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144 commits

Author SHA1 Message Date
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
Chris Eagle ad877e6af0 Add error value UC_ERR_INVAL and rename UC_ERR_OOM to UC_ERR_NOMEM to provide more error specificity 2015-09-01 13:40:19 -07:00
Chris Eagle 2c4f3769d4 clean up mem_protect related constants and error codes 2015-09-01 12:10:09 -07:00
Chris Eagle 658e399776 clean up mem_protect related constants 2015-08-31 19:08:48 -07:00
Chris Eagle b27e987932 Add target_page_size member to uc_struct to track TARGET_PAGE_SIZE 2015-08-31 01:00:44 -07:00
Chris Eagle 410e317e92 dont use explicit page size, use TARGET_PAGE_SIZE 2015-08-30 21:24:14 -07:00
Chris Eagle 394461b941 section splitting complete for uc_mem_protect 2015-08-30 14:01:07 -07:00
Chris Eagle 0a60fa4c8a fix perms 2015-08-30 00:22:49 -07:00
Chris Eagle 942de0f2ae implemented basic block splitting, uc_mem_unmap should work for sub=blocks or across contiguous blocks 2015-08-30 00:22:18 -07:00
Jonathon Reinhart 3bd705a060 Merge remote-tracking branch 'upstream/master' into change-handle-based-api 2015-08-30 00:23:51 -04:00
Chris Eagle 4a680b9277 Merge branch 'master' into mem_map_ex_cse 2015-08-29 21:22:33 -07:00
Chris Eagle 6beb1b8a13 intermediate commit, working unmap of complete blocks, still need sub-blocks, and cross block 2015-08-29 21:17:30 -07:00
Nguyen Anh Quynh b4d7347fa8 wait for the timer thread to finish at the end of uc_emu_start(). this may fix the issue #78 2015-08-30 05:12:04 +08:00
Chris Eagle 592cbc6eaf conflict resolution with merge master 2015-08-28 23:51:56 -07:00
Chris Eagle 8e2848c9d5 Merge branch 'master' into api_update 2015-08-28 20:05:53 -07:00
Chris Eagle 94ac0f02e6 file permissions changes 2015-08-28 20:03:36 -07:00
Chris Eagle 65787d415a rename uc_mem_map_ex to uc_mem_map and all associated changes 2015-08-28 20:02:21 -07:00
Nguyen Anh Quynh 810054ca6d uc_mem_read() & uc_mem_write() now can work on adjacent memory areas. this fixes issue #38 2015-08-29 10:23:53 +08:00
Chris Eagle eab6167241 Merge branch 'master' into mem_map_ex_cse 2015-08-28 19:00:39 -07:00
Chris Eagle 9ba59e4988 Step one towards uc_mem_protect, uc_mem_unmap, and support for UC_PROT_EXEC and NX regions 2015-08-28 18:59:45 -07:00
Nguyen Anh Quynh c0c24db4c6 chmod -x uc.c 2015-08-29 09:27:24 +08:00
Nguyen Anh Quynh 0db7d9ea4e reset emulation_done in uc_emu_start() 2015-08-29 09:22:53 +08:00
Nguyen Anh Quynh ab27c6aa04 return immediately if emulation is already done. this fixes issue #65 2015-08-29 09:10:18 +08:00
Chris Eagle 3452b47f7c Add code to handle non-readable memory 2015-08-28 03:42:25 -07:00
Chris Eagle aa509cc00f delete redundant function 2015-08-28 02:20:56 -07:00
Chris Eagle adc254cc74 Roll back uc_mem_protect changes 2015-08-28 01:37:49 -07:00
Chris Eagle b31bb9638c cleanup for pull request 2015-08-28 00:00:09 -07:00
Chris Eagle 9530b2daff 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 2015-08-27 23:19:32 -07:00
Chris Eagle 686acb7e6e Detect all occurences of write to read only page. Add callback capability on write to read only. Add new error type UC_ERR_MEM_WRITE_RO and new access type UC_MEM_WRITE_RO for use in callback 2015-08-27 18:03:17 -07:00
Chris Eagle 00944b6cde Add ability to mark memory are read only. Add new API uc_mem_map_ex to allow permissions to be passed. Change MemoryBlock to track created MemoryRegions. Add regress/ro_mem_test.c 2015-08-26 13:29:54 -07:00
Nguyen Anh Quynh b6dd516977 fix a bug on releasing mapped_blocks in uc_close() 2015-08-26 23:41:30 +08:00
Chris Eagle 5d8d251085 Free uc->mapped_blocks in uc_close 2015-08-26 08:23:36 -07:00
Jonathon Reinhart 20bdbf638d change uc_hook_del() to take hook handle by value 2015-08-26 09:02:17 -04:00
Jonathon Reinhart ad59de2b51 remove UC_ERR_UCH 
not used anymore
 2015-08-26 09:02:16 -04:00
Jonathon Reinhart 24caaa07de change uch to uc_hook_h for hook handles 2015-08-26 09:02:16 -04:00
Jonathon Reinhart 5f89f9884e change uch to uc_struct (uc.c) 2015-08-26 08:20:52 -04:00
Chris Eagle 9023e77201 Fixed bug introduced in uc_mem_map 2015-08-26 00:26:42 -07:00
Chris Eagle e11c0629f9 Change allocation strategy for memory block tracking and track begin/end rather than begin/size 2015-08-25 23:08:18 -07:00
Chris Eagle 03e8b28d71 First cut at cleaning up uc_mem_map, eliminate map_begin and map_end, move tracking inside uc struct 2015-08-25 21:52:18 -07:00
Nguyen Anh Quynh 70cdbf8c69 uc_mem_map(): enforce address & size to be aligned to 4KB. this fixes bunch of regress tests in regress/ 2015-08-26 11:29:14 +08:00
Nguyen Anh Quynh c3e95ec34e x86: do not generate basic-block callback when translation is broken in the middle due to full cache 2015-08-25 14:50:55 +08:00
Jonathon Reinhart 9163bba812 restore mode of .[ch] files 
These were marked as executable in 5c3b6819, likely due to a Windows
filesystem being involved. This can be avoided:
http://stackoverflow.com/q/1580596/119527
 2015-08-24 21:19:12 -04:00
Chris Eagle 5c3b681945 Add const to uc_reg_write and derivitives 2015-08-24 09:42:50 -07:00
Chris Eagle f221195bf6 Merge remote-tracking branch 'upstream/master' 2015-08-24 09:15:23 -07:00
Nguyen Anh Quynh 9d9c0d1a25 uc_emu_start() report error on illegal instruction at the output 2015-08-25 00:02:31 +08:00
pancake c5d99777f4 Use const in uc_mem_write and derivates 2015-08-24 17:02:14 +02:00
Chris Eagle 2998c125de Merge remote-tracking branch 'upstream/master' 2015-08-24 00:50:59 -07:00
Chris Eagle 73bc268036 Fix 8k alignment mask computation 2015-08-24 00:41:56 -07:00
mothran 2516de7ed8 renamed m68k enum constants 2015-08-23 21:56:24 -07:00
mothran 995924176a Merge branch 'const_rename' 2015-08-23 21:42:02 -07:00
mothran a167f7c456 renames the register constants so unicorn and capstone can compile together 2015-08-23 21:36:33 -07:00
Nguyen Anh Quynh bb34eebd24 verify hardware mode for ARM. this fixes issue #16 2015-08-24 09:50:55 +08:00
Nguyen Anh Quynh cd072b4e20 Merge pull request #22 from JonathonReinhart/supported-arch-api 
clean-up uc_support() API
 2015-08-24 09:32:22 +08:00
Jonathon Reinhart 11cc9ec9ba clean-up uc_support() API 
- rename to more obviously-named uc_arch_supported()
- remove UC_ARCH_ALL and associated test -- There's no point in having this
  API, and it was improperly implemented anyway.
- remove now unneeded archs_enable() and all_arch
- add UNICORN_HAS_PPC test -- This seems to be only partially implemented
 2015-08-23 21:10:47 -04:00
Ryan Hileman 76d8541717 add check for mem_map(size=0) (#14) 2015-08-23 14:16:40 -07:00
Nguyen Anh Quynh 761fd3d13b fix issue #1 2015-08-24 01:07:03 +08:00
Nguyen Anh Quynh f9b9dfbce9 fix issue #9 2015-08-24 00:52:00 +08:00
Nguyen Anh Quynh 4701fb80b4 code style: convert tabs to spaces 2015-08-23 09:06:31 +08:00
Nguyen Anh Quynh e1baf2f36b x86: support hooking SYSCALL/SYSENTER instructions. we no longer share the SYSCALL callback with interrupt instructions 2015-08-23 01:19:40 +08:00
Nguyen Anh Quynh 344d016104 import 2015-08-21 15:04:50 +08:00