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Split MRB_BINARY_FORMAT to major and minor.

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The minor versions should be upper compatible. So mere opcode, section
addition can be done without breaking compiled binary.
This commit is contained in:
Yukihiro "Matz" Matsumoto
2020-06-06 18:02:15 +09:00
parent 8f0ac27196
commit dec34d6c7b
3 changed files with 16 additions and 4 deletions
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include/mruby/dump.h
+8 -2
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@@ -49,7 +49,12 @@ MRB_API mrb_irep *mrb_read_irep_buf(mrb_state*, const void*, size_t);
/* Rite Binary File header */
#define RITE_BINARY_IDENT "RITE"
#define RITE_BINARY_FORMAT_VER "0007"
/* Binary Format Version Major:Minor */
/* Major: Incompatible to prior versions */
/* Minor: Upper-compatible to prior versions */
#define RITE_BINARY_MAJOR_VER "01"
#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"
@@ -66,7 +71,8 @@ MRB_API mrb_irep *mrb_read_irep_buf(mrb_state*, const void*, size_t);
/* binary header */
struct rite_binary_header {
uint8_t binary_ident[4]; /* Binary Identifier */
uint8_t binary_version[4]; /* Binary Format Version */
uint8_t major_version[2]; /* Binary Format Major Version */
uint8_t minor_version[2]; /* Binary Format Minor Version */
uint8_t binary_crc[2]; /* Binary CRC */
uint8_t binary_size[4]; /* Binary Size */
uint8_t compiler_name[4]; /* Compiler name */