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runtime: delete windows setlasterror (unused)
This is dead code and need not be ported to each architecture. This CL is part of a stack adding windows/arm64 support (#36439), intended to land in the Go 1.17 cycle. This CL is, however, not windows/arm64-specific. It is cleanup meant to make the port (and future ports) easier. Change-Id: I2d0072b377f73e49d7158ea304670c26f5486c59 Reviewed-on: https://go-review.googlesource.com/c/go/+/288794 Trust: Russ Cox <rsc@golang.org> Trust: Jason A. Donenfeld <Jason@zx2c4.com> Reviewed-by: Alex Brainman <alex.brainman@gmail.com> Reviewed-by: Cherry Zhang <cherryyz@google.com> Reviewed-by: Jason A. Donenfeld <Jason@zx2c4.com>
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@ -379,7 +379,6 @@ const (
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// in sys_windows_386.s and sys_windows_amd64.s:
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func externalthreadhandler()
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func getlasterror() uint32
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func setlasterror(err uint32)
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// When loading DLLs, we prefer to use LoadLibraryEx with
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// LOAD_LIBRARY_SEARCH_* flags, if available. LoadLibraryEx is not
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@ -66,11 +66,6 @@ TEXT runtime·getlasterror(SB),NOSPLIT,$0
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MOVL AX, ret+0(FP)
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RET
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TEXT runtime·setlasterror(SB),NOSPLIT,$0
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MOVL err+0(FP), AX
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MOVL AX, 0x34(FS)
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RET
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// Called by Windows as a Vectored Exception Handler (VEH).
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// First argument is pointer to struct containing
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// exception record and context pointers.
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@ -103,12 +103,6 @@ TEXT runtime·getlasterror(SB),NOSPLIT,$0
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MOVL AX, ret+0(FP)
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RET
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TEXT runtime·setlasterror(SB),NOSPLIT,$0
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MOVL err+0(FP), AX
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MOVQ 0x30(GS), CX
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MOVL AX, 0x68(CX)
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RET
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// Called by Windows as a Vectored Exception Handler (VEH).
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// First argument is pointer to struct containing
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// exception record and context pointers.
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@ -103,11 +103,6 @@ TEXT runtime·getlasterror(SB),NOSPLIT,$0
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MOVW R0, ret+0(FP)
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RET
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TEXT runtime·setlasterror(SB),NOSPLIT|NOFRAME,$0
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MRC 15, 0, R1, C13, C0, 2
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MOVW R0, 0x34(R1)
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RET
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// Called by Windows as a Vectored Exception Handler (VEH).
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// First argument is pointer to struct containing
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// exception record and context pointers.
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