1540
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master: 77%

Ran 08 Dec 2025 07:59PM UTC

Jobs 3

Files 350

Run time 1min

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Committed 06 Dec 2025 07:33PM UTC coverage: 76.74%. First build

Build # 1540

Build Type

Pull #505

buildkite

Committed by

web-flow

Commit Message

signals: Implement fake_stack_pop for Linux on x86_64 and i686 (#60013)

Add fake_stack_pop implementation for Linux platforms to improve stack
unwinding in debuggers when analyzing core dumps from signals like
SIGQUIT. This provides proper DWARF Call Frame Information (CFI)
directives that help unwinders locate saved register values on the
manipulated stack.

The implementation follows the same pattern as the existing macOS
version, with fake_stack_pop now unified in signals-unix.c to support
both platforms:
- x86_64: Uses .cfi_def_cfa %rsp with offsets for %rip and %rsp
- i686: Uses .cfi_def_cfa %esp with offsets for %eip and %esp
- aarch64: Uses .cfi_def_cfa sp with offsets for lr and sp

The jl_call_in_ctx function on Linux now sets up the stack similarly to
jl_call_in_state on macOS, pushing saved register state and a return
address pointing to fake_stack_pop to enable proper unwinding.

🤖 Generated with Claude Code

Pull Request Pull Request #505:

Run Details

62501 of 81445 relevant lines covered (76.74%)

22437424.1 hits per line

Jobs

ID	Job ID	Ran	Files	Coverage
1540	windows-coverage - 1540	09 Dec 2025 12:09AM UTC	319	74.94
1540	macos-coverage - 1540	08 Dec 2025 07:59PM UTC	350	75.58
1540	linux-coverage - 1540	08 Dec 2025 10:50PM UTC	349	75.63

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