Revision e89f07d3 linux-user/mmap.c
| b/linux-user/mmap.c | ||
|---|---|---|
| 183 | 183 |
} |
| 184 | 184 |
#endif |
| 185 | 185 |
|
| 186 |
if (offset & ~TARGET_PAGE_MASK) |
|
| 187 |
return -EINVAL; |
|
| 186 |
if (offset & ~TARGET_PAGE_MASK) {
|
|
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errno = EINVAL; |
|
| 188 |
return -1; |
|
| 189 |
} |
|
| 188 | 190 |
|
| 189 | 191 |
len = TARGET_PAGE_ALIGN(len); |
| 190 | 192 |
if (len == 0) |
| ... | ... | |
| 232 | 234 |
} |
| 233 | 235 |
} |
| 234 | 236 |
|
| 235 |
if (start & ~TARGET_PAGE_MASK) |
|
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return -EINVAL; |
|
| 237 |
if (start & ~TARGET_PAGE_MASK) {
|
|
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errno = EINVAL; |
|
| 239 |
return -1; |
|
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} |
|
| 237 | 241 |
end = start + len; |
| 238 | 242 |
host_end = HOST_PAGE_ALIGN(end); |
| 239 | 243 |
|
| ... | ... | |
| 244 | 248 |
/* msync() won't work here, so we return an error if write is |
| 245 | 249 |
possible while it is a shared mapping */ |
| 246 | 250 |
if ((flags & MAP_TYPE) == MAP_SHARED && |
| 247 |
(prot & PROT_WRITE)) |
|
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return -EINVAL; |
|
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(prot & PROT_WRITE)) {
|
|
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errno = EINVAL; |
|
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return -1; |
|
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} |
|
| 249 | 255 |
retaddr = target_mmap(start, len, prot | PROT_WRITE, |
| 250 | 256 |
MAP_FIXED | MAP_PRIVATE | MAP_ANONYMOUS, |
| 251 | 257 |
-1, 0); |
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