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* Use newlib libc library This change adds libcmin.a, which is created from newlib libc by selectively removing some of the object files (mostly related to heap management). The list of files is available in tools/sdk/lib/make_libcmin.sh. Files which are not needed are commented out. This change adds support for various functions which were missing, like sscanf, strftime, etc. * Fix some of the time functions * Redirect stdout to serial * Implement __putc_r * Switch to custom newlib build Built from https://github.com/igrr/newlib-xtensa using: ./configure --with-newlib --enable-multilib --disable-newlib-io-c99-formats --enable-newlib-supplied-syscalls --enable-target-optspace --program-transform-name="s&^&xtensa-lx106-elf-&" --disable-option-checking --with-target-subdir=xtensa-lx106-elf --target=xtensa-lx106-elf --enable-newlib-nano-formatted-io --enable-newlib-reent-small --prefix=path-to-arduino-core/tools/sdk/libc CROSS_CFLAGS="-DMALLOC_PROVIDED -DSIGNAL_PROVIDED -DABORT_PROVIDED" make make install * Update tests
101 lines
2.8 KiB
C
101 lines
2.8 KiB
C
#ifdef __sysvnecv70_target
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double EXFUN(fast_sin,(double));
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double EXFUN(fast_cos,(double));
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double EXFUN(fast_tan,(double));
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double EXFUN(fast_asin,(double));
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double EXFUN(fast_acos,(double));
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double EXFUN(fast_atan,(double));
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double EXFUN(fast_sinh,(double));
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double EXFUN(fast_cosh,(double));
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double EXFUN(fast_tanh,(double));
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double EXFUN(fast_asinh,(double));
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double EXFUN(fast_acosh,(double));
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double EXFUN(fast_atanh,(double));
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double EXFUN(fast_abs,(double));
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double EXFUN(fast_sqrt,(double));
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double EXFUN(fast_exp2,(double));
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double EXFUN(fast_exp10,(double));
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double EXFUN(fast_expe,(double));
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double EXFUN(fast_log10,(double));
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double EXFUN(fast_log2,(double));
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double EXFUN(fast_loge,(double));
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#define sin(x) fast_sin(x)
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#define cos(x) fast_cos(x)
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#define tan(x) fast_tan(x)
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#define asin(x) fast_asin(x)
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#define acos(x) fast_acos(x)
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#define atan(x) fast_atan(x)
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#define sinh(x) fast_sinh(x)
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#define cosh(x) fast_cosh(x)
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#define tanh(x) fast_tanh(x)
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#define asinh(x) fast_asinh(x)
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#define acosh(x) fast_acosh(x)
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#define atanh(x) fast_atanh(x)
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#define abs(x) fast_abs(x)
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#define sqrt(x) fast_sqrt(x)
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#define exp2(x) fast_exp2(x)
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#define exp10(x) fast_exp10(x)
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#define expe(x) fast_expe(x)
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#define log10(x) fast_log10(x)
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#define log2(x) fast_log2(x)
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#define loge(x) fast_loge(x)
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#ifdef _HAVE_STDC
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/* These functions are in assembler, they really do take floats. This
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can only be used with a real ANSI compiler */
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float EXFUN(fast_sinf,(float));
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float EXFUN(fast_cosf,(float));
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float EXFUN(fast_tanf,(float));
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float EXFUN(fast_asinf,(float));
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float EXFUN(fast_acosf,(float));
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float EXFUN(fast_atanf,(float));
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float EXFUN(fast_sinhf,(float));
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float EXFUN(fast_coshf,(float));
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float EXFUN(fast_tanhf,(float));
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float EXFUN(fast_asinhf,(float));
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float EXFUN(fast_acoshf,(float));
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float EXFUN(fast_atanhf,(float));
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float EXFUN(fast_absf,(float));
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float EXFUN(fast_sqrtf,(float));
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float EXFUN(fast_exp2f,(float));
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float EXFUN(fast_exp10f,(float));
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float EXFUN(fast_expef,(float));
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float EXFUN(fast_log10f,(float));
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float EXFUN(fast_log2f,(float));
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float EXFUN(fast_logef,(float));
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#define sinf(x) fast_sinf(x)
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#define cosf(x) fast_cosf(x)
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#define tanf(x) fast_tanf(x)
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#define asinf(x) fast_asinf(x)
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#define acosf(x) fast_acosf(x)
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#define atanf(x) fast_atanf(x)
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#define sinhf(x) fast_sinhf(x)
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#define coshf(x) fast_coshf(x)
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#define tanhf(x) fast_tanhf(x)
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#define asinhf(x) fast_asinhf(x)
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#define acoshf(x) fast_acoshf(x)
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#define atanhf(x) fast_atanhf(x)
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#define absf(x) fast_absf(x)
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#define sqrtf(x) fast_sqrtf(x)
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#define exp2f(x) fast_exp2f(x)
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#define exp10f(x) fast_exp10f(x)
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#define expef(x) fast_expef(x)
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#define log10f(x) fast_log10f(x)
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#define log2f(x) fast_log2f(x)
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#define logef(x) fast_logef(x)
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#endif
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/* Override the functions defined in math.h */
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#endif /* __sysvnecv70_target */
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