yizhi-js-lib/favicon-trap
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Remove MemoryBlock struct by consolidating in MemoryRegion. add new API uc_mem_protect. Add regress/mem_protect.c. Drop UC_PROT_EXEC for time being

Browse Source
This commit is contained in:
Chris Eagle
2015-08-27 23:19:32 -07:00
parent bf32753c29
commit 9530b2daff
8 changed files with 379 additions and 36 deletions
Download Patch File Download Diff File Expand all files Collapse all files

24
include/unicorn/unicorn.h
View File

@ -389,13 +389,12 @@ uc_err uc_hook_del(uch handle, uch *h2);
typedef enum uc_prot {
UC_PROT_READ = 1,
UC_PROT_WRITE = 2,
UC_PROT_EXEC = 4
} 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.
with permissions UC_PROT_READ | UC_PROT_WRITE.
@handle: handle returned by uc_open()
@address: starting address of the new memory region to be mapped in.
@ -419,7 +418,7 @@ uc_err uc_mem_map(uch handle, uint64_t address, size_t size);
@size: size of the new memory region to be mapped in.
This size must be multiple of 4KB, or this will return with UC_ERR_MAP error.
@perms: Permissions for the newly mapped region.
This must be some combination of UC_PROT_READ | UC_PROT_WRITE | UC_PROT_EXEC,
This must be some combination of UC_PROT_READ | UC_PROT_WRITE,
or this will return with UC_ERR_MAP error.
@return UC_ERR_OK on success, or other value on failure (refer to uc_err enum
@ -428,6 +427,25 @@ uc_err uc_mem_map(uch handle, uint64_t address, size_t size);
UNICORN_EXPORT
uc_err uc_mem_map_ex(uch handle, uint64_t address, size_t size, uint32_t perms);
/*
Set memory permissions for emulation memory.
This API changes permissions on an existing memory region.
@handle: handle returned by uc_open()
@address: starting address of the memory region to be modified.
This address must be aligned to 4KB, or this will return with UC_ERR_MAP error.
@size: size of the memory region to be modified.
This size must be multiple of 4KB, or this will return with UC_ERR_MAP error.
@perms: New permissions for the mapped region.
This must be some combination of UC_PROT_READ | UC_PROT_WRITE,
or this will return with UC_ERR_MAP 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_protect(uch handle, uint64_t start, size_t block_size, uint32_t perms);
#ifdef __cplusplus
}
#endif