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

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* include/linux/x86/syscall.h: Move SYS_ defines from gnu.c.
* include/linux/x86_64/syscall.h: Add SYS_ defines for gnu.
* lib/linux/gnu.c: Update.
* lib/linux/gnu.c (signal)[__x86_64__]: Implement using rt_sigaction.
* lib/stdlib/abort.c: Support x86_64.
This commit is contained in:
Jan Nieuwenhuizen 2018-08-11 19:04:01 +02:00
parent 50dff52c99
commit fe055ba344
No known key found for this signature in database
GPG key ID: F3C1A0D9C1D65273
5 changed files with 55 additions and 24 deletions
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4
build-aux/build-cc.sh
View file

@ -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/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
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
sh ${srcdest}build-aux/cc64-mes.sh scaffold/main
sh ${srcdest}build-aux/cc64-mes.sh scaffold/hello

22
include/linux/x86/syscall.h
View file

@ -45,4 +45,26 @@
#define SYS_stat 0x6a
#define SYS_getcwd 0xb7
// libc+gnu
#define SYS_link 0x09
#define SYS_getpid 0x14
#define SYS_getuid 0x18
#define SYS_kill 0x25
#define SYS_rename 0x26
#define SYS_mkdir 0x27
#define SYS_dup 0x29
#define SYS_pipe 0x2a
#define SYS_getgid 0x2f
#define SYS_signal 0x30
#define SYS_sigaction 0x43
#define SYS_rt_sigaction 0xae
#define SYS_signal 0x30
#define SYS_fcntl 0x37
#define SYS_dup2 0x3f
#define SYS_getrusage 0x4d
#define SYS_lstat 0x6b
#define SYS_setitimer 0x68
#define SYS_fstat 0x6c
#define SYS_nanosleep 0xa2
#endif // __MES_LINUX_X86_SYSCALL_H

19
include/linux/x86_64/syscall.h
View file

@ -45,4 +45,23 @@
#define SYS_stat 0x04
#define SYS_getcwd 0x4f
// libc+gnu
#define SYS_link 0x56
#define SYS_getpid 0x27
#define SYS_getuid 0x66
#define SYS_kill 0x3e
#define SYS_rename 0x52
#define SYS_mkdir 0x53
#define SYS_dup 0x20
#define SYS_pipe 0x16
#define SYS_getgid 0x68
#define SYS_rt_sigaction 0x0d
#define SYS_fcntl 0x48
#define SYS_dup2 0x21
#define SYS_getrusage 0x62
#define SYS_lstat 0x06
#define SYS_setitimer 0x26
#define SYS_fstat 0x05
#define SYS_nanosleep 0x33
#endif // __MES_LINUX_X86_64_SYSCALL_H

30
lib/linux/gnu.c
View file

@ -18,24 +18,6 @@
* along with GNU Mes. If not, see <http://www.gnu.org/licenses/>.
*/
#define SYS_link 0x09
#define SYS_getpid 0x14
#define SYS_getuid 0x18
#define SYS_kill 0x25
#define SYS_rename 0x26
#define SYS_mkdir 0x27
#define SYS_dup 0x29
#define SYS_pipe 0x2a
#define SYS_getgid 0x2f
#define SYS_signal 0x30
#define SYS_fcntl 0x37
#define SYS_dup2 0x3f
#define SYS_getrusage 0x4d
#define SYS_lstat 0x6b
#define SYS_setitimer 0x68
#define SYS_fstat 0x6c
#define SYS_nanosleep 0xa2
#include <sys/resource.h>
int
@ -86,6 +68,7 @@ getgid ()
return _sys_call (SYS_getgid);
}
#if __i386__
#if __MESC__
void *
signal (int signum, void * action)
@ -96,6 +79,17 @@ signal (int signum, sighandler_t action)
{
return _sys_call2 (SYS_signal, signum, action);
}
#elif __x86_64__
sighandler_t
signal (int signum, sighandler_t action)
{
sighandler_t old;
_sys_call3 (SYS_rt_sigaction, signum, action, &old);
return old;
}
#else
#error arch not supported
#endif
int
fcntl (int filedes, int command, ...)

4
lib/stdlib/abort.c
View file

@ -21,9 +21,5 @@
void
abort (void)
{
#if __i386__
asm ("hlt");
#else
asm ("break 0");
#endif
}