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- From b2a94de52ae4a940a87d569815b19d3fa92dd32a Mon Sep 17 00:00:00 2001
- From: Tom Hochstein <tom.hochstein@nxp.com>
- Date: Mon, 16 May 2022 13:45:16 -0500
- Subject: [PATCH] LF-7968-01 fix(Makefile): Suppress array-bounds error
- The array-bounds error is triggered now in cases where it was silent
- before, causing errors like:
- ```
- plat/imx/imx8m/hab.c: In function 'imx_hab_handler':
- plat/imx/imx8m/hab.c:64:57: error: array subscript 0 is outside array bounds of 'uint32_t[0]' {aka 'unsigned int[]'} [-Werror=array-bounds]
- 64 | #define HAB_RVT_CHECK_TARGET_ARM64 ((unsigned long)*(uint32_t *)(HAB_RVT_BASE + 0x18))
- | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
- ```
- The error is a false-positive and is entered as a bug [1]. The problem
- is fixed partially in GCC 12 and fully in GCC 13 [2].
- The partial fix does not work here because the constant addresses used
- are less than the 4kB boundary chosen for the partial fix, so suppress
- the error until GCC is upgraded to 13.
- [1] https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99578
- [2] https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99578#c39
- Upstream-Status: Inappropriate [other]
- Signed-off-by: Tom Hochstein <tom.hochstein@nxp.com>
- Signed-off-by: Jacky Bai <ping.bai@nxp.com>
- Reviewed-by: Ye Li <ye.li@nxp.com>
- Signed-off-by: Brandon Maier <brandon.maier@collins.com>
- Upstream: https://github.com/nxp-imx/imx-atf/commit/058bf0f104115037d03e277f079825ef3659c5b9
- ---
- Makefile | 2 +-
- 1 file changed, 1 insertion(+), 1 deletion(-)
- diff --git a/Makefile b/Makefile
- index c87c3ae08..2d6b90f47 100644
- --- a/Makefile
- +++ b/Makefile
- @@ -346,7 +346,7 @@ WARNINGS += -Wshift-overflow -Wshift-sign-overflow \
- endif
-
- ifneq (${E},0)
- -ERRORS := -Werror
- +ERRORS := -Werror -Wno-error=array-bounds
- endif
-
- CPPFLAGS = ${DEFINES} ${INCLUDES} ${MBEDTLS_INC} -nostdinc \
- --
- 2.41.0
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