50 lines
1.3 KiB
Text
50 lines
1.3 KiB
Text
function sort(V, N, tmp, i, j) {
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V[-1] = ""; # Used as a sentinel before V[0].
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for (i = 1; i < N; i++)
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for (j = i; V[j - 1] > V[j]; j--) {
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tmp = V[j];
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V[j] = V[j - 1];
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V[j - 1] = tmp;
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}
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return;
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}
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BEGIN {
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nname = 0;
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builtin["printf"] = "int printf(const char *, ...)";
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builtin["sprintf"] = "int sprintf(char *, const char *, ...)";
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builtin["malloc"] = "void *malloc()";
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builtin["memcpy"] = "void *memcpy()";
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builtin["memset"] = "void *memset()";
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builtin["strcpy"] = "char *strcpy()";
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builtin[""] = "";
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}
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/^[0123456789abcdef]+ [ABCDGINRSTUVW] / {
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if ($3 != "symbols" && $3 != "symbols_nelts") {
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name[nname] = $3;
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nname++;
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}
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}
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END {
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sort(name, nname);
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print "#include \"loader/symbols-def.h\"\n";
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# Must deal with compiler builtins etc.
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for (x = 0; x < nname; x++) {
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if (builtin[name[x]] != "")
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print builtin[name[x]] ";";
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else
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print "extern int " name[x]"();";
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}
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print "\n";
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# nname++: An { 0, 0 } entry is added at the end of the vector.
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print "const int symbols_nelts = " nname+1 ";";
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print "const struct symbols symbols[" nname+1 "] = {";
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for (x = 0; x < nname; x++)
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print "{ \"" name[x] "\", (void *)&"name[x]" },";
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print "{ (const char *)0, (void *)0} };";
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}
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