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Author SHA1 Message Date
Alex Rønne Petersen
9db992bd9b
std.os.linux.tls: Add loongarch support. 2024-07-30 02:33:15 +02:00
Alex Rønne Petersen
44d4656dfc
std.os.linux.tls: Add m68k support. 2024-07-30 02:32:55 +02:00
Alex Rønne Petersen
37275c0f69
std.os.linux.tls: Fix layout computation for the modified Variant I. 2024-07-30 02:32:32 +02:00
Alex Rønne Petersen
b52e054261
std.os.linux.tls: Refactor and improve documentation. 
* Elaborate on the sub-variants of Variant I.
* Clarify the use of the TCB term.
* Rename a bunch of stuff to be more accurate/descriptive.
* Follow Zig's style around namespacing more.
* Use a structure for the ABI TCB.

No functional change intended.
 2024-07-30 02:32:32 +02:00
Alex Rønne Petersen
876383cb2a
std.os.linux: Hook up newly added syscall enums. 2024-07-30 01:32:48 +02:00
Alex Rønne Petersen
7e0f9c45f2
std.os.linux: Adjust for rename of mips syscall enums. 2024-07-30 01:32:48 +02:00
Alex Rønne Petersen
e77b3ff74f
std.os.linux.syscalls: Regenerate based on Linux v6.7. 2024-07-30 01:32:48 +02:00
Alex Rønne Petersen
ce5063e188
std.os.linux.AUDIT: Rewrite ARCH in terms of std.elf.EM. 
Closes #20743.
 2024-07-30 01:30:35 +02:00
Alex Rønne Petersen
2386bfe854
std.os.linux.start_pie: Rewrite relocate() to avoid jump tables and libcalls. 
The code would cause LLVM to emit a jump table for the switch in the loop over
the dynamic tags. That jump table was far enough away that the compiler decided
to go through the GOT, which would of course break at this early stage as we
haven't applied MIPS's local GOT relocations yet, nor can we until we've walked
through the _DYNAMIC array.

The first attempt at rewriting this used code like this:

    var sorted_dynv = [_]elf.Addr{0} ** elf.DT_NUM;

But this is also problematic as it results in a memcpy() call. Instead, we
explicitly initialize it to undefined and use a loop of volatile stores to
clear it.
 2024-07-30 01:26:10 +02:00
Alex Rønne Petersen
68cebde186
std.os.linux.start_pie: Inline the getDynamicSymbol() function. 
On MIPS, this call will require a relocation, which we can't do until after PIE
relocations have been applied.
 2024-07-30 01:26:10 +02:00
Alex Rønne Petersen
5633767b20
std.os.linux.start_pie: Add powerpc and powerpc64 support. 
Closes #20305.
 2024-07-30 01:26:09 +02:00
Alex Rønne Petersen
adfbd8a98b
std.os.linux.start_pie: Add mips and mips64 support. 2024-07-30 01:24:55 +02:00
Andrew Kelley
38e0f049c5
Merge pull request #20389 from alexrp/riscv32 
Some `riscv32-linux` porting work
 2024-07-29 16:13:35 -07:00
Ryan Liptak
efde3ed04a Fix compile error due to GetModuleFileNameW binding change 
In https://github.com/ziglang/zig/pull/19641, this binding changed from `[*]u16` to `LPWSTR` which made it a sentinel-terminated pointer. This introduced a compiler error in the `std.os.windows.GetModuleFileNameW` wrapper since it takes a `[*]u16` pointer. This commit changes the binding back to what it was before instead of introducing a breaking change to `std.os.windows.GetModuleFileNameW`

Related: https://github.com/ziglang/zig/issues/20858
 2024-07-29 16:06:36 -07:00
Alex Rønne Petersen
4e5068c35c
std: Stop supporting Linux/glibc versions older than declared in std.Target. 2024-07-29 09:50:41 +02:00
Alex Rønne Petersen
6eb9cb6f28
std.os.linux.tls: Handle riscv32 in setThreadPointer(). 2024-07-29 09:50:41 +02:00
Alex Rønne Petersen
aeb3abc7e6
std.os.linux.start_pie: Handle riscv32 in getDynamicSymbol(). 2024-07-29 09:50:41 +02:00
Alex Rønne Petersen
43410cdfe9
std.os.linux: Remove the sparc64 workaround in fadvise(). 
This does not seem to be needed anymore, and it's unclear if it was ever truly
needed or if it was just there to deal with a QEMU/strace bug.

See: https://github.com/ziglang/zig/pull/8301#issuecomment-2184995749
 2024-07-29 09:50:41 +02:00
Alex Rønne Petersen
890433e292
std.os.linux: Define timespec as kernel_timespec (64-bit) for riscv32. 
This is kind of a hack because the timespec in UAPI headers is actually still
32-bit while __kernel_timespec is 64-bit. But, importantly, all the syscalls
take __kernel_timespec from the get-go (because riscv32 support is so recent).

Defining our timespec this way will allow all the syscall wrappers in
std.os.linux to do the right thing for riscv32. For other 32-bit architectures,
we have to use the 64-bit time syscalls explicitly to solve the Y2038 problem.
 2024-07-29 09:50:41 +02:00
Alex Rønne Petersen
cafce8c767
std.os.linux.test: Partially skip statx() test on riscv32. 
No fstatat(), so there's no point doing the rest of it.
 2024-07-29 09:50:41 +02:00
Alex Rønne Petersen
7532a8a584
std.os.linux: Add riscv32 support. 2024-07-29 09:50:41 +02:00
Alex Rønne Petersen
2d1ee678eb
std.os.linux: Some adjustments after syscall generation strategy changes. 2024-07-29 09:50:41 +02:00
Alex Rønne Petersen
4e7c3cca91
std.os.linux.syscalls: Regenerate based on Linux v6.7. 
loongarch64 syscalls not updated because it seems like that kernel port hasn't
been working for a year or so:

    In file included from arch/loongarch/include/uapi/asm/unistd.h:5:
    include/uapi/asm-generic/unistd.h:2:10: fatal error: 'asm/bitsperlong.h' file not found

That file is just missing from the tree. 🤷
 2024-07-29 09:50:41 +02:00
matt ettler
ed7f11ffa7 chore: correct non-standard comments. 
Comments throughout the codebase start with a space.
This commit corrects comments that do not adhere to this
norm.
 2024-07-28 21:34:14 -07:00
Andrew Kelley
3a0da431db
Merge pull request #20667 from jayrod246/windows-watch 
Build Runner: Initial Implementation for File System Watching on Windows
 2024-07-28 20:35:18 -07:00
Matthew Ettler
d30d37e356
feat(std.os.uefi.protocol): add Serial IO 2024-07-28 12:37:53 +00:00
Jarrod Meyer
2de0e2eca3 Watch.zig: add initial windows implementation 2024-07-27 11:32:43 -04:00
Jarrod Meyer
2b8f444dde windows: reintroduce ReadDirectoryChangesW 
- additionally, introduces FileNotifyChangeFilter to improve use/readability
 2024-07-27 11:32:43 -04:00
Jarrod Meyer
9323a00067 windows: add Timeout status result for GetQueuedCompletionStatus 2024-07-27 11:32:43 -04:00
Jarrod Meyer
7434accc3d windows: make the WaitForMultipleObjectsEx assertion inclusive 
- additionally, the parameter must be nonzero: https://learn.microsoft.com/en-us/windows/win32/api/synchapi/nf-synchapi-waitformultipleobjects
 2024-07-27 11:32:43 -04:00
Alex Rønne Petersen
66b71273a2 std.os.linux: Fix default value for perf_event_attr.clockid field. 
Closes #20810.
 2024-07-26 18:21:10 -07:00
Alex Rønne Petersen
38c492bb53
std.os.linux.start_pie: Add hexagon support. 2024-07-24 20:12:38 +02:00
Alex Rønne Petersen
a0b2b987c8
std.os.linux.start_pie: Add arc support. 2024-07-24 20:12:38 +02:00
Alex Rønne Petersen
bc054a713e
std.os.linux.start_pie: Add csky support. 2024-07-24 20:12:38 +02:00
Alex Rønne Petersen
2dabb7ec77
std.os.linux.start_pie: Handle armeb, thumb, thumbeb, and aarch64_be too. 2024-07-24 20:12:38 +02:00
Andrew Kelley
4de8bba648
Merge pull request #20749 from alexrp/start-pie 
`std.os.linux.start_pie`: Implement `getDynamicSymbol()` for loongarch64, m68k, and s390x
 2024-07-24 10:27:20 -07:00
Alex Rønne Petersen
1c6bee0834
std.os.linux.start_pie: Add s390x support. 2024-07-24 00:28:08 +02:00
Alex Rønne Petersen
6fac71ec74
std.os.linux.start_pie: Add m68k support. 2024-07-24 00:28:07 +02:00
Alex Rønne Petersen
1fd45766a7
std.os.linux.start_pie: Add loongarch support. 2024-07-24 00:27:46 +02:00
Alex Rønne Petersen
2d4fc1bb7a
std.os.linux.tls: Fix setThreadPointer() for armeb and thumbeb. 2024-07-23 21:17:29 +02:00
Alex Rønne Petersen
0473457b68
std.os.linux.tls: Set some constants correctly for powerpcle. 2024-07-23 21:14:19 +02:00
Alex Rønne Petersen
c631110f5c
std.os.linux.tls: Set tls_tcb_size correctly for thumbeb. 2024-07-23 21:14:19 +02:00
Alex Rønne Petersen
d694ddd279
std.os.linux.tls: Set tls_variant correctly for thumbeb. 2024-07-23 21:14:19 +02:00
Alex Rønne Petersen
d2d325a862
std.os.linux.AUDIT: Fix s390x; add loongarch64 and xtensa. 2024-07-23 21:14:19 +02:00
Alex Rønne Petersen
93311d6bca
std.os.linux: Also define O for armeb and thumbeb. 2024-07-23 21:14:19 +02:00
Alex Rønne Petersen
92bc802033
std.os.linux: Also define MAP for armeb and thumbeb. 2024-07-23 21:14:19 +02:00
Alex Rønne Petersen
fcbb192b49
std.os.linux: Define (MIN)SIGSTKSZ for all supported Linux architectures. 2024-07-23 21:14:19 +02:00
Alex Rønne Petersen
b21de4de5e
std.os.linux: Define syscalls for armeb and thumbeb too. 2024-07-23 21:14:19 +02:00
Alex Rønne Petersen
b3e82b899f
std.os.linux: Import arch bits for armeb and thumbeb too. 2024-07-23 21:14:19 +02:00
Andrew Kelley
33c7984183 add std.testing.random_seed 
closes #17609
 2024-07-23 11:43:12 -07:00