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2020-03-13Fix compilation with `--no-emit-bin`Noam Preil
2020-03-13Merge remote-tracking branch 'origin/master' into llvm10Andrew Kelley
2020-03-12fix `zig targets` not reporting native infoAndrew Kelley
2020-03-03Merge remote-tracking branch 'origin/master' into llvm10Andrew Kelley
2020-02-28dynamic_linker becomes a field of std.zig.CrossTargetAndrew Kelley
2020-02-28remove special darwin os version min handlingAndrew Kelley
now it is integrated with zig's target OS range.
2020-02-28stage1: make get_native_target go through self-hostedAndrew Kelley
2020-02-28introduce operating system version ranges as part of the targetAndrew Kelley
* re-introduce `std.build.Target` which is distinct from `std.Target`. `std.build.Target` wraps `std.Target` so that it can be annotated as "the native target" or an explicitly specified target. * `std.Target.Os` is moved to `std.Target.Os.Tag`. The former is now a struct which has the tag as well as version range information. * `std.elf` gains some more ELF header constants. * `std.Target.parse` gains the ability to parse operating system version ranges as well as glibc version. * Added `std.Target.isGnuLibC()`. * self-hosted dynamic linker detection and glibc version detection. This also adds the improved logic using `/usr/bin/env` rather than invoking the system C compiler to find the dynamic linker when zig is statically linked. Related: #2084 Note: this `/usr/bin/env` code is work-in-progress. * `-target-glibc` CLI option is removed in favor of the new `-target` syntax. Example: `-target x86_64-linux-gnu.2.27` closes #1907
2020-02-25Merge remote-tracking branch 'origin/master' into llvm10Andrew Kelley
2020-02-21fix regression in detecting native glibc versionAndrew Kelley
closes #4519
2020-02-19stage1 main: fix cli parsing of architectureAndrew Kelley
2020-02-19remove the concept of "sub-architecture"Andrew Kelley
in favor of CPU features. Also rearrange the `std.Target` data structure. * note: `@import("builtin")` was already deprecated in favor of `@import("std").builtin`. * `std.builtin.arch` is now deprecated in favor of `std.builtin.cpu.arch`. * `std.Target.CpuFeatures.Cpu` is now `std.Target.Cpu.Model`. * `std.Target.CpuFeatures` is now `std.Target.Cpu`. * `std.Target` no longer has an `arch` field. Instead it has a `cpu` field, which has `arch`, `model`, and `features`. * `std.Target` no longer has a `cpu_features` field. * `std.Target.Arch` is moved to `std.Target.Cpu.Arch` and it is an enum instead of a tagged union. * `std.Target.parseOs` is moved to `std.Target.Os.parse`. * `std.Target.parseAbi` is moved to `std.Target.Abi.parse`. * `std.Target.parseArchSub` is only for arch now and moved to `std.Target.Cpu.Arch.parse`. * `std.Target.parse` is improved to accept CPU name and features. * `std.Target.Arch.getBaselineCpuFeatures` is moved to `std.Target.Cpu.baseline`. * `std.Target.allCpus` is renamed to `std.Target.allCpuModels`. * `std.Target.defaultAbi` is moved to `std.Target.Abi.default`. * Significant cleanup of aarch64 and arm CPU features, resulting in the needed bit count for cpu feature set going from 174 to 138. * Add `std.Target.Cpu.Feature.Set.addFeatureSet` for merging feature sets together. `-target-feature` and `-target-cpu` are removed in favor of `-mcpu`, to conform to established conventions, and it gains additional power to support cpu features. The syntax is: -mcpu=name+on1+on2-off1-off2 closes #4261
2020-02-19make the CLI support depending on system headers and librariesAndrew Kelley
(include and lib search paths) The detection of native system paths is self-hosted. closes #2041
2020-02-18improvements which allow zig to emit multiple things at onceAndrew Kelley
example: zig build-obj test.zig -femit-llvm-ir -femit-asm this will generate all three: test.o test.s test.ll
2020-02-18Disable binary generation when deprecated `--emit` is usedNoam Preil
2020-02-18Improve support for generating LLVM IR/asm filesNoam Preil
2020-02-16stage1: don't copy unchanged output filesAndrew Kelley
when both `--cache on` and `--output-dir` parameters are provided. This prevents re-linking `zig` with every `make` even when `libzigstage2.a` was unchanged.
2020-02-16rename libuserland to libstage2Andrew Kelley
2020-02-16remove libc dependency of zig0 building libstage2Andrew Kelley
Rather than `zig0 build ...` the build now does `zig0 build-lib ...`, avoiding the requirement of linking the build script, and thus avoiding the requirement of finding native libc, for systems where libc is the system ABI.
2020-02-16self-hosted libc detectionAndrew Kelley
* libc_installation.cpp is deleted. src-self-hosted/libc_installation.zig is now used for both stage1 and stage2 compilers. * (breaking) move `std.fs.File.access` to `std.fs.Dir.access`. The API now encourages use with an open directory handle. * Add `std.os.faccessat` and related functions. * Deprecate the "C" suffix naming convention for null-terminated parameters. "C" should be used when it is related to libc. However null-terminated parameters often have to do with the native system ABI rather than libc. "Z" suffix is the new convention. For example, `std.os.openC` is deprecated in favor of `std.os.openZ`. * Add `std.mem.dupeZ` for using an allocator to copy memory and add a null terminator. * Remove dead struct field `std.ChildProcess.llnode`. * Introduce `std.event.Batch`. This API allows expressing concurrency without forcing code to be async. It requires no Allocator and does not introduce any failure conditions. However it is not thread-safe. * There is now an ongoing experiment to transition away from `std.event.Group` in favor of `std.event.Batch`. * `std.os.execvpeC` calls `getenvZ` rather than `getenv`. This is slightly more efficient on most systems, and works around a limitation of `getenv` lack of integration with libc. * (breaking) `std.os.AccessError` gains `FileBusy`, `SymLinkLoop`, and `ReadOnlyFileSystem`. Previously these error codes were all reported as `PermissionDenied`. * Add `std.Target.isDragonFlyBSD`. * stage2: access to the windows_sdk functions is done with a manually maintained .zig binding file instead of `@cImport`. * Update src-self-hosted/libc_installation.zig with all the improvements that stage1 has seen to src/libc_installation.cpp until now. In addition, it now takes advantage of Batch so that evented I/O mode takes advantage of concurrency, but it still works in blocking I/O mode, which is how it is used in stage1.
2020-02-14Merge remote-tracking branch 'origin/master' into llvm10Andrew Kelley
2020-02-10stage1: memory/report overhaulMichael Dusan
- split util_base.hpp from util.hpp - new namespaces: `mem` and `heap` - new `mem::Allocator` interface - new `heap::CAllocator` impl with global `heap::c_allocator` - new `heap::ArenaAllocator` impl - new `mem::TypeInfo` extracts names without RTTI - name extraction is enabled w/ ZIG_ENABLE_MEM_PROFILE=1 - new `mem::List` takes explicit `Allocator&` parameter - new `mem::HashMap` takes explicit `Allocator&` parameter - add Codegen.pass1_arena and use for all `ZigValue` allocs - deinit Codegen.pass1_arena early in `zig_llvm_emit_output()`
2020-02-10Merge remote-tracking branch 'origin/master' into llvm10Andrew Kelley
2020-02-05ability to run tests in evented I/O modeAndrew Kelley
This adds `--test-evented-io` as a CLI parameter. see #3117
2020-02-04fix undef clang library symbols when linking self-hostedAndrew Kelley
2020-01-29Add support for code model selectionValentin Anger
2020-01-25Merge remote-tracking branch 'origin/master' into layneson-cpus_and_featuresAndrew Kelley
2020-01-23stage1: make sure to create native_libc.txt dirMichael Dusan
- fix regression from #4186
2020-01-22std.Target.CpuFeatures is now a struct with both CPU and feature setAndrew Kelley
Previously it was a tagged union which was one of: * baseline * a specific CPU * a set of features Now, it's possible to have a CPU but also modify the CPU's feature set on top of that. This is closer to what LLVM does. This is more correct because Zig's notion of CPUs (and LLVM's) is not exact CPU models. For example "skylake" is not one very specific model; there are several different pieces of hardware that match "skylake" that have different feature sets enabled.
2020-01-21hit a comptime limitation with computing dense setsAndrew Kelley
2020-01-21properly forward baseline target cpu features to llvmAndrew Kelley
2020-01-21make zig targets show native cpu name and featuresAndrew Kelley
2020-01-21fixups to arch data, support any number of cpu featuresAndrew Kelley
2020-01-20stage1 is building. `zig targets` now self-hostedAndrew Kelley
2020-01-19figure out zig0/stage1 and scanning for native CPUAndrew Kelley
2020-01-19progress towards mergingAndrew Kelley
see BRANCH_TODO file
2020-01-19Add defaut feature supportLayne Gustafson
2020-01-19Add builtin.zig supportLayne Gustafson
2020-01-19Add TargetDetails abstractionLayne Gustafson
2020-01-19Rename subfeatures -> dependenciesLayne Gustafson
2020-01-19Add cpu/feature specification to cmndlineLayne Gustafson
2020-01-19Fix spacing in main.cppLayne Gustafson
2020-01-19Make targets cmd able to list CPUs and featuresLayne Gustafson
2020-01-15stage1: move local native_libc.txt to globalMichael Dusan
Automatic creation of `native_libc.txt` now occurs only in global cache. Manual creation/placement into local cache is supported. closes #3975
2020-01-07add --eh-frame-hdr conditionallyDavid Cao
2020-01-03translate-c supports --cache onAndrew Kelley
this will be used to provide a zig build step
2020-01-03add test harness for "run translated C" testsAndrew Kelley
2019-12-29use self hosted translate-c for cimportsVexu
2019-12-16expose the ability to disable C sanitizationAndrew Kelley
and disable C sanitization when building libcs. Empirically, they seem to trigger undef-sanitization.
2019-12-12un-special-case startup code in the std libAndrew Kelley
Previously, the compiler had special logic to determine whether to include the startup code, which was in `std/special/start.zig`. Now, the file is moved to `std/start.zig`, and there is no special logic in the compiler. Instead, the standard library unconditionally imports the `start.zig` file, which then has a `comptime` block that does the logic of determining what, if any, start symbols to export. Instead of `start.zig` being in its own special package, it is just another normal file that is part of the standard library. `std.builtin.TestFn` is now part of the standard library rather than specially generated by the compiler.
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