Re: [PATCH v4 02/15] objtool: Add ASM_STACK_FRAME_NON_STANDARD
From: Josh Poimboeuf <hidden>
Date: 2021-10-06 03:37:54
Also in:
linux-hardening, lkml
From: Josh Poimboeuf <hidden>
Date: 2021-10-06 03:37:54
Also in:
linux-hardening, lkml
On Thu, Sep 30, 2021 at 11:05:18AM -0700, Sami Tolvanen wrote:
To use the STACK_FRAME_NON_STANDARD macro for a static symbol defined in inline assembly, we need a C declaration that implies global visibility. This type mismatch confuses the compiler with CONFIG_CFI_CLANG. This change adds an inline assembly version of the macro to avoid the issue. Signed-off-by: Sami Tolvanen <samitolvanen@google.com>
Acked-by: Josh Poimboeuf <redacted> -- Josh