b)) = slice{bp, n, n}
	return
}

// This is exported via linkname to assembly in syscall (for Plan9).
//go:linkname gostring
func gostring(p *byte) string {
	l := findnull(p)
	if l == 0 {
		return ""
	}
	s, b := rawstring(l)
	memmove(unsafe.Pointer(&b[0]), unsafe.Pointer(p), uintptr(l))
	return s
}

func gostringn(p *byte, l int) string {
	if l == 0 {
		return ""
	}
	s, b := rawstring(l)
	memmove(unsafe.Pointer(&b[0]), unsafe.Pointer(p), uintptr(l))
	return s
}

func hasPrefix(s, prefix string) bool {
	return len(s) >= len(prefix) && s[:len(prefix)] == prefix
}

const (
	maxUint = ^uint(0)
	maxInt  = int(maxUint >> 1)
)

// atoi parses an int from a string s.
// The bool result reports whether s is a number
// representable by a value of type int.
func atoi(s string) (int, bool) {
	if s == "" {
		return 0, false
	}

neg := false
	if s[0] == '-' {
		neg = true
		s = s[1:]
	}

un := uint(0)
	for i := 0; i < len(s); i++ {
		c := s[i]
		if c < '0' || c > '9' {
			return 0, false
		}
		if un > maxUint/10 {
			// overflow
			return 0, false
		}
		un *= 10
		un1 := un + uint(c) - '0'
		if un1 < un {
			// overflow
			return 0, false
		}
		un = un1
	}

if !neg && un > uint(maxInt) {
		return 0, false
	}
	if neg && un > uint(maxInt)+1 {
		return 0, false
	}

n := int(un)
	if neg {
		n = -n
	}

return n, true
}

// atoi32 is like atoi but for integers
// that fit into an int32.
func atoi32(s string) (int32, bool) {
	if n, ok := atoi(s); n == int(int32(n)) {
		return int32(n), ok
	}
	return 0, false
}

//go:nosplit
func findnull(s *byte) int {
	if s == nil {
		return 0
	}

// Avoid IndexByteString on Plan 9 because it uses SSE instructions
	// on x86 machines, and those are classified as floating point instructions,
	// which are illegal in a note handler.
	if GOOS == "plan9" {
		p := (*[maxAlloc/2 - 1]byte)(unsafe.Pointer(s))
		l := 0
		for p[l] != 0 {
			l++
		}
		return l
	}

// pageSize is the unit we scan at a time looking for NULL.
	// It must be the minimum page size for any architecture Go
	// runs on. It's okay (just a minor performance loss) if the
	// actual system page size is larger than this value.
	const pageSize = 4096

offset := 0
	ptr := unsafe.Pointer(s)
	// IndexByteString uses wide reads, so we need to be careful
	// with page boundaries. Call IndexByteString on
	// [ptr, endOfPage) interval.
	safeLen := int(pageSize - uintptr(ptr)%pageSize)

for {
		t := *(*string)(unsafe.Pointer(&stringStruct{ptr, safeLen}))
		// Check one page at a time.
		if i := bytealg.IndexByteString(t, 0); i != -1 {
			return offset + i
		}
		// Move to next page
		ptr = unsafe.Pointer(uintptr(ptr) + uintptr(safeLen))
		offset += safeLen
		safeLen = pageSize
	}
}

func findnullw(s *uint16) int {
	if s == nil {
		return 0
	}
	p := (*[maxAlloc/2/2 - 1]uint16)(unsafe.Pointer(s))
	l := 0
	for p[l] != 0 {
		l++
	}
	return l
}

//go:nosplit
func gostringnocopy(str *byte) string {
	ss := stringStruct{str: unsafe.Pointer(str), len: findnull(str)}
	s := *(*string)(unsafe.Pointer(&ss))
	return s
}

func gostringw(strw *uint16) string {
	var buf [8]byte
	str := (*[maxAlloc/2/2 - 1]uint16)(unsafe.Pointer(strw))
	n1 := 0
	for i := 0; str[i] != 0; i++ {
		n1 += encoderune(buf[:], rune(str[i]))
	}
	s, b := rawstring(n1 + 4)
	n2 := 0
	for i := 0; str[i] != 0; i++ {
		// check for race
		if n2 >= n1 {
			break
		}
		n2 += encoderune(b[n2:], rune(str[i]))
	}
	b[n2] = 0 // for luck
	return s[:n2]
}

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