diff options
Diffstat (limited to 'REORG.TODO/sysdeps/sparc/sparc-ifunc.h')
| -rw-r--r-- | REORG.TODO/sysdeps/sparc/sparc-ifunc.h | 176 |
1 files changed, 176 insertions, 0 deletions
diff --git a/REORG.TODO/sysdeps/sparc/sparc-ifunc.h b/REORG.TODO/sysdeps/sparc/sparc-ifunc.h new file mode 100644 index 0000000000..8cc86ff5e1 --- /dev/null +++ b/REORG.TODO/sysdeps/sparc/sparc-ifunc.h @@ -0,0 +1,176 @@ +/* This file is part of the GNU C Library. + Copyright (C) 2012-2017 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 + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ + +#include <sysdep.h> + +#ifdef __ASSEMBLER__ + +# ifdef SHARED + +# 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_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_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) + +# 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__ */ |