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arch/arm/src/armv7-m: Add ARMv7-M setjmp/longjump functions.

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This commit is contained in:
David S. Alessio
2019-08-06 15:59:19 -06:00
committed by Gregory Nutt
parent ec5120f69e
commit ced0dc1e16
27 changed files with 497 additions and 7 deletions
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Kconfig
+29 -5
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@@ -425,11 +425,11 @@ config ARCH_STDARG_H
bool "stdarg.h"
default n
---help---
There is also a redirecting version of stdarg.h in the source tree
as well. It also resides out-of-the-way at include/nuttx/lib/stdarg.h.
This is because you should normally use your toolchain's stdarg.h
file. But sometimes, your toolchain's stdarg.h file may have other
header file dependencies and so may not be usable in the NuttX build
There is a redirecting version of stdarg.h in the source tree. It
resides out-of-the-way at include/nuttx/lib/stdarg.h. This is
because you should normally use your toolchain's stdarg.h file. But
sometimes, your toolchain's stdarg.h file may have other header
file dependencies and so may not be usable in the NuttX build
environment. In those cases, you may have to create a architecture-
specific stdarg.h header file at nuttx/arch/<architecture>/include/stdarg.h
@@ -440,6 +440,30 @@ config ARCH_STDARG_H
ARCH_STDARG_H=y and providing. If ARCH_STDARG_H, is not defined, then
the stdarg.h header file will stay out-of-the-way in include/nuttx/.
config ARCH_HAVE_SETJMP
bool
default n
config ARCH_SETJMP_H
bool "setjmp.h"
default n
depends on ARCH_HAVE_SETJMP
---help---
There is a redirecting version of setjmp.h in the source tree. It
resides out-of-the-way at include/nuttx/lib/setjmp.h. This is
because you should normally use your toolchain's setjmp.h file. But
sometimes, your toolchain's setjmp.h file may have other header
file dependencies and so may not be usable in the NuttX build
environment. In those cases, you may have to create a architecture-
specific setjmp.h header file at nuttx/arch/<architecture>/include/setjmp.h
If ARCH_SETJMP_H=y is defined, the top-level makefile will copy the
re-directing setjmp.h header file from include/nuttx/lib/setjmp.h to
include/setjmp.h. So for the architectures that cannot use their
toolchain's setjmp.h file, they can use this alternative by defining
ARCH_SETJMP_H=y and providing. If ARCH_SETJMP_H, is not defined, then
the setjmp.h header file will stay out-of-the-way in include/nuttx/.
config ARCH_DEBUG_H
bool "debug.h"
default n