808af5001f
* lib/libc+tcc-gcc.c: New file: Libc bits for GCC from libc-mes+tcc.c. * lib/libc+tcc-mes.c: New file: Libc bits for MesCC from libc-mes+tcc.c. * lib/libc+tcc.c: New file: Libc bits from libc-mes+tcc.c. * lib/libc.c: New file: Merged from libc-mes.c, libc-gcc.c. (abtoi): New function: Rename from _atoi. * lib/linux+tcc-gcc.c: New file: Linux bits from libc-gcc+tcc.c. * lib/linux+tcc-mes.c: New file: Linux bits from libc-mes+tcc.c. * lib/linux-gcc.c: New file: Linux bits from libc-gcc.c. * lib/linux-mes.c: New file: Linux bits from libc-mes.c. * lib/mini-libc-gcc.c: New file. * lib/mini-libc.c: New file: Libc bits from mini-libc-mes.c. * lib/mini-linux-gcc.c: New file. * lib/mini-linux-mes.c: New file: Linux bits from mini-libc-mes.c. * lib/libc-gcc.c: Remove duplication using include now. * lib/libc-mes.c: Likewise. * lib/mini-libc-mes.c: Likewise. * include/stdio.h (puts)[POSIX]: Remomve macro. (fputc, fputs)[!POSIX]: New macro. (fputc, fputs): Remove declaration. * scaffold/tests/7j-strtoull.c (strtoull, test): Use abtoi. * src/lib.c (fputs)[__MESC__]: Remove define. * guile/guix/make.scm: Update for new library layout. * make.scm: Likewise. * build.sh: Likewise. * install.sh: Likewise.
107 lines
2.2 KiB
C
107 lines
2.2 KiB
C
/* -*-comment-start: "//";comment-end:""-*-
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* Mes --- Maxwell Equations of Software
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* Copyright © 2016,2017 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
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*
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* This file is part of Mes.
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*
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* Mes is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or (at
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* your option) any later version.
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*
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* Mes is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with Mes. If not, see <http://www.gnu.org/licenses/>.
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*/
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#define SYS_exit "0x01"
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#define SYS_read "0x03"
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#define SYS_write "0x04"
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#define SYS_open "0x05"
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#define SYS_close "0x06"
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#define SYS_unlink "0x0a"
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#define SYS_lseek "0x13"
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#define SYS_access "0x21"
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#define SYS_brk "0x2d"
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#define SYS_fsync "0x76"
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#define SYS_getcwd "0xb7"
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int
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close (int fd)
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{
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#if !__TINYC__
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int r;
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asm (
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"mov %0,%%ebx\n\t"
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"mov $"SYS_close",%%eax\n\t"
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"int $0x80"
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: "=r" (r)
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: "" (fd)
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);
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return r;
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#endif
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}
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int
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unlink (char const *file_name)
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{
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#if !__TINYC__
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int r;
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asm (
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"mov %0,%%ebx\n\t"
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"mov $"SYS_unlink",%%eax\n\t"
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"int $0x80"
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: "=r" (r)
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: "" (file_name)
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);
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return r;
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#endif
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}
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off_t
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lseek (int fd, off_t offset, int whence)
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{
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#if !__TINYC__
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int r;
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asm (
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"mov %1,%%ebx\n\t"
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"mov %2,%%ecx\n\t"
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"mov %3,%%edx\n\t"
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"mov $"SYS_lseek",%%eax\n\t"
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"int $0x80\n\t"
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"mov %%eax,%0\n\t"
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: "=r" (r)
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: "" (fd), "" (offset), "" (whence)
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: "eax", "ebx", "ecx", "edx"
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);
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return r;
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#endif
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}
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char *
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getcwd (char *buf, size_t size)
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{
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#if !__TINYC__
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int r;
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asm (
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"mov %1,%%ebx\n\t"
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"mov %2,%%ecx\n\t"
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"mov $"SYS_getcwd",%%eax\n\t"
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"int $0x80\n\t"
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"mov %%eax,%0\n\t"
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: "=r" (r)
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: "" (buf), "" (size)
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: "eax", "ebx", "ecx"
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);
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return r;
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#endif
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}
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