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| author | Vincent Palatin <vpalatin@chromium.org> | 2014-05-23 11:02:20 -0700 |
|---|---|---|
| committer | chrome-internal-fetch <chrome-internal-fetch@google.com> | 2014-05-27 23:21:26 +0000 |
| commit | 56e0e67abe77d161d0b90dbecf7d42ecafdfb43b (patch) | |
| tree | 715d7f6cf9bb7a5a300543c91f26aca5b73f0e36 | |
| parent | 8c89bcff4dce7f8921ffda1603d6f77bf8465356 (diff) | |
| download | chrome-ec-stabilize-5899.B.tar.gz | |
move stringify macro to common includestabilize-5899.B
We need to stringify macros arguments in various places in the code,
avoid duplicating this definition.
Signed-off-by: Vincent Palatin <vpalatin@chromium.org>
BRANCH=none
BUG=none
TEST=make buildall
Change-Id: I03530c06139fad4c60711d041239b396d9ed321e
Reviewed-on: https://chromium-review.googlesource.com/201576
Reviewed-by: Alec Berg <alecaberg@chromium.org>
Reviewed-by: Randall Spangler <rspangler@chromium.org>
Commit-Queue: Vincent Palatin <vpalatin@chromium.org>
Tested-by: Vincent Palatin <vpalatin@chromium.org>
| -rw-r--r-- | include/common.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/include/common.h b/include/common.h index 5f236a1f35..cddcde31fa 100644 --- a/include/common.h +++ b/include/common.h @@ -27,6 +27,15 @@ #define CONCAT3(w, x, y) CONCAT_STAGE_1(w, x, y, ) #define CONCAT4(w, x, y, z) CONCAT_STAGE_1(w, x, y, z) +/* + * Macros to turn the argument into a string constant. + * + * Compared to directly using the preprocessor # operator, this 2-stage macro + * is safe with regards to using nested macros and defined arguments. + */ +#define STRINGIFY0(name) #name +#define STRINGIFY(name) STRINGIFY0(name) + /* Macros to access registers */ #define REG32(addr) (*(volatile uint32_t *)(addr)) #define REG16(addr) (*(volatile uint16_t *)(addr)) |