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2361 Commits

Author SHA1 Message Date
Vexu
a3624e94f8
translate-c: determine sizeof using std.meta.sizeof 2020-09-14 23:53:38 +03:00
Vexu
29fd0c6d61
fix meta.cast behavior; add exhaustive tests 2020-09-14 23:21:26 +03:00
Veikka Tuominen
d073836894
Merge pull request #6172 from tadeokondrak/@Type(.Union) 
Implement @Type for Union
 2020-09-14 16:43:49 +03:00
Andrew Kelley
c49435f76b
Merge pull request #6331 from mattnite/bpf-helper-defs 
BPF: helper definitions
 2020-09-14 04:00:00 -04:00
LemonBoy
61e9e82bdc std: Make the CRC32 calculation slightly faster 
Speed up a little the slicing-by-8 code path by replacing the
(load+shift+xor)*4 sequence with a single u32 load plus a xor.

Before:

```
iterative:  1018 MiB/s [000000006c3b110d]
small keys:  1075 MiB/s [0035bf3dcac00000]
```

After:

```
iterative:  1114 MiB/s [000000006c3b110d]
small keys:  1324 MiB/s [0035bf3dcac00000]
```
 2020-09-13 16:32:21 -04:00
LemonBoy
5e50d145d9 std: Limit the read/write size on Darwin 
It turns out that the kernel won't read or write more than 0x7fffffff
bytes in a single call, failing with EINVAL when trying to do so.

Adjust the limit and curse whoever is responsible for this.

Closes #6332
 2020-09-13 16:31:21 -04:00
Matt Knight
88dacd3b70
changed to opaque 2020-09-13 09:53:20 -07:00
Matt Knight
1afbf4fb21
removed all those kern aliases 2020-09-13 09:43:49 -07:00
Matt Knight
cb5f76bb1c
got booleans wrong 2020-09-13 09:24:56 -07:00
Matt Knight
b043a31889
added helper definitions 2020-09-12 23:45:35 -07:00
LemonBoy
9fe4c89230 std: Add a gzip decoder 2020-09-11 20:02:41 -04:00
Andrew Kelley
1edf097871
Merge pull request #6323 from LemonBoy/fast-zlib 
std: Make the DEFLATE decompression routine 3x faster
 2020-09-11 17:25:18 -04:00
Andrew Kelley
1eaf0691f9
Merge pull request #6320 from ifreund/prctl 
std: add prctl and securebits definitions for linux/C
 2020-09-11 16:33:57 -04:00
Isaac Freund
1078810cef
std: add prctl definition when linking libc 2020-09-11 22:32:23 +02:00
Isaac Freund
b6f4601545
std: add securebits definitions for linux 2020-09-11 22:32:23 +02:00
Isaac Freund
744b73ab46
std: add prctl wrapper to std.os 2020-09-11 22:32:23 +02:00
Isaac Freund
7b961a876b
std: add prctl definition for linux 2020-09-11 22:32:22 +02:00
Andrew Kelley
42c32dbc7b
Merge pull request #6315 from ifreund/optional-shlib-version 
std, stage1: make shared library versioning optional
 2020-09-11 16:07:13 -04:00
LemonBoy
4b851c7255 Re-enable a compression test 
It somehow got commented out...
 2020-09-11 21:04:08 +02:00
LemonBoy
41f244bd2f std: Make the DEFLATE decompression routine 3x faster 
A profiler run showed that the main bottleneck was the naive decoding of
the Huffman codes, replacing it with a nice trick borrowed by Zlib gave
a substantial speedup.
Replacing a `%` with a `and (mask-1)` gave another significant
improvement (yay for low hanging fruits).

A few numbers obtained by decompressing a 22M file:

Before:
```
./decompress  2,39s user 0,00s system 99% cpu 2,400 total
```

After:
```
./decompress  0,79s user 0,00s system 99% cpu 0,798 total
````
 2020-09-11 21:00:15 +02:00
Isaac Freund
0a76a9bd73
std, stage1: make shared library versioning optional 
This commit changes the behavior of stage1 to emit libfoo.so instead
of libfoo.so.0.0.0 when none of the --ver-major, --ver-minor, or
--ver-patch flags are set.

It also makes it possible to create unversioned shared libraries
using the zig build system, changing the version parameter of
addSharedLibrary() to a tagged union.
 2020-09-11 10:46:37 +02:00
Isaac Freund
68bf29c31e std: allow overriding install dir of artifacts 
This is necessary when, for example, writing a PAM module which should
be installed to lib/security/module_name.so.
 2020-09-11 04:32:36 -04:00
Andrew Kelley
c41cd3e13a std.fs.File: fix typo in writeFileAll 2020-09-10 18:53:20 -07:00
Andrew Kelley
800c5de2ae update the stack trace test case for lines added to start.zig 2020-09-10 14:40:33 -07:00
Andrew Kelley
2315331d23
Merge pull request #5527 from shawnanastasio/ppc64le 
Implement support for powerpc64{,le}
 2020-09-10 15:56:27 -04:00
Christian Wesselhoeft
ea9b38c93c fs/file.zig: Update reader to use type alias 
This is a minor cosmetic change which updates `reader` and `inStream`
to match `writer` and `outStream` below.
 2020-09-10 15:42:24 -04:00
Isaac Freund
13b8c63834 std: complete C definitions for uid/gid setters 
Also:
- correct the definition of setgid
- update the existing definitions to use the uid_t/gid_t types
 2020-09-10 15:41:52 -04:00
Isaac Freund
bb9773f695 std: fix errorset of std.os.seteuid/setegid 2020-09-10 15:41:21 -04:00
Isaac Freund
486a774e5f std: add option to use single-threaded event loop 
std.event.Loop does not yet work in single threaded builds. However,
using evented io on a single thread can be very convenient. This commit
allows settind @import("root").event_loop_mode to .single_threaded
in order to allow this without reimplementing the startup code in
start.zig
 2020-09-10 15:40:38 -04:00
Isaac Freund
4170f3f77f std: fix bitrot in process.posixGetUserInfo() 2020-09-10 14:30:07 -04:00
Literally Void
78baa16da0 Fix issue #6303: iterating empty PriorityQueue crashes 2020-09-10 12:00:53 +03:00
Jakub Konka
7d487a4162
Merge pull request #6289 from kubkon/macho 
macho: fix bug where __text section would get overwritten
 2020-09-09 09:00:24 +02:00
Zachary Meadows
edc40157eb Switch type of HashMap's count from usize to u32 (#6262) 2020-09-09 00:33:14 -04:00
Jakub Konka
9306dbd619
Fix bug where __text section would get overwritten 
Fixes a bug where the last written load command would accidentally
override the beginning of the __text section. Also defines missing
MachO constants and relocation structs/enums.

Signed-off-by: Jakub Konka <kubkon@jakubkonka.com>
 2020-09-08 20:55:06 +02:00
Mark Barbone
42b1b6be90 Add resize for arena allocator 2020-09-08 13:04:14 -04:00
Jens Goldberg
5bf3e54018 Add the Linux TCP socket options 2020-09-08 13:00:07 -04:00
Andrew Kelley
f6f0e09456
Merge pull request #6267 from mattnite/btf 
BPF: add BTF
 2020-09-08 12:59:31 -04:00
xackus
b8b68cb279 std: clean up bitrotten imports in crypto 2020-09-08 12:54:28 -04:00
Timon Kruiper
61cd9099e2 Zlib: Make deinit function public 2020-09-08 12:21:49 -04:00
LemonBoy
2328f40b7a std: Add DEFLATE and zlib decompressors 2020-09-07 14:59:46 -07:00
Matt Knight
a496f94be9 added map create, update, delete, and prog load 2020-09-07 15:42:41 -04:00
Matthew Knight
db7a238297
BPF: add some more documentation (#6268) 
* added documentation for ringbuffers, which context type maps to which program type, and added some formatting
 2020-09-07 15:41:29 -04:00
Andrew Kelley
f96f3265b5
Merge pull request #6265 from mattnite/bpf-finish-insns 
BPF: Implement rest of pseudo instructions
 2020-09-07 15:39:42 -04:00
Matt Knight
b878a64a5f
added license comments 2020-09-07 12:26:41 -07:00
Vincent Rischmann
533bfc68bf big int: fix Managed.dump() 2020-09-07 20:44:01 +03:00
Peter Spiess-Knafl
eca20b5e03 Fix compile when using EFI target (Fixes #6275) 2020-09-07 20:40:11 +03:00
Matt Knight
cf3194804e
changed enums to lower case 2020-09-07 07:17:21 -07:00
Tadeo Kondrak
771f35c593
Use less inefficient method of replacing TypeInfo.UnionField.enum_field 2020-09-07 06:23:27 -06:00
Tadeo Kondrak
ac19ccf595
Update standard library for removal of TypeInfo.UnionField.enum_field 2020-09-07 06:23:26 -06:00
Tadeo Kondrak
ff2ed966bb
Implement @Type for Union 
This removes TypeInfo.UnionField.enum_field, which is redundant with
TypeInfo.Union.tag_type.
 2020-09-07 06:23:24 -06:00