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do not ignore xpacks folder, it is used by tests
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‎.gitignore‎

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@@ -61,7 +61,7 @@ typings/
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.next
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# xpm
64-
xpacks/
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# xpacks/
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6666
# Windows
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Thumbs.db

‎tests/eclipse/riscv-h1b-fs-lib/xpacks/micro-os-plus-c-libs/LICENSE‎

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MIT License
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Copyright (c) 2017 Liviu Ionescu
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.

‎tests/eclipse/riscv-h1b-fs-lib/xpacks/micro-os-plus-c-libs/README.md‎

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## µOS++ complementary C library functions
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These are some files that complement or extend the C library:
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- `c-syscalls-empty.c` define weak empty syscalls to keep the linker happy; redefine those needed for retargeted configurations;
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- `_sbrk.c` allocates block of memory in the free store (the heap) at the end of RAM, up to the stack; must match the definitons in the linker script;
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- `stdlib/assert.c` defines the function to be called when assertions are taken;
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- `stdlib/atexit.cpp` defines a simple registry for functions to be called when the program is terminated; useful for semihosting applications that terminate normally; the size of the static array is `OS_INTEGER_ATEXIT_ARRAY_SIZE`, default 3;
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- `stdlib/exit.c` defines the functionality of `exit()` and `abort()`
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- `stdlib/init-fini.c` defines weak empty `_init()` and `_fini()`, to keep linker happy.
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## Developer info
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This section is intended to developers who plan to include this library in their own projects.
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### Prerequisites
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A recent [`xpm`](https://www.npmjs.com/package/xpm), which is a portable [Node.js](https://nodejs.org/) command line application.
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### Easy install
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This package is available as [`@micro-os-plus/c-libs`](https://www.npmjs.com/package/@micro-os-plus/c-libs) from the `npmjs.com` registry; with `xpm` available, installing the latest version of the package is quite easy:
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```console
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$ xpm install @micro-os-plus/c-libs
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```
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This package is also available from [GitHub](https://github.com/micro-os-plus/c-libs-xpack):
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```console
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$ git clone https://github.com/micro-os-plus/c-libs-xpack.git c-libs-xpack.git
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```
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## Maintainer info
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### How to publish
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* commit all changes
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* update `CHANGELOG.md`; commit with a message like _CHANGELOG: prepare v0.1.2_
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* `npm version patch`
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* push all changes to GitHub
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* `npm publish`
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## License
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The original content is released under the [MIT License](https://opensource.org/licenses/MIT), with all rights reserved to [Liviu Ionescu](https://github.com/ilg-ul).
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‎tests/eclipse/riscv-h1b-fs-lib/xpacks/micro-os-plus-c-libs/include/newlib/c-syscalls.h‎

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/*
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* This file is part of the µOS++ distribution.
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* (https://github.com/micro-os-plus)
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* Copyright (c) 2015 Liviu Ionescu.
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*
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* Permission is hereby granted, free of charge, to any person
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* obtaining a copy of this software and associated documentation
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* files (the "Software"), to deal in the Software without
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* restriction, including without limitation the rights to use,
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* copy, modify, merge, publish, distribute, sublicense, and/or
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* sell copies of the Software, and to permit persons to whom
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* the Software is furnished to do so, subject to the following
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* conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
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* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
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* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*/
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#ifndef LIBC_NEWLIB_C_SYSCALLS_H_
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#define LIBC_NEWLIB_C_SYSCALLS_H_
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#include <unistd.h>
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#include <sys/stat.h>
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#include <sys/times.h>
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#if defined(__cplusplus)
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extern "C"
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{
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#endif /* defined(__cplusplus) */
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// ----------------------------------------------------------------------------
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// Declarations for most syscall implementations specific to newlib.
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// Should be included as `#include <newlib/c-syscalls.h>` in all files
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// that implement the retargetted system calls.
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int
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_chown (const char* path, uid_t owner, gid_t group);
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int
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_close (int fildes);
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int
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_execve (const char* name, char* const argv[], char* const envp[]);
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pid_t
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_fork (void);
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int
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_fstat (int fildes, struct stat* st);
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pid_t
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_getpid (void);
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int
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_gettimeofday (struct timeval* ptimeval, void* ptimezone);
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int
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_isatty (int fildes);
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int
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_kill (pid_t pid, int sig);
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int
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_link (const char* existing, const char* _new);
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off_t
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_lseek (int fildes, int ptr, int dir);
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int
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_open (const char* file, int flags, int mode);
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int
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_openat (int dirfd, const char* name, int flags, int mode);
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ssize_t
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_read (int fildes, void* ptr, size_t len);
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int
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_readlink (const char* path, void* buf, size_t bufsize);
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int
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_stat (const char* file, struct stat* st);
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int
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_symlink (const char* existing, const char* _new);
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clock_t
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_times (struct tms* buf);
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int
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_unlink (const char* name);
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pid_t
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_wait (int* status);
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ssize_t
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_write (int fildes, const void* ptr, size_t len);
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// ----------------------------------------------------------------------------
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#if defined(__cplusplus)
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}
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#endif /* defined(__cplusplus) */
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// ----------------------------------------------------------------------------
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#endif /* LIBC_NEWLIB_C_SYSCALLS_H_ */

‎tests/eclipse/riscv-h1b-fs-lib/xpacks/micro-os-plus-c-libs/package.json‎

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{
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"name": "@micro-os-plus/c-libs",
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"version": "1.0.6",
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"description": "An xPack with complementary C library functions",
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"main": "",
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"scripts": {
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"test": "echo \"Error: no test specified\" && exit 1"
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},
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"repository": {
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"type": "git",
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"url": "git+https://github.com/micro-os-plus/c-libs-xpack.git"
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},
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"homepage": "https://github.com/micro-os-plus/c-libs-xpack",
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"keywords": [
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"xpack",
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"c++",
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"micro-os-plus",
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"library"
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],
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"author": {
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"name": "Liviu Ionescu",
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"email": "[email protected]",
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"url": "http://liviusdotnet.wordpress.com"
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},
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"license": "MIT",
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"bugs": {
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"url": "https://github.com/micro-os-plus/c-libs-xpack/issues"
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},
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"config": {},
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"dependencies": {},
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"xpack": {}
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}

‎tests/eclipse/riscv-h1b-fs-lib/xpacks/micro-os-plus-c-libs/src/_sbrk.c‎

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/*
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* This file is part of the µOS++ distribution.
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* (https://github.com/micro-os-plus)
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* Copyright (c) 2015 Liviu Ionescu.
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*
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* Permission is hereby granted, free of charge, to any person
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* obtaining a copy of this software and associated documentation
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* files (the "Software"), to deal in the Software without
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* restriction, including without limitation the rights to use,
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* copy, modify, merge, publish, distribute, sublicense, and/or
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* sell copies of the Software, and to permit persons to whom
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* the Software is furnished to do so, subject to the following
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* conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
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* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
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* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*/
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#include <unistd.h>
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#include <stdlib.h>
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#include <sys/types.h>
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#include <errno.h>
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#include <stddef.h>
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// ----------------------------------------------------------------------------
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void*
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_sbrk (ptrdiff_t incr);
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// ----------------------------------------------------------------------------
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// The definitions used here should be kept in sync with the
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// stack definitions in the linker script.
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void*
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_sbrk (ptrdiff_t incr)
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{
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extern char __heap_begin__; // Defined by the linker.
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extern char __heap_end__; // Defined by the linker.
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static char* current_heap_end; // STATIC! Zero after BSS init.
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char* current_block_address;
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if (current_heap_end == 0)
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{
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current_heap_end = &__heap_begin__;
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}
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current_block_address = current_heap_end;
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// Need to align heap to word boundary, for efficiency reasons and
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// to possibly avoid hardware faults.
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// So we assume that the heap starts on word boundary,
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// hence make sure we always add a multiple of 4 to it.
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incr = (incr + 3) & (~3); // align value to 4
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if (current_heap_end + incr > &__heap_end__)
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{
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// Some of the libstdc++-v3 tests rely upon detecting 'out of memory'
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// errors, so DO NOT abort here, but return error.
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errno = ENOMEM; // Heap has overflowed.
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return (caddr_t) -1;
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}
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current_heap_end += incr;
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return (caddr_t) current_block_address;
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}
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// Guarantee that all standard and reentrant functions get here directly.
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void*
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__attribute__((weak, alias ("_sbrk")))
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sbrk (ptrdiff_t incr);
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void*
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_sbrk_r (struct _reent* impure, ptrdiff_t incr);
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void*
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_sbrk_r (struct _reent* impure __attribute__((unused)), ptrdiff_t incr)
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{
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return _sbrk (incr);
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}
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// ----------------------------------------------------------------------------

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