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

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

Editing: sys_darwin_arm64.s

// Copyright 2015 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 ARM64, Darwin
// System calls are implemented in libSystem, this file contains
// trampolines that convert from Go to C calling convention.

#include "go_asm.h"
#include "go_tls.h"
#include "textflag.h"
#include "cgo/abi_arm64.h"

#define CLOCK_REALTIME		0

TEXT notok<>(SB),NOSPLIT,$0
	MOVD	$0, R8
	MOVD	R8, (R8)
	B	0(PC)

TEXT runtime·open_trampoline(SB),NOSPLIT,$0
	SUB	$16, RSP
	MOVW	8(R0), R1	// arg 2 flags
	MOVW	12(R0), R2	// arg 3 mode
	MOVW	R2, (RSP)	// arg 3 is variadic, pass on stack
	MOVD	0(R0), R0	// arg 1 pathname
	BL	libc_open(SB)
	ADD	$16, RSP
	RET

TEXT runtime·close_trampoline(SB),NOSPLIT,$0
	MOVW	0(R0), R0	// arg 1 fd
	BL	libc_close(SB)
	RET

TEXT runtime·write_trampoline(SB),NOSPLIT,$0
	MOVD	8(R0), R1	// arg 2 buf
	MOVW	16(R0), R2	// arg 3 count
	MOVW	0(R0), R0	// arg 1 fd
	BL	libc_write(SB)
	MOVD	$-1, R1
	CMP	R0, R1
	BNE	noerr
	BL	libc_error(SB)
	MOVW	(R0), R0
	NEG	R0, R0		// caller expects negative errno value
noerr:
	RET

TEXT runtime·read_trampoline(SB),NOSPLIT,$0
	MOVD	8(R0), R1	// arg 2 buf
	MOVW	16(R0), R2	// arg 3 count
	MOVW	0(R0), R0	// arg 1 fd
	BL	libc_read(SB)
	MOVD	$-1, R1
	CMP	R0, R1
	BNE	noerr
	BL	libc_error(SB)
	MOVW	(R0), R0
	NEG	R0, R0		// caller expects negative errno value
noerr:
	RET

TEXT runtime·pipe_trampoline(SB),NOSPLIT,$0
	BL	libc_pipe(SB)	// pointer already in R0
	CMP	$0, R0
	BEQ	3(PC)
	BL	libc_error(SB)	// return negative errno value
	NEG	R0, R0
	RET

TEXT runtime·exit_trampoline(SB),NOSPLIT|NOFRAME,$0
	MOVW	0(R0), R0
	BL	libc_exit(SB)
	MOVD	$1234, R0
	MOVD	$1002, R1
	MOVD	R0, (R1)	// fail hard

TEXT runtime·raiseproc_trampoline(SB),NOSPLIT,$0
	MOVD	0(R0), R19	// signal
	BL	libc_getpid(SB)
	// arg 1 pid already in R0 from getpid
	MOVD	R19, R1	// arg 2 signal
	BL	libc_kill(SB)
	RET

TEXT runtime·mmap_trampoline(SB),NOSPLIT,$0
	MOVD	R0, R19
	MOVD	0(R19), R0	// arg 1 addr
	MOVD	8(R19), R1	// arg 2 len
	MOVW	16(R19), R2	// arg 3 prot
	MOVW	20(R19), R3	// arg 4 flags
	MOVW	24(R19), R4	// arg 5 fd
	MOVW	28(R19), R5	// arg 6 off
	BL	libc_mmap(SB)
	MOVD	$0, R1
	MOVD	$-1, R2
	CMP	R0, R2
	BNE	ok
	BL	libc_error(SB)
	MOVW	(R0), R1
	MOVD	$0, R0
ok:
	MOVD	R0, 32(R19) // ret 1 p
	MOVD	R1, 40(R19)	// ret 2 err
	RET

TEXT runtime·munmap_trampoline(SB),NOSPLIT,$0
	MOVD	8(R0), R1	// arg 2 len
	MOVD	0(R0), R0	// arg 1 addr
	BL	libc_munmap(SB)
	CMP	$0, R0
	BEQ	2(PC)
	BL	notok<>(SB)
	RET

TEXT runtime·madvise_trampoline(SB),NOSPLIT,$0
	MOVD	8(R0), R1	// arg 2 len
	MOVW	16(R0), R2	// arg 3 advice
	MOVD	0(R0), R0	// arg 1 addr
	BL	libc_madvise(SB)
	RET

TEXT runtime·mlock_trampoline(SB),NOSPLIT,$0
	MOVD	8(R0), R1	// arg 2 len
	MOVD	0(R0), R0	// arg 1 addr
	BL	libc_mlock(SB)
	RET

TEXT runtime·setitimer_trampoline(SB),NOSPLIT,$0
	MOVD	8(R0), R1	// arg 2 new
	MOVD	16(R0), R2	// arg 3 old
	MOVW	0(R0), R0	// arg 1 which
	BL	libc_setitimer(SB)
	RET

TEXT runtime·walltime_trampoline(SB),NOSPLIT,$0
	MOVD	R0, R1			// arg 2 timespec
	MOVW	$CLOCK_REALTIME, R0 	// arg 1 clock_id
	BL	libc_clock_gettime(SB)
	RET

GLOBL timebase<>(SB),NOPTR,$(machTimebaseInfo__size)

TEXT runtime·nanotime_trampoline(SB),NOSPLIT,$40
	MOVD	R0, R19
	BL	libc_mach_absolute_time(SB)
	MOVD	R0, 0(R19)
	MOVW	timebase<>+machTimebaseInfo_numer(SB), R20
	MOVD	$timebase<>+machTimebaseInfo_denom(SB), R21
	LDARW	(R21), R21	// atomic read
	CMP	$0, R21
	BNE	initialized

SUB	$(machTimebaseInfo__size+15)/16*16, RSP
	MOVD	RSP, R0
	BL	libc_mach_timebase_info(SB)
	MOVW	machTimebaseInfo_numer(RSP), R20
	MOVW	machTimebaseInfo_denom(RSP), R21
	ADD	$(machTimebaseInfo__size+15)/16*16, RSP

MOVW	R20, timebase<>+machTimebaseInfo_numer(SB)
	MOVD	$timebase<>+machTimebaseInfo_denom(SB), R22
	STLRW	R21, (R22)	// atomic write

initialized:
	MOVW	R20, 8(R19)
	MOVW	R21, 12(R19)
	RET

TEXT runtime·sigfwd(SB),NOSPLIT,$0-32
	MOVW	sig+8(FP), R0
	MOVD	info+16(FP), R1
	MOVD	ctx+24(FP), R2
	MOVD	fn+0(FP), R11
	BL	(R11)
	RET

TEXT runtime·sigtramp(SB),NOSPLIT|TOPFRAME,$176
	// Save callee-save registers in the case of signal forwarding.
	// Please refer to https://golang.org/issue/31827 .
	SAVE_R19_TO_R28(8*4)
	SAVE_F8_TO_F15(8*14)

// Save arguments.
	MOVW	R0, (8*1)(RSP)	// sig
	MOVD	R1, (8*2)(RSP)	// info
	MOVD	R2, (8*3)(RSP)	// ctx

// this might be called in external code context,
	// where g is not set.
	BL	runtime·load_g(SB)

#ifdef GOOS_ios
	MOVD	RSP, R6
	CMP	$0, g
	BEQ	nog
	// iOS always use the main stack to run the signal handler.
	// We need to switch to gsignal ourselves.
	MOVD	g_m(g), R11
	MOVD	m_gsignal(R11), R5
	MOVD	(g_stack+stack_hi)(R5), R6

nog:
	// Restore arguments.
	MOVW	(8*1)(RSP), R0
	MOVD	(8*2)(RSP), R1
	MOVD	(8*3)(RSP), R2

// Reserve space for args and the stack pointer on the
	// gsignal stack.
	SUB	$48, R6
	// Save stack pointer.
	MOVD	RSP, R4
	MOVD	R4, (8*4)(R6)
	// Switch to gsignal stack.
	MOVD	R6, RSP

// Save arguments.
	MOVW	R0, (8*1)(RSP)
	MOVD	R1, (8*2)(RSP)
	MOVD	R2, (8*3)(RSP)
#endif

// Call sigtrampgo.
	MOVD	$runtime·sigtrampgo(SB), R11
	BL	(R11)

#ifdef GOOS_ios
	// Switch to old stack.
	MOVD	(8*4)(RSP), R5
	MOVD	R5, RSP
#endif

// Restore callee-save registers.
	RESTORE_R19_TO_R28(8*4)
	RESTORE_F8_TO_F15(8*14)

RET

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

TEXT runtime·sigprocmask_trampoline(SB),NOSPLIT,$0
	MOVD	8(R0), R1	// arg 2 new
	MOVD	16(R0), R2	// arg 3 old
	MOVW	0(R0), R0	// arg 1 how
	BL	libc_pthread_sigmask(SB)
	CMP	$0, R0
	BEQ	2(PC)
	BL	notok<>(SB)
	RET

TEXT runtime·sigaction_trampoline(SB),NOSPLIT,$0
	MOVD	8(R0), R1	// arg 2 new
	MOVD	16(R0), R2	// arg 3 old
	MOVW	0(R0), R0	// arg 1 how
	BL	libc_sigaction(SB)
	CMP	$0, R0
	BEQ	2(PC)
	BL	notok<>(SB)
	RET

TEXT runtime·usleep_trampoline(SB),NOSPLIT,$0
	MOVW	0(R0), R0	// arg 1 usec
	BL	libc_usleep(SB)
	RET

TEXT runtime·sysctl_trampoline(SB),NOSPLIT,$0
	MOVW	8(R0), R1	// arg 2 miblen
	MOVD	16(R0), R2	// arg 3 oldp
	MOVD	24(R0), R3	// arg 4 oldlenp
	MOVD	32(R0), R4	// arg 5 newp
	MOVD	40(R0), R5	// arg 6 newlen
	MOVD	0(R0), R0	// arg 1 mib
	BL	libc_sysctl(SB)
	RET

TEXT runtime·sysctlbyname_trampoline(SB),NOSPLIT,$0
	MOVD	8(R0), R1	// arg 2 oldp
	MOVD	16(R0), R2	// arg 3 oldlenp
	MOVD	24(R0), R3	// arg 4 newp
	MOVD	32(R0), R4	// arg 5 newlen
	MOVD	0(R0), R0	// arg 1 name
	BL	libc_sysctlbyname(SB)
	RET

TEXT runtime·kqueue_trampoline(SB),NOSPLIT,$0
	BL	libc_kqueue(SB)
	RET

TEXT runtime·kevent_trampoline(SB),NOSPLIT,$0
	MOVD	8(R0), R1	// arg 2 keventt
	MOVW	16(R0), R2	// arg 3 nch
	MOVD	24(R0), R3	// arg 4 ev
	MOVW	32(R0), R4	// arg 5 nev
	MOVD	40(R0), R5	// arg 6 ts
	MOVW	0(R0), R0	// arg 1 kq
	BL	libc_kevent(SB)
	MOVD	$-1, R2
	CMP	R0, R2
	BNE	ok
	BL	libc_error(SB)
	MOVW	(R0), R0	// errno
	NEG	R0, R0	// caller wants it as a negative error code
ok:
	RET

TEXT runtime·fcntl_trampoline(SB),NOSPLIT,$0
	SUB	$16, RSP
	MOVW	4(R0), R1	// arg 2 cmd
	MOVW	8(R0), R2	// arg 3 arg
	MOVW	R2, (RSP)	// arg 3 is variadic, pass on stack
	MOVW	0(R0), R0	// arg 1 fd
	BL	libc_fcntl(SB)
	ADD	$16, RSP
	RET

TEXT runtime·sigaltstack_trampoline(SB),NOSPLIT,$0
#ifdef GOOS_ios
	// sigaltstack on iOS is not supported and will always
	// run the signal handler on the main stack, so our sigtramp has
	// to do the stack switch ourselves.
	MOVW	$43, R0
	BL	libc_exit(SB)
#else
	MOVD	8(R0), R1		// arg 2 old
	MOVD	0(R0), R0		// arg 1 new
	CALL	libc_sigaltstack(SB)
	CBZ	R0, 2(PC)
	BL	notok<>(SB)
#endif
	RET

// Thread related functions

// mstart_stub is the first function executed on a new thread started by pthread_create.
// It just does some low-level setup and then calls mstart.
// Note: called with the C calling convention.
TEXT runtime·mstart_stub(SB),NOSPLIT,$160
	// R0 points to the m.
	// We are already on m's g0 stack.

// Save callee-save registers.
	SAVE_R19_TO_R28(8)
	SAVE_F8_TO_F15(88)

MOVD	m_g0(R0), g
	BL	·save_g(SB)

BL	runtime·mstart(SB)

// Restore callee-save registers.
	RESTORE_R19_TO_R28(8)
	RESTORE_F8_TO_F15(88)

// Go is all done with this OS thread.
	// Tell pthread everything is ok (we never join with this thread, so
	// the value here doesn't really matter).
	MOVD	$0, R0

RET

TEXT runtime·pthread_attr_init_trampoline(SB),NOSPLIT,$0
	MOVD	0(R0), R0	// arg 1 attr
	BL	libc_pthread_attr_init(SB)
	RET

TEXT runtime·pthread_attr_getstacksize_trampoline(SB),NOSPLIT,$0
	MOVD	8(R0), R1	// arg 2 size
	MOVD	0(R0), R0	// arg 1 attr
	BL	libc_pthread_attr_getstacksize(SB)
	RET

TEXT runtime·pthread_attr_setdetachstate_trampoline(SB),NOSPLIT,$0
	MOVD	8(R0), R1	// arg 2 state
	MOVD	0(R0), R0	// arg 1 attr
	BL	libc_pthread_attr_setdetachstate(SB)
	RET

TEXT runtime·pthread_create_trampoline(SB),NOSPLIT,$0
	SUB	$16, RSP
	MOVD	0(R0), R1	// arg 2 state
	MOVD	8(R0), R2	// arg 3 start
	MOVD	16(R0), R3	// arg 4 arg
	MOVD	RSP, R0 	// arg 1 &threadid (which we throw away)
	BL	libc_pthread_create(SB)
	ADD	$16, RSP
	RET

TEXT runtime·raise_trampoline(SB),NOSPLIT,$0
	MOVW	0(R0), R0	// arg 1 sig
	BL	libc_raise(SB)
	RET

TEXT runtime·pthread_mutex_init_trampoline(SB),NOSPLIT,$0
	MOVD	8(R0), R1	// arg 2 attr
	MOVD	0(R0), R0	// arg 1 mutex
	BL	libc_pthread_mutex_init(SB)
	RET

TEXT runtime·pthread_mutex_lock_trampoline(SB),NOSPLIT,$0
	MOVD	0(R0), R0	// arg 1 mutex
	BL	libc_pthread_mutex_lock(SB)
	RET

TEXT runtime·pthread_mutex_unlock_trampoline(SB),NOSPLIT,$0
	MOVD	0(R0), R0	// arg 1 mutex
	BL	libc_pthread_mutex_unlock(SB)
	RET

TEXT runtime·pthread_cond_init_trampoline(SB),NOSPLIT,$0
	MOVD	8(R0), R1	// arg 2 attr
	MOVD	0(R0), R0	// arg 1 cond
	BL	libc_pthread_cond_init(SB)
	RET

TEXT runtime·pthread_cond_wait_trampoline(SB),NOSPLIT,$0
	MOVD	8(R0), R1	// arg 2 mutex
	MOVD	0(R0), R0	// arg 1 cond
	BL	libc_pthread_cond_wait(SB)
	RET

TEXT runtime·pthread_cond_timedwait_relative_np_trampoline(SB),NOSPLIT,$0
	MOVD	8(R0), R1	// arg 2 mutex
	MOVD	16(R0), R2	// arg 3 timeout
	MOVD	0(R0), R0	// arg 1 cond
	BL	libc_pthread_cond_timedwait_relative_np(SB)
	RET

TEXT runtime·pthread_cond_signal_trampoline(SB),NOSPLIT,$0
	MOVD	0(R0), R0	// arg 1 cond
	BL	libc_pthread_cond_signal(SB)
	RET

TEXT runtime·pthread_self_trampoline(SB),NOSPLIT,$0
	MOVD	R0, R19		// R19 is callee-save
	BL	libc_pthread_self(SB)
	MOVD	R0, 0(R19)	// return value
	RET

TEXT runtime·pthread_kill_trampoline(SB),NOSPLIT,$0
	MOVD	8(R0), R1	// arg 2 sig
	MOVD	0(R0), R0	// arg 1 thread
	BL	libc_pthread_kill(SB)
	RET

TEXT runtime·pthread_key_create_trampoline(SB),NOSPLIT,$0
	MOVD	8(R0), R1	// arg 2 destructor
	MOVD	0(R0), R0	// arg 1 *key
	BL	libc_pthread_key_create(SB)
	RET

TEXT runtime·pthread_setspecific_trampoline(SB),NOSPLIT,$0
	MOVD	8(R0), R1	// arg 2 value
	MOVD	0(R0), R0	// arg 1 key
	BL	libc_pthread_setspecific(SB)
	RET

// syscall calls a function in libc on behalf of the syscall package.
// syscall takes a pointer to a struct like:
// struct {
//	fn    uintptr
//	a1    uintptr
//	a2    uintptr
//	a3    uintptr
//	r1    uintptr
//	r2    uintptr
//	err   uintptr
// }
// syscall must be called on the g0 stack with the
// C calling convention (use libcCall).
TEXT runtime·syscall(SB),NOSPLIT,$0
	SUB	$16, RSP	// push structure pointer
	MOVD	R0, 8(RSP)

MOVD	0(R0), R12	// fn
	MOVD	16(R0), R1	// a2
	MOVD	24(R0), R2	// a3
	MOVD	8(R0), R0	// a1

// If fn is declared as vararg, we have to pass the vararg arguments on the stack.
	// (Because ios decided not to adhere to the standard arm64 calling convention, sigh...)
	// The only libSystem calls we support that are vararg are open, fcntl, and ioctl,
	// which are all of the form fn(x, y, ...). So we just need to put the 3rd arg
	// on the stack as well.
	// If we ever have other vararg libSystem calls, we might need to handle more cases.
	MOVD	R2, (RSP)

BL	(R12)

MOVD	8(RSP), R2	// pop structure pointer
	ADD	$16, RSP
	MOVD	R0, 32(R2)	// save r1
	MOVD	R1, 40(R2)	// save r2
	CMPW	$-1, R0
	BNE	ok
	SUB	$16, RSP	// push structure pointer
	MOVD	R2, 8(RSP)
	BL	libc_error(SB)
	MOVW	(R0), R0
	MOVD	8(RSP), R2	// pop structure pointer
	ADD	$16, RSP
	MOVD	R0, 48(R2)	// save err
ok:
	RET

// syscallX calls a function in libc on behalf of the syscall package.
// syscallX takes a pointer to a struct like:
// struct {
//	fn    uintptr
//	a1    uintptr
//	a2    uintptr
//	a3    uintptr
//	r1    uintptr
//	r2    uintptr
//	err   uintptr
// }
// syscallX must be called on the g0 stack with the
// C calling convention (use libcCall).
TEXT runtime·syscallX(SB),NOSPLIT,$0
	SUB	$16, RSP	// push structure pointer
	MOVD	R0, (RSP)

MOVD	0(R0), R12	// fn
	MOVD	16(R0), R1	// a2
	MOVD	24(R0), R2	// a3
	MOVD	8(R0), R0	// a1
	BL	(R12)

MOVD	(RSP), R2	// pop structure pointer
	ADD	$16, RSP
	MOVD	R0, 32(R2)	// save r1
	MOVD	R1, 40(R2)	// save r2
	CMP	$-1, R0
	BNE	ok
	SUB	$16, RSP	// push structure pointer
	MOVD	R2, (RSP)
	BL	libc_error(SB)
	MOVW	(R0), R0
	MOVD	(RSP), R2	// pop structure pointer
	ADD	$16, RSP
	MOVD	R0, 48(R2)	// save err
ok:
	RET

// syscallPtr is like syscallX except that the libc function reports an
// error by returning NULL and setting errno.
TEXT runtime·syscallPtr(SB),NOSPLIT,$0
	SUB	$16, RSP	// push structure pointer
	MOVD	R0, (RSP)

MOVD	0(R0), R12	// fn
	MOVD	16(R0), R1	// a2
	MOVD	24(R0), R2	// a3
	MOVD	8(R0), R0	// a1
	BL	(R12)

MOVD	(RSP), R2	// pop structure pointer
	ADD	$16, RSP
	MOVD	R0, 32(R2)	// save r1
	MOVD	R1, 40(R2)	// save r2
	CMP	$0, R0
	BNE	ok
	SUB	$16, RSP	// push structure pointer
	MOVD	R2, (RSP)
	BL	libc_error(SB)
	MOVW	(R0), R0
	MOVD	(RSP), R2	// pop structure pointer
	ADD	$16, RSP
	MOVD	R0, 48(R2)	// save err
ok:
	RET

// syscall6 calls a function in libc on behalf of the syscall package.
// syscall6 takes a pointer to a struct like:
// struct {
//	fn    uintptr
//	a1    uintptr
//	a2    uintptr
//	a3    uintptr
//	a4    uintptr
//	a5    uintptr
//	a6    uintptr
//	r1    uintptr
//	r2    uintptr
//	err   uintptr
// }
// syscall6 must be called on the g0 stack with the
// C calling convention (use libcCall).
TEXT runtime·syscall6(SB),NOSPLIT,$0
	SUB	$16, RSP	// push structure pointer
	MOVD	R0, 8(RSP)

MOVD	0(R0), R12	// fn
	MOVD	16(R0), R1	// a2
	MOVD	24(R0), R2	// a3
	MOVD	32(R0), R3	// a4
	MOVD	40(R0), R4	// a5
	MOVD	48(R0), R5	// a6
	MOVD	8(R0), R0	// a1

// If fn is declared as vararg, we have to pass the vararg arguments on the stack.
	// See syscall above. The only function this applies to is openat, for which the 4th
	// arg must be on the stack.
	MOVD	R3, (RSP)

BL	(R12)

MOVD	8(RSP), R2	// pop structure pointer
	ADD	$16, RSP
	MOVD	R0, 56(R2)	// save r1
	MOVD	R1, 64(R2)	// save r2
	CMPW	$-1, R0
	BNE	ok
	SUB	$16, RSP	// push structure pointer
	MOVD	R2, 8(RSP)
	BL	libc_error(SB)
	MOVW	(R0), R0
	MOVD	8(RSP), R2	// pop structure pointer
	ADD	$16, RSP
	MOVD	R0, 72(R2)	// save err
ok:
	RET

// syscall6X calls a function in libc on behalf of the syscall package.
// syscall6X takes a pointer to a struct like:
// struct {
//	fn    uintptr
//	a1    uintptr
//	a2    uintptr
//	a3    uintptr
//	a4    uintptr
//	a5    uintptr
//	a6    uintptr
//	r1    uintptr
//	r2    uintptr
//	err   uintptr
// }
// syscall6X must be called on the g0 stack with the
// C calling convention (use libcCall).
TEXT runtime·syscall6X(SB),NOSPLIT,$0
	SUB	$16, RSP	// push structure pointer
	MOVD	R0, (RSP)

MOVD	0(R0), R12	// fn
	MOVD	16(R0), R1	// a2
	MOVD	24(R0), R2	// a3
	MOVD	32(R0), R3	// a4
	MOVD	40(R0), R4	// a5
	MOVD	48(R0), R5	// a6
	MOVD	8(R0), R0	// a1
	BL	(R12)

MOVD	(RSP), R2	// pop structure pointer
	ADD	$16, RSP
	MOVD	R0, 56(R2)	// save r1
	MOVD	R1, 64(R2)	// save r2
	CMP	$-1, R0
	BNE	ok
	SUB	$16, RSP	// push structure pointer
	MOVD	R2, (RSP)
	BL	libc_error(SB)
	MOVW	(R0), R0
	MOVD	(RSP), R2	// pop structure pointer
	ADD	$16, RSP
	MOVD	R0, 72(R2)	// save err
ok:
	RET

// syscall_x509 is for crypto/x509. It is like syscall6 but does not check for errors,
// takes 5 uintptrs and 1 float64, and only returns one value,
// for use with standard C ABI functions.
TEXT runtime·syscall_x509(SB),NOSPLIT,$0
	SUB	$16, RSP	// push structure pointer
	MOVD	R0, (RSP)

MOVD	0(R0), R12	// fn
	MOVD	16(R0), R1	// a2
	MOVD	24(R0), R2	// a3
	MOVD	32(R0), R3	// a4
	MOVD	40(R0), R4	// a5
	FMOVD	48(R0), F0	// f1
	MOVD	8(R0), R0	// a1
	BL	(R12)

MOVD	(RSP), R2	// pop structure pointer
	ADD	$16, RSP
	MOVD	R0, 56(R2)	// save r1
	RET

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