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rtems: Change CONTEXT_FP_SIZE define

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Define CONTEXT_FP_SIZE to zero in case hardware and software floating
point support is disabled.  The problem is that empty structures have a
different size in C and C++.  In C++ they have a non-zero size leading
to an overestimate of the workspace size.
This commit is contained in:
Sebastian Huber
2015-06-03 00:20:54 +02:00
parent 43d7005829
commit f455cdeabe
1 changed files with 5 additions and 1 deletions
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6
cpukit/score/include/rtems/score/context.h
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@@ -43,7 +43,11 @@ extern "C" {
* This constant defines the number of bytes required * This constant defines the number of bytes required
* to store a full floating point context. * to store a full floating point context.
*/ */
#define CONTEXT_FP_SIZE CPU_CONTEXT_FP_SIZE #if ( CPU_HARDWARE_FP == TRUE ) || ( CPU_SOFTWARE_FP == TRUE )
#define CONTEXT_FP_SIZE CPU_CONTEXT_FP_SIZE
#else
#define CONTEXT_FP_SIZE 0
#endif
/** /**
* @brief Initialize context area. * @brief Initialize context area.