820e7d0b08
* mach/shortcut.awk: Ignore `weak_alias' lines. Reported by Alfred M. Szmidt <ams@gnu.org>.
51 lines
1.3 KiB
Awk
51 lines
1.3 KiB
Awk
# Icky intimate knowledge of MiG output.
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BEGIN { print "/* This file is generated by shortcut.awk. */";
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echo=1;
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inproto=0; proto=""; arglist="";
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}
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$1 == "LINTLIBRARY" { print "#include <mach.h>"; next }
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$1 == "weak_alias" { next }
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# Copy the first line of the definition, but
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# replace the function name (RPC) with CALL.
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$NF == rpc \
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{
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for (i = 1; i < NF; ++i) printf "%s ", $i;
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print call;
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next;
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}
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# Collect the lines of the prototype in PROTO, and extract the parameter
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# names into ARGLIST.
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NF == 1 && $1 == ")" { inproto=0 }
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inproto { proto = proto $0;
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arg = $NF;
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gsub(/[^a-zA-Z0-9_,]/, "", arg);
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arglist = arglist arg;
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}
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NF == 1 && $1 == "(" { inproto=1 }
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/^{$/ { echo=0; }
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echo == 1 { print $0; }
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/^}$/ && proto != "" \
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{
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print "{";
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print " kern_return_t err;";
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print " extern kern_return_t " syscall " (" proto ");";
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print " extern kern_return_t " rpc " (" proto ");";
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print " err = " syscall " (" arglist ");";
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print " if (err == MACH_SEND_INTERRUPTED)";
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print " err = " rpc " (" arglist ");";
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print " return err;"
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print "}";
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print "weak_alias (" call ", " alias ")";
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# Declare RPC so the weak_alias that follows will work.
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print "extern __typeof (" call ") " rpc ";";
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echo = 1;
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}
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