diff -r 2932488196a2 -r 6148f78000ae sourcepawn/include/sp_vm_types.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/sourcepawn/include/sp_vm_types.h	Sat Jul 29 21:02:28 2006 +0000
@@ -0,0 +1,202 @@
+#ifndef _INCLUDE_SOURCEPAWN_VM_TYPES_H
+#define _INCLUDE_SOURCEPAWN_VM_TYPES_H
+
+#include "sp_file_headers.h"
+
+typedef	uint32_t	ucell_t;
+typedef int32_t		cell_t;
+
+/**
+ * Error codes
+ */
+#define SP_ERR_NONE					0
+#define SP_ERR_FILE_FORMAT			1	/* File format unrecognized */
+#define SP_ERR_DECOMPRESSOR			2	/* A decompressor was not found */
+
+/**********************************************
+ *** The following structures are reference structures.
+ *** They are not essential to the API, but are used
+ ***  to hold the backend database format of the plugin
+ ***  binary.
+ **********************************************/
+
+/**
+ * Information about the core plugin tables.
+ * These may or may not be present!
+ */
+typedef struct sp_plugin_infotab_t
+{
+	const char *stringbase;		/* base of string table */
+	uint32_t	publics_num;	/* number of publics */
+	sp_file_publics_t *publics;	/* public table */
+	uint32_t	natives_num;	/* number of natives */
+	sp_file_natives_t *natives; /* native table */
+	uint32_t	pubvars_num;	/* number of pubvars */
+	sp_file_pubvars_t *pubvars;	/* pubvars table */	
+} sp_plugin_infotab_s;
+
+/**
+ * Information about the plugin's debug tables.
+ * These are all present if one is present.
+ */
+typedef struct sp_plugin_debug_t
+{
+	const char *stringbase;		/* base of string table */
+	uint32_t	files_num;		/* number of files */
+	sp_fdbg_file_t *files;		/* files table */
+	uint32_t	lines_num;		/* number of lines */
+	sp_fdbg_line_t *lines;		/* lines table */
+	uint32_t	syms_num;		/* number of symbols */
+	sp_fdbg_symbol_t *symbols;	/* symbol table */
+} sp_plugin_debug_s;
+
+#define SP_FA_SELF_EXTERNAL		(1<<0)
+#define SP_FA_BASE_EXTERNAL		(1<<1)
+
+/**
+ * The rebased, in-memory format of a plugin.
+ * This differs from the on-disk structure to ensure
+ *  that the format is properly read.
+ */
+typedef struct sp_plugin_t
+{
+	uint8_t		*base;			/* base of memory */
+	uint8_t		*pcode;			/* p-code */
+	uint32_t	pcode_size;		/* size of p-code */
+	uint8_t		*data;			/* data size */
+	uint32_t	data_size;		/* size of data */
+	uint32_t	memory;			/* required memory */
+	uint16_t	flags;			/* code flags */
+	uint32_t	allocflags;		/* allocation flags */
+	sp_plugin_infotab_t *info;	/* base info table */
+	sp_plugin_debug_t *debug;	/* debug info table */
+} sp_plugin_s;
+
+struct sp_context_s;
+typedef int (*SPVM_NATIVE_FUNC)(sp_context_s *, cell_t *);
+
+/**********************************************
+ *** The following structures are bound to the VM/JIT.
+ *** Changing them will result in necessary recompilation.
+ **********************************************/
+
+/**
+ * Offsets and names to a public function.
+ * By default, these point back to the string table 
+ *  in the sp_plugin_infotab_t structure.
+ */
+typedef struct sp_public_t
+{
+	uint32_t	offs;		/* code offset */
+	const char *name;		/* name */
+} sp_publics_s;
+
+/**
+ * Offsets and names to public variables.
+ * The offset is relocated and the name by default
+ *  points back to the sp_plugin_infotab_t structure.
+ */
+typedef struct sp_pubvar_t
+{
+	cell_t	   *offs;		/* pointer to data */
+	const char *name;		/* name */
+} sp_pubvar_t 
+
+#define SP_NATIVE_NONE		(0)		/* Native is not yet found */
+#define SP_NATIVE_OKAY		(1)		/* Native has been added */
+#define SP_NATIVE_PENDING	(2)		/* Native is marked as usable but replaceable */
+
+/** 
+ * Native lookup table, by default names
+ *  point back to the sp_plugin_infotab_t structure.
+ * A native is NULL if unit
+ */
+typedef struct sp_native_t
+{
+	SPVM_NATIVE_FUNC	pfn;	/* function pointer */
+	const char *		name;	/* name of function */
+	uint32_t			status;	/* status flags */
+} sp_native_t;
+
+/** 
+ * Debug file table
+ */
+typedef struct sp_debug_file_s
+{
+	uint32_t		addr;	/* address into code */
+	const char *	name;	/* name of file */
+} sp_debug_file_t;
+
+/**
+ * Note that line is missing.  It is not necessary since
+ *  this can be retrieved from the base plugin info.
+ */
+typedef struct sp_debug_line_s
+{
+	uint32_t		addr;	/* address into code */
+	uint32_t		line;	/* line no. */
+} sp_debug_line_t;
+
+typedef sp_fdbg_arraydim_t	sp_debug_arraydim_t;
+
+/**
+ * The majority of this struct is already located in the parent 
+ *  block.  Thus, only the relocated portions are required.
+ */
+typedef struct sp_debug_symbol_s
+{
+	uint32_t		codestart;	/* relocated code address */
+	uint32_t		codeend;	/* relocated code end address */
+	const char *	name;		/* relocated name */
+	sp_debug_arraydim_t *dims;	/* relocated dimension struct, if any */
+	sp_fdbg_symbol_t	*sym;	/* pointer to original symbol */
+} sp_debug_symbol_t;
+
+/**
+ * Executes a Context.
+ * @sp_context_s	- Execution Context
+ * @uint32_t		- Offset from code pointer
+ * @res				- return value of function
+ * @return			- error code (0=none)
+ */
+typedef int (*SPVM_EXEC)(struct sp_context_s *,
+							uint32_t,
+							cell_t *res);
+
+#define SP_CONTEXT_DEBUG			(1<<0)		/* in debug mode */
+#define SP_CONTEXT_INHERIT_MEMORY	(1<<1)		/* inherits memory pointers */
+#define SP_CONTEXT_INHERIT_CODE		(1<<2)		/* inherits code pointers */
+
+/**
+ * This is the heart of the VM.  It contains all of the runtime
+ *  information about a plugin context.  
+ * It is split into three sections.
+ */
+typedef struct sp_context_s
+{
+	/* parent information */
+	void			*base;		/* base of generated code and memory */
+	sp_plugin_t		*plugin;	/* pointer back to parent information */
+	struct sp_context_s *parent;	/* pointer to parent context */
+	uint32_t		flags;		/* context flags */
+	/* execution specific data */
+	SPVM_EXEC		exec;		/* execution base */
+	cell_t			pri;		/* PRI register */
+	cell_t			alt;		/* ALT register */
+	cell_t			*data;		/* data chunk */
+	cell_t			*heap;		/* pointer after data for start of heap */
+	cell_t			*sp;		/* stack pointer */
+	ucell_t			memory;		/* total memory size; */
+	int32_t			err;		/* error code */
+	uint32_t		pushcount;	/* push count */
+	/* context rebased database */
+	sp_public_t		*publics	/* public functions table */
+	sp_pubvar_t		*pubvars;	/* public variables table */
+	sp_native_t		*natives;	/* natives table */
+	sp_debug_file_t	*files;		/* files */
+	sp_debug_line_t	*lines;		/* lines */
+	sp_debug_symbol_t *symbols;	/* symbols */
+} sp_context_t;
+								
+#endif //_INCLUDE_SOURCEPAWN_VM_TYPES_H
+