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dump.h
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159 lines (131 loc) · 3.9 KB
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/**
** @file mruby/dump.h - mruby binary dumper (mrbc binary format)
**
** See Copyright Notice in mruby.h
*/
#ifndef MRUBY_DUMP_H
#define MRUBY_DUMP_H
#include <mruby.h>
#include <mruby/irep.h>
#include "common.h"
/**
* Dumping compiled mruby script.
*/
MRB_BEGIN_DECL
/* flags for mrb_dump_irep{,_binary,_cfunc,_cstruct} */
#define MRB_DUMP_DEBUG_INFO 1
#define MRB_DUMP_STATIC 2
#define MRB_DUMP_NO_LVAR 4
#ifndef MRB_NO_STDIO
MRB_API mrb_value mrb_load_irep_file(mrb_state*,FILE*);
MRB_API mrb_value mrb_load_irep_file_cxt(mrb_state*, FILE*, mrb_ccontext*);
mrb_irep *mrb_read_irep_file(mrb_state*, FILE*);
int mrb_dump_irep_binary(mrb_state*, const mrb_irep*, uint8_t, FILE*);
#endif
/* avoid mrb_read_irep(); use mrb_read_irep_buf() instead (may cause buffer overflow) */
MRB_API mrb_irep *mrb_read_irep(mrb_state*, const uint8_t*);
MRB_API mrb_irep *mrb_read_irep_buf(mrb_state*, const void*, size_t);
/* dump/load error code
*
* NOTE: MRB_DUMP_GENERAL_FAILURE is caused by
* unspecified issues like malloc failed.
*/
#define MRB_DUMP_OK 0
#define MRB_DUMP_GENERAL_FAILURE (-1)
#define MRB_DUMP_WRITE_FAULT (-2)
#define MRB_DUMP_READ_FAULT (-3)
#define MRB_DUMP_INVALID_FILE_HEADER (-4)
#define MRB_DUMP_INVALID_IREP (-5)
#define MRB_DUMP_INVALID_ARGUMENT (-6)
/* null symbol length */
#define MRB_DUMP_NULL_SYM_LEN 0xFFFF
/* Rite Binary File header */
#define RITE_BINARY_IDENT "RITE"
/* Binary Format Version Major:Minor */
/* Major: Incompatible to prior versions */
/* Minor: Upper-compatible to prior versions */
#define RITE_BINARY_MAJOR_VER "04"
#define RITE_BINARY_MINOR_VER "00"
#define RITE_BINARY_FORMAT_VER RITE_BINARY_MAJOR_VER RITE_BINARY_MINOR_VER
#define RITE_COMPILER_NAME "MATZ"
#define RITE_COMPILER_VERSION "0000"
#define RITE_VM_VER "0400"
#define RITE_BINARY_EOF "END\0"
#define RITE_SECTION_IREP_IDENT "IREP"
#define RITE_SECTION_DEBUG_IDENT "DBG\0"
#define RITE_SECTION_LV_IDENT "LVAR"
#define MRB_DUMP_DEFAULT_STR_LEN 128
#define MRB_DUMP_ALIGNMENT sizeof(uint32_t)
/* binary header */
struct rite_binary_header {
uint8_t binary_ident[4]; /* Binary Identifier */
uint8_t major_version[2]; /* Binary Format Major Version */
uint8_t minor_version[2]; /* Binary Format Minor Version */
uint8_t binary_size[4]; /* Binary Size */
uint8_t compiler_name[4]; /* Compiler name */
uint8_t compiler_version[4];
};
/* section header */
#define RITE_SECTION_HEADER \
uint8_t section_ident[4]; \
uint8_t section_size[4]
struct rite_section_header {
RITE_SECTION_HEADER;
};
struct rite_section_irep_header {
RITE_SECTION_HEADER;
uint8_t rite_version[4]; /* Rite Instruction Specification Version */
};
struct rite_section_debug_header {
RITE_SECTION_HEADER;
};
struct rite_section_lv_header {
RITE_SECTION_HEADER;
};
#define RITE_LV_NULL_MARK UINT16_MAX
struct rite_binary_footer {
RITE_SECTION_HEADER;
};
static inline size_t
uint8_to_bin(uint8_t s, uint8_t *bin)
{
*bin = s;
return sizeof(uint8_t);
}
static inline size_t
uint16_to_bin(uint16_t s, uint8_t *bin)
{
*bin++ = (s >> 8) & 0xff;
*bin = s & 0xff;
return sizeof(uint16_t);
}
static inline size_t
uint32_to_bin(uint32_t l, uint8_t *bin)
{
*bin++ = (l >> 24) & 0xff;
*bin++ = (l >> 16) & 0xff;
*bin++ = (l >> 8) & 0xff;
*bin = l & 0xff;
return sizeof(uint32_t);
}
static inline uint32_t
bin_to_uint32(const uint8_t *bin)
{
return (uint32_t)bin[0] << 24 |
(uint32_t)bin[1] << 16 |
(uint32_t)bin[2] << 8 |
(uint32_t)bin[3];
}
static inline uint16_t
bin_to_uint16(const uint8_t *bin)
{
return (uint16_t)bin[0] << 8 |
(uint16_t)bin[1];
}
static inline uint8_t
bin_to_uint8(const uint8_t *bin)
{
return (uint8_t)bin[0];
}
MRB_END_DECL
#endif /* MRUBY_DUMP_H */