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regs.pl: add include guards to generated header files

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Add include guards to generated header files, and make sure the
appropriate prerequisite headers are included if necessary.
This commit is contained in:
H. Peter Anvin 2008-05-27 14:43:14 -07:00
parent ad42e0d1fb
commit b4f4366ff3
1 changed files with 9 additions and 3 deletions
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12
regs.pl
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@ -79,6 +79,9 @@ close(REGS);
if ( $fmt eq 'h' ) {
# Output regs.h
print "/* automatically generated from $file - do not edit */\n\n";
print "#ifndef NASM_REGS_H\n";
print "#define NASM_REGS_H\n\n";
$expr_regs = 1;
printf "#define EXPR_REG_START %d\n\n", $expr_regs;
print "enum reg_enum {\n";
@ -98,7 +101,7 @@ if ( $fmt eq 'h' ) {
foreach $reg ( sort(keys(%regs)) ) {
printf "#define %-15s %2d\n", "REG_NUM_\U${reg}", $regvals{$reg};
}
print "\n";
print "\n\n#endif /* NASM_REGS_H */\n";
} elsif ( $fmt eq 'c' ) {
# Output regs.c
print "/* automatically generated from $file - do not edit */\n\n";
@ -137,7 +140,6 @@ if ( $fmt eq 'h' ) {
} elsif ( $fmt eq 'dc' ) {
# Output regdis.c
print "/* automatically generated from $file - do not edit */\n\n";
print "#include \"regs.h\"\n";
print "#include \"regdis.h\"\n\n";
foreach $class ( sort(keys(%disclass)) ) {
printf "const enum reg_enum nasm_rd_%-8s[%2d] = {",
@ -155,11 +157,15 @@ if ( $fmt eq 'h' ) {
}
} elsif ( $fmt eq 'dh' ) {
# Output regdis.h
print "/* automatically generated from $file - do not edit */\n";
print "/* automatically generated from $file - do not edit */\n\n";
print "#ifndef NASM_REGDIS_H\n";
print "#define NASM_REGDIS_H\n\n";
print "#include \"regs.h\"\n\n";
foreach $class ( sort(keys(%disclass)) ) {
printf "extern const enum reg_enum nasm_rd_%-8s[%2d];\n",
$class, scalar @{$disclass{$class}};
}
print "\n#endif /* NASM_REGDIS_H */\n";
} else {
die "$0: Unknown output format\n";
}