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new e57cfc3778 arm64/toolchain: Add -fstack-usage for stack analysis
e57cfc3778 is described below
commit e57cfc3778224f5c00af061aae88120d1c027ea7
Author: wangjianyu3 <wangjian...@xiaomi.com>
AuthorDate: Tue May 27 20:18:08 2025 +0800
arm64/toolchain: Add -fstack-usage for stack analysis
After `CONFIG_STACK_USAGE` enabled, no "*.su" file was generated,
tools/showstack.sh output nothing.
Signed-off-by: wangjianyu3 <wangjian...@xiaomi.com>
---
arch/arm64/src/Toolchain.defs | 8 ++++++++
arch/arm64/src/cmake/Toolchain.cmake | 8 ++++++++
2 files changed, 16 insertions(+)
diff --git a/arch/arm64/src/Toolchain.defs b/arch/arm64/src/Toolchain.defs
index 4086257541..0db36aa011 100644
--- a/arch/arm64/src/Toolchain.defs
+++ b/arch/arm64/src/Toolchain.defs
@@ -76,6 +76,14 @@ ifeq ($(CONFIG_STACK_CANARIES),y)
ARCHOPTIMIZATION += -fstack-protector-all
endif
+ifeq ($(CONFIG_STACK_USAGE),y)
+ ARCHOPTIMIZATION += -fstack-usage
+endif
+
+ifneq ($(CONFIG_STACK_USAGE_WARNING),0)
+ ARCHOPTIMIZATION += -Wstack-usage=$(CONFIG_STACK_USAGE_WARNING)
+endif
+
ifeq ($(CONFIG_MM_UBSAN_ALL),y)
ARCHOPTIMIZATION += $(CONFIG_MM_UBSAN_OPTION)
endif
diff --git a/arch/arm64/src/cmake/Toolchain.cmake
b/arch/arm64/src/cmake/Toolchain.cmake
index 973f8c8897..e02f6f3bd8 100644
--- a/arch/arm64/src/cmake/Toolchain.cmake
+++ b/arch/arm64/src/cmake/Toolchain.cmake
@@ -105,6 +105,14 @@ if(CONFIG_STACK_CANARIES)
add_compile_options(-fstack-protector-all)
endif()
+if(CONFIG_STACK_USAGE)
+ add_compile_options(-fstack-usage)
+endif()
+
+if(CONFIG_STACK_USAGE_WARNING)
+ add_compile_options(-Wstack-usage=${CONFIG_STACK_USAGE_WARNING})
+endif()
+
if(CONFIG_MM_UBSAN_ALL)
add_compile_options(${CONFIG_MM_UBSAN_OPTION})
endif()
