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Allows WithMemoryLimitPages to override the default pages (#1335)

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Signed-off-by: Takeshi Yoneda <takeshi@tetrate.io>
This commit is contained in:
Takeshi Yoneda
2023-04-02 17:30:34 -07:00
committed by GitHub
parent f3ef84c9b3
commit fa3090a022
4 changed files with 45 additions and 30 deletions
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7
config.go
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@@ -48,8 +48,8 @@ type RuntimeConfig interface {
WithCoreFeatures(api.CoreFeatures) RuntimeConfig
// WithMemoryLimitPages overrides the maximum pages allowed per memory. The
// default is 65536, allowing 4GB total memory per instance. Setting a
// value larger than default will panic.
// default is 65536, allowing 4GB total memory per instance if the maximum is
// not encoded in a Wasm binary. Setting a value larger than default will panic.
//
// This example reduces the largest possible memory size from 4GB to 128KB:
// rConfig = wazero.NewRuntimeConfig().WithMemoryLimitPages(2)
@@ -67,6 +67,9 @@ type RuntimeConfig interface {
// rConfig = wazero.NewRuntimeConfig().WithMemoryCapacityFromMax(true)
//
// See https://www.w3.org/TR/2019/REC-wasm-core-1-20191205/#grow-mem
//
// Note: if the memory maximum is not encoded in a Wasm binary, this
// results in allocating 4GB. See the doc on WithMemoryLimitPages for detail.
WithMemoryCapacityFromMax(memoryCapacityFromMax bool) RuntimeConfig
// WithDebugInfoEnabled toggles DWARF based stack traces in the face of