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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)
📄 stack_test.go(23.14 KB)
📄 start_line_amd64_test.go(647 B)
📄 start_line_test.go(2.58 KB)
📄 stkframe.go(9.88 KB)
📄 string.go(13.35 KB)
📄 string_test.go(13.33 KB)
📄 stubs.go(17.39 KB)
📄 stubs2.go(1.15 KB)
📄 stubs3.go(324 B)
📄 stubs_386.go(708 B)
📄 stubs_amd64.go(1.38 KB)
📄 stubs_arm.go(689 B)
📄 stubs_arm64.go(700 B)
📄 stubs_linux.go(650 B)
📄 stubs_loong64.go(638 B)
📄 stubs_mips64x.go(522 B)
📄 stubs_mipsx.go(441 B)
📄 stubs_nonlinux.go(298 B)
📄 stubs_ppc64.go(302 B)
📄 stubs_ppc64x.go(688 B)
📄 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)
📄 sys_arm64.go(469 B)
📄 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: sys_linux_amd64.s

// Copyright 2009 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.

//
// System calls and other sys.stuff for AMD64, Linux
//

#include "go_asm.h"
#include "go_tls.h"
#include "textflag.h"
#include "cgo/abi_amd64.h"

#define AT_FDCWD -100

#define SYS_read		0
#define SYS_write		1
#define SYS_close		3
#define SYS_mmap		9
#define SYS_munmap		11
#define SYS_brk 		12
#define SYS_rt_sigaction	13
#define SYS_rt_sigprocmask	14
#define SYS_rt_sigreturn	15
#define SYS_sched_yield 	24
#define SYS_mincore		27
#define SYS_madvise		28
#define SYS_nanosleep		35
#define SYS_setittimer		38
#define SYS_getpid		39
#define SYS_socket		41
#define SYS_connect		42
#define SYS_clone		56
#define SYS_exit		60
#define SYS_kill		62
#define SYS_sigaltstack 	131
#define SYS_arch_prctl		158
#define SYS_gettid		186
#define SYS_futex		202
#define SYS_sched_getaffinity	204
#define SYS_timer_create	222
#define SYS_timer_settime	223
#define SYS_timer_delete	226
#define SYS_clock_gettime	228
#define SYS_exit_group		231
#define SYS_tgkill		234
#define SYS_openat		257
#define SYS_faccessat		269
#define SYS_pipe2		293

TEXT runtime·exit(SB),NOSPLIT,$0-4
	MOVL	code+0(FP), DI
	MOVL	$SYS_exit_group, AX
	SYSCALL
	RET

// func exitThread(wait *atomic.Uint32)
TEXT runtime·exitThread(SB),NOSPLIT,$0-8
	MOVQ	wait+0(FP), AX
	// We're done using the stack.
	MOVL	$0, (AX)
	MOVL	$0, DI	// exit code
	MOVL	$SYS_exit, AX
	SYSCALL
	// We may not even have a stack any more.
	INT	$3
	JMP	0(PC)

TEXT runtime·open(SB),NOSPLIT,$0-20
	// This uses openat instead of open, because Android O blocks open.
	MOVL	$AT_FDCWD, DI // AT_FDCWD, so this acts like open
	MOVQ	name+0(FP), SI
	MOVL	mode+8(FP), DX
	MOVL	perm+12(FP), R10
	MOVL	$SYS_openat, AX
	SYSCALL
	CMPQ	AX, $0xfffffffffffff001
	JLS	2(PC)
	MOVL	$-1, AX
	MOVL	AX, ret+16(FP)
	RET

TEXT runtime·closefd(SB),NOSPLIT,$0-12
	MOVL	fd+0(FP), DI
	MOVL	$SYS_close, AX
	SYSCALL
	CMPQ	AX, $0xfffffffffffff001
	JLS	2(PC)
	MOVL	$-1, AX
	MOVL	AX, ret+8(FP)
	RET

TEXT runtime·write1(SB),NOSPLIT,$0-28
	MOVQ	fd+0(FP), DI
	MOVQ	p+8(FP), SI
	MOVL	n+16(FP), DX
	MOVL	$SYS_write, AX
	SYSCALL
	MOVL	AX, ret+24(FP)
	RET

TEXT runtime·read(SB),NOSPLIT,$0-28
	MOVL	fd+0(FP), DI
	MOVQ	p+8(FP), SI
	MOVL	n+16(FP), DX
	MOVL	$SYS_read, AX
	SYSCALL
	MOVL	AX, ret+24(FP)
	RET

// func pipe2(flags int32) (r, w int32, errno int32)
TEXT runtime·pipe2(SB),NOSPLIT,$0-20
	LEAQ	r+8(FP), DI
	MOVL	flags+0(FP), SI
	MOVL	$SYS_pipe2, AX
	SYSCALL
	MOVL	AX, errno+16(FP)
	RET

TEXT runtime·usleep(SB),NOSPLIT,$16
	MOVL	$0, DX
	MOVL	usec+0(FP), AX
	MOVL	$1000000, CX
	DIVL	CX
	MOVQ	AX, 0(SP)
	MOVL	$1000, AX	// usec to nsec
	MULL	DX
	MOVQ	AX, 8(SP)

// nanosleep(&ts, 0)
	MOVQ	SP, DI
	MOVL	$0, SI
	MOVL	$SYS_nanosleep, AX
	SYSCALL
	RET

TEXT runtime·gettid(SB),NOSPLIT,$0-4
	MOVL	$SYS_gettid, AX
	SYSCALL
	MOVL	AX, ret+0(FP)
	RET

TEXT runtime·raise(SB),NOSPLIT,$0
	MOVL	$SYS_getpid, AX
	SYSCALL
	MOVL	AX, R12
	MOVL	$SYS_gettid, AX
	SYSCALL
	MOVL	AX, SI	// arg 2 tid
	MOVL	R12, DI	// arg 1 pid
	MOVL	sig+0(FP), DX	// arg 3
	MOVL	$SYS_tgkill, AX
	SYSCALL
	RET

TEXT runtime·raiseproc(SB),NOSPLIT,$0
	MOVL	$SYS_getpid, AX
	SYSCALL
	MOVL	AX, DI	// arg 1 pid
	MOVL	sig+0(FP), SI	// arg 2
	MOVL	$SYS_kill, AX
	SYSCALL
	RET

TEXT ·getpid(SB),NOSPLIT,$0-8
	MOVL	$SYS_getpid, AX
	SYSCALL
	MOVQ	AX, ret+0(FP)
	RET

TEXT ·tgkill(SB),NOSPLIT,$0
	MOVQ	tgid+0(FP), DI
	MOVQ	tid+8(FP), SI
	MOVQ	sig+16(FP), DX
	MOVL	$SYS_tgkill, AX
	SYSCALL
	RET

TEXT runtime·setitimer(SB),NOSPLIT,$0-24
	MOVL	mode+0(FP), DI
	MOVQ	new+8(FP), SI
	MOVQ	old+16(FP), DX
	MOVL	$SYS_setittimer, AX
	SYSCALL
	RET

TEXT runtime·timer_create(SB),NOSPLIT,$0-28
	MOVL	clockid+0(FP), DI
	MOVQ	sevp+8(FP), SI
	MOVQ	timerid+16(FP), DX
	MOVL	$SYS_timer_create, AX
	SYSCALL
	MOVL	AX, ret+24(FP)
	RET

TEXT runtime·timer_settime(SB),NOSPLIT,$0-28
	MOVL	timerid+0(FP), DI
	MOVL	flags+4(FP), SI
	MOVQ	new+8(FP), DX
	MOVQ	old+16(FP), R10
	MOVL	$SYS_timer_settime, AX
	SYSCALL
	MOVL	AX, ret+24(FP)
	RET

TEXT runtime·timer_delete(SB),NOSPLIT,$0-12
	MOVL	timerid+0(FP), DI
	MOVL	$SYS_timer_delete, AX
	SYSCALL
	MOVL	AX, ret+8(FP)
	RET

TEXT runtime·mincore(SB),NOSPLIT,$0-28
	MOVQ	addr+0(FP), DI
	MOVQ	n+8(FP), SI
	MOVQ	dst+16(FP), DX
	MOVL	$SYS_mincore, AX
	SYSCALL
	MOVL	AX, ret+24(FP)
	RET

// func nanotime1() int64
TEXT runtime·nanotime1(SB),NOSPLIT,$16-8
	// We don't know how much stack space the VDSO code will need,
	// so switch to g0.
	// In particular, a kernel configured with CONFIG_OPTIMIZE_INLINING=n
	// and hardening can use a full page of stack space in gettime_sym
	// due to stack probes inserted to avoid stack/heap collisions.
	// See issue #20427.

MOVQ	SP, R12	// Save old SP; R12 unchanged by C code.

MOVQ	g_m(R14), BX // BX unchanged by C code.

// Set vdsoPC and vdsoSP for SIGPROF traceback.
	// Save the old values on stack and restore them on exit,
	// so this function is reentrant.
	MOVQ	m_vdsoPC(BX), CX
	MOVQ	m_vdsoSP(BX), DX
	MOVQ	CX, 0(SP)
	MOVQ	DX, 8(SP)

LEAQ	ret+0(FP), DX
	MOVQ	-8(DX), CX
	MOVQ	CX, m_vdsoPC(BX)
	MOVQ	DX, m_vdsoSP(BX)

CMPQ	R14, m_curg(BX)	// Only switch if on curg.
	JNE	noswitch

MOVQ	m_g0(BX), DX
	MOVQ	(g_sched+gobuf_sp)(DX), SP	// Set SP to g0 stack

noswitch:
	SUBQ	$16, SP		// Space for results
	ANDQ	$~15, SP	// Align for C code

MOVL	$1, DI // CLOCK_MONOTONIC
	LEAQ	0(SP), SI
	MOVQ	runtime·vdsoClockgettimeSym(SB), AX
	CMPQ	AX, $0
	JEQ	fallback
	CALL	AX
ret:
	MOVQ	0(SP), AX	// sec
	MOVQ	8(SP), DX	// nsec
	MOVQ	R12, SP		// Restore real SP
	// Restore vdsoPC, vdsoSP
	// We don't worry about being signaled between the two stores.
	// If we are not in a signal handler, we'll restore vdsoSP to 0,
	// and no one will care about vdsoPC. If we are in a signal handler,
	// we cannot receive another signal.
	MOVQ	8(SP), CX
	MOVQ	CX, m_vdsoSP(BX)
	MOVQ	0(SP), CX
	MOVQ	CX, m_vdsoPC(BX)
	// sec is in AX, nsec in DX
	// return nsec in AX
	IMULQ	$1000000000, AX
	ADDQ	DX, AX
	MOVQ	AX, ret+0(FP)
	RET
fallback:
	MOVQ	$SYS_clock_gettime, AX
	SYSCALL
	JMP	ret

TEXT runtime·rtsigprocmask(SB),NOSPLIT,$0-28
	MOVL	how+0(FP), DI
	MOVQ	new+8(FP), SI
	MOVQ	old+16(FP), DX
	MOVL	size+24(FP), R10
	MOVL	$SYS_rt_sigprocmask, AX
	SYSCALL
	CMPQ	AX, $0xfffffffffffff001
	JLS	2(PC)
	MOVL	$0xf1, 0xf1  // crash
	RET

TEXT runtime·rt_sigaction(SB),NOSPLIT,$0-36
	MOVQ	sig+0(FP), DI
	MOVQ	new+8(FP), SI
	MOVQ	old+16(FP), DX
	MOVQ	size+24(FP), R10
	MOVL	$SYS_rt_sigaction, AX
	SYSCALL
	MOVL	AX, ret+32(FP)
	RET

// Call the function stored in _cgo_sigaction using the GCC calling convention.
TEXT runtime·callCgoSigaction(SB),NOSPLIT,$16
	MOVQ	sig+0(FP), DI
	MOVQ	new+8(FP), SI
	MOVQ	old+16(FP), DX
	MOVQ	_cgo_sigaction(SB), AX
	MOVQ	SP, BX	// callee-saved
	ANDQ	$~15, SP	// alignment as per amd64 psABI
	CALL	AX
	MOVQ	BX, SP
	MOVL	AX, ret+24(FP)
	RET

TEXT runtime·sigfwd(SB),NOSPLIT,$0-32
	MOVQ	fn+0(FP),    AX
	MOVL	sig+8(FP),   DI
	MOVQ	info+16(FP), SI
	MOVQ	ctx+24(FP),  DX
	MOVQ	SP, BX		// callee-saved
	ANDQ	$~15, SP     // alignment for x86_64 ABI
	CALL	AX
	MOVQ	BX, SP
	RET

// Called using C ABI.
TEXT runtime·sigtramp(SB),NOSPLIT|TOPFRAME|NOFRAME,$0
	// Transition from C ABI to Go ABI.
	PUSH_REGS_HOST_TO_ABI0()

// Set up ABIInternal environment: g in R14, cleared X15.
	get_tls(R12)
	MOVQ	g(R12), R14
	PXOR	X15, X15

// Reserve space for spill slots.
	NOP	SP		// disable vet stack checking
	ADJSP   $24

// Call into the Go signal handler
	MOVQ	DI, AX	// sig
	MOVQ	SI, BX	// info
	MOVQ	DX, CX	// ctx
	CALL	·sigtrampgo<ABIInternal>(SB)

ADJSP	$-24

POP_REGS_HOST_TO_ABI0()
	RET

// Called using C ABI.
TEXT runtime·sigprofNonGoWrapper<>(SB),NOSPLIT|NOFRAME,$0
	// Transition from C ABI to Go ABI.
	PUSH_REGS_HOST_TO_ABI0()

// Set up ABIInternal environment: g in R14, cleared X15.
	get_tls(R12)
	MOVQ	g(R12), R14
	PXOR	X15, X15

// Reserve space for spill slots.
	NOP	SP		// disable vet stack checking
	ADJSP   $24

// Call into the Go signal handler
	MOVQ	DI, AX	// sig
	MOVQ	SI, BX	// info
	MOVQ	DX, CX	// ctx
	CALL	·sigprofNonGo<ABIInternal>(SB)

ADJSP	$-24

POP_REGS_HOST_TO_ABI0()
	RET

// Used instead of sigtramp in programs that use cgo.
// Arguments from kernel are in DI, SI, DX.
TEXT runtime·cgoSigtramp(SB),NOSPLIT,$0
	// If no traceback function, do usual sigtramp.
	MOVQ	runtime·cgoTraceback(SB), AX
	TESTQ	AX, AX
	JZ	sigtramp

// If no traceback support function, which means that
	// runtime/cgo was not linked in, do usual sigtramp.
	MOVQ	_cgo_callers(SB), AX
	TESTQ	AX, AX
	JZ	sigtramp

// Figure out if we are currently in a cgo call.
	// If not, just do usual sigtramp.
	get_tls(CX)
	MOVQ	g(CX),AX
	TESTQ	AX, AX
	JZ	sigtrampnog     // g == nil
	MOVQ	g_m(AX), AX
	TESTQ	AX, AX
	JZ	sigtramp        // g.m == nil
	MOVL	m_ncgo(AX), CX
	TESTL	CX, CX
	JZ	sigtramp        // g.m.ncgo == 0
	MOVQ	m_curg(AX), CX
	TESTQ	CX, CX
	JZ	sigtramp        // g.m.curg == nil
	MOVQ	g_syscallsp(CX), CX
	TESTQ	CX, CX
	JZ	sigtramp        // g.m.curg.syscallsp == 0
	MOVQ	m_cgoCallers(AX), R8
	TESTQ	R8, R8
	JZ	sigtramp        // g.m.cgoCallers == nil
	MOVL	m_cgoCallersUse(AX), CX
	TESTL	CX, CX
	JNZ	sigtramp	// g.m.cgoCallersUse != 0

// Jump to a function in runtime/cgo.
	// That function, written in C, will call the user's traceback
	// function with proper unwind info, and will then call back here.
	// The first three arguments, and the fifth, are already in registers.
	// Set the two remaining arguments now.
	MOVQ	runtime·cgoTraceback(SB), CX
	MOVQ	$runtime·sigtramp(SB), R9
	MOVQ	_cgo_callers(SB), AX
	JMP	AX

sigtramp:
	JMP	runtime·sigtramp(SB)

sigtrampnog:
	// Signal arrived on a non-Go thread. If this is SIGPROF, get a
	// stack trace.
	CMPL	DI, $27 // 27 == SIGPROF
	JNZ	sigtramp

// Lock sigprofCallersUse.
	MOVL	$0, AX
	MOVL	$1, CX
	MOVQ	$runtime·sigprofCallersUse(SB), R11
	LOCK
	CMPXCHGL	CX, 0(R11)
	JNZ	sigtramp  // Skip stack trace if already locked.

// Jump to the traceback function in runtime/cgo.
	// It will call back to sigprofNonGo, via sigprofNonGoWrapper, to convert
	// the arguments to the Go calling convention.
	// First three arguments to traceback function are in registers already.
	MOVQ	runtime·cgoTraceback(SB), CX
	MOVQ	$runtime·sigprofCallers(SB), R8
	MOVQ	$runtime·sigprofNonGoWrapper<>(SB), R9
	MOVQ	_cgo_callers(SB), AX
	JMP	AX

// For cgo unwinding to work, this function must look precisely like
// the one in glibc. The glibc source code is:
// https://sourceware.org/git/?p=glibc.git;a=blob;f=sysdeps/unix/sysv/linux/x86_64/libc_sigaction.c;h=afdce87381228f0cf32fa9fa6c8c4efa5179065c#l80
// The code that cares about the precise instructions used is:
// https://gcc.gnu.org/git/?p=gcc.git;a=blob;f=libgcc/config/i386/linux-unwind.h;h=5486223d60272c73d5103b29ae592d2ee998e1cf#l49
//
// For gdb unwinding to work, this function must look precisely like the one in
// glibc and must be named "__restore_rt" or contain the string "sigaction" in
// the name. The gdb source code is:
// https://sourceware.org/git/?p=binutils-gdb.git;a=blob;f=gdb/amd64-linux-tdep.c;h=cbbac1a0c64e1deb8181b9d0ff6404e328e2979d#l178
TEXT runtime·sigreturn__sigaction(SB),NOSPLIT,$0
	MOVQ	$SYS_rt_sigreturn, AX
	SYSCALL
	INT $3	// not reached

TEXT runtime·sysMmap(SB),NOSPLIT,$0
	MOVQ	addr+0(FP), DI
	MOVQ	n+8(FP), SI
	MOVL	prot+16(FP), DX
	MOVL	flags+20(FP), R10
	MOVL	fd+24(FP), R8
	MOVL	off+28(FP), R9

MOVL	$SYS_mmap, AX
	SYSCALL
	CMPQ	AX, $0xfffffffffffff001
	JLS	ok
	NOTQ	AX
	INCQ	AX
	MOVQ	$0, p+32(FP)
	MOVQ	AX, err+40(FP)
	RET
ok:
	MOVQ	AX, p+32(FP)
	MOVQ	$0, err+40(FP)
	RET

// Call the function stored in _cgo_mmap using the GCC calling convention.
// This must be called on the system stack.
TEXT runtime·callCgoMmap(SB),NOSPLIT,$16
	MOVQ	addr+0(FP), DI
	MOVQ	n+8(FP), SI
	MOVL	prot+16(FP), DX
	MOVL	flags+20(FP), CX
	MOVL	fd+24(FP), R8
	MOVL	off+28(FP), R9
	MOVQ	_cgo_mmap(SB), AX
	MOVQ	SP, BX
	ANDQ	$~15, SP	// alignment as per amd64 psABI
	MOVQ	BX, 0(SP)
	CALL	AX
	MOVQ	0(SP), SP
	MOVQ	AX, ret+32(FP)
	RET

TEXT runtime·sysMunmap(SB),NOSPLIT,$0
	MOVQ	addr+0(FP), DI
	MOVQ	n+8(FP), SI
	MOVQ	$SYS_munmap, AX
	SYSCALL
	CMPQ	AX, $0xfffffffffffff001
	JLS	2(PC)
	MOVL	$0xf1, 0xf1  // crash
	RET

// Call the function stored in _cgo_munmap using the GCC calling convention.
// This must be called on the system stack.
TEXT runtime·callCgoMunmap(SB),NOSPLIT,$16-16
	MOVQ	addr+0(FP), DI
	MOVQ	n+8(FP), SI
	MOVQ	_cgo_munmap(SB), AX
	MOVQ	SP, BX
	ANDQ	$~15, SP	// alignment as per amd64 psABI
	MOVQ	BX, 0(SP)
	CALL	AX
	MOVQ	0(SP), SP
	RET

TEXT runtime·madvise(SB),NOSPLIT,$0
	MOVQ	addr+0(FP), DI
	MOVQ	n+8(FP), SI
	MOVL	flags+16(FP), DX
	MOVQ	$SYS_madvise, AX
	SYSCALL
	MOVL	AX, ret+24(FP)
	RET

// int64 futex(int32 *uaddr, int32 op, int32 val,
//	struct timespec *timeout, int32 *uaddr2, int32 val2);
TEXT runtime·futex(SB),NOSPLIT,$0
	MOVQ	addr+0(FP), DI
	MOVL	op+8(FP), SI
	MOVL	val+12(FP), DX
	MOVQ	ts+16(FP), R10
	MOVQ	addr2+24(FP), R8
	MOVL	val3+32(FP), R9
	MOVL	$SYS_futex, AX
	SYSCALL
	MOVL	AX, ret+40(FP)
	RET

// int32 clone(int32 flags, void *stk, M *mp, G *gp, void (*fn)(void));
TEXT runtime·clone(SB),NOSPLIT|NOFRAME,$0
	MOVL	flags+0(FP), DI
	MOVQ	stk+8(FP), SI
	MOVQ	$0, DX
	MOVQ	$0, R10
	MOVQ    $0, R8
	// Copy mp, gp, fn off parent stack for use by child.
	// Careful: Linux system call clobbers CX and R11.
	MOVQ	mp+16(FP), R13
	MOVQ	gp+24(FP), R9
	MOVQ	fn+32(FP), R12
	CMPQ	R13, $0    // m
	JEQ	nog1
	CMPQ	R9, $0    // g
	JEQ	nog1
	LEAQ	m_tls(R13), R8
#ifdef GOOS_android
	// Android stores the TLS offset in runtime·tls_g.
	SUBQ	runtime·tls_g(SB), R8
#else
	ADDQ	$8, R8	// ELF wants to use -8(FS)
#endif
	ORQ 	$0x00080000, DI //add flag CLONE_SETTLS(0x00080000) to call clone
nog1:
	MOVL	$SYS_clone, AX
	SYSCALL

// In parent, return.
	CMPQ	AX, $0
	JEQ	3(PC)
	MOVL	AX, ret+40(FP)
	RET

// In child, on new stack.
	MOVQ	SI, SP

// If g or m are nil, skip Go-related setup.
	CMPQ	R13, $0    // m
	JEQ	nog2
	CMPQ	R9, $0    // g
	JEQ	nog2

// Initialize m->procid to Linux tid
	MOVL	$SYS_gettid, AX
	SYSCALL
	MOVQ	AX, m_procid(R13)

// In child, set up new stack
	get_tls(CX)
	MOVQ	R13, g_m(R9)
	MOVQ	R9, g(CX)
	MOVQ	R9, R14 // set g register
	CALL	runtime·stackcheck(SB)

nog2:
	// Call fn. This is the PC of an ABI0 function.
	CALL	R12

// It shouldn't return. If it does, exit that thread.
	MOVL	$111, DI
	MOVL	$SYS_exit, AX
	SYSCALL
	JMP	-3(PC)	// keep exiting

TEXT runtime·sigaltstack(SB),NOSPLIT,$0
	MOVQ	new+0(FP), DI
	MOVQ	old+8(FP), SI
	MOVQ	$SYS_sigaltstack, AX
	SYSCALL
	CMPQ	AX, $0xfffffffffffff001
	JLS	2(PC)
	MOVL	$0xf1, 0xf1  // crash
	RET

// set tls base to DI
TEXT runtime·settls(SB),NOSPLIT,$32
#ifdef GOOS_android
	// Android stores the TLS offset in runtime·tls_g.
	SUBQ	runtime·tls_g(SB), DI
#else
	ADDQ	$8, DI	// ELF wants to use -8(FS)
#endif
	MOVQ	DI, SI
	MOVQ	$0x1002, DI	// ARCH_SET_FS
	MOVQ	$SYS_arch_prctl, AX
	SYSCALL
	CMPQ	AX, $0xfffffffffffff001
	JLS	2(PC)
	MOVL	$0xf1, 0xf1  // crash
	RET

TEXT runtime·osyield(SB),NOSPLIT,$0
	MOVL	$SYS_sched_yield, AX
	SYSCALL
	RET

TEXT runtime·sched_getaffinity(SB),NOSPLIT,$0
	MOVQ	pid+0(FP), DI
	MOVQ	len+8(FP), SI
	MOVQ	buf+16(FP), DX
	MOVL	$SYS_sched_getaffinity, AX
	SYSCALL
	MOVL	AX, ret+24(FP)
	RET

// int access(const char *name, int mode)
TEXT runtime·access(SB),NOSPLIT,$0
	// This uses faccessat instead of access, because Android O blocks access.
	MOVL	$AT_FDCWD, DI // AT_FDCWD, so this acts like access
	MOVQ	name+0(FP), SI
	MOVL	mode+8(FP), DX
	MOVL	$0, R10
	MOVL	$SYS_faccessat, AX
	SYSCALL
	MOVL	AX, ret+16(FP)
	RET

// int connect(int fd, const struct sockaddr *addr, socklen_t addrlen)
TEXT runtime·connect(SB),NOSPLIT,$0-28
	MOVL	fd+0(FP), DI
	MOVQ	addr+8(FP), SI
	MOVL	len+16(FP), DX
	MOVL	$SYS_connect, AX
	SYSCALL
	MOVL	AX, ret+24(FP)
	RET

// int socket(int domain, int type, int protocol)
TEXT runtime·socket(SB),NOSPLIT,$0-20
	MOVL	domain+0(FP), DI
	MOVL	typ+4(FP), SI
	MOVL	prot+8(FP), DX
	MOVL	$SYS_socket, AX
	SYSCALL
	MOVL	AX, ret+16(FP)
	RET

// func sbrk0() uintptr
TEXT runtime·sbrk0(SB),NOSPLIT,$0-8
	// Implemented as brk(NULL).
	MOVQ	$0, DI
	MOVL	$SYS_brk, AX
	SYSCALL
	MOVQ	AX, ret+0(FP)
	RET

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