JehanneOS/newlib
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

* libc/sys/sh/sys/syscall.h (SYS_get_argc, SYS_get_argN_len,

Browse Source 
SYS_get_argN):
* libc/sys/sh/syscalls.c (__setup_argv_for_main,
__setup_argv_and_call_main): New.
This commit is contained in:
Alexandre Oliva 2001-02-01 21:25:56 +00:00
parent 67997034e8
commit b5139f598b
3 changed files with 39 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
newlib/ChangeLog
View File

@ -1,3 +1,10 @@
2001-02-01 Alexandre Oliva <aoliva@redhat.com>
* libc/sys/sh/sys/syscall.h (SYS_get_argc, SYS_get_argN_len,
SYS_get_argN):
* libc/sys/sh/syscalls.c (__setup_argv_for_main,
__setup_argv_and_call_main): New.
2001-01-31 Jeff Johnston <jjohnstn@redhat.com>
* libc/include/stdio.h (FILENAME_MAX): Changed to use __FILENAME_MAX__

4
newlib/libc/sys/sh/sys/syscall.h
View File

@ -27,5 +27,9 @@
#define SYS_pipe 42
#define SYS_execve 59
#define SYS_argc 172 /* == 0xAC, for Argument Count :-) */
#define SYS_argnlen 173
#define SYS_argn 174
#define SYS_utime 201 /* not really a system call */
#define SYS_wait 202 /* nor is this */

28
newlib/libc/sys/sh/syscalls.c
View File

@ -191,3 +191,31 @@ _gettimeofday (struct timeval *tv, struct timezone *tz)
tv->tv_sec = __trap34 (SYS_time);
return 0;
}
static inline int
__setup_argv_for_main (int argc)
{
char **argv;
int i = argc;
argv = __builtin_alloca ((1 + argc) * sizeof (*argv));
argv[i] = NULL;
while (i--) {
argv[i] = __builtin_alloca (1 + __trap34 (SYS_argnlen, i));
__trap34 (SYS_argn, i, argv[i]);
}
return main (argc, argv);
}
int
__setup_argv_and_call_main ()
{
int argc = __trap34 (SYS_argc);
if (argc <= 0)
return main (argc, NULL);
else
return __setup_argv_for_main (argc);
}