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runtime: delete windows setlasterror (unused)

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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>
This commit is contained in:
Russ Cox 2021-01-30 16:18:51 -05:00
parent 0d94f989d1
commit 678568a5cf
4 changed files with 0 additions and 17 deletions
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1
src/runtime/os_windows.go
View File

@ -379,7 +379,6 @@ const (
// in sys_windows_386.s and sys_windows_amd64.s: // in sys_windows_386.s and sys_windows_amd64.s:
func externalthreadhandler() func externalthreadhandler()
func getlasterror() uint32 func getlasterror() uint32
func setlasterror(err uint32)
// When loading DLLs, we prefer to use LoadLibraryEx with // When loading DLLs, we prefer to use LoadLibraryEx with
// LOAD_LIBRARY_SEARCH_* flags, if available. LoadLibraryEx is not // LOAD_LIBRARY_SEARCH_* flags, if available. LoadLibraryEx is not

5
src/runtime/sys_windows_386.s
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@ -66,11 +66,6 @@ TEXT runtime·getlasterror(SB),NOSPLIT,$0
MOVL AX, ret+0(FP) MOVL AX, ret+0(FP)
RET RET
TEXT runtime·setlasterror(SB),NOSPLIT,$0
MOVL err+0(FP), AX
MOVL AX, 0x34(FS)
RET
// Called by Windows as a Vectored Exception Handler (VEH). // Called by Windows as a Vectored Exception Handler (VEH).
// First argument is pointer to struct containing // First argument is pointer to struct containing
// exception record and context pointers. // exception record and context pointers.

6
src/runtime/sys_windows_amd64.s
View File

@ -103,12 +103,6 @@ TEXT runtime·getlasterror(SB),NOSPLIT,$0
MOVL AX, ret+0(FP) MOVL AX, ret+0(FP)
RET RET
TEXT runtime·setlasterror(SB),NOSPLIT,$0
MOVL err+0(FP), AX
MOVQ 0x30(GS), CX
MOVL AX, 0x68(CX)
RET
// Called by Windows as a Vectored Exception Handler (VEH). // Called by Windows as a Vectored Exception Handler (VEH).
// First argument is pointer to struct containing // First argument is pointer to struct containing
// exception record and context pointers. // exception record and context pointers.

5
src/runtime/sys_windows_arm.s
View File

@ -103,11 +103,6 @@ TEXT runtime·getlasterror(SB),NOSPLIT,$0
MOVW R0, ret+0(FP) MOVW R0, ret+0(FP)
RET RET
TEXT runtime·setlasterror(SB),NOSPLIT|NOFRAME,$0
MRC 15, 0, R1, C13, C0, 2
MOVW R0, 0x34(R1)
RET
// Called by Windows as a Vectored Exception Handler (VEH). // Called by Windows as a Vectored Exception Handler (VEH).
// First argument is pointer to struct containing // First argument is pointer to struct containing
// exception record and context pointers. // exception record and context pointers.