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implement host-controlled memory mapping for #261

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This commit is contained in:
Ryan Hileman
2015-11-27 17:25:53 -08:00
parent c6b6ba5daa
commit 6d21ebabea
19 changed files with 160 additions and 7 deletions
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3
include/uc_priv.h
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@@ -48,6 +48,8 @@ typedef void (*uc_args_uc_u64_t)(struct uc_struct *, uint64_t addr);
typedef MemoryRegion* (*uc_args_uc_ram_size_t)(struct uc_struct*, ram_addr_t begin, size_t size, uint32_t perms);
typedef MemoryRegion* (*uc_args_uc_ram_size_ptr_t)(struct uc_struct*, ram_addr_t begin, size_t size, void *ptr);
typedef void (*uc_mem_unmap_t)(struct uc_struct*, MemoryRegion *mr);
typedef void (*uc_readonly_mem_t)(MemoryRegion *mr, bool readonly);
@@ -97,6 +99,7 @@ struct uc_struct {
uc_args_tcg_enable_t tcg_enabled;
uc_args_uc_long_t tcg_exec_init;
uc_args_uc_ram_size_t memory_map;
uc_args_uc_ram_size_ptr_t memory_map_ptr;
uc_mem_unmap_t memory_unmap;
uc_readonly_mem_t readonly_mem;
uc_mem_redirect_t mem_redirect;

18
include/unicorn/unicorn.h
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@@ -446,6 +446,24 @@ typedef enum uc_prot {
UNICORN_EXPORT
uc_err uc_mem_map(uc_engine *uc, uint64_t address, size_t size, uint32_t perms);
/*
Map existing host memory in for emulation.
This API adds a memory region that can be used by emulation.
@uc: handle returned by uc_open()
@address: starting address of the new memory region to be mapped in.
This address must be aligned to 4KB, or this will return with UC_ERR_ARG error.
@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_ARG error.
@ptr: pointer to host memory backing the newly mapped memory. Existing host
memory permissions are preserved.
@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_ptr(uc_engine *uc, uint64_t address, size_t size, void *ptr);
/*
Unmap a region of emulation memory.
This API deletes a memory mapping from the emulation memory space.