mirrors/glibc
1
0
Fork 0
mirror of https://sourceware.org/git/glibc.git synced 2024-11-23 17:53:37 +08:00
Code Issues Actions Packages Projects Releases Wiki Activity

[BZ #15666] alpha: Add __sqrt*_finite definitions

Browse Source 
With compatibility for ev6 and non-ev6 builds, as the non-ev6 did
manage to get definitions emitted for the float and double functions.
This commit is contained in:
Richard Henderson 2013-06-24 09:59:26 -07:00
parent 17db6e8d6b
commit 385fd0d524
9 changed files with 86 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
NEWS
View File

@ -21,7 +21,7 @@ Version 2.18
15406, 15409, 15416, 15418, 15419, 15423, 15424, 15426, 15429, 15431,
15432, 15441, 15442, 15448, 15465, 15480, 15485, 15488, 15490, 15492,
15493, 15497, 15506, 15529, 15536, 15553, 15577, 15583, 15618, 15627,
15631, 15654, 15655, 15667.
15631, 15654, 15655, 15666, 15667.
* CVE-2013-0242 Buffer overrun in regexp matcher has been fixed (Bugzilla
#15078).

12
ports/ChangeLog.alpha
View File

@ -1,3 +1,15 @@
2013-06-24 Richard Henderson <rth@redhat.com>
[BZ #15666]
* sysdeps/alpha/Versions (GLIBC_2.18): Add __sqrt_finite,
__sqrtf_finite, and __sqrtl_finite.
* sysdeps/unix/sysv/linux/alpha/nptl/libm.abilist: Likewise.
* sysdeps/alpha/alphaev6/fpu/e_sqrt.S: Add __sqrt_finite.
* sysdeps/alpha/alphaev6/fpu/e_sqrtf.S: Add __sqrtf_finite.
* sysdeps/alpha/fpu/e_sqrt.c: Add __sqrt_finite compatibility.
* sysdeps/alpha/fpu/e_sqrtf.c: New file.
* sysdeps/alpha/soft-fp/e_sqrtl.c: Add __sqrtl_finite.
2013-06-23 Richard Henderson <rth@redhat.com>
* sysdeps/alpha/fpu/libm-test-ulps: Update.

4
ports/sysdeps/alpha/Versions
View File

@ -10,4 +10,8 @@ libm {
# used in inline functions.
__atan2;
}
GLIBC_2.18 {
# forgotten when the symbols were added to glibc 2.15 for other targets
__sqrt_finite; __sqrtf_finite; __sqrtl_finite;
}
}

9
ports/sysdeps/alpha/alphaev6/fpu/e_sqrt.S
View File

@ -16,6 +16,7 @@
<http://www.gnu.org/licenses/>. */
#include <sysdep.h>
#include <shlib-compat.h>
.arch ev6
.set noreorder
@ -42,3 +43,11 @@ ENTRY(__ieee754_sqrt)
nop
END(__ieee754_sqrt)
#if SHLIB_COMPAT (libm, GLIBC_2_15, GLIBC_2_18)
strong_alias(__ieee754_sqrt, __sqrt_finite1)
compat_symbol(libm, __sqrt_finite1, __sqrt_finite, GLIBC_2_15)
versioned_symbol(libm, __ieee754_sqrt, __sqrt_finite, GLIBC_2_18)
#else
strong_alias(__ieee754_sqrt, __sqrt_finite)
#endif

9
ports/sysdeps/alpha/alphaev6/fpu/e_sqrtf.S
View File

@ -16,6 +16,7 @@
<http://www.gnu.org/licenses/>. */
#include <sysdep.h>
#include <shlib-compat.h>
.arch ev6
.set noreorder
@ -42,3 +43,11 @@ ENTRY(__ieee754_sqrtf)
nop
END(__ieee754_sqrtf)
#if SHLIB_COMPAT (libm, GLIBC_2_15, GLIBC_2_18)
strong_alias(__ieee754_sqrtf, __sqrtf_finite1)
compat_symbol(libm, __sqrtf_finite1, __sqrtf_finite, GLIBC_2_15)
versioned_symbol(libm, __ieee754_sqrtf, __sqrtf_finite, GLIBC_2_18)
#else
strong_alias(__ieee754_sqrtf, __sqrtf_finite)
#endif

22
ports/sysdeps/alpha/fpu/e_sqrt.c
View File

@ -18,6 +18,7 @@
#include <math.h>
#include <math_private.h>
#include <shlib-compat.h>
#if !defined(_IEEE_FP_INEXACT)
@ -157,9 +158,30 @@ $fixup: \n\
\n\
.end __ieee754_sqrt");
/* Avoid the __sqrt_finite alias that dbl-64/e_sqrt.c would give... */
#undef strong_alias
#define strong_alias(a,b)
/* ... defining our own. */
#if SHLIB_COMPAT (libm, GLIBC_2_15, GLIBC_2_18)
asm (".global __sqrt_finite1; __sqrt_finite1 = __ieee754_sqrt");
#else
asm (".global __sqrt_finite; __sqrt_finite = __ieee754_sqrt");
#endif
static double __full_ieee754_sqrt(double) __attribute_used__;
#define __ieee754_sqrt __full_ieee754_sqrt
#elif SHLIB_COMPAT (libm, GLIBC_2_15, GLIBC_2_18)
# define __sqrt_finite __sqrt_finite1
#endif /* _IEEE_FP_INEXACT */
#include <sysdeps/ieee754/dbl-64/e_sqrt.c>
/* Work around forgotten symbol in alphaev6 build. */
#if SHLIB_COMPAT (libm, GLIBC_2_15, GLIBC_2_18)
# undef __sqrt_finite
# undef __ieee754_sqrt
compat_symbol (libm, __sqrt_finite1, __sqrt_finite, GLIBC_2_15);
versioned_symbol (libm, __ieee754_sqrt, __sqrt_finite, GLIBC_2_18);
#endif

14
ports/sysdeps/alpha/fpu/e_sqrtf.c Normal file
View File

@ -0,0 +1,14 @@
#include <shlib-compat.h>
#if SHLIB_COMPAT (libm, GLIBC_2_15, GLIBC_2_18)
# define __sqrtf_finite __sqrtf_finite1
#endif
#include <sysdeps/ieee754/flt-32/e_sqrtf.c>
/* Work around forgotten symbol in alphaev6 build. */
#if SHLIB_COMPAT (libm, GLIBC_2_15, GLIBC_2_18)
# undef __sqrtf_finite
compat_symbol (libm, __sqrtf_finite1, __sqrtf_finite, GLIBC_2_15);
versioned_symbol (libm, __ieee754_sqrtf, __sqrtf_finite, GLIBC_2_18);
#endif

10
ports/sysdeps/alpha/soft-fp/e_sqrtl.c
View File

@ -21,6 +21,7 @@
#include <stdlib.h>
#include <soft-fp.h>
#include <quad.h>
#include <shlib-compat.h>
long double
__ieee754_sqrtl (const long double a)
@ -37,3 +38,12 @@ __ieee754_sqrtl (const long double a)
FP_HANDLE_EXCEPTIONS;
return c;
}
/* ??? We forgot to add this symbol in 2.15. Getting this into 2.18 isn't as
straight-forward as just adding the alias, since a generic Versions file
includes the 2.15 version and the linker uses the first one it sees. */
#if SHLIB_COMPAT (libm, GLIBC_2_15, GLIBC_2_18)
versioned_symbol (libm, __ieee754_sqrtl, __sqrtl_finite, GLIBC_2_18);
#else
strong_alias(__ieee754_sqrtl, __sqrtl_finite)
#endif

5
ports/sysdeps/unix/sysv/linux/alpha/nptl/libm.abilist
View File

@ -382,6 +382,8 @@ GLIBC_2.15
__sinh_finite F
__sinhf_finite F
__sinhl_finite F
__sqrt_finite F
__sqrtf_finite F
__y0_finite F
__y0f_finite F
__y0l_finite F
@ -396,6 +398,9 @@ GLIBC_2.18
__issignaling F
__issignalingf F
__issignalingl F
__sqrt_finite F
__sqrtf_finite F
__sqrtl_finite F
GLIBC_2.2
GLIBC_2.2 A
feclearexcept F