+++ /dev/null
-# This file is generated by gyp; do not edit.
-
-TOOLSET := target
-TARGET := uv
-DEFS_Debug := '-DWIN32' \
- '-D_CRT_SECURE_NO_DEPRECATE' \
- '-D_CRT_NONSTDC_NO_DEPRECATE' \
- '-DHAVE_CONFIG_H' \
- '-D_WIN32_WINNT=0x0600' \
- '-DEIO_STACKSIZE=262144' \
- '-D_GNU_SOURCE' \
- '-DDEBUG' \
- '-D_DEBUG'
-
-# Flags passed to all source files.
-CFLAGS_Debug := -g \
- -O0
-
-# Flags passed to only C files.
-CFLAGS_C_Debug :=
-
-# Flags passed to only C++ files.
-CFLAGS_CC_Debug :=
-
-INCS_Debug := -I$(srcdir)\src\libuv\include \
- -I$(srcdir)\src\libuv\include\uv-private \
- -I$(srcdir)\src\libuv\src \
- -I$(srcdir)\src\libuv\src\ares\config_win32
-
-DEFS_Release := '-DWIN32' \
- '-D_CRT_SECURE_NO_DEPRECATE' \
- '-D_CRT_NONSTDC_NO_DEPRECATE' \
- '-DHAVE_CONFIG_H' \
- '-D_WIN32_WINNT=0x0600' \
- '-DEIO_STACKSIZE=262144' \
- '-D_GNU_SOURCE' \
- '-DNDEBUG'
-
-# Flags passed to all source files.
-CFLAGS_Release := -O3 \
- -fomit-frame-pointer \
- -fdata-sections \
- -ffunction-sections
-
-# Flags passed to only C files.
-CFLAGS_C_Release :=
-
-# Flags passed to only C++ files.
-CFLAGS_CC_Release :=
-
-INCS_Release := -I$(srcdir)\src\libuv\include \
- -I$(srcdir)\src\libuv\include\uv-private \
- -I$(srcdir)\src\libuv\src \
- -I$(srcdir)\src\libuv\src\ares\config_win32
-
-OBJS := $(obj).target\$(TARGET)\src\libuv\src\uv-common.o \
- $(obj).target\$(TARGET)\src\libuv\src\ares\ares_cancel.o \
- $(obj).target\$(TARGET)\src\libuv\src\ares\ares__close_sockets.o \
- $(obj).target\$(TARGET)\src\libuv\src\ares\ares_data.o \
- $(obj).target\$(TARGET)\src\libuv\src\ares\ares_destroy.o \
- $(obj).target\$(TARGET)\src\libuv\src\ares\ares_expand_name.o \
- $(obj).target\$(TARGET)\src\libuv\src\ares\ares_expand_string.o \
- $(obj).target\$(TARGET)\src\libuv\src\ares\ares_fds.o \
- $(obj).target\$(TARGET)\src\libuv\src\ares\ares_free_hostent.o \
- $(obj).target\$(TARGET)\src\libuv\src\ares\ares_free_string.o \
- $(obj).target\$(TARGET)\src\libuv\src\ares\ares_gethostbyaddr.o \
- $(obj).target\$(TARGET)\src\libuv\src\ares\ares_gethostbyname.o \
- $(obj).target\$(TARGET)\src\libuv\src\ares\ares__get_hostent.o \
- $(obj).target\$(TARGET)\src\libuv\src\ares\ares_getnameinfo.o \
- $(obj).target\$(TARGET)\src\libuv\src\ares\ares_getopt.o \
- $(obj).target\$(TARGET)\src\libuv\src\ares\ares_getsock.o \
- $(obj).target\$(TARGET)\src\libuv\src\ares\ares_init.o \
- $(obj).target\$(TARGET)\src\libuv\src\ares\ares_library_init.o \
- $(obj).target\$(TARGET)\src\libuv\src\ares\ares_llist.o \
- $(obj).target\$(TARGET)\src\libuv\src\ares\ares_mkquery.o \
- $(obj).target\$(TARGET)\src\libuv\src\ares\ares_nowarn.o \
- $(obj).target\$(TARGET)\src\libuv\src\ares\ares_options.o \
- $(obj).target\$(TARGET)\src\libuv\src\ares\ares_parse_aaaa_reply.o \
- $(obj).target\$(TARGET)\src\libuv\src\ares\ares_parse_a_reply.o \
- $(obj).target\$(TARGET)\src\libuv\src\ares\ares_parse_mx_reply.o \
- $(obj).target\$(TARGET)\src\libuv\src\ares\ares_parse_ns_reply.o \
- $(obj).target\$(TARGET)\src\libuv\src\ares\ares_parse_ptr_reply.o \
- $(obj).target\$(TARGET)\src\libuv\src\ares\ares_parse_srv_reply.o \
- $(obj).target\$(TARGET)\src\libuv\src\ares\ares_parse_txt_reply.o \
- $(obj).target\$(TARGET)\src\libuv\src\ares\ares_process.o \
- $(obj).target\$(TARGET)\src\libuv\src\ares\ares_query.o \
- $(obj).target\$(TARGET)\src\libuv\src\ares\ares__read_line.o \
- $(obj).target\$(TARGET)\src\libuv\src\ares\ares_search.o \
- $(obj).target\$(TARGET)\src\libuv\src\ares\ares_send.o \
- $(obj).target\$(TARGET)\src\libuv\src\ares\ares_strcasecmp.o \
- $(obj).target\$(TARGET)\src\libuv\src\ares\ares_strdup.o \
- $(obj).target\$(TARGET)\src\libuv\src\ares\ares_strerror.o \
- $(obj).target\$(TARGET)\src\libuv\src\ares\ares_timeout.o \
- $(obj).target\$(TARGET)\src\libuv\src\ares\ares__timeval.o \
- $(obj).target\$(TARGET)\src\libuv\src\ares\ares_version.o \
- $(obj).target\$(TARGET)\src\libuv\src\ares\ares_writev.o \
- $(obj).target\$(TARGET)\src\libuv\src\ares\bitncmp.o \
- $(obj).target\$(TARGET)\src\libuv\src\ares\inet_net_pton.o \
- $(obj).target\$(TARGET)\src\libuv\src\ares\inet_ntop.o \
- $(obj).target\$(TARGET)\src\libuv\src\ares\windows_port.o \
- $(obj).target\$(TARGET)\src\libuv\src\ares\ares_getenv.o \
- $(obj).target\$(TARGET)\src\libuv\src\ares\ares_platform.o \
- $(obj).target\$(TARGET)\src\libuv\src\win\async.o \
- $(obj).target\$(TARGET)\src\libuv\src\win\cares.o \
- $(obj).target\$(TARGET)\src\libuv\src\win\core.o \
- $(obj).target\$(TARGET)\src\libuv\src\win\dl.o \
- $(obj).target\$(TARGET)\src\libuv\src\win\error.o \
- $(obj).target\$(TARGET)\src\libuv\src\win\fs.o \
- $(obj).target\$(TARGET)\src\libuv\src\win\fs-event.o \
- $(obj).target\$(TARGET)\src\libuv\src\win\getaddrinfo.o \
- $(obj).target\$(TARGET)\src\libuv\src\win\handle.o \
- $(obj).target\$(TARGET)\src\libuv\src\win\loop-watcher.o \
- $(obj).target\$(TARGET)\src\libuv\src\win\pipe.o \
- $(obj).target\$(TARGET)\src\libuv\src\win\thread.o \
- $(obj).target\$(TARGET)\src\libuv\src\win\process.o \
- $(obj).target\$(TARGET)\src\libuv\src\win\req.o \
- $(obj).target\$(TARGET)\src\libuv\src\win\stream.o \
- $(obj).target\$(TARGET)\src\libuv\src\win\tcp.o \
- $(obj).target\$(TARGET)\src\libuv\src\win\tty.o \
- $(obj).target\$(TARGET)\src\libuv\src\win\threadpool.o \
- $(obj).target\$(TARGET)\src\libuv\src\win\timer.o \
- $(obj).target\$(TARGET)\src\libuv\src\win\udp.o \
- $(obj).target\$(TARGET)\src\libuv\src\win\util.o \
- $(obj).target\$(TARGET)\src\libuv\src\win\winapi.o \
- $(obj).target\$(TARGET)\src\libuv\src\win\winsock.o
-
-# Add to the list of files we specially track dependencies for.
-all_deps += $(OBJS)
-
-# CFLAGS et al overrides must be target-local.
-# See "Target-specific Variable Values" in the GNU Make manual.
-$(OBJS): TOOLSET := $(TOOLSET)
-$(OBJS): GYP_CFLAGS := $(DEFS_$(BUILDTYPE)) $(INCS_$(BUILDTYPE)) $(CFLAGS_$(BUILDTYPE)) $(CFLAGS_C_$(BUILDTYPE))
-$(OBJS): GYP_CXXFLAGS := $(DEFS_$(BUILDTYPE)) $(INCS_$(BUILDTYPE)) $(CFLAGS_$(BUILDTYPE)) $(CFLAGS_CC_$(BUILDTYPE))
-
-# Suffix rules, putting all outputs into $(obj).
-
-$(obj).$(TOOLSET)\$(TARGET)\%.o: $(srcdir)\%.c FORCE_DO_CMD
- @$(call do_cmd,cc,1)
-
-# Try building from generated source, too.
-
-$(obj).$(TOOLSET)\$(TARGET)\%.o: $(obj).$(TOOLSET)\%.c FORCE_DO_CMD
- @$(call do_cmd,cc,1)
-
-$(obj).$(TOOLSET)\$(TARGET)\%.o: $(obj)\%.c FORCE_DO_CMD
- @$(call do_cmd,cc,1)
-
-# End of this set of suffix rules
-### Rules for final target.
-LDFLAGS_Debug :=
-
-LDFLAGS_Release :=
-
-LIBS :=
-
-$(obj).target\src\libuv\libuv.a: GYP_LDFLAGS := $(LDFLAGS_$(BUILDTYPE))
-$(obj).target\src\libuv\libuv.a: LIBS := $(LIBS)
-$(obj).target\src\libuv\libuv.a: TOOLSET := $(TOOLSET)
-$(obj).target\src\libuv\libuv.a: $(OBJS) FORCE_DO_CMD
- $(call do_cmd,alink)
-
-all_deps += $(obj).target\src\libuv\libuv.a
-# Add target alias
-.PHONY: uv
-uv: $(obj).target\src\libuv\libuv.a
-
#include "llvm/Support/Host.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/DynamicLibrary.h"
+#include "llvm/Support/Memory.h"
#include "llvm/ExecutionEngine/ExecutionEngine.h"
#include "llvm/ExecutionEngine/JIT.h"
+#include "llvm/ExecutionEngine/JITMemoryManager.h"
+#include "llvm/ExecutionEngine/MCJIT.h"
#include "llvm/ExecutionEngine/Interpreter.h"
#include "llvm/ExecutionEngine/GenericValue.h"
#include "llvm-c/Core.h"
#include "llvm-c/Object.h"
#include <cstdlib>
+// Used by RustMCJITMemoryManager::getPointerToNamedFunction()
+// to get around glibc issues. See the function for more information.
+#ifdef __linux__
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <unistd.h>
+#endif
+
using namespace llvm;
static const char *LLVMRustError;
LLVMInitializeX86AsmParser();
extern "C" bool
-LLVMRustJIT(LLVMPassManagerRef PMR,
+LLVMRustLoadLibrary(const char* file) {
+ std::string err;
+
+ if(llvm::sys::DynamicLibrary::LoadLibraryPermanently(file, &err)) {
+ LLVMRustError = err.c_str();
+ return false;
+ }
+
+ return true;
+}
+
+ExecutionEngine* EE;
+
+// Custom memory manager for MCJITting. It needs special features
+// that the generic JIT memory manager doesn't entail. Based on
+// code from LLI, change where needed for Rust.
+class RustMCJITMemoryManager : public JITMemoryManager {
+public:
+ SmallVector<sys::MemoryBlock, 16> AllocatedDataMem;
+ SmallVector<sys::MemoryBlock, 16> AllocatedCodeMem;
+ SmallVector<sys::MemoryBlock, 16> FreeCodeMem;
+
+ RustMCJITMemoryManager() { }
+ ~RustMCJITMemoryManager();
+
+ virtual uint8_t *allocateCodeSection(uintptr_t Size, unsigned Alignment,
+ unsigned SectionID);
+
+ virtual uint8_t *allocateDataSection(uintptr_t Size, unsigned Alignment,
+ unsigned SectionID);
+
+ virtual void *getPointerToNamedFunction(const std::string &Name,
+ bool AbortOnFailure = true);
+
+ // Invalidate instruction cache for code sections. Some platforms with
+ // separate data cache and instruction cache require explicit cache flush,
+ // otherwise JIT code manipulations (like resolved relocations) will get to
+ // the data cache but not to the instruction cache.
+ virtual void invalidateInstructionCache();
+
+ // The MCJITMemoryManager doesn't use the following functions, so we don't
+ // need implement them.
+ virtual void setMemoryWritable() {
+ llvm_unreachable("Unimplemented call");
+ }
+ virtual void setMemoryExecutable() {
+ llvm_unreachable("Unimplemented call");
+ }
+ virtual void setPoisonMemory(bool poison) {
+ llvm_unreachable("Unimplemented call");
+ }
+ virtual void AllocateGOT() {
+ llvm_unreachable("Unimplemented call");
+ }
+ virtual uint8_t *getGOTBase() const {
+ llvm_unreachable("Unimplemented call");
+ return 0;
+ }
+ virtual uint8_t *startFunctionBody(const Function *F,
+ uintptr_t &ActualSize){
+ llvm_unreachable("Unimplemented call");
+ return 0;
+ }
+ virtual uint8_t *allocateStub(const GlobalValue* F, unsigned StubSize,
+ unsigned Alignment) {
+ llvm_unreachable("Unimplemented call");
+ return 0;
+ }
+ virtual void endFunctionBody(const Function *F, uint8_t *FunctionStart,
+ uint8_t *FunctionEnd) {
+ llvm_unreachable("Unimplemented call");
+ }
+ virtual uint8_t *allocateSpace(intptr_t Size, unsigned Alignment) {
+ llvm_unreachable("Unimplemented call");
+ return 0;
+ }
+ virtual uint8_t *allocateGlobal(uintptr_t Size, unsigned Alignment) {
+ llvm_unreachable("Unimplemented call");
+ return 0;
+ }
+ virtual void deallocateFunctionBody(void *Body) {
+ llvm_unreachable("Unimplemented call");
+ }
+ virtual uint8_t* startExceptionTable(const Function* F,
+ uintptr_t &ActualSize) {
+ llvm_unreachable("Unimplemented call");
+ return 0;
+ }
+ virtual void endExceptionTable(const Function *F, uint8_t *TableStart,
+ uint8_t *TableEnd, uint8_t* FrameRegister) {
+ llvm_unreachable("Unimplemented call");
+ }
+ virtual void deallocateExceptionTable(void *ET) {
+ llvm_unreachable("Unimplemented call");
+ }
+};
+
+uint8_t *RustMCJITMemoryManager::allocateDataSection(uintptr_t Size,
+ unsigned Alignment,
+ unsigned SectionID) {
+ if (!Alignment)
+ Alignment = 16;
+ uint8_t *Addr = (uint8_t*)calloc((Size + Alignment - 1)/Alignment, Alignment);
+ AllocatedDataMem.push_back(sys::MemoryBlock(Addr, Size));
+ return Addr;
+}
+
+uint8_t *RustMCJITMemoryManager::allocateCodeSection(uintptr_t Size,
+ unsigned Alignment,
+ unsigned SectionID) {
+ if (!Alignment)
+ Alignment = 16;
+ unsigned NeedAllocate = Alignment * ((Size + Alignment - 1)/Alignment + 1);
+ uintptr_t Addr = 0;
+ // Look in the list of free code memory regions and use a block there if one
+ // is available.
+ for (int i = 0, e = FreeCodeMem.size(); i != e; ++i) {
+ sys::MemoryBlock &MB = FreeCodeMem[i];
+ if (MB.size() >= NeedAllocate) {
+ Addr = (uintptr_t)MB.base();
+ uintptr_t EndOfBlock = Addr + MB.size();
+ // Align the address.
+ Addr = (Addr + Alignment - 1) & ~(uintptr_t)(Alignment - 1);
+ // Store cutted free memory block.
+ FreeCodeMem[i] = sys::MemoryBlock((void*)(Addr + Size),
+ EndOfBlock - Addr - Size);
+ return (uint8_t*)Addr;
+ }
+ }
+
+ // No pre-allocated free block was large enough. Allocate a new memory region.
+ sys::MemoryBlock MB = sys::Memory::AllocateRWX(NeedAllocate, 0, 0);
+
+ AllocatedCodeMem.push_back(MB);
+ Addr = (uintptr_t)MB.base();
+ uintptr_t EndOfBlock = Addr + MB.size();
+ // Align the address.
+ Addr = (Addr + Alignment - 1) & ~(uintptr_t)(Alignment - 1);
+ // The AllocateRWX may allocate much more memory than we need. In this case,
+ // we store the unused memory as a free memory block.
+ unsigned FreeSize = EndOfBlock-Addr-Size;
+ if (FreeSize > 16)
+ FreeCodeMem.push_back(sys::MemoryBlock((void*)(Addr + Size), FreeSize));
+
+ // Return aligned address
+ return (uint8_t*)Addr;
+}
+
+void RustMCJITMemoryManager::invalidateInstructionCache() {
+ for (int i = 0, e = AllocatedCodeMem.size(); i != e; ++i)
+ sys::Memory::InvalidateInstructionCache(AllocatedCodeMem[i].base(),
+ AllocatedCodeMem[i].size());
+}
+
+void *RustMCJITMemoryManager::getPointerToNamedFunction(const std::string &Name,
+ bool AbortOnFailure) {
+#ifdef __linux__
+ // Force the following functions to be linked in to anything that uses the
+ // JIT. This is a hack designed to work around the all-too-clever Glibc
+ // strategy of making these functions work differently when inlined vs. when
+ // not inlined, and hiding their real definitions in a separate archive file
+ // that the dynamic linker can't see. For more info, search for
+ // 'libc_nonshared.a' on Google, or read http://llvm.org/PR274.
+ if (Name == "stat") return (void*)(intptr_t)&stat;
+ if (Name == "fstat") return (void*)(intptr_t)&fstat;
+ if (Name == "lstat") return (void*)(intptr_t)&lstat;
+ if (Name == "stat64") return (void*)(intptr_t)&stat64;
+ if (Name == "fstat64") return (void*)(intptr_t)&fstat64;
+ if (Name == "lstat64") return (void*)(intptr_t)&lstat64;
+ if (Name == "atexit") return (void*)(intptr_t)&atexit;
+ if (Name == "mknod") return (void*)(intptr_t)&mknod;
+#endif
+
+ const char *NameStr = Name.c_str();
+ void *Ptr = sys::DynamicLibrary::SearchForAddressOfSymbol(NameStr);
+ if (Ptr) return Ptr;
+
+ // If it wasn't found and if it starts with an underscore ('_') character,
+ // try again without the underscore.
+ if (NameStr[0] == '_') {
+ Ptr = sys::DynamicLibrary::SearchForAddressOfSymbol(NameStr+1);
+ if (Ptr) return Ptr;
+ }
+
+ if (AbortOnFailure)
+ report_fatal_error("Program used external function '" + Name +
+ "' which could not be resolved!");
+ return 0;
+}
+
+RustMCJITMemoryManager::~RustMCJITMemoryManager() {
+ for (unsigned i = 0, e = AllocatedCodeMem.size(); i != e; ++i)
+ sys::Memory::ReleaseRWX(AllocatedCodeMem[i]);
+ for (unsigned i = 0, e = AllocatedDataMem.size(); i != e; ++i)
+ free(AllocatedDataMem[i].base());
+}
+
+// Separated functions because loading libraries before creating
+// an execution engine seems to break stuff.
+
+extern "C" bool
+LLVMRustPrepareJIT(LLVMPassManagerRef PMR,
LLVMModuleRef M,
CodeGenOpt::Level OptLevel,
bool EnableSegmentedStacks) {
std::string Err;
TargetOptions Options;
- Options.NoFramePointerElim = true;
- Options.EnableSegmentedStacks = EnableSegmentedStacks;
+ Options.JITEmitDebugInfo = true;
+ //Options.NoFramePointerElim = true;
+ //Options.EnableSegmentedStacks = EnableSegmentedStacks;
- PassManager *PM = unwrap<PassManager>(PMR);
-
- PM->run(*unwrap(M));
+ unwrap<PassManager>(PMR)->run(*unwrap(M));
- ExecutionEngine* EE = EngineBuilder(unwrap(M))
+ RustMCJITMemoryManager* MM = new RustMCJITMemoryManager();
+ EE = EngineBuilder(unwrap(M))
.setTargetOptions(Options)
+ .setJITMemoryManager(MM)
.setOptLevel(OptLevel)
.setUseMCJIT(true)
.create();
return false;
}
+ MM->invalidateInstructionCache();
+
+ return true;
+}
+
+extern "C" bool
+LLVMRustExecuteJIT() {
+ assert(EE);
+
+ std::string Err;
Function* func = EE->FindFunctionNamed("main");
if(!func || Err != "") {
return false;
}
- std::vector<GenericValue> args;
+ //std::vector<GenericValue> args;
+ typedef int (*entry_t)(int, int);
+ entry_t entry = (entry_t) EE->getPointerToFunction(func);
- EE->runFunction(func, args);
+ assert(entry);
+ entry(0, 0);
+ //EE->runFunction(func, args);
return true;
}
projects / rust.git / commitdiff