Commit graph

98 commits

Author SHA1 Message Date
Brian Carroll
e2b95662a8 Fix wasm linking bugs 2021-11-09 21:22:12 +00:00
Folkert
a9ce02799c WIP 2021-11-09 21:37:56 +01:00
Brian Carroll
4948cee360 Fix clippy warnings 2021-11-09 15:49:08 +00:00
Brian Carroll
d0ffaabe83 Re-index all internal functions to make room for imported external functions
Linked external functions must be declared in the Import section,
and they must come first in the function index space.
In other words, internal function numbers start at the number of imports.

However we don't know in advance how many builtins the code may call,
and we don't want to add more passes over the full IR. Instead we re-index
function references at the end of code generation.
2021-11-09 14:50:53 +00:00
Brian Carroll
a61987e032 Rename CodeBuilder::finalize -> CodeBuilder::build_fn_header
We actually have a few more steps to go after this one!
2021-11-09 14:28:15 +00:00
Brian Carroll
1b5740cd5d Tidy up lowlevel calls and implement a few more 2021-11-09 14:28:15 +00:00
Brian Carroll
5bfc0093ec Intitialise CodeSection with just the right capacity 2021-11-08 14:59:49 +00:00
Brian Carroll
34b57cf315 Refactor after creating constant linking data 2021-11-07 11:23:20 +00:00
Brian Carroll
38d9fc5bbd Add linker data for strings, and deduplicate them
For references to addresses of constant strings, we make an entry in
reloc.CODE and configure the relocation type to say it points at a
memory address. (At least I think this is right, I can't test it yet!)

The same info can also be used for de-duplication.

It turns out we don't need reloc.DATA. I had misunderstood it.
The use case for that would be constant nested data structures,
where constant data would contain pointers to other constant data.
I don't think we're doing this in Roc at all, but not sure.
2021-11-07 11:20:32 +00:00
Brian Carroll
09f2ce327c Change some comments after self-review 2021-11-04 21:19:23 +00:00
Brian Carroll
c798c9d444 Implement long string literals 2021-11-04 20:44:29 +00:00
Brian Carroll
414c9e6f86 Move WasmModule initialisation into WasmBackend
It helps to coordinate different sections with related values,
based on knowledge of Roc rather than Wasm.
2021-11-04 20:41:23 +00:00
Brian Carroll
46c19b59d4 Add support for small string literals 2021-11-04 14:29:46 +00:00
Brian Carroll
2f430fce86 Refactor literals 2021-11-04 13:40:34 +00:00
Brian Carroll
ad9b761fce Move wasm file format code into a submodule 2021-11-03 11:20:16 +00:00
Brian Carroll
87f6246851 Remove parity-wasm! 2021-11-03 10:36:08 +00:00
Brian Carroll
59757d638a Migrate the last sections: Type and Function 2021-11-03 10:24:03 +00:00
Brian Carroll
b0aeafc066 Refactor code section to get rid of a copy 2021-11-02 20:34:57 +00:00
Brian Carroll
edadd4ce13 Temporary setup to gradually migrate sections from parity_wasm to our own module_builder
Previously we just had our own code section.
Now we also have export section, and a way of switching them over one by one,
running tests in between.
2021-11-02 12:46:15 +00:00
Brian Carroll
6ab00d164c Create WasmModule struct 2021-11-01 00:06:25 +00:00
Brian Carroll
49ac08546c Replace a vector reference with a slice 2021-11-01 00:01:48 +00:00
Brian Carroll
96832ed1e3 self review 2021-10-30 18:22:09 +01:00
Brian Carroll
2da2e51895 Move relocations code into the backend and code builder 2021-10-30 09:20:16 +01:00
Brian Carroll
9780cce4dd Rough draft of function name relocations 2021-10-30 08:55:33 +01:00
Brian Carroll
2020e89db7 Create reserve_padded_u32, nice for readability 2021-10-28 22:44:33 +01:00
Brian Carroll
82acf55d38 Create serializer module 2021-10-28 11:50:55 +01:00
Brian Carroll
f066adbe05 Adjust relocation offset to account for inserts, preamble, function offset, etc. 2021-10-27 16:50:30 +01:00
Brian Carroll
1def56ea04 Build up a vector of relocations 2021-10-26 23:31:36 +01:00
Brian Carroll
fd3d8f5227 Get rid of procedure sorting 2021-10-26 22:44:28 +01:00
Brian Carroll
6534da5055 Fix LEB encoding and refactor insertions 2021-10-24 11:54:21 +02:00
Brian Carroll
13577aa9ec Combine our handmade Code section with other sections from parity_wasm (tests compile but fail) 2021-10-23 17:12:49 +02:00
Brian Carroll
973626fe2d Rename FunctionBuilder back to CodeBuilder 2021-10-23 13:48:20 +02:00
Brian Carroll
74e3239a1c Switch over to function_builder 2021-10-23 13:39:54 +02:00
Brian Carroll
4563e2af49 Get function_builder compiling 2021-10-22 10:38:53 +02:00
Brian Carroll
5ea313f256 update gen_wasm to use bumpalo::collections::Vec where possible 2021-10-21 21:14:15 +02:00
Brian Carroll
401f2ececd rename some methods 2021-10-18 21:35:16 +02:00
Brian Carroll
f242aade86 Rename a variable & fix a bug calling functions that return via stack memory 2021-10-18 18:35:48 +02:00
Brian Carroll
1b97675f1f Refactor the optimisation for immediately-returned Let statements
The original intention was to avoid creating a local when we define
and immediately return a primitive value. But now our default path
does avoids unnecessary locals anyway!

For StackMemory values we do need an optimised path but it's nicer
to just pass a flag to Storage::allocate.
2021-10-18 13:18:10 +02:00
Brian Carroll
2daefc8b32 Name a constant 2021-10-18 13:11:05 +02:00
Brian Carroll
6206418b67 Fix clippy warnings 2021-10-14 00:13:47 +02:00
Brian Carroll
5c42455ca7 Rename some values & improve comments 2021-10-13 10:52:51 +02:00
Brian Carroll
472943a068 Refactoring: extract Storage out of WasmBackend 2021-10-12 10:22:38 +01:00
Brian Carroll
d2e01bd10a rename SymbolStorage -> StoredValue 2021-10-12 10:20:17 +01:00
Brian Carroll
f6685349b3 Batch local declarations to save a few bytes and make some code a little nicer 2021-10-10 22:21:13 +01:00
Brian Carroll
041e26e807 rename CodeBuilder methods 2021-10-10 20:56:39 +01:00
Brian Carroll
c5ee41af25 rename code_builder 2021-10-10 20:56:32 +01:00
Brian Carroll
8164a14dfa rename module_builder 2021-10-10 20:56:20 +01:00
Brian Carroll
47f93bddea Fix & refactor create_storage 2021-10-10 10:36:23 +01:00
Brian Carroll
d166f65a31 Fix bug: Forgot to generate a local for the stack frame pointer 2021-10-09 18:16:24 +01:00
Brian Carroll
476c1664ec Add debug logging to CodeBuilder and fix a minor bug 2021-10-09 17:24:37 +01:00