diff options
| author | _ov4 <ov4@ov4.org> | 2026-10-18 05:10:30 +0000 |
|---|---|---|
| committer | _ov4 <ov4@ov4.org> | 2026-10-18 05:10:30 +0000 |
| commit | 6f2656e551414cbca4b57e866f4719dd9d1734cd (patch) | |
| tree | cacaabfa48a7cc0d7054c5c59c0b2c4816759b87 /AGENTS | |
| parent | 1be4fd3beb6a1dc9e7cf7dd8b5da5db635feb54b (diff) | |
fix(driver): add COFF jump stubs for external object calls
Route external direct CALL/JMP PCRel32 references through nearby JITLink
stubs so user objects can reach distant Windows CRT functions. Reuse the
personality stub tables and preserve data references.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Diffstat (limited to 'AGENTS')
| -rw-r--r-- | AGENTS/ARCH.md | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/AGENTS/ARCH.md b/AGENTS/ARCH.md index 0479641..2e122a5 100644 --- a/AGENTS/ARCH.md +++ b/AGENTS/ARCH.md @@ -141,7 +141,9 @@ Driver behavior (`tools/driver/main.cc`): Windows x86_64 keeps the GNU C++ runtime and `__gxx_personality_seh0` with a small in-process COFF adapter: per-graph `__ImageBase` shared by relocations and SEH registration, default backend liveness for `.pdata`, JITLink - pointer-jump stubs for the `.xdata` personality references, and + pointer-jump stubs for external direct CALL/JMP PCRel32 references in user + objects and `.xdata` personality references (shared per target; data references + are preserved), and `RtlAddFunctionTable`/`RtlDeleteFunctionTable` via JITLink allocation actions covering teardown and link-failure cleanup, with table validation in the registration callback; registration failure blocks entry. |