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Progress towards tier 1 support for FreeBSD x86_64
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Prior to this fix, the compare-outputs test suite was showing a strange
behavior, the tests always stopped between tests 6-8 and had a stack track
similar to each other.
```
Test 8/68 compare-output multiple files with private function (ReleaseSmall)...OK
/usr/home/mgxm/dev/zig/zig-cache/source.zig:7:2: error: invalid token: '&'
}&(getStdOut() catch unreachable).outStream().stream;
^
The following command exited with error code 1:
```
With the wrong O_* flags, the source code was being written in append mode which
resulted in an invalid file
```zig
use @import("foo.zig");
use @import("bar.zig");
pub fn main() void {
foo_function();
bar_function();
}&(getStdOut() catch unreachable).outStream().stream;
stdout.print("OK 2\n") catch unreachable;
}
fn privateFunction() void {
printText();
}
```
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Use libc interface for:
- getdents
- kill
- openat
- setgid
- setuid
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when trying to open for writing a tty fd that is already opened with
screen
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std test list.
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ref: ziglang/zig#1832
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I originally called the Slice variants to work around
comptime code not supporting `@ptrCast`, but I fixed that
in 757d0665 so now the workaround is no longer needed.
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Stack trace is partially working, with only a few symbols missing. Uses
the same functions that we use in Linux to get the necessary debug info.
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FreeBSD doesn't mount procfs as default on the base system, so we can't
depend on it to get the current path, In this case, we use sysctl(3) to
retrieves the system information and get the same information.
- CTL_KERN: High kernel limits
- KERN_PROC: Return selected information about specific running
processes.
- KERN_PROC_PATHNAME: The path of the process
- Process ID: a process ID of -1 implies the current process.
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The system call getrandom(2) just landed on FreeBSD 12, so if we want to
support some earlier version or at least FreeBSD 11, we can't depend on
the system call.
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Remove all syscalls references
* dup2()
* chdir()
* execve()
* fork()
* getcwd()
* isatty()
* readlink()
* mkdir()
* mmap()
* munmap()
* read()
* rmdir()
* symlink()
* pread()
* write()
* pwrite()
* rename()
* open()
* close()
* lseek()
* exit()
* unlink()
* waitpid()
* nanosleep()
* setreuid()
* setregid()
* raise()
* fstat()
* pipe()
* added pipe2() extern c fn
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Since the stable kernel ABI is through libc #1759
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closes #1835
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closes #955
closes #1835
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this reduces the amount of implementation to change for #1835
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suirad-windows-wide-imports
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fixes a regression from b883bc8
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* add `@bswap` builtin function. See #767
* comptime evaluation facilities are improved to be able to
handle a `@ptrCast` with a backing array.
* `@truncate` allows "truncating" a u0 value to any integer
type, and the result is always comptime known to be `0`.
* when specifying pointer alignment in a type expression,
the alignment value of pointers which do not have addresses
at runtime is ignored, and always has the default/ABI alignment
* threw in a fix to freebsd/x86_64.zig to update syntax from
language changes
* some improvements are pending #863
closes #638
closes #1733
std lib API changes
* io.InStream().readIntNe renamed to readIntNative
* io.InStream().readIntLe renamed to readIntLittle
* io.InStream().readIntBe renamed to readIntBig
* introduced io.InStream().readIntForeign
* io.InStream().readInt has parameter order changed
* io.InStream().readVarInt has parameter order changed
* io.InStream().writeIntNe renamed to writeIntNative
* introduced io.InStream().writeIntForeign
* io.InStream().writeIntLe renamed to writeIntLittle
* io.InStream().writeIntBe renamed to writeIntBig
* io.InStream().writeInt has parameter order changed
* mem.readInt has different parameters and semantics
* introduced mem.readIntNative
* introduced mem.readIntForeign
* mem.readIntBE renamed to mem.readIntBig and different API
* mem.readIntLE renamed to mem.readIntLittle and different API
* introduced mem.readIntSliceNative
* introduced mem.readIntSliceForeign
* introduced mem.readIntSliceLittle
* introduced mem.readIntSliceBig
* introduced mem.readIntSlice
* mem.writeInt has different parameters and semantics
* introduced mem.writeIntNative
* introduced mem.writeIntForeign
* mem.writeIntBE renamed to mem.readIntBig and different semantics
* mem.writeIntLE renamed to mem.readIntLittle and different semantics
* introduced mem.writeIntSliceForeign
* introduced mem.writeIntSliceNative
* introduced mem.writeIntSliceBig
* introduced mem.writeIntSliceLittle
* introduced mem.writeIntSlice
* removed mem.endianSwapIfLe
* removed mem.endianSwapIfBe
* removed mem.endianSwapIf
* added mem.littleToNative
* added mem.bigToNative
* added mem.toNative
* added mem.nativeTo
* added mem.nativeToLittle
* added mem.nativeToBig
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And add std.math.f128_* constants.
The routines are:
__fixdfdi, __fixdfsi, __fixdfti,
__fixsfdi, __fixsfsi, __fixsfti,
__fixtfdi, __fixtfsi, __fixtfti.
These all call fixint which is a generic zig function that does the
conversion:
pub fn fixint(comptime fp_t: type, comptime fixint_t: type, a: fp_t) fixint_t
There are also a set tests:
__fixdfdi_test, __fixdfsi_test, __fixdfti_test,
__fixsfdi_test, __fixsfsi_test, __fixsfti_test,
__fixtfdi_test, __fixtfsi_test, __fixtfti_test.
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the struct and aliased inside it. This will enable alternate generic serializers (i.e. one that follows pointers) on a struct-by-struct basis.
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which works in freestanding mode
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Relevant #764
dwarf debug info is modified to use this instead of std.os.File
directly to make it easier for bare metal projects to take advantage
of debug info parsing
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this wasn't caught earlier.
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