diff options
Diffstat (limited to 'src/cpu/nativetrace.hh')
| -rw-r--r-- | src/cpu/nativetrace.hh | 155 |
1 files changed, 32 insertions, 123 deletions
diff --git a/src/cpu/nativetrace.hh b/src/cpu/nativetrace.hh index f137e66ee..34869f263 100644 --- a/src/cpu/nativetrace.hh +++ b/src/cpu/nativetrace.hh @@ -1,5 +1,5 @@ /* - * Copyright (c) 2001-2005 The Regents of The University of Michigan + * Copyright (c) 2006-2009 The Regents of The University of Michigan * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -25,15 +25,16 @@ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * - * Authors: Steve Reinhardt - * Nathan Binkert + * Authors: Gabe Black */ #ifndef __CPU_NATIVETRACE_HH__ #define __CPU_NATIVETRACE_HH__ -#include "arch/x86/floatregs.hh" -#include "arch/x86/intregs.hh" +#include <errno.h> +#include <unistd.h> + +#include "base/socket.hh" #include "base/trace.hh" #include "base/types.hh" #include "cpu/static_inst.hh" @@ -71,102 +72,22 @@ class NativeTrace : public InstTracer ListenSocket native_listener; - bool checkRcx; - bool checkR11; - uint64_t oldRcxVal, oldR11Val; - uint64_t oldRealRcxVal, oldRealR11Val; - - struct ThreadState { - uint64_t rax; - uint64_t rcx; - uint64_t rdx; - uint64_t rbx; - uint64_t rsp; - uint64_t rbp; - uint64_t rsi; - uint64_t rdi; - uint64_t r8; - uint64_t r9; - uint64_t r10; - uint64_t r11; - uint64_t r12; - uint64_t r13; - uint64_t r14; - uint64_t r15; - uint64_t rip; - //This should be expanded to 16 if x87 registers are considered - uint64_t mmx[8]; - uint64_t xmm[32]; - - void update(int fd) - { - int bytesLeft = sizeof(ThreadState); - int bytesRead = 0; - do - { - int res = read(fd, ((char *)this) + bytesRead, bytesLeft); - if(res < 0) - panic("Read call failed! %s\n", strerror(errno)); - bytesLeft -= res; - bytesRead += res; - } while(bytesLeft); - rax = TheISA::gtoh(rax); - rcx = TheISA::gtoh(rcx); - rdx = TheISA::gtoh(rdx); - rbx = TheISA::gtoh(rbx); - rsp = TheISA::gtoh(rsp); - rbp = TheISA::gtoh(rbp); - rsi = TheISA::gtoh(rsi); - rdi = TheISA::gtoh(rdi); - r8 = TheISA::gtoh(r8); - r9 = TheISA::gtoh(r9); - r10 = TheISA::gtoh(r10); - r11 = TheISA::gtoh(r11); - r12 = TheISA::gtoh(r12); - r13 = TheISA::gtoh(r13); - r14 = TheISA::gtoh(r14); - r15 = TheISA::gtoh(r15); - rip = TheISA::gtoh(rip); - //This should be expanded if x87 registers are considered - for (int i = 0; i < 8; i++) - mmx[i] = TheISA::gtoh(mmx[i]); - for (int i = 0; i < 32; i++) - xmm[i] = TheISA::gtoh(xmm[i]); - } - - void update(ThreadContext * tc) - { - rax = tc->readIntReg(X86ISA::INTREG_RAX); - rcx = tc->readIntReg(X86ISA::INTREG_RCX); - rdx = tc->readIntReg(X86ISA::INTREG_RDX); - rbx = tc->readIntReg(X86ISA::INTREG_RBX); - rsp = tc->readIntReg(X86ISA::INTREG_RSP); - rbp = tc->readIntReg(X86ISA::INTREG_RBP); - rsi = tc->readIntReg(X86ISA::INTREG_RSI); - rdi = tc->readIntReg(X86ISA::INTREG_RDI); - r8 = tc->readIntReg(X86ISA::INTREG_R8); - r9 = tc->readIntReg(X86ISA::INTREG_R9); - r10 = tc->readIntReg(X86ISA::INTREG_R10); - r11 = tc->readIntReg(X86ISA::INTREG_R11); - r12 = tc->readIntReg(X86ISA::INTREG_R12); - r13 = tc->readIntReg(X86ISA::INTREG_R13); - r14 = tc->readIntReg(X86ISA::INTREG_R14); - r15 = tc->readIntReg(X86ISA::INTREG_R15); - rip = tc->readNextPC(); - //This should be expanded if x87 registers are considered - for (int i = 0; i < 8; i++) - mmx[i] = tc->readFloatRegBits(X86ISA::FLOATREG_MMX(i)); - for (int i = 0; i < 32; i++) - xmm[i] = tc->readFloatRegBits(X86ISA::FLOATREG_XMM_BASE + i); - } - - }; + public: - ThreadState nState; - ThreadState mState; + NativeTrace(const Params *p); + virtual ~NativeTrace() {} + NativeTraceRecord * + getInstRecord(Tick when, ThreadContext *tc, + const StaticInstPtr staticInst, Addr pc, + const StaticInstPtr macroStaticInst = NULL, MicroPC upc = 0) + { + if (tc->misspeculating()) + return NULL; - public: + return new NativeTraceRecord(this, when, tc, + staticInst, pc, tc->misspeculating(), macroStaticInst, upc); + } template<class T> bool @@ -181,35 +102,23 @@ class NativeTrace : public InstTracer return true; } - bool - checkRcxReg(const char * regName, uint64_t &, uint64_t &); - - bool - checkR11Reg(const char * regName, uint64_t &, uint64_t &); - - bool - checkXMM(int num, uint64_t mXmmBuf[], uint64_t nXmmBuf[]); - - NativeTrace(const Params *p); - - NativeTraceRecord * - getInstRecord(Tick when, ThreadContext *tc, - const StaticInstPtr staticInst, Addr pc, - const StaticInstPtr macroStaticInst = NULL, MicroPC upc = 0) + void + read(void *ptr, size_t size) { - if (tc->misspeculating()) - return NULL; - - return new NativeTraceRecord(this, when, tc, - staticInst, pc, tc->misspeculating(), macroStaticInst, upc); + size_t soFar = 0; + while (soFar < size) { + size_t res = ::read(fd, (uint8_t *)ptr + soFar, size - soFar); + if (res < 0) + panic("Read call failed! %s\n", strerror(errno)); + else + soFar += res; + } } - void - check(ThreadContext *, bool syscall); - - friend class NativeTraceRecord; + virtual void + check(NativeTraceRecord *record) = 0; }; -/* namespace Trace */ } +} /* namespace Trace */ #endif // __CPU_NATIVETRACE_HH__ |