diff options
Diffstat (limited to 'arch/um/kernel/tt/mem_user.c')
-rw-r--r-- | arch/um/kernel/tt/mem_user.c | 49 |
1 files changed, 0 insertions, 49 deletions
diff --git a/arch/um/kernel/tt/mem_user.c b/arch/um/kernel/tt/mem_user.c deleted file mode 100644 index 9774f6360c32..000000000000 --- a/arch/um/kernel/tt/mem_user.c +++ /dev/null | |||
@@ -1,49 +0,0 @@ | |||
1 | /* | ||
2 | * Copyright (C) 2002 Jeff Dike (jdike@karaya.com) | ||
3 | * Licensed under the GPL | ||
4 | */ | ||
5 | |||
6 | #include <stdlib.h> | ||
7 | #include <stdio.h> | ||
8 | #include <unistd.h> | ||
9 | #include <string.h> | ||
10 | #include <errno.h> | ||
11 | #include <sys/mman.h> | ||
12 | #include "tt.h" | ||
13 | #include "mem_user.h" | ||
14 | #include "os.h" | ||
15 | |||
16 | void remap_data(void *segment_start, void *segment_end, int w) | ||
17 | { | ||
18 | void *addr; | ||
19 | unsigned long size; | ||
20 | int data, prot; | ||
21 | |||
22 | if(w) prot = PROT_WRITE; | ||
23 | else prot = 0; | ||
24 | prot |= PROT_READ | PROT_EXEC; | ||
25 | size = (unsigned long) segment_end - | ||
26 | (unsigned long) segment_start; | ||
27 | data = create_mem_file(size); | ||
28 | addr = mmap(NULL, size, PROT_WRITE | PROT_READ, MAP_SHARED, data, 0); | ||
29 | if(addr == MAP_FAILED){ | ||
30 | perror("mapping new data segment"); | ||
31 | exit(1); | ||
32 | } | ||
33 | memcpy(addr, segment_start, size); | ||
34 | if(switcheroo(data, prot, addr, segment_start, size) < 0){ | ||
35 | printf("switcheroo failed\n"); | ||
36 | exit(1); | ||
37 | } | ||
38 | } | ||
39 | |||
40 | /* | ||
41 | * Overrides for Emacs so that we follow Linus's tabbing style. | ||
42 | * Emacs will notice this stuff at the end of the file and automatically | ||
43 | * adjust the settings for this buffer only. This must remain at the end | ||
44 | * of the file. | ||
45 | * --------------------------------------------------------------------------- | ||
46 | * Local variables: | ||
47 | * c-file-style: "linux" | ||
48 | * End: | ||
49 | */ | ||