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Chung-Lin Tang
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| wordsize-32 | ||
| ieee754/dbl-64 | ||
| ieee754/flt-32 |
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| # Copyright (C) 1993-2015 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. | ||
|
|
||
| # 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/>. | ||
|
|
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| pic-ccflag = -fpic | ||
|
|
||
| # We don't support long doubles as a distinct type. We don't need to set | ||
| # this variable; it's here mostly for documentational purposes. | ||
| long-double-fcts = no | ||
|
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| ifeq ($(subdir),soft-fp) | ||
| sysdep_routines += $(filter-out sqrtsf2,$(gcc-single-routines)) \ | ||
| $(filter-out sqrtdf2,$(gcc-double-routines)) | ||
| endif | ||
|
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| ifeq ($(subdir),csu) | ||
| gen-as-const-headers += tcb-offsets.sym | ||
| endif | ||
|
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| ifeq ($(subdir),debug) | ||
| CFLAGS-backtrace.c += -funwind-tables | ||
| endif |
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1 @@ | ||
| soft-fp |
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| libc { | ||
| GLIBC_2.21 { | ||
| __adddf3; __addsf3; __divdf3; __divsf3; __eqdf2; __eqsf2; __extendsfdf2; | ||
| __fixdfdi; __fixdfsi; __fixsfdi; __fixsfsi; | ||
| __fixunsdfdi; __fixunsdfsi; __fixunssfdi; __fixunssfsi; | ||
| __floatdidf; __floatdisf; __floatsidf; __floatsisf; | ||
| __floatundidf; __floatundisf; __floatunsidf; __floatunsisf; | ||
| __gedf2; __gesf2; __gtdf2; __gtsf2; __ledf2; __lesf2; __ltdf2; __ltsf2; | ||
| __muldf3; __mulsf3; __nedf2; __nesf2; __negdf2; __negsf2; | ||
| __subdf3; __subsf3; __truncdfsf2; __unorddf2; __unordsf2; | ||
| } | ||
| } |
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| /* longjmp for Nios II. | ||
| Copyright (C) 2015 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. | ||
| 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/>. */ | ||
|
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| #include <sysdep.h> | ||
| #include <jmpbuf-offsets.h> | ||
|
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| /* __longjmp(jmpbuf, val) */ | ||
|
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| ENTRY (__longjmp) | ||
| mov r2, r5 | ||
| bne r5, zero, 1f | ||
| movi r2, 1 | ||
| 1: | ||
| #ifdef PTR_DEMANGLE | ||
| PTR_MANGLE_GUARD (r3) | ||
| ldw r5, (JB_RA*4)(r4) | ||
| ldw r6, (JB_SP*4)(r4) | ||
| PTR_DEMANGLE (r5, r5, r3) | ||
| PTR_DEMANGLE (r6, r6, r3) | ||
| #endif | ||
|
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| cfi_def_cfa (r4, 0) | ||
| cfi_offset (r16, JB_R16*4) | ||
| cfi_offset (r17, JB_R17*4) | ||
| cfi_offset (r18, JB_R18*4) | ||
| cfi_offset (r19, JB_R19*4) | ||
| cfi_offset (r20, JB_R20*4) | ||
| cfi_offset (r21, JB_R21*4) | ||
| cfi_offset (r22, JB_R22*4) | ||
| cfi_offset (fp, JB_FP*4) | ||
| #ifdef PTR_DEMANGLE | ||
| cfi_register (ra, r5) | ||
| cfi_register (sp, r7) | ||
| #else | ||
| cfi_offset (ra, JB_RA*4) | ||
| cfi_offset (sp, JB_SP*4) | ||
| #endif | ||
| ldw r16, (JB_R16*4)(r4) | ||
| ldw r17, (JB_R17*4)(r4) | ||
| ldw r18, (JB_R18*4)(r4) | ||
| ldw r19, (JB_R19*4)(r4) | ||
| ldw r20, (JB_R20*4)(r4) | ||
| ldw r21, (JB_R21*4)(r4) | ||
| ldw r22, (JB_R22*4)(r4) | ||
| ldw fp, (JB_FP*4)(r4) | ||
| #ifdef PTR_DEMANGLE | ||
| mov ra, r5 | ||
| mov sp, r6 | ||
| #else | ||
| ldw ra, (JB_RA*4)(r4) | ||
| ldw sp, (JB_SP*4)(r4) | ||
| #endif | ||
| cfi_same_value (r16) | ||
| cfi_same_value (r17) | ||
| cfi_same_value (r18) | ||
| cfi_same_value (r19) | ||
| cfi_same_value (r20) | ||
| cfi_same_value (r21) | ||
| cfi_same_value (r22) | ||
| cfi_same_value (fp) | ||
| cfi_same_value (ra) | ||
| cfi_same_value (sp) | ||
|
|
||
| ret | ||
| END (__longjmp) |
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| @@ -0,0 +1,2 @@ | ||
| /* An instruction which should crash any program is an unused trap. */ | ||
| #define ABORT_INSTRUCTION asm ("trap 31") |
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| #include <sysdeps/x86_64/backtrace.c> |
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| Original file line number | Diff line number | Diff line change |
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| /* The Nios II architecture has selectable endianness. */ | ||
|
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| #ifndef _ENDIAN_H | ||
| # error "Never use <bits/endian.h> directly; include <endian.h> instead." | ||
| #endif | ||
|
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| #ifdef __nios2_big_endian__ | ||
| # define __BYTE_ORDER __BIG_ENDIAN | ||
| #endif | ||
| #ifdef __nios2_little_endian__ | ||
| # define __BYTE_ORDER __LITTLE_ENDIAN | ||
| #endif |
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| /* Copyright (C) 2012-2015 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. | ||
| 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/>. */ | ||
|
|
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| #ifndef _FENV_H | ||
| # error "Never use <bits/fenv.h> directly; include <fenv.h> instead." | ||
| #endif | ||
|
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| /* The Altera specified Nios II hardware FPU does not support exceptions, | ||
| nor does the software floating-point support. */ | ||
| #define FE_ALL_EXCEPT 0 | ||
|
|
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| /* Nios II supports only round-to-nearest. The software | ||
| floating-point support also acts this way. */ | ||
| enum | ||
| { | ||
| __FE_UNDEFINED = 0, | ||
|
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| FE_TONEAREST = | ||
| #define FE_TONEAREST 1 | ||
| FE_TONEAREST, | ||
| }; | ||
|
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| /* Type representing exception flags. */ | ||
| typedef unsigned int fexcept_t; | ||
|
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| /* Type representing floating-point environment. */ | ||
| typedef unsigned int fenv_t; | ||
|
|
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| /* If the default argument is used we use this value. */ | ||
| #define FE_DFL_ENV ((const fenv_t *) -1) |
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| /* Machine-specific declarations for dynamic linker interface, Nios II version. | ||
| Copyright (C) 2009-2015 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. | ||
| 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/>. */ | ||
|
|
||
| #ifndef _LINK_H | ||
| # error "Never include <bits/link.h> directly; use <link.h> instead." | ||
| #endif | ||
|
|
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| /* Registers for entry into PLT on Nios II. */ | ||
| typedef struct La_nios2_regs | ||
| { | ||
| uint32_t lr_reg[4]; /* r4 through r7 */ | ||
| uint32_t lr_ra; | ||
| uint32_t lr_sp; | ||
| } La_nios2_regs; | ||
|
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| /* Return values for calls from PLT on Nios II. */ | ||
| typedef struct La_nios2_retval | ||
| { | ||
| uint32_t lrv_r2; | ||
| uint32_t lrv_r3; | ||
| } La_nios2_retval; | ||
|
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| __BEGIN_DECLS | ||
|
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| extern Elf32_Addr la_nios2_gnu_pltenter (Elf32_Sym *__sym, unsigned int __ndx, | ||
| uintptr_t *__refcook, | ||
| uintptr_t *__defcook, | ||
| La_nios2_regs *__regs, | ||
| unsigned int *__flags, | ||
| const char *__symname, | ||
| long int *__framesizep); | ||
| extern unsigned int la_nios2_gnu_pltexit (Elf32_Sym *__sym, unsigned int __ndx, | ||
| uintptr_t *__refcook, | ||
| uintptr_t *__defcook, | ||
| const La_nios2_regs *__inregs, | ||
| La_nios2_retval *__outregs, | ||
| const char *symname); | ||
|
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| __END_DECLS |
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