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#ifndef __CTR_H
#define __CTR_H
// Definitions for creating compile time requests. The DECL_CTR macro
// produces requests (text strings) that are placed in a special
// section of the intermediate object files (*.o). The build extracts
// these strings and places them in out/compile_time_requests.txt.
// The scripts/buildcommand.py code then generates
// out/compile_time_request.c from these requests.
#include "compiler.h" // __section
// Declare a compile time request
#define DECL_CTR(REQUEST) \
static char __PASTE(_DECLS_, __LINE__)[] __attribute__((used)) \
__section(".compile_time_request") = (REQUEST)
// Helper macros for encoding an integer
#define CTR_HEX(H) ((H) > 9 ? (H) - 10 + 'A' : (H) + '0')
#define CTR_INT(V, S) CTR_HEX(((uint32_t)(V) >> (S)) & 0x0f)
// Declare a compile time request with an integer expression
#define DECL_CTR_INT(REQUEST, VALUE) \
static struct { char _r[sizeof(REQUEST)]; char _v[12]; } \
__PASTE(_DECLI_, __LINE__) __attribute__((used)) \
__section(".compile_time_request") = { \
REQUEST " ", { \
(VALUE) < 0 ? '-' : '+', '0', 'x', \
CTR_INT((VALUE),28), CTR_INT((VALUE),24), \
CTR_INT((VALUE),20), CTR_INT((VALUE),16), \
CTR_INT((VALUE),12), CTR_INT((VALUE),8), \
CTR_INT((VALUE),4), CTR_INT((VALUE),0), 0 } }
#endif // ctr.h
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