#!/bin/sh
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#!/bin/sh
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# Script to compare functions and instructions used by different igen models.
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# Script to compare functions and instructions used by different igen models.
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# Copyright (C) 2002, 2007, 2008 Free Software Foundation, Inc.
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# Copyright (C) 2002, 2007, 2008 Free Software Foundation, Inc.
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# Contributed by Chris Demetriou of Broadcom Corporation (SiByte).
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# Contributed by Chris Demetriou of Broadcom Corporation (SiByte).
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#
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#
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# This file is part of GDB, the GNU debugger.
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# This file is part of GDB, the GNU debugger.
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#
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#
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# This program is free software; you can redistribute it and/or modify
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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# (at your option) any later version.
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#
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#
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# This program is distributed in the hope that it will be useful,
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# GNU General Public License for more details.
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#
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#
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# You should have received a copy of the GNU General Public License
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see .
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# along with this program. If not, see .
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# This is a simple-minded script to compare the functions and instructions
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# This is a simple-minded script to compare the functions and instructions
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# listed for two different models in one or more .igen files.
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# listed for two different models in one or more .igen files.
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#
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#
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# It was intended to be useful to help factor models into common subsets.
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# It was intended to be useful to help factor models into common subsets.
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#
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#
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# Things to note:
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# Things to note:
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#
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#
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# * igen include directives are not processed!
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# * igen include directives are not processed!
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#
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#
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# * functions and instructions with multiple definitions (e.g., based
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# * functions and instructions with multiple definitions (e.g., based
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# on model names) are treated as being different. In other words,
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# on model names) are treated as being different. In other words,
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# if two models have different functions named 'foo', this
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# if two models have different functions named 'foo', this
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# script will say that one has one of the function definitions, and
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# script will say that one has one of the function definitions, and
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# the other has the other.
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# the other has the other.
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if [ "$#" -lt 2 ]; then
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if [ "$#" -lt 2 ]; then
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echo "usage: $0 model1 model2 [file ...]" 1>&2
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echo "usage: $0 model1 model2 [file ...]" 1>&2
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exit 1
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exit 1
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fi
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fi
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model1="$1"
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model1="$1"
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model2="$2"
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model2="$2"
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shift; shift
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shift; shift
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gawk -v model1="$model1" -v model2="$model2" -F: -- '
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gawk -v model1="$model1" -v model2="$model2" -F: -- '
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BEGIN {
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BEGIN {
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thang_count = 0
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thang_count = 0
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}
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}
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function thang_has_model(t, m) {
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function thang_has_model(t, m) {
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# printf("thang_has_model(%s, %s) (@ %s:%d)\n", t, m,
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# printf("thang_has_model(%s, %s) (@ %s:%d)\n", t, m,
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# thangs[t,"file"], thangs[t,"line"]);
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# thangs[t,"file"], thangs[t,"line"]);
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if (thangs[t,"nmodels"] == 0) return 1;
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if (thangs[t,"nmodels"] == 0) return 1;
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for (j = 0; j < thangs[t,"nmodels"]; j++) {
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for (j = 0; j < thangs[t,"nmodels"]; j++) {
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# printf("\tmodel \"%s\"\n", thangs[t,"models",j]);
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# printf("\tmodel \"%s\"\n", thangs[t,"models",j]);
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if (thangs[t,"models",j] == m) return 1;
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if (thangs[t,"models",j] == m) return 1;
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}
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}
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# printf("\t-> 0\n");
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# printf("\t-> 0\n");
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return 0
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return 0
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}
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}
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function compare_models(m1, m2) {
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function compare_models(m1, m2) {
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# printf("compare_models(%s, %s)\n", m1, m2);
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# printf("compare_models(%s, %s)\n", m1, m2);
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seen_any=0
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seen_any=0
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for (i = 0; i < thang_count; i++) {
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for (i = 0; i < thang_count; i++) {
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if (thang_has_model(i, m1) && !thang_has_model(i, m2)) {
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if (thang_has_model(i, m1) && !thang_has_model(i, m2)) {
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if (!seen_any) {
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if (!seen_any) {
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printf("Things in %s but not in %s:\n", m1, m2);
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printf("Things in %s but not in %s:\n", m1, m2);
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seen_any = 1
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seen_any = 1
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}
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}
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printf("%s:%d: %s\n", thangs[i,"file"],
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printf("%s:%d: %s\n", thangs[i,"file"],
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thangs[i,"line"], thangs[i,"contents"]);
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thangs[i,"line"], thangs[i,"contents"]);
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}
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}
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}
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}
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}
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}
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$0 ~ /^:/ && $2 == "model" {
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$0 ~ /^:/ && $2 == "model" {
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# ignore.
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# ignore.
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# print "model " $0
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# print "model " $0
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}
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}
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($0 ~ /^:/ && $2 == "function") || \
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($0 ~ /^:/ && $2 == "function") || \
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($0 ~ /^:/ && $2 == "internal") || \
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($0 ~ /^:/ && $2 == "internal") || \
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($0 ~ /^[0-9]/) {
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($0 ~ /^[0-9]/) {
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# a function, internal, or instruction.
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# a function, internal, or instruction.
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current_thang = thang_count
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current_thang = thang_count
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thang_count++
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thang_count++
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thangs[current_thang,"file"] = FILENAME
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thangs[current_thang,"file"] = FILENAME
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thangs[current_thang,"line"] = NR
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thangs[current_thang,"line"] = NR
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thangs[current_thang,"contents"] = $0
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thangs[current_thang,"contents"] = $0
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thangs[current_thang,"nmodels"] = 0
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thangs[current_thang,"nmodels"] = 0
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if ($0 ~ /^:/) {
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if ($0 ~ /^:/) {
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thangs[current_thang,"type"] = $2
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thangs[current_thang,"type"] = $2
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} else {
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} else {
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thangs[current_thang,"type"] = "instruction"
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thangs[current_thang,"type"] = "instruction"
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}
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}
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}
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}
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$0 ~ /^\*/ {
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$0 ~ /^\*/ {
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split(substr($1, 2), tmp_models, /,/)
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split(substr($1, 2), tmp_models, /,/)
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for (key in tmp_models) {
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for (key in tmp_models) {
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current_model = thangs[current_thang,"nmodels"]
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current_model = thangs[current_thang,"nmodels"]
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thangs[current_thang,"nmodels"]++
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thangs[current_thang,"nmodels"]++
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thangs[current_thang,"models",current_model] = tmp_models[key]
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thangs[current_thang,"models",current_model] = tmp_models[key]
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}
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}
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}
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}
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END {
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END {
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compare_models(model1, model2)
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compare_models(model1, model2)
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if (seen_any) printf("\n");
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if (seen_any) printf("\n");
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compare_models(model2, model1)
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compare_models(model2, model1)
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}' "$@"
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}' "$@"
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exit "$?"
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exit "$?"
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