From 81ce3ed08c4df0c246b378c8972062d2f49f1ce9 Mon Sep 17 00:00:00 2001 From: Reid Kleckner Date: Thu, 23 Jul 2009 00:49:59 +0000 Subject: Make the JIT code emitter properly retry and ask for more memory when it runs out of memory, and also make the default memory manager allocate more memory when it runs out. Also, switch function stubs and global data over to using the BumpPtrAllocator. This makes it so the JIT no longer mmaps (or the equivalent on Windows) 16 MB of memory, and instead allocates in 512K slabs. I suspect this size could go lower, especially on embedded platforms, now that more slabs can be allocated. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76828 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/System/Unix/Memory.inc | 7 ++++--- lib/System/Win32/Memory.inc | 7 ++++--- 2 files changed, 8 insertions(+), 6 deletions(-) (limited to 'lib/System') diff --git a/lib/System/Unix/Memory.inc b/lib/System/Unix/Memory.inc index b7a70135bc..a80f56fbc1 100644 --- a/lib/System/Unix/Memory.inc +++ b/lib/System/Unix/Memory.inc @@ -12,6 +12,7 @@ //===----------------------------------------------------------------------===// #include "Unix.h" +#include "llvm/Support/DataTypes.h" #include "llvm/System/Process.h" #ifdef HAVE_SYS_MMAN_H @@ -28,12 +29,12 @@ /// is very OS specific. /// llvm::sys::MemoryBlock -llvm::sys::Memory::AllocateRWX(unsigned NumBytes, const MemoryBlock* NearBlock, +llvm::sys::Memory::AllocateRWX(size_t NumBytes, const MemoryBlock* NearBlock, std::string *ErrMsg) { if (NumBytes == 0) return MemoryBlock(); - unsigned pageSize = Process::GetPageSize(); - unsigned NumPages = (NumBytes+pageSize-1)/pageSize; + size_t pageSize = Process::GetPageSize(); + size_t NumPages = (NumBytes+pageSize-1)/pageSize; int fd = -1; #ifdef NEED_DEV_ZERO_FOR_MMAP diff --git a/lib/System/Win32/Memory.inc b/lib/System/Win32/Memory.inc index 5e5cf7a676..7611ecdb92 100644 --- a/lib/System/Win32/Memory.inc +++ b/lib/System/Win32/Memory.inc @@ -13,6 +13,7 @@ //===----------------------------------------------------------------------===// #include "Win32.h" +#include "llvm/Support/DataTypes.h" #include "llvm/System/Process.h" namespace llvm { @@ -23,13 +24,13 @@ using namespace sys; //=== and must not be UNIX code //===----------------------------------------------------------------------===// -MemoryBlock Memory::AllocateRWX(unsigned NumBytes, +MemoryBlock Memory::AllocateRWX(size_t NumBytes, const MemoryBlock *NearBlock, std::string *ErrMsg) { if (NumBytes == 0) return MemoryBlock(); - static const long pageSize = Process::GetPageSize(); - unsigned NumPages = (NumBytes+pageSize-1)/pageSize; + static const size_t pageSize = Process::GetPageSize(); + size_t NumPages = (NumBytes+pageSize-1)/pageSize; //FIXME: support NearBlock if ever needed on Win64. -- cgit v1.2.3