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Update #3706.
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Close #3734.
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Update #3706
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Enable the use of RTEMS_DEVOLATILE() and RTEMS_DECONST() in strict ISO C
environments.
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Update #3583.
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Update #3585.
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Update #3584.
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In standard C pointer operands are not allowed in integer constant
expressions. Avoid a static assertion based on an array typedef since
this could lead to warnings ("variably modified 'x' at file scope" and
"typedef 'x' locally defined but not used");
This implementation requires unique messages.
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This avoids warnings like this:
warning: ISO C does not allow extra ';' outside of a function [-Wpedantic]
RTEMS_DECLARE_GLOBAL_SYMBOL( abc );
^
Update #3459.
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Add RTEMS_PREDICT_TRUE() and RTEMS_PREDICT_FALSE() for static branch
prediction hints.
Close #3475.
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Add RTEMS_DEFINE_GLOBAL_SYMBOL() and add RTEMS_DECLARE_GLOBAL_SYMBOL().
Update #3459.
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A speciality of the RTEMS build system was the make preinstall step. It
copied header files from arbitrary locations into the build tree. The
header files were included via the -Bsome/build/tree/path GCC command
line option.
This has at least seven problems:
* The make preinstall step itself needs time and disk space.
* Errors in header files show up in the build tree copy. This makes it
hard for editors to open the right file to fix the error.
* There is no clear relationship between source and build tree header
files. This makes an audit of the build process difficult.
* The visibility of all header files in the build tree makes it
difficult to enforce API barriers. For example it is discouraged to
use BSP-specifics in the cpukit.
* An introduction of a new build system is difficult.
* Include paths specified by the -B option are system headers. This
may suppress warnings.
* The parallel build had sporadic failures on some hosts.
This patch removes the make preinstall step. All installed header
files are moved to dedicated include directories in the source tree.
Let @RTEMS_CPU@ be the target architecture, e.g. arm, powerpc, sparc,
etc. Let @RTEMS_BSP_FAMILIY@ be a BSP family base directory, e.g.
erc32, imx, qoriq, etc.
The new cpukit include directories are:
* cpukit/include
* cpukit/score/cpu/@RTEMS_CPU@/include
* cpukit/libnetworking
The new BSP include directories are:
* bsps/include
* bsps/@RTEMS_CPU@/include
* bsps/@RTEMS_CPU@/@RTEMS_BSP_FAMILIY@/include
There are build tree include directories for generated files.
The include directory order favours the most general header file, e.g.
it is not possible to override general header files via the include path
order.
The "bootstrap -p" option was removed. The new "bootstrap -H" option
should be used to regenerate the "headers.am" files.
Update #3254.
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Close #2133.
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Close #2132.
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This fixes some "variably modified" warnings and a clang compile error.
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Update #3056.
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The inline asm construct works for everything which fits into a
register.
Close #2790.
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Update #2790.
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Do not use RTEMS_NO_RETURN hints for debug configurations to ease use of
stack traces in case of fatal errors.
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Rename RTEMS_PRINTF_ATTRIBUTE() into RTEMS_PRINTFLIKE() (similar to
<sys/cdefs.h> __printflike()) and move it to <rtems/score/basedefs.h>.
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Delete SCORE_INIT. This finally removes the
some.h:
#ifndef SOME_XYZ_EXTERN
#define SOME_XYZ_EXTERN extern
#endif
SOME_XYZ_EXTERN type xyz;
some_xyz.c:
#define SOME_XYZ_EXTERN
#include <some.h>
pattern in favour of
some.h:
extern type xyz;
some_xyz.c
#include <some.h>
type xyz;
Update #2559.
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Update #2408.
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This implementation is able to catch cast to type
which differs not only in qualifiers. The error
diagnostic message when used in function is self
descriptive. Macro is compatible with used in initializers
but there message about not constant initial value
signals types incompatibility.
The actual implementation does not distinguish between
volatile and const removal.
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- rtems/score/assert.h: Scheduler Simulator uses glibc assert.h on GNU/Linux.
This will likely need to be adjusted more for other host compilers and
C libraries. Also disable _Assert_Not_reached() because some of these
paths do actually return to the called on the Scheduler Simulator.
- basedefs.h: Do not use noreturn attribute when on Scheduler Simulator.
Paths which context switch can return to the command interpreter on
the Scheduler Simulator.
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Rename _Internal_error_Occurred() into _Terminate().
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