Did anyone ever import this code? If not, anyone see any reason not to?
On Wed, Jul 29, 2009 at 2:50 PM, Vince Weaver <vi...@csl.cornell.edu> wrote:
> Hello
>
> I'm trying to run gcc from spec2k under SPARC_SE and ran into a few
> unimplemented syscalls. Attached is a patch that enables getrlimit and
> getrusage and sets setrlimit to be ignored.
>
> The code is modeled on the Alpha code and seems to work. gcc.spec2k still
> doesn't work though. On expr it makes it about 1/3 the way through and
> then fails out due to an illegal memory access.
>
> Vince
>
>
> diff -r b35ef789e6f6 src/arch/sparc/linux/linux.hh
> --- a/src/arch/sparc/linux/linux.hh Wed Jul 29 00:35:49 2009 -0700
> +++ b/src/arch/sparc/linux/linux.hh Wed Jul 29 17:42:04 2009 -0400
> @@ -77,6 +77,31 @@
> static const int NUM_OPEN_FLAGS;
>
> static const unsigned TGT_MAP_ANONYMOUS = 0x20;
> +
> + //@{
> + /// For getrusage().
> + static const int TGT_RUSAGE_SELF = 0;
> + static const int TGT_RUSAGE_CHILDREN = -1;
> + static const int TGT_RUSAGE_BOTH = -2;
> + //@}
> +
> + /// Resource enumeration for getrlimit().
> + enum rlimit_resources {
> + TGT_RLIMIT_CPU = 0,
> + TGT_RLIMIT_FSIZE = 1,
> + TGT_RLIMIT_DATA = 2,
> + TGT_RLIMIT_STACK = 3,
> + TGT_RLIMIT_CORE = 4,
> + TGT_RLIMIT_RSS = 5,
> + TGT_RLIMIT_NOFILE = 6,
> + TGT_RLIMIT_AS = 7,
> + TGT_RLIMIT_VMEM = 7,
> + TGT_RLIMIT_NPROC = 8,
> + TGT_RLIMIT_MEMLOCK = 9,
> + TGT_RLIMIT_LOCKS = 10
> + };
> +
> +
> };
>
> class Sparc32Linux : public SparcLinux
> diff -r b35ef789e6f6 src/arch/sparc/linux/syscalls.cc
> --- a/src/arch/sparc/linux/syscalls.cc Wed Jul 29 00:35:49 2009 -0700
> +++ b/src/arch/sparc/linux/syscalls.cc Wed Jul 29 17:42:04 2009 -0400
> @@ -31,6 +31,9 @@
> #include "arch/sparc/linux/process.hh"
> #include "sim/syscall_emul.hh"
>
> +using namespace std;
> +using namespace SparcISA;
> +
> class LiveProcess;
> class ThreadContext;
>
> @@ -205,7 +208,7 @@
> /* 114 */ SyscallDesc("sendmsg", unimplementedFunc),
> /* 115 */ SyscallDesc("getgroups32", unimplementedFunc), //32 bit
> /* 116 */ SyscallDesc("gettimeofday", gettimeofdayFunc<Sparc32Linux>),
> //32 bit
> - /* 117 */ SyscallDesc("getrusage", unimplementedFunc), //32 bit
> + /* 117 */ SyscallDesc("getrusage", getrusageFunc<Sparc32Linux>), //32 bit
> /* 118 */ SyscallDesc("getsockopt", unimplementedFunc),
> /* 119 */ SyscallDesc("getcwd", getcwdFunc),
> /* 120 */ SyscallDesc("readv", unimplementedFunc),
> @@ -232,8 +235,8 @@
> /* 141 */ SyscallDesc("getpeername", unimplementedFunc),
> /* 142 */ SyscallDesc("futex", unimplementedFunc), //32 bit
> /* 143 */ SyscallDesc("gettid", unimplementedFunc),
> - /* 144 */ SyscallDesc("getrlimit", unimplementedFunc),
> - /* 145 */ SyscallDesc("setrlimit", unimplementedFunc),
> + /* 144 */ SyscallDesc("getrlimit", getrlimitFunc<Sparc32Linux>),
> + /* 145 */ SyscallDesc("setrlimit", ignoreFunc),
> /* 146 */ SyscallDesc("pivot_root", unimplementedFunc),
> /* 147 */ SyscallDesc("prctl", unimplementedFunc), //32 bit
> /* 148 */ SyscallDesc("pciconfig_read", unimplementedFunc),
> @@ -511,7 +514,7 @@
> /* 114 */ SyscallDesc("sendmsg", unimplementedFunc),
> /* 115 */ SyscallDesc("getgroups32", unimplementedFunc),
> /* 116 */ SyscallDesc("gettimeofday", gettimeofdayFunc<SparcLinux>),
> - /* 117 */ SyscallDesc("getrusage", unimplementedFunc),
> + /* 117 */ SyscallDesc("getrusage", getrusageFunc<SparcLinux>),
> /* 118 */ SyscallDesc("getsockopt", unimplementedFunc),
> /* 119 */ SyscallDesc("getcwd", unimplementedFunc),
> /* 120 */ SyscallDesc("readv", unimplementedFunc),
> @@ -538,7 +541,7 @@
> /* 141 */ SyscallDesc("getpeername", unimplementedFunc),
> /* 142 */ SyscallDesc("futex", unimplementedFunc),
> /* 143 */ SyscallDesc("gettid", unimplementedFunc),
> - /* 144 */ SyscallDesc("getrlimit", unimplementedFunc),
> + /* 144 */ SyscallDesc("getrlimit", getrlimitFunc<SparcLinux>),
> /* 145 */ SyscallDesc("setrlimit", unimplementedFunc),
> /* 146 */ SyscallDesc("pivot_root", unimplementedFunc),
> /* 147 */ SyscallDesc("prctl", unimplementedFunc),
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