diff options
Diffstat (limited to 'ANDROID_3.4.5/arch/x86/include/asm/user.h')
| -rw-r--r-- | ANDROID_3.4.5/arch/x86/include/asm/user.h | 63 |
1 files changed, 0 insertions, 63 deletions
diff --git a/ANDROID_3.4.5/arch/x86/include/asm/user.h b/ANDROID_3.4.5/arch/x86/include/asm/user.h deleted file mode 100644 index 24532c7d..00000000 --- a/ANDROID_3.4.5/arch/x86/include/asm/user.h +++ /dev/null @@ -1,63 +0,0 @@ -#ifndef _ASM_X86_USER_H -#define _ASM_X86_USER_H - -#ifdef CONFIG_X86_32 -# include "user_32.h" -#else -# include "user_64.h" -#endif - -#include <asm/types.h> - -struct user_ymmh_regs { - /* 16 * 16 bytes for each YMMH-reg */ - __u32 ymmh_space[64]; -}; - -struct user_xsave_hdr { - __u64 xstate_bv; - __u64 reserved1[2]; - __u64 reserved2[5]; -}; - -/* - * The structure layout of user_xstateregs, used for exporting the - * extended register state through ptrace and core-dump (NT_X86_XSTATE note) - * interfaces will be same as the memory layout of xsave used by the processor - * (except for the bytes 464..511, which can be used by the software) and hence - * the size of this structure varies depending on the features supported by the - * processor and OS. The size of the structure that users need to use can be - * obtained by doing: - * cpuid_count(0xd, 0, &eax, &ptrace_xstateregs_struct_size, &ecx, &edx); - * i.e., cpuid.(eax=0xd,ecx=0).ebx will be the size that user (debuggers, etc.) - * need to use. - * - * For now, only the first 8 bytes of the software usable bytes[464..471] will - * be used and will be set to OS enabled xstate mask (which is same as the - * 64bit mask returned by the xgetbv's xCR0). Users (analyzing core dump - * remotely, etc.) can use this mask as well as the mask saved in the - * xstate_hdr bytes and interpret what states the processor/OS supports - * and what states are in modified/initialized conditions for the - * particular process/thread. - * - * Also when the user modifies certain state FP/SSE/etc through the - * ptrace interface, they must ensure that the xsave_hdr.xstate_bv - * bytes[512..519] of the memory layout are updated correspondingly. - * i.e., for example when FP state is modified to a non-init state, - * xsave_hdr.xstate_bv's bit 0 must be set to '1', when SSE is modified to - * non-init state, xsave_hdr.xstate_bv's bit 1 must to be set to '1', etc. - */ -#define USER_XSTATE_FX_SW_WORDS 6 -#define USER_XSTATE_XCR0_WORD 0 - -struct user_xstateregs { - struct { - __u64 fpx_space[58]; - __u64 xstate_fx_sw[USER_XSTATE_FX_SW_WORDS]; - } i387; - struct user_xsave_hdr xsave_hdr; - struct user_ymmh_regs ymmh; - /* further processor state extensions go here */ -}; - -#endif /* _ASM_X86_USER_H */ |