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mach/shortcut.awk
52 строки
1 KB
Samuel Thibault
hurd: Avoid PLT references to shortcuts
16 июн 2018, 03:48
16 июн 2018, 03:48
c1b7586
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# Icky intimate knowledge of MiG output. BEGIN { print "/* This file is generated by shortcut.awk. */"; print "#include <mach-shortcuts-hidden.h>"; echo=1; inproto=0; proto=""; arglist=""; } $1 == "LINTLIBRARY" { print "#include <mach.h>"; next } $1 == "weak_alias" { next } # Copy the first line of the definition, but # replace the function name (RPC) with CALL. $NF == rpc \ { for (i = 1; i < NF; ++i) printf "%s ", $i; print call; next; } # Collect the lines of the prototype in PROTO, and extract the parameter # names into ARGLIST. NF == 1 && $1 == ")" { inproto=0 } inproto { proto = proto $0; arg = $NF; gsub(/[^a-zA-Z0-9_,]/, "", arg); arglist = arglist arg; } NF == 1 && $1 == "(" { inproto=1 } /^{$/ { echo=0; } echo == 1 { print $0; } /^}$/ && proto != "" \ { print "{"; print " kern_return_t err;"; print " extern kern_return_t " syscall " (" proto ");"; print " extern kern_return_t " rpc " (" proto ");"; print " err = " syscall " (" arglist ");"; print " if (err == MACH_SEND_INTERRUPTED)"; print " err = " rpc " (" arglist ");"; print " return err;" print "}"; print "weak_alias (" call ", " alias ")"; print "libc_hidden_def (" call ")"; # Declare RPC so the weak_alias that follows will work. print "extern __typeof (" call ") " rpc ";"; echo = 1; }