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13192 Commits

Author SHA1 Message Date
Jakub Konka
17635e4f2a x86_64: add -fPIC support targeting ELF 2023-10-16 19:33:06 +02:00
Jakub Konka
b3d98a4b88 elf: emit dynamic base relocs for .zig.got entries when required 2023-10-16 19:33:06 +02:00
Jakub Konka
315cd7623e elf: fix section sorting logic 2023-10-16 19:33:05 +02:00
Jakub Konka
5fad683791 elf: emit (broken) debug sections 2023-10-16 19:33:05 +02:00
Jakub Konka
85d451f96c elf: re-enable self-hosted backends 2023-10-16 19:33:05 +02:00
Jakub Konka
7be983ac92 elf: create new synthetic section ZigGotSection 2023-10-16 19:33:05 +02:00
Jakub Konka
9b6337ab06 elf: exclude Zig special sections from bulk alloc 2023-10-16 19:33:05 +02:00
Jakub Konka
9da6574f7b elf: refactor 2023-10-16 19:33:05 +02:00
Jakub Konka
716a45a209 elf: use findFreeSpace mechanics to allocate object-extracted segments 2023-10-16 19:33:05 +02:00
Jakub Konka
5ff12003ee elf: dynamically allocate SHDR table 2023-10-16 19:33:05 +02:00
Jakub Konka
1939c7d182 elf: clean up logic for allocating TLS segment 2023-10-16 19:33:05 +02:00
Jakub Konka
c87e73b19f elf: allocate non-alloc sections using incremental mechanism 2023-10-16 19:33:05 +02:00
Jakub Konka
2aa6099ad9 elf: assume only one TLS segment for now 2023-10-16 19:33:05 +02:00
Jakub Konka
8be71906d9 elf: split allocating sections/segments into alloc and non-alloc 2023-10-16 19:33:05 +02:00
Jakub Konka
bcce035636 elf: bring back PT_LOAD for PT_PHDR for incremental codepath 2023-10-16 19:33:05 +02:00
Jakub Konka
43397bbdc4 elf: always write SHDR table, at least for now 2023-10-16 19:33:05 +02:00
Jakub Konka
6a7a20520d elf: always write PHDR table, at least for now 2023-10-16 19:33:05 +02:00
Jakub Konka
5148e38751 elf: create and allocate special PHDRs out of the loop 2023-10-16 19:33:05 +02:00
Jakub Konka
59fcf16732 elf: move creation of PT_PHDR out of initPhdrs and initMetadata 2023-10-16 19:33:05 +02:00
Jakub Konka
e571208433 elf: rename Zig-specific section handles to _zig_ infixed 2023-10-16 19:33:05 +02:00
Jakub Konka
871591ca1c elf: fix conflicts after rebase gone bad 2023-10-16 19:33:05 +02:00
Jakub Konka
0b37a9c78d elf: fix GotSection.write in presence of TLSLD symbol 2023-10-16 19:33:05 +02:00
Jakub Konka
1efc0519ce elf: make init/fini sorting deterministic 2023-10-16 19:33:05 +02:00
Jakub Konka
1772dbb503 elf: fix generating .plt.got indirection 2023-10-16 19:33:05 +02:00
Jakub Konka
06f3b385c4 elf: fix alignment of .eh_frame_hdr section 2023-10-16 19:33:05 +02:00
Jakub Konka
a748ca3725 elf: populate symtab with symbols coming from DSOs 2023-10-16 19:33:05 +02:00
Jakub Konka
2f497f9f05 elf: emit .got.plt when emitting .plt 2023-10-16 19:33:04 +02:00
Jakub Konka
def7190e84 elf: hook up common symbols handler 2023-10-16 19:33:04 +02:00
Jakub Konka
f4c1b1d9ad elf: implement --verbose-link, and other fixes 2023-10-16 19:33:04 +02:00
Jakub Konka
4af5caa81f elf: add missing generators for special dynamic sections 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
d1446565a1 elf: re-enable dynamic linking codepaths 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
9a80ac0429 elf: add garbage collection of sections 2023-10-16 19:33:04 +02:00
Jakub Konka
f1b9c365f2 elf: add incomplete handling of build-obj -fllvm -fno-lld 2023-10-16 19:33:04 +02:00
Jakub Konka
727d9431c8 elf: link hello-world in c++ 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
66f34b15e8 elf: add symbols to .got section directly 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
860beda55f elf: remove dirty from synthetic .got section 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
14cff77d87 elf: create atom lists indexed by section index 2023-10-16 19:33:04 +02:00
Jakub Konka
540ef3e010 elf: sort sections by their rank to combine them by segment flags 
Currently this ignores ZigModule, however, I believe we can make it
so that this is done excluding sections/segments emitted by ZigModule
and everything should work out just fine.
 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
509da2316c elf: run populateMissingMetadata only if ZigModule exists 2023-10-16 19:33:04 +02:00
Jakub Konka
f0f19e18c7 elf: write shdr_table in flush 2023-10-16 19:33:04 +02:00
Jakub Konka
87602092fa elf: write .got in bulk after scanning objects 2023-10-16 19:33:04 +02:00