delve/pkg/proc/amd64util/xsave_amd64.s

TEXT ·cpuid(SB),$0-24
	MOVL axIn+0(FP), AX
	MOVL cxIn+4(FP), CX
	CPUID
	MOVL AX, axOut+8(FP)
	MOVL BX, bxOut+12(FP)
	MOVL CX, cxOut+16(FP)
	MOVL DX, dxOut+20(FP)
	RET
proc: use CPUID to determine maximum size of XSAVE area (#2256) the maximum size of the Xsave area was previously hardcoded but the CPUID instruction can be used to determine its maximum size. 2020-12-14 17:39:01 +00:00			`TEXT ·cpuid(SB),$0-24`
			`MOVL axIn+0(FP), AX`
			`MOVL cxIn+4(FP), CX`
			`CPUID`
			`MOVL AX, axOut+8(FP)`
			`MOVL BX, bxOut+12(FP)`
			`MOVL CX, cxOut+16(FP)`
			`MOVL DX, dxOut+20(FP)`
			`RET`