diff options
Diffstat (limited to 'compiler/rustc_codegen_llvm/src/coverageinfo/llvm_cov.rs')
| -rw-r--r-- | compiler/rustc_codegen_llvm/src/coverageinfo/llvm_cov.rs | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/compiler/rustc_codegen_llvm/src/coverageinfo/llvm_cov.rs b/compiler/rustc_codegen_llvm/src/coverageinfo/llvm_cov.rs index 2cd7fa3225a..907d6d41a1f 100644 --- a/compiler/rustc_codegen_llvm/src/coverageinfo/llvm_cov.rs +++ b/compiler/rustc_codegen_llvm/src/coverageinfo/llvm_cov.rs @@ -63,8 +63,18 @@ pub(crate) fn write_function_mappings_to_buffer( expressions: &[ffi::CounterExpression], regions: &ffi::Regions, ) -> Vec<u8> { - let ffi::Regions { code_regions, branch_regions, mcdc_branch_regions, mcdc_decision_regions } = - regions; + let ffi::Regions { + code_regions, + expansion_regions, + branch_regions, + mcdc_branch_regions, + mcdc_decision_regions, + } = regions; + + // SAFETY: + // - All types are FFI-compatible and have matching representations in Rust/C++. + // - For pointer/length pairs, the pointer and length come from the same vector or slice. + // - C++ code does not retain any pointers after the call returns. llvm::build_byte_buffer(|buffer| unsafe { llvm::LLVMRustCoverageWriteFunctionMappingsToBuffer( virtual_file_mapping.as_ptr(), @@ -73,6 +83,8 @@ pub(crate) fn write_function_mappings_to_buffer( expressions.len(), code_regions.as_ptr(), code_regions.len(), + expansion_regions.as_ptr(), + expansion_regions.len(), branch_regions.as_ptr(), branch_regions.len(), mcdc_branch_regions.as_ptr(), |