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2006-06-13 Sandra Loosemore <sandra@codesourcery.com>

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* /libc/sys/arm/syscalls.c (_unlink, isatty, _system, _rename):
        Make them do something useful in the ARM_RDI_MONITOR case.
This commit is contained in:
Jeff Johnston
2006-06-13 20:50:24 +00:00
parent 8e16dba0cc
commit c4cac45fe9
2 changed files with 55 additions and 4 deletions
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5
newlib/ChangeLog
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@@ -1,3 +1,8 @@
2006-06-13 Sandra Loosemore <sandra@codesourcery.com>
* /libc/sys/arm/syscalls.c (_unlink, isatty, _system, _rename):
Make them do something useful in the ARM_RDI_MONITOR case.
2006-06-07 Fred Fish <fnf@specifix.com> 2006-06-07 Fred Fish <fnf@specifix.com>
* libc/search/hash_bigkey.c (MIN,MAX): Remove * libc/search/hash_bigkey.c (MIN,MAX): Remove

54
newlib/libc/sys/arm/syscalls.c
View File

@@ -14,6 +14,7 @@
#include <reent.h> #include <reent.h>
#include <signal.h> #include <signal.h>
#include <unistd.h> #include <unistd.h>
#include <sys/wait.h>
#include "swi.h" #include "swi.h"
/* Forward prototypes. */ /* Forward prototypes. */
@@ -23,7 +24,7 @@ int isatty _PARAMS ((int));
clock_t _times _PARAMS ((struct tms *)); clock_t _times _PARAMS ((struct tms *));
int _gettimeofday _PARAMS ((struct timeval *, struct timezone *)); int _gettimeofday _PARAMS ((struct timeval *, struct timezone *));
void _raise _PARAMS ((void)); void _raise _PARAMS ((void));
int _unlink _PARAMS ((void)); int _unlink _PARAMS ((const char *));
int _link _PARAMS ((void)); int _link _PARAMS ((void));
int _stat _PARAMS ((const char *, struct stat *)); int _stat _PARAMS ((const char *, struct stat *));
int _fstat _PARAMS ((int, struct stat *)); int _fstat _PARAMS ((int, struct stat *));
@@ -539,9 +540,16 @@ _link (void)
} }
int int
_unlink (void) _unlink (const char *path)
{ {
#ifdef ARM_RDI_MONITOR
int block[2];
block[0] = path;
block[1] = strlen(path);
return wrap (do_AngelSWI (AngelSWI_Reason_Remove, block)) ? -1 : 0;
#else
return -1; return -1;
#endif
} }
void void
@@ -606,22 +614,60 @@ _times (struct tms * tp)
int int
isatty (int fd) isatty (int fd)
{ {
return 1; #ifdef ARM_RDI_MONITOR
fd = fd; int fh = remap_handle (fd);
return wrap (do_AngelSWI (AngelSWI_Reason_IsTTY, &fh));
#else
return (fd <= 2) ? 1 : 0; /* one of stdin, stdout, stderr */
#endif
} }
int int
_system (const char *s) _system (const char *s)
{ {
#ifdef ARM_RDI_MONITOR
int block[2];
int e;
/* Hmmm. The ARM debug interface specification doesn't say whether
SYS_SYSTEM does the right thing with a null argument, or assign any
meaning to its return value. Try to do something reasonable.... */
if (!s)
return 1; /* maybe there is a shell available? we can hope. :-P */
block[0] = s;
block[1] = strlen (s);
e = wrap (do_AngelSWI (AngelSWI_Reason_System, block));
if ((e >= 0) && (e < 256))
{
/* We have to convert e, an exit status to the encoded status of
the command. To avoid hard coding the exit status, we simply
loop until we find the right position. */
int exit_code;
for (exit_code = e; e && WEXITSTATUS (e) != exit_code; e <<= 1)
continue;
}
return e;
#else
if (s == NULL) if (s == NULL)
return 0; return 0;
errno = ENOSYS; errno = ENOSYS;
return -1; return -1;
#endif
} }
int int
_rename (const char * oldpath, const char * newpath) _rename (const char * oldpath, const char * newpath)
{ {
#ifdef ARM_RDI_MONITOR
int block[4];
block[0] = oldpath;
block[1] = strlen(oldpath);
block[2] = newpath;
block[3] = strlen(newpath);
return wrap (do_AngelSWI (AngelSWI_Reason_Rename, block)) ? -1 : 0;
#else
errno = ENOSYS; errno = ENOSYS;
return -1; return -1;
#endif
} }