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sal: allow register sets to overlap

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This allows a register to be a member of multiple UniformRegisterSets.
Needed to architecture-specifically store, e.g., a list of registers to
record in traces.

Change-Id: Ia5d20768540efe252a84df967d43e569f107da3a
This commit is contained in:
Horst Schirmeier
2013-08-23 10:39:30 +02:00
parent ff1ceeddac
commit 52723a874e
6 changed files with 33 additions and 56 deletions
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18
src/core/sal/x86/X86Architecture.cc
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@ -13,34 +13,34 @@ X86Architecture::X86Architecture()
const std::string names[] = { "RAX", "RCX", "RDX", "RBX", "RSP", "RBP", "RSI", "RDI", "R8",
"R9", "R10", "R11", "R12", "R13", "R14", "R15" };
for (unsigned short i = 0; i < 16; i++) {
Register* pReg = new Register(i, RT_GP, 64);
Register* pReg = new Register(i, 64);
pReg->setName(names[i]);
m_addRegister(pReg);
m_addRegister(pReg, RT_GP);
}
#else
// -- 32 bit register --
const std::string names[] = { "EAX", "ECX", "EDX", "EBX", "ESP", "EBP", "ESI", "EDI" };
for (unsigned short i = 0; i < 8; i++) {
Register* pReg = new Register(i, RT_GP, 32);
Register* pReg = new Register(i, 32);
pReg->setName(names[i]);
m_addRegister(pReg);
m_addRegister(pReg, RT_GP);
}
#endif // SIM_SUPPORT_64
// -------------------------------------
// Add the program counter (PC) register:
#ifdef SIM_SUPPORT_64
Register* pPCReg = new Register(RID_PC, RT_IP, 64);
Register* pPCReg = new Register(RID_PC, 64);
pPCReg->setName("RIP");
#else
Register* pPCReg = new Register(RID_PC, RT_IP, 32);
Register* pPCReg = new Register(RID_PC, 32);
pPCReg->setName("EIP");
#endif // SIM_SUPPORT_64
m_addRegister(pPCReg);
m_addRegister(pPCReg, RT_IP);
// -------------------------------------
// Add the status register (EFLAGS):
Register* pFlagReg = new Register(RID_FLAGS, RT_ST, 32);
Register* pFlagReg = new Register(RID_FLAGS, 32);
pFlagReg->setName("EFLAGS");
m_addRegister(pFlagReg);
m_addRegister(pFlagReg, RT_ST);
}
X86Architecture::~X86Architecture()