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mescc: Mes C Library: Add x86_64 libc+tcc support.

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* include/linux/x86/syscall.h: Move SYS_ defines from tcc.c.
* include/linux/x86_64/syscall.h: Add SYS_ defines for tcc.
* lib/x86-mes-gcc/setjmp.c: Rename from lib/libc+tcc-gcc.c
* lib/x86-mes/setjmp.c: Rename from lib/libc+tcc-mes.c
* lib/linux/tcc.c: Update.
This commit is contained in:
Jan Nieuwenhuizen 2018-08-11 18:39:48 +02:00
parent 5a6d8c21e0
commit 50dff52c99
No known key found for this signature in database
GPG key ID: F3C1A0D9C1D65273
9 changed files with 108 additions and 22 deletions
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2
.gitignore vendored
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@ -41,8 +41,6 @@
*.x86_64-out
/lib/x86-mes-gcc
/lib/x86-mes-tcc
/src/*.h
/src/*.i
/src/mes

6
build-aux/build-cc.sh
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@ -53,11 +53,11 @@ ARCHDIR=1 NOLINK=1 sh ${srcdest}build-aux/cc64-mes.sh lib/linux/x86_64-mes-gcc/c
# ARCHDIR=1 NOLINK=1 sh ${srcdest}build-aux/cc64-mes.sh lib/linux/x86_64/crtn
ARCHDIR=1 NOLINK=1 sh ${srcdest}build-aux/cc64-mes.sh lib/libc-mini
ARCHDIR=1 NOLINK=1 sh ${srcdest}build-aux/cc64-mes.sh lib/libc
# ARCHDIR=1 NOLINK=1 sh ${srcdest}build-aux/cc64-mes.sh lib/libgetopt
# ARCHDIR=1 NOLINK=1 sh ${srcdest}build-aux/cc64-mes.sh lib/libc+tcc
# ARCHDIR=1 NOLINK=1 sh ${srcdest}build-aux/cc64-mes.sh lib/libtcc1
# ARCHDIR=1 NOLINK=1 sh ${srcdest}build-aux/cc64-mes.sh lib/libc+gnu
# ARCHDIR=1 NOLINK=1 sh ${srcdest}build-aux/cc64-mes.sh lib/libg
ARCHDIR=1 NOLINK=1 sh ${srcdest}build-aux/cc64-mes.sh lib/libgetopt
ARCHDIR=1 NOLINK=1 sh ${srcdest}build-aux/cc64-mes.sh lib/libc+tcc
ARCHDIR=1 NOLINK=1 sh ${srcdest}build-aux/cc64-mes.sh lib/libtcc1
sh ${srcdest}build-aux/cc64-mes.sh scaffold/main
sh ${srcdest}build-aux/cc64-mes.sh scaffold/hello

10
include/linux/x86/syscall.h
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@ -20,9 +20,11 @@
#ifndef __MES_LINUX_X86_SYSCALL_H
#define __MES_LINUX_X86_SYSCALL_H 1
// libc-mini
// #define SYS_exit 0x01
// #define SYS_write 0x04
// libc
#define SYS_fork 0x02
#define SYS_read 0x03
#define SYS_open 0x05
@ -35,4 +37,12 @@
#define SYS_ioctl 0x36
#define SYS_fsync 0x76
// libc+tcc
#define SYS_close 0x06
#define SYS_lseek 0x13
#define SYS_unlink 0x0a
#define SYS_rmdir 0x28
#define SYS_stat 0x6a
#define SYS_getcwd 0xb7
#endif // __MES_LINUX_X86_SYSCALL_H

10
include/linux/x86_64/syscall.h
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@ -20,9 +20,11 @@
#ifndef __MES_LINUX_X86_64_SYSCALL_H
#define __MES_LINUX_X86_64_SYSCALL_H 1
// libc-mini
// #define SYS_write 0x01
// #define SYS_exit 0x3c
// libc
#define SYS_fork 0x39
#define SYS_read 0x00
#define SYS_open 0x02
@ -35,4 +37,12 @@
#define SYS_ioctl 0x10
#define SYS_fsync 0x4a
// libc+tcc
#define SYS_close 0x03
#define SYS_lseek 0x08
#define SYS_unlink 0x57
#define SYS_rmdir 0x54
#define SYS_stat 0x04
#define SYS_getcwd 0x4f
#endif // __MES_LINUX_X86_64_SYSCALL_H

16
lib/libc+tcc.c
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@ -46,14 +46,14 @@
#endif
#if __MESC__
#include <libc+tcc-mes.c>
#else // !__MESC__
#include <libc+tcc-gcc.c>
#endif // !__MESC__
#include <x86-mes/setjmp.c>
#elif __i386__
#include <x86-mes-gcc/setjmp.c>
#elif __x86_64__
#include <x86_64-mes-gcc/setjmp.c>
#else
#error arch not supported
#endif
char *
search_path (char const *file_name)

7
lib/linux/tcc.c
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@ -18,13 +18,6 @@
* along with GNU Mes. If not, see <http://www.gnu.org/licenses/>.
*/
#define SYS_close 0x06
#define SYS_lseek 0x13
#define SYS_unlink 0x0a
#define SYS_rmdir 0x28
#define SYS_stat 0x6a
#define SYS_getcwd 0xb7
int
close (int filedes)
{

0
lib/libc+tcc-gcc.c → lib/x86-mes-gcc/setjmp.c
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4
lib/libc+tcc-mes.c → lib/x86-mes/setjmp.c
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@ -1,6 +1,6 @@
/* -*-comment-start: "//";comment-end:""-*-
* GNU Mes --- Maxwell Equations of Software
* Copyright © 2017 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
* Copyright © 2017,2018 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
*
* This file is part of GNU Mes.
*
@ -70,6 +70,6 @@ setjmp (__jmp_buf *env)
int *p = (int*)&env;
env[0].__bp = p[-2];
env[0].__pc = p[-1];
env[0].__sp = (int)&env;
env[0].__sp = (long)&env;
return 0;
}

75
lib/x86_64-mes-gcc/setjmp.c Normal file
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@ -0,0 +1,75 @@
/* -*-comment-start: "//";comment-end:""-*-
* GNU Mes --- Maxwell Equations of Software
* Copyright © 2017,2018 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
*
* This file is part of GNU Mes.
*
* GNU Mes is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or (at
* your option) any later version.
*
* GNU Mes 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GNU Mes. If not, see <http://www.gnu.org/licenses/>.
*/
#include <setjmp.h>
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include <signal.h>
#include <sys/mman.h>
#include <sys/time.h>
#include <unistd.h>
int errno;
void
longjmp (jmp_buf env, int val)
{
val = val == 0 ? 1 : val;
asm ("mov %esi,%eax\n\t" // val
"mov 0x00(%rdi),%rbp\n\t" // env->__bp
"mov 0x08(%rdi),%rbx\n\t" // env->__pc
"mov 0x16(%rdi),%rsp\n\t" // env->__sp
"jmp *%rbx\n\t" // jmp *PC
);
// not reached
exit (42);
}
#if 0
int
setjmp_debug (jmp_buf env, int val)
{
int i;
#if 1
i = env->__bp;
i = env->__pc;
i = env->__sp;
#else
i = env[0].__bp;
i = env[0].__pc;
i = env[0].__sp;
#endif
return val == 0 ? 1 : val;
}
#endif
int
setjmp (jmp_buf env)
{
int *p = (int*)&env;
env[0].__bp = p[-2];
env[0].__pc = p[-1];
env[0].__sp = (long)&env;
return 0;
}