diff options
Diffstat (limited to 'src')
27 files changed, 361 insertions, 229 deletions
diff --git a/src/arch/alpha/linux/process.cc b/src/arch/alpha/linux/process.cc index 0f09e472b..a653d7845 100644 --- a/src/arch/alpha/linux/process.cc +++ b/src/arch/alpha/linux/process.cc @@ -48,7 +48,8 @@ static SyscallReturn unameFunc(SyscallDesc *desc, int callnum, LiveProcess *process, ThreadContext *tc) { - TypedBufferArg<Linux::utsname> name(process->getSyscallArg(tc, 0)); + int index = 0; + TypedBufferArg<Linux::utsname> name(process->getSyscallArg(tc, index)); strcpy(name->sysname, "Linux"); strcpy(name->nodename, "m5.eecs.umich.edu"); @@ -67,13 +68,15 @@ static SyscallReturn osf_getsysinfoFunc(SyscallDesc *desc, int callnum, LiveProcess *process, ThreadContext *tc) { - unsigned op = process->getSyscallArg(tc, 0); + int index = 0; + unsigned op = process->getSyscallArg(tc, index); + Addr bufPtr = process->getSyscallArg(tc, index); // unsigned nbytes = process->getSyscallArg(tc, 2); switch (op) { case 45: { // GSI_IEEE_FP_CONTROL - TypedBufferArg<uint64_t> fpcr(process->getSyscallArg(tc, 1)); + TypedBufferArg<uint64_t> fpcr(bufPtr); // I don't think this exactly matches the HW FPCR *fpcr = 0; fpcr.copyOut(tc->getMemPort()); @@ -94,13 +97,15 @@ static SyscallReturn osf_setsysinfoFunc(SyscallDesc *desc, int callnum, LiveProcess *process, ThreadContext *tc) { - unsigned op = process->getSyscallArg(tc, 0); + int index = 0; + unsigned op = process->getSyscallArg(tc, index); + Addr bufPtr = process->getSyscallArg(tc, index); // unsigned nbytes = process->getSyscallArg(tc, 2); switch (op) { case 14: { // SSI_IEEE_FP_CONTROL - TypedBufferArg<uint64_t> fpcr(process->getSyscallArg(tc, 1)); + TypedBufferArg<uint64_t> fpcr(bufPtr); // I don't think this exactly matches the HW FPCR fpcr.copyIn(tc->getMemPort()); DPRINTFR(SyscallVerbose, "osf_setsysinfo(SSI_IEEE_FP_CONTROL): " diff --git a/src/arch/alpha/process.cc b/src/arch/alpha/process.cc index 6aad45da8..9d75d5fa1 100644 --- a/src/arch/alpha/process.cc +++ b/src/arch/alpha/process.cc @@ -193,10 +193,10 @@ AlphaLiveProcess::startup() } AlphaISA::IntReg -AlphaLiveProcess::getSyscallArg(ThreadContext *tc, int i) +AlphaLiveProcess::getSyscallArg(ThreadContext *tc, int &i) { assert(i < 6); - return tc->readIntReg(FirstArgumentReg + i); + return tc->readIntReg(FirstArgumentReg + i++); } void diff --git a/src/arch/alpha/process.hh b/src/arch/alpha/process.hh index 6d083c5ac..36b25a48e 100644 --- a/src/arch/alpha/process.hh +++ b/src/arch/alpha/process.hh @@ -44,7 +44,7 @@ class AlphaLiveProcess : public LiveProcess void argsInit(int intSize, int pageSize); public: - AlphaISA::IntReg getSyscallArg(ThreadContext *tc, int i); + AlphaISA::IntReg getSyscallArg(ThreadContext *tc, int &i); void setSyscallArg(ThreadContext *tc, int i, AlphaISA::IntReg val); void setSyscallReturn(ThreadContext *tc, SyscallReturn return_value); }; diff --git a/src/arch/alpha/tru64/process.cc b/src/arch/alpha/tru64/process.cc index 8fa3cdeda..b039fbe19 100644 --- a/src/arch/alpha/tru64/process.cc +++ b/src/arch/alpha/tru64/process.cc @@ -45,7 +45,8 @@ static SyscallReturn unameFunc(SyscallDesc *desc, int callnum, LiveProcess *process, ThreadContext *tc) { - TypedBufferArg<AlphaTru64::utsname> name(process->getSyscallArg(tc, 0)); + int index = 0; + TypedBufferArg<AlphaTru64::utsname> name(process->getSyscallArg(tc, index)); strcpy(name->sysname, "OSF1"); strcpy(name->nodename, "m5.eecs.umich.edu"); @@ -62,35 +63,36 @@ static SyscallReturn getsysinfoFunc(SyscallDesc *desc, int callnum, LiveProcess *process, ThreadContext *tc) { - unsigned op = process->getSyscallArg(tc, 0); - unsigned nbytes = process->getSyscallArg(tc, 2); + int index = 0; + unsigned op = process->getSyscallArg(tc, index); + Addr bufPtr = process->getSyscallArg(tc, index); + unsigned nbytes = process->getSyscallArg(tc, index); switch (op) { case AlphaTru64::GSI_MAX_CPU: { - TypedBufferArg<uint32_t> max_cpu(process->getSyscallArg(tc, 1)); + TypedBufferArg<uint32_t> max_cpu(bufPtr); *max_cpu = htog((uint32_t)process->numCpus()); max_cpu.copyOut(tc->getMemPort()); return 1; } case AlphaTru64::GSI_CPUS_IN_BOX: { - TypedBufferArg<uint32_t> cpus_in_box(process->getSyscallArg(tc, 1)); + TypedBufferArg<uint32_t> cpus_in_box(bufPtr); *cpus_in_box = htog((uint32_t)process->numCpus()); cpus_in_box.copyOut(tc->getMemPort()); return 1; } case AlphaTru64::GSI_PHYSMEM: { - TypedBufferArg<uint64_t> physmem(process->getSyscallArg(tc, 1)); + TypedBufferArg<uint64_t> physmem(bufPtr); *physmem = htog((uint64_t)1024 * 1024); // physical memory in KB physmem.copyOut(tc->getMemPort()); return 1; } case AlphaTru64::GSI_CPU_INFO: { - TypedBufferArg<AlphaTru64::cpu_info> - infop(process->getSyscallArg(tc, 1)); + TypedBufferArg<AlphaTru64::cpu_info> infop(bufPtr); infop->current_cpu = htog(0); infop->cpus_in_box = htog(process->numCpus()); @@ -107,14 +109,14 @@ getsysinfoFunc(SyscallDesc *desc, int callnum, LiveProcess *process, } case AlphaTru64::GSI_PROC_TYPE: { - TypedBufferArg<uint64_t> proc_type(process->getSyscallArg(tc, 1)); + TypedBufferArg<uint64_t> proc_type(bufPtr); *proc_type = htog((uint64_t)11); proc_type.copyOut(tc->getMemPort()); return 1; } case AlphaTru64::GSI_PLATFORM_NAME: { - BufferArg bufArg(process->getSyscallArg(tc, 1), nbytes); + BufferArg bufArg(bufPtr, nbytes); strncpy((char *)bufArg.bufferPtr(), "COMPAQ Professional Workstation XP1000", nbytes); @@ -123,7 +125,7 @@ getsysinfoFunc(SyscallDesc *desc, int callnum, LiveProcess *process, } case AlphaTru64::GSI_CLK_TCK: { - TypedBufferArg<uint64_t> clk_hz(process->getSyscallArg(tc, 1)); + TypedBufferArg<uint64_t> clk_hz(bufPtr); *clk_hz = htog((uint64_t)1024); clk_hz.copyOut(tc->getMemPort()); return 1; @@ -142,12 +144,13 @@ static SyscallReturn setsysinfoFunc(SyscallDesc *desc, int callnum, LiveProcess *process, ThreadContext *tc) { - unsigned op = process->getSyscallArg(tc, 0); + int index = 0; + unsigned op = process->getSyscallArg(tc, index); switch (op) { case AlphaTru64::SSI_IEEE_FP_CONTROL: warn("setsysinfo: ignoring ieee_set_fp_control() arg 0x%x\n", - process->getSyscallArg(tc, 1)); + process->getSyscallArg(tc, index)); break; default: @@ -165,17 +168,19 @@ tableFunc(SyscallDesc *desc, int callnum, LiveProcess *process, { using namespace std; - int id = process->getSyscallArg(tc, 0); // table ID - int index = process->getSyscallArg(tc, 1); // index into table + int argIndex = 0; + int id = process->getSyscallArg(tc, argIndex); // table ID + int index = process->getSyscallArg(tc, argIndex); // index into table + Addr bufPtr = process->getSyscallArg(tc, argIndex); // arg 2 is buffer pointer; type depends on table ID - int nel = process->getSyscallArg(tc, 3); // number of elements - int lel = process->getSyscallArg(tc, 4); // expected element size + int nel = process->getSyscallArg(tc, argIndex); // number of elements + int lel = process->getSyscallArg(tc, argIndex); // expected element size switch (id) { case AlphaTru64::TBL_SYSINFO: { if (index != 0 || nel != 1 || lel != sizeof(Tru64::tbl_sysinfo)) return -EINVAL; - TypedBufferArg<Tru64::tbl_sysinfo> elp(process->getSyscallArg(tc, 2)); + TypedBufferArg<Tru64::tbl_sysinfo> elp(bufPtr); const int clk_hz = one_million; elp->si_user = htog(curTick / (Clock::Frequency / clk_hz)); diff --git a/src/arch/arm/linux/process.cc b/src/arch/arm/linux/process.cc index a7f36e18d..f909d871a 100644 --- a/src/arch/arm/linux/process.cc +++ b/src/arch/arm/linux/process.cc @@ -50,7 +50,8 @@ static SyscallReturn unameFunc(SyscallDesc *desc, int callnum, LiveProcess *process, ThreadContext *tc) { - TypedBufferArg<Linux::utsname> name(process->getSyscallArg(tc, 0)); + int index = 0; + TypedBufferArg<Linux::utsname> name(process->getSyscallArg(tc, index)); strcpy(name->sysname, "Linux"); strcpy(name->nodename, "m5.eecs.umich.edu"); @@ -417,7 +418,8 @@ static SyscallReturn setTLSFunc(SyscallDesc *desc, int callnum, LiveProcess *process, ThreadContext *tc) { - uint32_t tlsPtr = process->getSyscallArg(tc, 0); + int index = 0; + uint32_t tlsPtr = process->getSyscallArg(tc, index); tc->getMemPort()->writeBlob(ArmLinuxProcess::commPage + 0x0ff0, (uint8_t *)&tlsPtr, sizeof(tlsPtr)); @@ -511,12 +513,12 @@ ArmLinuxProcess::startup() } ArmISA::IntReg -ArmLinuxProcess::getSyscallArg(ThreadContext *tc, int i) +ArmLinuxProcess::getSyscallArg(ThreadContext *tc, int &i) { // Linux apparently allows more parameter than the ABI says it should. // This limit may need to be increased even further. assert(i < 6); - return tc->readIntReg(ArgumentReg0 + i); + return tc->readIntReg(ArgumentReg0 + i++); } void diff --git a/src/arch/arm/linux/process.hh b/src/arch/arm/linux/process.hh index 53b3781d2..ab836fab2 100644 --- a/src/arch/arm/linux/process.hh +++ b/src/arch/arm/linux/process.hh @@ -44,7 +44,7 @@ class ArmLinuxProcess : public ArmLiveProcess void startup(); - ArmISA::IntReg getSyscallArg(ThreadContext *tc, int i); + ArmISA::IntReg getSyscallArg(ThreadContext *tc, int &i); void setSyscallArg(ThreadContext *tc, int i, ArmISA::IntReg val); /// The target system's hostname. diff --git a/src/arch/arm/process.cc b/src/arch/arm/process.cc index cd7cc9736..702922a43 100644 --- a/src/arch/arm/process.cc +++ b/src/arch/arm/process.cc @@ -324,10 +324,10 @@ ArmLiveProcess::argsInit(int intSize, int pageSize) } ArmISA::IntReg -ArmLiveProcess::getSyscallArg(ThreadContext *tc, int i) +ArmLiveProcess::getSyscallArg(ThreadContext *tc, int &i) { assert(i < 4); - return tc->readIntReg(ArgumentReg0 + i); + return tc->readIntReg(ArgumentReg0 + i++); } void diff --git a/src/arch/arm/process.hh b/src/arch/arm/process.hh index 8954d3719..f793892d0 100644 --- a/src/arch/arm/process.hh +++ b/src/arch/arm/process.hh @@ -53,7 +53,7 @@ class ArmLiveProcess : public LiveProcess public: void argsInit(int intSize, int pageSize); - ArmISA::IntReg getSyscallArg(ThreadContext *tc, int i); + ArmISA::IntReg getSyscallArg(ThreadContext *tc, int &i); void setSyscallArg(ThreadContext *tc, int i, ArmISA::IntReg val); void setSyscallReturn(ThreadContext *tc, SyscallReturn return_value); }; diff --git a/src/arch/mips/linux/process.cc b/src/arch/mips/linux/process.cc index dde3a4efd..c2a05b73b 100644 --- a/src/arch/mips/linux/process.cc +++ b/src/arch/mips/linux/process.cc @@ -51,7 +51,8 @@ static SyscallReturn unameFunc(SyscallDesc *desc, int callnum, LiveProcess *process, ThreadContext *tc) { - TypedBufferArg<Linux::utsname> name(process->getSyscallArg(tc, 0)); + int index = 0; + TypedBufferArg<Linux::utsname> name(process->getSyscallArg(tc, index)); strcpy(name->sysname, "Linux"); strcpy(name->nodename,"m5.eecs.umich.edu"); @@ -70,14 +71,16 @@ static SyscallReturn sys_getsysinfoFunc(SyscallDesc *desc, int callnum, LiveProcess *process, ThreadContext *tc) { - unsigned op = process->getSyscallArg(tc, 0); - // unsigned nbytes = process->getSyscallArg(tc, 2); + int index = 0; + unsigned op = process->getSyscallArg(tc, index); + unsigned bufPtr = process->getSyscallArg(tc, index); + // unsigned nbytes = process->getSyscallArg(tc, index); switch (op) { case 45: { // GSI_IEEE_FP_CONTROL - TypedBufferArg<uint64_t> fpcr(process->getSyscallArg(tc, 1)); + TypedBufferArg<uint64_t> fpcr(bufPtr); // I don't think this exactly matches the HW FPCR *fpcr = 0; fpcr.copyOut(tc->getMemPort()); @@ -97,15 +100,17 @@ static SyscallReturn sys_setsysinfoFunc(SyscallDesc *desc, int callnum, LiveProcess *process, ThreadContext *tc) { - unsigned op = process->getSyscallArg(tc, 0); - // unsigned nbytes = process->getSyscallArg(tc, 2); + int index = 0; + unsigned op = process->getSyscallArg(tc, index); + Addr bufPtr = process->getSyscallArg(tc, index); + // unsigned nbytes = process->getSyscallArg(tc, index); switch (op) { case 14: { // SSI_IEEE_FP_CONTROL - TypedBufferArg<uint64_t> fpcr(process->getSyscallArg(tc, 1)); + TypedBufferArg<uint64_t> fpcr(bufPtr); // I don't think this exactly matches the HW FPCR fpcr.copyIn(tc->getMemPort()); DPRINTFR(SyscallVerbose, "sys_setsysinfo(SSI_IEEE_FP_CONTROL): " diff --git a/src/arch/mips/process.cc b/src/arch/mips/process.cc index b9f608922..d96b0c81c 100644 --- a/src/arch/mips/process.cc +++ b/src/arch/mips/process.cc @@ -147,10 +147,10 @@ MipsLiveProcess::argsInit(int intSize, int pageSize) MipsISA::IntReg -MipsLiveProcess::getSyscallArg(ThreadContext *tc, int i) +MipsLiveProcess::getSyscallArg(ThreadContext *tc, int &i) { assert(i < 6); - return tc->readIntReg(FirstArgumentReg + i); + return tc->readIntReg(FirstArgumentReg + i++); } void diff --git a/src/arch/mips/process.hh b/src/arch/mips/process.hh index b8f4de20a..f35ec8554 100644 --- a/src/arch/mips/process.hh +++ b/src/arch/mips/process.hh @@ -50,7 +50,7 @@ class MipsLiveProcess : public LiveProcess void argsInit(int intSize, int pageSize); public: - MipsISA::IntReg getSyscallArg(ThreadContext *tc, int i); + MipsISA::IntReg getSyscallArg(ThreadContext *tc, int &i); void setSyscallArg(ThreadContext *tc, int i, MipsISA::IntReg val); void setSyscallReturn(ThreadContext *tc, SyscallReturn return_value); }; diff --git a/src/arch/power/linux/process.cc b/src/arch/power/linux/process.cc index b03ccfc8c..504d0e334 100644 --- a/src/arch/power/linux/process.cc +++ b/src/arch/power/linux/process.cc @@ -52,7 +52,8 @@ static SyscallReturn unameFunc(SyscallDesc *desc, int callnum, LiveProcess *process, ThreadContext *tc) { - TypedBufferArg<Linux::utsname> name(process->getSyscallArg(tc, 0)); + int index = 0; + TypedBufferArg<Linux::utsname> name(process->getSyscallArg(tc, index)); strcpy(name->sysname, "Linux"); strcpy(name->nodename, "m5.eecs.umich.edu"); @@ -437,12 +438,12 @@ PowerLinuxProcess::startup() } PowerISA::IntReg -PowerLinuxProcess::getSyscallArg(ThreadContext *tc, int i) +PowerLinuxProcess::getSyscallArg(ThreadContext *tc, int &i) { // Linux apparently allows more parameter than the ABI says it should. // This limit may need to be increased even further. assert(i < 6); - return tc->readIntReg(ArgumentReg0 + i); + return tc->readIntReg(ArgumentReg0 + i++); } void diff --git a/src/arch/power/linux/process.hh b/src/arch/power/linux/process.hh index 78b0eef7f..db6759a77 100644 --- a/src/arch/power/linux/process.hh +++ b/src/arch/power/linux/process.hh @@ -46,7 +46,7 @@ class PowerLinuxProcess : public PowerLiveProcess void startup(); - PowerISA::IntReg getSyscallArg(ThreadContext *tc, int i); + PowerISA::IntReg getSyscallArg(ThreadContext *tc, int &i); void setSyscallArg(ThreadContext *tc, int i, PowerISA::IntReg val); /// Array of syscall descriptors, indexed by call number. diff --git a/src/arch/power/process.cc b/src/arch/power/process.cc index 8828a1a93..92f993e4c 100644 --- a/src/arch/power/process.cc +++ b/src/arch/power/process.cc @@ -266,10 +266,10 @@ PowerLiveProcess::argsInit(int intSize, int pageSize) } PowerISA::IntReg -PowerLiveProcess::getSyscallArg(ThreadContext *tc, int i) +PowerLiveProcess::getSyscallArg(ThreadContext *tc, int &i) { assert(i < 5); - return tc->readIntReg(ArgumentReg0 + i); + return tc->readIntReg(ArgumentReg0 + i++); } void diff --git a/src/arch/power/process.hh b/src/arch/power/process.hh index dae776c4c..ede75f05f 100644 --- a/src/arch/power/process.hh +++ b/src/arch/power/process.hh @@ -50,7 +50,7 @@ class PowerLiveProcess : public LiveProcess public: void argsInit(int intSize, int pageSize); - PowerISA::IntReg getSyscallArg(ThreadContext *tc, int i); + PowerISA::IntReg getSyscallArg(ThreadContext *tc, int &i); void setSyscallArg(ThreadContext *tc, int i, PowerISA::IntReg val); void setSyscallReturn(ThreadContext *tc, SyscallReturn return_value); }; diff --git a/src/arch/sparc/linux/syscalls.cc b/src/arch/sparc/linux/syscalls.cc index c50803976..874ddc005 100644 --- a/src/arch/sparc/linux/syscalls.cc +++ b/src/arch/sparc/linux/syscalls.cc @@ -41,7 +41,8 @@ static SyscallReturn unameFunc(SyscallDesc *desc, int callnum, LiveProcess *process, ThreadContext *tc) { - TypedBufferArg<Linux::utsname> name(process->getSyscallArg(tc, 0)); + int index = 0; + TypedBufferArg<Linux::utsname> name(process->getSyscallArg(tc, index)); strcpy(name->sysname, "Linux"); strcpy(name->nodename, "m5.eecs.umich.edu"); @@ -59,9 +60,10 @@ SyscallReturn getresuidFunc(SyscallDesc *desc, int num, LiveProcess *p, ThreadContext *tc) { const IntReg id = htog(100); - Addr ruid = p->getSyscallArg(tc, 0); - Addr euid = p->getSyscallArg(tc, 1); - Addr suid = p->getSyscallArg(tc, 2); + int index = 0; + Addr ruid = p->getSyscallArg(tc, index); + Addr euid = p->getSyscallArg(tc, index); + Addr suid = p->getSyscallArg(tc, index); //Handle the EFAULT case //Set the ruid if(ruid) diff --git a/src/arch/sparc/process.cc b/src/arch/sparc/process.cc index 89e853573..7e01f6b07 100644 --- a/src/arch/sparc/process.cc +++ b/src/arch/sparc/process.cc @@ -514,10 +514,10 @@ void Sparc64LiveProcess::flushWindows(ThreadContext *tc) } IntReg -Sparc32LiveProcess::getSyscallArg(ThreadContext *tc, int i) +Sparc32LiveProcess::getSyscallArg(ThreadContext *tc, int &i) { assert(i < 6); - return bits(tc->readIntReg(FirstArgumentReg + i), 31, 0); + return bits(tc->readIntReg(FirstArgumentReg + i++), 31, 0); } void @@ -528,10 +528,10 @@ Sparc32LiveProcess::setSyscallArg(ThreadContext *tc, int i, IntReg val) } IntReg -Sparc64LiveProcess::getSyscallArg(ThreadContext *tc, int i) +Sparc64LiveProcess::getSyscallArg(ThreadContext *tc, int &i) { assert(i < 6); - return tc->readIntReg(FirstArgumentReg + i); + return tc->readIntReg(FirstArgumentReg + i++); } void diff --git a/src/arch/sparc/process.hh b/src/arch/sparc/process.hh index fdb9734ba..cca312e0a 100644 --- a/src/arch/sparc/process.hh +++ b/src/arch/sparc/process.hh @@ -95,7 +95,7 @@ class Sparc32LiveProcess : public SparcLiveProcess void flushWindows(ThreadContext *tc); - SparcISA::IntReg getSyscallArg(ThreadContext *tc, int i); + SparcISA::IntReg getSyscallArg(ThreadContext *tc, int &i); void setSyscallArg(ThreadContext *tc, int i, SparcISA::IntReg val); }; @@ -123,7 +123,7 @@ class Sparc64LiveProcess : public SparcLiveProcess void flushWindows(ThreadContext *tc); - SparcISA::IntReg getSyscallArg(ThreadContext *tc, int i); + SparcISA::IntReg getSyscallArg(ThreadContext *tc, int &i); void setSyscallArg(ThreadContext *tc, int i, SparcISA::IntReg val); }; diff --git a/src/arch/sparc/solaris/process.cc b/src/arch/sparc/solaris/process.cc index eafb488df..24abd8687 100644 --- a/src/arch/sparc/solaris/process.cc +++ b/src/arch/sparc/solaris/process.cc @@ -48,7 +48,8 @@ static SyscallReturn unameFunc(SyscallDesc *desc, int callnum, LiveProcess *process, ThreadContext *tc) { - TypedBufferArg<Solaris::utsname> name(process->getSyscallArg(tc, 0)); + int index = 0; + TypedBufferArg<Solaris::utsname> name(process->getSyscallArg(tc, index)); strcpy(name->sysname, "SunOS"); strcpy(name->nodename, "m5.eecs.umich.edu"); diff --git a/src/arch/x86/linux/syscalls.cc b/src/arch/x86/linux/syscalls.cc index 14b3fa69b..4c29559fb 100644 --- a/src/arch/x86/linux/syscalls.cc +++ b/src/arch/x86/linux/syscalls.cc @@ -68,7 +68,8 @@ static SyscallReturn unameFunc(SyscallDesc *desc, int callnum, LiveProcess *process, ThreadContext *tc) { - TypedBufferArg<Linux::utsname> name(process->getSyscallArg(tc, 0)); + int index = 0; + TypedBufferArg<Linux::utsname> name(process->getSyscallArg(tc, index)); strcpy(name->sysname, "Linux"); strcpy(name->nodename, "m5.eecs.umich.edu"); @@ -94,8 +95,9 @@ archPrctlFunc(SyscallDesc *desc, int callnum, LiveProcess *process, }; //First argument is the code, second is the address - int code = process->getSyscallArg(tc, 0); - uint64_t addr = process->getSyscallArg(tc, 1); + int index = 0; + int code = process->getSyscallArg(tc, index); + uint64_t addr = process->getSyscallArg(tc, index); uint64_t fsBase, gsBase; TranslatingPort *p = tc->getMemPort(); switch(code) @@ -159,7 +161,8 @@ setThreadArea32Func(SyscallDesc *desc, int callnum, assert((maxTLSEntry + 1) * sizeof(uint64_t) <= x86lp->gdtSize()); - TypedBufferArg<UserDesc32> userDesc(process->getSyscallArg(tc, 0)); + int argIndex = 0; + TypedBufferArg<UserDesc32> userDesc(process->getSyscallArg(tc, argIndex)); TypedBufferArg<uint64_t> gdt(x86lp->gdtStart() + minTLSEntry * sizeof(uint64_t), numTLSEntries * sizeof(uint64_t)); diff --git a/src/arch/x86/process.cc b/src/arch/x86/process.cc index f7678443d..f7b3ce24a 100644 --- a/src/arch/x86/process.cc +++ b/src/arch/x86/process.cc @@ -698,10 +698,10 @@ X86LiveProcess::setSyscallReturn(ThreadContext *tc, SyscallReturn return_value) } X86ISA::IntReg -X86_64LiveProcess::getSyscallArg(ThreadContext *tc, int i) +X86_64LiveProcess::getSyscallArg(ThreadContext *tc, int &i) { assert(i < NumArgumentRegs); - return tc->readIntReg(ArgumentReg[i]); + return tc->readIntReg(ArgumentReg[i++]); } void @@ -712,10 +712,21 @@ X86_64LiveProcess::setSyscallArg(ThreadContext *tc, int i, X86ISA::IntReg val) } X86ISA::IntReg -I386LiveProcess::getSyscallArg(ThreadContext *tc, int i) +I386LiveProcess::getSyscallArg(ThreadContext *tc, int &i) { assert(i < NumArgumentRegs32); - return tc->readIntReg(ArgumentReg32[i]); + return tc->readIntReg(ArgumentReg32[i++]); +} + +X86ISA::IntReg +I386LiveProcess::getSyscallArg(ThreadContext *tc, int &i, int width) +{ + assert(width == 32 || width == 64); + assert(i < NumArgumentRegs); + uint64_t retVal = tc->readIntReg(ArgumentReg32[i++]) & mask(32); + if (width == 64) + retVal |= ((uint64_t)tc->readIntReg(ArgumentReg[i++]) << 32); + return retVal; } void diff --git a/src/arch/x86/process.hh b/src/arch/x86/process.hh index cd6d99e66..4d031bd5a 100644 --- a/src/arch/x86/process.hh +++ b/src/arch/x86/process.hh @@ -105,7 +105,7 @@ namespace X86ISA void argsInit(int intSize, int pageSize); void startup(); - X86ISA::IntReg getSyscallArg(ThreadContext *tc, int i); + X86ISA::IntReg getSyscallArg(ThreadContext *tc, int &i); void setSyscallArg(ThreadContext *tc, int i, X86ISA::IntReg val); }; @@ -130,7 +130,8 @@ namespace X86ISA void startup(); void syscall(int64_t callnum, ThreadContext *tc); - X86ISA::IntReg getSyscallArg(ThreadContext *tc, int i); + X86ISA::IntReg getSyscallArg(ThreadContext *tc, int &i); + X86ISA::IntReg getSyscallArg(ThreadContext *tc, int &i, int width); void setSyscallArg(ThreadContext *tc, int i, X86ISA::IntReg val); }; } diff --git a/src/kern/tru64/tru64.hh b/src/kern/tru64/tru64.hh index c2bdd2776..033f30946 100644 --- a/src/kern/tru64/tru64.hh +++ b/src/kern/tru64/tru64.hh @@ -440,10 +440,11 @@ class Tru64 : public OperatingSystem #ifdef __CYGWIN__ panic("getdirent not implemented on cygwin!"); #else - int fd = process->sim_fd(process->getSyscallArg(tc, 0)); - Addr tgt_buf = process->getSyscallArg(tc, 1); - int tgt_nbytes = process->getSyscallArg(tc, 2); - Addr tgt_basep = process->getSyscallArg(tc, 3); + int index = 0; + int fd = process->sim_fd(process->getSyscallArg(tc, index)); + Addr tgt_buf = process->getSyscallArg(tc, index); + int tgt_nbytes = process->getSyscallArg(tc, index); + Addr tgt_basep = process->getSyscallArg(tc, index); char * const host_buf = new char[tgt_nbytes]; @@ -498,7 +499,8 @@ class Tru64 : public OperatingSystem { using namespace TheISA; - TypedBufferArg<Tru64::sigcontext> sc(process->getSyscallArg(tc, 0)); + int index = 0; + TypedBufferArg<Tru64::sigcontext> sc(process->getSyscallArg(tc, index)); sc.copyIn(tc->getMemPort()); @@ -530,7 +532,8 @@ class Tru64 : public OperatingSystem { using namespace TheISA; - TypedBufferArg<Tru64::vm_stack> argp(process->getSyscallArg(tc, 0)); + int index = 0; + TypedBufferArg<Tru64::vm_stack> argp(process->getSyscallArg(tc, index)); argp.copyIn(tc->getMemPort()); @@ -578,9 +581,10 @@ class Tru64 : public OperatingSystem using namespace std; using namespace TheISA; + int index = 0; TypedBufferArg<Tru64::nxm_task_attr> - attrp(process->getSyscallArg(tc, 0)); - TypedBufferArg<Addr> configptr_ptr(process->getSyscallArg(tc, 1)); + attrp(process->getSyscallArg(tc, index)); + TypedBufferArg<Addr> configptr_ptr(process->getSyscallArg(tc, index)); attrp.copyIn(tc->getMemPort()); @@ -712,10 +716,11 @@ class Tru64 : public OperatingSystem using namespace std; using namespace TheISA; + int index = 0; TypedBufferArg<Tru64::nxm_thread_attr> - attrp(process->getSyscallArg(tc, 0)); - TypedBufferArg<uint64_t> kidp(process->getSyscallArg(tc, 1)); - int thread_index = process->getSyscallArg(tc, 2); + attrp(process->getSyscallArg(tc, index)); + TypedBufferArg<uint64_t> kidp(process->getSyscallArg(tc, index)); + int thread_index = process->getSyscallArg(tc, index); // get attribute args attrp.copyIn(tc->getMemPort()); @@ -834,11 +839,12 @@ class Tru64 : public OperatingSystem { using namespace std; - uint64_t tid = process->getSyscallArg(tc, 0); - uint64_t secs = process->getSyscallArg(tc, 1); - uint64_t flags = process->getSyscallArg(tc, 2); - uint64_t action = process->getSyscallArg(tc, 3); - uint64_t usecs = process->getSyscallArg(tc, 4); + int index = 0; + uint64_t tid = process->getSyscallArg(tc, index); + uint64_t secs = process->getSyscallArg(tc, index); + uint64_t flags = process->getSyscallArg(tc, index); + uint64_t action = process->getSyscallArg(tc, index); + uint64_t usecs = process->getSyscallArg(tc, index); cout << tc->getCpuPtr()->name() << ": nxm_thread_block " << tid << " " << secs << " " << flags << " " << action << " " << usecs << endl; @@ -853,11 +859,12 @@ class Tru64 : public OperatingSystem { using namespace std; - Addr uaddr = process->getSyscallArg(tc, 0); - uint64_t val = process->getSyscallArg(tc, 1); - uint64_t secs = process->getSyscallArg(tc, 2); - uint64_t usecs = process->getSyscallArg(tc, 3); - uint64_t flags = process->getSyscallArg(tc, 4); + int index = 0; + Addr uaddr = process->getSyscallArg(tc, index); + uint64_t val = process->getSyscallArg(tc, index); + uint64_t secs = process->getSyscallArg(tc, index); + uint64_t usecs = process->getSyscallArg(tc, index); + uint64_t flags = process->getSyscallArg(tc, index); BaseCPU *cpu = tc->getCpuPtr(); @@ -876,7 +883,8 @@ class Tru64 : public OperatingSystem { using namespace std; - Addr uaddr = process->getSyscallArg(tc, 0); + int index = 0; + Addr uaddr = process->getSyscallArg(tc, index); cout << tc->getCpuPtr()->name() << ": nxm_unblock " << hex << uaddr << dec << endl; @@ -977,7 +985,8 @@ class Tru64 : public OperatingSystem m5_mutex_lockFunc(SyscallDesc *desc, int callnum, LiveProcess *process, ThreadContext *tc) { - Addr uaddr = process->getSyscallArg(tc, 0); + int index = 0; + Addr uaddr = process->getSyscallArg(tc, index); m5_lock_mutex(uaddr, process, tc); @@ -994,7 +1003,8 @@ class Tru64 : public OperatingSystem { using namespace TheISA; - Addr uaddr = process->getSyscallArg(tc, 0); + int index = 0; + Addr uaddr = process->getSyscallArg(tc, index); TypedBufferArg<uint64_t> lockp(uaddr); lockp.copyIn(tc->getMemPort()); @@ -1014,7 +1024,8 @@ class Tru64 : public OperatingSystem m5_mutex_unlockFunc(SyscallDesc *desc, int callnum, LiveProcess *process, ThreadContext *tc) { - Addr uaddr = process->getSyscallArg(tc, 0); + int index = 0; + Addr uaddr = process->getSyscallArg(tc, index); m5_unlock_mutex(uaddr, process, tc); @@ -1026,7 +1037,8 @@ class Tru64 : public OperatingSystem m5_cond_signalFunc(SyscallDesc *desc, int callnum, LiveProcess *process, ThreadContext *tc) { - Addr cond_addr = process->getSyscallArg(tc, 0); + int index = 0; + Addr cond_addr = process->getSyscallArg(tc, index); // Wake up one process waiting on the condition variable. activate_waiting_context(cond_addr, process); @@ -1039,7 +1051,8 @@ class Tru64 : public OperatingSystem m5_cond_broadcastFunc(SyscallDesc *desc, int callnum, LiveProcess *process, ThreadContext *tc) { - Addr cond_addr = process->getSyscallArg(tc, 0); + int index = 0; + Addr cond_addr = process->getSyscallArg(tc, index); activate_waiting_context(cond_addr, process, true); @@ -1053,8 +1066,9 @@ class Tru64 : public OperatingSystem { using namespace TheISA; - Addr cond_addr = process->getSyscallArg(tc, 0); - Addr lock_addr = process->getSyscallArg(tc, 1); + int index = 0; + Addr cond_addr = process->getSyscallArg(tc, index); + Addr lock_addr = process->getSyscallArg(tc, index); TypedBufferArg<uint64_t> condp(cond_addr); TypedBufferArg<uint64_t> lockp(lock_addr); @@ -1086,10 +1100,11 @@ class Tru64 : public OperatingSystem indirectSyscallFunc(SyscallDesc *desc, int callnum, LiveProcess *process, ThreadContext *tc) { - int new_callnum = process->getSyscallArg(tc, 0); + int index = 0; + int new_callnum = process->getSyscallArg(tc, index); for (int i = 0; i < 5; ++i) - process->setSyscallArg(tc, i, process->getSyscallArg(tc, i+1)); + process->setSyscallArg(tc, i, process->getSyscallArg(tc, index)); SyscallDesc *new_desc = process->getDesc(new_callnum); diff --git a/src/sim/process.cc b/src/sim/process.cc index cf0f2b84d..e71d6441f 100644 --- a/src/sim/process.cc +++ b/src/sim/process.cc @@ -647,6 +647,12 @@ LiveProcess::syscall(int64_t callnum, ThreadContext *tc) desc->doSyscall(callnum, this, tc); } +IntReg +LiveProcess::getSyscallArg(ThreadContext *tc, int &i, int width) +{ + return getSyscallArg(tc, i); +} + LiveProcess * LiveProcess::create(LiveProcessParams * params) { diff --git a/src/sim/process.hh b/src/sim/process.hh index 7922ce073..ab9d64cf3 100644 --- a/src/sim/process.hh +++ b/src/sim/process.hh @@ -325,7 +325,9 @@ class LiveProcess : public Process std::string getcwd() const { return cwd; } virtual void syscall(int64_t callnum, ThreadContext *tc); - virtual TheISA::IntReg getSyscallArg(ThreadContext *tc, int i) = 0; + + virtual TheISA::IntReg getSyscallArg(ThreadContext *tc, int &i) = 0; + virtual TheISA::IntReg getSyscallArg(ThreadContext *tc, int &i, int width); virtual void setSyscallArg(ThreadContext *tc, int i, TheISA::IntReg val) = 0; virtual void setSyscallReturn(ThreadContext *tc, diff --git a/src/sim/syscall_emul.cc b/src/sim/syscall_emul.cc index 13ad04311..d25f7b9fa 100644 --- a/src/sim/syscall_emul.cc +++ b/src/sim/syscall_emul.cc @@ -52,11 +52,14 @@ using namespace TheISA; void SyscallDesc::doSyscall(int callnum, LiveProcess *process, ThreadContext *tc) { + int index = 0; DPRINTFR(SyscallVerbose, "%d: %s: syscall %s called w/arguments %d,%d,%d,%d\n", curTick, tc->getCpuPtr()->name(), name, - process->getSyscallArg(tc, 0), process->getSyscallArg(tc, 1), - process->getSyscallArg(tc, 2), process->getSyscallArg(tc, 3)); + process->getSyscallArg(tc, index), + process->getSyscallArg(tc, index), + process->getSyscallArg(tc, index), + process->getSyscallArg(tc, index)); SyscallReturn retval = (*funcPtr)(this, callnum, process, tc); @@ -82,8 +85,9 @@ SyscallReturn ignoreFunc(SyscallDesc *desc, int callnum, LiveProcess *process, ThreadContext *tc) { + int index = 0; warn("ignoring syscall %s(%d, %d, ...)", desc->name, - process->getSyscallArg(tc, 0), process->getSyscallArg(tc, 1)); + process->getSyscallArg(tc, index), process->getSyscallArg(tc, index)); return 0; } @@ -95,8 +99,9 @@ exitFunc(SyscallDesc *desc, int callnum, LiveProcess *process, { if (process->system->numRunningContexts() == 1) { // Last running context... exit simulator + int index = 0; exitSimLoop("target called exit()", - process->getSyscallArg(tc, 0) & 0xff); + process->getSyscallArg(tc, index) & 0xff); } else { // other running threads... just halt this one tc->halt(); @@ -112,8 +117,9 @@ exitGroupFunc(SyscallDesc *desc, int callnum, LiveProcess *process, { // really should just halt all thread contexts belonging to this // process in case there's another process running... + int index = 0; exitSimLoop("target called exit()", - process->getSyscallArg(tc, 0) & 0xff); + process->getSyscallArg(tc, index) & 0xff); return 1; } @@ -130,7 +136,8 @@ SyscallReturn brkFunc(SyscallDesc *desc, int num, LiveProcess *p, ThreadContext *tc) { // change brk addr to first arg - Addr new_brk = p->getSyscallArg(tc, 0); + int index = 0; + Addr new_brk = p->getSyscallArg(tc, index); // in Linux at least, brk(0) returns the current break value // (note that the syscall and the glibc function have different behavior) @@ -174,7 +181,8 @@ brkFunc(SyscallDesc *desc, int num, LiveProcess *p, ThreadContext *tc) SyscallReturn closeFunc(SyscallDesc *desc, int num, LiveProcess *p, ThreadContext *tc) { - int target_fd = p->getSyscallArg(tc, 0); + int index = 0; + int target_fd = p->getSyscallArg(tc, index); int status = close(p->sim_fd(target_fd)); if (status >= 0) p->free_fd(target_fd); @@ -185,9 +193,11 @@ closeFunc(SyscallDesc *desc, int num, LiveProcess *p, ThreadContext *tc) SyscallReturn readFunc(SyscallDesc *desc, int num, LiveProcess *p, ThreadContext *tc) { - int fd = p->sim_fd(p->getSyscallArg(tc, 0)); - int nbytes = p->getSyscallArg(tc, 2); - BufferArg bufArg(p->getSyscallArg(tc, 1), nbytes); + int index = 0; + int fd = p->sim_fd(p->getSyscallArg(tc, index)); + Addr bufPtr = p->getSyscallArg(tc, index); + int nbytes = p->getSyscallArg(tc, index); + BufferArg bufArg(bufPtr, nbytes); int bytes_read = read(fd, bufArg.bufferPtr(), nbytes); @@ -200,9 +210,11 @@ readFunc(SyscallDesc *desc, int num, LiveProcess *p, ThreadContext *tc) SyscallReturn writeFunc(SyscallDesc *desc, int num, LiveProcess *p, ThreadContext *tc) { - int fd = p->sim_fd(p->getSyscallArg(tc, 0)); - int nbytes = p->getSyscallArg(tc, 2); - BufferArg bufArg(p->getSyscallArg(tc, 1), nbytes); + int index = 0; + int fd = p->sim_fd(p->getSyscallArg(tc, index)); + Addr bufPtr = p->getSyscallArg(tc, index); + int nbytes = p->getSyscallArg(tc, index); + BufferArg bufArg(bufPtr, nbytes); bufArg.copyIn(tc->getMemPort()); @@ -217,9 +229,10 @@ writeFunc(SyscallDesc *desc, int num, LiveProcess *p, ThreadContext *tc) SyscallReturn lseekFunc(SyscallDesc *desc, int num, LiveProcess *p, ThreadContext *tc) { - int fd = p->sim_fd(p->getSyscallArg(tc, 0)); - uint64_t offs = p->getSyscallArg(tc, 1); - int whence = p->getSyscallArg(tc, 2); + int index = 0; + int fd = p->sim_fd(p->getSyscallArg(tc, index)); + uint64_t offs = p->getSyscallArg(tc, index); + int whence = p->getSyscallArg(tc, index); off_t result = lseek(fd, offs, whence); @@ -230,11 +243,12 @@ lseekFunc(SyscallDesc *desc, int num, LiveProcess *p, ThreadContext *tc) SyscallReturn _llseekFunc(SyscallDesc *desc, int num, LiveProcess *p, ThreadContext *tc) { - int fd = p->sim_fd(p->getSyscallArg(tc, 0)); - uint64_t offset_high = p->getSyscallArg(tc, 1); - uint32_t offset_low = p->getSyscallArg(tc, 2); - Addr result_ptr = p->getSyscallArg(tc, 3); - int whence = p->getSyscallArg(tc, 4); + int index = 0; + int fd = p->sim_fd(p->getSyscallArg(tc, index)); + uint64_t offset_high = p->getSyscallArg(tc, index); + uint32_t offset_low = p->getSyscallArg(tc, index); + Addr result_ptr = p->getSyscallArg(tc, index); + int whence = p->getSyscallArg(tc, index); uint64_t offset = (offset_high << 32) | offset_low; @@ -273,8 +287,10 @@ const char *hostname = "m5.eecs.umich.edu"; SyscallReturn gethostnameFunc(SyscallDesc *desc, int num, LiveProcess *p, ThreadContext *tc) { - int name_len = p->getSyscallArg(tc, 1); - BufferArg name(p->getSyscallArg(tc, 0), name_len); + int index = 0; + Addr bufPtr = p->getSyscallArg(tc, index); + int name_len = p->getSyscallArg(tc, index); + BufferArg name(bufPtr, name_len); strncpy((char *)name.bufferPtr(), hostname, name_len); @@ -287,8 +303,10 @@ SyscallReturn getcwdFunc(SyscallDesc *desc, int num, LiveProcess *p, ThreadContext *tc) { int result = 0; - unsigned long size = p->getSyscallArg(tc, 1); - BufferArg buf(p->getSyscallArg(tc, 0), size); + int index; + Addr bufPtr = p->getSyscallArg(tc, index); + unsigned long size = p->getSyscallArg(tc, index); + BufferArg buf(bufPtr, size); // Is current working directory defined? string cwd = p->getcwd(); @@ -320,14 +338,17 @@ readlinkFunc(SyscallDesc *desc, int num, LiveProcess *p, ThreadContext *tc) { string path; - if (!tc->getMemPort()->tryReadString(path, p->getSyscallArg(tc, 0))) + int index = 0; + if (!tc->getMemPort()->tryReadString(path, p->getSyscallArg(tc, index))) return (TheISA::IntReg)-EFAULT; // Adjust path for current working directory path = p->fullPath(path); - size_t bufsiz = p->getSyscallArg(tc, 2); - BufferArg buf(p->getSyscallArg(tc, 1), bufsiz); + Addr bufPtr = p->getSyscallArg(tc, index); + size_t bufsiz = p->getSyscallArg(tc, index); + + BufferArg buf(bufPtr, bufsiz); int result = readlink(path.c_str(), (char *)buf.bufferPtr(), bufsiz); @@ -341,7 +362,8 @@ unlinkFunc(SyscallDesc *desc, int num, LiveProcess *p, ThreadContext *tc) { string path; - if (!tc->getMemPort()->tryReadString(path, p->getSyscallArg(tc, 0))) + int index = 0; + if (!tc->getMemPort()->tryReadString(path, p->getSyscallArg(tc, index))) return (TheISA::IntReg)-EFAULT; // Adjust path for current working directory @@ -357,13 +379,14 @@ mkdirFunc(SyscallDesc *desc, int num, LiveProcess *p, ThreadContext *tc) { string path; - if (!tc->getMemPort()->tryReadString(path, p->getSyscallArg(tc, 0))) + int index = 0; + if (!tc->getMemPort()->tryReadString(path, p->getSyscallArg(tc, index))) return (TheISA::IntReg)-EFAULT; // Adjust path for current working directory path = p->fullPath(path); - mode_t mode = p->getSyscallArg(tc, 1); + mode_t mode = p->getSyscallArg(tc, index); int result = mkdir(path.c_str(), mode); return (result == -1) ? -errno : result; @@ -374,12 +397,13 @@ renameFunc(SyscallDesc *desc, int num, LiveProcess *p, ThreadContext *tc) { string old_name; - if (!tc->getMemPort()->tryReadString(old_name, p->getSyscallArg(tc, 0))) + int index = 0; + if (!tc->getMemPort()->tryReadString(old_name, p->getSyscallArg(tc, index))) return -EFAULT; string new_name; - if (!tc->getMemPort()->tryReadString(new_name, p->getSyscallArg(tc, 1))) + if (!tc->getMemPort()->tryReadString(new_name, p->getSyscallArg(tc, index))) return -EFAULT; // Adjust path for current working directory @@ -395,10 +419,11 @@ truncateFunc(SyscallDesc *desc, int num, LiveProcess *p, ThreadContext *tc) { string path; - if (!tc->getMemPort()->tryReadString(path, p->getSyscallArg(tc, 0))) + int index = 0; + if (!tc->getMemPort()->tryReadString(path, p->getSyscallArg(tc, index))) return -EFAULT; - off_t length = p->getSyscallArg(tc, 1); + off_t length = p->getSyscallArg(tc, index); // Adjust path for current working directory path = p->fullPath(path); @@ -411,12 +436,13 @@ SyscallReturn ftruncateFunc(SyscallDesc *desc, int num, LiveProcess *process, ThreadContext *tc) { - int fd = process->sim_fd(process->getSyscallArg(tc, 0)); + int index = 0; + int fd = process->sim_fd(process->getSyscallArg(tc, index)); if (fd < 0) return -EBADF; - off_t length = process->getSyscallArg(tc, 1); + off_t length = process->getSyscallArg(tc, index); int result = ftruncate(fd, length); return (result == -1) ? -errno : result; @@ -426,13 +452,13 @@ SyscallReturn ftruncate64Func(SyscallDesc *desc, int num, LiveProcess *process, ThreadContext *tc) { - int fd = process->sim_fd(process->getSyscallArg(tc, 0)); + int index = 0; + int fd = process->sim_fd(process->getSyscallArg(tc, index)); if (fd < 0) return -EBADF; - // I'm not sure why, but the length argument is in arg reg 3 - loff_t length = process->getSyscallArg(tc, 3); + loff_t length = process->getSyscallArg(tc, index, 64); int result = ftruncate64(fd, length); return (result == -1) ? -errno : result; @@ -454,13 +480,14 @@ chownFunc(SyscallDesc *desc, int num, LiveProcess *p, ThreadContext *tc) { string path; - if (!tc->getMemPort()->tryReadString(path, p->getSyscallArg(tc, 0))) + int index = 0; + if (!tc->getMemPort()->tryReadString(path, p->getSyscallArg(tc, index))) return -EFAULT; /* XXX endianess */ - uint32_t owner = p->getSyscallArg(tc, 1); + uint32_t owner = p->getSyscallArg(tc, index); uid_t hostOwner = owner; - uint32_t group = p->getSyscallArg(tc, 2); + uint32_t group = p->getSyscallArg(tc, index); gid_t hostGroup = group; // Adjust path for current working directory @@ -473,15 +500,16 @@ chownFunc(SyscallDesc *desc, int num, LiveProcess *p, ThreadContext *tc) SyscallReturn fchownFunc(SyscallDesc *desc, int num, LiveProcess *process, ThreadContext *tc) { - int fd = process->sim_fd(process->getSyscallArg(tc, 0)); + int index = 0; + int fd = process->sim_fd(process->getSyscallArg(tc, index)); if (fd < 0) return -EBADF; /* XXX endianess */ - uint32_t owner = process->getSyscallArg(tc, 1); + uint32_t owner = process->getSyscallArg(tc, index); uid_t hostOwner = owner; - uint32_t group = process->getSyscallArg(tc, 2); + uint32_t group = process->getSyscallArg(tc, index); gid_t hostGroup = group; int result = fchown(fd, hostOwner, hostGroup); @@ -492,11 +520,12 @@ fchownFunc(SyscallDesc *desc, int num, LiveProcess *process, ThreadContext *tc) SyscallReturn dupFunc(SyscallDesc *desc, int num, LiveProcess *process, ThreadContext *tc) { - int fd = process->sim_fd(process->getSyscallArg(tc, 0)); + int index = 0; + int fd = process->sim_fd(process->getSyscallArg(tc, index)); if (fd < 0) return -EBADF; - Process::FdMap *fdo = process->sim_fd_obj(process->getSyscallArg(tc, 0)); + Process::FdMap *fdo = process->sim_fd_obj(fd); int result = dup(fd); return (result == -1) ? -errno : @@ -508,12 +537,13 @@ SyscallReturn fcntlFunc(SyscallDesc *desc, int num, LiveProcess *process, ThreadContext *tc) { - int fd = process->getSyscallArg(tc, 0); + int index = 0; + int fd = process->getSyscallArg(tc, index); if (fd < 0 || process->sim_fd(fd) < 0) return -EBADF; - int cmd = process->getSyscallArg(tc, 1); + int cmd = process->getSyscallArg(tc, index); switch (cmd) { case 0: // F_DUPFD // if we really wanted to support this, we'd need to do it @@ -550,12 +580,13 @@ SyscallReturn fcntl64Func(SyscallDesc *desc, int num, LiveProcess *process, ThreadContext *tc) { - int fd = process->getSyscallArg(tc, 0); + int index = 0; + int fd = process->getSyscallArg(tc, index); if (fd < 0 || process->sim_fd(fd) < 0) return -EBADF; - int cmd = process->getSyscallArg(tc, 1); + int cmd = process->getSyscallArg(tc, index); switch (cmd) { case 33: //F_GETLK64 warn("fcntl64(%d, F_GETLK64) not supported, error returned\n", fd); @@ -639,7 +670,8 @@ setuidFunc(SyscallDesc *desc, int callnum, LiveProcess *process, ThreadContext *tc) { // can't fathom why a benchmark would call this. - warn("Ignoring call to setuid(%d)\n", process->getSyscallArg(tc, 0)); + int index = 0; + warn("Ignoring call to setuid(%d)\n", process->getSyscallArg(tc, index)); return 0; } @@ -695,17 +727,20 @@ SyscallReturn cloneFunc(SyscallDesc *desc, int callnum, LiveProcess *process, ThreadContext *tc) { + int index = 0; + IntReg flags = process->getSyscallArg(tc, index); + IntReg newStack = process->getSyscallArg(tc, index); + DPRINTF(SyscallVerbose, "In sys_clone:\n"); - DPRINTF(SyscallVerbose, " Flags=%llx\n", process->getSyscallArg(tc, 0)); - DPRINTF(SyscallVerbose, " Child stack=%llx\n", - process->getSyscallArg(tc, 1)); + DPRINTF(SyscallVerbose, " Flags=%llx\n", flags); + DPRINTF(SyscallVerbose, " Child stack=%llx\n", newStack); - if (process->getSyscallArg(tc, 0) != 0x10f00) { + if (flags != 0x10f00) { warn("This sys_clone implementation assumes flags " "CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD " "(0x10f00), and may not work correctly with given flags " - "0x%llx\n", process->getSyscallArg(tc, 0)); + "0x%llx\n", flags); } ThreadContext* ctc; // child thread context @@ -738,7 +773,7 @@ cloneFunc(SyscallDesc *desc, int callnum, LiveProcess *process, #endif // Set up stack register - ctc->setIntReg(TheISA::StackPointerReg, process->getSyscallArg(tc, 1)); + ctc->setIntReg(TheISA::StackPointerReg, newStack); // Set up syscall return values in parent and child ctc->setIntReg(ReturnValueReg, 0); // return value, child diff --git a/src/sim/syscall_emul.hh b/src/sim/syscall_emul.hh index 0c51c7dec..8fe53e266 100644 --- a/src/sim/syscall_emul.hh +++ b/src/sim/syscall_emul.hh @@ -481,8 +481,9 @@ SyscallReturn ioctlFunc(SyscallDesc *desc, int callnum, LiveProcess *process, ThreadContext *tc) { - int fd = process->getSyscallArg(tc, 0); - unsigned req = process->getSyscallArg(tc, 1); + int index = 0; + int fd = process->getSyscallArg(tc, index); + unsigned req = process->getSyscallArg(tc, index); DPRINTF(SyscallVerbose, "ioctl(%d, 0x%x, ...)\n", fd, req); @@ -517,7 +518,9 @@ openFunc(SyscallDesc *desc, int callnum, LiveProcess *process, { std::string path; - if (!tc->getMemPort()->tryReadString(path, process->getSyscallArg(tc, 0))) + int index = 0; + if (!tc->getMemPort()->tryReadString(path, + process->getSyscallArg(tc, index))) return -EFAULT; if (path == "/dev/sysdev0") { @@ -527,8 +530,8 @@ openFunc(SyscallDesc *desc, int callnum, LiveProcess *process, return -ENOENT; } - int tgtFlags = process->getSyscallArg(tc, 1); - int mode = process->getSyscallArg(tc, 2); + int tgtFlags = process->getSyscallArg(tc, index); + int mode = process->getSyscallArg(tc, index); int hostFlags = 0; // translate open flags @@ -573,14 +576,16 @@ sysinfoFunc(SyscallDesc *desc, int callnum, LiveProcess *process, ThreadContext *tc) { - TypedBufferArg<typename OS::tgt_sysinfo> sysinfo(process->getSyscallArg(tc, 0)); + int index = 0; + TypedBufferArg<typename OS::tgt_sysinfo> + sysinfo(process->getSyscallArg(tc, index)); - sysinfo->uptime=seconds_since_epoch; - sysinfo->totalram=process->system->memSize(); + sysinfo->uptime=seconds_since_epoch; + sysinfo->totalram=process->system->memSize(); - sysinfo.copyOut(tc->getMemPort()); + sysinfo.copyOut(tc->getMemPort()); - return 0; + return 0; } /// Target chmod() handler. @@ -591,10 +596,13 @@ chmodFunc(SyscallDesc *desc, int callnum, LiveProcess *process, { std::string path; - if (!tc->getMemPort()->tryReadString(path, process->getSyscallArg(tc, 0))) + int index = 0; + if (!tc->getMemPort()->tryReadString(path, + process->getSyscallArg(tc, index))) { return -EFAULT; + } - uint32_t mode = process->getSyscallArg(tc, 1); + uint32_t mode = process->getSyscallArg(tc, index); mode_t hostMode = 0; // XXX translate mode flags via OS::something??? @@ -618,13 +626,14 @@ SyscallReturn fchmodFunc(SyscallDesc *desc, int callnum, LiveProcess *process, ThreadContext *tc) { - int fd = process->getSyscallArg(tc, 0); + int index = 0; + int fd = process->getSyscallArg(tc, index); if (fd < 0 || process->sim_fd(fd) < 0) { // doesn't map to any simulator fd: not a valid target fd return -EBADF; } - uint32_t mode = process->getSyscallArg(tc, 1); + uint32_t mode = process->getSyscallArg(tc, index); mode_t hostMode = 0; // XXX translate mode flags via OS::someting??? @@ -643,10 +652,11 @@ template <class OS> SyscallReturn mremapFunc(SyscallDesc *desc, int callnum, LiveProcess *process, ThreadContext *tc) { - Addr start = process->getSyscallArg(tc, 0); - uint64_t old_length = process->getSyscallArg(tc, 1); - uint64_t new_length = process->getSyscallArg(tc, 2); - uint64_t flags = process->getSyscallArg(tc, 3); + int index = 0; + Addr start = process->getSyscallArg(tc, index); + uint64_t old_length = process->getSyscallArg(tc, index); + uint64_t new_length = process->getSyscallArg(tc, index); + uint64_t flags = process->getSyscallArg(tc, index); if ((start % TheISA::VMPageSize != 0) || (new_length % TheISA::VMPageSize != 0)) { @@ -692,8 +702,12 @@ statFunc(SyscallDesc *desc, int callnum, LiveProcess *process, { std::string path; - if (!tc->getMemPort()->tryReadString(path, process->getSyscallArg(tc, 0))) - return -EFAULT; + int index = 0; + if (!tc->getMemPort()->tryReadString(path, + process->getSyscallArg(tc, index))) { + return -EFAULT; + } + Addr bufPtr = process->getSyscallArg(tc, index); // Adjust path for current working directory path = process->fullPath(path); @@ -704,8 +718,7 @@ statFunc(SyscallDesc *desc, int callnum, LiveProcess *process, if (result < 0) return -errno; - copyOutStatBuf<OS>(tc->getMemPort(), process->getSyscallArg(tc, 1), - &hostBuf); + copyOutStatBuf<OS>(tc->getMemPort(), bufPtr, &hostBuf); return 0; } @@ -719,8 +732,11 @@ stat64Func(SyscallDesc *desc, int callnum, LiveProcess *process, { std::string path; - if (!tc->getMemPort()->tryReadString(path, process->getSyscallArg(tc, 0))) + int index = 0; + if (!tc->getMemPort()->tryReadString(path, + process->getSyscallArg(tc, index))) return -EFAULT; + Addr bufPtr = process->getSyscallArg(tc, index); // Adjust path for current working directory path = process->fullPath(path); @@ -736,8 +752,7 @@ stat64Func(SyscallDesc *desc, int callnum, LiveProcess *process, if (result < 0) return -errno; - copyOutStat64Buf<OS>(tc->getMemPort(), process->getSyscallArg(tc, 1), - &hostBuf); + copyOutStat64Buf<OS>(tc->getMemPort(), bufPtr, &hostBuf); return 0; } @@ -749,7 +764,9 @@ SyscallReturn fstat64Func(SyscallDesc *desc, int callnum, LiveProcess *process, ThreadContext *tc) { - int fd = process->getSyscallArg(tc, 0); + int index = 0; + int fd = process->getSyscallArg(tc, index); + Addr bufPtr = process->getSyscallArg(tc, index); if (fd < 0 || process->sim_fd(fd) < 0) { // doesn't map to any simulator fd: not a valid target fd return -EBADF; @@ -766,8 +783,7 @@ fstat64Func(SyscallDesc *desc, int callnum, LiveProcess *process, if (result < 0) return -errno; - copyOutStat64Buf<OS>(tc->getMemPort(), process->getSyscallArg(tc, 1), - &hostBuf, (fd == 1)); + copyOutStat64Buf<OS>(tc->getMemPort(), bufPtr, &hostBuf, (fd == 1)); return 0; } @@ -781,8 +797,12 @@ lstatFunc(SyscallDesc *desc, int callnum, LiveProcess *process, { std::string path; - if (!tc->getMemPort()->tryReadString(path, process->getSyscallArg(tc, 0))) - return -EFAULT; + int index = 0; + if (!tc->getMemPort()->tryReadString(path, + process->getSyscallArg(tc, index))) { + return -EFAULT; + } + Addr bufPtr = process->getSyscallArg(tc, index); // Adjust path for current working directory path = process->fullPath(path); @@ -793,8 +813,7 @@ lstatFunc(SyscallDesc *desc, int callnum, LiveProcess *process, if (result < 0) return -errno; - copyOutStatBuf<OS>(tc->getMemPort(), process->getSyscallArg(tc, 1), - &hostBuf); + copyOutStatBuf<OS>(tc->getMemPort(), bufPtr, &hostBuf); return 0; } @@ -807,8 +826,12 @@ lstat64Func(SyscallDesc *desc, int callnum, LiveProcess *process, { std::string path; - if (!tc->getMemPort()->tryReadString(path, process->getSyscallArg(tc, 0))) - return -EFAULT; + int index = 0; + if (!tc->getMemPort()->tryReadString(path, + process->getSyscallArg(tc, index))) { + return -EFAULT; + } + Addr bufPtr = process->getSyscallArg(tc, index); // Adjust path for current working directory path = process->fullPath(path); @@ -824,8 +847,7 @@ lstat64Func(SyscallDesc *desc, int callnum, LiveProcess *process, if (result < 0) return -errno; - copyOutStat64Buf<OS>(tc->getMemPort(), process->getSyscallArg(tc, 1), - &hostBuf); + copyOutStat64Buf<OS>(tc->getMemPort(), bufPtr, &hostBuf); return 0; } @@ -836,7 +858,9 @@ SyscallReturn fstatFunc(SyscallDesc *desc, int callnum, LiveProcess *process, ThreadContext *tc) { - int fd = process->sim_fd(process->getSyscallArg(tc, 0)); + int index = 0; + int fd = process->sim_fd(process->getSyscallArg(tc, index)); + Addr bufPtr = process->getSyscallArg(tc, index); DPRINTF(SyscallVerbose, "fstat(%d, ...)\n", fd); @@ -849,8 +873,7 @@ fstatFunc(SyscallDesc *desc, int callnum, LiveProcess *process, if (result < 0) return -errno; - copyOutStatBuf<OS>(tc->getMemPort(), process->getSyscallArg(tc, 1), - &hostBuf, (fd == 1)); + copyOutStatBuf<OS>(tc->getMemPort(), bufPtr, &hostBuf, (fd == 1)); return 0; } @@ -864,8 +887,12 @@ statfsFunc(SyscallDesc *desc, int callnum, LiveProcess *process, { std::string path; - if (!tc->getMemPort()->tryReadString(path, process->getSyscallArg(tc, 0))) - return -EFAULT; + int index = 0; + if (!tc->getMemPort()->tryReadString(path, + process->getSyscallArg(tc, index))) { + return -EFAULT; + } + Addr bufPtr = process->getSyscallArg(tc, index); // Adjust path for current working directory path = process->fullPath(path); @@ -876,8 +903,7 @@ statfsFunc(SyscallDesc *desc, int callnum, LiveProcess *process, if (result < 0) return -errno; - OS::copyOutStatfsBuf(tc->getMemPort(), - (Addr)(process->getSyscallArg(tc, 1)), &hostBuf); + OS::copyOutStatfsBuf(tc->getMemPort(), bufPtr, &hostBuf); return 0; } @@ -889,7 +915,9 @@ SyscallReturn fstatfsFunc(SyscallDesc *desc, int callnum, LiveProcess *process, ThreadContext *tc) { - int fd = process->sim_fd(process->getSyscallArg(tc, 0)); + int index = 0; + int fd = process->sim_fd(process->getSyscallArg(tc, index)); + Addr bufPtr = process->getSyscallArg(tc, index); if (fd < 0) return -EBADF; @@ -900,8 +928,7 @@ fstatfsFunc(SyscallDesc *desc, int callnum, LiveProcess *process, if (result < 0) return -errno; - OS::copyOutStatfsBuf(tc->getMemPort(), process->getSyscallArg(tc, 1), - &hostBuf); + OS::copyOutStatfsBuf(tc->getMemPort(), bufPtr, &hostBuf); return 0; } @@ -913,15 +940,16 @@ SyscallReturn writevFunc(SyscallDesc *desc, int callnum, LiveProcess *process, ThreadContext *tc) { - int fd = process->getSyscallArg(tc, 0); + int index = 0; + int fd = process->getSyscallArg(tc, index); if (fd < 0 || process->sim_fd(fd) < 0) { // doesn't map to any simulator fd: not a valid target fd return -EBADF; } TranslatingPort *p = tc->getMemPort(); - uint64_t tiov_base = process->getSyscallArg(tc, 1); - size_t count = process->getSyscallArg(tc, 2); + uint64_t tiov_base = process->getSyscallArg(tc, index); + size_t count = process->getSyscallArg(tc, index); struct iovec hiov[count]; for (size_t i = 0; i < count; ++i) { typename OS::tgt_iovec tiov; @@ -962,12 +990,13 @@ template <class OS> SyscallReturn mmapFunc(SyscallDesc *desc, int num, LiveProcess *p, ThreadContext *tc) { - Addr start = p->getSyscallArg(tc, 0); - uint64_t length = p->getSyscallArg(tc, 1); - // int prot = p->getSyscallArg(tc, 2); - int flags = p->getSyscallArg(tc, 3); - // int fd = p->sim_fd(p->getSyscallArg(tc, 4)); - // int offset = p->getSyscallArg(tc, 5); + int index = 0; + Addr start = p->getSyscallArg(tc, index); + uint64_t length = p->getSyscallArg(tc, index); + index++; // int prot = p->getSyscallArg(tc, index); + int flags = p->getSyscallArg(tc, index); + int fd = p->sim_fd(p->getSyscallArg(tc, index)); + // int offset = p->getSyscallArg(tc, index); if ((start % TheISA::VMPageSize) != 0 || @@ -995,7 +1024,7 @@ mmapFunc(SyscallDesc *desc, int num, LiveProcess *p, ThreadContext *tc) if (!(flags & OS::TGT_MAP_ANONYMOUS)) { warn("allowing mmap of file @ fd %d. " - "This will break if not /dev/zero.", p->getSyscallArg(tc, 4)); + "This will break if not /dev/zero.", fd); } return start; @@ -1007,8 +1036,9 @@ SyscallReturn getrlimitFunc(SyscallDesc *desc, int callnum, LiveProcess *process, ThreadContext *tc) { - unsigned resource = process->getSyscallArg(tc, 0); - TypedBufferArg<typename OS::rlimit> rlp(process->getSyscallArg(tc, 1)); + int index = 0; + unsigned resource = process->getSyscallArg(tc, index); + TypedBufferArg<typename OS::rlimit> rlp(process->getSyscallArg(tc, index)); switch (resource) { case OS::TGT_RLIMIT_STACK: @@ -1042,7 +1072,8 @@ SyscallReturn gettimeofdayFunc(SyscallDesc *desc, int callnum, LiveProcess *process, ThreadContext *tc) { - TypedBufferArg<typename OS::timeval> tp(process->getSyscallArg(tc, 0)); + int index = 0; + TypedBufferArg<typename OS::timeval> tp(process->getSyscallArg(tc, index)); getElapsedTime(tp->tv_sec, tp->tv_usec); tp->tv_sec += seconds_since_epoch; @@ -1063,10 +1094,14 @@ utimesFunc(SyscallDesc *desc, int callnum, LiveProcess *process, { std::string path; - if (!tc->getMemPort()->tryReadString(path, process->getSyscallArg(tc, 0))) - return -EFAULT; + int index = 0; + if (!tc->getMemPort()->tryReadString(path, + process->getSyscallArg(tc, index))) { + return -EFAULT; + } - TypedBufferArg<typename OS::timeval [2]> tp(process->getSyscallArg(tc, 1)); + TypedBufferArg<typename OS::timeval [2]> + tp(process->getSyscallArg(tc, index)); tp.copyIn(tc->getMemPort()); struct timeval hostTimeval[2]; @@ -1092,8 +1127,9 @@ SyscallReturn getrusageFunc(SyscallDesc *desc, int callnum, LiveProcess *process, ThreadContext *tc) { - int who = process->getSyscallArg(tc, 0); // THREAD, SELF, or CHILDREN - TypedBufferArg<typename OS::rusage> rup(process->getSyscallArg(tc, 1)); + int index = 0; + int who = process->getSyscallArg(tc, index); // THREAD, SELF, or CHILDREN + TypedBufferArg<typename OS::rusage> rup(process->getSyscallArg(tc, index)); rup->ru_utime.tv_sec = 0; rup->ru_utime.tv_usec = 0; @@ -1143,7 +1179,8 @@ SyscallReturn timesFunc(SyscallDesc *desc, int callnum, LiveProcess *process, ThreadContext *tc) { - TypedBufferArg<typename OS::tms> bufp(process->getSyscallArg(tc, 0)); + int index = 0; + TypedBufferArg<typename OS::tms> bufp(process->getSyscallArg(tc, index)); // Fill in the time structure (in clocks) int64_t clocks = curTick * OS::_SC_CLK_TCK / Clock::Int::s; @@ -1172,7 +1209,8 @@ timeFunc(SyscallDesc *desc, int callnum, LiveProcess *process, getElapsedTime(sec, usec); sec += seconds_since_epoch; - Addr taddr = (Addr)process->getSyscallArg(tc, 0); + int index = 0; + Addr taddr = (Addr)process->getSyscallArg(tc, index); if(taddr != 0) { typename OS::time_t t = sec; t = htog(t); |