MacroAssemblerARMv7.cpp [plain text]
#include "config.h"
#if ENABLE(ASSEMBLER) && CPU(ARM_THUMB2)
#include "MacroAssemblerARMv7.h"
#if USE(MASM_PROBE)
#include <wtf/StdLibExtras.h>
#endif
namespace JSC {
#if USE(MASM_PROBE)
void MacroAssemblerARMv7::ProbeContext::dumpCPURegisters(const char* indentation)
{
#define DUMP_GPREGISTER(_type, _regName) { \
int32_t value = reinterpret_cast<int32_t>(cpu._regName); \
dataLogF("%s %5s: 0x%08x %d\n", indentation, #_regName, value, value) ; \
}
FOR_EACH_CPU_GPREGISTER(DUMP_GPREGISTER)
FOR_EACH_CPU_SPECIAL_REGISTER(DUMP_GPREGISTER)
#undef DUMP_GPREGISTER
#define DUMP_FPREGISTER(_type, _regName) { \
uint32_t* u = reinterpret_cast<uint32_t*>(&cpu._regName); \
double* d = reinterpret_cast<double*>(&cpu._regName); \
dataLogF("%s %5s: 0x %08x %08x %12g\n", \
indentation, #_regName, u[1], u[0], d[0]); \
}
FOR_EACH_CPU_FPREGISTER(DUMP_FPREGISTER)
#undef DUMP_FPREGISTER
}
void MacroAssemblerARMv7::ProbeContext::dump(const char* indentation)
{
if (!indentation)
indentation = "";
dataLogF("%sProbeContext %p {\n", indentation, this);
dataLogF("%s probeFunction: %p\n", indentation, probeFunction);
dataLogF("%s arg1: %p %llu\n", indentation, arg1, reinterpret_cast<int64_t>(arg1));
dataLogF("%s arg2: %p %llu\n", indentation, arg2, reinterpret_cast<int64_t>(arg2));
dataLogF("%s cpu: {\n", indentation);
dumpCPURegisters(indentation);
dataLogF("%s }\n", indentation);
dataLogF("%s}\n", indentation);
}
extern "C" void ctiMasmProbeTrampoline();
void MacroAssemblerARMv7::probe(MacroAssemblerARMv7::ProbeFunction function, void* arg1, void* arg2)
{
push(RegisterID::lr);
push(RegisterID::lr);
add32(TrustedImm32(8), RegisterID::sp, RegisterID::lr);
store32(RegisterID::lr, ArmAddress(RegisterID::sp, 4));
push(RegisterID::ip);
push(RegisterID::r0);
push(trustedImm32FromPtr(arg2));
push(trustedImm32FromPtr(arg1));
push(trustedImm32FromPtr(function));
move(trustedImm32FromPtr(ctiMasmProbeTrampoline), RegisterID::ip);
m_assembler.blx(RegisterID::ip);
}
#endif // USE(MASM_PROBE)
}
#endif // ENABLE(ASSEMBLER)