third_party/mach_override/README.chromium - Issue 10834127: Update third_party/mach_override to include the fix for building Chromium on 64 bits

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Issue 10834127: Update third_party/mach_override to include the fix for building Chromium on 64 bits (Closed) Base URL: https://src.chromium.org/chrome/trunk/src/

Patch Set: Local Modifications: None in README.chromium. 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: 08/19/2011	5 Date: 08/01/2012

6 Revision: 87f491f8acef924d2ba90dd55fc23ad64f9d5bbd	6 Revision: 6c4965586d28b931d19b428832fe5de968fd7d82

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

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:	20 Local Modifications: None

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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