32 lines
970 B
Awk
32 lines
970 B
Awk
# This one is a bit trickier than error.awk, because sys/signal.h is not as
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# easy to parse. We currently assume that all (userland) signals are listed
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# before the first reference to "_KERNEL", and anything else that looks like a
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# signal definition (but isn't) is after that first reference.
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BEGIN {
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printf("/* This file is automatically generated by signal.awk */\n\n");
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printf("#include \"inc.h\"\n\n");
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printf("static const char *const signals[] = {\n");
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}
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/^#define/ {
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name = $2;
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if (!match(name, "SIG[^_]"))
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next;
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number = $3;
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if (number < 0 || number == "SIGABRT")
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next;
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printf("\t[%s] = \"%s\",\n", name, name);
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}
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/_KERNEL/ {
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exit;
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}
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END {
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printf("};\n\n");
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printf("const char *\nget_signal_name(int sig)\n{\n\n");
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printf("\tif (sig >= 0 && sig < sizeof(signals) / sizeof(signals[0]) &&\n");
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printf("\t signals[sig] != NULL)\n");
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printf("\t\treturn signals[sig];\n");
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printf("\telse\n");
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printf("\t\treturn NULL;\n");
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printf("}\n");
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}
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