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wasm: use signal handlers for bounds checking in V8 runtime. #15801

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Merged
lizan merged 6 commits into from
Apr 6, 2021
Merged

wasm: use signal handlers for bounds checking in V8 runtime. #15801

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fc51d74
wasm: use signal handlers for bounds checking in V8 runtime.
PiotrSikora Apr 1, 2021
dbf8763
review: use std::call_once.
PiotrSikora Apr 1, 2021
77160c5
review: fix build with GCC.
PiotrSikora Apr 1, 2021
aee2916
review: use merged commit.
PiotrSikora Apr 1, 2021
0ce7beb
review: update commit to latest.
PiotrSikora Apr 2, 2021
004d869
Merge remote-tracking branch 'origin/main' into PiotrSikora/v8-traps
PiotrSikora Apr 5, 2021
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4 changes: 2 additions & 2 deletions bazel/external/wee8.patch
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Original file line number Diff line number Diff line change
@@ -1,5 +1,5 @@
# 1. Fix linking with unbundled toolchain on macOS.
# 2. Increase VSZ limit to 4TiB (allows us to start up to 409 VMs).
# 2. Increase VSZ limit to 64 TiB (allows us to start up to 6,553 VMs).
# 3. Fix MSAN linking.
--- wee8/build/toolchain/gcc_toolchain.gni
+++ wee8/build/toolchain/gcc_toolchain.gni
Expand Down Expand Up @@ -28,7 +28,7 @@
constexpr size_t kAddressSpaceLimit = 0x8000000000L; // 512 GiB
#elif V8_TARGET_ARCH_64_BIT
-constexpr size_t kAddressSpaceLimit = 0x10100000000L; // 1 TiB + 4 GiB
+constexpr size_t kAddressSpaceLimit = 0x40100000000L; // 4 TiB + 4 GiB
+constexpr size_t kAddressSpaceLimit = 0x400100000000L; // 64 TiB + 4 GiB
#else
constexpr size_t kAddressSpaceLimit = 0xC0000000; // 3 GiB
#endif
Expand Down