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authordec05eba <dec05eba@protonmail.com>2019-09-14 01:45:31 +0200
committerdec05eba <dec05eba@protonmail.com>2020-07-25 14:36:46 +0200
commit35200031e88c65da6a0bde563f20d95c1dd4f464 (patch)
treeb1159960ca7ba78a42f6ef203f99d2b1a1c26641 /src/bytecode
parent7d663615b2a44715e7447a40cae467d7d4e38b9c (diff)
Use struct for bytecode header instead of pointer arithmetic
Diffstat (limited to 'src/bytecode')
-rw-r--r--src/bytecode/bytecode.c24
1 files changed, 14 insertions, 10 deletions
diff --git a/src/bytecode/bytecode.c b/src/bytecode/bytecode.c
index c968743..0a2b157 100644
--- a/src/bytecode/bytecode.c
+++ b/src/bytecode/bytecode.c
@@ -42,20 +42,24 @@ CHECK_RESULT int buffer_append_header(Buffer *program_data) {
|u8 |Major version|The major version of the bytecode. Updates in this is a breaking change. |
|u8 |Minor version|The minor version of the bytecode. Updates in this are backwards compatible.|
|u8 |Patch version|The patch version of the bytecode. Updates in this are only minor bug fixes.|
+ |u8 |Endian |Endian of the program. 0 = little endian, 1 = big endian. |
The versions in the header only changes for every release, not every change.
*/
- const u32 magic_number = AMAL_BYTECODE_MAGIC_NUMBER;
- const u8 major_version = AMAL_BYTECODE_MAJOR_VERSION;
- const u8 minor_version = AMAL_BYTECODE_MINOR_VERSION;
- const u8 patch_version = AMAL_BYTECODE_PATCH_VERSION;
-
- return_if_error(buffer_append(program_data, &magic_number, 4));
- return_if_error(buffer_append(program_data, &major_version, 1));
- return_if_error(buffer_append(program_data, &minor_version, 1));
- return_if_error(buffer_append(program_data, &patch_version, 1));
-
+ BytecodeHeader header;
+ header.magic_number = AMAL_BYTECODE_MAGIC_NUMBER;
+ header.major_version = AMAL_BYTECODE_MAJOR_VERSION;
+ header.minor_version = AMAL_BYTECODE_MINOR_VERSION;
+ header.patch_version = AMAL_BYTECODE_PATCH_VERSION;
+#if defined(AMAL_LITTLE_ENDIAN)
+ header.endian = 0;
+#elif defined(AMAL_BIG_ENDIAN)
+ header.magic_number = byteswap32(header.magic_number);
+ header.endian = 1;
+#endif
+
+ return_if_error(buffer_append(program_data, &header, sizeof(header)));
return 0;
}