Revision 992f48a0 linux-user/mmap.c
| b/linux-user/mmap.c | ||
|---|---|---|
| 30 | 30 |
//#define DEBUG_MMAP |
| 31 | 31 |
|
| 32 | 32 |
/* NOTE: all the constants are the HOST ones, but addresses are target. */ |
| 33 |
int target_mprotect(target_ulong start, target_ulong len, int prot)
|
|
| 33 |
int target_mprotect(abi_ulong start, abi_ulong len, int prot)
|
|
| 34 | 34 |
{
|
| 35 |
target_ulong end, host_start, host_end, addr;
|
|
| 35 |
abi_ulong end, host_start, host_end, addr;
|
|
| 36 | 36 |
int prot1, ret; |
| 37 | 37 |
|
| 38 | 38 |
#ifdef DEBUG_MMAP |
| ... | ... | |
| 96 | 96 |
} |
| 97 | 97 |
|
| 98 | 98 |
/* map an incomplete host page */ |
| 99 |
static int mmap_frag(target_ulong real_start,
|
|
| 100 |
target_ulong start, target_ulong end,
|
|
| 101 |
int prot, int flags, int fd, target_ulong offset)
|
|
| 99 |
static int mmap_frag(abi_ulong real_start,
|
|
| 100 |
abi_ulong start, abi_ulong end,
|
|
| 101 |
int prot, int flags, int fd, abi_ulong offset)
|
|
| 102 | 102 |
{
|
| 103 |
target_ulong real_end, ret, addr;
|
|
| 103 |
abi_ulong real_end, ret, addr;
|
|
| 104 | 104 |
void *host_start; |
| 105 | 105 |
int prot1, prot_new; |
| 106 | 106 |
|
| ... | ... | |
| 152 | 152 |
} |
| 153 | 153 |
|
| 154 | 154 |
/* NOTE: all the constants are the HOST ones */ |
| 155 |
target_long target_mmap(target_ulong start, target_ulong len, int prot,
|
|
| 156 |
int flags, int fd, target_ulong offset)
|
|
| 155 |
abi_long target_mmap(abi_ulong start, abi_ulong len, int prot,
|
|
| 156 |
int flags, int fd, abi_ulong offset)
|
|
| 157 | 157 |
{
|
| 158 |
target_ulong ret, end, real_start, real_end, retaddr, host_offset, host_len;
|
|
| 158 |
abi_ulong ret, end, real_start, real_end, retaddr, host_offset, host_len;
|
|
| 159 | 159 |
unsigned long host_start; |
| 160 | 160 |
#if defined(__alpha__) || defined(__sparc__) || defined(__x86_64__) || \ |
| 161 | 161 |
defined(__ia64) || defined(__mips__) |
| 162 |
static target_ulong last_start = 0x40000000;
|
|
| 162 |
static abi_ulong last_start = 0x40000000;
|
|
| 163 | 163 |
#elif defined(__CYGWIN__) |
| 164 | 164 |
/* Cygwin doesn't have a whole lot of address space. */ |
| 165 |
static target_ulong last_start = 0x18000000;
|
|
| 165 |
static abi_ulong last_start = 0x18000000;
|
|
| 166 | 166 |
#endif |
| 167 | 167 |
|
| 168 | 168 |
#ifdef DEBUG_MMAP |
| ... | ... | |
| 228 | 228 |
* TARGET_PAGE_SIZE, see exec.c. qemu_real_host_page_size is the |
| 229 | 229 |
* hosts real page size. |
| 230 | 230 |
*/ |
| 231 |
target_ulong host_end;
|
|
| 231 |
abi_ulong host_end;
|
|
| 232 | 232 |
unsigned long host_aligned_start; |
| 233 | 233 |
|
| 234 | 234 |
host_len = HOST_PAGE_ALIGN(host_len + qemu_host_page_size |
| ... | ... | |
| 354 | 354 |
return start; |
| 355 | 355 |
} |
| 356 | 356 |
|
| 357 |
int target_munmap(target_ulong start, target_ulong len)
|
|
| 357 |
int target_munmap(abi_ulong start, abi_ulong len)
|
|
| 358 | 358 |
{
|
| 359 |
target_ulong end, real_start, real_end, addr;
|
|
| 359 |
abi_ulong end, real_start, real_end, addr;
|
|
| 360 | 360 |
int prot, ret; |
| 361 | 361 |
|
| 362 | 362 |
#ifdef DEBUG_MMAP |
| ... | ... | |
| 408 | 408 |
|
| 409 | 409 |
/* XXX: currently, we only handle MAP_ANONYMOUS and not MAP_FIXED |
| 410 | 410 |
blocks which have been allocated starting on a host page */ |
| 411 |
target_long target_mremap(target_ulong old_addr, target_ulong old_size,
|
|
| 412 |
target_ulong new_size, unsigned long flags,
|
|
| 413 |
target_ulong new_addr)
|
|
| 411 |
abi_long target_mremap(abi_ulong old_addr, abi_ulong old_size,
|
|
| 412 |
abi_ulong new_size, unsigned long flags,
|
|
| 413 |
abi_ulong new_addr)
|
|
| 414 | 414 |
{
|
| 415 | 415 |
int prot; |
| 416 | 416 |
unsigned long host_addr; |
| ... | ... | |
| 426 | 426 |
return new_addr; |
| 427 | 427 |
} |
| 428 | 428 |
|
| 429 |
int target_msync(target_ulong start, target_ulong len, int flags)
|
|
| 429 |
int target_msync(abi_ulong start, abi_ulong len, int flags)
|
|
| 430 | 430 |
{
|
| 431 |
target_ulong end;
|
|
| 431 |
abi_ulong end;
|
|
| 432 | 432 |
|
| 433 | 433 |
if (start & ~TARGET_PAGE_MASK) |
| 434 | 434 |
return -EINVAL; |
Also available in: Unified diff