[PATCH] D123908: Add LLVM_SYS_PAGE_SIZE option to support 4K/8K/16K/64K page size system

[Xiaodong Liu via Phabricator via llvm-commits]

XiaodongLoong updated this revision to Diff 423288.
XiaodongLoong added a comment.

Delete blank line


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D123908/new/

https://reviews.llvm.org/D123908

Files:
  llvm/CMakeLists.txt


Index: llvm/CMakeLists.txt
===================================================================
--- llvm/CMakeLists.txt
+++ llvm/CMakeLists.txt
@@ -557,6 +557,21 @@
   option(LLVM_BUILD_32_BITS "Build 32 bits executables and libraries." OFF)
 endif()
 
+set(LLVM_SYS_PAGE_SIZE "4K" CACHE STRING
+  "Define the system page size used to update ring buffer in HWasan.")
+if( LLVM_SYS_PAGE_SIZE STREQUAL "4K")
+  add_definitions(-DSYS_PAGE_SIZE_4K)
+endif()
+if( LLVM_SYS_PAGE_SIZE STREQUAL "8K")
+  add_definitions(-DSYS_PAGE_SIZE_8K)
+endif()
+if( LLVM_SYS_PAGE_SIZE STREQUAL "16K")
+  add_definitions(-DSYS_PAGE_SIZE_16K)
+endif()
+if( LLVM_SYS_PAGE_SIZE STREQUAL "64K")
+  add_definitions(-DSYS_PAGE_SIZE_64K)
+endif()
+
 # Define the default arguments to use with 'lit', and an option for the user to
 # override.
 set(LIT_ARGS_DEFAULT "-sv")


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