/*
+ * Copyright 2015 LabWare
* Copyright 2014 Google, Inc.
* Copyright (c) 2007 The Hewlett-Packard Development Company
* All rights reserved.
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* Authors: Gabe Black
+ * Boris Shingarov
*/
#ifndef __ARCH_X86_REMOTEGDB_HH__
{
class RemoteGDB : public BaseRemoteGDB
{
- public:
- enum
- {
- GDB32_EAX,
- GDB32_ECX,
- GDB32_EDX,
- GDB32_EBX,
- GDB32_ESP,
- GDB32_EBP,
- GDB32_ESI,
- GDB32_EDI,
- GDB32_EIP,
- GDB32_EFLAGS,
- GDB32_CS,
- GDB32_SS,
- GDB32_DS,
- GDB32_ES,
- GDB32_FS,
- GDB32_GS,
-
- GDB32_NUMREGS
- };
-
- enum
+ protected:
+ bool acc(Addr addr, size_t len);
+ bool checkBpLen(size_t len) { return len == 1; }
+ class X86GdbRegCache : public BaseGdbRegCache
{
- GDB64_RAX,
- GDB64_RBX,
- GDB64_RCX,
- GDB64_RDX,
- GDB64_RSI,
- GDB64_RDI,
- GDB64_RBP,
- GDB64_RSP,
- GDB64_R8,
- GDB64_R9,
- GDB64_R10,
- GDB64_R11,
- GDB64_R12,
- GDB64_R13,
- GDB64_R14,
- GDB64_R15,
- GDB64_RIP,
- // These indices index into the reg cache treated as an array of 32
- // bit integers. The next index is one beyond the previous, and then
- // scaled up from an index into an array of 64 bit integers.
- GDB64_RFLAGS_32 = (GDB64_RIP + 1) * 2,
- GDB64_CS_32,
- GDB64_SS_32,
- GDB64_DS_32,
- GDB64_ES_32,
- GDB64_FS_32,
- GDB64_GS_32,
-
- // Scale the end index count back down (rounded up) to be for an
- // array of 64 bit integers.
- GDB64_NUMREGS = (GDB64_GS_32 + 1) / 2 + 1
+ using BaseGdbRegCache::BaseGdbRegCache;
+ private:
+ struct {
+ uint32_t eax;
+ uint32_t ecx;
+ uint32_t edx;
+ uint32_t ebx;
+ uint32_t esp;
+ uint32_t ebp;
+ uint32_t esi;
+ uint32_t edi;
+ uint32_t eip;
+ uint32_t eflags;
+ uint32_t cs;
+ uint32_t ss;
+ uint32_t ds;
+ uint32_t es;
+ uint32_t fs;
+ uint32_t gs;
+ } r;
+ public:
+ char *data() const { return (char *)&r; }
+ size_t size() const { return sizeof(r); }
+ void getRegs(ThreadContext*);
+ void setRegs(ThreadContext*) const;
+ const std::string
+ name() const
+ {
+ return gdb->name() + ".X86GdbRegCache";
+ }
};
- RemoteGDB(System *system, ThreadContext *context);
-
- bool acc(Addr addr, size_t len);
-
- protected:
- class SingleStepEvent : public Event
+ class AMD64GdbRegCache : public BaseGdbRegCache
{
- protected:
- RemoteGDB *gdb;
-
+ using BaseGdbRegCache::BaseGdbRegCache;
+ private:
+ struct M5_ATTR_PACKED {
+ uint64_t rax;
+ uint64_t rbx;
+ uint64_t rcx;
+ uint64_t rdx;
+ uint64_t rsi;
+ uint64_t rdi;
+ uint64_t rbp;
+ uint64_t rsp;
+ 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;
+ uint32_t eflags;
+ uint32_t cs;
+ uint32_t ss;
+ uint32_t ds;
+ uint32_t es;
+ uint32_t fs;
+ uint32_t gs;
+ /*
+ * We do not model st[], FPU status regs, xmm[] etc.
+ * While it's not ok to have G-packets larger than what gdb
+ * knows about, it is ok to have smaller ones.
+ */
+ } r;
public:
- SingleStepEvent(RemoteGDB *g) : gdb(g)
- {}
-
- void process();
+ char *data() const { return (char *)&r; }
+ size_t size() const { return sizeof(r); }
+ void getRegs(ThreadContext*);
+ void setRegs(ThreadContext*) const;
+ const std::string
+ name() const
+ {
+ return gdb->name() + ".AMD64GdbRegCache";
+ }
};
- SingleStepEvent singleStepEvent;
-
- void getregs();
- void setregs();
+ X86GdbRegCache regCache32;
+ AMD64GdbRegCache regCache64;
- void clearSingleStep();
- void setSingleStep();
-
- bool checkBpLen(size_t len) { return len == 1; }
+ public:
+ RemoteGDB(System *system, ThreadContext *context, int _port);
+ BaseGdbRegCache *gdbRegs();
};
-
-const int GDB_REG_BYTES =
- std::max(RemoteGDB::GDB32_NUMREGS * sizeof(uint32_t),
- RemoteGDB::GDB64_NUMREGS * sizeof(uint64_t));
-
-}
+} // namespace X86ISA
#endif // __ARCH_X86_REMOTEGDB_HH__