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[/] [or1k/] [trunk/] [newlib/] [newlib/] [libc/] [sys/] [sh/] [syscalls.c] - Blame information for rev 1774

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#include <_ansi.h>
#include <sys/types.h>
#include <sys/stat.h>
#include "sys/syscall.h"
int errno;
 
int
_read (int file,
       char *ptr,
       int len)
{
  return __trap34 (SYS_read, file, ptr, len);
}
 
int
_lseek (int file,
        int ptr,
        int dir)
{
  return __trap34 (SYS_lseek, file, ptr, dir);
}
 
int
_write ( int file,
         char *ptr,
         int len)
{
  return __trap34 (SYS_write, file, ptr, len);
}
 
int
_close (int file)
{
  return __trap34 (SYS_close, file, 0, 0);
}
 
 
register char *stack_ptr asm ("r15");
 
caddr_t
_sbrk (int incr)
{
  extern char end;              /* Defined by the linker */
  static char *heap_end;
  char *prev_heap_end;
 
  if (heap_end == 0)
    {
      heap_end = &end;
    }
  prev_heap_end = heap_end;
  if (heap_end + incr > stack_ptr)
    {
      _write (1, "Heap and stack collision\n", 25);
      abort ();
    }
  heap_end += incr;
  return (caddr_t) prev_heap_end;
}
 
int
_fstat (int file,
        struct stat *st)
{
  st->st_mode = S_IFCHR;
  return 0;
}
 
int
_open (const char *path,
        int flags)
{
  return __trap34 (SYS_open, path, flags, 0);
}
 
int
_creat (const char *path,
        int mode)
{
  return __trap34 (SYS_creat, path, mode, 0);
}
 
int
_unlink ()
{
  return -1;
}
 
isatty (fd)
     int fd;
{
  return 1;
}
 
_exit (n)
{
  return __trap34 (SYS_exit, n, 0, 0);
}
 
_kill (n, m)
{
  return __trap34 (SYS_exit, 0xdead, 0, 0);
}
 
_getpid (n)
{
  return 1;
}
 
_raise ()
{
}
 
int
_stat (const char *path, struct stat *st)
 
{
  return __trap34 (SYS_stat, path, st, 0);
}
 
int
_chmod (const char *path, short mode)
{
  return __trap34 (SYS_chmod, path, mode);
}
 
int
_chown (const char *path, short owner, short group)
{
  return __trap34 (SYS_chown, path, owner, group);
}
 
int
_utime (path, times)
     const char *path;
     char *times;
{
  return __trap34 (SYS_utime, path, times);
}
 
int
_fork ()
{
  return __trap34 (SYS_fork);
}
 
int
_wait (statusp)
     int *statusp;
{
  return __trap34 (SYS_wait);
}
 
int
_execve (const char *path, char *const argv[], char *const envp[])
{
  return __trap34 (SYS_execve, path, argv, envp);
}
 
int
_execv (const char *path, char *const argv[])
{
  return __trap34 (SYS_execv, path, argv);
}
 
int
_pipe (int *fd)
{
  return __trap34 (SYS_pipe, fd);
}

Line No.	Rev	Author	Line
1	39	lampret	`#include <_ansi.h>`
2			`#include <sys/types.h>`
3			`#include <sys/stat.h>`
4			`#include "sys/syscall.h"`
5			`int errno;`
6
7			`int`
8			`_read (int file,`
9			`char *ptr,`
10			`int len)`
11			`{`
12			`return __trap34 (SYS_read, file, ptr, len);`
13			`}`
14
15			`int`
16			`_lseek (int file,`
17			`int ptr,`
18			`int dir)`
19			`{`
20			`return __trap34 (SYS_lseek, file, ptr, dir);`
21			`}`
22
23			`int`
24			`_write ( int file,`
25			`char *ptr,`
26			`int len)`
27			`{`
28			`return __trap34 (SYS_write, file, ptr, len);`
29			`}`
30
31			`int`
32			`_close (int file)`
33			`{`
34			`return __trap34 (SYS_close, file, 0, 0);`
35			`}`
36
37
38			`register char *stack_ptr asm ("r15");`
39
40			`caddr_t`
41			`_sbrk (int incr)`
42			`{`
43			`extern char end; /* Defined by the linker */`
44			`static char *heap_end;`
45			`char *prev_heap_end;`
46
47			`if (heap_end == 0)`
48			`{`
49			`heap_end = &end;`
50			`}`
51			`prev_heap_end = heap_end;`
52			`if (heap_end + incr > stack_ptr)`
53			`{`
54			`_write (1, "Heap and stack collision\n", 25);`
55			`abort ();`
56			`}`
57			`heap_end += incr;`
58			`return (caddr_t) prev_heap_end;`
59			`}`
60
61			`int`
62			`_fstat (int file,`
63			`struct stat *st)`
64			`{`
65			`st->st_mode = S_IFCHR;`
66			`return 0;`
67			`}`
68
69			`int`
70			`_open (const char *path,`
71			`int flags)`
72			`{`
73			`return __trap34 (SYS_open, path, flags, 0);`
74			`}`
75
76			`int`
77			`_creat (const char *path,`
78			`int mode)`
79			`{`
80			`return __trap34 (SYS_creat, path, mode, 0);`
81			`}`
82
83			`int`
84			`_unlink ()`
85			`{`
86			`return -1;`
87			`}`
88
89			`isatty (fd)`
90			`int fd;`
91			`{`
92			`return 1;`
93			`}`
94
95			`_exit (n)`
96			`{`
97			`return __trap34 (SYS_exit, n, 0, 0);`
98			`}`
99
100			`_kill (n, m)`
101			`{`
102			`return __trap34 (SYS_exit, 0xdead, 0, 0);`
103			`}`
104
105			`_getpid (n)`
106			`{`
107			`return 1;`
108			`}`
109
110			`_raise ()`
111			`{`
112			`}`
113
114			`int`
115			`_stat (const char path, struct stat st)`
116
117			`{`
118			`return __trap34 (SYS_stat, path, st, 0);`
119			`}`
120
121			`int`
122			`_chmod (const char *path, short mode)`
123			`{`
124			`return __trap34 (SYS_chmod, path, mode);`
125			`}`
126
127			`int`
128			`_chown (const char *path, short owner, short group)`
129			`{`
130			`return __trap34 (SYS_chown, path, owner, group);`
131			`}`
132
133			`int`
134			`_utime (path, times)`
135			`const char *path;`
136			`char *times;`
137			`{`
138			`return __trap34 (SYS_utime, path, times);`
139			`}`
140
141			`int`
142			`_fork ()`
143			`{`
144			`return __trap34 (SYS_fork);`
145			`}`
146
147			`int`
148			`_wait (statusp)`
149			`int *statusp;`
150			`{`
151			`return __trap34 (SYS_wait);`
152			`}`
153
154			`int`
155			`_execve (const char path, char const argv[], char *const envp[])`
156			`{`
157			`return __trap34 (SYS_execve, path, argv, envp);`
158			`}`
159
160			`int`
161			`_execv (const char path, char const argv[])`
162			`{`
163			`return __trap34 (SYS_execv, path, argv);`
164			`}`
165
166			`int`
167			`_pipe (int *fd)`
168			`{`
169			`return __trap34 (SYS_pipe, fd);`
170			`}`

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[/] [or1k/] [trunk/] [newlib/] [newlib/] [libc/] [sys/] [sh/] [syscalls.c] - Blame information for rev 1774