Josh Poimboeuf 96f3b16a9d objtool: Support Clang RAX DRAP sequence ...

Recent Clang can use RAX as a temporary register for the DRAP stack
alignment sequence.  Add support for that.

Fixes the following warning:

  vmlinux.o: error: objtool: vmw_host_printf+0xd: unknown CFA base reg 0

Closes: https://lore.kernel.org/cefefdd1-7b82-406d-8ff4-e4b167e45ee6@app.fastmail.com
Reported-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Josh Poimboeuf <jpoimboe@kernel.org>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://patch.msgid.link/3f33dc720b83dc6d3a2b7094f75a5c90a0b1cbc5.1773708458.git.jpoimboe@kernel.org

2026-03-18 09:38:52 +01:00

..

arch

objtool: Support Clang RAX DRAP sequence

2026-03-18 09:38:52 +01:00

Documentation

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include/objtool

objtool/klp: Match symbols based on demangled_name for global variables

2026-03-06 08:08:33 -08:00

.gitignore

objtool: Add Function to get the name of a CPU feature

2025-11-24 20:39:47 +01:00

Build

objtool: Add more robust signal error handling, detect and warn about stack overflows

2025-12-03 19:42:37 +01:00

builtin-check.c

objtool: Add wide output for disassembly

2025-11-24 20:40:48 +01:00

builtin-klp.c

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check.c

objtool: Use section/symbol type helpers

2026-03-06 08:08:19 -08:00

disas.c

objtool: Use section/symbol type helpers

2026-03-06 08:08:19 -08:00

elf.c

objtool/klp: Match symbols based on demangled_name for global variables

2026-03-06 08:08:33 -08:00

klp-diff.c

objtool/klp: Correlate locals to globals

2026-03-06 08:08:34 -08:00

klp-post-link.c

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Makefile

kbuild: Add objtool to top-level clean target

2026-02-12 11:30:20 -05:00

noreturns.h

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objtool.c

objtool: Add more robust signal error handling, detect and warn about stack overflows

2025-12-03 19:42:37 +01:00

orc_dump.c

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orc_gen.c

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signal.c

objtool: Add more robust signal error handling, detect and warn about stack overflows

2025-12-03 19:42:37 +01:00

special.c

objtool: Provide access to feature and flags of group alternatives

2025-11-21 15:30:14 +01:00

sync-check.sh

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trace.c

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weak.c

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