Update libunwind #174
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jethrogb
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I thought @VardhanThigle had made some progress here but I can't find the branch. |
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First PR in rust-sgx: #228 Pending:
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This was referenced May 26, 2020
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Code is guarded via defines to enable only if 'RUST_SGX' is present. Main logic is in libunwind/src/AddressSpace.hpp We use 6 symbols to figure out where eh_frame / eh_frame_hdr is at runtime when loaded in an SGX enclave. (EH symbols + IMAGE base) These are set by 'fortanix-sgx-tools'. As notes: - Target above at the moment uses a pre-compiled libunwind.a from forked repo. - Goal of these changes is to use official llvm with patch. - Changes in rust-lang to use this are planned if/when this is accepted. - Ticket: fortanix/rust-sgx#174 - Original ported changes: llvm/llvm-project@release/5.x...fortanix:release/5.x
Manishearth
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Fortanix SGX target libunwind build process changes Ticket: fortanix/rust-sgx#174 LLVM related changes (merged): rust-lang/llvm-project#57 Description: libunwind changes needed to run code in sgx environment via rust-sgx. Target that uses this in rust: x86_64-fortanix-unknown-sgx. Without this change, rust std for this toolchain is forced to use a precompiled library loaded via environment variable. With this change we act the same as musl target.
cuviper
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Code is guarded via defines to enable only if 'RUST_SGX' is present. Main logic is in libunwind/src/AddressSpace.hpp We use 6 symbols to figure out where eh_frame / eh_frame_hdr is at runtime when loaded in an SGX enclave. (EH symbols + IMAGE base) These are set by 'fortanix-sgx-tools'. As notes: - Target above at the moment uses a pre-compiled libunwind.a from forked repo. - Goal of these changes is to use official llvm with patch. - Changes in rust-lang to use this are planned if/when this is accepted. - Ticket: fortanix/rust-sgx#174 - Original ported changes: llvm/llvm-project@release/5.x...fortanix:release/5.x
cuviper
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Code is guarded via defines to enable only if 'RUST_SGX' is present. Main logic is in libunwind/src/AddressSpace.hpp We use 6 symbols to figure out where eh_frame / eh_frame_hdr is at runtime when loaded in an SGX enclave. (EH symbols + IMAGE base) These are set by 'fortanix-sgx-tools'. As notes: - Target above at the moment uses a pre-compiled libunwind.a from forked repo. - Goal of these changes is to use official llvm with patch. - Changes in rust-lang to use this are planned if/when this is accepted. - Ticket: fortanix/rust-sgx#174 - Original ported changes: llvm/llvm-project@release/5.x...fortanix:release/5.x
cuviper
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Code is guarded via defines to enable only if 'RUST_SGX' is present. Main logic is in libunwind/src/AddressSpace.hpp We use 6 symbols to figure out where eh_frame / eh_frame_hdr is at runtime when loaded in an SGX enclave. (EH symbols + IMAGE base) These are set by 'fortanix-sgx-tools'. As notes: - Target above at the moment uses a pre-compiled libunwind.a from forked repo. - Goal of these changes is to use official llvm with patch. - Changes in rust-lang to use this are planned if/when this is accepted. - Ticket: fortanix/rust-sgx#174 - Original ported changes: llvm/llvm-project@release/5.x...fortanix:release/5.x
cuviper
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Code is guarded via defines to enable only if 'RUST_SGX' is present. Main logic is in libunwind/src/AddressSpace.hpp We use 6 symbols to figure out where eh_frame / eh_frame_hdr is at runtime when loaded in an SGX enclave. (EH symbols + IMAGE base) These are set by 'fortanix-sgx-tools'. As notes: - Target above at the moment uses a pre-compiled libunwind.a from forked repo. - Goal of these changes is to use official llvm with patch. - Changes in rust-lang to use this are planned if/when this is accepted. - Ticket: fortanix/rust-sgx#174 - Original ported changes: llvm/llvm-project@release/5.x...fortanix:release/5.x
cuviper
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Code is guarded via defines to enable only if 'RUST_SGX' is present. Main logic is in libunwind/src/AddressSpace.hpp We use 6 symbols to figure out where eh_frame / eh_frame_hdr is at runtime when loaded in an SGX enclave. (EH symbols + IMAGE base) These are set by 'fortanix-sgx-tools'. As notes: - Target above at the moment uses a pre-compiled libunwind.a from forked repo. - Goal of these changes is to use official llvm with patch. - Changes in rust-lang to use this are planned if/when this is accepted. - Ticket: fortanix/rust-sgx#174 - Original ported changes: llvm/llvm-project@release/5.x...fortanix:release/5.x
cuviper
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Code is guarded via defines to enable only if 'RUST_SGX' is present. Main logic is in libunwind/src/AddressSpace.hpp We use 6 symbols to figure out where eh_frame / eh_frame_hdr is at runtime when loaded in an SGX enclave. (EH symbols + IMAGE base) These are set by 'fortanix-sgx-tools'. As notes: - Target above at the moment uses a pre-compiled libunwind.a from forked repo. - Goal of these changes is to use official llvm with patch. - Changes in rust-lang to use this are planned if/when this is accepted. - Ticket: fortanix/rust-sgx#174 - Original ported changes: llvm/llvm-project@release/5.x...fortanix:release/5.x
cuviper
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Code is guarded via defines to enable only if 'RUST_SGX' is present. Main logic is in libunwind/src/AddressSpace.hpp We use 6 symbols to figure out where eh_frame / eh_frame_hdr is at runtime when loaded in an SGX enclave. (EH symbols + IMAGE base) These are set by 'fortanix-sgx-tools'. As notes: - Target above at the moment uses a pre-compiled libunwind.a from forked repo. - Goal of these changes is to use official llvm with patch. - Changes in rust-lang to use this are planned if/when this is accepted. - Ticket: fortanix/rust-sgx#174 - Original ported changes: llvm/llvm-project@release/5.x...fortanix:release/5.x
nikic
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Code is guarded via defines to enable only if 'RUST_SGX' is present. Main logic is in libunwind/src/AddressSpace.hpp We use 6 symbols to figure out where eh_frame / eh_frame_hdr is at runtime when loaded in an SGX enclave. (EH symbols + IMAGE base) These are set by 'fortanix-sgx-tools'. As notes: - Target above at the moment uses a pre-compiled libunwind.a from forked repo. - Goal of these changes is to use official llvm with patch. - Changes in rust-lang to use this are planned if/when this is accepted. - Ticket: fortanix/rust-sgx#174 - Original ported changes: llvm/llvm-project@release/5.x...fortanix:release/5.x
badboy
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Code is guarded via defines to enable only if 'RUST_SGX' is present. Main logic is in libunwind/src/AddressSpace.hpp We use 6 symbols to figure out where eh_frame / eh_frame_hdr is at runtime when loaded in an SGX enclave. (EH symbols + IMAGE base) These are set by 'fortanix-sgx-tools'. As notes: - Target above at the moment uses a pre-compiled libunwind.a from forked repo. - Goal of these changes is to use official llvm with patch. - Changes in rust-lang to use this are planned if/when this is accepted. - Ticket: fortanix/rust-sgx#174 - Original ported changes: llvm/llvm-project@release/5.x...fortanix:release/5.x
cuviper
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Code is guarded via defines to enable only if 'RUST_SGX' is present. Main logic is in libunwind/src/AddressSpace.hpp We use 6 symbols to figure out where eh_frame / eh_frame_hdr is at runtime when loaded in an SGX enclave. (EH symbols + IMAGE base) These are set by 'fortanix-sgx-tools'. As notes: - Target above at the moment uses a pre-compiled libunwind.a from forked repo. - Goal of these changes is to use official llvm with patch. - Changes in rust-lang to use this are planned if/when this is accepted. - Ticket: fortanix/rust-sgx#174 - Original ported changes: llvm/llvm-project@release/5.x...fortanix:release/5.x
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@AdrianCX is this fixed? |
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Yes. For book keeping, these are the PRs:
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nikic
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Code is guarded via defines to enable only if 'RUST_SGX' is present. Main logic is in libunwind/src/AddressSpace.hpp We use 6 symbols to figure out where eh_frame / eh_frame_hdr is at runtime when loaded in an SGX enclave. (EH symbols + IMAGE base) These are set by 'fortanix-sgx-tools'. As notes: - Target above at the moment uses a pre-compiled libunwind.a from forked repo. - Goal of these changes is to use official llvm with patch. - Changes in rust-lang to use this are planned if/when this is accepted. - Ticket: fortanix/rust-sgx#174 - Original ported changes: llvm/llvm-project@release/5.x...fortanix:release/5.x
nikic
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Code is guarded via defines to enable only if 'RUST_SGX' is present. Main logic is in libunwind/src/AddressSpace.hpp We use 6 symbols to figure out where eh_frame / eh_frame_hdr is at runtime when loaded in an SGX enclave. (EH symbols + IMAGE base) These are set by 'fortanix-sgx-tools'. As notes: - Target above at the moment uses a pre-compiled libunwind.a from forked repo. - Goal of these changes is to use official llvm with patch. - Changes in rust-lang to use this are planned if/when this is accepted. - Ticket: fortanix/rust-sgx#174 - Original ported changes: llvm/llvm-project@release/5.x...fortanix:release/5.x
vadorovsky
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Code is guarded via defines to enable only if 'RUST_SGX' is present. Main logic is in libunwind/src/AddressSpace.hpp We use 6 symbols to figure out where eh_frame / eh_frame_hdr is at runtime when loaded in an SGX enclave. (EH symbols + IMAGE base) These are set by 'fortanix-sgx-tools'. As notes: - Target above at the moment uses a pre-compiled libunwind.a from forked repo. - Goal of these changes is to use official llvm with patch. - Changes in rust-lang to use this are planned if/when this is accepted. - Ticket: fortanix/rust-sgx#174 - Original ported changes: llvm/llvm-project@release/5.x...fortanix:release/5.x
nikic
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Code is guarded via defines to enable only if 'RUST_SGX' is present. Main logic is in libunwind/src/AddressSpace.hpp We use 6 symbols to figure out where eh_frame / eh_frame_hdr is at runtime when loaded in an SGX enclave. (EH symbols + IMAGE base) These are set by 'fortanix-sgx-tools'. As notes: - Target above at the moment uses a pre-compiled libunwind.a from forked repo. - Goal of these changes is to use official llvm with patch. - Changes in rust-lang to use this are planned if/when this is accepted. - Ticket: fortanix/rust-sgx#174 - Original ported changes: llvm/llvm-project@release/5.x...fortanix:release/5.x
nikic
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Code is guarded via defines to enable only if 'RUST_SGX' is present. Main logic is in libunwind/src/AddressSpace.hpp We use 6 symbols to figure out where eh_frame / eh_frame_hdr is at runtime when loaded in an SGX enclave. (EH symbols + IMAGE base) These are set by 'fortanix-sgx-tools'. As notes: - Target above at the moment uses a pre-compiled libunwind.a from forked repo. - Goal of these changes is to use official llvm with patch. - Changes in rust-lang to use this are planned if/when this is accepted. - Ticket: fortanix/rust-sgx#174 - Original ported changes: llvm/llvm-project@release/5.x...fortanix:release/5.x
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Code is guarded via defines to enable only if 'RUST_SGX' is present. Main logic is in libunwind/src/AddressSpace.hpp We use 6 symbols to figure out where eh_frame / eh_frame_hdr is at runtime when loaded in an SGX enclave. (EH symbols + IMAGE base) These are set by 'fortanix-sgx-tools'. As notes: - Target above at the moment uses a pre-compiled libunwind.a from forked repo. - Goal of these changes is to use official llvm with patch. - Changes in rust-lang to use this are planned if/when this is accepted. - Ticket: fortanix/rust-sgx#174 - Original ported changes: llvm/llvm-project@release/5.x...fortanix:release/5.x
nikic
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Code is guarded via defines to enable only if 'RUST_SGX' is present. Main logic is in libunwind/src/AddressSpace.hpp We use 6 symbols to figure out where eh_frame / eh_frame_hdr is at runtime when loaded in an SGX enclave. (EH symbols + IMAGE base) These are set by 'fortanix-sgx-tools'. As notes: - Target above at the moment uses a pre-compiled libunwind.a from forked repo. - Goal of these changes is to use official llvm with patch. - Changes in rust-lang to use this are planned if/when this is accepted. - Ticket: fortanix/rust-sgx#174 - Original ported changes: llvm/llvm-project@release/5.x...fortanix:release/5.x
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Code is guarded via defines to enable only if 'RUST_SGX' is present. Main logic is in libunwind/src/AddressSpace.hpp We use 6 symbols to figure out where eh_frame / eh_frame_hdr is at runtime when loaded in an SGX enclave. (EH symbols + IMAGE base) These are set by 'fortanix-sgx-tools'. As notes: - Target above at the moment uses a pre-compiled libunwind.a from forked repo. - Goal of these changes is to use official llvm with patch. - Changes in rust-lang to use this are planned if/when this is accepted. - Ticket: fortanix/rust-sgx#174 - Original ported changes: llvm/llvm-project@release/5.x...fortanix:release/5.x
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Code is guarded via defines to enable only if 'RUST_SGX' is present. Main logic is in libunwind/src/AddressSpace.hpp We use 6 symbols to figure out where eh_frame / eh_frame_hdr is at runtime when loaded in an SGX enclave. (EH symbols + IMAGE base) These are set by 'fortanix-sgx-tools'. As notes: - Target above at the moment uses a pre-compiled libunwind.a from forked repo. - Goal of these changes is to use official llvm with patch. - Changes in rust-lang to use this are planned if/when this is accepted. - Ticket: fortanix/rust-sgx#174 - Original ported changes: llvm/llvm-project@release/5.x...fortanix:release/5.x
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Code is guarded via defines to enable only if 'RUST_SGX' is present. Main logic is in libunwind/src/AddressSpace.hpp We use 6 symbols to figure out where eh_frame / eh_frame_hdr is at runtime when loaded in an SGX enclave. (EH symbols + IMAGE base) These are set by 'fortanix-sgx-tools'. As notes: - Target above at the moment uses a pre-compiled libunwind.a from forked repo. - Goal of these changes is to use official llvm with patch. - Changes in rust-lang to use this are planned if/when this is accepted. - Ticket: fortanix/rust-sgx#174 - Original ported changes: llvm/llvm-project@release/5.x...fortanix:release/5.x
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Code is guarded via defines to enable only if 'RUST_SGX' is present. Main logic is in libunwind/src/AddressSpace.hpp We use 6 symbols to figure out where eh_frame / eh_frame_hdr is at runtime when loaded in an SGX enclave. (EH symbols + IMAGE base) These are set by 'fortanix-sgx-tools'. As notes: - Target above at the moment uses a pre-compiled libunwind.a from forked repo. - Goal of these changes is to use official llvm with patch. - Changes in rust-lang to use this are planned if/when this is accepted. - Ticket: fortanix/rust-sgx#174 - Original ported changes: llvm/llvm-project@release/5.x...fortanix:release/5.x
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Code is guarded via defines to enable only if 'RUST_SGX' is present. Main logic is in libunwind/src/AddressSpace.hpp We use 6 symbols to figure out where eh_frame / eh_frame_hdr is at runtime when loaded in an SGX enclave. (EH symbols + IMAGE base) These are set by 'fortanix-sgx-tools'. As notes: - Target above at the moment uses a pre-compiled libunwind.a from forked repo. - Goal of these changes is to use official llvm with patch. - Changes in rust-lang to use this are planned if/when this is accepted. - Ticket: fortanix/rust-sgx#174 - Original ported changes: llvm/llvm-project@release/5.x...fortanix:release/5.x
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Code is guarded via defines to enable only if 'RUST_SGX' is present. Main logic is in libunwind/src/AddressSpace.hpp We use 6 symbols to figure out where eh_frame / eh_frame_hdr is at runtime when loaded in an SGX enclave. (EH symbols + IMAGE base) These are set by 'fortanix-sgx-tools'. As notes: - Target above at the moment uses a pre-compiled libunwind.a from forked repo. - Goal of these changes is to use official llvm with patch. - Changes in rust-lang to use this are planned if/when this is accepted. - Ticket: fortanix/rust-sgx#174 - Original ported changes: llvm/llvm-project@release/5.x...fortanix:release/5.x
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Code is guarded via defines to enable only if 'RUST_SGX' is present. Main logic is in libunwind/src/AddressSpace.hpp We use 6 symbols to figure out where eh_frame / eh_frame_hdr is at runtime when loaded in an SGX enclave. (EH symbols + IMAGE base) These are set by 'fortanix-sgx-tools'. As notes: - Target above at the moment uses a pre-compiled libunwind.a from forked repo. - Goal of these changes is to use official llvm with patch. - Changes in rust-lang to use this are planned if/when this is accepted. - Ticket: fortanix/rust-sgx#174 - Original ported changes: llvm/llvm-project@release/5.x...fortanix:release/5.x
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Currently, we are using libunwind from LLVM 5. We should update to the latest version. Here's a summary of our changes llvm/llvm-project@release/5.x...fortanix:release/5.x
We should also avoid the separate build & link step, but just build it as part of the rust compilation process. See also rust-lang/rust#63173
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