diff options
Diffstat (limited to 'sysdeps/sparc/sparc-ifunc.h')
| -rw-r--r-- | sysdeps/sparc/sparc-ifunc.h | 171 |
1 files changed, 18 insertions, 153 deletions
diff --git a/sysdeps/sparc/sparc-ifunc.h b/sysdeps/sparc/sparc-ifunc.h index 6bc08cf87e..561aeea2f8 100644 --- a/sysdeps/sparc/sparc-ifunc.h +++ b/sysdeps/sparc/sparc-ifunc.h @@ -1,5 +1,5 @@ /* This file is part of the GNU C Library. - Copyright (C) 2012-2016 Free Software Foundation, Inc. + Copyright (C) 2012-2018 Free Software Foundation, Inc. The GNU C Library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public @@ -17,160 +17,25 @@ #include <sysdep.h> -#ifdef __ASSEMBLER__ +#define INIT_ARCH() -# ifdef SHARED +#define sparc_libc_ifunc_redirected(redirected_name, name, expr) \ + __ifunc (redirected_name, name, expr(hwcap), int hwcap, INIT_ARCH) -# define SPARC_ASM_IFUNC_DFLT(name, dflt) \ -ENTRY (__##name) \ - .type __##name, @gnu_indirect_function; \ - SETUP_PIC_REG_LEAF(o3, o5); \ - sethi %gdop_hix22(dflt), %o1; \ - xor %o1, %gdop_lox10(dflt), %o1; \ - add %o3, %o1, %o1; \ - retl; \ - mov %o1, %o0; \ -END (__##name) +#define sparc_libm_ifunc(name, expr) \ + __ifunc (name, name, expr, int hwcap, libm_ifunc_init) -# define SPARC_ASM_IFUNC1(name, m1, f1, dflt) \ -ENTRY (__##name) \ - .type __##name, @gnu_indirect_function; \ - SETUP_PIC_REG_LEAF(o3, o5); \ - set m1, %o1; \ - andcc %o0, %o1, %g0; \ - be 9f; \ - nop; \ - sethi %gdop_hix22(f1), %o1; \ - xor %o1, %gdop_lox10(f1), %o1; \ - ba 10f; \ - nop; \ -9: sethi %gdop_hix22(dflt), %o1; \ - xor %o1, %gdop_lox10(dflt), %o1; \ -10: add %o3, %o1, %o1; \ - retl; \ - mov %o1, %o0; \ -END (__##name) +#define sparc_libc_ifunc(name, expr) sparc_libm_ifunc (name, expr) -# define SPARC_ASM_IFUNC2(name, m1, f1, m2, f2, dflt) \ -ENTRY (__##name) \ - .type __##name, @gnu_indirect_function; \ - SETUP_PIC_REG_LEAF(o3, o5); \ - set m1, %o1; \ - andcc %o0, %o1, %g0; \ - be 8f; \ - nop; \ - sethi %gdop_hix22(f1), %o1; \ - xor %o1, %gdop_lox10(f1), %o1; \ - ba 10f; \ - nop; \ -8: set m2, %o1; \ - andcc %o0, %o1, %g0; \ - be 9f; \ - nop; \ - sethi %gdop_hix22(f2), %o1; \ - xor %o1, %gdop_lox10(f2), %o1; \ - ba 10f; \ - nop; \ -9: sethi %gdop_hix22(dflt), %o1; \ - xor %o1, %gdop_lox10(dflt), %o1; \ -10: add %o3, %o1, %o1; \ - retl; \ - mov %o1, %o0; \ -END (__##name) +#define sparc_libm_ifunc_redirected(redirected_name, name, expr) \ + __ifunc (redirected_name, name, expr, int hwcap, libm_ifunc_init) -# else /* SHARED */ - -# ifdef __arch64__ -# define SET(SYM, TMP, REG) setx SYM, TMP, REG -# else -# define SET(SYM, TMP, REG) set SYM, REG -# endif - -# define SPARC_ASM_IFUNC_DFLT(name, dflt) \ -ENTRY (__##name) \ - .type __##name, @gnu_indirect_function; \ - SET(dflt, %g1, %o1); \ - retl; \ - mov %o1, %o0; \ -END (__##name) - -# define SPARC_ASM_IFUNC1(name, m1, f1, dflt) \ -ENTRY (__##name) \ - .type __##name, @gnu_indirect_function; \ - set m1, %o1; \ - andcc %o0, %o1, %g0; \ - be 9f; \ - nop; \ - SET(f1, %g1, %o1); \ - ba 10f; \ - nop; \ -9: SET(dflt, %g1, %o1); \ -10: retl; \ - mov %o1, %o0; \ -END (__##name) - -# define SPARC_ASM_IFUNC2(name, m1, f1, m2, f2, dflt) \ -ENTRY (__##name) \ - .type __##name, @gnu_indirect_function; \ - set m1, %o1; \ - andcc %o0, %o1, %g0; \ - be 8f; \ - nop; \ - SET(f1, %g1, %o1); \ - ba 10f; \ - nop; \ -8: set m2, %o1; \ - andcc %o0, %o1, %g0; \ - be 9f; \ - nop; \ - SET(f2, %g1, %o1); \ - ba 10f; \ - nop; \ -9: SET(dflt, %g1, %o1); \ -10: retl; \ - mov %o1, %o0; \ -END (__##name) - -# endif /* SHARED */ - -#define SPARC_ASM_VIS2_IFUNC(name) \ - SPARC_ASM_IFUNC1(name, HWCAP_SPARC_VIS2, \ - __##name##_vis2, __##name##_generic) - -# ifdef HAVE_AS_VIS3_SUPPORT - -#define SPARC_ASM_VIS3_IFUNC(name) \ - SPARC_ASM_IFUNC1(name, HWCAP_SPARC_VIS3, \ - __##name##_vis3, __##name##_generic) - -#define SPARC_ASM_VIS3_VIS2_IFUNC(name) \ - SPARC_ASM_IFUNC2(name, HWCAP_SPARC_VIS3, \ - __##name##_vis3, \ - HWCAP_SPARC_VIS2, \ - __##name##_vis2, __##name##_generic) - -# else /* HAVE_AS_VIS3_SUPPORT */ - -#define SPARC_ASM_VIS3_IFUNC(name) \ - SPARC_ASM_IFUNC_DFLT(name, __##name##_generic) - -#define SPARC_ASM_VIS3_VIS2_IFUNC(name) \ - SPARC_ASM_VIS2_IFUNC(name) - -# endif /* HAVE_AS_VIS3_SUPPORT */ - - -#else /* __ASSEMBLER__ */ - -# define sparc_libm_ifunc(name, expr) \ - extern void *name##_ifunc (int) __asm__ (#name); \ - void *name##_ifunc (int hwcap) \ - { \ - __typeof (name) *res = expr; \ - return res; \ - } \ - __asm__ (".type " #name ", %gnu_indirect_function"); - -# define sparc_libc_ifunc(name, expr) sparc_libm_ifunc (name, expr) - -#endif /* __ASSEMBLER__ */ +/* It essentially does libc_hidden_builtin_def (name) and redirect + the internal redirected symbol to ifunc implementation. */ +#if defined SHARED +# define sparc_ifunc_redirected_hidden_def(redirect_name, name) \ + __hidden_ver1 (name, __GI_##name, redirect_name) \ + __attribute__ ((visibility ("hidden"))); +#else +# define sparc_ifunc_redirected_hidden_def(redirect_name, name) +#endif |