summaryrefslogtreecommitdiffstats
path: root/c/src/lib/libbsp/arm/gdbarmsim/startup/syscalls.c
diff options
context:
space:
mode:
Diffstat (limited to '')
-rw-r--r--c/src/lib/libbsp/arm/gdbarmsim/startup/syscalls.c88
1 files changed, 44 insertions, 44 deletions
diff --git a/c/src/lib/libbsp/arm/gdbarmsim/startup/syscalls.c b/c/src/lib/libbsp/arm/gdbarmsim/startup/syscalls.c
index 5d4c0de9bb..c3effd91ec 100644
--- a/c/src/lib/libbsp/arm/gdbarmsim/startup/syscalls.c
+++ b/c/src/lib/libbsp/arm/gdbarmsim/startup/syscalls.c
@@ -64,11 +64,11 @@ struct fdent
#define MAX_OPEN_FILES 20
-/* User file descriptors (fd) are integer indexes into
+/* User file descriptors (fd) are integer indexes into
the openfiles[] array. Error checking is done by using
- findslot().
+ findslot().
- This openfiles array is manipulated directly by only
+ This openfiles array is manipulated directly by only
these 5 functions:
findslot() - Translate entry.
@@ -103,7 +103,7 @@ static int monitor_stdout;
static int monitor_stderr;
/* Return a pointer to the structure associated with
- the user file descriptor fd. */
+ the user file descriptor fd. */
static struct fdent*
findslot (int fd)
{
@@ -121,8 +121,8 @@ findslot (int fd)
return &openfiles[fd];
}
-/* Return the next lowest numbered free file
- structure, or -1 if we can't find one. */
+/* Return the next lowest numbered free file
+ structure, or -1 if we can't find one. */
static int
newslot (void)
{
@@ -142,7 +142,7 @@ void
initialise_monitor_handles (void)
{
int i;
-
+
/* Open the standard file descriptors by opening the special
* teletype device, ":tt", read-only to obtain a descritpor for
* standard input and write-only to obtain a descriptor for standard
@@ -155,7 +155,7 @@ initialise_monitor_handles (void)
#ifdef ARM_RDI_MONITOR
int volatile block[3];
-
+
block[0] = (int) ":tt";
block[2] = 3; /* length of filename */
block[1] = 0; /* mode "r" */
@@ -242,7 +242,7 @@ checkerror (int result)
/* fh, is a valid internal file handle.
ptr, is a null terminated string.
- len, is the length in bytes to read.
+ len, is the length in bytes to read.
Returns the number of bytes *not* written. */
int
_swiread (int fh,
@@ -251,11 +251,11 @@ _swiread (int fh,
{
#ifdef ARM_RDI_MONITOR
int block[3];
-
+
block[0] = fh;
block[1] = (int) ptr;
block[2] = len;
-
+
return checkerror (do_AngelSWI (AngelSWI_Reason_Read, block));
#else
register int r0 asm("r0");
@@ -271,7 +271,7 @@ _swiread (int fh,
#endif
}
-/* fd, is a valid user file handle.
+/* fd, is a valid user file handle.
Translates the return of _swiread into
bytes read. */
int
@@ -296,7 +296,7 @@ _read (int fd,
pfd->pos += len - res;
- /* res == len is not an error,
+ /* res == len is not an error,
at least if we want feof() to work. */
return len - res;
}
@@ -341,7 +341,7 @@ _swilseek (int fd,
}
dir = SEEK_SET;
}
-
+
#ifdef ARM_RDI_MONITOR
int block[2];
if (dir == SEEK_END)
@@ -352,7 +352,7 @@ _swilseek (int fd,
return -1;
ptr += res;
}
-
+
/* This code only does absolute seeks. */
block[0] = pfd->handle;
block[1] = ptr;
@@ -405,11 +405,11 @@ _swiwrite (
{
#ifdef ARM_RDI_MONITOR
int block[3];
-
+
block[0] = fh;
block[1] = (int) ptr;
block[2] = len;
-
+
return checkerror (do_AngelSWI (AngelSWI_Reason_Write, block));
#else
register int r0 asm("r0");
@@ -449,11 +449,11 @@ _write (int fd,
pfd->pos += len - res;
- /* We wrote 0 bytes?
+ /* We wrote 0 bytes?
Retrieve errno just in case. */
if ((len - res) == 0)
return error (0);
-
+
return (len - res);
}
@@ -464,7 +464,7 @@ _swiopen (const char * path, int flags)
#ifdef ARM_RDI_MONITOR
int block[3];
#endif
-
+
int fd = newslot ();
if (fd == -1)
@@ -472,9 +472,9 @@ _swiopen (const char * path, int flags)
errno = EMFILE;
return -1;
}
-
+
/* It is an error to open a file that already exists. */
- if ((flags & O_CREAT)
+ if ((flags & O_CREAT)
&& (flags & O_EXCL))
{
struct stat st;
@@ -487,15 +487,15 @@ _swiopen (const char * path, int flags)
}
}
- /* The flags are Unix-style, so we need to convert them. */
+ /* The flags are Unix-style, so we need to convert them. */
#ifdef O_BINARY
if (flags & O_BINARY)
aflags |= 1;
#endif
-
+
/* In O_RDONLY we expect aflags == 0. */
- if (flags & O_RDWR)
+ if (flags & O_RDWR)
aflags |= 2;
if ((flags & O_CREAT)
@@ -509,21 +509,21 @@ _swiopen (const char * path, int flags)
aflags &= ~4;
aflags |= 8;
}
-
+
#ifdef ARM_RDI_MONITOR
block[0] = (int) path;
block[2] = strlen (path);
block[1] = aflags;
-
+
fh = do_AngelSWI (AngelSWI_Reason_Open, block);
-
+
#else
asm ("mov r0,%2; mov r1, %3; swi %a1; mov %0, r0"
: "=r"(fh)
: "i" (SWI_Open),"r"(path),"r"(aflags)
: "r0","r1");
#endif
-
+
/* Return a user file descriptor or an error. */
if (fh >= 0)
{
@@ -550,8 +550,8 @@ _swiclose (int fh)
#else
register int r0 asm("r0");
r0 = fh;
- asm ("swi %a2"
- : "=r"(r0)
+ asm ("swi %a2"
+ : "=r"(r0)
: "0"(r0), "i" (SWI_Close));
return checkerror (r0);
#endif
@@ -605,9 +605,9 @@ _sbrk (int incr)
if (heap_end == NULL)
heap_end = & end;
-
+
prev_heap_end = heap_end;
-
+
if (heap_end + incr > stack_ptr)
{
/* Some of the libstdc++-v3 tests rely upon detecting
@@ -616,21 +616,21 @@ _sbrk (int incr)
extern void abort (void);
_write (1, "_sbrk: Heap and stack collision\n", 32);
-
+
abort ();
#else
errno = ENOMEM;
return (caddr_t) -1;
#endif
}
-
+
heap_end += incr;
return (caddr_t) prev_heap_end;
}
#endif
-int
+int
_swistat (int fd, struct stat * st)
{
struct fdent *pfd;
@@ -675,14 +675,14 @@ _stat (const char *fname, struct stat *st)
{
int fd, res;
memset (st, 0, sizeof (* st));
- /* The best we can do is try to open the file readonly.
+ /* The best we can do is try to open the file readonly.
If it exists, then we can guess a few things about it. */
if ((fd = _open (fname, O_RDONLY)) == -1)
return -1;
st->st_mode |= S_IFREG | S_IREAD;
res = _swistat (fd, st);
/* Not interested in the error. */
- _close (fd);
+ _close (fd);
return res;
}
@@ -705,12 +705,12 @@ _unlink (const char *path)
#else
register int r0 asm("r0");
r0 = (int)path;
- asm ("swi %a2"
+ asm ("swi %a2"
: "=r"(r0)
: "0"(r0), "i" (SWI_Remove));
res = r0;
#endif
- if (res == -1)
+ if (res == -1)
return error (res);
return 0;
}
@@ -747,7 +747,7 @@ _gettimeofday (struct timeval * tp, void * tzvp)
#endif
/* Return a clock that ticks at 100Hz. */
-clock_t
+clock_t
_clock (void)
{
clock_t timeval;
@@ -773,7 +773,7 @@ _times (struct tms * tp)
tp->tms_cutime = 0; /* user time, children */
tp->tms_cstime = 0; /* system time, children */
}
-
+
return timeval;
};
@@ -831,7 +831,7 @@ _system (const char *s)
#else
register int r0 asm("r0");
r0 = (int)s;
- asm ("swi %a2"
+ asm ("swi %a2"
: "=r" (r0)
: "0"(r0), "i" (SWI_CLI));
return checkerror (r0);
@@ -853,7 +853,7 @@ _rename (const char * oldpath, const char * newpath)
register int r1 asm("r1");
r0 = (int)oldpath;
r1 = (int)newpath;
- asm ("swi %a3"
+ asm ("swi %a3"
: "=r" (r0)
: "0" (r0), "r" (r1), "i" (SWI_Rename));
return checkerror (r0);
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-03 12:04:23 +0000