Jakub Konka
1f8dd27e40
elf: correctly format output .eh_frame when emitting relocatable
2023-11-09 14:46:28 +01:00
Jakub Konka
ae08f9bfe9
elf: claim unresolved dangling symbols as undef externs in -r mode
2023-11-08 11:51:11 +01:00
Jakub Konka
e87c751558
elf: reference .rela sections via output section index
2023-11-08 10:57:34 +01:00
Jakub Konka
5e78600f0f
elf: actually track output symtab index of symbols
2023-11-07 23:18:41 +01:00
Jakub Konka
0211d6bf4f
elf: create link between .rela and output section
2023-11-07 14:42:27 +01:00
Jakub Konka
e22b3595c1
elf: update .rela section sizes
2023-11-07 14:29:44 +01:00
Jakub Konka
c7ed7c4690
elf: generate section symbols when writing symtab
2023-11-07 13:31:31 +01:00
Jakub Konka
3df53d1722
elf: create skeleton of required changes for supporting -r mode
2023-11-07 11:19:55 +01:00
Jakub Konka
8142925c7e
elf: hook up saving object files in an archive
2023-11-05 13:37:13 +01:00
Jakub Konka
55fa8a04f1
elf: add hooks for archiving Objects
2023-11-05 12:56:17 +01:00
Jakub Konka
5c48236103
elf: init objects after parsing them
2023-11-05 12:37:15 +01:00
Jakub Konka
25c53f08a6
elf: redo strings management in the linker
...
* atom names - are stored locally and pulled from defining object's
strtab
* local symbols - same
* global symbols - in principle, we could store them locally, but
for better debugging experience - when things go wrong - we
store the offsets in a global strtab used by the symbol resolver
2023-11-04 09:08:16 +01:00
Jakub Konka
8087ec8e8c
elf: improve parsing of ld scripts and actually test linking against them
2023-10-24 19:03:00 +02:00
Jakub Konka
52e0ca1312
elf: parse GNU ld script as system lib indirection
2023-10-18 13:54:43 +02:00
Jakub Konka
d2727b808c
elf: fix 32bit build
2023-10-16 19:56:47 +02:00
Jakub Konka
7b2cbcf0fe
codegen+elf: check if extern is a variable ref
2023-10-16 19:33:06 +02:00
Jakub Konka
1efc0519ce
elf: make init/fini sorting deterministic
2023-10-16 19:33:05 +02:00
Jakub Konka
def7190e84
elf: hook up common symbols handler
2023-10-16 19:33:04 +02:00
Jakub Konka
5fa90afb64
elf: fix synthetic section handling and actually parse DSOs
2023-10-16 19:33:04 +02:00
Jakub Konka
04a8f217c6
elf: fix COMDAT deduping logic
2023-10-16 19:33:04 +02:00
Jakub Konka
d6cec5a586
elf: add more prepwork for linking c++ objects
2023-10-16 19:33:04 +02:00
Jakub Konka
2c2bc66ce1
elf: handle .eh_frame and non-alloc sections
2023-10-16 19:33:04 +02:00
Jakub Konka
9ccd94d560
elf: refactor object.shdrContents to never error out
2023-10-16 19:33:04 +02:00
Jakub Konka
53340544c6
elf: get hello-world with LLVM in Zig working
2023-10-16 19:33:04 +02:00
Jakub Konka
1b70ad622b
elf: port zld's allocation mechanism
2023-10-16 19:33:04 +02:00
Jakub Konka
6faed6269f
elf: update section sizes accumulated from objects
2023-10-16 19:33:04 +02:00
Jakub Konka
679accd887
elf: initialize output sections from input objects in a separate step
2023-10-16 19:33:04 +02:00
Jakub Konka
89c2151a97
elf: move logic for extracing atom's code into input files
2023-09-28 18:35:26 +02:00
Jakub Konka
af00ac53b5
elf: report fatal linker error for unhandled relocation types
2023-09-28 14:06:12 +02:00
Jakub Konka
1200a5a240
elf: allow expanding segments in virtual memory
2023-09-27 09:59:59 +02:00
Jakub Konka
eb497c50e3
elf: dynamically allocate remaining alloc sections (and segments)
2023-09-26 21:07:47 +02:00
Jakub Konka
29ebd96818
elf: improve decl-to-section mapping logic
2023-09-23 17:15:41 +02:00
Andrew Kelley
accd5701c2
compiler: move struct types into InternPool proper
...
Structs were previously using `SegmentedList` to be given indexes, but
were not actually backed by the InternPool arrays.
After this, the only remaining uses of `SegmentedList` in the compiler
are `Module.Decl` and `Module.Namespace`. Once those last two are
migrated to become backed by InternPool arrays as well, we can introduce
state serialization via writing these arrays to disk all at once.
Unfortunately there are a lot of source code locations that touch the
struct type API, so this commit is still work-in-progress. Once I get it
compiling and passing the test suite, I can provide some interesting
data points such as how it affected the InternPool memory size and
performance comparison against master branch.
I also couldn't resist migrating over a bunch of alignment API over to
use the log2 Alignment type rather than a mismash of u32 and u64 byte
units with 0 meaning something implicitly different and special at every
location. Turns out you can do all the math you need directly on the
log2 representation of alignments.
2023-09-21 14:48:40 -07:00
Jakub Konka
dbde746f9d
elf: parse archives
2023-09-13 21:51:43 +02:00
Jakub Konka
6910a50ae5
elf: add u64 to usize casts where required
2023-09-13 00:31:41 +02:00
Jakub Konka
1a6d12ea92
elf: clean up and unify symbol ref handling in relocs
...
Also, this lets us re-enable proper undefined symbols tracking.
2023-09-12 23:27:14 +02:00
Jakub Konka
ae74a36af0
elf: resolve and write objects to file
2023-09-12 19:17:57 +02:00
Jakub Konka
9db472cff6
elf: set output section index of a global when resolving
2023-09-12 17:52:55 +02:00
Jakub Konka
472d326a8c
elf: set output section index when parsing objects
2023-09-12 17:35:56 +02:00
Jakub Konka
44e84af874
elf: add simplistic reloc scanning mechanism
2023-09-12 16:32:55 +02:00
Jakub Konka
c654f3b0ee
elf: claim unresolved dangling symbols that can be claimed
2023-09-12 15:44:16 +02:00
Jakub Konka
b478a0dd1a
elf: mark imports-exports; populate symtab with objects
2023-09-12 15:14:38 +02:00
Jakub Konka
962b46148d
elf: add simplistic symbol resolution
2023-09-12 14:36:55 +02:00
Jakub Konka
53c3757c00
elf: start fixing symbol resolution
2023-09-12 14:02:15 +02:00
Jakub Konka
00787885f4
elf: report undefined symbols in objects
2023-09-12 00:10:54 +02:00
Jakub Konka
67d458370d
elf: add prelim impl of Object parsing
2023-09-11 22:49:42 +02:00
