mbed-mruby

Diff: include/mruby/dump.h

Revision:

0:158c61bb030f

diff -r 000000000000 -r 158c61bb030f include/mruby/dump.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/include/mruby/dump.h	Wed Mar 25 17:36:16 2015 +0000
@@ -0,0 +1,160 @@
+/*
+** mruby/dump.h - mruby binary dumper (mrbc binary format)
+**
+** See Copyright Notice in mruby.h
+*/
+
+#ifndef MRUBY_DUMP_H
+#define MRUBY_DUMP_H
+
+#if defined(__cplusplus)
+extern "C" {
+#endif
+
+#include "mruby.h"
+#include "mruby/irep.h"
+
+int mrb_dump_irep(mrb_state *mrb, mrb_irep *irep, int debug_info, uint8_t **bin, size_t *bin_size);
+#ifdef ENABLE_STDIO
+int mrb_dump_irep_binary(mrb_state*, mrb_irep*, int, FILE*);
+int mrb_dump_irep_cfunc(mrb_state *mrb, mrb_irep*, int, FILE *f, const char *initname);
+mrb_irep *mrb_read_irep_file(mrb_state*, FILE*);
+MRB_API mrb_value mrb_load_irep_file(mrb_state*,FILE*);
+MRB_API mrb_value mrb_load_irep_file_cxt(mrb_state*, FILE*, mrbc_context*);
+#endif
+MRB_API mrb_irep *mrb_read_irep(mrb_state*, const uint8_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_CRC_ERROR            (-4)
+#define MRB_DUMP_INVALID_FILE_HEADER  (-5)
+#define MRB_DUMP_INVALID_IREP         (-6)
+#define MRB_DUMP_INVALID_ARGUMENT     (-7)
+
+/* null symbol length */
+#define MRB_DUMP_NULL_SYM_LEN         0xFFFF
+
+/* Rite Binary File header */
+#define RITE_BINARY_IDENTIFIER         "RITE"
+#define RITE_BINARY_FORMAT_VER         "0003"
+#define RITE_COMPILER_NAME             "MATZ"
+#define RITE_COMPILER_VERSION          "0000"
+
+#define RITE_VM_VER                    "0000"
+
+#define RITE_BINARY_EOF                "END\0"
+#define RITE_SECTION_IREP_IDENTIFIER   "IREP"
+#define RITE_SECTION_LINENO_IDENTIFIER "LINE"
+#define RITE_SECTION_DEBUG_IDENTIFIER  "DBG\0"
+#define RITE_SECTION_LV_IDENTIFIER     "LVAR"
+
+#define MRB_DUMP_DEFAULT_STR_LEN      128
+#define MRB_DUMP_ALIGNMENT            sizeof(uint32_t)
+
+/* binary header */
+struct rite_binary_header {
+  uint8_t binary_identify[4]; /* Binary Identifier */
+  uint8_t binary_version[4];  /* Binary Format Version */
+  uint8_t binary_crc[2];      /* Binary CRC */
+  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_identify[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_lineno_header {
+  RITE_SECTION_HEADER;
+};
+
+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];
+}
+
+#if defined(__cplusplus)
+}  /* extern "C" { */
+#endif
+
+/* crc.c */
+uint16_t
+calc_crc_16_ccitt(const uint8_t *src, size_t nbytes, uint16_t crc);
+
+#endif  /* MRUBY_DUMP_H */
+