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Current Path: /opt/golang/1.22.0/src/runtime

📁 ..
📄 HACKING.md(13.85 KB)
📄 Makefile(178 B)
📄 abi_test.go(2.83 KB)
📄 alg.go(10.99 KB)
📄 align_runtime_test.go(1.82 KB)
📄 align_test.go(5.37 KB)
📄 arena.go(31.66 KB)
📄 arena_test.go(13.39 KB)
📁 asan
📄 asan.go(1.55 KB)
📄 asan0.go(760 B)
📄 asan_amd64.s(2.45 KB)
📄 asan_arm64.s(2.14 KB)
📄 asan_loong64.s(2.12 KB)
📄 asan_ppc64le.s(2.75 KB)
📄 asan_riscv64.s(1.92 KB)
📄 asm.s(719 B)
📄 asm_386.s(42.54 KB)
📄 asm_amd64.h(631 B)
📄 asm_amd64.s(60.09 KB)
📄 asm_arm.s(31.58 KB)
📄 asm_arm64.s(43.33 KB)
📄 asm_loong64.s(27.58 KB)
📄 asm_mips64x.s(24.34 KB)
📄 asm_mipsx.s(25.82 KB)
📄 asm_ppc64x.h(1.93 KB)
📄 asm_ppc64x.s(45.19 KB)
📄 asm_riscv64.s(26.97 KB)
📄 asm_s390x.s(27.55 KB)
📄 asm_wasm.s(11.82 KB)
📄 atomic_arm64.s(259 B)
📄 atomic_loong64.s(245 B)
📄 atomic_mips64x.s(300 B)
📄 atomic_mipsx.s(262 B)
📄 atomic_pointer.go(3.66 KB)
📄 atomic_ppc64x.s(437 B)
📄 atomic_riscv64.s(275 B)
📄 auxv_none.go(298 B)
📄 callers_test.go(12.13 KB)
📁 cgo
📄 cgo.go(2.5 KB)
📄 cgo_mmap.go(2.42 KB)
📄 cgo_ppc64x.go(418 B)
📄 cgo_sigaction.go(3.28 KB)
📄 cgocall.go(23.23 KB)
📄 cgocallback.go(317 B)
📄 cgocheck.go(7.97 KB)
📄 chan.go(23.74 KB)
📄 chan_test.go(23.44 KB)
📄 chanbarrier_test.go(1.4 KB)
📄 checkptr.go(3.29 KB)
📄 checkptr_test.go(2.86 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)
📄 coro.go(4.92 KB)
📁 coverage
📄 covercounter.go(749 B)
📄 covermeta.go(2.4 KB)
📄 cpuflags.go(810 B)
📄 cpuflags_amd64.go(533 B)
📄 cpuflags_arm64.go(312 B)
📄 cpuprof.go(7.94 KB)
📄 cputicks.go(437 B)
📄 crash_cgo_test.go(23.35 KB)
📄 crash_test.go(23.12 KB)
📄 crash_unix_test.go(9.19 KB)
📄 create_file_nounix.go(305 B)
📄 create_file_unix.go(368 B)
📁 debug
📄 debug.go(3.53 KB)
📄 debug_test.go(7.99 KB)
📄 debugcall.go(6.75 KB)
📄 debuglog.go(18.24 KB)
📄 debuglog_off.go(357 B)
📄 debuglog_on.go(1.09 KB)
📄 debuglog_test.go(4.9 KB)
📄 defer_test.go(11.4 KB)
📄 defs1_linux.go(845 B)
📄 defs1_netbsd_386.go(2.91 KB)
📄 defs1_netbsd_amd64.go(3.14 KB)
📄 defs1_netbsd_arm.go(3.03 KB)
📄 defs1_netbsd_arm64.go(3.25 KB)
📄 defs1_solaris_amd64.go(4.01 KB)
📄 defs2_linux.go(3.22 KB)
📄 defs3_linux.go(1.09 KB)
📄 defs_aix.go(4.17 KB)
📄 defs_aix_ppc64.go(3.63 KB)
📄 defs_arm_linux.go(2.67 KB)
📄 defs_darwin.go(4.18 KB)
📄 defs_darwin_amd64.go(6.34 KB)
📄 defs_darwin_arm64.go(4.17 KB)
📄 defs_dragonfly.go(2.73 KB)
📄 defs_dragonfly_amd64.go(3.41 KB)
📄 defs_freebsd.go(3.96 KB)
📄 defs_freebsd_386.go(4.52 KB)
📄 defs_freebsd_amd64.go(4.79 KB)
📄 defs_freebsd_arm.go(3.92 KB)
📄 defs_freebsd_arm64.go(4.18 KB)
📄 defs_freebsd_riscv64.go(4.19 KB)
📄 defs_illumos_amd64.go(285 B)
📄 defs_linux.go(2.92 KB)
📄 defs_linux_386.go(4.2 KB)
📄 defs_linux_amd64.go(4.7 KB)
📄 defs_linux_arm.go(3.89 KB)
📄 defs_linux_arm64.go(3.62 KB)
📄 defs_linux_loong64.go(3.43 KB)
📄 defs_linux_mips64x.go(3.6 KB)
📄 defs_linux_mipsx.go(3.6 KB)
📄 defs_linux_ppc64.go(3.69 KB)
📄 defs_linux_ppc64le.go(3.69 KB)
📄 defs_linux_riscv64.go(3.81 KB)
📄 defs_linux_s390x.go(3.16 KB)
📄 defs_netbsd.go(2.83 KB)
📄 defs_netbsd_386.go(855 B)
📄 defs_netbsd_amd64.go(1.01 KB)
📄 defs_netbsd_arm.go(764 B)
📄 defs_openbsd.go(3.06 KB)
📄 defs_openbsd_386.go(2.91 KB)
📄 defs_openbsd_amd64.go(3.11 KB)
📄 defs_openbsd_arm.go(3.03 KB)
📄 defs_openbsd_arm64.go(2.78 KB)
📄 defs_openbsd_mips64.go(2.75 KB)
📄 defs_openbsd_ppc64.go(3 KB)
📄 defs_openbsd_riscv64.go(2.89 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(3.32 KB)
📄 defs_solaris_amd64.go(1004 B)
📄 defs_windows.go(2.25 KB)
📄 defs_windows_386.go(2.28 KB)
📄 defs_windows_amd64.go(3.19 KB)
📄 defs_windows_arm.go(2.57 KB)
📄 defs_windows_arm64.go(3.07 KB)
📄 duff_386.s(8.24 KB)
📄 duff_amd64.s(5.64 KB)
📄 duff_arm.s(7.11 KB)
📄 duff_arm64.s(5.27 KB)
📄 duff_loong64.s(11.9 KB)
📄 duff_mips64x.s(11.28 KB)
📄 duff_ppc64x.s(7.06 KB)
📄 duff_riscv64.s(11.4 KB)
📄 duff_s390x.s(507 B)
📄 ehooks_test.go(2.04 KB)
📄 env_plan9.go(3 KB)
📄 env_posix.go(1.56 KB)
📄 env_test.go(1.16 KB)
📄 error.go(9.29 KB)
📄 example_test.go(1.55 KB)
📄 exithook.go(2.32 KB)
📄 export_aix_test.go(207 B)
📄 export_arm_test.go(226 B)
📄 export_darwin_test.go(207 B)
📄 export_debug_amd64_test.go(3.6 KB)
📄 export_debug_arm64_test.go(3.49 KB)
📄 export_debug_ppc64le_test.go(3.5 KB)
📄 export_debug_test.go(5.07 KB)
📄 export_debuglog_test.go(1.27 KB)
📄 export_linux_test.go(378 B)
📄 export_mmap_test.go(429 B)
📄 export_pipe2_test.go(310 B)
📄 export_pipe_test.go(219 B)
📄 export_test.go(50.52 KB)
📄 export_unix_test.go(2.27 KB)
📄 export_windows_test.go(903 B)
📄 extern.go(18.58 KB)
📄 fastlog2.go(1.22 KB)
📄 fastlog2_test.go(784 B)
📄 fastlog2table.go(904 B)
📄 fds_nonunix.go(256 B)
📄 fds_test.go(1.43 KB)
📄 fds_unix.go(1.27 KB)
📄 float.go(1.35 KB)
📄 float_test.go(699 B)
📄 funcdata.h(2.53 KB)
📄 gc_test.go(20.32 KB)
📄 gcinfo_test.go(5.95 KB)
📄 go_tls.h(366 B)
📄 hash32.go(1.58 KB)
📄 hash64.go(1.95 KB)
📄 hash_test.go(17.24 KB)
📄 heap_test.go(529 B)
📄 heapdump.go(17.88 KB)
📄 histogram.go(7.3 KB)
📄 histogram_test.go(3.51 KB)
📄 iface.go(20.92 KB)
📄 iface_test.go(7.45 KB)
📄 import_test.go(1.42 KB)
📄 importx_test.go(763 B)
📁 internal
📄 lfstack.go(2.03 KB)
📄 lfstack_test.go(2.74 KB)
📄 libfuzzer.go(6.34 KB)
📄 libfuzzer_amd64.s(5.03 KB)
📄 libfuzzer_arm64.s(3.15 KB)
📄 lock_futex.go(5.4 KB)
📄 lock_js.go(7.28 KB)
📄 lock_sema.go(6.75 KB)
📄 lock_wasip1.go(2.01 KB)
📄 lockrank.go(18.19 KB)
📄 lockrank_off.go(1.17 KB)
📄 lockrank_on.go(10.27 KB)
📄 lockrank_test.go(856 B)
📄 malloc.go(58.5 KB)
📄 malloc_test.go(10.64 KB)
📄 map.go(52.17 KB)
📄 map_benchmark_test.go(10.59 KB)
📄 map_fast32.go(12.74 KB)
📄 map_fast64.go(12.92 KB)
📄 map_faststr.go(14.32 KB)
📄 map_test.go(31.75 KB)
📄 mbarrier.go(13.78 KB)
📄 mbitmap.go(22.54 KB)
📄 mbitmap_allocheaders.go(44.67 KB)
📄 mbitmap_noallocheaders.go(28.95 KB)
📄 mcache.go(10 KB)
📄 mcentral.go(8.05 KB)
📄 mcheckmark.go(2.85 KB)
📄 mem.go(6.72 KB)
📄 mem_aix.go(2.01 KB)
📄 mem_bsd.go(2.21 KB)
📄 mem_darwin.go(1.96 KB)
📄 mem_js.go(457 B)
📄 mem_linux.go(4.98 KB)
📄 mem_plan9.go(447 B)
📄 mem_sbrk.go(4.19 KB)
📄 mem_wasip1.go(392 B)
📄 mem_wasm.go(488 B)
📄 mem_windows.go(3.88 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(843 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(4.44 KB)
📄 memclr_riscv64.s(1.71 KB)
📄 memclr_s390x.s(1.96 KB)
📄 memclr_wasm.s(485 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(1.53 KB)
📄 memmove_loong64.s(1.87 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(4.91 KB)
📄 memmove_riscv64.s(5.46 KB)
📄 memmove_s390x.s(2.92 KB)
📄 memmove_test.go(21.23 KB)
📄 memmove_wasm.s(479 B)
📁 metrics
📄 metrics.go(26.01 KB)
📄 metrics_test.go(42.46 KB)
📄 mfinal.go(18.91 KB)
📄 mfinal_test.go(5.57 KB)
📄 mfixalloc.go(3.13 KB)
📄 mgc.go(59.29 KB)
📄 mgclimit.go(17.28 KB)
📄 mgclimit_test.go(9.02 KB)
📄 mgcmark.go(53.07 KB)
📄 mgcpacer.go(55.36 KB)
📄 mgcpacer_test.go(39.26 KB)
📄 mgcscavenge.go(52.32 KB)
📄 mgcscavenge_test.go(25.2 KB)
📄 mgcstack.go(10.58 KB)
📄 mgcsweep.go(32.26 KB)
📄 mgcwork.go(12.89 KB)
📄 mheap.go(72.64 KB)
📄 minmax.go(1.46 KB)
📄 minmax_test.go(3.31 KB)
📄 mkduff.go(8.04 KB)
📄 mkfastlog2table.go(3.08 KB)
📄 mklockrank.go(9 KB)
📄 mkpreempt.go(15.33 KB)
📄 mksizeclasses.go(9.52 KB)
📄 mmap.go(844 B)
📄 mpagealloc.go(39.23 KB)
📄 mpagealloc_32bit.go(4.56 KB)
📄 mpagealloc_64bit.go(9.34 KB)
📄 mpagealloc_test.go(32.59 KB)
📄 mpagecache.go(5.59 KB)
📄 mpagecache_test.go(10.79 KB)
📄 mpallocbits.go(12.58 KB)
📄 mpallocbits_test.go(13.69 KB)
📄 mprof.go(47.4 KB)
📄 mranges.go(14.46 KB)
📄 mranges_test.go(5.68 KB)
📁 msan
📄 msan.go(1.5 KB)
📄 msan0.go(725 B)
📄 msan_amd64.s(2.3 KB)
📄 msan_arm64.s(1.98 KB)
📄 msan_loong64.s(1.96 KB)
📄 msize_allocheaders.go(1.32 KB)
📄 msize_noallocheaders.go(915 B)
📄 mspanset.go(13.12 KB)
📄 mstats.go(33.81 KB)
📄 mwbbuf.go(8.13 KB)
📄 nbpipe_pipe.go(405 B)
📄 nbpipe_pipe2.go(344 B)
📄 nbpipe_pipe_test.go(706 B)
📄 nbpipe_test.go(1.99 KB)
📄 net_plan9.go(645 B)
📄 netpoll.go(20.55 KB)
📄 netpoll_aix.go(5.06 KB)
📄 netpoll_epoll.go(4.4 KB)
📄 netpoll_fake.go(664 B)
📄 netpoll_kqueue.go(5.62 KB)
📄 netpoll_os_test.go(520 B)
📄 netpoll_solaris.go(11.2 KB)
📄 netpoll_stub.go(1.48 KB)
📄 netpoll_wasip1.go(6.08 KB)
📄 netpoll_windows.go(4.01 KB)
📄 nonwindows_stub.go(729 B)
📄 norace_linux_test.go(915 B)
📄 norace_test.go(983 B)
📄 numcpu_freebsd_test.go(381 B)
📄 os2_aix.go(20.88 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(3.94 KB)
📄 os3_solaris.go(17.59 KB)
📄 os_aix.go(8.89 KB)
📄 os_android.go(463 B)
📄 os_darwin.go(11.92 KB)
📄 os_darwin_arm64.go(329 B)
📄 os_dragonfly.go(7.14 KB)
📄 os_freebsd.go(11.64 KB)
📄 os_freebsd2.go(603 B)
📄 os_freebsd_amd64.go(658 B)
📄 os_freebsd_arm.go(1.45 KB)
📄 os_freebsd_arm64.go(320 B)
📄 os_freebsd_noauxv.go(241 B)
📄 os_freebsd_riscv64.go(198 B)
📄 os_illumos.go(3.93 KB)
📄 os_js.go(767 B)
📄 os_linux.go(25.71 KB)
📄 os_linux_arm.go(1.51 KB)
📄 os_linux_arm64.go(478 B)
📄 os_linux_be64.go(806 B)
📄 os_linux_generic.go(870 B)
📄 os_linux_loong64.go(263 B)
📄 os_linux_mips64x.go(996 B)
📄 os_linux_mipsx.go(987 B)
📄 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(825 B)
📄 os_linux_x86.go(234 B)
📄 os_netbsd.go(10.12 KB)
📄 os_netbsd_386.go(617 B)
📄 os_netbsd_amd64.go(614 B)
📄 os_netbsd_arm.go(1.07 KB)
📄 os_netbsd_arm64.go(769 B)
📄 os_nonopenbsd.go(437 B)
📄 os_only_solaris.go(357 B)
📄 os_openbsd.go(6.23 KB)
📄 os_openbsd_arm.go(662 B)
📄 os_openbsd_arm64.go(329 B)
📄 os_openbsd_libc.go(1.49 KB)
📄 os_openbsd_mips64.go(329 B)
📄 os_openbsd_syscall.go(1.36 KB)
📄 os_openbsd_syscall1.go(441 B)
📄 os_openbsd_syscall2.go(2.51 KB)
📄 os_plan9.go(10.18 KB)
📄 os_plan9_arm.go(375 B)
📄 os_solaris.go(6.62 KB)
📄 os_unix.go(436 B)
📄 os_unix_nonlinux.go(374 B)
📄 os_wasip1.go(7 KB)
📄 os_wasm.go(3.15 KB)
📄 os_windows.go(41.39 KB)
📄 os_windows_arm.go(511 B)
📄 os_windows_arm64.go(339 B)
📄 pagetrace_off.go(550 B)
📄 pagetrace_on.go(10.36 KB)
📄 panic.go(41.85 KB)
📄 panic32.go(4.8 KB)
📄 panic_test.go(1.71 KB)
📄 panicnil_test.go(1.25 KB)
📄 pinner.go(10.98 KB)
📄 pinner_test.go(11.04 KB)
📄 plugin.go(4.37 KB)
📁 pprof
📄 preempt.go(15.03 KB)
📄 preempt_386.s(824 B)
📄 preempt_amd64.s(1.67 KB)
📄 preempt_arm.s(1.49 KB)
📄 preempt_arm64.s(1.97 KB)
📄 preempt_loong64.s(2.41 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(5.92 KB)
📄 proc.go(204.28 KB)
📄 proc_runtime_test.go(1.38 KB)
📄 proc_test.go(25.85 KB)
📄 profbuf.go(18.26 KB)
📄 profbuf_test.go(8.54 KB)
📄 proflabel.go(1.52 KB)
📁 race
📄 race.go(18.81 KB)
📄 race0.go(2.79 KB)
📄 race_amd64.s(13.94 KB)
📄 race_arm64.s(14.21 KB)
📄 race_ppc64le.s(15.93 KB)
📄 race_s390x.s(11.99 KB)
📄 rand.go(7.11 KB)
📄 rand_test.go(1.95 KB)
📄 rdebug.go(550 B)
📄 retry.go(760 B)
📄 rt0_aix_ppc64.s(4.09 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_freebsd_riscv64.s(2.72 KB)
📄 rt0_illumos_amd64.s(311 B)
📄 rt0_ios_amd64.s(425 B)
📄 rt0_ios_arm64.s(425 B)
📄 rt0_js_wasm.s(1.53 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(2.01 KB)
📄 rt0_linux_mips64x.s(1014 B)
📄 rt0_linux_mipsx.s(797 B)
📄 rt0_linux_ppc64.s(847 B)
📄 rt0_linux_ppc64le.s(2.89 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_openbsd_ppc64.s(370 B)
📄 rt0_openbsd_riscv64.s(372 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_wasip1_wasm.s(387 B)
📄 rt0_windows_386.s(1.28 KB)
📄 rt0_windows_amd64.s(1.14 KB)
📄 rt0_windows_arm.s(386 B)
📄 rt0_windows_arm64.s(733 B)
📄 runtime-gdb.py(15.44 KB)
📄 runtime-gdb_test.go(24.04 KB)
📄 runtime-gdb_unix_test.go(9.4 KB)
📄 runtime-lldb_test.go(4.95 KB)
📄 runtime-seh_windows_test.go(4.7 KB)
📄 runtime.go(7.1 KB)
📄 runtime1.go(16.66 KB)
📄 runtime2.go(46.16 KB)
📄 runtime_boring.go(606 B)
📄 runtime_linux_test.go(1.77 KB)
📄 runtime_mmap_test.go(1.77 KB)
📄 runtime_test.go(11.81 KB)
📄 runtime_unix_test.go(1.22 KB)
📄 rwmutex.go(5 KB)
📄 rwmutex_test.go(4.21 KB)
📄 security_aix.go(449 B)
📄 security_issetugid.go(502 B)
📄 security_linux.go(335 B)
📄 security_nonunix.go(256 B)
📄 security_test.go(4.09 KB)
📄 security_unix.go(818 B)
📄 select.go(14.82 KB)
📄 sema.go(18.43 KB)
📄 sema_test.go(4.21 KB)
📄 semasleep_test.go(3.46 KB)
📄 sigaction.go(489 B)
📄 signal_386.go(1.72 KB)
📄 signal_aix_ppc64.go(3.54 KB)
📄 signal_amd64.go(2.73 KB)
📄 signal_arm.go(2.54 KB)
📄 signal_arm64.go(3.83 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(3.24 KB)
📄 signal_freebsd_riscv64.go(3.08 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(3.5 KB)
📄 signal_linux_riscv64.go(2.92 KB)
📄 signal_linux_s390x.go(4.49 KB)
📄 signal_loong64.go(3.01 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(3.39 KB)
📄 signal_openbsd_mips64.go(3.28 KB)
📄 signal_openbsd_ppc64.go(3.53 KB)
📄 signal_openbsd_riscv64.go(3.12 KB)
📄 signal_plan9.go(1.93 KB)
📄 signal_ppc64x.go(3.71 KB)
📄 signal_riscv64.go(2.91 KB)
📄 signal_solaris.go(4.5 KB)
📄 signal_solaris_amd64.go(2.47 KB)
📄 signal_unix.go(44.11 KB)
📄 signal_windows.go(14.48 KB)
📄 signal_windows_test.go(8.98 KB)
📄 sigqueue.go(7.62 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(9.17 KB)
📄 sizeof_test.go(1003 B)
📄 slice.go(11.23 KB)
📄 slice_test.go(10.32 KB)
📄 softfloat64.go(11.54 KB)
📄 softfloat64_test.go(4.04 KB)
📄 stack.go(40.02 KB)
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📄 start_line_amd64_test.go(647 B)
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📄 stkframe.go(9.88 KB)
📄 string.go(13.35 KB)
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📄 stubs.go(17.39 KB)
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📄 stubs_arm64.go(700 B)
📄 stubs_linux.go(650 B)
📄 stubs_loong64.go(638 B)
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📄 stubs_nonlinux.go(298 B)
📄 stubs_ppc64.go(302 B)
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📄 stubs_riscv64.go(695 B)
📄 stubs_s390x.go(414 B)
📄 symtab.go(34.76 KB)
📄 symtab_test.go(7.48 KB)
📄 symtabinl.go(3.81 KB)
📄 symtabinl_test.go(2.97 KB)
📄 sys_aix_ppc64.s(7.42 KB)
📄 sys_arm.go(521 B)
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📄 sys_darwin.go(22.56 KB)
📄 sys_darwin_amd64.s(19.65 KB)
📄 sys_darwin_arm64.go(1.74 KB)
📄 sys_darwin_arm64.s(18.28 KB)
📄 sys_dragonfly_amd64.s(8.31 KB)
📄 sys_freebsd_386.s(9.41 KB)
📄 sys_freebsd_amd64.s(12.67 KB)
📄 sys_freebsd_arm.s(10.38 KB)
📄 sys_freebsd_arm64.s(9.49 KB)
📄 sys_freebsd_riscv64.s(8.92 KB)
📄 sys_libc.go(1.84 KB)
📄 sys_linux_386.s(17.89 KB)
📄 sys_linux_amd64.s(15.74 KB)
📄 sys_linux_arm.s(13.5 KB)
📄 sys_linux_arm64.s(16.71 KB)
📄 sys_linux_loong64.s(14.16 KB)
📄 sys_linux_mips64x.s(11.96 KB)
📄 sys_linux_mipsx.s(9.69 KB)
📄 sys_linux_ppc64x.s(18.09 KB)
📄 sys_linux_riscv64.s(11.48 KB)
📄 sys_linux_s390x.s(12.49 KB)
📄 sys_loong64.go(489 B)
📄 sys_mips64x.go(500 B)
📄 sys_mipsx.go(496 B)
📄 sys_netbsd_386.s(9.61 KB)
📄 sys_netbsd_amd64.s(9.78 KB)
📄 sys_netbsd_arm.s(10.58 KB)
📄 sys_netbsd_arm64.s(9.47 KB)
📄 sys_nonppc64x.go(245 B)
📄 sys_openbsd.go(2.59 KB)
📄 sys_openbsd1.go(1.23 KB)
📄 sys_openbsd2.go(8.67 KB)
📄 sys_openbsd3.go(3.37 KB)
📄 sys_openbsd_386.s(20.4 KB)
📄 sys_openbsd_amd64.s(15.54 KB)
📄 sys_openbsd_arm.s(18.46 KB)
📄 sys_openbsd_arm64.s(15.05 KB)
📄 sys_openbsd_mips64.s(8.81 KB)
📄 sys_openbsd_ppc64.s(15.3 KB)
📄 sys_openbsd_riscv64.s(16.8 KB)
📄 sys_plan9_386.s(4.48 KB)
📄 sys_plan9_amd64.s(4.56 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(758 B)
📄 sys_wasm.s(1.43 KB)
📄 sys_windows_386.s(6.46 KB)
📄 sys_windows_amd64.s(8.41 KB)
📄 sys_windows_arm.s(7.72 KB)
📄 sys_windows_arm64.s(6.8 KB)
📄 sys_x86.go(552 B)
📄 syscall2_solaris.go(1.85 KB)
📄 syscall_aix.go(6.33 KB)
📄 syscall_solaris.go(8.38 KB)
📄 syscall_unix_test.go(635 B)
📄 syscall_windows.go(16.57 KB)
📄 syscall_windows_test.go(32.45 KB)
📄 tagptr.go(496 B)
📄 tagptr_32bit.go(927 B)
📄 tagptr_64bit.go(3.23 KB)
📄 test_amd64.go(196 B)
📄 test_amd64.s(316 B)
📄 test_stubs.go(218 B)
📁 testdata
📄 textflag.h(1.47 KB)
📄 time.go(30.57 KB)
📄 time_fake.go(2.5 KB)
📄 time_linux_amd64.s(2.02 KB)
📄 time_nofake.go(709 B)
📄 time_test.go(2.04 KB)
📄 time_windows.h(753 B)
📄 time_windows_386.s(1.71 KB)
📄 time_windows_amd64.s(786 B)
📄 time_windows_arm.s(1.97 KB)
📄 time_windows_arm64.s(906 B)
📄 timeasm.go(418 B)
📄 timestub.go(532 B)
📄 timestub2.go(363 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(710 B)
📄 tls_ppc64x.s(1.52 KB)
📄 tls_riscv64.s(615 B)
📄 tls_s390x.s(1.55 KB)
📄 tls_stub.go(260 B)
📄 tls_windows_amd64.go(294 B)
📁 trace
📄 trace.go(62.76 KB)
📄 trace2.go(33.81 KB)
📄 trace2buf.go(6.58 KB)
📄 trace2cpu.go(8.87 KB)
📄 trace2event.go(8.39 KB)
📄 trace2map.go(4.36 KB)
📄 trace2region.go(1.68 KB)
📄 trace2runtime.go(24.2 KB)
📄 trace2stack.go(9.45 KB)
📄 trace2status.go(7.24 KB)
📄 trace2string.go(2.59 KB)
📄 trace2time.go(3.21 KB)
📄 trace_cgo_test.go(4.47 KB)
📄 traceback.go(54.61 KB)
📄 traceback_test.go(22.95 KB)
📄 tracebackx_test.go(509 B)
📄 type.go(12.1 KB)
📄 typekind.go(743 B)
📄 unsafe.go(2.97 KB)
📄 unsafepoint_test.go(3.27 KB)
📄 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(454 B)
📄 vdso_freebsd_riscv64.go(429 B)
📄 vdso_freebsd_x86.go(1.86 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(659 B)
📄 vdso_test.go(3.71 KB)
📄 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(63.06 KB)
📄 zcallback_windows_arm.s(89.32 KB)
📄 zcallback_windows_arm64.s(89.32 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/abi"
	"internal/bytealg"
	"internal/goarch"
	"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) 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(),
			abi.FuncPCABIInternal(slicebytetostring))
	}
	if msanenabled {
		msanread(unsafe.Pointer(ptr), uintptr(n))
	}
	if asanenabled {
		asanread(unsafe.Pointer(ptr), uintptr(n))
	}
	if n == 1 {
		p := unsafe.Pointer(&staticuint64s[*ptr])
		if goarch.BigEndian {
			p = add(p, 7)
		}
		return unsafe.String((*byte)(p), 1)
	}

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

// stringDataOnStack reports whether the string's data is
// stored on the current goroutine's stack.
func stringDataOnStack(s string) bool {
	ptr := uintptr(unsafe.Pointer(unsafe.StringData(s)))
	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) string {
	if raceenabled && n > 0 {
		racereadrangepc(unsafe.Pointer(ptr),
			uintptr(n),
			getcallerpc(),
			abi.FuncPCABIInternal(slicebytetostringtmp))
	}
	if msanenabled && n > 0 {
		msanread(unsafe.Pointer(ptr), uintptr(n))
	}
	if asanenabled && n > 0 {
		asanread(unsafe.Pointer(ptr), uintptr(n))
	}
	return unsafe.String(ptr, n)
}

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(),
			abi.FuncPCABIInternal(slicerunetostring))
	}
	if msanenabled && len(a) > 0 {
		msanread(unsafe.Pointer(&a[0]), uintptr(len(a))*unsafe.Sizeof(a[0]))
	}
	if asanenabled && len(a) > 0 {
		asanread(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)
	return unsafe.String((*byte)(p), size), unsafe.Slice((*byte)(p), size)
}

// rawbyteslice allocates a new byte slice. The byte slice is not zeroed.
func rawbyteslice(size int) (b []byte) {
	cap := roundupsize(uintptr(size), true)
	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, true)
	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
}

// internal_syscall_gostring is a version of gostring for internal/syscall/unix.
//
//go:linkname internal_syscall_gostring internal/syscall/unix.gostring
func internal_syscall_gostring(p *byte) string {
	return gostring(p)
}

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
}

func hasSuffix(s, suffix string) bool {
	return len(s) >= len(suffix) && s[len(s)-len(suffix):] == suffix
}

const (
	maxUint64 = ^uint64(0)
	maxInt64  = int64(maxUint64 >> 1)
)

// atoi64 parses an int64 from a string s.
// The bool result reports whether s is a number
// representable by a value of type int64.
func atoi64(s string) (int64, bool) {
	if s == "" {
		return 0, false
	}

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

un := uint64(0)
	for i := 0; i < len(s); i++ {
		c := s[i]
		if c < '0' || c > '9' {
			return 0, false
		}
		if un > maxUint64/10 {
			// overflow
			return 0, false
		}
		un *= 10
		un1 := un + uint64(c) - '0'
		if un1 < un {
			// overflow
			return 0, false
		}
		un = un1
	}

if !neg && un > uint64(maxInt64) {
		return 0, false
	}
	if neg && un > uint64(maxInt64)+1 {
		return 0, false
	}

n := int64(un)
	if neg {
		n = -n
	}

return n, true
}

// atoi is like atoi64 but for integers
// that fit into an int.
func atoi(s string) (int, bool) {
	if n, ok := atoi64(s); n == int64(int(n)) {
		return int(n), ok
	}
	return 0, false
}

// atoi32 is like atoi but for integers
// that fit into an int32.
func atoi32(s string) (int32, bool) {
	if n, ok := atoi64(s); n == int64(int32(n)) {
		return int32(n), ok
	}
	return 0, false
}

// parseByteCount parses a string that represents a count of bytes.
//
// s must match the following regular expression:
//
//	^[0-9]+(([KMGT]i)?B)?$
//
// In other words, an integer byte count with an optional unit
// suffix. Acceptable suffixes include one of
// - KiB, MiB, GiB, TiB which represent binary IEC/ISO 80000 units, or
// - B, which just represents bytes.
//
// Returns an int64 because that's what its callers want and receive,
// but the result is always non-negative.
func parseByteCount(s string) (int64, bool) {
	// The empty string is not valid.
	if s == "" {
		return 0, false
	}
	// Handle the easy non-suffix case.
	last := s[len(s)-1]
	if last >= '0' && last <= '9' {
		n, ok := atoi64(s)
		if !ok || n < 0 {
			return 0, false
		}
		return n, ok
	}
	// Failing a trailing digit, this must always end in 'B'.
	// Also at this point there must be at least one digit before
	// that B.
	if last != 'B' || len(s) < 2 {
		return 0, false
	}
	// The one before that must always be a digit or 'i'.
	if c := s[len(s)-2]; c >= '0' && c <= '9' {
		// Trivial 'B' suffix.
		n, ok := atoi64(s[:len(s)-1])
		if !ok || n < 0 {
			return 0, false
		}
		return n, ok
	} else if c != 'i' {
		return 0, false
	}
	// Finally, we need at least 4 characters now, for the unit
	// prefix and at least one digit.
	if len(s) < 4 {
		return 0, false
	}
	power := 0
	switch s[len(s)-3] {
	case 'K':
		power = 1
	case 'M':
		power = 2
	case 'G':
		power = 3
	case 'T':
		power = 4
	default:
		// Invalid suffix.
		return 0, false
	}
	m := uint64(1)
	for i := 0; i < power; i++ {
		m *= 1024
	}
	n, ok := atoi64(s[:len(s)-3])
	if !ok || n < 0 {
		return 0, false
	}
	un := uint64(n)
	if un > maxUint64/m {
		// Overflow.
		return 0, false
	}
	un *= m
	if un > uint64(maxInt64) {
		// Overflow.
		return 0, false
	}
	return int64(un), true
}

//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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