src/interpret.c File Reference

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Detailed Description

Bytecode interpreter.

Definition in file interpret.c.

#include "crogue.h"

Go to the source code of this file.

Data Structures
union	instruction_args
Defines
#define	INLINE   inline
#define	OP_NOP   0x00
#define	OP_HALT   0x01
#define	OP_DISC   0x02
#define	OP_DISCN   0x03
#define	OP_DUP   0x04
#define	OP_ALLOCA   0x05
#define	OP_RET   0x10
#define	OP_CALL   0x11
#define	OP_STA   0x12
#define	OP_MVA   0x13
#define	OP_LINK   0x14
#define	OP_CCALL   0x15
#define	OP_LDR   0x20
#define	OP_LDR2   0x21
#define	OP_STR   0x22
#define	OP_MOV   0x23
#define	OP_LDIB   0x24
#define	OP_LDIW   0x25
#define	OP_LDIL   0x26
#define	OP_LDIZ   0x27
#define	OP_LDIO   0x28
#define	OP_ADD   0x30
#define	OP_SUB   0x31
#define	OP_MUL   0x32
#define	OP_DIV   0x33
#define	OP_MOD   0x34
#define	OP_ASL   0x35
#define	OP_ASR   0x36
#define	OP_AND   0x37
#define	OP_OR   0x38
#define	OP_XOR   0x39
#define	OP_NEG   0x3A
#define	OP_INCR   0x3B
#define	OP_DECR   0x3C
#define	OP_BOOL   0x40
#define	OP_BOOL2   0x41
#define	OP_NOT   0x42
#define	OP_TEQ   0x43
#define	OP_TLT   0x44
#define	OP_TGT   0x45
#define	OP_JMPB   0x50
#define	OP_JMPW   0x51
#define	OP_JMPL   0x52
#define	OP_BRAB   0x53
#define	OP_BRAW   0x54
#define	OP_BRAL   0x55
#define	OP_DEREFB   0x60
#define	OP_DEREFW   0x61
#define	OP_DEREFL   0x62
#define	OP_POKEB   0x63
#define	OP_POKEW   0x64
#define	OP_POKEL   0x65
#define	OP_LDLBL   0x66
#define	pop_stack()   (*(--stack_pos))
#define	push_stack(n)   (*(stack_pos++) = (n))
#define	write_arg(v)   (*(arg_pos++) = (v))
#define	load_register(n)   (register_pos[n])
#define	save_register(n, v)   (register_pos[n] = (v))
#define	start_args()   (arg_pos = register_pos + register_used + 1)
Typedefs
typedef instruction_args	instruction_args_t
Functions
const char *	interp_func_name (const char *pos)
long	run_program (const unsigned char *program_data, int num_params, va_list params)
Variables
const char *	interpreter_call_stack [32]
int	interpreter_call_stack_pos = 0

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Define Documentation

#define INLINE   inline

Definition at line 34 of file interpret.c.

#define load_register (  n   )     (register_pos[n])

Definition at line 122 of file interpret.c. Referenced by run_program().

#define OP_ADD   0x30

Definition at line 66 of file interpret.c. Referenced by run_program().

#define OP_ALLOCA   0x05

Definition at line 44 of file interpret.c. Referenced by run_program().

#define OP_AND   0x37

Definition at line 73 of file interpret.c. Referenced by run_program().

#define OP_ASL   0x35

Definition at line 71 of file interpret.c. Referenced by run_program().

#define OP_ASR   0x36

Definition at line 72 of file interpret.c. Referenced by run_program().

#define OP_BOOL   0x40

Definition at line 81 of file interpret.c. Referenced by run_program().

#define OP_BOOL2   0x41

Definition at line 82 of file interpret.c. Referenced by run_program().

#define OP_BRAB   0x53

Definition at line 92 of file interpret.c. Referenced by run_program().

#define OP_BRAL   0x55

Definition at line 94 of file interpret.c. Referenced by run_program().

#define OP_BRAW   0x54

Definition at line 93 of file interpret.c. Referenced by run_program().

#define OP_CALL   0x11

Definition at line 48 of file interpret.c. Referenced by run_program().

#define OP_CCALL   0x15

Definition at line 52 of file interpret.c. Referenced by run_program().

#define OP_DECR   0x3C

Definition at line 78 of file interpret.c. Referenced by run_program().

#define OP_DEREFB   0x60

Definition at line 97 of file interpret.c. Referenced by run_program().

#define OP_DEREFL   0x62

Definition at line 99 of file interpret.c. Referenced by run_program().

#define OP_DEREFW   0x61

Definition at line 98 of file interpret.c. Referenced by run_program().

#define OP_DISC   0x02

Definition at line 41 of file interpret.c. Referenced by run_program().

#define OP_DISCN   0x03

Definition at line 42 of file interpret.c. Referenced by run_program().

#define OP_DIV   0x33

Definition at line 69 of file interpret.c. Referenced by run_program().

#define OP_DUP   0x04

Definition at line 43 of file interpret.c. Referenced by run_program().

#define OP_HALT   0x01

Definition at line 40 of file interpret.c. Referenced by run_program().

#define OP_INCR   0x3B

Definition at line 77 of file interpret.c. Referenced by run_program().

#define OP_JMPB   0x50

Definition at line 89 of file interpret.c. Referenced by run_program().

#define OP_JMPL   0x52

Definition at line 91 of file interpret.c. Referenced by run_program().

#define OP_JMPW   0x51

Definition at line 90 of file interpret.c. Referenced by run_program().

#define OP_LDIB   0x24

Definition at line 59 of file interpret.c. Referenced by run_program().

#define OP_LDIL   0x26

Definition at line 61 of file interpret.c. Referenced by run_program().

#define OP_LDIO   0x28

Definition at line 63 of file interpret.c. Referenced by run_program().

#define OP_LDIW   0x25

Definition at line 60 of file interpret.c. Referenced by run_program().

#define OP_LDIZ   0x27

Definition at line 62 of file interpret.c. Referenced by run_program().

#define OP_LDLBL   0x66

Definition at line 103 of file interpret.c. Referenced by run_program().

#define OP_LDR   0x20

Definition at line 55 of file interpret.c. Referenced by run_program().

#define OP_LDR2   0x21

Definition at line 56 of file interpret.c. Referenced by run_program().

#define OP_LINK   0x14

Definition at line 51 of file interpret.c. Referenced by run_program().

#define OP_MOD   0x34

Definition at line 70 of file interpret.c. Referenced by run_program().

#define OP_MOV   0x23

Definition at line 58 of file interpret.c. Referenced by run_program().

#define OP_MUL   0x32

Definition at line 68 of file interpret.c. Referenced by run_program().

#define OP_MVA   0x13

Definition at line 50 of file interpret.c. Referenced by run_program().

#define OP_NEG   0x3A

Definition at line 76 of file interpret.c. Referenced by run_program().

#define OP_NOP   0x00

Definition at line 39 of file interpret.c. Referenced by run_program().

#define OP_NOT   0x42

Definition at line 83 of file interpret.c. Referenced by run_program().

#define OP_OR   0x38

Definition at line 74 of file interpret.c. Referenced by run_program().

#define OP_POKEB   0x63

Definition at line 100 of file interpret.c. Referenced by run_program().

#define OP_POKEL   0x65

Definition at line 102 of file interpret.c. Referenced by run_program().

#define OP_POKEW   0x64

Definition at line 101 of file interpret.c. Referenced by run_program().

#define OP_RET   0x10

Definition at line 47 of file interpret.c. Referenced by run_program().

#define OP_STA   0x12

Definition at line 49 of file interpret.c. Referenced by run_program().

#define OP_STR   0x22

Definition at line 57 of file interpret.c. Referenced by run_program().

#define OP_SUB   0x31

Definition at line 67 of file interpret.c. Referenced by run_program().

#define OP_TEQ   0x43

Definition at line 84 of file interpret.c. Referenced by run_program().

#define OP_TGT   0x45

Definition at line 86 of file interpret.c. Referenced by run_program().

#define OP_TLT   0x44

Definition at line 85 of file interpret.c. Referenced by run_program().

#define OP_XOR   0x39

Definition at line 75 of file interpret.c. Referenced by run_program().

#define pop_stack (   )     (*(--stack_pos))

Definition at line 119 of file interpret.c. Referenced by run_program().

#define push_stack (  n   )     (*(stack_pos++) = (n))

Definition at line 120 of file interpret.c. Referenced by run_program().

#define save_register (  n, v   )     (register_pos[n] = (v))

Definition at line 123 of file interpret.c. Referenced by run_program().

#define start_args (   )     (arg_pos = register_pos + register_used + 1)

Definition at line 124 of file interpret.c. Referenced by run_program().

#define write_arg (  v   )     (*(arg_pos++) = (v))

Definition at line 121 of file interpret.c. Referenced by run_program().

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Typedef Documentation

typedef union instruction_args instruction_args_t

Referenced by run_program().

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Function Documentation

const char* interp_func_name (  const char *  pos  )  [static]

Definition at line 127 of file interpret.c. Referenced by run_program().

long run_program (  const unsigned char *  program_data, int  num_params, va_list  params )

Definition at line 142 of file interpret.c. References ACTIVE_STACK_DEPTH, instruction_args::bytes, CALL_STACK_DEPTH, instruction_args::dword, instruction_args_t, interp_func_name(), interpret_call(), interpreter_call_stack, interpreter_call_stack_pos, load_register, OP_ADD, OP_ALLOCA, OP_AND, OP_ASL, OP_ASR, OP_BOOL, OP_BOOL2, OP_BRAB, OP_BRAL, OP_BRAW, OP_CALL, OP_CCALL, OP_DECR, OP_DEREFB, OP_DEREFL, OP_DEREFW, OP_DISC, OP_DISCN, OP_DIV, OP_DUP, OP_HALT, OP_INCR, OP_JMPB, OP_JMPL, OP_JMPW, OP_LDIB, OP_LDIL, OP_LDIO, OP_LDIW, OP_LDIZ, OP_LDLBL, OP_LDR, OP_LDR2, OP_LINK, OP_MOD, OP_MOV, OP_MUL, OP_MVA, OP_NEG, OP_NOP, OP_NOT, OP_OR, OP_POKEB, OP_POKEL, OP_POKEW, OP_RET, OP_STA, OP_STR, OP_SUB, OP_TEQ, OP_TGT, OP_TLT, OP_XOR, pop_stack, push_stack, REGISTER_STACK_DEPTH, return_info_t, return_info::returns, return_info::retval, save_register, start_args, instruction_args::ubytes, instruction_args::words, and write_arg. Referenced by call_attackfunc(), call_genericfunc(), call_stepfunc(), call_throwhitfunc(), and call_usefunc().

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Variable Documentation

const char* interpreter_call_stack[32] [static]

Definition at line 116 of file interpret.c. Referenced by run_program().

int interpreter_call_stack_pos = 0 [static]

Definition at line 117 of file interpret.c. Referenced by run_program().

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