After the stack is unwound due to a thrown exception, the __stack_pointer global can point to an invalid address. More...
#include "MCTargetDesc/WebAssemblyMCTargetDesc.h"#include "WebAssembly.h"#include "WebAssemblySubtarget.h"#include "WebAssemblyUtilities.h"#include "llvm/CodeGen/MachineFrameInfo.h"#include "llvm/MC/MCAsmInfo.h"
Include dependency graph for WebAssemblyEHRestoreStackPointer.cpp:
Go to the source code of this file.
Macros | |
| #define | DEBUG_TYPE "wasm-eh-restore-stack-pointer" |
Functions | |
| INITIALIZE_PASS (WebAssemblyEHRestoreStackPointer, DEBUG_TYPE, "Restore Stack Pointer for Exception Handling", true, false) FunctionPass *llvm | |
Detailed Description
After the stack is unwound due to a thrown exception, the __stack_pointer global can point to an invalid address.
This inserts instructions that restore __stack_pointer global.
Definition in file WebAssemblyEHRestoreStackPointer.cpp.
Macro Definition Documentation
◆ DEBUG_TYPE
| #define DEBUG_TYPE "wasm-eh-restore-stack-pointer" |
Definition at line 25 of file WebAssemblyEHRestoreStackPointer.cpp.
Function Documentation
◆ INITIALIZE_PASS()
| INITIALIZE_PASS | ( | WebAssemblyEHRestoreStackPointer | , |
| DEBUG_TYPE | , | ||
| "Restore Stack Pointer for Exception Handling" | , | ||
| true | , | ||
| false | |||
| ) |
Definition at line 47 of file WebAssemblyEHRestoreStackPointer.cpp.
References llvm::dbgs(), llvm::TargetSubtargetInfo::getFrameLowering(), llvm::MachineFunction::getName(), llvm::MachineFunction::getSubtarget(), llvm::WebAssembly::isCatch(), and LLVM_DEBUG.
