diff options
Diffstat (limited to 'system/lib')
93 files changed, 16598 insertions, 9983 deletions
diff --git a/system/lib/libc.symbols b/system/lib/libc.symbols index 561f01c1..04fb40d6 100644 --- a/system/lib/libc.symbols +++ b/system/lib/libc.symbols @@ -1,9 +1,15 @@ + T _ZNKSt16bad_array_length4whatEv T _ZNKSt20bad_array_new_length4whatEv T _ZNKSt9bad_alloc4whatEv + T _ZNSt16bad_array_lengthC1Ev + T _ZNSt16bad_array_lengthC2Ev + T _ZNSt16bad_array_lengthD0Ev + T _ZNSt16bad_array_lengthD1Ev + T _ZNSt16bad_array_lengthD2Ev T _ZNSt20bad_array_new_lengthC1Ev T _ZNSt20bad_array_new_lengthC2Ev T _ZNSt20bad_array_new_lengthD0Ev - ? _ZNSt20bad_array_new_lengthD1Ev + T _ZNSt20bad_array_new_lengthD1Ev T _ZNSt20bad_array_new_lengthD2Ev T _ZNSt9bad_allocC1Ev T _ZNSt9bad_allocC2Ev @@ -14,10 +20,15 @@ T _ZSt15set_new_handlerPFvvE T _ZSt17__throw_bad_allocv D _ZSt7nothrow + D _ZTISt16bad_array_length D _ZTISt20bad_array_new_length D _ZTISt9bad_alloc + C _ZTISt9exception + D _ZTSSt16bad_array_length D _ZTSSt20bad_array_new_length D _ZTSSt9bad_alloc + C _ZTSSt9exception + D _ZTVSt16bad_array_length D _ZTVSt20bad_array_new_length D _ZTVSt9bad_alloc W _ZdaPv @@ -28,6 +39,17 @@ W _ZnajRKSt9nothrow_t W _Znwj W _ZnwjRKSt9nothrow_t + T __floatscan + T __overflow + T __seek_on_exit + T __shgetc + T __shlim + W __strtod_l + W __strtof_l + W __strtold_l + T __toread + W __towrite_used + T __uflow T _err T _errx T _verr @@ -67,11 +89,14 @@ W pvalloc W realloc W realloc_in_place + T scalbn + T scalbnl T strtod - T strtod_l + W strtod_l T strtof + W strtof_l T strtold - T strtold_l + W strtold_l W valloc W verr W verrx diff --git a/system/lib/libc/musl/src/internal/floatscan.c b/system/lib/libc/musl/src/internal/floatscan.c new file mode 100644 index 00000000..f6e331d4 --- /dev/null +++ b/system/lib/libc/musl/src/internal/floatscan.c @@ -0,0 +1,496 @@ +#include <stdint.h> +#include <stdio.h> +#include <math.h> +#include <float.h> +#include <limits.h> +#include <errno.h> +#include <ctype.h> + +#include "shgetc.h" +#include "floatscan.h" + +#if LDBL_MANT_DIG == 53 && LDBL_MAX_EXP == 1024 + +#define LD_B1B_DIG 2 +#define LD_B1B_MAX 9007199, 254740991 +#define KMAX 128 + +#else /* LDBL_MANT_DIG == 64 && LDBL_MAX_EXP == 16384 */ + +#define LD_B1B_DIG 3 +#define LD_B1B_MAX 18, 446744073, 709551615 +#define KMAX 2048 + +#endif + +#define MASK (KMAX-1) + +#define CONCAT2(x,y) x ## y +#define CONCAT(x,y) CONCAT2(x,y) + +static long long scanexp(FILE *f, int pok) +{ + int c; + int x; + long long y; + int neg = 0; + + c = shgetc(f); + if (c=='+' || c=='-') { + neg = (c=='-'); + c = shgetc(f); + if (c-'0'>=10U && pok) shunget(f); + } + if (c-'0'>=10U) { + shunget(f); + return LLONG_MIN; + } + for (x=0; c-'0'<10U && x<INT_MAX/10; c = shgetc(f)) + x = 10*x + c-'0'; + for (y=x; c-'0'<10U && y<LLONG_MAX/100; c = shgetc(f)) + y = 10*y + c-'0'; + for (; c-'0'<10U; c = shgetc(f)); + shunget(f); + return neg ? -y : y; +} + + +static long double decfloat(FILE *f, int c, int bits, int emin, int sign, int pok) +{ + uint32_t x[KMAX]; + static const uint32_t th[] = { LD_B1B_MAX }; + int i, j, k, a, z; + long long lrp=0, dc=0; + long long e10=0; + int lnz = 0; + int gotdig = 0, gotrad = 0; + int rp; + int e2; + int emax = -emin-bits+3; + int denormal = 0; + long double y; + long double frac=0; + long double bias=0; + static const int p10s[] = { 10, 100, 1000, 10000, + 100000, 1000000, 10000000, 100000000 }; + + j=0; + k=0; + + /* Don't let leading zeros consume buffer space */ + for (; c=='0'; c = shgetc(f)) gotdig=1; + if (c=='.') { + gotrad = 1; + for (c = shgetc(f); c=='0'; c = shgetc(f)) gotdig=1, lrp--; + } + + x[0] = 0; + for (; c-'0'<10U || c=='.'; c = shgetc(f)) { + if (c == '.') { + if (gotrad) break; + gotrad = 1; + lrp = dc; + } else if (k < KMAX-3) { + dc++; + if (c!='0') lnz = dc; + if (j) x[k] = x[k]*10 + c-'0'; + else x[k] = c-'0'; + if (++j==9) { + k++; + j=0; + } + gotdig=1; + } else { + dc++; + if (c!='0') x[KMAX-4] |= 1; + } + } + if (!gotrad) lrp=dc; + + if (gotdig && (c|32)=='e') { + e10 = scanexp(f, pok); + if (e10 == LLONG_MIN) { + if (pok) { + shunget(f); + } else { + shlim(f, 0); + return 0; + } + e10 = 0; + } + lrp += e10; + } else if (c>=0) { + shunget(f); + } + if (!gotdig) { + errno = EINVAL; + shlim(f, 0); + return 0; + } + + /* Handle zero specially to avoid nasty special cases later */ + if (!x[0]) return sign * 0.0; + + /* Optimize small integers (w/no exponent) and over/under-flow */ + if (lrp==dc && dc<10 && (bits>30 || x[0]>>bits==0)) + return sign * (long double)x[0]; + if (lrp > -emin/2) { + errno = ERANGE; + return sign * LDBL_MAX * LDBL_MAX; + } + if (lrp < emin-2*LDBL_MANT_DIG) { + errno = ERANGE; + return sign * LDBL_MIN * LDBL_MIN; + } + + /* Align incomplete final B1B digit */ + if (j) { + for (; j<9; j++) x[k]*=10; + k++; + j=0; + } + + a = 0; + z = k; + e2 = 0; + rp = lrp; + + /* Optimize small to mid-size integers (even in exp. notation) */ + if (lnz<9 && lnz<=rp && rp < 18) { + if (rp == 9) return sign * (long double)x[0]; + if (rp < 9) return sign * (long double)x[0] / p10s[8-rp]; + int bitlim = bits-3*(int)(rp-9); + if (bitlim>30 || x[0]>>bitlim==0) + return sign * (long double)x[0] * p10s[rp-10]; + } + + /* Align radix point to B1B digit boundary */ + if (rp % 9) { + int rpm9 = rp>=0 ? rp%9 : rp%9+9; + int p10 = p10s[8-rpm9]; + uint32_t carry = 0; + for (k=a; k!=z; k++) { + uint32_t tmp = x[k] % p10; + x[k] = x[k]/p10 + carry; + carry = 1000000000/p10 * tmp; + if (k==a && !x[k]) { + a = (a+1 & MASK); + rp -= 9; + } + } + if (carry) x |