Build fails on aarch64-linux-gnu

[cappadokes]

rustc 1.60.0-nightly
gcc (Ubuntu 9.4.0-1ubuntu1~16.04) 9.4.0
yarn 1.22.17

Error message:

The following warnings were emitted during compilation:

warning: src/arch/aarch64_trampoline.s: Assembler messages:
warning: src/arch/aarch64_trampoline.s:13: Error: bad register expression

error: failed to run custom build command for `nwind v0.1.0 (https://github.com/koute/not-perf.git?rev=51003a4#51003a40)`

Caused by:
  process didn't exit successfully: `/SD_32GB/home/cappadokesm/code/bytehound/target/release/build/nwind-85e5cfcf1e9018ce/build-script-build` (exit status: 1)
  --- stdout
  cargo:rerun-if-changed=src/arch/aarch64_get_regs.s
  cargo:rerun-if-changed=src/arch/aarch64_trampoline.s
  TARGET = Some("aarch64-unknown-linux-gnu")
  OPT_LEVEL = Some("3")
  HOST = Some("aarch64-unknown-linux-gnu")
  CC_aarch64-unknown-linux-gnu = None
  CC_aarch64_unknown_linux_gnu = None
  HOST_CC = None
  CC = None
  CFLAGS_aarch64-unknown-linux-gnu = None
  CFLAGS_aarch64_unknown_linux_gnu = None
  HOST_CFLAGS = None
  CFLAGS = None
  CRATE_CC_NO_DEFAULTS = None
  DEBUG = Some("true")
  CARGO_CFG_TARGET_FEATURE = Some("fp,neon,pmuv3")
  running: "cc" "-O3" "-ffunction-sections" "-fdata-sections" "-fPIC" "-g" "-fno-omit-frame-pointer" "-Wall" "-Wextra" "-o" "/SD_32GB/home/cappadokesm/code/bytehound/target/release/build/nwind-bbe614d31d8d25f4/out/src/arch/aarch64_get_regs.o" "-c" "src/arch/aarch64_get_regs.s"
  exit status: 0
  running: "cc" "-O3" "-ffunction-sections" "-fdata-sections" "-fPIC" "-g" "-fno-omit-frame-pointer" "-Wall" "-Wextra" "-o" "/SD_32GB/home/cappadokesm/code/bytehound/target/release/build/nwind-bbe614d31d8d25f4/out/src/arch/aarch64_trampoline.o" "-c" "src/arch/aarch64_trampoline.s"
  cargo:warning=src/arch/aarch64_trampoline.s: Assembler messages:
  cargo:warning=src/arch/aarch64_trampoline.s:13: Error: bad register expression
  exit status: 1

  --- stderr


  error occurred: Command "cc" "-O3" "-ffunction-sections" "-fdata-sections" "-fPIC" "-g" "-fno-omit-frame-pointer" "-Wall" "-Wextra" "-o" "/SD_32GB/home/cappadokesm/code/bytehound/target/release/build/nwind-bbe614d31d8d25f4/out/src/arch/aarch64_trampoline.o" "-c" "src/arch/aarch64_trampoline.s" with args "cc" did not execute successfully (status code exit status: 1).

I remain at your disposal in case you need any additional information.

Thanks a lot,
X

Edit: the above came up upon running cargo build --release -p bytehound-preload.

[koute]

You're most likely using too old version of gas.

That said, it's probably fixed now, so can you try again with the newest master?

[cappadokes]

Yup, build succeeds now. Thank you!