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/* This file is part of the GNU C Library.
Copyright (C) 2012 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)
# 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)
# endif /* SHARED */
# ifdef HAVE_AS_VIS3_SUPPORT
#define SPARC_ASM_VIS3_IFUNC(name) \
SPARC_ASM_IFUNC1(name, HWCAP_SPARC_VIS3, \
__##name##_vis3, __##name##_generic)
# else /* HAVE_AS_VIS3_SUPPORT */
#define SPARC_ASM_VIS3_IFUNC(name) \
SPARC_ASM_IFUNC_DFLT(name, __##name##_generic)
# 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__ */
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