C++ (Cpp) CodeRange::funcProfilingEntry примеры использования

Пример #1

Файл: WasmFrameIterator.cpp Проект: MichaelKohler/gecko-dev

void
wasm::ToggleProfiling(const Code& code, const CodeRange& codeRange, bool enabled)
{
    if (!codeRange.isFunction())
        return;

    uint8_t* codeBase = code.segment().base();
    uint8_t* profilingEntry     = codeBase + codeRange.funcProfilingEntry();
    uint8_t* tableProfilingJump = codeBase + codeRange.funcTableProfilingJump();
    uint8_t* profilingJump      = codeBase + codeRange.funcProfilingJump();
    uint8_t* profilingEpilogue  = codeBase + codeRange.funcProfilingEpilogue();

    if (enabled) {
        MacroAssembler::patchNopToNearJump(tableProfilingJump, profilingEntry);
        MacroAssembler::patchNopToNearJump(profilingJump, profilingEpilogue);
    } else {
        MacroAssembler::patchNearJumpToNop(tableProfilingJump);
        MacroAssembler::patchNearJumpToNop(profilingJump);
    }
}