From a2ca165230cfa951605e5904be838c3e3e04be0b Mon Sep 17 00:00:00 2001 From: "H.J. Lu" Date: Sun, 1 Oct 2017 15:15:15 -0700 Subject: Mark internal gmp functions with attribute_hidden [BZ #18822] Mark internal gmp functions with attribute_hidden to allow direct access within libc.so and libc.a without using GOT nor PLT. [BZ #18822] * include/gmp.h: Declare internal functions only if _ISOMAC is undefined. (__mpn_extract_double): Add attribute_hidden. (__mpn_extract_long_double): Likewise. (__mpn_extract_float128): Likewise. (__mpn_construct_float): Likewise. (__mpn_construct_double): Likewise. (__mpn_construct_long_double): Likewise. (__mpn_construct_float128): Likewise. (mpn_add_1): Likewise. (mpn_addmul_1): Likewise. (mpn_add_n): Likewise. (mpn_cmp): Likewise. (mpn_divrem): Likewise. (mpn_lshift): Likewise. (mpn_mul): Likewise. (mpn_mul_1): Likewise. (mpn_rshift): Likewise. (mpn_sub_1): Likewise. (mpn_submul_1): Likewise. (mpn_sub_n): Likewise. --- ChangeLog | 25 +++++++++++++++++++++++++ include/gmp.h | 33 ++++++++++++++++++++++++++------- stdlib/gmp-impl.h | 12 ++++++++---- 3 files changed, 59 insertions(+), 11 deletions(-) diff --git a/ChangeLog b/ChangeLog index c168da16a8..d1ab72051f 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,28 @@ +2017-10-01 H.J. Lu + + [BZ #18822] + * include/gmp.h: Declare internal functions only if _ISOMAC is + undefined. + (__mpn_extract_double): Add attribute_hidden. + (__mpn_extract_long_double): Likewise. + (__mpn_extract_float128): Likewise. + (__mpn_construct_float): Likewise. + (__mpn_construct_double): Likewise. + (__mpn_construct_long_double): Likewise. + (__mpn_construct_float128): Likewise. + (mpn_add_1): Likewise. + (mpn_addmul_1): Likewise. + (mpn_add_n): Likewise. + (mpn_cmp): Likewise. + (mpn_divrem): Likewise. + (mpn_lshift): Likewise. + (mpn_mul): Likewise. + (mpn_mul_1): Likewise. + (mpn_rshift): Likewise. + (mpn_sub_1): Likewise. + (mpn_submul_1): Likewise. + (mpn_sub_n): Likewise. + 2017-10-01 H.J. Lu [BZ #18822] diff --git a/include/gmp.h b/include/gmp.h index 3590acf408..657c7a0148 100644 --- a/include/gmp.h +++ b/include/gmp.h @@ -8,32 +8,51 @@ #include +#ifndef _ISOMAC /* Now define the internal interfaces. */ extern mp_size_t __mpn_extract_double (mp_ptr res_ptr, mp_size_t size, int *expt, int *is_neg, - double value); + double value) attribute_hidden; extern mp_size_t __mpn_extract_long_double (mp_ptr res_ptr, mp_size_t size, int *expt, int *is_neg, - long double value); + long double value) + attribute_hidden; #if __HAVE_DISTINCT_FLOAT128 extern mp_size_t __mpn_extract_float128 (mp_ptr res_ptr, mp_size_t size, int *expt, int *is_neg, - _Float128 value); + _Float128 value) + attribute_hidden; #endif -extern float __mpn_construct_float (mp_srcptr frac_ptr, int expt, int sign); +extern float __mpn_construct_float (mp_srcptr frac_ptr, int expt, int sign) + attribute_hidden; extern double __mpn_construct_double (mp_srcptr frac_ptr, int expt, - int negative); + int negative) attribute_hidden; extern long double __mpn_construct_long_double (mp_srcptr frac_ptr, int expt, - int sign); + int sign) + attribute_hidden; #if __HAVE_DISTINCT_FLOAT128 extern _Float128 __mpn_construct_float128 (mp_srcptr frac_ptr, int expt, - int sign); + int sign) attribute_hidden; +#endif + +extern __typeof (mpn_add_1) mpn_add_1 attribute_hidden; +extern __typeof (mpn_addmul_1) mpn_addmul_1 attribute_hidden; +extern __typeof (mpn_add_n) mpn_add_n attribute_hidden; +extern __typeof (mpn_cmp) mpn_cmp attribute_hidden; +extern __typeof (mpn_divrem) mpn_divrem attribute_hidden; +extern __typeof (mpn_lshift) mpn_lshift attribute_hidden; +extern __typeof (mpn_mul) mpn_mul attribute_hidden; +extern __typeof (mpn_mul_1) mpn_mul_1 attribute_hidden; +extern __typeof (mpn_rshift) mpn_rshift attribute_hidden; +extern __typeof (mpn_sub_1) mpn_sub_1 attribute_hidden; +extern __typeof (mpn_submul_1) mpn_submul_1 attribute_hidden; +extern __typeof (mpn_sub_n) mpn_sub_n attribute_hidden; #endif #endif diff --git a/stdlib/gmp-impl.h b/stdlib/gmp-impl.h index 42d3e4afac..cbbf9479ac 100644 --- a/stdlib/gmp-impl.h +++ b/stdlib/gmp-impl.h @@ -308,13 +308,17 @@ typedef unsigned int UHWtype; /* Prototypes for internal mpn calls. */ extern void impn_mul_n_basecase _PROTO ((mp_ptr prodp, mp_srcptr up, - mp_srcptr vp, mp_size_t size)); + mp_srcptr vp, mp_size_t size)) + attribute_hidden; extern void impn_mul_n _PROTO ((mp_ptr prodp, mp_srcptr up, mp_srcptr vp, - mp_size_t size, mp_ptr tspace)); + mp_size_t size, mp_ptr tspace)) + attribute_hidden; extern void impn_sqr_n_basecase _PROTO ((mp_ptr prodp, mp_srcptr up, - mp_size_t size)); + mp_size_t size)) + attribute_hidden; extern void impn_sqr_n _PROTO ((mp_ptr prodp, mp_srcptr up, mp_size_t size, - mp_ptr tspace)); + mp_ptr tspace)) + attribute_hidden; -- cgit v1.2.3