third_party/mach_override/README.chromium - Issue 10830249: Revert 150529 (very likely caused http://crbug.com/141707

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Issue 10830249: Revert 150529 (very likely caused http://crbug.com/141707 (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src/

Patch Set: Created 8 years, 4 months ago

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1 Name: mach_override	1 Name: mach_override

2 Short Name: Part of the mach_star project	2 Short Name: Part of the mach_star project

3 Version: Unknown	3 Version: Unknown

4 URL: https://github.com/rentzsch/mach_star	4 URL: https://github.com/rentzsch/mach_star

5 Date: 08/01/2012	5 Date: 08/19/2011

6 Revision: 6c4965586d28b931d19b428832fe5de968fd7d82	6 Revision: 87f491f8acef924d2ba90dd55fc23ad64f9d5bbd

7 License: MIT	7 License: MIT

8 Security Critical: Yes	8 Security Critical: Yes

9	9

10	10

11 Description:	11 Description:

12 This is the mach_override part of mach_star, namely:	12 This is the mach_override part of mach_star, namely:

13	13

14 https://github.com/rentzsch/mach_star/tree/6c4965586d28b931d19b428832fe5de968f d7d82	14 https://github.com/rentzsch/mach_star/tree/87f491f8acef924d2ba90dd55fc23ad64f9 d5bbd

15	15

16 This package is used to replace framework functions with different	16 This package is used to replace framework functions with different

17 implementations at run time.	17 implementations at run time.

18	18

19	19

20 Local Modifications: None	20 Local Modifications:

	21

	22 reentryIsland is allocated in high memory with vm_allocate rather than the

	23 heap with malloc by changing the allocation policy to kAllocateHigh. It

	24 appears probable that putting the reentry island in the heap causes its page

	25 to lose execute permission at some point under some circumstances, which

	26 results in a crash on Lion. This modification is temoprary to simply test

	27 out the theory. If proven, the code will be improved somewhat.

	28 http://crbug.com/93736.

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