diff options
| -rw-r--r-- | misc/wasm/wasm_exec.js | 4 | ||||
| -rw-r--r-- | src/cmd/link/internal/ld/data.go | 7 |
2 files changed, 6 insertions, 5 deletions
diff --git a/misc/wasm/wasm_exec.js b/misc/wasm/wasm_exec.js index df7a6b848f9..5651141f44e 100644 --- a/misc/wasm/wasm_exec.js +++ b/misc/wasm/wasm_exec.js @@ -569,9 +569,9 @@ // The linker guarantees global data starts from at least wasmMinDataAddr. // Keep in sync with cmd/link/internal/ld/data.go:wasmMinDataAddr. - const wasmMinDataAddr = 4096 + 4096; + const wasmMinDataAddr = 4096 + 8192; if (offset >= wasmMinDataAddr) { - throw new Error("command line too long"); + throw new Error("total length of command line and environment variables exceeds limit"); } this._inst.exports.run(argc, argv); diff --git a/src/cmd/link/internal/ld/data.go b/src/cmd/link/internal/ld/data.go index 9abf761038c..694ca1c2dee 100644 --- a/src/cmd/link/internal/ld/data.go +++ b/src/cmd/link/internal/ld/data.go @@ -2450,10 +2450,11 @@ func splitTextSections(ctxt *Link) bool { return (ctxt.IsPPC64() || (ctxt.IsARM64() && ctxt.IsDarwin())) && ctxt.IsExternal() } -// On Wasm, we reserve 4096 bytes for zero page, then 4096 bytes for wasm_exec.js -// to store command line args. Data sections starts from at least address 8192. +// On Wasm, we reserve 4096 bytes for zero page, then 8192 bytes for wasm_exec.js +// to store command line args and environment variables. +// Data sections starts from at least address 12288. // Keep in sync with wasm_exec.js. -const wasmMinDataAddr = 4096 + 4096 +const wasmMinDataAddr = 4096 + 8192 // address assigns virtual addresses to all segments and sections and // returns all segments in file order. |