src/arch/aarch64/abi.zig | 90 ++++++++++++++++++++++++++------
 src/codegen/llvm.zig     | 19 ++++---
 test/c_abi/cfuncs.c      | 27 ++++++++++
 test/c_abi/main.zig      | 33 ++++++++++++
 4 files changed, 142 insertions(+), 27 deletions(-)