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| author | Gregory Nutt <gnutt@nuttx.org> | 2015-04-15 16:38:08 -0600 |
|---|---|---|
| committer | Gregory Nutt <gnutt@nuttx.org> | 2015-04-15 16:38:08 -0600 |
| commit | 637ffe5d873e80af0c9c7b6a40706c3eccf64656 (patch) | |
| tree | 9607a025b2f9b00e7ce8b554732b1dee3e1bcb55 | |
| parent | 6ef3f7271f6a54069046b859e6d1c120425370ab (diff) | |
| download | px4-nuttx-637ffe5d873e80af0c9c7b6a40706c3eccf64656.tar.gz px4-nuttx-637ffe5d873e80af0c9c7b6a40706c3eccf64656.tar.bz2 px4-nuttx-637ffe5d873e80af0c9c7b6a40706c3eccf64656.zip | |
Update comments
| -rw-r--r-- | nuttx/arch/arm/src/armv7-m/Kconfig | 18 |
1 files changed, 12 insertions, 6 deletions
diff --git a/nuttx/arch/arm/src/armv7-m/Kconfig b/nuttx/arch/arm/src/armv7-m/Kconfig index 750229be1..b8c3cb817 100644 --- a/nuttx/arch/arm/src/armv7-m/Kconfig +++ b/nuttx/arch/arm/src/armv7-m/Kconfig @@ -115,12 +115,18 @@ config ARMV7M_STACKCHECK default n depends on ARMV7M_HAVE_STACKCHECK ---help--- - This check uses R10 to check for a stack overflow within each function - call. This has performances and code size impacts, but it will be able to - catch hard to find stack overflows. - - Currently only available only for the STM32 architecture. The changes - are not complex and patches for other architectures will be accepted. + This check uses R10 to check for a stack overflow within each + function call. This has performances and code size impacts, but it + will be able to catch hard to find stack overflows. + + Currently only available only for the STM32, SAM3/4 and SAMA5D + architectures. The changes are not complex and patches for + other architectures will be accepted. + + This option requires that you are using a GCC toolchain and that + you also include -finstrument-functions in your CFLAGS when you + compile. This addition to your CFLAGS should probably be added + to the definition of the CFFLAGS in your board Make.defs file. config ARMV7M_ITMSYSLOG bool "ITM SYSLOG support" |