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runtime
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..
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HACKING.md
(15.29 KB)
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Makefile
(178 B)
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abi_test.go
(2.83 KB)
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alg.go
(9.45 KB)
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align_runtime_test.go
(2.73 KB)
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align_test.go
(5.26 KB)
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asan
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asan.go
(1.55 KB)
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asan0.go
(761 B)
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asan_amd64.s
(2.46 KB)
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asan_arm64.s
(2.15 KB)
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asan_riscv64.s
(1.92 KB)
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asm.s
(278 B)
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asm_386.s
(40.43 KB)
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asm_amd64.h
(411 B)
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asm_amd64.s
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asm_arm.s
(30.2 KB)
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asm_arm64.s
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asm_loong64.s
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asm_mips64x.s
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asm_mipsx.s
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asm_ppc64x.h
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asm_ppc64x.s
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asm_riscv64.s
(26.43 KB)
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asm_s390x.s
(26.08 KB)
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asm_wasm.s
(9.38 KB)
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atomic_arm64.s
(259 B)
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atomic_loong64.s
(245 B)
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atomic_mips64x.s
(300 B)
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atomic_mipsx.s
(262 B)
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atomic_pointer.go
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atomic_ppc64x.s
(437 B)
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atomic_riscv64.s
(275 B)
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auxv_none.go
(298 B)
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callers_test.go
(8.44 KB)
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cgo
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cgo.go
(2 KB)
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cgo_mmap.go
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cgo_ppc64x.go
(418 B)
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cgo_sigaction.go
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cgocall.go
(19.12 KB)
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cgocallback.go
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cgocheck.go
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chan.go
(23.73 KB)
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chan_test.go
(23.37 KB)
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chanbarrier_test.go
(1.4 KB)
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checkptr.go
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checkptr_test.go
(2.73 KB)
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closure_test.go
(937 B)
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compiler.go
(410 B)
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complex.go
(1.59 KB)
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complex_test.go
(1.05 KB)
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conv_wasm_test.go
(2.96 KB)
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cpuflags.go
(810 B)
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cpuflags_amd64.go
(533 B)
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cpuflags_arm64.go
(334 B)
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cpuprof.go
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cputicks.go
(449 B)
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crash_cgo_test.go
(18.14 KB)
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crash_test.go
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crash_unix_test.go
(8.39 KB)
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debug
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debug.go
(3.23 KB)
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debug_test.go
(7.98 KB)
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debugcall.go
(6.19 KB)
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debuglog.go
(17.87 KB)
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debuglog_off.go
(357 B)
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debuglog_on.go
(1.09 KB)
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debuglog_test.go
(4.56 KB)
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defer_test.go
(11.56 KB)
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defs1_linux.go
(845 B)
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defs1_netbsd_386.go
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defs1_netbsd_amd64.go
(3.06 KB)
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defs1_netbsd_arm.go
(2.94 KB)
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defs1_netbsd_arm64.go
(3.17 KB)
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defs1_solaris_amd64.go
(4 KB)
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defs2_linux.go
(3.51 KB)
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defs3_linux.go
(1.09 KB)
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defs_aix.go
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defs_aix_ppc64.go
(3.61 KB)
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defs_arm_linux.go
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defs_darwin.go
(3.78 KB)
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defs_darwin_amd64.go
(6.07 KB)
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defs_darwin_arm64.go
(3.89 KB)
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defs_dragonfly.go
(2.59 KB)
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defs_dragonfly_amd64.go
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defs_freebsd.go
(3.82 KB)
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defs_freebsd_386.go
(4.36 KB)
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defs_freebsd_amd64.go
(4.63 KB)
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defs_freebsd_arm.go
(3.69 KB)
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defs_freebsd_arm64.go
(4.01 KB)
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defs_illumos_amd64.go
(285 B)
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defs_linux.go
(3.25 KB)
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defs_linux_386.go
(4.42 KB)
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defs_linux_amd64.go
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defs_linux_arm.go
(4.11 KB)
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defs_linux_arm64.go
(3.86 KB)
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defs_linux_loong64.go
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defs_linux_mips64x.go
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defs_linux_mipsx.go
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defs_linux_ppc64.go
(3.93 KB)
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defs_linux_ppc64le.go
(3.93 KB)
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defs_linux_riscv64.go
(4.06 KB)
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defs_linux_s390x.go
(3.41 KB)
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defs_netbsd.go
(2.72 KB)
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defs_netbsd_386.go
(855 B)
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defs_netbsd_amd64.go
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defs_netbsd_arm.go
(764 B)
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defs_openbsd.go
(3.09 KB)
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defs_openbsd_386.go
(2.87 KB)
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defs_openbsd_amd64.go
(3.07 KB)
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defs_openbsd_arm.go
(2.99 KB)
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defs_openbsd_arm64.go
(2.74 KB)
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defs_openbsd_mips64.go
(2.64 KB)
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defs_plan9_386.go
(1.63 KB)
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defs_plan9_amd64.go
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defs_plan9_arm.go
(1.73 KB)
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defs_solaris.go
(3.31 KB)
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defs_solaris_amd64.go
(1004 B)
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defs_windows.go
(2.09 KB)
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defs_windows_386.go
(1.98 KB)
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defs_windows_amd64.go
(2.71 KB)
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defs_windows_arm.go
(2.11 KB)
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defs_windows_arm64.go
(2.63 KB)
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duff_386.s
(8.24 KB)
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duff_amd64.s
(5.62 KB)
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duff_arm.s
(7.11 KB)
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duff_arm64.s
(5.27 KB)
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duff_loong64.s
(12 KB)
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duff_mips64x.s
(11.28 KB)
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duff_ppc64x.s
(7.06 KB)
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duff_riscv64.s
(11.4 KB)
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duff_s390x.s
(507 B)
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env_plan9.go
(3 KB)
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env_posix.go
(1.79 KB)
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env_test.go
(1.16 KB)
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error.go
(9.21 KB)
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example_test.go
(1.55 KB)
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export_aix_test.go
(234 B)
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export_arm_test.go
(226 B)
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export_darwin_test.go
(382 B)
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export_debug_amd64_test.go
(3.6 KB)
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export_debug_arm64_test.go
(3.49 KB)
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export_debug_test.go
(5.05 KB)
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export_debuglog_test.go
(1.24 KB)
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export_linux_test.go
(550 B)
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export_mmap_test.go
(429 B)
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export_pipe2_test.go
(310 B)
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export_pipe_test.go
(219 B)
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export_solaris_test.go
(282 B)
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export_test.go
(38.87 KB)
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export_unix_test.go
(2.18 KB)
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export_windows_test.go
(677 B)
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extern.go
(13.62 KB)
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fastlog2.go
(1.22 KB)
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fastlog2_test.go
(784 B)
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fastlog2table.go
(904 B)
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float.go
(1.35 KB)
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float_test.go
(699 B)
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funcdata.h
(2.55 KB)
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gc_test.go
(20.04 KB)
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gcinfo_test.go
(5.59 KB)
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go_tls.h
(366 B)
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hash32.go
(1.58 KB)
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hash64.go
(1.95 KB)
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hash_test.go
(16.77 KB)
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heapdump.go
(17.65 KB)
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histogram.go
(6.19 KB)
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histogram_test.go
(3.42 KB)
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iface.go
(15.66 KB)
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iface_test.go
(7.45 KB)
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internal
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lfstack.go
(1.77 KB)
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lfstack_32bit.go
(532 B)
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lfstack_64bit.go
(2.18 KB)
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lfstack_test.go
(2.77 KB)
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libfuzzer.go
(6.5 KB)
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libfuzzer_amd64.s
(5.01 KB)
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libfuzzer_arm64.s
(3.15 KB)
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lock_futex.go
(5.19 KB)
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lock_js.go
(6.14 KB)
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lock_sema.go
(6.74 KB)
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lockrank.go
(13.26 KB)
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lockrank_off.go
(1.14 KB)
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lockrank_on.go
(9.83 KB)
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lockrank_test.go
(1.15 KB)
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malloc.go
(51.01 KB)
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malloc_test.go
(10.78 KB)
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map.go
(43.52 KB)
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map_benchmark_test.go
(10.48 KB)
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map_fast32.go
(12.72 KB)
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map_fast64.go
(12.91 KB)
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map_faststr.go
(14.3 KB)
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map_test.go
(27.44 KB)
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mbarrier.go
(12.43 KB)
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mbitmap.go
(66.08 KB)
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mcache.go
(10 KB)
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mcentral.go
(7.9 KB)
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mcheckmark.go
(2.81 KB)
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mem.go
(6.23 KB)
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mem_aix.go
(1.9 KB)
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mem_bsd.go
(2.03 KB)
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mem_darwin.go
(1.84 KB)
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mem_js.go
(2.25 KB)
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mem_linux.go
(6.15 KB)
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mem_plan9.go
(4.32 KB)
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mem_windows.go
(3.76 KB)
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memclr_386.s
(2.38 KB)
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memclr_amd64.s
(4.91 KB)
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memclr_arm.s
(2.6 KB)
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memclr_arm64.s
(3.62 KB)
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memclr_loong64.s
(778 B)
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memclr_mips64x.s
(1.72 KB)
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memclr_mipsx.s
(1.32 KB)
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memclr_plan9_386.s
(983 B)
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memclr_plan9_amd64.s
(511 B)
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memclr_ppc64x.s
(4.23 KB)
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memclr_riscv64.s
(978 B)
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memclr_s390x.s
(1.96 KB)
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memclr_wasm.s
(622 B)
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memmove_386.s
(4.42 KB)
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memmove_amd64.s
(12.48 KB)
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memmove_arm.s
(5.9 KB)
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memmove_arm64.s
(5.96 KB)
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memmove_linux_amd64_test.go
(1.6 KB)
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memmove_loong64.s
(1.8 KB)
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memmove_mips64x.s
(1.83 KB)
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memmove_mipsx.s
(4.4 KB)
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memmove_plan9_386.s
(3.06 KB)
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memmove_plan9_amd64.s
(3.04 KB)
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memmove_ppc64x.s
(4.58 KB)
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memmove_riscv64.s
(1.86 KB)
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memmove_s390x.s
(2.92 KB)
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memmove_test.go
(14.03 KB)
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memmove_wasm.s
(1.74 KB)
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metrics
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metrics.go
(18.71 KB)
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metrics_test.go
(14.74 KB)
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mfinal.go
(16.34 KB)
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mfinal_test.go
(6.19 KB)
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mfixalloc.go
(3.07 KB)
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mgc.go
(56.37 KB)
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mgclimit.go
(17.26 KB)
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mgclimit_test.go
(9.02 KB)
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mgcmark.go
(47.47 KB)
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mgcpacer.go
(60.12 KB)
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mgcpacer_test.go
(40.43 KB)
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mgcscavenge.go
(41.29 KB)
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mgcscavenge_test.go
(20.33 KB)
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mgcstack.go
(10.58 KB)
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mgcsweep.go
(27.89 KB)
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mgcwork.go
(12.86 KB)
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mheap.go
(69.14 KB)
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mkduff.go
(8.01 KB)
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mkfastlog2table.go
(3.08 KB)
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mkpreempt.go
(15.12 KB)
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mksizeclasses.go
(9.3 KB)
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mmap.go
(821 B)
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mpagealloc.go
(36.84 KB)
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mpagealloc_32bit.go
(3.81 KB)
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mpagealloc_64bit.go
(9.44 KB)
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mpagealloc_test.go
(32.59 KB)
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mpagecache.go
(5.46 KB)
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mpagecache_test.go
(10.79 KB)
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mpallocbits.go
(12.6 KB)
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mpallocbits_test.go
(13.69 KB)
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mprof.go
(38.51 KB)
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mranges.go
(13.64 KB)
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mranges_test.go
(5.68 KB)
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msan
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msan.go
(1.5 KB)
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msan0.go
(725 B)
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msan_amd64.s
(2.31 KB)
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msan_arm64.s
(1.99 KB)
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msize.go
(777 B)
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mspanset.go
(12.21 KB)
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mstats.go
(30.07 KB)
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mwbbuf.go
(9.28 KB)
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nbpipe_fcntl_libc_test.go
(470 B)
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nbpipe_fcntl_unix_test.go
(458 B)
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nbpipe_pipe.go
(405 B)
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nbpipe_pipe2.go
(344 B)
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nbpipe_pipe_test.go
(706 B)
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nbpipe_test.go
(1.68 KB)
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net_plan9.go
(645 B)
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netpoll.go
(18.27 KB)
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netpoll_aix.go
(4.83 KB)
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netpoll_epoll.go
(4.16 KB)
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netpoll_fake.go
(652 B)
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netpoll_kqueue.go
(4.56 KB)
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netpoll_os_test.go
(360 B)
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netpoll_solaris.go
(10.76 KB)
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netpoll_stub.go
(1.41 KB)
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netpoll_windows.go
(3.75 KB)
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norace_linux_test.go
(915 B)
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norace_test.go
(983 B)
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numcpu_freebsd_test.go
(381 B)
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os2_aix.go
(20.45 KB)
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os2_freebsd.go
(302 B)
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os2_openbsd.go
(296 B)
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os2_plan9.go
(1.48 KB)
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os2_solaris.go
(320 B)
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os3_plan9.go
(3.93 KB)
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os3_solaris.go
(17.22 KB)
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os_aix.go
(8.61 KB)
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os_android.go
(463 B)
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os_darwin.go
(12 KB)
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os_darwin_arm64.go
(416 B)
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os_dragonfly.go
(6.96 KB)
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os_freebsd.go
(11.61 KB)
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os_freebsd2.go
(603 B)
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os_freebsd_amd64.go
(658 B)
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os_freebsd_arm.go
(1.32 KB)
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os_freebsd_arm64.go
(398 B)
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os_freebsd_noauxv.go
(241 B)
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os_illumos.go
(3.93 KB)
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os_js.go
(3.28 KB)
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os_linux.go
(26.14 KB)
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os_linux_arm.go
(1.35 KB)
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os_linux_arm64.go
(556 B)
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os_linux_be64.go
(824 B)
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os_linux_generic.go
(888 B)
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os_linux_loong64.go
(485 B)
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os_linux_mips64x.go
(1.07 KB)
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os_linux_mipsx.go
(1.06 KB)
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os_linux_noauxv.go
(337 B)
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os_linux_novdso.go
(347 B)
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os_linux_ppc64x.go
(526 B)
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os_linux_riscv64.go
(198 B)
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os_linux_s390x.go
(316 B)
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os_linux_x86.go
(234 B)
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os_netbsd.go
(9.8 KB)
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os_netbsd_386.go
(617 B)
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os_netbsd_amd64.go
(614 B)
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os_netbsd_arm.go
(1.16 KB)
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os_netbsd_arm64.go
(856 B)
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os_nonopenbsd.go
(437 B)
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os_only_solaris.go
(357 B)
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os_openbsd.go
(6.55 KB)
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os_openbsd_arm.go
(749 B)
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os_openbsd_arm64.go
(416 B)
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os_openbsd_libc.go
(1.71 KB)
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os_openbsd_mips64.go
(416 B)
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os_openbsd_syscall.go
(1.27 KB)
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os_openbsd_syscall1.go
(441 B)
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os_openbsd_syscall2.go
(2.46 KB)
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os_plan9.go
(10.3 KB)
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os_plan9_arm.go
(462 B)
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os_solaris.go
(6.55 KB)
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os_windows.go
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os_windows_arm64.go
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panic.go
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panic32.go
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panic_test.go
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plugin.go
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pprof
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preempt.go
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preempt_386.s
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preempt_amd64.s
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preempt_arm.s
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preempt_mipsx.s
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preempt_nonwindows.go
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preempt_ppc64x.s
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print.go
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proc.go
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proc_runtime_test.go
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proc_test.go
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race.go
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race0.go
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race_amd64.s
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rand_test.go
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rdebug.go
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relax_stub.go
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rt0_aix_ppc64.s
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rt0_android_386.s
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rt0_android_amd64.s
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rt0_dragonfly_amd64.s
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rt0_js_wasm.s
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rt0_linux_386.s
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rt0_linux_amd64.s
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rt0_linux_arm64.s
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rt0_linux_loong64.s
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rt0_linux_mips64x.s
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rt0_linux_mipsx.s
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rt0_linux_ppc64.s
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rt0_linux_ppc64le.s
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rt0_linux_riscv64.s
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rt0_linux_s390x.s
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rt0_netbsd_386.s
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rt0_netbsd_amd64.s
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rt0_netbsd_arm.s
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rt0_netbsd_arm64.s
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rt0_openbsd_386.s
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rt0_openbsd_amd64.s
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rt0_openbsd_arm64.s
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rt0_openbsd_mips64.s
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rt0_plan9_386.s
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rt0_plan9_amd64.s
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rt0_plan9_arm.s
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rt0_solaris_amd64.s
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rt0_windows_386.s
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rt0_windows_amd64.s
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rt0_windows_arm.s
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rt0_windows_arm64.s
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runtime-gdb.py
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runtime-gdb_test.go
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runtime-lldb_test.go
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runtime.go
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runtime1.go
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runtime2.go
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runtime_boring.go
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runtime_linux_test.go
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runtime_mmap_test.go
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runtime_test.go
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runtime_unix_test.go
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rwmutex.go
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rwmutex_test.go
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select.go
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sema.go
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sema_test.go
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semasleep_test.go
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sigaction.go
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signal_386.go
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signal_aix_ppc64.go
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signal_amd64.go
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signal_arm.go
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signal_arm64.go
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signal_darwin.go
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signal_darwin_amd64.go
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signal_dragonfly.go
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signal_linux_386.go
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signal_linux_amd64.go
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signal_linux_arm64.go
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signal_linux_loong64.go
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signal_linux_mips64x.go
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signal_linux_mipsx.go
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signal_linux_ppc64x.go
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signal_linux_riscv64.go
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signal_linux_s390x.go
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signal_loong64.go
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signal_netbsd.go
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signal_openbsd_amd64.go
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signal_openbsd_arm64.go
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signal_openbsd_mips64.go
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signal_plan9.go
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signal_unix.go
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signal_windows.go
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signal_windows_test.go
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sigqueue.go
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sigqueue_note.go
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sigqueue_plan9.go
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sigtab_aix.go
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sigtab_linux_generic.go
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sigtab_linux_mipsx.go
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sizeclasses.go
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sizeof_test.go
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slice.go
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slice_test.go
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softfloat64.go
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softfloat64_test.go
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stack.go
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stack_test.go
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string.go
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string_test.go
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stubs.go
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stubs2.go
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stubs3.go
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stubs_386.go
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stubs_amd64.go
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stubs_arm.go
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stubs_arm64.go
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stubs_linux.go
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stubs_loong64.go
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stubs_mips64x.go
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stubs_mipsx.go
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stubs_nonlinux.go
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stubs_ppc64.go
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stubs_ppc64x.go
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stubs_riscv64.go
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stubs_s390x.go
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symtab.go
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symtab_test.go
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sys_aix_ppc64.s
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sys_arm.go
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sys_arm64.go
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sys_darwin.go
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sys_darwin_amd64.s
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sys_darwin_arm64.go
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sys_darwin_arm64.s
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sys_dragonfly_amd64.s
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sys_freebsd_386.s
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sys_freebsd_amd64.s
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sys_freebsd_arm.s
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sys_freebsd_arm64.s
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sys_libc.go
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sys_linux_386.s
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sys_linux_amd64.s
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sys_linux_arm.s
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sys_linux_arm64.s
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sys_linux_loong64.s
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sys_linux_mips64x.s
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sys_linux_mipsx.s
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sys_linux_ppc64x.s
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sys_linux_riscv64.s
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sys_linux_s390x.s
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sys_loong64.go
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sys_mips64x.go
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sys_mipsx.go
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sys_netbsd_386.s
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sys_netbsd_amd64.s
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sys_netbsd_arm.s
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sys_netbsd_arm64.s
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sys_nonppc64x.go
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sys_openbsd.go
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sys_openbsd1.go
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sys_openbsd2.go
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sys_openbsd3.go
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sys_openbsd_386.s
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sys_openbsd_amd64.s
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sys_openbsd_arm.s
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sys_openbsd_arm64.s
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sys_openbsd_mips64.s
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sys_plan9_386.s
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sys_plan9_amd64.s
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sys_plan9_arm.s
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sys_ppc64x.go
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sys_riscv64.go
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sys_s390x.go
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sys_solaris_amd64.s
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sys_wasm.go
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sys_wasm.s
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sys_windows_386.s
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sys_windows_amd64.s
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sys_windows_arm.s
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sys_windows_arm64.s
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sys_x86.go
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syscall2_solaris.go
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syscall_aix.go
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syscall_solaris.go
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syscall_windows.go
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syscall_windows_test.go
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testdata
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textflag.h
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time.go
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time_fake.go
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time_linux_amd64.s
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time_nofake.go
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time_test.go
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time_windows.h
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time_windows_386.s
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time_windows_amd64.s
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time_windows_arm.s
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time_windows_arm64.s
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timeasm.go
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timestub.go
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timestub2.go
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tls_arm.s
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tls_arm64.h
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tls_arm64.s
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tls_loong64.s
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tls_mips64x.s
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tls_mipsx.s
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tls_ppc64x.s
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tls_riscv64.s
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tls_s390x.s
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tls_stub.go
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tls_windows_amd64.go
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trace
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trace.go
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traceback.go
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traceback_test.go
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type.go
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typekind.go
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utf8.go
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vdso_elf32.go
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vdso_elf64.go
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vdso_freebsd.go
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vdso_freebsd_arm.go
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vdso_freebsd_arm64.go
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vdso_freebsd_x86.go
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vdso_in_none.go
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vdso_linux.go
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vdso_linux_386.go
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vdso_linux_amd64.go
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vdso_linux_arm.go
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vdso_linux_arm64.go
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vdso_linux_loong64.go
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vdso_linux_mips64x.go
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vdso_linux_ppc64x.go
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vdso_linux_riscv64.go
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vdso_linux_s390x.go
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vlop_386.s
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vlop_arm.s
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vlop_arm_test.go
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vlrt.go
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wincallback.go
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write_err.go
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write_err_android.go
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zcallback_windows.go
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zcallback_windows.s
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zcallback_windows_arm.s
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zcallback_windows_arm64.s
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Editing: sys_linux_riscv64.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 riscv64, Linux // #include "textflag.h" #include "go_asm.h" #define AT_FDCWD -100 #define CLOCK_REALTIME 0 #define CLOCK_MONOTONIC 1 #define SYS_brk 214 #define SYS_clock_gettime 113 #define SYS_clone 220 #define SYS_close 57 #define SYS_connect 203 #define SYS_epoll_create1 20 #define SYS_epoll_ctl 21 #define SYS_epoll_pwait 22 #define SYS_exit 93 #define SYS_exit_group 94 #define SYS_faccessat 48 #define SYS_fcntl 25 #define SYS_futex 98 #define SYS_getpid 172 #define SYS_gettid 178 #define SYS_gettimeofday 169 #define SYS_kill 129 #define SYS_madvise 233 #define SYS_mincore 232 #define SYS_mmap 222 #define SYS_munmap 215 #define SYS_nanosleep 101 #define SYS_openat 56 #define SYS_pipe2 59 #define SYS_pselect6 72 #define SYS_read 63 #define SYS_rt_sigaction 134 #define SYS_rt_sigprocmask 135 #define SYS_rt_sigreturn 139 #define SYS_sched_getaffinity 123 #define SYS_sched_yield 124 #define SYS_setitimer 103 #define SYS_sigaltstack 132 #define SYS_socket 198 #define SYS_tgkill 131 #define SYS_timer_create 107 #define SYS_timer_delete 111 #define SYS_timer_settime 110 #define SYS_tkill 130 #define SYS_write 64 // func exit(code int32) TEXT runtime路exit(SB),NOSPLIT|NOFRAME,$0-4 MOVW code+0(FP), A0 MOV $SYS_exit_group, A7 ECALL RET // func exitThread(wait *atomic.Uint32) TEXT runtime路exitThread(SB),NOSPLIT|NOFRAME,$0-8 MOV wait+0(FP), A0 // We're done using the stack. FENCE MOVW ZERO, (A0) FENCE MOV $0, A0 // exit code MOV $SYS_exit, A7 ECALL JMP 0(PC) // func open(name *byte, mode, perm int32) int32 TEXT runtime路open(SB),NOSPLIT|NOFRAME,$0-20 MOV $AT_FDCWD, A0 MOV name+0(FP), A1 MOVW mode+8(FP), A2 MOVW perm+12(FP), A3 MOV $SYS_openat, A7 ECALL MOV $-4096, T0 BGEU T0, A0, 2(PC) MOV $-1, A0 MOVW A0, ret+16(FP) RET // func closefd(fd int32) int32 TEXT runtime路closefd(SB),NOSPLIT|NOFRAME,$0-12 MOVW fd+0(FP), A0 MOV $SYS_close, A7 ECALL MOV $-4096, T0 BGEU T0, A0, 2(PC) MOV $-1, A0 MOVW A0, ret+8(FP) RET // func write1(fd uintptr, p unsafe.Pointer, n int32) int32 TEXT runtime路write1(SB),NOSPLIT|NOFRAME,$0-28 MOV fd+0(FP), A0 MOV p+8(FP), A1 MOVW n+16(FP), A2 MOV $SYS_write, A7 ECALL MOVW A0, ret+24(FP) RET // func read(fd int32, p unsafe.Pointer, n int32) int32 TEXT runtime路read(SB),NOSPLIT|NOFRAME,$0-28 MOVW fd+0(FP), A0 MOV p+8(FP), A1 MOVW n+16(FP), A2 MOV $SYS_read, A7 ECALL MOVW A0, ret+24(FP) RET // func pipe2(flags int32) (r, w int32, errno int32) TEXT runtime路pipe2(SB),NOSPLIT|NOFRAME,$0-20 MOV $r+8(FP), A0 MOVW flags+0(FP), A1 MOV $SYS_pipe2, A7 ECALL MOVW A0, errno+16(FP) RET // func usleep(usec uint32) TEXT runtime路usleep(SB),NOSPLIT,$24-4 MOVWU usec+0(FP), A0 MOV $1000, A1 MUL A1, A0, A0 MOV $1000000000, A1 DIV A1, A0, A2 MOV A2, 8(X2) REM A1, A0, A3 MOV A3, 16(X2) ADD $8, X2, A0 MOV ZERO, A1 MOV $SYS_nanosleep, A7 ECALL RET // func gettid() uint32 TEXT runtime路gettid(SB),NOSPLIT,$0-4 MOV $SYS_gettid, A7 ECALL MOVW A0, ret+0(FP) RET // func raise(sig uint32) TEXT runtime路raise(SB),NOSPLIT|NOFRAME,$0 MOV $SYS_gettid, A7 ECALL // arg 1 tid - already in A0 MOVW sig+0(FP), A1 // arg 2 MOV $SYS_tkill, A7 ECALL RET // func raiseproc(sig uint32) TEXT runtime路raiseproc(SB),NOSPLIT|NOFRAME,$0 MOV $SYS_getpid, A7 ECALL // arg 1 pid - already in A0 MOVW sig+0(FP), A1 // arg 2 MOV $SYS_kill, A7 ECALL RET // func getpid() int TEXT 路getpid(SB),NOSPLIT|NOFRAME,$0-8 MOV $SYS_getpid, A7 ECALL MOV A0, ret+0(FP) RET // func tgkill(tgid, tid, sig int) TEXT 路tgkill(SB),NOSPLIT|NOFRAME,$0-24 MOV tgid+0(FP), A0 MOV tid+8(FP), A1 MOV sig+16(FP), A2 MOV $SYS_tgkill, A7 ECALL RET // func setitimer(mode int32, new, old *itimerval) TEXT runtime路setitimer(SB),NOSPLIT|NOFRAME,$0-24 MOVW mode+0(FP), A0 MOV new+8(FP), A1 MOV old+16(FP), A2 MOV $SYS_setitimer, A7 ECALL RET // func timer_create(clockid int32, sevp *sigevent, timerid *int32) int32 TEXT runtime路timer_create(SB),NOSPLIT,$0-28 MOVW clockid+0(FP), A0 MOV sevp+8(FP), A1 MOV timerid+16(FP), A2 MOV $SYS_timer_create, A7 ECALL MOVW A0, ret+24(FP) RET // func timer_settime(timerid int32, flags int32, new, old *itimerspec) int32 TEXT runtime路timer_settime(SB),NOSPLIT,$0-28 MOVW timerid+0(FP), A0 MOVW flags+4(FP), A1 MOV new+8(FP), A2 MOV old+16(FP), A3 MOV $SYS_timer_settime, A7 ECALL MOVW A0, ret+24(FP) RET // func timer_delete(timerid int32) int32 TEXT runtime路timer_delete(SB),NOSPLIT,$0-12 MOVW timerid+0(FP), A0 MOV $SYS_timer_delete, A7 ECALL MOVW A0, ret+8(FP) RET // func mincore(addr unsafe.Pointer, n uintptr, dst *byte) int32 TEXT runtime路mincore(SB),NOSPLIT|NOFRAME,$0-28 MOV addr+0(FP), A0 MOV n+8(FP), A1 MOV dst+16(FP), A2 MOV $SYS_mincore, A7 ECALL MOVW A0, ret+24(FP) RET // func walltime() (sec int64, nsec int32) TEXT runtime路walltime(SB),NOSPLIT,$40-12 MOV $CLOCK_REALTIME, A0 MOV runtime路vdsoClockgettimeSym(SB), A7 BEQZ A7, fallback MOV X2, S2 // S2,S3,S4 is unchanged by C code MOV g_m(g), S3 // S3 = m // Save the old values on stack for reentrant MOV m_vdsoPC(S3), T0 MOV T0, 24(X2) MOV m_vdsoSP(S3), T0 MOV T0, 32(X2) MOV RA, m_vdsoPC(S3) MOV $ret-8(FP), T1 // caller's SP MOV T1, m_vdsoSP(S3) MOV m_curg(S3), T1 BNE g, T1, noswitch MOV m_g0(S3), T1 MOV (g_sched+gobuf_sp)(T1), X2 noswitch: ADDI $-24, X2 // Space for result ANDI $~7, X2 // Align for C code MOV $8(X2), A1 // Store g on gsignal's stack, see sys_linux_arm64.s for detail MOVBU runtime路iscgo(SB), S4 BNEZ S4, nosaveg MOV m_gsignal(S3), S4 // g.m.gsignal BEQZ S4, nosaveg BEQ g, S4, nosaveg MOV (g_stack+stack_lo)(S4), S4 // g.m.gsignal.stack.lo MOV g, (S4) JALR RA, A7 MOV ZERO, (S4) JMP finish nosaveg: JALR RA, A7 finish: MOV 8(X2), T0 // sec MOV 16(X2), T1 // nsec MOV S2, X2 // restore stack MOV 24(X2), A2 MOV A2, m_vdsoPC(S3) MOV 32(X2), A3 MOV A3, m_vdsoSP(S3) MOV T0, sec+0(FP) MOVW T1, nsec+8(FP) RET fallback: MOV $8(X2), A1 MOV $SYS_clock_gettime, A7 ECALL MOV 8(X2), T0 // sec MOV 16(X2), T1 // nsec MOV T0, sec+0(FP) MOVW T1, nsec+8(FP) RET // func nanotime1() int64 TEXT runtime路nanotime1(SB),NOSPLIT,$40-8 MOV $CLOCK_MONOTONIC, A0 MOV runtime路vdsoClockgettimeSym(SB), A7 BEQZ A7, fallback MOV X2, S2 // S2 = RSP, S2 is unchanged by C code MOV g_m(g), S3 // S3 = m // Save the old values on stack for reentrant MOV m_vdsoPC(S3), T0 MOV T0, 24(X2) MOV m_vdsoSP(S3), T0 MOV T0, 32(X2) MOV RA, m_vdsoPC(S3) MOV $ret-8(FP), T0 // caller's SP MOV T0, m_vdsoSP(S3) MOV m_curg(S3), T1 BNE g, T1, noswitch MOV m_g0(S3), T1 MOV (g_sched+gobuf_sp)(T1), X2 noswitch: ADDI $-24, X2 // Space for result ANDI $~7, X2 // Align for C code MOV $8(X2), A1 // Store g on gsignal's stack, see sys_linux_arm64.s for detail MOVBU runtime路iscgo(SB), S4 BNEZ S4, nosaveg MOV m_gsignal(S3), S4 // g.m.gsignal BEQZ S4, nosaveg BEQ g, S4, nosaveg MOV (g_stack+stack_lo)(S4), S4 // g.m.gsignal.stack.lo MOV g, (S4) JALR RA, A7 MOV ZERO, (S4) JMP finish nosaveg: JALR RA, A7 finish: MOV 8(X2), T0 // sec MOV 16(X2), T1 // nsec // restore stack MOV S2, X2 MOV 24(X2), T2 MOV T2, m_vdsoPC(S3) MOV 32(X2), T2 MOV T2, m_vdsoSP(S3) // sec is in T0, nsec in T1 // return nsec in T0 MOV $1000000000, T2 MUL T2, T0 ADD T1, T0 MOV T0, ret+0(FP) RET fallback: MOV $8(X2), A1 MOV $SYS_clock_gettime, A7 ECALL MOV 8(X2), T0 // sec MOV 16(X2), T1 // nsec MOV $1000000000, T2 MUL T2, T0 ADD T1, T0 MOV T0, ret+0(FP) RET // func rtsigprocmask(how int32, new, old *sigset, size int32) TEXT runtime路rtsigprocmask(SB),NOSPLIT|NOFRAME,$0-28 MOVW how+0(FP), A0 MOV new+8(FP), A1 MOV old+16(FP), A2 MOVW size+24(FP), A3 MOV $SYS_rt_sigprocmask, A7 ECALL MOV $-4096, T0 BLTU A0, T0, 2(PC) WORD $0 // crash RET // func rt_sigaction(sig uintptr, new, old *sigactiont, size uintptr) int32 TEXT runtime路rt_sigaction(SB),NOSPLIT|NOFRAME,$0-36 MOV sig+0(FP), A0 MOV new+8(FP), A1 MOV old+16(FP), A2 MOV size+24(FP), A3 MOV $SYS_rt_sigaction, A7 ECALL MOVW A0, ret+32(FP) RET // func sigfwd(fn uintptr, sig uint32, info *siginfo, ctx unsafe.Pointer) TEXT runtime路sigfwd(SB),NOSPLIT,$0-32 MOVW sig+8(FP), A0 MOV info+16(FP), A1 MOV ctx+24(FP), A2 MOV fn+0(FP), T1 JALR RA, T1 RET // func sigtramp(signo, ureg, ctxt unsafe.Pointer) TEXT runtime路sigtramp(SB),NOSPLIT|TOPFRAME,$64 MOVW A0, 8(X2) MOV A1, 16(X2) MOV A2, 24(X2) // this might be called in external code context, // where g is not set. MOVBU runtime路iscgo(SB), A0 BEQ A0, ZERO, 2(PC) CALL runtime路load_g(SB) MOV $runtime路sigtrampgo(SB), A0 JALR RA, A0 RET // func cgoSigtramp() TEXT runtime路cgoSigtramp(SB),NOSPLIT,$0 MOV $runtime路sigtramp(SB), T1 JALR ZERO, T1 // func mmap(addr unsafe.Pointer, n uintptr, prot, flags, fd int32, off uint32) (p unsafe.Pointer, err int) TEXT runtime路mmap(SB),NOSPLIT|NOFRAME,$0 MOV addr+0(FP), A0 MOV n+8(FP), A1 MOVW prot+16(FP), A2 MOVW flags+20(FP), A3 MOVW fd+24(FP), A4 MOVW off+28(FP), A5 MOV $SYS_mmap, A7 ECALL MOV $-4096, T0 BGEU T0, A0, 5(PC) SUB A0, ZERO, A0 MOV ZERO, p+32(FP) MOV A0, err+40(FP) RET ok: MOV A0, p+32(FP) MOV ZERO, err+40(FP) RET // func munmap(addr unsafe.Pointer, n uintptr) TEXT runtime路munmap(SB),NOSPLIT|NOFRAME,$0 MOV addr+0(FP), A0 MOV n+8(FP), A1 MOV $SYS_munmap, A7 ECALL MOV $-4096, T0 BLTU A0, T0, 2(PC) WORD $0 // crash RET // func madvise(addr unsafe.Pointer, n uintptr, flags int32) TEXT runtime路madvise(SB),NOSPLIT|NOFRAME,$0 MOV addr+0(FP), A0 MOV n+8(FP), A1 MOVW flags+16(FP), A2 MOV $SYS_madvise, A7 ECALL MOVW A0, ret+24(FP) RET // func futex(addr unsafe.Pointer, op int32, val uint32, ts, addr2 unsafe.Pointer, val3 uint32) int32 TEXT runtime路futex(SB),NOSPLIT|NOFRAME,$0 MOV addr+0(FP), A0 MOVW op+8(FP), A1 MOVW val+12(FP), A2 MOV ts+16(FP), A3 MOV addr2+24(FP), A4 MOVW val3+32(FP), A5 MOV $SYS_futex, A7 ECALL MOVW A0, ret+40(FP) RET // func clone(flags int32, stk, mp, gp, fn unsafe.Pointer) int32 TEXT runtime路clone(SB),NOSPLIT|NOFRAME,$0 MOVW flags+0(FP), A0 MOV stk+8(FP), A1 // Copy mp, gp, fn off parent stack for use by child. MOV mp+16(FP), T0 MOV gp+24(FP), T1 MOV fn+32(FP), T2 MOV T0, -8(A1) MOV T1, -16(A1) MOV T2, -24(A1) MOV $1234, T0 MOV T0, -32(A1) MOV $SYS_clone, A7 ECALL // In parent, return. BEQ ZERO, A0, child MOVW ZERO, ret+40(FP) RET child: // In child, on new stack. MOV -32(X2), T0 MOV $1234, A0 BEQ A0, T0, good WORD $0 // crash good: // Initialize m->procid to Linux tid MOV $SYS_gettid, A7 ECALL MOV -24(X2), T2 // fn MOV -16(X2), T1 // g MOV -8(X2), T0 // m BEQ ZERO, T0, nog BEQ ZERO, T1, nog MOV A0, m_procid(T0) // In child, set up new stack MOV T0, g_m(T1) MOV T1, g nog: // Call fn JALR RA, T2 // It shouldn't return. If it does, exit this thread. MOV $111, A0 MOV $SYS_exit, A7 ECALL JMP -3(PC) // keep exiting // func sigaltstack(new, old *stackt) TEXT runtime路sigaltstack(SB),NOSPLIT|NOFRAME,$0 MOV new+0(FP), A0 MOV old+8(FP), A1 MOV $SYS_sigaltstack, A7 ECALL MOV $-4096, T0 BLTU A0, T0, 2(PC) WORD $0 // crash RET // func osyield() TEXT runtime路osyield(SB),NOSPLIT|NOFRAME,$0 MOV $SYS_sched_yield, A7 ECALL RET // func sched_getaffinity(pid, len uintptr, buf *uintptr) int32 TEXT runtime路sched_getaffinity(SB),NOSPLIT|NOFRAME,$0 MOV pid+0(FP), A0 MOV len+8(FP), A1 MOV buf+16(FP), A2 MOV $SYS_sched_getaffinity, A7 ECALL MOV A0, ret+24(FP) RET // func epollcreate(size int32) int32 TEXT runtime路epollcreate(SB),NOSPLIT|NOFRAME,$0 MOV $0, A0 MOV $SYS_epoll_create1, A7 ECALL MOVW A0, ret+8(FP) RET // func epollcreate1(flags int32) int32 TEXT runtime路epollcreate1(SB),NOSPLIT|NOFRAME,$0 MOVW flags+0(FP), A0 MOV $SYS_epoll_create1, A7 ECALL MOVW A0, ret+8(FP) RET // func epollctl(epfd, op, fd int32, ev *epollevent) int32 TEXT runtime路epollctl(SB),NOSPLIT|NOFRAME,$0 MOVW epfd+0(FP), A0 MOVW op+4(FP), A1 MOVW fd+8(FP), A2 MOV ev+16(FP), A3 MOV $SYS_epoll_ctl, A7 ECALL MOVW A0, ret+24(FP) RET // func epollwait(epfd int32, ev *epollevent, nev, timeout int32) int32 TEXT runtime路epollwait(SB),NOSPLIT|NOFRAME,$0 MOVW epfd+0(FP), A0 MOV ev+8(FP), A1 MOVW nev+16(FP), A2 MOVW timeout+20(FP), A3 MOV $0, A4 MOV $SYS_epoll_pwait, A7 ECALL MOVW A0, ret+24(FP) RET // func closeonexec(int32) TEXT runtime路closeonexec(SB),NOSPLIT|NOFRAME,$0 MOVW fd+0(FP), A0 // fd MOV $2, A1 // F_SETFD MOV $1, A2 // FD_CLOEXEC MOV $SYS_fcntl, A7 ECALL RET // func sbrk0() uintptr TEXT runtime路sbrk0(SB),NOSPLIT,$0-8 // Implemented as brk(NULL). MOV $0, A0 MOV $SYS_brk, A7 ECALL MOVW A0, ret+0(FP) RET
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