mirror of
https://git.FreeBSD.org/src.git
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Local patches:
- include extra system headers and add appropriate #defines - use a spinlock to synchronize parts of gdtoa - protect exported symbols with leading underscores Reviewed by: bde (briefly), mike (mentor), obrien
This commit is contained in:
David Schultz
parent
19a59cf3b3
commit
de9840c6e5
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=112161
@ -26,6 +26,8 @@ THIS SOFTWARE.
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****************************************************************/
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/* $FreeBSD$ */
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/* This is a variation on dtoa.c that converts arbitary binary
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floating-point formats to and from decimal notation. It uses
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double-precision arithmetic internally, so there are still
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@ -182,8 +184,11 @@ THIS SOFTWARE.
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#define Bug(x) {fprintf(stderr, "%s\n", x); exit(1);}
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#endif
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#include "limits.h"
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#include "stdlib.h"
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#include "string.h"
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#include "libc_private.h"
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#include "spinlock.h"
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#ifdef KR_headers
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#define Char char
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@ -197,6 +202,8 @@ extern Char *MALLOC ANSI((size_t));
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#define MALLOC malloc
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#endif
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#define INFNAN_CHECK
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#undef IEEE_Arith
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#undef Avoid_Underflow
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#ifdef IEEE_MC68k
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@ -456,10 +463,16 @@ extern double rnd_prod(double, double), rnd_quot(double, double);
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#define ALL_ON 0xffff
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#endif
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#ifndef MULTIPLE_THREADS
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#define ACQUIRE_DTOA_LOCK(n) /*nothing*/
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#define FREE_DTOA_LOCK(n) /*nothing*/
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#endif
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#define MULTIPLE_THREADS
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extern spinlock_t __gdtoa_locks[2];
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#define ACQUIRE_DTOA_LOCK(n) do { \
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if (__isthreaded) \
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_SPINLOCK(&__gdtoa_locks[n]); \
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} while(0)
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#define FREE_DTOA_LOCK(n) do { \
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if (__isthreaded) \
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_SPINUNLOCK(&__gdtoa_locks[n]); \
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} while(0)
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#define Kmax 15
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@ -482,51 +495,88 @@ extern void memcpy_D2A ANSI((void*, const void*, size_t));
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#define Bcopy(x,y) memcpy(&x->sign,&y->sign,y->wds*sizeof(ULong) + 2*sizeof(int))
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#endif /* NO_STRING_H */
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#define Balloc Balloc_D2A
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#define Bfree Bfree_D2A
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#define ULtoQ ULtoQ_D2A
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#define ULtof ULtof_D2A
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#define ULtod ULtod_D2A
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#define ULtodd ULtodd_D2A
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#define ULtox ULtox_D2A
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#define ULtoxL ULtoxL_D2A
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#define any_on any_on_D2A
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#define b2d b2d_D2A
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#define bigtens bigtens_D2A
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#define cmp cmp_D2A
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#define copybits copybits_D2A
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#define d2b d2b_D2A
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#define decrement decrement_D2A
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#define diff diff_D2A
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#define dtoa_result dtoa_result_D2A
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#define g__fmt g__fmt_D2A
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#define gethex gethex_D2A
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#define hexdig hexdig_D2A
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#define hexnan hexnan_D2A
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#define hi0bits hi0bits_D2A
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#define i2b i2b_D2A
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#define increment increment_D2A
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#define lo0bits lo0bits_D2A
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#define lshift lshift_D2A
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#define match match_D2A
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#define mult mult_D2A
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#define multadd multadd_D2A
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#define nrv_alloc nrv_alloc_D2A
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#define pow5mult pow5mult_D2A
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#define quorem quorem_D2A
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#define ratio ratio_D2A
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#define rshift rshift_D2A
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#define rv_alloc rv_alloc_D2A
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#define s2b s2b_D2A
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#define set_ones set_ones_D2A
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#define strcp strcp_D2A
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#define strtoIg strtoIg_D2A
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#define sum sum_D2A
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#define tens tens_D2A
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#define tinytens tinytens_D2A
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#define tinytens tinytens_D2A
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#define trailz trailz_D2A
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#define ulp ulp_D2A
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/*
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* Paranoia: Protect exported symbols, including ones in files we don't
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* compile right now. The standard strtof and strtod survive.
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*/
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#define dtoa __dtoa
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#define gdtoa __gdtoa
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#define freedtoa __freedtoa
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#define strtodg __strtodg
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#define g_ddfmt __g_ddfmt
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#define g_dfmt __g_dfmt
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#define g_ffmt __g_ffmt
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#define g_Qfmt __g_Qfmt
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#define g_xfmt __g_xfmt
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#define g_xLfmt __g_xLfmt
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#define strtoId __strtoId
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#define strtoIdd __strtoIdd
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#define strtoIf __strtoIf
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#define strtoIQ __strtoIQ
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#define strtoIx __strtoIx
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#define strtoIxL __strtoIxL
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#define strtord __strtord
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#define strtordd __strtordd
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#define strtorf __strtorf
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#define strtorQ __strtorQ
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#define strtorx __strtorx
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#define strtorxL __strtorxL
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#define strtodI __strtodI
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#define strtopd __strtopd
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#define strtopdd __strtopdd
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#define strtopf __strtopf
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#define strtopQ __strtopQ
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#define strtopx __strtopx
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#define strtopxL __strtopxL
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/* Protect gdtoa-internal symbols */
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#define Balloc __Balloc_D2A
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#define Bfree __Bfree_D2A
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#define ULtoQ __ULtoQ_D2A
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#define ULtof __ULtof_D2A
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#define ULtod __ULtod_D2A
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#define ULtodd __ULtodd_D2A
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#define ULtox __ULtox_D2A
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#define ULtoxL __ULtoxL_D2A
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#define any_on __any_on_D2A
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#define b2d __b2d_D2A
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#define bigtens __bigtens_D2A
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#define cmp __cmp_D2A
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#define copybits __copybits_D2A
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#define d2b __d2b_D2A
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#define decrement __decrement_D2A
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#define diff __diff_D2A
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#define dtoa_result __dtoa_result_D2A
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#define g__fmt __g__fmt_D2A
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#define gethex __gethex_D2A
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#define hexdig __hexdig_D2A
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#define hexdig_init_D2A __hexdig_init_D2A
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#define hexnan __hexnan_D2A
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#define hi0bits __hi0bits_D2A
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#define i2b __i2b_D2A
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#define increment __increment_D2A
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#define lo0bits __lo0bits_D2A
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#define lshift __lshift_D2A
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#define match __match_D2A
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#define mult __mult_D2A
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#define multadd __multadd_D2A
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#define nrv_alloc __nrv_alloc_D2A
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#define pow5mult __pow5mult_D2A
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#define quorem __quorem_D2A
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#define ratio __ratio_D2A
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#define rshift __rshift_D2A
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#define rv_alloc __rv_alloc_D2A
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#define s2b __s2b_D2A
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#define set_ones __set_ones_D2A
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#define strcp __strcp_D2A
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#define strcp_D2A __strcp_D2A
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#define strtoIg __strtoIg_D2A
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#define sum __sum_D2A
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#define tens __tens_D2A
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#define tinytens __tinytens_D2A
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#define tinytens __tinytens_D2A
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#define trailz __trailz_D2A
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#define ulp __ulp_D2A
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extern char *dtoa_result;
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extern CONST double bigtens[], tens[], tinytens[];
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