ASMGetSegAttr.asm revision 13fbdf4315781565f3f3ca1ca811e533faabff4d
c64777b77514bdc924249d2f9900be25079b0d84vboxsync; IPRT - ASMGetSegAttr().
c626bd8465f241db74519c3c8dbe59ea620a9e34vboxsync; Copyright (C) 2013 Oracle Corporation
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43747b1f0bc8302a238fb35e55857a5e9aa1933dvboxsync;*******************************************************************************
43747b1f0bc8302a238fb35e55857a5e9aa1933dvboxsync;* Header Files *
43747b1f0bc8302a238fb35e55857a5e9aa1933dvboxsync;*******************************************************************************
c64777b77514bdc924249d2f9900be25079b0d84vboxsync; Get the segment attributes for a selector.
c64777b77514bdc924249d2f9900be25079b0d84vboxsync; @param uSel x86: [ebp + 08h] msc: ecx gcc: edi The selector value.
c64777b77514bdc924249d2f9900be25079b0d84vboxsync; @returns Segment attributes on success or ~0U on failure.
c64777b77514bdc924249d2f9900be25079b0d84vboxsync; @remarks Using ~0U for failure is chosen because valid access rights always
c64777b77514bdc924249d2f9900be25079b0d84vboxsync; have bits 0:7 as 0 (on both Intel & AMD).
c64777b77514bdc924249d2f9900be25079b0d84vboxsyncBEGINPROC_EXPORTED ASMGetSegAttr
c64777b77514bdc924249d2f9900be25079b0d84vboxsync%ifdef ASM_CALL64_MSC
c64777b77514bdc924249d2f9900be25079b0d84vboxsync and ecx, 0ffffh
c64777b77514bdc924249d2f9900be25079b0d84vboxsync lar eax, ecx
c64777b77514bdc924249d2f9900be25079b0d84vboxsync%elifdef ASM_CALL64_GCC
c64777b77514bdc924249d2f9900be25079b0d84vboxsync and edi, 0ffffh
274fa6f604b8c189c2872bf928f5557680e4a887vboxsync lar eax, edi
c64777b77514bdc924249d2f9900be25079b0d84vboxsync%elifdef RT_ARCH_X86
c64777b77514bdc924249d2f9900be25079b0d84vboxsync movzx edx, word [esp + 4]
c64777b77514bdc924249d2f9900be25079b0d84vboxsync lar eax, edx
c64777b77514bdc924249d2f9900be25079b0d84vboxsync %error "Which arch is this?"
3942acfaf590eaef4740d7b8a5311bb91e2bed0dvboxsync mov eax, 0ffffffffh
c64777b77514bdc924249d2f9900be25079b0d84vboxsyncENDPROC ASMGetSegAttr