asmi386.h

c++写的一个脚本解释器

#ifdef _MSC_VER
#define C(entrypoint) entrypoint
#define L(label) L##label
#else
#ifdef ASM_UNDERSCORE
#define C(entrypoint) _##entrypoint
#define L(label) L##label
#else
#define C(entrypoint) entrypoint
#define L(label) .L##label
#endif
#endif





#ifdef _MSC_VER
#define INTEL_SYNTAX
#else



#ifdef ASM_UNDERSCORE
#define BSD_SYNTAX
#else
#define ELF_SYNTAX
#endif
#endif

#if defined (BSD_SYNTAX) || defined (ELF_SYNTAX)
#define R(r) %r
#define NUM(n) $##n
#define ADDR(a) $##a
#define X1
#define X2
#define X4
#define X8
#define MEM(base)(R(base))
#define MEM_DISP(base,displacement)displacement(R(base))
#define MEM_INDEX(base,index)(R(base),R(index))
#define MEM_SHINDEX(base,index,size)(R(base),R(index),size)
#define MEM_DISP_SHINDEX0(displacement,index,size)displacement(,R(index),size)
#define MEM_DISP_SHINDEX(base,displacement,index,size)displacement(R(base),R(index),size)
#define INDIR(value)*value
#define INSNCONC(mnemonic,size_suffix)mnemonic##size_suffix
#define INSN1(mnemonic,size_suffix,dst)INSNCONC(mnemonic,size_suffix) dst
#define INSN2(mnemonic,size_suffix,src,dst)INSNCONC(mnemonic,size_suffix) src,dst
#define INSN2MOVX(mnemonic,size_suffix,src,dst)INSNCONC(mnemonic,size_suffix##l) src,dst
#if defined(BSD_SYNTAX) || defined(COHERENT)
#define INSN2SHCL(mnemonic,size_suffix,src,dst)INSNCONC(mnemonic,size_suffix) R(cl),src,dst
#define REPZ repe ;
#else
#define INSN2SHCL(mnemonic,size_suffix,src,dst)INSNCONC(mnemonic,size_suffix) src,dst
#define REPZ repz ;
#endif
#define REP rep ;
#if defined(BSD_SYNTAX) && !(defined(__CYGWIN32__) || defined(__MINGW32__))
#define ALIGN(log) .align log,0x90
#endif
#if defined(ELF_SYNTAX) || defined(__CYGWIN32__) || defined(__MINGW32__)
#define ALIGN(log) .align 1<<log
#endif
#endif
#ifdef INTEL_SYNTAX
#define R(r) r
#define NUM(n) n
#define ADDR(a) OFFSET a
#define X1 BYTE PTR
#define X2 WORD PTR
#define X4 DWORD PTR
#define X8 QWORD PTR
#define MEM(base) [base]
#define MEM_DISP(base,displacement) [base+(displacement)]
#define MEM_INDEX(base,index) [base+index]
#define MEM_SHINDEX(base,index,size) [base+index*size]
#define MEM_DISP_SHINDEX0(displacement,index,size) [(displacement)+index*size]
#define MEM_DISP_SHINDEX(base,displacement,index,size) [base+(displacement)+index*size]
#define INDIR(value)value
#define INSNCONC(mnemonic,suffix)mnemonic##suffix
#define INSN1(mnemonic,size_suffix,dst)mnemonic dst
#define INSN2(mnemonic,size_suffix,src,dst)mnemonic dst,src
#define INSN2MOVX(mnemonic,size_suffix,src,dst)INSNCONC(mnemonic,x) dst,src
#define INSN2SHCL(mnemonic,size_suffix,src,dst)mnemonic dst,src,R(cl)
#define REPZ repz
#define REP rep
#define movsl  movs R(eax)
#define stosl  stos R(eax)
#define scasl  scas R(eax)
#define cmpsl  cmpsd
#ifdef _MSC_VER

#define ALIGN(log)
#else
#define ALIGN(log) .align log
#endif
#endif

#ifdef _MSC_VER

#define TEXT()
#else
#define TEXT() .text
#endif

#ifdef _MSC_VER
#define GLOBL(name)
#else
#define GLOBL(name) .globl name
#endif


#ifdef _MSC_VER
#define DECLARE_FUNCTION(name)
#elif defined(__svr4__) || defined(__ELF__) || defined(__NetBSD__) || defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__ROSE__) || defined(_SEQUENT_) || defined(DGUX) || defined(_SCO_COFF) || defined(_SCO_ELF)
#define DECLARE_FUNCTION(name) .type C(name),@function
#else
#define DECLARE_FUNCTION(name)
#endif


#ifdef _MSC_VER




#define FUNBEGIN(name) __declspec(naked) void name () { __asm {
#define FUNEND()                                      }       }
#else
#define FUNBEGIN(name) C(name##:)
#define FUNEND()
#endif

#define _



TEXT()