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assert.h: Add a tag parameter to dead_code()

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When dead_code() is used in inline functions in a header file, the
generated function names (based on the line number) may collide with
a dead_code() in the code file. Now that we are hit by such a case,
we need a quick solution: Add a tag argument for all invocations in
header files.

Change-Id: I0c548ce998cf8e28ae9f76b5c0ea5630b4e91ae2
Signed-off-by: Nico Huber <nico.h@gmx.de>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/40140
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
This commit is contained in:
Nico Huber
2020-04-04 21:00:56 +02:00
committed by Felix Held
parent 37f3d7bb70
commit 7c45c8363d
2 changed files with 7 additions and 7 deletions
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10
src/include/assert.h
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@ -65,13 +65,13 @@
* ramstage/lib/bootmode.o: In function `display_init_required':
* bootmode.c:42: undefined reference to `dead_code_assertion_failed_at_line_42'
*/
#define __dead_code(line) do { \
extern void dead_code_assertion_failed_at_line_##line(void) \
#define __dead_code(tag, line) do { \
extern void dead_code_assertion_failed##tag##_at_line_##line(void) \
__attribute__((noreturn)); \
dead_code_assertion_failed_at_line_##line(); \
dead_code_assertion_failed##tag##_at_line_##line(); \
} while (0)
#define _dead_code(line) __dead_code(line)
#define dead_code() _dead_code(__LINE__)
#define _dead_code(tag, line) __dead_code(tag, line)
#define dead_code(tag) _dead_code(tag, __LINE__)
/* This can be used in the context of an expression of type 'type'. */
#define dead_code_t(type) ({ \