On January 29, 2026 3:27:20 AM PST, Jens Remus <[email protected]> wrote: >This enables generation of SFrame V3 stack trace information for VDSO on >x86-64. It's a continuation of Josh's and Steve's work: > > https://lore.kernel.org/all/[email protected]/ > https://lore.kernel.org/all/[email protected]/ > >This series focuses only on the VDSO code. They are helpful fixes >and updates that doesn't rely on sframes (although the last patch >is sframe related). > >This series applies on top of the latest unwind user sframe series >"[PATCH v13 00/18] unwind_deferred: Implement sframe handling": >https://lore.kernel.org/all/[email protected]/ > >Like above series it depends on the upcoming binutils 2.46 release to >be used to build executables and libraries such as VDSO with SFrame V3 >stack trace information (using the assembler option --gsframe-3). > >Changes in v6: >- SFrame V3 support (SFrame V2 is not supported). >- Prevent GNU_SFRAME program table entry to empty .sframe section. >- Integrate v5 review feedback. (Josh) > >Regards, >Jens > > >Josh Poimboeuf (6): > x86/vdso: Fix DWARF generation for getrandom() > x86/asm: Avoid emitting DWARF CFI for non-VDSO > x86/asm: Simplify VDSO DWARF generation > x86/vdso: Use SYM_FUNC_{START,END} in __kernel_vsyscall() > x86/vdso: Use CFI macros in __vdso_sgx_enter_enclave() > x86/vdso: Enable sframe generation in VDSO > > arch/Kconfig | 7 +++ > arch/x86/entry/vdso/Makefile | 10 +++-- > arch/x86/entry/vdso/vdso-layout.lds.S | 9 +++- > arch/x86/entry/vdso/vdso32/system_call.S | 10 +---- > arch/x86/entry/vdso/vgetrandom-chacha.S | 3 +- > arch/x86/entry/vdso/vsgx.S | 19 +++------ > arch/x86/include/asm/dwarf2.h | 54 +++++++++++++++++------- > arch/x86/include/asm/linkage.h | 33 ++++++++++++--- > arch/x86/include/asm/vdso.h | 1 - > 9 files changed, 97 insertions(+), 49 deletions(-) >
This patchset clashes *hard* with the changes already in tip:x86/entry.
