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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)
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📄 stubs.go(17.39 KB)
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📄 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: runtime-gdb.py

# Copyright 2010 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.

"""GDB Pretty printers and convenience functions for Go's runtime structures.

This script is loaded by GDB when it finds a .debug_gdb_scripts
section in the compiled binary. The [68]l linkers emit this with a
path to this file based on the path to the runtime package.
"""

# Known issues:
#    - pretty printing only works for the 'native' strings. E.g. 'type
#      foo string' will make foo a plain struct in the eyes of gdb,
#      circumventing the pretty print triggering.

from __future__ import print_function
import re
import sys
import gdb

print("Loading Go Runtime support.", file=sys.stderr)
#http://python3porting.com/differences.html
if sys.version > '3':
	xrange = range
# allow to manually reload while developing
goobjfile = gdb.current_objfile() or gdb.objfiles()[0]
goobjfile.pretty_printers = []

# G state (runtime2.go)

def read_runtime_const(varname, default):
  try:
    return int(gdb.parse_and_eval(varname))
  except Exception:
    return int(default)

G_IDLE = read_runtime_const("'runtime._Gidle'", 0)
G_RUNNABLE = read_runtime_const("'runtime._Grunnable'", 1)
G_RUNNING = read_runtime_const("'runtime._Grunning'", 2)
G_SYSCALL = read_runtime_const("'runtime._Gsyscall'", 3)
G_WAITING = read_runtime_const("'runtime._Gwaiting'", 4)
G_MORIBUND_UNUSED = read_runtime_const("'runtime._Gmoribund_unused'", 5)
G_DEAD = read_runtime_const("'runtime._Gdead'", 6)
G_ENQUEUE_UNUSED = read_runtime_const("'runtime._Genqueue_unused'", 7)
G_COPYSTACK = read_runtime_const("'runtime._Gcopystack'", 8)
G_SCAN = read_runtime_const("'runtime._Gscan'", 0x1000)
G_SCANRUNNABLE = G_SCAN+G_RUNNABLE
G_SCANRUNNING = G_SCAN+G_RUNNING
G_SCANSYSCALL = G_SCAN+G_SYSCALL
G_SCANWAITING = G_SCAN+G_WAITING

sts = {
    G_IDLE: 'idle',
    G_RUNNABLE: 'runnable',
    G_RUNNING: 'running',
    G_SYSCALL: 'syscall',
    G_WAITING: 'waiting',
    G_MORIBUND_UNUSED: 'moribund',
    G_DEAD: 'dead',
    G_ENQUEUE_UNUSED: 'enqueue',
    G_COPYSTACK: 'copystack',
    G_SCAN: 'scan',
    G_SCANRUNNABLE: 'runnable+s',
    G_SCANRUNNING: 'running+s',
    G_SCANSYSCALL: 'syscall+s',
    G_SCANWAITING: 'waiting+s',
}

#
#  Value wrappers
#

class SliceValue:
	"Wrapper for slice values."

def __init__(self, val):
		self.val = val

@property
	def len(self):
		return int(self.val['len'])

@property
	def cap(self):
		return int(self.val['cap'])

def __getitem__(self, i):
		if i < 0 or i >= self.len:
			raise IndexError(i)
		ptr = self.val["array"]
		return (ptr + i).dereference()

#
#  Pretty Printers
#

# The patterns for matching types are permissive because gdb 8.2 switched to matching on (we think) typedef names instead of C syntax names.
class StringTypePrinter:
	"Pretty print Go strings."

pattern = re.compile(r'^(struct string( \*)?|string)$')

def __init__(self, val):
		self.val = val

def display_hint(self):
		return 'string'

def to_string(self):
		l = int(self.val['len'])
		return self.val['str'].string("utf-8", "ignore", l)

class SliceTypePrinter:
	"Pretty print slices."

pattern = re.compile(r'^(struct \[\]|\[\])')

def __init__(self, val):
		self.val = val

def display_hint(self):
		return 'array'

def to_string(self):
		t = str(self.val.type)
		if (t.startswith("struct ")):
			return t[len("struct "):]
		return t

def children(self):
		sval = SliceValue(self.val)
		if sval.len > sval.cap:
			return
		for idx, item in enumerate(sval):
			yield ('[{0}]'.format(idx), item)

class MapTypePrinter:
	"""Pretty print map[K]V types.

Map-typed go variables are really pointers. dereference them in gdb
	to inspect their contents with this pretty printer.
	"""

pattern = re.compile(r'^map\[.*\].*$')

def __init__(self, val):
		self.val = val

def display_hint(self):
		return 'map'

def to_string(self):
		return str(self.val.type)

def children(self):
		MapBucketCount = 8 # see internal/abi.go:MapBucketCount
		B = self.val['B']
		buckets = self.val['buckets']
		oldbuckets = self.val['oldbuckets']
		flags = self.val['flags']
		inttype = self.val['hash0'].type
		cnt = 0
		for bucket in xrange(2 ** int(B)):
			bp = buckets + bucket
			if oldbuckets:
				oldbucket = bucket & (2 ** (B - 1) - 1)
				oldbp = oldbuckets + oldbucket
				oldb = oldbp.dereference()
				if (oldb['overflow'].cast(inttype) & 1) == 0:  # old bucket not evacuated yet
					if bucket >= 2 ** (B - 1):
						continue    # already did old bucket
					bp = oldbp
			while bp:
				b = bp.dereference()
				for i in xrange(MapBucketCount):
					if b['tophash'][i] != 0:
						k = b['keys'][i]
						v = b['values'][i]
						if flags & 1:
							k = k.dereference()
						if flags & 2:
							v = v.dereference()
						yield str(cnt), k
						yield str(cnt + 1), v
						cnt += 2
				bp = b['overflow']

class ChanTypePrinter:
	"""Pretty print chan[T] types.

Chan-typed go variables are really pointers. dereference them in gdb
	to inspect their contents with this pretty printer.
	"""

pattern = re.compile(r'^chan ')

def __init__(self, val):
		self.val = val

def display_hint(self):
		return 'array'

def to_string(self):
		return str(self.val.type)

def children(self):
		# see chan.c chanbuf(). et is the type stolen from hchan<T>::recvq->first->elem
		et = [x.type for x in self.val['recvq']['first'].type.target().fields() if x.name == 'elem'][0]
		ptr = (self.val.address["buf"]).cast(et)
		for i in range(self.val["qcount"]):
			j = (self.val["recvx"] + i) % self.val["dataqsiz"]
			yield ('[{0}]'.format(i), (ptr + j).dereference())

def paramtypematch(t, pattern):
	return t.code == gdb.TYPE_CODE_TYPEDEF and str(t).startswith(".param") and pattern.match(str(t.target()))

#
#  Register all the *Printer classes above.
#

def makematcher(klass):
	def matcher(val):
		try:
			if klass.pattern.match(str(val.type)):
				return klass(val)
			elif paramtypematch(val.type, klass.pattern):
				return klass(val.cast(val.type.target()))
		except Exception:
			pass
	return matcher

goobjfile.pretty_printers.extend([makematcher(var) for var in vars().values() if hasattr(var, 'pattern')])
#
#  Utilities
#

def pc_to_int(pc):
	# python2 will not cast pc (type void*) to an int cleanly
	# instead python2 and python3 work with the hex string representation
	# of the void pointer which we can parse back into an int.
	# int(pc) will not work.
	try:
		# python3 / newer versions of gdb
		pc = int(pc)
	except gdb.error:
		# str(pc) can return things like
		# "0x429d6c <runtime.gopark+284>", so
		# chop at first space.
		pc = int(str(pc).split(None, 1)[0], 16)
	return pc

#
#  For reference, this is what we're trying to do:
#  eface: p *(*(struct 'runtime.rtype'*)'main.e'->type_->data)->string
#  iface: p *(*(struct 'runtime.rtype'*)'main.s'->tab->Type->data)->string
#
# interface types can't be recognized by their name, instead we check
# if they have the expected fields.  Unfortunately the mapping of
# fields to python attributes in gdb.py isn't complete: you can't test
# for presence other than by trapping.

def is_iface(val):
	try:
		return str(val['tab'].type) == "struct runtime.itab *" and str(val['data'].type) == "void *"
	except gdb.error:
		pass

def is_eface(val):
	try:
		return str(val['_type'].type) == "struct runtime._type *" and str(val['data'].type) == "void *"
	except gdb.error:
		pass

def lookup_type(name):
	try:
		return gdb.lookup_type(name)
	except gdb.error:
		pass
	try:
		return gdb.lookup_type('struct ' + name)
	except gdb.error:
		pass
	try:
		return gdb.lookup_type('struct ' + name[1:]).pointer()
	except gdb.error:
		pass

def iface_commontype(obj):
	if is_iface(obj):
		go_type_ptr = obj['tab']['_type']
	elif is_eface(obj):
		go_type_ptr = obj['_type']
	else:
		return

return go_type_ptr.cast(gdb.lookup_type("struct reflect.rtype").pointer()).dereference()

def iface_dtype(obj):
	"Decode type of the data field of an eface or iface struct."
	# known issue: dtype_name decoded from runtime.rtype is "nested.Foo"
	# but the dwarf table lists it as "full/path/to/nested.Foo"

dynamic_go_type = iface_commontype(obj)
	if dynamic_go_type is None:
		return
	dtype_name = dynamic_go_type['string'].dereference()['str'].string()

dynamic_gdb_type = lookup_type(dtype_name)
	if dynamic_gdb_type is None:
		return

type_size = int(dynamic_go_type['size'])
	uintptr_size = int(dynamic_go_type['size'].type.sizeof)	 # size is itself a uintptr
	if type_size > uintptr_size:
			dynamic_gdb_type = dynamic_gdb_type.pointer()

return dynamic_gdb_type

def iface_dtype_name(obj):
	"Decode type name of the data field of an eface or iface struct."

dynamic_go_type = iface_commontype(obj)
	if dynamic_go_type is None:
		return
	return dynamic_go_type['string'].dereference()['str'].string()

class IfacePrinter:
	"""Pretty print interface values

Casts the data field to the appropriate dynamic type."""

def __init__(self, val):
		self.val = val

def display_hint(self):
		return 'string'

def to_string(self):
		if self.val['data'] == 0:
			return 0x0
		try:
			dtype = iface_dtype(self.val)
		except Exception:
			return "<bad dynamic type>"

if dtype is None:  # trouble looking up, print something reasonable
			return "({typename}){data}".format(
				typename=iface_dtype_name(self.val), data=self.val['data'])

try:
			return self.val['data'].cast(dtype).dereference()
		except Exception:
			pass
		return self.val['data'].cast(dtype)

def ifacematcher(val):
	if is_iface(val) or is_eface(val):
		return IfacePrinter(val)

goobjfile.pretty_printers.append(ifacematcher)

#
#  Convenience Functions
#

class GoLenFunc(gdb.Function):
	"Length of strings, slices, maps or channels"

how = ((StringTypePrinter, 'len'), (SliceTypePrinter, 'len'), (MapTypePrinter, 'count'), (ChanTypePrinter, 'qcount'))

def __init__(self):
		gdb.Function.__init__(self, "len")

def invoke(self, obj):
		typename = str(obj.type)
		for klass, fld in self.how:
			if klass.pattern.match(typename) or paramtypematch(obj.type, klass.pattern):
				return obj[fld]

class GoCapFunc(gdb.Function):
	"Capacity of slices or channels"

how = ((SliceTypePrinter, 'cap'), (ChanTypePrinter, 'dataqsiz'))

def __init__(self):
		gdb.Function.__init__(self, "cap")

def invoke(self, obj):
		typename = str(obj.type)
		for klass, fld in self.how:
			if klass.pattern.match(typename) or paramtypematch(obj.type, klass.pattern):
				return obj[fld]

class DTypeFunc(gdb.Function):
	"""Cast Interface values to their dynamic type.

For non-interface types this behaves as the identity operation.
	"""

def __init__(self):
		gdb.Function.__init__(self, "dtype")

def invoke(self, obj):
		try:
			return obj['data'].cast(iface_dtype(obj))
		except gdb.error:
			pass
		return obj

#
#  Commands
#

def linked_list(ptr, linkfield):
	while ptr:
		yield ptr
		ptr = ptr[linkfield]

class GoroutinesCmd(gdb.Command):
	"List all goroutines."

def __init__(self):
		gdb.Command.__init__(self, "info goroutines", gdb.COMMAND_STACK, gdb.COMPLETE_NONE)

def invoke(self, _arg, _from_tty):
		# args = gdb.string_to_argv(arg)
		vp = gdb.lookup_type('void').pointer()
		for ptr in SliceValue(gdb.parse_and_eval("'runtime.allgs'")):
			if ptr['atomicstatus']['value'] == G_DEAD:
				continue
			s = ' '
			if ptr['m']:
				s = '*'
			pc = ptr['sched']['pc'].cast(vp)
			pc = pc_to_int(pc)
			blk = gdb.block_for_pc(pc)
			status = int(ptr['atomicstatus']['value'])
			st = sts.get(status, "unknown(%d)" % status)
			print(s, ptr['goid'], "{0:8s}".format(st), blk.function)

def find_goroutine(goid):
	"""
	find_goroutine attempts to find the goroutine identified by goid.
	It returns a tuple of gdb.Value's representing the stack pointer
	and program counter pointer for the goroutine.

@param int goid

@return tuple (gdb.Value, gdb.Value)
	"""
	vp = gdb.lookup_type('void').pointer()
	for ptr in SliceValue(gdb.parse_and_eval("'runtime.allgs'")):
		if ptr['atomicstatus']['value'] == G_DEAD:
			continue
		if ptr['goid'] == goid:
			break
	else:
		return None, None
	# Get the goroutine's saved state.
	pc, sp = ptr['sched']['pc'], ptr['sched']['sp']
	status = ptr['atomicstatus']['value']&~G_SCAN
	# Goroutine is not running nor in syscall, so use the info in goroutine
	if status != G_RUNNING and status != G_SYSCALL:
		return pc.cast(vp), sp.cast(vp)

# If the goroutine is in a syscall, use syscallpc/sp.
	pc, sp = ptr['syscallpc'], ptr['syscallsp']
	if sp != 0:
		return pc.cast(vp), sp.cast(vp)
	# Otherwise, the goroutine is running, so it doesn't have
	# saved scheduler state. Find G's OS thread.
	m = ptr['m']
	if m == 0:
		return None, None
	for thr in gdb.selected_inferior().threads():
		if thr.ptid[1] == m['procid']:
			break
	else:
		return None, None
	# Get scheduler state from the G's OS thread state.
	curthr = gdb.selected_thread()
	try:
		thr.switch()
		pc = gdb.parse_and_eval('$pc')
		sp = gdb.parse_and_eval('$sp')
	finally:
		curthr.switch()
	return pc.cast(vp), sp.cast(vp)

class GoroutineCmd(gdb.Command):
	"""Execute gdb command in the context of goroutine <goid>.

Switch PC and SP to the ones in the goroutine's G structure,
	execute an arbitrary gdb command, and restore PC and SP.

Usage: (gdb) goroutine <goid> <gdbcmd>

You could pass "all" as <goid> to apply <gdbcmd> to all goroutines.

For example: (gdb) goroutine all <gdbcmd>

Note that it is ill-defined to modify state in the context of a goroutine.
	Restrict yourself to inspecting values.
	"""

def __init__(self):
		gdb.Command.__init__(self, "goroutine", gdb.COMMAND_STACK, gdb.COMPLETE_NONE)

def invoke(self, arg, _from_tty):
		goid_str, cmd = arg.split(None, 1)
		goids = []

if goid_str == 'all':
			for ptr in SliceValue(gdb.parse_and_eval("'runtime.allgs'")):
				goids.append(int(ptr['goid']))
		else:
			goids = [int(gdb.parse_and_eval(goid_str))]

for goid in goids:
			self.invoke_per_goid(goid, cmd)

def invoke_per_goid(self, goid, cmd):
		pc, sp = find_goroutine(goid)
		if not pc:
			print("No such goroutine: ", goid)
			return
		pc = pc_to_int(pc)
		save_frame = gdb.selected_frame()
		gdb.parse_and_eval('$save_sp = $sp')
		gdb.parse_and_eval('$save_pc = $pc')
		# In GDB, assignments to sp must be done from the
		# top-most frame, so select frame 0 first.
		gdb.execute('select-frame 0')
		gdb.parse_and_eval('$sp = {0}'.format(str(sp)))
		gdb.parse_and_eval('$pc = {0}'.format(str(pc)))
		try:
			gdb.execute(cmd)
		finally:
			# In GDB, assignments to sp must be done from the
			# top-most frame, so select frame 0 first.
			gdb.execute('select-frame 0')
			gdb.parse_and_eval('$pc = $save_pc')
			gdb.parse_and_eval('$sp = $save_sp')
			save_frame.select()

class GoIfaceCmd(gdb.Command):
	"Print Static and dynamic interface types"

def __init__(self):
		gdb.Command.__init__(self, "iface", gdb.COMMAND_DATA, gdb.COMPLETE_SYMBOL)

def invoke(self, arg, _from_tty):
		for obj in gdb.string_to_argv(arg):
			try:
				#TODO fix quoting for qualified variable names
				obj = gdb.parse_and_eval(str(obj))
			except Exception as e:
				print("Can't parse ", obj, ": ", e)
				continue

if obj['data'] == 0:
				dtype = "nil"
			else:
				dtype = iface_dtype(obj)

if dtype is None:
				print("Not an interface: ", obj.type)
				continue

print("{0}: {1}".format(obj.type, dtype))

# TODO: print interface's methods and dynamic type's func pointers thereof.
#rsc: "to find the number of entries in the itab's Fn field look at
# itab.inter->numMethods
# i am sure i have the names wrong but look at the interface type
# and its method count"
# so Itype will start with a commontype which has kind = interface

#
# Register all convenience functions and CLI commands
#
GoLenFunc()
GoCapFunc()
DTypeFunc()
GoroutinesCmd()
GoroutineCmd()
GoIfaceCmd()

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