[GDB] Hurd: Simplify the reply_mig_hack.awk script.
gdb/ * reply_mig_hack.awk: Don't bother to declare an intermediate function pointer variable. ... allowing us to simplify the parsing a little bit. And, instead of "warning: initialization from incompatible pointer type", we now get "warning: function called through a non-compatible type". Oh well.
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2 changed files with 21 additions and 9 deletions
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@ -1,3 +1,8 @@
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2015-04-20 Thomas Schwinge <thomas@codesourcery.com>
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* reply_mig_hack.awk: Don't bother to declare an intermediate
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function pointer variable.
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2015-04-17 Doug Evans <dje@google.com>
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* solib-svr4.c (svr4_exec_displacement): Rename outer "displacement"
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@ -60,7 +60,7 @@ parse_phase == 3 && /}/ {
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print; next;
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}
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parse_phase == 3 {
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parse_phase == 3 && num_args == 0 {
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# The type field for an argument.
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arg_type_code_name[num_args] = $2;
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sub (/;$/, "", arg_type_code_name[num_args]) # Get rid of the semi-colon
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@ -68,11 +68,22 @@ parse_phase == 3 {
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print; next;
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}
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parse_phase == 3 && num_args == 1 {
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# We've got more than one argument (but we don't care what it is).
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num_args++;
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print; next;
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}
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parse_phase == 3 {
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# We've know everything we need; now just wait for the end of the Request
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# struct.
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print; next;
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}
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parse_phase == 4 {
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# The value field for an argument.
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arg_name[num_args] = $2;
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sub (/;$/, "", arg_name[num_args]) # Get rid of the semi-colon
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arg_type[num_args] = $1;
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num_args++;
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parse_phase = 3;
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print; next;
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@ -109,15 +120,11 @@ parse_phase == 5 && /^#if[ \t]TypeCheck/ {
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print "\t && In0P->" arg_name[0] " != 0)";
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print "\t /* Error return, only the error code argument is passed. */";
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print "\t {";
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# Force the function into a type that only takes the first two args, via
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# the temp variable SFUN (is there another way to correctly do this cast?).
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# Force the function user_function_name into a type that only takes the first
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# two arguments.
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# This is possibly bogus, but easier than supplying bogus values for all
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# the other args (we can't just pass 0 for them, as they might not be scalar).
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printf ("\t kern_return_t (*sfun)(mach_port_t");
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for (i = 0; i < num_args; i++)
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printf (", %s", arg_type[i]);
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printf (") = %s;\n", user_function_name);
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print "\t OutP->RetCode = (*(kern_return_t (*)(mach_port_t, kern_return_t))sfun) (In0P->Head.msgh_request_port, In0P->" arg_name[0] ");";
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print "\t OutP->RetCode = (*(kern_return_t (*)(mach_port_t, kern_return_t)) " user_function_name ") (In0P->Head.msgh_request_port, In0P->" arg_name[0] ");";
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print "\t return;";
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print "\t }";
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print "";
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