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109 commits

Author SHA1 Message Date
Nguyen Anh Quynh 21c614d0af properly verify ARM mode in uc_open(). see issue #389 2016-01-22 20:46:26 +08:00
Nguyen Anh Quynh 3d8f413ce8 new API uc_mem_regions() to retrieve the list of memory regions mapped by uc_mem_map_*() 2016-01-16 16:57:17 +08:00
Nguyen Anh Quynh 71ad9310fc sanity check on arguments of uc_mem_map_ptr() 2016-01-12 00:59:56 +08:00
farmdve 89eac66bf7 Move sanity checks before uc->memory_map is called. 2016-01-11 18:26:23 +02:00
Nguyen Anh Quynh 7e16f7a50d disallow mapping memory range that is already mapped. this fixes issue #350 2015-12-30 09:17:47 +08:00
Nguyen Anh Quynh f935469658 mips: handle memory redirect for all APIs. this fixes issue #347 2015-12-28 15:19:30 +08:00
Nguyen Anh Quynh 771f9f7c3b fix conflicts when merging map-ptr branch to master branch 2015-12-17 08:12:02 +08:00
farmdve 8b79a872d0 Fix segfault introduced in my previous commits. 2015-12-11 22:35:25 +02:00
Nguyen Anh Quynh 3c72809373 end address of mapping memory is not inclusive, and can wrap around to 0. fix issue #299 2015-12-12 01:37:13 +08:00
Nguyen Anh Quynh 74986cc59a g_free() can handle NULL pointer 2015-12-11 11:25:35 +08:00
farmdve 3e57615c76 Fix uc_mem_unmap memory leak and in uc_close. 
It appears the problem is that we are not calling the memory region
destructor. After modifying memory_unmap to include the destructor call
for the memory region, the memory is freed.

Furthermore in uc_close we must explicitly free any blocks that were not
unmapped by the user to prevent leaks.

This should fix issue 305.
 2015-12-11 02:42:31 +02:00
Ryan Hileman 230cbd5330 add permissions to map_ptr api 2015-11-28 11:28:31 -08:00
Nguyen Anh Quynh f4882ae1a2 simplify code by replacing mem_map_start()/mem_map_finish() in uc.c with mem_map() 2015-11-28 18:26:08 +08:00
Nguyen Anh Quynh f57c098056 declare variables at begin of function 2015-11-28 15:56:19 +08:00
Ryan Hileman 6d21ebabea implement host-controlled memory mapping for #261 2015-11-27 23:30:36 -08:00
Nguyen Anh Quynh 2f297bdd3a handle some errors properly so avoid exit() during initialization. this fixes issue #237 2015-11-12 01:43:41 +08:00
Nguyen Anh Quynh 272293556a do not abort() when memory is insufficient. this fixes issue #244 2015-11-10 11:44:29 +08:00
practicalswift 4151d1d600 Fix segfault-on-emu_stop() bug. 2015-11-03 14:34:31 +01:00
Nguyen Anh Quynh b41db5abd9 Merge pull request #229 from practicalswift/typos 
Fix typos. Remove trailing whitespace.
 2015-10-31 10:39:35 +08:00
practicalswift 4f521c371c Fix typos. 2015-10-30 22:32:59 +01:00
Nguyen Anh Quynh b66a323b19 do not free MemoryRegion in memory_unmap() because it will be unref later in memory_region_unref(). this fixes issue #202 2015-10-28 01:26:59 +08:00
Nguyen Anh Quynh 3a36e327ab support memory redirection, so the issue #217 is fixed 2015-10-27 14:37:03 +08:00
coco dd56621bbb fix for use after free in case of double unmap 2015-10-21 22:25:49 +02:00
Willi Ballenthin 34c7b70bcb uc.c: fix minor typo 
s/argumet/argument/g
 2015-10-19 16:52:56 -04:00
Nguyen Anh Quynh b1d41d414b on some hook events, uc_hook_add() should not allow more than 1 handler. this add UC_ERR_HOOK_EXIST error type 2015-10-10 18:01:47 +08:00
Nguyen Anh Quynh 9e64cba6ec Rename some hook related enums: 
- UC_ERR_READ_INVALID -> UC_ERR_READ_UNMAPPED
 - UC_ERR_WRITE_INVALID -> UC_ERR_WRITE_UNMAPPED
 - UC_ERR_FETCH_INVALID -> UC_ERR_FETCH_UNMAPPED
 - UC_MEM_READ_INVALID -> UC_MEM_READ_UNMAPPED
 - UC_MEM_WRITE_INVALID -> UC_MEM_WRITE_UNMAPPED
 - UC_MEM_FETCH_INVALID -> UC_MEM_FETCH_UNMAPPED
 - UC_HOOK_MEM_READ_INVALID -> UC_HOOK_MEM_READ_UNMAPPED
 - UC_HOOK_MEM_WRITE_INVALID -> UC_HOOK_MEM_WRITE_UNMAPPED
 - UC_HOOK_MEM_FETCH_INVALID -> UC_HOOK_MEM_FETCH_UNMAPPED
 - UC_HOOK_MEM_INVALID -> UC_HOOK_MEM_UNMAPPED

This also renames some newly added macros to use _INVALID postfix:

 - UC_HOOK_MEM_READ_ERR -> UC_HOOK_MEM_READ_INVALID
 - UC_HOOK_MEM_WRITE_ERR -> UC_HOOK_MEM_WRITE_INVALID
 - UC_HOOK_MEM_FETCH_ERR -> UC_HOOK_MEM_FETCH_INVALID
 - UC_HOOK_MEM_ERR -> UC_HOOK_MEM_INVALID

Fixed all the bindings Java, Go & Python.
 2015-09-30 14:46:55 +08:00
Nguyen Anh Quynh 90eb8f2e72 This commit continues the PR #111 
- Allow to register handler separately for invalid memory access
- Add new memory events for hooking:
   - UC_MEM_READ_INVALID, UC_MEM_WRITE_INVALID, UC_MEM_FETCH_INVALID
   - UC_HOOK_MEM_READ_PROT, UC_HOOK_MEM_WRITE_PROT, UC_HOOK_MEM_FETCH_PROT
- Rename UC_ERR_EXEC_PROT to UC_ERR_FETCH_PROT
- Change API uc_hook_add() so event type @type can be combined from hooking types
 2015-09-24 14:18:02 +08:00
Sean Heelan dfb4a9d9ad Revert "Remove uc_cb_eventmem_t as it is identical to uc_cb_hookmem_t" 
As pointed out by aquynh the return types are actually different. A
uc_cb_eventmem_t callback returns a bool, while uc_cb_hookmem_t has a
void return type.

This reverts commit cb2b97f26c.
 2015-09-23 12:51:47 +07:00
Sean Heelan cb2b97f26c Remove uc_cb_eventmem_t as it is identical to uc_cb_hookmem_t, as per 
issue #111
 2015-09-22 12:37:05 +07:00
Nguyen Anh Quynh 26ee533303 return NULL in memory_mapping() if no memory is mapped. this fixes test_bad_unmap in test_x86.c 2015-09-21 22:17:26 +08:00
Nguyen Anh Quynh 39ac1bcb4e rename UC_ERR_INVAL to UC_ERR_ARG 2015-09-09 16:54:47 +08:00
Nguyen Anh Quynh d7ef204398 rename error codes ERR_MEM_READ, ERR_MEM_WRITE, ERR_MEM_FETCH 2015-09-09 16:25:48 +08:00
Nguyen Anh Quynh d3d38d3f21 handle read/write/fetch from unaligned addresses. this adds new error codes UC_ERR_READ_UNALIGNED, UC_ERR_WRITE_UNALIGNED & UC_ERR_FETCH_UNALIGNED 2015-09-09 15:52:15 +08:00
Jonathon Reinhart f6cecf45d2 change mem read/write APIs to use void* 
Don't force the user to use uint8_t pointers, or cast their
pointers-to-other-objects to uint8_t* when calling these APIs.
 2015-09-07 12:44:03 -04:00
Nguyen Anh Quynh d1bdbd11e7 rename uchook to uc_hook, ucengine to uc_engine, uc_hook_t to uc_hook_type 2015-09-05 11:20:32 +08:00
Nguyen Anh Quynh d506b900eb cache the last entry of mapped blocks in memory_mapping() for better performance 2015-09-04 15:40:47 +08:00
Nguyen Anh Quynh 022f8d82d1 handle memory fetch as invalid memory access. now we can also report error if exec memory is unmapped (UC_ERR_MEM_FETCH) 2015-09-04 11:55:17 +08:00
Jonathon Reinhart 5f32e2c1ae s/uc_hook_h/uchook/g 2015-09-03 22:39:23 -04:00
Jonathon Reinhart da46071c7d bring new code and samples up-to-date with API changes 2015-09-03 22:15:49 -04:00
Jonathon Reinhart 5e9d07a40a Merge remote-tracking branch 'upstream/master' into change-handle-based-api 2015-09-03 22:01:52 -04:00
Nguyen Anh Quynh e54519c09f cleanup 2015-09-04 09:20:13 +08:00
Chris Eagle 2da46caef7 smooth out split_region related code 2015-09-03 12:26:36 -07:00
Nguyen Anh Quynh 6ca85a72ed simplify uc_mem_protect() & uc_mem_unmap() 2015-09-04 01:02:38 +08:00
Nguyen Anh Quynh 9f9d57e84f cleaning & indentation 2015-09-03 18:16:49 +08:00
Nguyen Anh Quynh b8d4240240 solve merging conflict 2015-09-03 18:05:21 +08:00
Jonathon Reinhart 5b62d436a9 change public APIs to use ucengine 
See #52.
 2015-09-02 22:00:09 -04:00
Jonathon Reinhart bd0a6921cc Merge remote-tracking branch 'upstream/master' into change-handle-based-api 2015-09-02 21:04:43 -04:00
Nguyen Anh Quynh 03683a7960 fix an warning caused by _hook_mem_access() 2015-09-03 01:18:41 +08:00
Nguyen Anh Quynh be659d201d fix confusion betweet UC_MEM_xxx & UC_HOOK_MEM_xxx. fix issue #93 2015-09-03 01:13:57 +08:00
Nguyen Anh Quynh 8b39ec5b0c initial support to remove a static variable in qemu-thread-win32.c 2015-09-02 16:13:12 +08:00