diff options
Diffstat (limited to 'ports/sysdeps/mips/mips64/n64')
| -rw-r--r-- | ports/sysdeps/mips/mips64/n64/Implies | 5 | ||||
| -rw-r--r-- | ports/sysdeps/mips/mips64/n64/Makefile | 6 | ||||
| -rw-r--r-- | ports/sysdeps/mips/mips64/n64/crti.S | 91 | ||||
| -rw-r--r-- | ports/sysdeps/mips/mips64/n64/crtn.S | 57 | ||||
| -rw-r--r-- | ports/sysdeps/mips/mips64/n64/s_fma.c | 6 |
5 files changed, 165 insertions, 0 deletions
diff --git a/ports/sysdeps/mips/mips64/n64/Implies b/ports/sysdeps/mips/mips64/n64/Implies new file mode 100644 index 0000000000..214b85c776 --- /dev/null +++ b/ports/sysdeps/mips/mips64/n64/Implies @@ -0,0 +1,5 @@ +ieee754/ldbl-128 +mips/mips64/soft-fp +mips/mips64 +mips +wordsize-64 diff --git a/ports/sysdeps/mips/mips64/n64/Makefile b/ports/sysdeps/mips/mips64/n64/Makefile new file mode 100644 index 0000000000..a823f32b53 --- /dev/null +++ b/ports/sysdeps/mips/mips64/n64/Makefile @@ -0,0 +1,6 @@ +# `long double' is a distinct type we support. +long-double-fcts = yes + +ifeq ($(filter -mabi=64,$(CC)),) +CC += -mabi=64 +endif diff --git a/ports/sysdeps/mips/mips64/n64/crti.S b/ports/sysdeps/mips/mips64/n64/crti.S new file mode 100644 index 0000000000..d263594b73 --- /dev/null +++ b/ports/sysdeps/mips/mips64/n64/crti.S @@ -0,0 +1,91 @@ +/* Special .init and .fini section support for MIPS (n64). + Copyright (C) 1995-2012 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + 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. + + In addition to the permissions in the GNU Lesser General Public + License, the Free Software Foundation gives you unlimited + permission to link the compiled version of this file with other + programs, and to distribute those programs without any restriction + coming from the use of this file. (The GNU Lesser General Public + License restrictions do apply in other respects; for example, they + cover modification of the file, and distribution when not linked + into another program.) + + Note that people who make modified versions of this file are not + obligated to grant this special exception for their modified + versions; it is their choice whether to do so. The GNU Lesser + General Public License gives permission to release a modified + version without this exception; this exception also makes it + possible to release a modified version which carries forward this + exception. + + 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/>. */ + +/* crti.S puts a function prologue at the beginning of the .init and + .fini sections and defines global symbols for those addresses, so + they can be called as functions. The symbols _init and _fini are + magic and cause the linker to emit DT_INIT and DT_FINI. */ + +#include <libc-symbols.h> + +#ifndef PREINIT_FUNCTION +# define PREINIT_FUNCTION __gmon_start__ +#endif + +#ifndef PREINIT_FUNCTION_WEAK +# define PREINIT_FUNCTION_WEAK 1 +#endif + +#if PREINIT_FUNCTION_WEAK + weak_extern (PREINIT_FUNCTION) +#else + .hidden PREINIT_FUNCTION +#endif + + .section .init,"ax",@progbits + .p2align 2 + .globl _init + .type _init, @function +_init: + daddiu $sp,$sp,-16 + sd $28,0($sp) + lui $28,%hi(%neg(%gp_rel(_init))) + daddu $28,$28,$25 + sd $31,8($sp) + daddiu $28,$28,%lo(%neg(%gp_rel(_init))) +#if PREINIT_FUNCTION_WEAK + ld $2,%got_disp(PREINIT_FUNCTION)($28) + beq $2,$0,.Lno_weak_fn + ld $25,%call16(PREINIT_FUNCTION)($28) + .reloc 1f,R_MIPS_JALR,PREINIT_FUNCTION +1: jalr $25 +.Lno_weak_fn: +#else + ld $25,%got_disp(PREINIT_FUNCTION)($28) + .reloc 1f,R_MIPS_JALR,PREINIT_FUNCTION +1: jalr $25 +#endif + + .section .fini,"ax",@progbits + .p2align 2 + .globl _fini + .type _fini, @function +_fini: + daddiu $sp,$sp,-16 + sd $28,0($sp) + lui $28,%hi(%neg(%gp_rel(_fini))) + daddu $28,$28,$25 + sd $31,8($sp) + daddiu $28,$28,%lo(%neg(%gp_rel(_fini))) diff --git a/ports/sysdeps/mips/mips64/n64/crtn.S b/ports/sysdeps/mips/mips64/n64/crtn.S new file mode 100644 index 0000000000..411e9f8796 --- /dev/null +++ b/ports/sysdeps/mips/mips64/n64/crtn.S @@ -0,0 +1,57 @@ +/* Special .init and .fini section support for MIPS (n64). + Copyright (C) 1995-2012 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + 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. + + In addition to the permissions in the GNU Lesser General Public + License, the Free Software Foundation gives you unlimited + permission to link the compiled version of this file with other + programs, and to distribute those programs without any restriction + coming from the use of this file. (The GNU Lesser General Public + License restrictions do apply in other respects; for example, they + cover modification of the file, and distribution when not linked + into another program.) + + Note that people who make modified versions of this file are not + obligated to grant this special exception for their modified + versions; it is their choice whether to do so. The GNU Lesser + General Public License gives permission to release a modified + version without this exception; this exception also makes it + possible to release a modified version which carries forward this + exception. + + 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/>. */ + +/* crtn.S puts function epilogues in the .init and .fini sections + corresponding to the prologues in crti.S. */ + + .section .init,"ax",@progbits + ld $31,8($sp) + ld $28,0($sp) + .set noreorder + .set nomacro + j $31 + daddiu $sp,$sp,16 + .set macro + .set reorder + + .section .fini,"ax",@progbits + ld $31,8($sp) + ld $28,0($sp) + .set noreorder + .set nomacro + j $31 + daddiu $sp,$sp,16 + .set macro + .set reorder diff --git a/ports/sysdeps/mips/mips64/n64/s_fma.c b/ports/sysdeps/mips/mips64/n64/s_fma.c new file mode 100644 index 0000000000..74a1e01fc1 --- /dev/null +++ b/ports/sysdeps/mips/mips64/n64/s_fma.c @@ -0,0 +1,6 @@ +/* MIPS long double is implemented in software by fp-bit (as of GCC + 4.7) without support for exceptions or rounding modes, so the fma + implementation in terms of long double is slow and will not produce + correctly rounding results. */ + +#include <sysdeps/ieee754/dbl-64/s_fma.c> |