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Unified Diff: third_party/lzma_sdk/CpuArch.h

Issue 1700453002: Update lzma_sdk sources to 15.14. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Chromium modifications Created 4 years, 10 months ago
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Index: third_party/lzma_sdk/CpuArch.h
diff --git a/third_party/lzma_sdk/CpuArch.h b/third_party/lzma_sdk/CpuArch.h
index 8c0c84d6fcb78621dac68d2f2facd15cad64904a..f6a28ba7e67119118c95eaba8f264e22399e24d0 100644
--- a/third_party/lzma_sdk/CpuArch.h
+++ b/third_party/lzma_sdk/CpuArch.h
@@ -1,28 +1,34 @@
/* CpuArch.h -- CPU specific code
-2010-10-26: Igor Pavlov : Public domain */
+2015-12-01: Igor Pavlov : Public domain */
#ifndef __CPU_ARCH_H
#define __CPU_ARCH_H
-#include <stdlib.h>
-#include "Types.h"
+#include "7zTypes.h"
EXTERN_C_BEGIN
/*
MY_CPU_LE means that CPU is LITTLE ENDIAN.
-If MY_CPU_LE is not defined, we don't know about that property of platform (it can be LITTLE ENDIAN).
+MY_CPU_BE means that CPU is BIG ENDIAN.
+If MY_CPU_LE and MY_CPU_BE are not defined, we don't know about ENDIANNESS of platform.
MY_CPU_LE_UNALIGN means that CPU is LITTLE ENDIAN and CPU supports unaligned memory accesses.
-If MY_CPU_LE_UNALIGN is not defined, we don't know about these properties of platform.
*/
-#if defined(_M_X64) || defined(_M_AMD64) || defined(__x86_64__)
-#define MY_CPU_AMD64
+#if defined(_M_X64) \
+ || defined(_M_AMD64) \
+ || defined(__x86_64__) \
+ || defined(__AMD64__) \
+ || defined(__amd64__)
+ #define MY_CPU_AMD64
#endif
-#if defined(MY_CPU_AMD64) || defined(_M_IA64)
-#define MY_CPU_64BIT
+#if defined(MY_CPU_AMD64) \
+ || defined(_M_IA64) \
+ || defined(__AARCH64EL__) \
+ || defined(__AARCH64EB__)
+ #define MY_CPU_64BIT
#endif
#if defined(_M_IX86) || defined(__i386__)
@@ -33,8 +39,13 @@ If MY_CPU_LE_UNALIGN is not defined, we don't know about these properties of pla
#define MY_CPU_X86_OR_AMD64
#endif
-#if defined(MY_CPU_X86) || defined(_M_ARM)
-#define MY_CPU_32BIT
+#if defined(MY_CPU_X86) \
+ || defined(_M_ARM) \
+ || defined(__ARMEL__) \
+ || defined(__THUMBEL__) \
+ || defined(__ARMEB__) \
+ || defined(__THUMBEB__)
+ #define MY_CPU_32BIT
#endif
#if defined(_WIN32) && defined(_M_ARM)
@@ -45,34 +56,63 @@ If MY_CPU_LE_UNALIGN is not defined, we don't know about these properties of pla
#define MY_CPU_IA64_LE
#endif
-#if defined(MY_CPU_X86_OR_AMD64)
-#define MY_CPU_LE_UNALIGN
-#endif
-
-#if defined(MY_CPU_X86_OR_AMD64) || defined(MY_CPU_ARM_LE) || defined(MY_CPU_IA64_LE) || defined(__ARMEL__) || defined(__MIPSEL__) || defined(__LITTLE_ENDIAN__)
-#define MY_CPU_LE
+#if defined(MY_CPU_X86_OR_AMD64) \
+ || defined(MY_CPU_ARM_LE) \
+ || defined(MY_CPU_IA64_LE) \
+ || defined(__LITTLE_ENDIAN__) \
+ || defined(__ARMEL__) \
+ || defined(__THUMBEL__) \
+ || defined(__AARCH64EL__) \
+ || defined(__MIPSEL__) \
+ || defined(__MIPSEL) \
+ || defined(_MIPSEL) \
+ || (defined(__BYTE_ORDER__) && (__BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__))
+ #define MY_CPU_LE
#endif
-#if defined(__BIG_ENDIAN__)
-#define MY_CPU_BE
+#if defined(__BIG_ENDIAN__) \
+ || defined(__ARMEB__) \
+ || defined(__THUMBEB__) \
+ || defined(__AARCH64EB__) \
+ || defined(__MIPSEB__) \
+ || defined(__MIPSEB) \
+ || defined(_MIPSEB) \
+ || defined(__m68k__) \
+ || defined(__s390__) \
+ || defined(__s390x__) \
+ || defined(__zarch__) \
+ || (defined(__BYTE_ORDER__) && (__BYTE_ORDER__ == __ORDER_BIG_ENDIAN__))
+ #define MY_CPU_BE
#endif
#if defined(MY_CPU_LE) && defined(MY_CPU_BE)
Stop_Compiling_Bad_Endian
#endif
+
+#ifdef MY_CPU_LE
+ #if defined(MY_CPU_X86_OR_AMD64) \
+ /* || defined(__AARCH64EL__) */
+ #define MY_CPU_LE_UNALIGN
+ #endif
+#endif
+
+
#ifdef MY_CPU_LE_UNALIGN
-#define GetUi16(p) (*(const UInt16 *)(p))
-#define GetUi32(p) (*(const UInt32 *)(p))
-#define GetUi64(p) (*(const UInt64 *)(p))
-#define SetUi16(p, d) *(UInt16 *)(p) = (d);
-#define SetUi32(p, d) *(UInt32 *)(p) = (d);
-#define SetUi64(p, d) *(UInt64 *)(p) = (d);
+#define GetUi16(p) (*(const UInt16 *)(const void *)(p))
+#define GetUi32(p) (*(const UInt32 *)(const void *)(p))
+#define GetUi64(p) (*(const UInt64 *)(const void *)(p))
+
+#define SetUi16(p, v) { *(UInt16 *)(p) = (v); }
+#define SetUi32(p, v) { *(UInt32 *)(p) = (v); }
+#define SetUi64(p, v) { *(UInt64 *)(p) = (v); }
#else
-#define GetUi16(p) (((const Byte *)(p))[0] | ((UInt16)((const Byte *)(p))[1] << 8))
+#define GetUi16(p) ( (UInt16) ( \
+ ((const Byte *)(p))[0] | \
+ ((UInt16)((const Byte *)(p))[1] << 8) ))
#define GetUi32(p) ( \
((const Byte *)(p))[0] | \
@@ -82,29 +122,43 @@ Stop_Compiling_Bad_Endian
#define GetUi64(p) (GetUi32(p) | ((UInt64)GetUi32(((const Byte *)(p)) + 4) << 32))
-#define SetUi16(p, d) { UInt32 _x_ = (d); \
- ((Byte *)(p))[0] = (Byte)_x_; \
- ((Byte *)(p))[1] = (Byte)(_x_ >> 8); }
+#define SetUi16(p, v) { Byte *_ppp_ = (Byte *)(p); UInt32 _vvv_ = (v); \
+ _ppp_[0] = (Byte)_vvv_; \
+ _ppp_[1] = (Byte)(_vvv_ >> 8); }
-#define SetUi32(p, d) { UInt32 _x_ = (d); \
- ((Byte *)(p))[0] = (Byte)_x_; \
- ((Byte *)(p))[1] = (Byte)(_x_ >> 8); \
- ((Byte *)(p))[2] = (Byte)(_x_ >> 16); \
- ((Byte *)(p))[3] = (Byte)(_x_ >> 24); }
+#define SetUi32(p, v) { Byte *_ppp_ = (Byte *)(p); UInt32 _vvv_ = (v); \
+ _ppp_[0] = (Byte)_vvv_; \
+ _ppp_[1] = (Byte)(_vvv_ >> 8); \
+ _ppp_[2] = (Byte)(_vvv_ >> 16); \
+ _ppp_[3] = (Byte)(_vvv_ >> 24); }
-#define SetUi64(p, d) { UInt64 _x64_ = (d); \
- SetUi32(p, (UInt32)_x64_); \
- SetUi32(((Byte *)(p)) + 4, (UInt32)(_x64_ >> 32)); }
+#define SetUi64(p, v) { Byte *_ppp2_ = (Byte *)(p); UInt64 _vvv2_ = (v); \
+ SetUi32(_ppp2_ , (UInt32)_vvv2_); \
+ SetUi32(_ppp2_ + 4, (UInt32)(_vvv2_ >> 32)); }
#endif
-#if defined(MY_CPU_LE_UNALIGN) && defined(_WIN64) && (_MSC_VER >= 1300)
+
+#if defined(MY_CPU_LE_UNALIGN) && /* defined(_WIN64) && */ (_MSC_VER >= 1300)
+
+/* Note: we use bswap instruction, that is unsupported in 386 cpu */
+
+#include <stdlib.h>
#pragma intrinsic(_byteswap_ulong)
#pragma intrinsic(_byteswap_uint64)
#define GetBe32(p) _byteswap_ulong(*(const UInt32 *)(const Byte *)(p))
#define GetBe64(p) _byteswap_uint64(*(const UInt64 *)(const Byte *)(p))
+#define SetBe32(p, v) (*(UInt32 *)(void *)(p)) = _byteswap_ulong(v)
+
+#elif defined(MY_CPU_LE_UNALIGN) && defined (__GNUC__) && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 3))
+
+#define GetBe32(p) __builtin_bswap32(*(const UInt32 *)(const Byte *)(p))
+#define GetBe64(p) __builtin_bswap64(*(const UInt64 *)(const Byte *)(p))
+
+#define SetBe32(p, v) (*(UInt32 *)(void *)(p)) = __builtin_bswap32(v)
+
#else
#define GetBe32(p) ( \
@@ -115,9 +169,19 @@ Stop_Compiling_Bad_Endian
#define GetBe64(p) (((UInt64)GetBe32(p) << 32) | GetBe32(((const Byte *)(p)) + 4))
+#define SetBe32(p, v) { Byte *_ppp_ = (Byte *)(p); UInt32 _vvv_ = (v); \
+ _ppp_[0] = (Byte)(_vvv_ >> 24); \
+ _ppp_[1] = (Byte)(_vvv_ >> 16); \
+ _ppp_[2] = (Byte)(_vvv_ >> 8); \
+ _ppp_[3] = (Byte)_vvv_; }
+
#endif
-#define GetBe16(p) (((UInt16)((const Byte *)(p))[0] << 8) | ((const Byte *)(p))[1])
+
+#define GetBe16(p) ( (UInt16) ( \
+ ((UInt16)((const Byte *)(p))[0] << 8) | \
+ ((const Byte *)(p))[1] ))
+
#ifdef MY_CPU_X86_OR_AMD64
@@ -139,12 +203,14 @@ enum
CPU_FIRM_VIA
};
+void MyCPUID(UInt32 function, UInt32 *a, UInt32 *b, UInt32 *c, UInt32 *d);
+
Bool x86cpuid_CheckAndRead(Cx86cpuid *p);
int x86cpuid_GetFirm(const Cx86cpuid *p);
-#define x86cpuid_GetFamily(p) (((p)->ver >> 8) & 0xFF00F)
-#define x86cpuid_GetModel(p) (((p)->ver >> 4) & 0xF00F)
-#define x86cpuid_GetStepping(p) ((p)->ver & 0xF)
+#define x86cpuid_GetFamily(ver) (((ver >> 16) & 0xFF0) | ((ver >> 8) & 0xF))
+#define x86cpuid_GetModel(ver) (((ver >> 12) & 0xF0) | ((ver >> 4) & 0xF))
+#define x86cpuid_GetStepping(ver) (ver & 0xF)
Bool CPU_Is_InOrder();
Bool CPU_Is_Aes_Supported();
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