diff options
Diffstat (limited to 'vendor/github.com/tetratelabs/wazero/internal/platform/platform.go')
| -rw-r--r-- | vendor/github.com/tetratelabs/wazero/internal/platform/platform.go | 52 |
1 files changed, 0 insertions, 52 deletions
diff --git a/vendor/github.com/tetratelabs/wazero/internal/platform/platform.go b/vendor/github.com/tetratelabs/wazero/internal/platform/platform.go deleted file mode 100644 index 35806f6e4..000000000 --- a/vendor/github.com/tetratelabs/wazero/internal/platform/platform.go +++ /dev/null @@ -1,52 +0,0 @@ -// Package platform includes runtime-specific code needed for the compiler or otherwise. -// -// Note: This is a dependency-free alternative to depending on parts of Go's x/sys. -// See /RATIONALE.md for more context. -package platform - -import ( - "runtime" - - "github.com/tetratelabs/wazero/api" - "github.com/tetratelabs/wazero/experimental" -) - -// CompilerSupported includes constraints here and also the assembler. -func CompilerSupported() bool { - return CompilerSupports(api.CoreFeaturesV2) -} - -func CompilerSupports(features api.CoreFeatures) bool { - switch runtime.GOOS { - case "linux", "darwin", "freebsd", "netbsd", "dragonfly", "windows": - if runtime.GOARCH == "arm64" { - if features.IsEnabled(experimental.CoreFeaturesThreads) { - return CpuFeatures().Has(CpuFeatureArm64Atomic) - } - return true - } - fallthrough - case "solaris", "illumos": - return runtime.GOARCH == "amd64" && CpuFeatures().Has(CpuFeatureAmd64SSE4_1) - default: - return false - } -} - -// MmapCodeSegment copies the code into the executable region and returns the byte slice of the region. -// -// See https://man7.org/linux/man-pages/man2/mmap.2.html for mmap API and flags. -func MmapCodeSegment(size int) ([]byte, error) { - if size == 0 { - panic("BUG: MmapCodeSegment with zero length") - } - return mmapCodeSegment(size) -} - -// MunmapCodeSegment unmaps the given memory region. -func MunmapCodeSegment(code []byte) error { - if len(code) == 0 { - panic("BUG: MunmapCodeSegment with zero length") - } - return munmapCodeSegment(code) -} |
