GH-126910: Add gdb support for unwinding JIT frames#146071

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pablogsal merged 39 commits into

python:mainfrom

diegorusso:add-gdb-support

May 2, 2026

Commits on Mar 17, 2026

GH-126910 jit_unwind: refactor EH frame generation
diegorusso
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GH-126910 jit_unwind: add GDB JIT interface and test
diegorusso
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669dfb9
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Fix make smelly
diegorusso
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255c0b3
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Add __jit_debug_descriptor to ignored.tsv
diegorusso
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📜🤖 Added by blurb_it.
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b0bab8c
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Fix check C globals
diegorusso
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a0dff1f
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Commits on Mar 25, 2026

Merge branch 'main' into add-gdb-support
diegorusso
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2b52588
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Fix smelly
diegorusso
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2e40f1d
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Commits on Mar 27, 2026

Address Pablo's feedback
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e44170e
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Commits on Mar 30, 2026

Merge branch 'main' into add-gdb-support
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d890add
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Strengthen JIT GDB backtrace tests
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965a543
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Fix x86_64 unwind
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17be0a2
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Commits on Mar 31, 2026

Add comment for inviariant and fix CFI instructions
diegorusso
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Commits on Apr 1, 2026

Rename jit_executor/jit_shim to just jit_entry
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Commits on Apr 8, 2026

Address Pablo's feedback
diegorusso
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a18cb96
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Make the mutex private
diegorusso
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bdc8d12
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Commits on Apr 16, 2026

Address Pablo's feedback
diegorusso
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6357698
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Commits on Apr 18, 2026

Fix CFI prologue mismatch in GDB JIT unwind info
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pablogsal
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0b07c57
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Tighten skip guards on test_gdb.test_jit
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pablogsal
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Cross-check stepping stays inside JIT region in test_gdb.test_jit
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pablogsal
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Assert backtrace shape in test_gdb.test_jit
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pablogsal
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Commits on Apr 20, 2026

Fix issues
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diegorusso
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Fix GDB JIT unwind info and harden the tests
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pablogsal
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Commits on Apr 23, 2026

Merge branch 'main' into add-gdb-support
diegorusso
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88a1bd8
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Drop all shim related changes.
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Commits on Apr 24, 2026

Relax JIT GDB test backtrace shape
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Commits on Apr 28, 2026

Adding Pablo to news file
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Merge branch 'main' into add-gdb-support
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Commits on Apr 29, 2026

Merge branch 'main' into add-gdb-support
diegorusso
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45cb07a
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Commits on May 1, 2026

GH-126910: Derive JIT unwind info from shim CFI
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diegorusso
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Serialize perf jitdump writes
diegorusso
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37287ba
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Align GDB JIT symtab to 8 bytes
diegorusso
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6e3a2ee
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Remove redundant JIT GDB handle initialization
diegorusso
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c063ff9
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Document JIT code registration handle semantics
diegorusso
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74e65ca
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Reset JIT GDB mutex after fork
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Document JIT LLVM tool requirements
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Merge branch 'main' into add-gdb-support
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efd02d3
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Commits on May 2, 2026

gh-126910: Reset JIT GDB mutex earlier after fork
pablogsal
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27da8e5
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gh-126910: Serialize perf jitdump initialization
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