231 lines
4.9 KiB
C
231 lines
4.9 KiB
C
#if !defined(SY__BASE_H)
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#define SY__BASE_H
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////////////////////////////////
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// Context Cracking
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// untangle compiler, os, & architecture
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#if defined(__clang__)
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# define SY__COMPILER_CLANG 1
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# if defined(_WIN32)
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# define SY__OS_WINDOWS 1
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# elif defined(__gnu_linux__)
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# define SY__OS_LINUX 1
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# elif defined(__APPLE__) && defined(__MACH__)
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# define SY__OS_MAC 1
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# else
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# error missing OS detection
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# endif
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# if defined(__amd64__)
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# define SY__ARCH_X64 1
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// TODO(allen): verify this works on clang
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# elif defined(__i386__)
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# define SY__ARCH_X86 1
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// TODO(allen): verify this works on clang
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# elif defined(__arm__)
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# define SY__ARCH_ARM 1
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// TODO(allen): verify this works on clang
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# elif defined(__aarch64__)
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# define SY__ARCH_ARM64 1
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# else
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# error missing SY__ARCH detection
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# endif
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#elif defined(_MSC_VER)
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# define SY__COMPILER_CL 1
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# if defined(_WIN32)
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# define SY__OS_WINDOWS 1
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# else
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# error missing OS detection
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# endif
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# if defined(_M_AMD64)
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# define SY__ARCH_X64 1
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# elif defined(_M_I86)
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# define SY__ARCH_X86 1
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# elif defined(_M_ARM)
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# define SY__ARCH_ARM 1
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// TODO(allen): ARM64?
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# else
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# error missing SY__ARCH detection
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# endif
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#elif defined(__GNUC__)
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# define SY__COMPILER_GCC 1
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# if defined(_WIN32)
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# define SY__OS_WINDOWS 1
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# elif defined(__gnu_linux__)
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# define SY__OS_LINUX 1
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# elif defined(__APPLE__) && defined(__MACH__)
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# define SY__OS_MAC 1
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# else
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# error missing OS detection
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# endif
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# if defined(__amd64__)
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# define SY__ARCH_X64 1
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# elif defined(__i386__)
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# define SY__ARCH_X86 1
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# elif defined(__arm__)
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# define SY__ARCH_ARM 1
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# elif defined(__aarch64__)
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# define SY__ARCH_ARM64 1
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# else
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# error missing SY__ARCH detection
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# endif
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#else
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# error no context cracking for this compiler
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#endif
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#if !defined(SY__COMPILER_CL)
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# define SY__COMPILER_CL 0
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#endif
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#if !defined(SY__COMPILER_CLANG)
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# define SY__COMPILER_CLANG 0
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#endif
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#if !defined(SY__COMPILER_GCC)
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# define SY__COMPILER_GCC 0
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#endif
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#if !defined(SY__OS_WINDOWS)
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# define SY__OS_WINDOWS 0
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#endif
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#if !defined(SY__OS_LINUX)
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# define SY__OS_LINUX 0
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#endif
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#if !defined(SY__OS_MAC)
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# define SY__OS_MAC 0
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#endif
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#if !defined(SY__ARCH_X64)
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# define SY__ARCH_X64 0
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#endif
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#if !defined(SY__ARCH_X86)
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# define SY__ARCH_X86 0
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#endif
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#if !defined(SY__ARCH_ARM)
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# define SY__ARCH_ARM 0
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#endif
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#if !defined(SY__ARCH_ARM64)
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# define SY__ARCH_ARM64 0
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#endif
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// language
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#if defined(__cplusplus)
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# define SY__LANGCXX 1
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#else
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# define SY__LANGC 1
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#endif
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#if !defined(SY__LANGCXX)
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# define SY__LANGCXX 0
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#endif
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#if !defined(SY__LANGC)
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# define SY__LANGC 0
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#endif
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// setup pointer size macro
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#if SY__ARCH_X64 || SY__ARCH_ARM64
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# define SY__ARCH_ADDRSIZE 64
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#else
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# define SY__ARCH_ADDRSIZE 32
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#endif
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////////////////////////////////
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// GLUE(a,b) STRIFY(s)
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#define SY__GLUE__(a,b) a##b
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#define SY__GLUE_(a,b) SY__GLUE__(a,b)
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#define SY__GLUE(a,b) SY__GLUE_(a,b)
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#define SY__STRIFY__(s) #s
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#define SY__STRIFY_(s) SY__STRIFY__(s)
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#define SY__STRIFY(s) SY__STRIFY_(s)
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////////////////////////////////
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// SECTION(<section-name>) <Decl>
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#if SY__COMPILER_CLANG || SY__COMPILER_GCC
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# if SY__OS_MAC
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# define SY__SEC_R(N) __attribute__((__section__("__TEXT,"N)))
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# define SY__SEC_RW(N) __attribute__((__section__("__READ,"N)))
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# else
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# define SY__SEC_R(N) __attribute__((__section__(N)))
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# define SY__SEC_RW(N) __attribute__((__section__(N)))
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# endif
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#elif SY__COMPILER_CL
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# define SY__SEC_R(N) __declspec(allocate(N))
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# define SY__SEC_RW(N) __declspec(allocate(N))
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#else
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# error SY__SEC_R/SY__SEC_RW not defined for this compiler/OS
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#endif
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// for CL users: #pragma section(<section>,read,write)
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////////////////////////////////
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// DO_NOT_ELIMINATE
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#if SY__OS_WINDOWS
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# define SY__DO_NOT_ELIMINATE__S0(N) __pragma(comment(linker,"/include:" #N))
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# define SY__DO_NOT_ELIMINATE__S1(N) SY__DO_NOT_ELIMINATE__S0(N)
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# define SY__DO_NOT_ELIMINATE(N) SY__DO_NOT_ELIMINATE__S1(N)
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#else
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# define SY__DO_NOT_ELIMINATE(N)
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#endif
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////////////////////////////////
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// ALIGN_AS_LIT
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#if SY__COMPILER_CL
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# define SY__ALIGN_AS_LIT(n) __declspec(align(n))
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#elif SY__COMPILER_CLANG || SY__COMPILER_GCC
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# define SY__ALIGN_AS_LIT(n) __attribute__(( __aligned__(n) ))
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#else
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# error SY__ALIGN_AS_LIT not defined for this compiler
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#endif
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////////////////////////////////
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// ROUND_UP_POW2
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#define SY__ROUND_UP_POW2(x,p) (((x) + (p) - 1)&~((p) - 1))
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////////////////////////////////
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// Types
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#if !defined(SY__TYPES)
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# include <stdint.h>
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typedef int8_t SY__S8;
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typedef int16_t SY__S16;
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typedef int32_t SY__S32;
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typedef int64_t SY__S64;
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typedef uint8_t SY__U8;
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typedef uint16_t SY__U16;
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typedef uint32_t SY__U32;
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typedef uint64_t SY__U64;
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typedef SY__S8 SY__B8;
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typedef SY__S16 SY__B16;
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typedef SY__S32 SY__B32;
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typedef SY__S64 SY__B64;
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typedef float SY__F32;
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typedef double SY__F64;
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# if SY__ARCH_ADDRSIZE == 32
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typedef SY__U32 SY__UAddr;
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typedef SY__S32 SY__SAddr;
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# elif SY__ARCH_ADDRSIZE == 64
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typedef SY__U64 SY__UAddr;
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typedef SY__S64 SY__SAddr;
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# else
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# error SY__UAddr and SY__SAddr not defined for this architecture
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# endif
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#endif
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#endif
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