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llvm-project/llvm/lib/Support/Unix
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Nemanja Ivanovic 009d08f313 [PowerPC] Set PROT_READ flag for MF_EXEC to prevent segfaults on PPC machines 
The big endian PPC buildbots are all failing now due to calls to cache
invalidation in unit tests on data that has only the PROT_EXEC flag set.
This has been an issue all along on FreeBSD but it can affect Linux machines
depending on configuration.

This patch mitigates the issue the same way it is mitigated on FreeBSD.

Since this is needed to bring the buildbots back to green, I plan to commit this
and allow for post-commit review, but I thought I would also post it here for
ease of access/readability.

Differential revision: https://reviews.llvm.org/D62741

llvm-svn: 362412
 		2019-06-03 16:20:59 +00:00
..
COM.inc Update the file headers across all of the LLVM projects in the monorepo 2019-01-19 08:50:56 +00:00
DynamicLibrary.inc Update the file headers across all of the LLVM projects in the monorepo 2019-01-19 08:50:56 +00:00
Host.inc Use AIX version detection at LLVM run-time 2019-03-13 00:12:43 +00:00
Memory.inc [PowerPC] Set PROT_READ flag for MF_EXEC to prevent segfaults on PPC machines 2019-06-03 16:20:59 +00:00
Mutex.inc Update the file headers across all of the LLVM projects in the monorepo 2019-01-19 08:50:56 +00:00
Path.inc Fixes for builds that require strict X/Open and POSIX compatiblity 2019-05-16 14:02:13 +00:00
Process.inc Fixes for builds that require strict X/Open and POSIX compatiblity 2019-05-16 14:02:13 +00:00
Program.inc posix_spawn should retry upon EINTR 2019-04-24 23:24:53 +00:00
README.txt
…
RWMutex.inc Update the file headers across all of the LLVM projects in the monorepo 2019-01-19 08:50:56 +00:00
Signals.inc Update the file headers across all of the LLVM projects in the monorepo 2019-01-19 08:50:56 +00:00
ThreadLocal.inc Update the file headers across all of the LLVM projects in the monorepo 2019-01-19 08:50:56 +00:00
Threading.inc [llvm][Support] Provide interface to set thread priorities 2019-04-16 14:32:43 +00:00
Unix.h Update the file headers across all of the LLVM projects in the monorepo 2019-01-19 08:50:56 +00:00
Watchdog.inc Update the file headers across all of the LLVM projects in the monorepo 2019-01-19 08:50:56 +00:00

README.txt 

llvm/lib/Support/Unix README
===========================

This directory provides implementations of the lib/System classes that
are common to two or more variants of UNIX. For example, the directory
structure underneath this directory could look like this:

Unix           - only code that is truly generic to all UNIX platforms
  Posix        - code that is specific to Posix variants of UNIX
  SUS          - code that is specific to the Single Unix Specification
  SysV         - code that is specific to System V variants of UNIX

As a rule, only those directories actually needing to be created should be
created. Also, further subdirectories could be created to reflect versions of
the various standards. For example, under SUS there could be v1, v2, and v3
subdirectories to reflect the three major versions of SUS.