Commit 3550a516 authored by Sam Ravnborg's avatar Sam Ravnborg Committed by Sam Ravnborg

kbuild: __extension__ support in genksyms (fix unknown CRC warning)

Recently the __extension__ keyword has been introduced in the kernel.
Teach genksyms about this keyword so it can generate correct CRC for
exported symbols that uses a symbol marked __extension__.
For now only the typedef variant:

	__extension__ typedef ...

is supported.
Later we may add more variants as needed.

This patch contains the actual source file changes. The
following patch will hold modifications to the generated
files (*_shipped) and only after the second patch the fix
has effect.
Signed-off-by: default avatarSam Ravnborg <>
parent a3a6261a
......@@ -11,6 +11,7 @@ __attribute, ATTRIBUTE_KEYW
__attribute__, ATTRIBUTE_KEYW
__const, CONST_KEYW
__const__, CONST_KEYW
__extension__, EXTENSION_KEYW
__inline, INLINE_KEYW
__inline__, INLINE_KEYW
__signed, SIGNED_KEYW
......@@ -61,6 +61,7 @@ remove_list(struct string_list **pb, struct string_list **pe)
%token ENUM_KEYW
%token INT_KEYW
......@@ -110,7 +111,9 @@ declaration:
TYPEDEF_KEYW { is_typedef = 1; } simple_declaration
EXTENSION_KEYW TYPEDEF_KEYW { is_typedef = 1; } simple_declaration
{ $$ = $4; }
| TYPEDEF_KEYW { is_typedef = 1; } simple_declaration
{ $$ = $3; }
| simple_declaration
| function_definition
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