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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_s390x.s

// Copyright 2016 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 system stuff for Linux s390x; see
// /usr/include/asm/unistd.h for the syscall number definitions.

#include "go_asm.h"
#include "go_tls.h"
#include "textflag.h"

#define SYS_exit                  1
#define SYS_read                  3
#define SYS_write                 4
#define SYS_open                  5
#define SYS_close                 6
#define SYS_getpid               20
#define SYS_kill                 37
#define SYS_brk			 45
#define SYS_mmap                 90
#define SYS_munmap               91
#define SYS_setitimer           104
#define SYS_clone               120
#define SYS_sched_yield         158
#define SYS_nanosleep           162
#define SYS_rt_sigreturn        173
#define SYS_rt_sigaction        174
#define SYS_rt_sigprocmask      175
#define SYS_sigaltstack         186
#define SYS_madvise             219
#define SYS_mincore             218
#define SYS_gettid              236
#define SYS_futex               238
#define SYS_sched_getaffinity   240
#define SYS_tgkill              241
#define SYS_exit_group          248
#define SYS_timer_create        254
#define SYS_timer_settime       255
#define SYS_timer_delete        258
#define SYS_clock_gettime       260
#define SYS_pipe2		325

TEXT runtime·exit(SB),NOSPLIT|NOFRAME,$0-4
	MOVW	code+0(FP), R2
	MOVW	$SYS_exit_group, R1
	SYSCALL
	RET

// func exitThread(wait *atomic.Uint32)
TEXT runtime·exitThread(SB),NOSPLIT|NOFRAME,$0-8
	MOVD	wait+0(FP), R1
	// We're done using the stack.
	MOVW	$0, R2
	MOVW	R2, (R1)
	MOVW	$0, R2	// exit code
	MOVW	$SYS_exit, R1
	SYSCALL
	JMP	0(PC)

TEXT runtime·open(SB),NOSPLIT|NOFRAME,$0-20
	MOVD	name+0(FP), R2
	MOVW	mode+8(FP), R3
	MOVW	perm+12(FP), R4
	MOVW	$SYS_open, R1
	SYSCALL
	MOVD	$-4095, R3
	CMPUBLT	R2, R3, 2(PC)
	MOVW	$-1, R2
	MOVW	R2, ret+16(FP)
	RET

TEXT runtime·closefd(SB),NOSPLIT|NOFRAME,$0-12
	MOVW	fd+0(FP), R2
	MOVW	$SYS_close, R1
	SYSCALL
	MOVD	$-4095, R3
	CMPUBLT	R2, R3, 2(PC)
	MOVW	$-1, R2
	MOVW	R2, ret+8(FP)
	RET

TEXT runtime·write1(SB),NOSPLIT|NOFRAME,$0-28
	MOVD	fd+0(FP), R2
	MOVD	p+8(FP), R3
	MOVW	n+16(FP), R4
	MOVW	$SYS_write, R1
	SYSCALL
	MOVW	R2, ret+24(FP)
	RET

TEXT runtime·read(SB),NOSPLIT|NOFRAME,$0-28
	MOVW	fd+0(FP), R2
	MOVD	p+8(FP), R3
	MOVW	n+16(FP), R4
	MOVW	$SYS_read, R1
	SYSCALL
	MOVW	R2, ret+24(FP)
	RET

// func pipe2() (r, w int32, errno int32)
TEXT runtime·pipe2(SB),NOSPLIT|NOFRAME,$0-20
	MOVD	$r+8(FP), R2
	MOVW	flags+0(FP), R3
	MOVW	$SYS_pipe2, R1
	SYSCALL
	MOVW	R2, errno+16(FP)
	RET

TEXT runtime·usleep(SB),NOSPLIT,$16-4
	MOVW	usec+0(FP), R2
	MOVD	R2, R4
	MOVW	$1000000, R3
	DIVD	R3, R2
	MOVD	R2, 8(R15)
	MOVW	$1000, R3
	MULLD	R2, R3
	SUB	R3, R4
	MOVD	R4, 16(R15)

// nanosleep(&ts, 0)
	ADD	$8, R15, R2
	MOVW	$0, R3
	MOVW	$SYS_nanosleep, R1
	SYSCALL
	RET

TEXT runtime·gettid(SB),NOSPLIT,$0-4
	MOVW	$SYS_gettid, R1
	SYSCALL
	MOVW	R2, ret+0(FP)
	RET

TEXT runtime·raise(SB),NOSPLIT|NOFRAME,$0
	MOVW	$SYS_getpid, R1
	SYSCALL
	MOVW	R2, R10
	MOVW	$SYS_gettid, R1
	SYSCALL
	MOVW	R2, R3	// arg 2 tid
	MOVW	R10, R2	// arg 1 pid
	MOVW	sig+0(FP), R4	// arg 2
	MOVW	$SYS_tgkill, R1
	SYSCALL
	RET

TEXT runtime·raiseproc(SB),NOSPLIT|NOFRAME,$0
	MOVW	$SYS_getpid, R1
	SYSCALL
	MOVW	R2, R2	// arg 1 pid
	MOVW	sig+0(FP), R3	// arg 2
	MOVW	$SYS_kill, R1
	SYSCALL
	RET

TEXT ·getpid(SB),NOSPLIT|NOFRAME,$0-8
	MOVW	$SYS_getpid, R1
	SYSCALL
	MOVD	R2, ret+0(FP)
	RET

TEXT ·tgkill(SB),NOSPLIT|NOFRAME,$0-24
	MOVD	tgid+0(FP), R2
	MOVD	tid+8(FP), R3
	MOVD	sig+16(FP), R4
	MOVW	$SYS_tgkill, R1
	SYSCALL
	RET

TEXT runtime·setitimer(SB),NOSPLIT|NOFRAME,$0-24
	MOVW	mode+0(FP), R2
	MOVD	new+8(FP), R3
	MOVD	old+16(FP), R4
	MOVW	$SYS_setitimer, R1
	SYSCALL
	RET

TEXT runtime·timer_create(SB),NOSPLIT|NOFRAME,$0-28
	MOVW	clockid+0(FP), R2
	MOVD	sevp+8(FP), R3
	MOVD	timerid+16(FP), R4
	MOVW	$SYS_timer_create, R1
	SYSCALL
	MOVW	R2, ret+24(FP)
	RET

TEXT runtime·timer_settime(SB),NOSPLIT|NOFRAME,$0-28
	MOVW	timerid+0(FP), R2
	MOVW	flags+4(FP), R3
	MOVD	new+8(FP), R4
	MOVD	old+16(FP), R5
	MOVW	$SYS_timer_settime, R1
	SYSCALL
	MOVW	R2, ret+24(FP)
	RET

TEXT runtime·timer_delete(SB),NOSPLIT|NOFRAME,$0-12
	MOVW	timerid+0(FP), R2
	MOVW	$SYS_timer_delete, R1
	SYSCALL
	MOVW	R2, ret+8(FP)
	RET

TEXT runtime·mincore(SB),NOSPLIT|NOFRAME,$0-28
	MOVD	addr+0(FP), R2
	MOVD	n+8(FP), R3
	MOVD	dst+16(FP), R4
	MOVW	$SYS_mincore, R1
	SYSCALL
	MOVW	R2, ret+24(FP)
	RET

// func walltime() (sec int64, nsec int32)
TEXT runtime·walltime(SB),NOSPLIT,$32-12
	MOVW	$0, R2			// CLOCK_REALTIME
	MOVD	R15, R7			// Backup stack pointer

MOVD	g_m(g), R6		//m

MOVD	runtime·vdsoClockgettimeSym(SB), R9	// Check for VDSO availability
	CMPBEQ	R9, $0, fallback

MOVD	m_vdsoPC(R6), R4
	MOVD	R4, 16(R15)
	MOVD	m_vdsoSP(R6), R4
	MOVD	R4, 24(R15)

MOVD	R14, R8 		// Backup return address
	MOVD	$sec+0(FP), R4 	// return parameter caller

MOVD	R8, m_vdsoPC(R6)
	MOVD	R4, m_vdsoSP(R6)

MOVD	m_curg(R6), R5
	CMP		g, R5
	BNE		noswitch

MOVD	m_g0(R6), R4
	MOVD	(g_sched+gobuf_sp)(R4), R15	// Set SP to g0 stack

noswitch:
	SUB		$16, R15		// reserve 2x 8 bytes for parameters
	MOVD	$~7, R4			// align to 8 bytes because of gcc ABI
	AND		R4, R15
	MOVD	R15, R3			// R15 needs to be in R3 as expected by kernel_clock_gettime

MOVB	runtime·iscgo(SB),R12
	CMPBNE	R12, $0, nosaveg

MOVD	m_gsignal(R6), R12	// g.m.gsignal
	CMPBEQ	R12, $0, nosaveg

CMPBEQ	g, R12, nosaveg
	MOVD	(g_stack+stack_lo)(R12), R12 // g.m.gsignal.stack.lo
	MOVD	g, (R12)

BL	R9 // to vdso lookup

MOVD	$0, (R12)

JMP	finish

nosaveg:
	BL	R9					// to vdso lookup

finish:
	MOVD	0(R15), R3		// sec
	MOVD	8(R15), R5		// nsec
	MOVD	R7, R15			// Restore 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.
	MOVD	24(R15), R12
	MOVD	R12, m_vdsoSP(R6)
	MOVD	16(R15), R12
	MOVD	R12, m_vdsoPC(R6)

return:
	// sec is in R3, nsec in R5
	// return nsec in R3
	MOVD	R3, sec+0(FP)
	MOVW	R5, nsec+8(FP)
	RET

// Syscall fallback
fallback:
	MOVD	$tp-16(SP), R3
	MOVW	$SYS_clock_gettime, R1
	SYSCALL
	LMG		tp-16(SP), R2, R3
	// sec is in R2, nsec in R3
	MOVD	R2, sec+0(FP)
	MOVW	R3, nsec+8(FP)
	RET

TEXT runtime·nanotime1(SB),NOSPLIT,$32-8
	MOVW	$1, R2			// CLOCK_MONOTONIC

MOVD	R15, R7			// Backup stack pointer

MOVD	g_m(g), R6		//m

MOVD	runtime·vdsoClockgettimeSym(SB), R9	// Check for VDSO availability
	CMPBEQ	R9, $0, fallback

MOVD	m_vdsoPC(R6), R4
	MOVD	R4, 16(R15)
	MOVD	m_vdsoSP(R6), R4
	MOVD	R4, 24(R15)

MOVD	R14, R8			// Backup return address
	MOVD	$ret+0(FP), R4	// caller's SP

MOVD	R8, m_vdsoPC(R6)
	MOVD	R4, m_vdsoSP(R6)

MOVD	m_curg(R6), R5
	CMP		g, R5
	BNE		noswitch

MOVD	m_g0(R6), R4
	MOVD	(g_sched+gobuf_sp)(R4), R15	// Set SP to g0 stack

MOVB	runtime·iscgo(SB),R12
	CMPBNE	R12, $0, nosaveg

MOVD	m_gsignal(R6), R12	// g.m.gsignal
	CMPBEQ	R12, $0, nosaveg

CMPBEQ	g, R12, nosaveg
	MOVD	(g_stack+stack_lo)(R12), R12	// g.m.gsignal.stack.lo
	MOVD	g, (R12)

BL	R9 					// to vdso lookup

MOVD $0, (R12)

JMP	finish

nosaveg:
	BL	R9					// to vdso lookup

finish:
	MOVD	0(R15), R3		// sec
	MOVD	8(R15), R5		// nsec
	MOVD	R7, R15			// Restore SP

MOVD	24(R15), R12
	MOVD	R12, m_vdsoSP(R6)
	MOVD	16(R15), R12
	MOVD	R12, m_vdsoPC(R6)

return:
	// sec is in R3, nsec in R5
	// return nsec in R3
	MULLD	$1000000000, R3
	ADD		R5, R3
	MOVD	R3, ret+0(FP)
	RET

// Syscall fallback
fallback:
	MOVD	$tp-16(SP), R3
	MOVD	$SYS_clock_gettime, R1
	SYSCALL
	LMG		tp-16(SP), R2, R3
	MOVD	R3, R5
	MOVD	R2, R3
	JMP	return

TEXT runtime·rtsigprocmask(SB),NOSPLIT|NOFRAME,$0-28
	MOVW	how+0(FP), R2
	MOVD	new+8(FP), R3
	MOVD	old+16(FP), R4
	MOVW	size+24(FP), R5
	MOVW	$SYS_rt_sigprocmask, R1
	SYSCALL
	MOVD	$-4095, R3
	CMPUBLT	R2, R3, 2(PC)
	MOVD	R0, 0(R0) // crash
	RET

TEXT runtime·rt_sigaction(SB),NOSPLIT|NOFRAME,$0-36
	MOVD	sig+0(FP), R2
	MOVD	new+8(FP), R3
	MOVD	old+16(FP), R4
	MOVD	size+24(FP), R5
	MOVW	$SYS_rt_sigaction, R1
	SYSCALL
	MOVW	R2, ret+32(FP)
	RET

TEXT runtime·sigfwd(SB),NOSPLIT,$0-32
	MOVW	sig+8(FP), R2
	MOVD	info+16(FP), R3
	MOVD	ctx+24(FP), R4
	MOVD	fn+0(FP), R5
	BL	R5
	RET

TEXT runtime·sigtramp(SB),NOSPLIT|TOPFRAME,$64
	// initialize essential registers (just in case)
	XOR	R0, R0

// this might be called in external code context,
	// where g is not set.
	MOVB	runtime·iscgo(SB), R6
	CMPBEQ	R6, $0, 2(PC)
	BL	runtime·load_g(SB)

MOVW	R2, 8(R15)
	MOVD	R3, 16(R15)
	MOVD	R4, 24(R15)
	MOVD	$runtime·sigtrampgo(SB), R5
	BL	R5
	RET

TEXT runtime·cgoSigtramp(SB),NOSPLIT,$0
	BR	runtime·sigtramp(SB)

// func mmap(addr unsafe.Pointer, n uintptr, prot, flags, fd int32, off uint32) unsafe.Pointer
TEXT runtime·mmap(SB),NOSPLIT,$48-48
	MOVD	addr+0(FP), R2
	MOVD	n+8(FP), R3
	MOVW	prot+16(FP), R4
	MOVW	flags+20(FP), R5
	MOVW	fd+24(FP), R6
	MOVWZ	off+28(FP), R7

// s390x uses old_mmap, so the arguments need to be placed into
	// a struct and a pointer to the struct passed to mmap.
	MOVD	R2, addr-48(SP)
	MOVD	R3, n-40(SP)
	MOVD	R4, prot-32(SP)
	MOVD	R5, flags-24(SP)
	MOVD	R6, fd-16(SP)
	MOVD	R7, off-8(SP)

MOVD	$addr-48(SP), R2
	MOVW	$SYS_mmap, R1
	SYSCALL
	MOVD	$-4095, R3
	CMPUBLT	R2, R3, ok
	NEG	R2
	MOVD	$0, p+32(FP)
	MOVD	R2, err+40(FP)
	RET
ok:
	MOVD	R2, p+32(FP)
	MOVD	$0, err+40(FP)
	RET

TEXT runtime·munmap(SB),NOSPLIT|NOFRAME,$0
	MOVD	addr+0(FP), R2
	MOVD	n+8(FP), R3
	MOVW	$SYS_munmap, R1
	SYSCALL
	MOVD	$-4095, R3
	CMPUBLT	R2, R3, 2(PC)
	MOVD	R0, 0(R0) // crash
	RET

TEXT runtime·madvise(SB),NOSPLIT|NOFRAME,$0
	MOVD	addr+0(FP), R2
	MOVD	n+8(FP), R3
	MOVW	flags+16(FP), R4
	MOVW	$SYS_madvise, R1
	SYSCALL
	MOVW	R2, ret+24(FP)
	RET

// int64 futex(int32 *uaddr, int32 op, int32 val,
//	struct timespec *timeout, int32 *uaddr2, int32 val2);
TEXT runtime·futex(SB),NOSPLIT|NOFRAME,$0
	MOVD	addr+0(FP), R2
	MOVW	op+8(FP), R3
	MOVW	val+12(FP), R4
	MOVD	ts+16(FP), R5
	MOVD	addr2+24(FP), R6
	MOVW	val3+32(FP),  R7
	MOVW	$SYS_futex, R1
	SYSCALL
	MOVW	R2, ret+40(FP)
	RET

// int32 clone(int32 flags, void *stk, M *mp, G *gp, void (*fn)(void));
TEXT runtime·clone(SB),NOSPLIT|NOFRAME,$0
	MOVW	flags+0(FP), R3
	MOVD	stk+8(FP), R2

// Copy mp, gp, fn off parent stack for use by child.
	// Careful: Linux system call clobbers ???.
	MOVD	mp+16(FP), R7
	MOVD	gp+24(FP), R8
	MOVD	fn+32(FP), R9

MOVD	R7, -8(R2)
	MOVD	R8, -16(R2)
	MOVD	R9, -24(R2)
	MOVD	$1234, R7
	MOVD	R7, -32(R2)

SYSCALL $SYS_clone

// In parent, return.
	CMPBEQ	R2, $0, 3(PC)
	MOVW	R2, ret+40(FP)
	RET

// In child, on new stack.
	// initialize essential registers
	XOR	R0, R0
	MOVD	-32(R15), R7
	CMP	R7, $1234
	BEQ	2(PC)
	MOVD	R0, 0(R0)

// Initialize m->procid to Linux tid
	SYSCALL $SYS_gettid

MOVD	-24(R15), R9        // fn
	MOVD	-16(R15), R8        // g
	MOVD	-8(R15), R7         // m

CMPBEQ	R7, $0, nog
	CMP	R8, $0
	BEQ	nog

MOVD	R2, m_procid(R7)

// In child, set up new stack
	MOVD	R7, g_m(R8)
	MOVD	R8, g
	//CALL	runtime·stackcheck(SB)

nog:
	// Call fn
	BL	R9

// It shouldn't return.	 If it does, exit that thread.
	MOVW	$111, R2
	MOVW	$SYS_exit, R1
	SYSCALL
	BR	-2(PC)	// keep exiting

TEXT runtime·sigaltstack(SB),NOSPLIT|NOFRAME,$0
	MOVD	new+0(FP), R2
	MOVD	old+8(FP), R3
	MOVW	$SYS_sigaltstack, R1
	SYSCALL
	MOVD	$-4095, R3
	CMPUBLT	R2, R3, 2(PC)
	MOVD	R0, 0(R0) // crash
	RET

TEXT runtime·osyield(SB),NOSPLIT|NOFRAME,$0
	MOVW	$SYS_sched_yield, R1
	SYSCALL
	RET

TEXT runtime·sched_getaffinity(SB),NOSPLIT|NOFRAME,$0
	MOVD	pid+0(FP), R2
	MOVD	len+8(FP), R3
	MOVD	buf+16(FP), R4
	MOVW	$SYS_sched_getaffinity, R1
	SYSCALL
	MOVW	R2, ret+24(FP)
	RET

// func sbrk0() uintptr
TEXT runtime·sbrk0(SB),NOSPLIT|NOFRAME,$0-8
	// Implemented as brk(NULL).
	MOVD	$0, R2
	MOVW	$SYS_brk, R1
	SYSCALL
	MOVD	R2, ret+0(FP)
	RET

TEXT runtime·access(SB),$0-20
	MOVD	$0, 2(R0) // unimplemented, only needed for android; declared in stubs_linux.go
	MOVW	R0, ret+16(FP)
	RET

TEXT runtime·connect(SB),$0-28
	MOVD	$0, 2(R0) // unimplemented, only needed for android; declared in stubs_linux.go
	MOVW	R0, ret+24(FP)
	RET

TEXT runtime·socket(SB),$0-20
	MOVD	$0, 2(R0) // unimplemented, only needed for android; declared in stubs_linux.go
	MOVW	R0, ret+16(FP)
	RET

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