]> git.saurik.com Git - apple/xnu.git/blobdiff - bsd/kern/makesyscalls.sh
xnu-1504.9.26.tar.gz
[apple/xnu.git] / bsd / kern / makesyscalls.sh
index a6f88584d1fe345bb0370b9e3fb9ffcb49916cfb..d8b11ba6c22708e25c8f520d9c0688cf04b2c7fd 100755 (executable)
@@ -2,7 +2,7 @@
 #      @(#)makesyscalls.sh     8.1 (Berkeley) 6/10/93
 # $FreeBSD: src/sys/kern/makesyscalls.sh,v 1.60 2003/04/01 01:12:24 jeff Exp $
 #
-# Copyright (c) 2004-2007 Apple Inc. All rights reserved.
+# Copyright (c) 2004-2008 Apple Inc. All rights reserved.
 #
 # @APPLE_OSREFERENCE_LICENSE_HEADER_START@
 # 
 
 set -e
 
+input_file="" # first argument
+
+# output type:
+output_syscallnamesfile=0
+output_sysprotofile=0
+output_syshdrfile=0
+output_syscalltablefile=0
+output_auditevfile=0
+
 # output files:
 syscallnamesfile="syscalls.c"
-sysprotofile="../sys/sysproto.h"
+sysprotofile="sysproto.h"
 sysproto_h=_SYS_SYSPROTO_H_
-syshdrfile="../sys/syscall.h"
+syshdrfile="syscall.h"
 syscall_h=_SYS_SYSCALL_H_
 syscalltablefile="init_sysent.c"
+auditevfile="audit_kevents.c"
 syscallprefix="SYS_"
 switchname="sysent"
 namesname="syscallnames"
@@ -45,21 +55,55 @@ sysarg="sysarg.switch.$$"
 sysprotoend="sysprotoend.$$"
 syscallnamestempfile="syscallnamesfile.$$"
 syshdrtempfile="syshdrtempfile.$$"
+audittempfile="audittempfile.$$"
 
-trap "rm $syslegal $sysent $sysinc $sysarg $sysprotoend $syscallnamestempfile $syshdrtempfile" 0
+trap "rm $syslegal $sysent $sysinc $sysarg $sysprotoend $syscallnamestempfile $syshdrtempfile $audittempfile" 0
 
-touch $syslegal $sysent $sysinc $sysarg $sysprotoend $syscallnamestempfile $syshdrtempfile
+touch $syslegal $sysent $sysinc $sysarg $sysprotoend $syscallnamestempfile $syshdrtempfile $audittempfile
 
 case $# in
-    0) echo "usage: $0 input-file <config-file>" 1>&2
+    0)
+       echo "usage: $0 input-file [<names|proto|header|table|audit> [<config-file>]]" 1>&2
        exit 1
        ;;
 esac
 
-if [ -n "$2" -a -f "$2" ]; then
-       . $2
+input_file="$1"
+shift
+
+if [ -n "$1" ]; then
+    case $1 in
+       names)
+           output_syscallnamesfile=1
+           ;;
+       proto)
+           output_sysprotofile=1
+           ;;
+       header)
+           output_syshdrfile=1
+           ;;
+       table)
+           output_syscalltablefile=1
+           ;;
+       audit)
+           output_auditevfile=1
+           ;;
+    esac
+    shift;
+else
+    output_syscallnamesfile=1
+    output_sysprotofile=1
+    output_syshdrfile=1
+    output_syscalltablefile=1
+    output_auditevfile=1
+fi
+
+if [ -n "$1" -a -f "$1" ]; then
+       . $1
 fi
 
+
+
 sed -e '
 s/\$//g
 :join
@@ -72,7 +116,7 @@ s/\$//g
 2,${
        /^#/!s/\([{}()*,;]\)/ \1 /g
 }
-' < $1 | awk "
+' < "$input_file" | awk "
        BEGIN {
                syslegal = \"$syslegal\"
                sysprotofile = \"$sysprotofile\"
@@ -87,14 +131,15 @@ s/\$//g
                syscallnamestempfile = \"$syscallnamestempfile\"
                syshdrfile = \"$syshdrfile\"
                syshdrtempfile = \"$syshdrtempfile\"
+               audittempfile = \"$audittempfile\"
                syscallprefix = \"$syscallprefix\"
                switchname = \"$switchname\"
                namesname = \"$namesname\"
-               infile = \"$1\"
+               infile = \"$input_file\"
                "'
 
                printf "/*\n" > syslegal
-               printf " * Copyright (c) 2004-2007 Apple Inc. All rights reserved.\n" > syslegal
+               printf " * Copyright (c) 2004-2008 Apple Inc. All rights reserved.\n" > syslegal
                printf " * \n" > syslegal
                printf " * @APPLE_OSREFERENCE_LICENSE_HEADER_START@\n" > syslegal
                printf " * \n" > syslegal
@@ -149,8 +194,8 @@ s/\$//g
                printf "#define\tPAD_(t)\t(sizeof(uint64_t) <= sizeof(t) \\\n " > sysarg
                printf "\t\t? 0 : sizeof(uint64_t) - sizeof(t))\n" > sysarg
                printf "#else\n" > sysarg
-               printf "#define\tPAD_(t)\t(sizeof(register_t) <= sizeof(t) \\\n" > sysarg
-               printf "                ? 0 : sizeof(register_t) - sizeof(t))\n" > sysarg
+               printf "#define\tPAD_(t)\t(sizeof(uint32_t) <= sizeof(t) \\\n" > sysarg
+               printf "                ? 0 : sizeof(uint32_t) - sizeof(t))\n" > sysarg
                printf "#endif\n" > sysarg
                printf "#if BYTE_ORDER == LITTLE_ENDIAN\n"> sysarg
                printf "#define\tPADL_(t)\t0\n" > sysarg
@@ -174,13 +219,18 @@ s/\$//g
                printf "void munge_wl(const void *, void *);  \n" > sysarg
                printf "void munge_wlw(const void *, void *);  \n" > sysarg
                printf "void munge_wwwl(const void *, void *);  \n" > sysarg
+               printf "void munge_wwwlw(const void *, void *);  \n" > sysarg
                printf "void munge_wwwlww(const void *, void *);  \n" > sysarg
                printf "void munge_wwlwww(const void *, void *);  \n" > sysarg
+               printf "void munge_wwwwlw(const void *, void *);  \n" > sysarg
                printf "void munge_wwwwl(const void *, void *);  \n" > sysarg
                printf "void munge_wwwwwl(const void *, void *);  \n" > sysarg
+               printf "void munge_wwwwwwll(const void *, void *);  \n" > sysarg
+               printf "void munge_wwwwwwlw(const void *, void *);  \n" > sysarg
                printf "void munge_wsw(const void *, void *);  \n" > sysarg
                printf "void munge_wws(const void *, void *);  \n" > sysarg
                printf "void munge_wwwsw(const void *, void *);  \n" > sysarg
+               printf "void munge_llllll(const void *, void *); \n" > sysarg
                printf "#else \n" > sysarg
                printf "#define munge_w  NULL \n" > sysarg
                printf "#define munge_ww  NULL \n" > sysarg
@@ -193,13 +243,17 @@ s/\$//g
                printf "#define munge_wl  NULL \n" > sysarg
                printf "#define munge_wlw  NULL \n" > sysarg
                printf "#define munge_wwwl  NULL \n" > sysarg
+               printf "#define munge_wwwlw  NULL \n" > sysarg
                printf "#define munge_wwwlww  NULL\n" > sysarg
                printf "#define munge_wwlwww  NULL \n" > sysarg
                printf "#define munge_wwwwl  NULL \n" > sysarg
+               printf "#define munge_wwwwlw  NULL \n" > sysarg
                printf "#define munge_wwwwwl  NULL \n" > sysarg
+               printf "#define munge_wwwwwwlw  NULL \n" > sysarg
                printf "#define munge_wsw  NULL \n" > sysarg
                printf "#define munge_wws  NULL \n" > sysarg
                printf "#define munge_wwwsw  NULL \n" > sysarg
+               printf "#define munge_llllll  NULL \n" > sysarg
                printf "#endif // ! __arm__\n" > sysarg
                printf "#ifdef __ppc__\n" > sysarg
                printf "void munge_d(const void *, void *);  \n" > sysarg
@@ -225,6 +279,13 @@ s/\$//g
                printf "\n" > sysarg
 
                printf "const char *%s[] = {\n", namesname > syscallnamestempfile
+
+               printf "#include <sys/param.h>\n" > audittempfile
+               printf "#include <sys/types.h>\n\n" > audittempfile
+               printf "#include <bsm/audit.h>\n" > audittempfile
+               printf "#include <bsm/audit_kevents.h>\n\n" > audittempfile
+               printf "#if CONFIG_AUDIT\n\n" > audittempfile
+               printf "au_event_t sys_au_event[] = {\n" > audittempfile
                next
        }
        NF == 0 || $1 ~ /^;/ {
@@ -239,6 +300,7 @@ s/\$//g
                print > sysarg
                print > syscallnamestempfile
                print > sysprotoend
+               print > audittempfile
                savesyscall = syscall_num
                skip_for_header = 0
                next
@@ -248,6 +310,7 @@ s/\$//g
                print > sysarg
                print > syscallnamestempfile
                print > sysprotoend
+               print > audittempfile
                syscall_num = savesyscall
                skip_for_header = 1
                next
@@ -257,6 +320,7 @@ s/\$//g
                print > sysarg
                print > syscallnamestempfile
                print > sysprotoend
+               print > audittempfile
                skip_for_header = 0
                next
        }
@@ -282,7 +346,7 @@ s/\$//g
        
        function parseline() {
                funcname = ""
-               current_field = 3
+               current_field = 4       # skip number, audit event, type
                args_start = 0
                args_end = 0
                comments_start = 0
@@ -398,7 +462,11 @@ s/\$//g
                if (argc != 0)
                        argssize = "AC(" argalias ")"
        }
-       
+
+       {
+               auditev = $2;
+       }
+
        {
                add_sysent_entry = 1
                add_sysnames_entry = 1
@@ -410,33 +478,33 @@ s/\$//g
                my_flags = "0"
 
 
-               if ($2 != "ALL" && $2 != "UALL") {
+               if ($3 != "ALL" && $3 != "UALL") {
                        files_keyword_OK = 0
                        add_sysent_entry = 0
                        add_sysnames_entry = 0
                        add_sysheader_entry = 0
                        add_sysproto_entry = 0
                        
-                       if (match($2, "[T]") != 0) {
+                       if (match($3, "[T]") != 0) {
                                add_sysent_entry = 1
                                files_keyword_OK = 1
                        }
-                       if (match($2, "[N]") != 0) {
+                       if (match($3, "[N]") != 0) {
                                add_sysnames_entry = 1
                                files_keyword_OK = 1
                        }
-                       if (match($2, "[H]") != 0) {
+                       if (match($3, "[H]") != 0) {
                                add_sysheader_entry = 1
                                files_keyword_OK = 1
                        }
-                       if (match($2, "[P]") != 0) {
+                       if (match($3, "[P]") != 0) {
                                add_sysproto_entry = 1
                                files_keyword_OK = 1
                        }
-                       if (match($2, "[U]") != 0) {
+                       if (match($3, "[U]") != 0) {
                                add_64bit_unsafe = 1
                        }
-                       if (match($2, "[F]") != 0) {
+                       if (match($3, "[F]") != 0) {
                                add_64bit_fakesafe = 1
                        }
                        
@@ -445,7 +513,7 @@ s/\$//g
                                exit 1
                        }
                }
-               else if ($2 == "UALL") {
+               else if ($3 == "UALL") {
                        add_64bit_unsafe = 1;
                }
                
@@ -522,8 +590,9 @@ s/\$//g
                                                         argtype[i] == "uid_t" || argtype[i] == "pid_t" ||
                                                         argtype[i] == "id_t" || argtype[i] == "idtype_t" ||
                                                         argtype[i] == "socklen_t" || argtype[i] == "uint32_t" || argtype[i] == "int32_t" ||
-                                                        argtype[i] == "sigset_t" || argtype[i] == "gid_t" ||
-                                                        argtype[i] == "mode_t" || argtype[i] == "key_t" || argtype[i] == "time_t") {
+                                                        argtype[i] == "sigset_t" || argtype[i] == "gid_t" || argtype[i] == "unsigned int" ||
+                                                        argtype[i] == "mode_t" || argtype[i] == "key_t" ||
+                                                        argtype[i] == "mach_port_name_t") {
                                                munge32 = munge32 "w"
                                                munge64 = munge64 "d"
                                                size32 += 4
@@ -553,7 +622,7 @@ s/\$//g
                                }
                        }
                        else if (add_sysproto_entry == 1) { 
-                               printf("struct %s {\n\tregister_t dummy;\n};\n", argalias) > sysarg
+                               printf("struct %s {\n\tint32_t dummy;\n};\n", argalias) > sysarg
                        }
                }
                
@@ -582,9 +651,15 @@ s/\$//g
                        else if (returntype == "int") {
                                munge_ret = "_SYSCALL_RET_INT_T"
                        }
-                       else if (returntype == "u_int") {
+                       else if (returntype == "u_int" || returntype == "mach_port_name_t") {
                                munge_ret = "_SYSCALL_RET_UINT_T"
                        }
+                       else if (returntype == "uint32_t") {
+                               munge_ret = "_SYSCALL_RET_UINT_T"
+                       }
+                       else if (returntype == "uint64_t") {
+                               munge_ret = "_SYSCALL_RET_UINT64_T"
+                       }
                        else if (returntype == "off_t") {
                                munge_ret = "_SYSCALL_RET_OFF_T"
                        }
@@ -657,7 +732,7 @@ s/\$//g
                # output function prototypes to sysproto.h
                if (add_sysproto_entry == 1) {
                        if (funcname =="exit") {
-                               printf("void %s(struct proc *, struct %s *, int *);\n", 
+                               printf("void %s(struct proc *, struct %s *, int32_t *);\n", 
                                                funcname, argalias) > sysprotoend
                        }
                        else if ((funcname != "nosys" && funcname != "enosys") || (syscall_num == 0 && funcname == "nosys")) {
@@ -665,6 +740,10 @@ s/\$//g
                                                funcname, argalias, returntype) > sysprotoend
                        }
                }
+
+               # output to audit_kevents.c
+               printf("\t%s,\t\t", auditev) > audittempfile
+               printf("/* %d = %s%s*/\n", syscall_num, tempname, additional_comments) > audittempfile 
                
                syscall_num++
                next
@@ -692,13 +771,30 @@ s/\$//g
                    > syshdrtempfile
                printf("\n#endif /* __APPLE_API_PRIVATE */\n") > syshdrtempfile
                printf("#endif /* !%s */\n", syscall_h) > syshdrtempfile
+               printf("};\n\n") > audittempfile
+               printf("#endif /* AUDIT */\n") > audittempfile
        } '
 
 # define value in syscall table file to permit redifintion because of the way
 # __private_extern__ (doesn't) work.
-cat $syslegal > $syscalltablefile
-printf "#define __INIT_SYSENT_C__ 1\n" >> $syscalltablefile
-cat $sysinc $sysent >> $syscalltablefile
-cat $syslegal $sysarg $sysprotoend > $sysprotofile
-cat $syslegal $syscallnamestempfile > $syscallnamesfile
-cat $syslegal $syshdrtempfile > $syshdrfile
+if [ $output_syscalltablefile -eq 1 ]; then
+    cat $syslegal > $syscalltablefile
+    printf "#define __INIT_SYSENT_C__ 1\n" >> $syscalltablefile
+    cat $sysinc $sysent >> $syscalltablefile
+fi
+
+if [ $output_syscallnamesfile -eq 1 ]; then
+    cat $syslegal $syscallnamestempfile > $syscallnamesfile
+fi
+
+if [ $output_sysprotofile -eq 1 ]; then
+    cat $syslegal $sysarg $sysprotoend > $sysprotofile
+fi
+
+if [ $output_syshdrfile -eq 1 ]; then
+    cat $syslegal $syshdrtempfile > $syshdrfile
+fi
+
+if [ $output_auditevfile -eq 1 ]; then
+    cat $syslegal $audittempfile > $auditevfile
+fi