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This code is a real mess, but at least get the JIT *building* on platforms

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(such as plan 9) without mmap.  Of course it won't RUN... but that's another
step.  :)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13839 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2004-05-27 18:03:56 +00:00
parent 91e43dadf9
commit c52663c4ed
1 changed files with 8 additions and 0 deletions
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8
lib/ExecutionEngine/JIT/JITEmitter.cpp
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@ -60,6 +60,7 @@ static void *getMemory(unsigned NumBytes) {
static const long pageSize = sysconf(_SC_PAGESIZE);
unsigned NumPages = (NumBytes+pageSize-1)/pageSize;
/* FIXME: This should use the proper autoconf flags */
#if defined(i386) || defined(__i386__) || defined(__x86__)
/* Linux and *BSD tend to have these flags named differently. */
#if defined(MAP_ANON) && !defined(MAP_ANONYMOUS)
@ -70,8 +71,10 @@ static void *getMemory(unsigned NumBytes) {
#else
std::cerr << "This architecture is not supported by the JIT!\n";
abort();
return 0;
#endif
#ifdef HAVE_MMAP
int fd = -1;
#if defined(__linux__)
fd = 0;
@ -89,6 +92,11 @@ static void *getMemory(unsigned NumBytes) {
abort();
}
return pa;
#else
std::cerr << "Do not know how to allocate mem for the JIT without mmap!\n";
abort();
return 0;
#endif
}
JITMemoryManager::JITMemoryManager() {