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initial recleaning of this mess, preparing for merge of JIT proper

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--HG--
extra : convert_revision : svn%3A39bc706e-5318-0410-9160-8a85361fbb7c/trunk%4074
This commit is contained in:
David Anderson
2006-09-20 01:59:56 +00:00
parent 302636d5e0
commit 45aa735928
9 changed files with 795 additions and 421 deletions
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sourcepawn/vm/jit/jit_helpers.h
+47 -21
View File
@@ -1,5 +1,5 @@
#ifndef _INCLUDE_AMX_JIT_H
#define _INCLUDE_AMX_JIT_H
#ifndef _INCLUDE_SOURCEPAWN_JIT_HELPERS_H_
#define _INCLUDE_SOURCEPAWN_JIT_HELPERS_H_
#include <sp_vm_types.h>
@@ -23,27 +23,53 @@ typedef unsigned __int64 jit_uint64_t;
typedef char * jitcode_t;
typedef unsigned int jitoffs_t;
//functions for writing to a JIT
typedef struct tagJITWRITEFUNCS
class JitWriter
{
//Reading from the input stream
cell_t (*read_cell)(struct tagJITINFO *);
cell_t *(*read_cellptr)(struct tagJITINFO *);
//Writing to the output stream
void (*write_ubyte)(struct tagJITINFO *, jit_uint8_t);
void (*write_byte)(struct tagJITINFO *, jit_int8_t);
void (*write_int32)(struct tagJITINFO *, jit_int32_t);
void (*write_int64)(struct tagJITINFO *, jit_int64_t);
//helpers
jitoffs_t (*jit_curpos)(struct tagJITINFO *);
} jitwritefuncs_t;
typedef struct tagJITINFO
{
jitwritefuncs_t wrfuncs;
public:
inline cell_t read_cell()
{
cell_t val = *(inptr);
inptr++;
return val;
}
inline cell_t read_cellptr()
{
cell_t *val = *(cell_t **)(inptr);
inptr++;
return val;
}
inline void write_ubyte(jit_uint8_t c)
{
if (outptr)
{
*outptr = c;
}
outptr++;
}
inline void write_byte(jit_int8_t c)
{
if (outptr)
{
*outptr = c;
}
outptr++;
}
inline void write_int32(jit_int32_t c)
{
if (outptr)
{
*(jit_int32_t *)ptr = c;
}
outptr += sizeof(jit_int32_t);
}
inline jitoffs_t jit_curpos()
{
return (outptr - outbase);
}
public:
cell_t *inptr; /* input pointer */
jitcode_t outbase; /* output pointer */
jitcode_t outptr; /* output base */
} jitinfo_t;
};
#endif //_INCLUDE_AMX_JIT_H
#endif //_INCLUDE_SOURCEPAWN_JIT_HELPERS_H_