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simplify uc_mem_protect() & uc_mem_unmap()

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This commit is contained in:
Nguyen Anh Quynh
2015-09-04 01:02:38 +08:00
parent 8a6fe6dc9d
commit 6ca85a72ed
3 changed files with 84 additions and 79 deletions
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39
include/unicorn/unicorn.h
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@ -401,8 +401,7 @@ typedef enum uc_prot {
/*
Map memory in for emulation.
This API adds a memory region that can be used by emulation. The region is mapped
with permissions UC_PROT_READ | UC_PROT_WRITE | UC_PROT_EXEC.
This API adds a memory region that can be used by emulation.
@handle: handle returned by uc_open()
@address: starting address of the new memory region to be mapped in.
@ -413,12 +412,28 @@ typedef enum uc_prot {
This must be some combination of UC_PROT_READ | UC_PROT_WRITE | UC_PROT_EXEC,
or this will return with UC_ERR_INVAL error.
@return UC_ERR_OK on success, UC_ERR_NOMEM if no memory is available to satisfy the
request, or other value on failure (refer to uc_err enum for detailed error).
@return UC_ERR_OK on success, or other value on failure (refer to uc_err enum
for detailed error).
*/
UNICORN_EXPORT
uc_err uc_mem_map(uch handle, uint64_t address, size_t size, uint32_t perms);
/*
Unmap a region of emulation memory.
This API deletes a memory mapping from the emulation memory space.
@handle: handle returned by uc_open()
@address: starting address of the memory region to be unmapped.
This address must be aligned to 4KB, or this will return with UC_ERR_INVAL error.
@size: size of the memory region to be modified.
This size must be multiple of 4KB, or this will return with UC_ERR_INVAL error.
@return UC_ERR_OK on success, or other value on failure (refer to uc_err enum
for detailed error).
*/
UNICORN_EXPORT
uc_err uc_mem_unmap(uch handle, uint64_t address, size_t size);
/*
Set memory permissions for emulation memory.
This API changes permissions on an existing memory region.
@ -439,22 +454,6 @@ uc_err uc_mem_map(uch handle, uint64_t address, size_t size, uint32_t perms);
UNICORN_EXPORT
uc_err uc_mem_protect(uch handle, uint64_t address, size_t size, uint32_t perms);
/*
Unmap a region of emulation memory.
This API deletes a memory mapping from the emulation memory space.
@handle: handle returned by uc_open()
@address: starting address of the memory region to be unmapped.
This address must be aligned to 4KB, or this will return with UC_ERR_INVAL error.
@size: size of the memory region to be modified.
This size must be multiple of 4KB, or this will return with UC_ERR_INVAL error.
@return UC_ERR_OK on success, or other value on failure (refer to uc_err enum
for detailed error).
*/
UNICORN_EXPORT
uc_err uc_mem_unmap(uch handle, uint64_t address, size_t size);
#ifdef __cplusplus
}
#endif