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Author SHA1 Message Date
Andrew Kelley
391a40d601 ci: update linux to llvm12 tarball 2021-04-14 20:35:33 -07:00
Michael Dusan
6a7f21d1b8 ci: macos-aarch64 update dep tarballs for llvm12 2021-04-14 19:43:17 -07:00
lithdew
81adcd533e os/posix: handle ECONNRESET for write/writev 2021-04-14 16:40:06 -07:00
Andrew Kelley
5a3ea9bece Merge remote-tracking branch 'origin/llvm12' 
Happy LLVM 12 Release Day.

Please note that the llvm 12 tag does not include the latest commit in
the release/12.x branch, which is in fact a bug fix for a regression
that is causing a failure in Zig's test suite.

Zig master branch is tracking release/12.x, and will be enabling the
test that is fixed by that commit.
 2021-04-14 14:41:57 -07:00
Frank Denis
1fada37466
Merge pull request #8518 from akvadrako/doc-field-align 
Update doc for struct field alignment.
 2021-04-14 10:56:37 +02:00
Evan Haas
e761e0ac18 translate-c: wrap switch statements in a while (true) loop 
This allows `break` statements to be directly translated from the original C.
Add a break statement as the last statement of the while loop to ensure we
don't have an infinite loop if no breaks / returns are hit in the switch.

Fixes #8387
 2021-04-13 11:45:03 -07:00
Jakub Konka
36a33c99e3
Merge pull request #8517 from ziglang/zld-archive-fix 
zld: fix symbol resolution from interdependent static archives
 2021-04-13 17:12:26 +02:00
Devin Bayer
ca3aa02206 Update doc for struct field alignment. 2021-04-13 14:53:44 +02:00
Jakub Konka
461543a5fd zld: fix symbol resolution from interdep archives 
Fixes symbol resolution if an archive occurring later in the linker
line depends on a object embedded within the archive that occurred
before.
 2021-04-13 13:36:08 +02:00
Jakub Konka
65e4725aba Add standalone test for interdep C archives 
Tests a scenario where the linker line has the following:

```
main.o libA.a libB.a
```

where `main.o` pulls a symbol from `libB.a`, which in turn is
dependent on a symbol from `libA.a`.
 2021-04-13 13:32:59 +02:00
Jakub Konka
a5bbc66f10 zld: cleanup redundant changes 2021-04-13 10:56:03 +02:00
Jakub Konka
db30033de2 zld: rebase to new naming conv for aarch64 2021-04-13 10:56:03 +02:00
Jakub Konka
1119970d22 zld: add x86_64 relocs 2021-04-13 10:56:03 +02:00
Jakub Konka
b1f9db75f3 zld: save locals per TU 2021-04-13 10:56:03 +02:00
Jakub Konka
3b7c9dd6bd zld: differentiate between static and global in stabs 2021-04-13 10:56:03 +02:00
Jakub Konka
717d382871 zld: streamline tags for Symbol 2021-04-13 10:56:03 +02:00
Jakub Konka
b377e0b370 zld: fix indirect symtab 2021-04-13 10:56:03 +02:00
Jakub Konka
b0a4e1fa46 zld: fix rebase vs bind for GOT entries 2021-04-13 10:56:03 +02:00
Jakub Konka
6e3f82ef28 zld: fix parsing debug info 2021-04-13 10:56:03 +02:00
Jakub Konka
65c27d51f6 zld: limit exports to just main entrypoint 2021-04-13 10:56:03 +02:00
Jakub Konka
421102ba72 zld: move parsing debug info into object 2021-04-13 10:56:03 +02:00
Jakub Konka
dc7cff8ebc zld: add prelim support for locals 2021-04-13 10:56:03 +02:00
Jakub Konka
23bb6fa9f4 zld: flush MachO 2021-04-13 10:56:03 +02:00
Jakub Konka
db44a7803f zld: resolve target addresses for relocs 2021-04-13 10:56:03 +02:00
Jakub Konka
b667fe2c62 zld: resolve stubs and GOT entries 2021-04-13 10:56:03 +02:00
Jakub Konka
46cc214f2d zld: migrate parts of main to new relocs 2021-04-13 10:56:03 +02:00
Jakub Konka
6a866f1a96 zld: preprocess relocs on arm64 2021-04-13 10:56:03 +02:00
Jakub Konka
4e676ecbb5 zld: allocate addresses for global symbols 2021-04-13 10:56:03 +02:00
Jakub Konka
d5c2f8ed32 zld: store a single global symtab 2021-04-13 10:56:03 +02:00
Jakub Konka
1b5bceec91 zld: start work on reloc preprocessing 2021-04-13 10:56:03 +02:00
Jakub Konka
04659f5b82 zld: allocate segments based on worst-case and upper-limit 2021-04-13 10:56:03 +02:00
Jakub Konka
116ea1bf2c zld: assume remaining undefs are from libSystem 2021-04-13 10:56:03 +02:00
Jakub Konka
b0105029ca zld: refactor object and archive parsing 2021-04-13 10:56:03 +02:00
Jakub Konka
988b184d03 zld: redo symbol resolution in objects 
Store only globals and undefs at the linker level, while all locals
stay scoped to the actual object file they were defined in. This is
fine since the relocations referencing locals will always be resolved
first using the local symbol table before checking for the reference
within the linker's global symbol table.

This also paves the way for proper symbol resolution from within static
and dynamic libraries.
 2021-04-13 10:56:03 +02:00
Andrew Kelley
262e09c482 stage1: resolve builtin types and values via std.builtin 
rather than via `@import("builtin")`. This helps avoid the need for
`usingnamespace` used in builtin.zig or in std.builtin.
 2021-04-12 15:54:28 -07:00
Michael Dusan
cc186dac65 test-stack-traces: enable elf/dwarf platforms 2021-04-12 17:18:56 -04:00
Michael Dusan
28ae498254 dwarf: fix LineNumberProgram check 
- on first iteration populate `prev_` fields and do nothing else

closes #8421
 2021-04-12 17:18:56 -04:00
Andrew Kelley
c4c7cb252a
Merge pull request #8502 from xackus/std-docs 
std docs: @This() in generic types
 2021-04-12 11:37:00 -07:00
Jakub Konka
d6d27d51ef CI: update brew before installing pkgs 2021-04-12 18:42:51 +02:00
Michael Dusan
0fa1a2cb73
Revert "dwarf: fix LineNumberProgram check" 
- needed/needs to go through review process

This reverts commit 746f65f8b3ce11d67d8fd392aea8bc05a24adae6.
 2021-04-12 06:55:12 -04:00
Michael Dusan
746f65f8b3
dwarf: fix LineNumberProgram check 
- tolerate out-of-order DW_AT_ranges

closes #8421
 2021-04-12 06:12:00 -04:00
xackus
ab991cab84 std docs: @This() in generic types 2021-04-12 09:31:45 +02:00
Andrew Kelley
d2d4df4074
Merge pull request #8477 from joachimschmidt557/stage2-arm 
stage2 codegen: Set MCValue of register arguments to their stack copies
 2021-04-11 19:00:25 -07:00
Andrew Kelley
c5e662d860
Merge pull request #8497 from LemonBoy/some-ppc-fixes 
Improve Improve PowerPC support
 2021-04-11 18:59:31 -07:00
Michael Dusan
93cf9560b1
Merge remote-tracking branch 'origin/master' into llvm12 2021-04-11 17:40:19 -04:00
xackus
7857ad78db std docs: update var to anytype 2021-04-11 22:59:30 +02:00
LemonBoy
44f8ce690d std: Fix typo in sqrt implementation 
The code initializes twice `t` instead of `t1`, leaving the latter
uninitialized. The problem manifested itself by corrupting the LSBs of
the result in unpredictable ways.
 2021-04-11 21:27:39 +02:00
LemonBoy
8d94dc625b compiler-rt: Introduce PowerPC-specific f128 helpers 
For historical reasons IEEE f128 ops use `kf` instead of `tf` in their
names, there's no functional change.
 2021-04-11 21:26:22 +02:00
LemonBoy
9bebdc77d6 std: Fix TLS definitions for 32bit PowerPC targets 
Correct some silly errors and add the missing piece to set the thread
pointer (r2).
 2021-04-11 21:26:22 +02:00
Andrew Kelley
82a31aac9b
Merge pull request #8483 from fengb/powerpc 
Improve PowerPC support
 2021-04-11 10:12:02 -07:00