diff mbox series

[RFC,v3,17/20] x86/tools/relocs: Ignore __kcfi_typeid_ relocations

Message ID 20220610233513.1798771-18-samitolvanen@google.com (mailing list archive)
State New, archived
Headers show
Series KCFI support | expand

Commit Message

Sami Tolvanen June 10, 2022, 11:35 p.m. UTC 
The compiler generates __kcfi_typeid_ symbols for annotating assembly
functions with type information. These are constants that can be
referenced in assembly code and are resolved by the linker. Ignore
them in relocs.

Signed-off-by: Sami Tolvanen <samitolvanen@google.com>
Reviewed-by: Kees Cook <keescook@chromium.org>
---
 arch/x86/tools/relocs.c | 1 +
 1 file changed, 1 insertion(+)
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Patch

diff --git a/arch/x86/tools/relocs.c b/arch/x86/tools/relocs.c
index e2c5b296120d..2925074b9a58 100644
--- a/arch/x86/tools/relocs.c
+++ b/arch/x86/tools/relocs.c
@@ -56,6 +56,7 @@  static const char * const sym_regex_kernel[S_NSYMTYPES] = {
 	"^(xen_irq_disable_direct_reloc$|"
 	"xen_save_fl_direct_reloc$|"
 	"VDSO|"
+	"__kcfi_typeid_|"
 	"__crc_)",
 
 /*