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Fix emulator argument processing for unknown DTM arguments (#498) 

Revision 7e79421 (issue #484) makes emulator.cc rejecting any unrecognized
+arg "legacy" arguments, however, this breaks riscv-torture emulator tests
as it needs to pass +signature to the DTM.

I think it is actually impossible to check for unknown argument here
unless we hardcode a list of all arguments recognized by fesrv. Fix this
issue by passing all arguments starting with the first unknown argument
to DTM.

Updates #484.

Signed-off-by: Minux Ma <minux.ma@gmail.com>
This commit is contained in:
Minux Ma 2017-01-16 16:42:45 -05:00 committed by Henry Cook
parent 8157cf1ede
commit 622e311962
1 changed files with 2 additions and 7 deletions
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9
csrc/emulator.cc
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@ -118,10 +118,6 @@ int main(int argc, char** argv)
// we've hit the binary. The binary is expected to be a
// non-option and not start with '-' or '+'.
case 1: {
if (optarg[0] != '+') {
to_dtm.push_back(optarg);
goto done_processing;
}
std::string arg = optarg;
if (arg == "+verbose")
verbose = true;
@ -134,9 +130,8 @@ int main(int argc, char** argv)
else if (arg.substr(0, 12) == "+cycle-count")
print_cycles = true;
else {
fprintf(stderr, "%s: unrecognized option '%s'\n", argv[0], optarg);
usage(argv[0]);
return 1;
to_dtm.push_back(optarg);
goto done_processing;
}
break;
}