patch-2.4.22 linux-2.4.22/drivers/scsi/aic79xx/aicasm/aicasm.c

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diff -urN linux-2.4.21/drivers/scsi/aic79xx/aicasm/aicasm.c linux-2.4.22/drivers/scsi/aic79xx/aicasm/aicasm.c
@@ -1,835 +0,0 @@
-/*
- * Aic7xxx SCSI host adapter firmware asssembler
- *
- * Copyright (c) 1997, 1998, 2000, 2001 Justin T. Gibbs.
- * Copyright (c) 2001, 2002 Adaptec Inc.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions, and the following disclaimer,
- *    without modification.
- * 2. Redistributions in binary form must reproduce at minimum a disclaimer
- *    substantially similar to the "NO WARRANTY" disclaimer below
- *    ("Disclaimer") and any redistribution must be conditioned upon
- *    including a substantially similar Disclaimer requirement for further
- *    binary redistribution.
- * 3. Neither the names of the above-listed copyright holders nor the names
- *    of any contributors may be used to endorse or promote products derived
- *    from this software without specific prior written permission.
- *
- * Alternatively, this software may be distributed under the terms of the
- * GNU General Public License ("GPL") version 2 as published by the Free
- * Software Foundation.
- *
- * NO WARRANTY
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
- * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- * POSSIBILITY OF SUCH DAMAGES.
- *
- * $Id: //depot/aic7xxx/aic7xxx/aicasm/aicasm.c#22 $
- *
- * $FreeBSD$
- */
-#include <sys/types.h>
-#include <sys/mman.h>
-
-#include <ctype.h>
-#include <inttypes.h>
-#include <regex.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <sysexits.h>
-#include <unistd.h>
-
-#if linux
-#include <endian.h>
-#else
-#include <machine/endian.h>
-#endif
-
-#include "aicasm.h"
-#include "aicasm_symbol.h"
-#include "aicasm_insformat.h"
-
-typedef struct patch {
-	STAILQ_ENTRY(patch) links;
-	int		patch_func;
-	u_int		begin;
-	u_int		skip_instr;
-	u_int		skip_patch;
-} patch_t;
-
-STAILQ_HEAD(patch_list, patch) patches;
-
-static void usage(void);
-static void back_patch(void);
-static void output_code(void);
-static void output_listing(char *ifilename);
-static void dump_scope(scope_t *scope);
-static void emit_patch(scope_t *scope, int patch);
-static int check_patch(patch_t **start_patch, int start_instr,
-		       int *skip_addr, int *func_vals);
-
-struct path_list search_path;
-int includes_search_curdir;
-char *appname;
-char *stock_include_file;
-FILE *ofile;
-char *ofilename;
-char *regfilename;
-FILE *regfile;
-char *listfilename;
-FILE *listfile;
-char *regdiagfilename;
-FILE *regdiagfile;
-int   src_mode;
-int   dst_mode;
-
-static STAILQ_HEAD(,instruction) seq_program;
-struct cs_tailq cs_tailq;
-struct scope_list scope_stack;
-symlist_t patch_functions;
-
-#if DEBUG
-extern int yy_flex_debug;
-extern int mm_flex_debug;
-extern int yydebug;
-extern int mmdebug;
-#endif
-extern FILE *yyin;
-extern int yyparse(void);
-
-int main(int argc, char *argv[]);
-
-int
-main(int argc, char *argv[])
-{
-	extern char *optarg;
-	extern int optind;
-	int  ch;
-	int  retval;
-	char *inputfilename;
-	scope_t *sentinal;
-
-	STAILQ_INIT(&patches);
-	SLIST_INIT(&search_path);
-	STAILQ_INIT(&seq_program);
-	TAILQ_INIT(&cs_tailq);
-	SLIST_INIT(&scope_stack);
-
-	/* Set Sentinal scope node */
-	sentinal = scope_alloc();
-	sentinal->type = SCOPE_ROOT;
-	
-	includes_search_curdir = 1;
-	appname = *argv;
-	regfile = NULL;
-	listfile = NULL;
-#if DEBUG
-	yy_flex_debug = 0;
-	mm_flex_debug = 0;
-	yydebug = 0;
-	mmdebug = 0;
-#endif
-	while ((ch = getopt(argc, argv, "d:i:l:n:o:p:r:I:")) != -1) {
-		switch(ch) {
-		case 'd':
-#if DEBUG
-			if (strcmp(optarg, "s") == 0) {
-				yy_flex_debug = 1;
-				mm_flex_debug = 1;
-			} else if (strcmp(optarg, "p") == 0) {
-				yydebug = 1;
-				mmdebug = 1;
-			} else {
-				fprintf(stderr, "%s: -d Requires either an "
-					"'s' or 'p' argument\n", appname);
-				usage();
-			}
-#else
-			stop("-d: Assembler not built with debugging "
-			     "information", EX_SOFTWARE);
-#endif
-			break;
-		case 'i':
-			stock_include_file = optarg;
-			break;
-		case 'l':
-			/* Create a program listing */
-			if ((listfile = fopen(optarg, "w")) == NULL) {
-				perror(optarg);
-				stop(NULL, EX_CANTCREAT);
-			}
-			listfilename = optarg;
-			break;
-		case 'n':
-			/* Don't complain about the -nostdinc directrive */
-			if (strcmp(optarg, "ostdinc")) {
-				fprintf(stderr, "%s: Unknown option -%c%s\n",
-					appname, ch, optarg);
-				usage();
-				/* NOTREACHED */
-			}
-			break;
-		case 'o':
-			if ((ofile = fopen(optarg, "w")) == NULL) {
-				perror(optarg);
-				stop(NULL, EX_CANTCREAT);
-			}
-			ofilename = optarg;
-			break;
-		case 'p':
-			/* Create Register Diagnostic "printing" Functions */
-			if ((regdiagfile = fopen(optarg, "w")) == NULL) {
-				perror(optarg);
-				stop(NULL, EX_CANTCREAT);
-			}
-			regdiagfilename = optarg;
-			break;
-		case 'r':
-			if ((regfile = fopen(optarg, "w")) == NULL) {
-				perror(optarg);
-				stop(NULL, EX_CANTCREAT);
-			}
-			regfilename = optarg;
-			break;
-		case 'I':
-		{
-			path_entry_t include_dir;
-
-			if (strcmp(optarg, "-") == 0) {
-				if (includes_search_curdir == 0) {
-					fprintf(stderr, "%s: Warning - '-I-' "
-							"specified multiple "
-							"times\n", appname);
-				}
-				includes_search_curdir = 0;
-				for (include_dir = SLIST_FIRST(&search_path);
-				     include_dir != NULL;
-				     include_dir = SLIST_NEXT(include_dir,
-							      links))
-					/*
-					 * All entries before a '-I-' only
-					 * apply to includes specified with
-					 * quotes instead of "<>".
-					 */
-					include_dir->quoted_includes_only = 1;
-			} else {
-				include_dir =
-				    (path_entry_t)malloc(sizeof(*include_dir));
-				if (include_dir == NULL) {
-					perror(optarg);
-					stop(NULL, EX_OSERR);
-				}
-				include_dir->directory = strdup(optarg);
-				if (include_dir->directory == NULL) {
-					perror(optarg);
-					stop(NULL, EX_OSERR);
-				}
-				include_dir->quoted_includes_only = 0;
-				SLIST_INSERT_HEAD(&search_path, include_dir,
-						  links);
-			}
-			break;
-		}
-		case '?':
-		default:
-			usage();
-			/* NOTREACHED */
-		}
-	}
-	argc -= optind;
-	argv += optind;
-
-	if (argc != 1) {
-		fprintf(stderr, "%s: No input file specifiled\n", appname);
-		usage();
-		/* NOTREACHED */
-	}
-
-	if (regdiagfile != NULL
-	 && (regfile == NULL || stock_include_file == NULL)) {
-		fprintf(stderr,
-			"%s: The -p option requires the -r and -i options.\n",
-			appname);
-		usage();
-		/* NOTREACHED */
-	}
-	symtable_open();
-	inputfilename = *argv;
-	include_file(*argv, SOURCE_FILE);
-	retval = yyparse();
-	if (retval == 0) {
-		if (SLIST_FIRST(&scope_stack) == NULL
-		 || SLIST_FIRST(&scope_stack)->type != SCOPE_ROOT) {
-			stop("Unterminated conditional expression", EX_DATAERR);
-			/* NOTREACHED */
-		}
-
-		/* Process outmost scope */
-		process_scope(SLIST_FIRST(&scope_stack));
-		/*
-		 * Decend the tree of scopes and insert/emit
-		 * patches as appropriate.  We perform a depth first
-		 * tranversal, recursively handling each scope.
-		 */
-		/* start at the root scope */
-		dump_scope(SLIST_FIRST(&scope_stack));
-
-		/* Patch up forward jump addresses */
-		back_patch();
-
-		if (ofile != NULL)
-			output_code();
-		if (regfile != NULL)
-			symtable_dump(regfile, regdiagfile);
-		if (listfile != NULL)
-			output_listing(inputfilename);
-	}
-
-	stop(NULL, 0);
-	/* NOTREACHED */
-	return (0);
-}
-
-static void
-usage()
-{
-
-	(void)fprintf(stderr,
-"usage: %-16s [-nostdinc] [-I-] [-I directory] [-o output_file]\n"
-"	[-r register_output_file [-p register_diag_file -i includefile]]\n"
-"	[-l program_list_file]\n"
-"	input_file\n", appname);
-	exit(EX_USAGE);
-}
-
-static void
-back_patch()
-{
-	struct instruction *cur_instr;
-
-	for (cur_instr = STAILQ_FIRST(&seq_program);
-	     cur_instr != NULL;
-	     cur_instr = STAILQ_NEXT(cur_instr, links)) {
-		if (cur_instr->patch_label != NULL) {
-			struct ins_format3 *f3_instr;
-			u_int address;
-
-			if (cur_instr->patch_label->type != LABEL) {
-				char buf[255];
-
-				snprintf(buf, sizeof(buf),
-					 "Undefined label %s",
-					 cur_instr->patch_label->name);
-				stop(buf, EX_DATAERR);
-				/* NOTREACHED */
-			}
-			f3_instr = &cur_instr->format.format3;
-			address = f3_instr->address;
-			address += cur_instr->patch_label->info.linfo->address;
-			f3_instr->address = address;
-		}
-	}
-}
-
-static void
-output_code()
-{
-	struct instruction *cur_instr;
-	patch_t *cur_patch;
-	critical_section_t *cs;
-	symbol_node_t *cur_node;
-	int instrcount;
-
-	instrcount = 0;
-	fprintf(ofile,
-"/*\n"
-" * DO NOT EDIT - This file is automatically generated\n"
-" *		 from the following source files:\n"
-" *\n"
-"%s */\n", versions);
-
-	fprintf(ofile, "static uint8_t seqprog[] = {\n");
-	for (cur_instr = STAILQ_FIRST(&seq_program);
-	     cur_instr != NULL;
-	     cur_instr = STAILQ_NEXT(cur_instr, links)) {
-
-		fprintf(ofile, "%s\t0x%02x, 0x%02x, 0x%02x, 0x%02x",
-			cur_instr == STAILQ_FIRST(&seq_program) ? "" : ",\n",
-#if BYTE_ORDER == LITTLE_ENDIAN
-			cur_instr->format.bytes[0],
-			cur_instr->format.bytes[1],
-			cur_instr->format.bytes[2],
-			cur_instr->format.bytes[3]);
-#else
-			cur_instr->format.bytes[3],
-			cur_instr->format.bytes[2],
-			cur_instr->format.bytes[1],
-			cur_instr->format.bytes[0]);
-#endif
-		instrcount++;
-	}
-	fprintf(ofile, "\n};\n\n");
-
-	if (patch_arg_list == NULL)
-		stop("Patch argument list not defined",
-		     EX_DATAERR);
-
-	/*
-	 *  Output patch information.  Patch functions first.
-	 */
-	fprintf(ofile,
-"typedef int %spatch_func_t (%s);\n", prefix, patch_arg_list);
-
-	for (cur_node = SLIST_FIRST(&patch_functions);
-	     cur_node != NULL;
-	     cur_node = SLIST_NEXT(cur_node,links)) {
-		fprintf(ofile,
-"static %spatch_func_t %spatch%d_func;\n"
-"\n"
-"static int\n"
-"%spatch%d_func(%s)\n"
-"{\n"
-"	return (%s);\n"
-"}\n\n",
-			prefix,
-			prefix,
-			cur_node->symbol->info.condinfo->func_num,
-			prefix,
-			cur_node->symbol->info.condinfo->func_num,
-			patch_arg_list,
-			cur_node->symbol->name);
-	}
-
-	fprintf(ofile,
-"static struct patch {\n"
-"	%spatch_func_t		*patch_func;\n"
-"	uint32_t		 begin		:10,\n"
-"				 skip_instr	:10,\n"
-"				 skip_patch	:12;\n"
-"} patches[] = {\n", prefix);
-
-	for (cur_patch = STAILQ_FIRST(&patches);
-	     cur_patch != NULL;
-	     cur_patch = STAILQ_NEXT(cur_patch,links)) {
-		fprintf(ofile, "%s\t{ %spatch%d_func, %d, %d, %d }",
-			cur_patch == STAILQ_FIRST(&patches) ? "" : ",\n",
-			prefix,
-			cur_patch->patch_func, cur_patch->begin,
-			cur_patch->skip_instr, cur_patch->skip_patch);
-	}
-
-	fprintf(ofile, "\n};\n\n");
-
-	fprintf(ofile,
-"static struct cs {\n"
-"	uint16_t	begin;\n"
-"	uint16_t	end;\n"
-"} critical_sections[] = {\n");
-
-	for (cs = TAILQ_FIRST(&cs_tailq);
-	     cs != NULL;
-	     cs = TAILQ_NEXT(cs, links)) {
-		fprintf(ofile, "%s\t{ %d, %d }",
-			cs == TAILQ_FIRST(&cs_tailq) ? "" : ",\n",
-			cs->begin_addr, cs->end_addr);
-	}
-
-	fprintf(ofile, "\n};\n\n");
-
-	fprintf(ofile,
-"static const int num_critical_sections = sizeof(critical_sections)\n"
-"				       / sizeof(*critical_sections);\n");
-
-	fprintf(stderr, "%s: %d instructions used\n", appname, instrcount);
-}
-
-static void
-dump_scope(scope_t *scope)
-{
-	scope_t *cur_scope;
-
-	/*
-	 * Emit the first patch for this scope
-	 */
-	emit_patch(scope, 0);
-
-	/*
-	 * Dump each scope within this one.
-	 */
-	cur_scope = TAILQ_FIRST(&scope->inner_scope);
-
-	while (cur_scope != NULL) {
-
-		dump_scope(cur_scope);
-
-		cur_scope = TAILQ_NEXT(cur_scope, scope_links);
-	}
-
-	/*
-	 * Emit the second, closing, patch for this scope
-	 */
-	emit_patch(scope, 1);
-}
-
-void
-emit_patch(scope_t *scope, int patch)
-{
-	patch_info_t *pinfo;
-	patch_t *new_patch;
-
-	pinfo = &scope->patches[patch];
-
-	if (pinfo->skip_instr == 0)
-		/* No-Op patch */
-		return;
-
-	new_patch = (patch_t *)malloc(sizeof(*new_patch));
-
-	if (new_patch == NULL)
-		stop("Could not malloc patch structure", EX_OSERR);
-
-	memset(new_patch, 0, sizeof(*new_patch));
-
-	if (patch == 0) {
-		new_patch->patch_func = scope->func_num;
-		new_patch->begin = scope->begin_addr;
-	} else {
-		new_patch->patch_func = 0;
-		new_patch->begin = scope->end_addr;
-	}
-	new_patch->skip_instr = pinfo->skip_instr;
-	new_patch->skip_patch = pinfo->skip_patch;
-	STAILQ_INSERT_TAIL(&patches, new_patch, links);
-}
-
-void
-output_listing(char *ifilename)
-{
-	char buf[1024];
-	FILE *ifile;
-	struct instruction *cur_instr;
-	patch_t *cur_patch;
-	symbol_node_t *cur_func;
-	int *func_values;
-	int instrcount;
-	int instrptr;
-	int line;
-	int func_count;
-	int skip_addr;
-
-	instrcount = 0;
-	instrptr = 0;
-	line = 1;
-	skip_addr = 0;
-	if ((ifile = fopen(ifilename, "r")) == NULL) {
-		perror(ifilename);
-		stop(NULL, EX_DATAERR);
-	}
-
-	/*
-	 * Determine which options to apply to this listing.
-	 */
-	for (func_count = 0, cur_func = SLIST_FIRST(&patch_functions);
-	    cur_func != NULL;
-	    cur_func = SLIST_NEXT(cur_func, links))
-		func_count++;
-
-	func_values = NULL;
-	if (func_count != 0) {
-		func_values = (int *)malloc(func_count * sizeof(int));
-
-		if (func_values == NULL)
-			stop("Could not malloc", EX_OSERR);
-		
-		func_values[0] = 0; /* FALSE func */
-		func_count--;
-
-		/*
-		 * Ask the user to fill in the return values for
-		 * the rest of the functions.
-		 */
-		
-		
-		for (cur_func = SLIST_FIRST(&patch_functions);
-		     cur_func != NULL && SLIST_NEXT(cur_func, links) != NULL;
-		     cur_func = SLIST_NEXT(cur_func, links), func_count--) {
-			int input;
-			
-			fprintf(stdout, "\n(%s)\n", cur_func->symbol->name);
-			fprintf(stdout,
-				"Enter the return value for "
-				"this expression[T/F]:");
-
-			while (1) {
-
-				input = getchar();
-				input = toupper(input);
-
-				if (input == 'T') {
-					func_values[func_count] = 1;
-					break;
-				} else if (input == 'F') {
-					func_values[func_count] = 0;
-					break;
-				}
-			}
-			if (isatty(fileno(stdin)) == 0)
-				putchar(input);
-		}
-		fprintf(stdout, "\nThanks!\n");
-	}
-
-	/* Now output the listing */
-	cur_patch = STAILQ_FIRST(&patches);
-	for (cur_instr = STAILQ_FIRST(&seq_program);
-	     cur_instr != NULL;
-	     cur_instr = STAILQ_NEXT(cur_instr, links), instrcount++) {
-
-		if (check_patch(&cur_patch, instrcount,
-				&skip_addr, func_values) == 0) {
-			/* Don't count this instruction as it is in a patch
-			 * that was removed.
-			 */
-                        continue;
-		}
-
-		while (line < cur_instr->srcline) {
-			fgets(buf, sizeof(buf), ifile);
-				fprintf(listfile, "\t\t%s", buf);
-				line++;
-		}
-		fprintf(listfile, "%03x %02x%02x%02x%02x", instrptr,
-#if BYTE_ORDER == LITTLE_ENDIAN
-			cur_instr->format.bytes[0],
-			cur_instr->format.bytes[1],
-			cur_instr->format.bytes[2],
-			cur_instr->format.bytes[3]);
-#else
-			cur_instr->format.bytes[3],
-			cur_instr->format.bytes[2],
-			cur_instr->format.bytes[1],
-			cur_instr->format.bytes[0]);
-#endif
-		fgets(buf, sizeof(buf), ifile);
-		fprintf(listfile, "\t%s", buf);
-		line++;
-		instrptr++;
-	}
-	/* Dump the remainder of the file */
-	while(fgets(buf, sizeof(buf), ifile) != NULL)
-		fprintf(listfile, "\t\t%s", buf);
-
-	fclose(ifile);
-}
-
-static int
-check_patch(patch_t **start_patch, int start_instr,
-	    int *skip_addr, int *func_vals)
-{
-	patch_t *cur_patch;
-
-	cur_patch = *start_patch;
-
-	while (cur_patch != NULL && start_instr == cur_patch->begin) {
-		if (func_vals[cur_patch->patch_func] == 0) {
-			int skip;
-
-			/* Start rejecting code */
-			*skip_addr = start_instr + cur_patch->skip_instr;
-			for (skip = cur_patch->skip_patch;
-			     skip > 0 && cur_patch != NULL;
-			     skip--)
-				cur_patch = STAILQ_NEXT(cur_patch, links);
-		} else {
-			/* Accepted this patch.  Advance to the next
-			 * one and wait for our intruction pointer to
-			 * hit this point.
-			 */
-			cur_patch = STAILQ_NEXT(cur_patch, links);
-		}
-	}
-
-	*start_patch = cur_patch;
-	if (start_instr < *skip_addr)
-		/* Still skipping */
-		return (0);
-
-	return (1);
-}
-
-/*
- * Print out error information if appropriate, and clean up before
- * terminating the program.
- */
-void
-stop(const char *string, int err_code)
-{
-	if (string != NULL) {
-		fprintf(stderr, "%s: ", appname);
-		if (yyfilename != NULL) {
-			fprintf(stderr, "Stopped at file %s, line %d - ",
-				yyfilename, yylineno);
-		}
-		fprintf(stderr, "%s\n", string);
-	}
-
-	if (ofile != NULL) {
-		fclose(ofile);
-		if (err_code != 0) {
-			fprintf(stderr, "%s: Removing %s due to error\n",
-				appname, ofilename);
-			unlink(ofilename);
-		}
-	}
-
-	if (regfile != NULL) {
-		fclose(regfile);
-		if (err_code != 0) {
-			fprintf(stderr, "%s: Removing %s due to error\n",
-				appname, regfilename);
-			unlink(regfilename);
-		}
-	}
-
-	if (listfile != NULL) {
-		fclose(listfile);
-		if (err_code != 0) {
-			fprintf(stderr, "%s: Removing %s due to error\n",
-				appname, listfilename);
-			unlink(listfilename);
-		}
-	}
-
-	symlist_free(&patch_functions);
-	symtable_close();
-
-	exit(err_code);
-}
-
-struct instruction *
-seq_alloc()
-{
-	struct instruction *new_instr;
-
-	new_instr = (struct instruction *)malloc(sizeof(struct instruction));
-	if (new_instr == NULL)
-		stop("Unable to malloc instruction object", EX_SOFTWARE);
-	memset(new_instr, 0, sizeof(*new_instr));
-	STAILQ_INSERT_TAIL(&seq_program, new_instr, links);
-	new_instr->srcline = yylineno;
-	return new_instr;
-}
-
-critical_section_t *
-cs_alloc()
-{
-	critical_section_t *new_cs;
-
-	new_cs= (critical_section_t *)malloc(sizeof(critical_section_t));
-	if (new_cs == NULL)
-		stop("Unable to malloc critical_section object", EX_SOFTWARE);
-	memset(new_cs, 0, sizeof(*new_cs));
-	
-	TAILQ_INSERT_TAIL(&cs_tailq, new_cs, links);
-	return new_cs;
-}
-
-scope_t *
-scope_alloc()
-{
-	scope_t *new_scope;
-
-	new_scope = (scope_t *)malloc(sizeof(scope_t));
-	if (new_scope == NULL)
-		stop("Unable to malloc scope object", EX_SOFTWARE);
-	memset(new_scope, 0, sizeof(*new_scope));
-	TAILQ_INIT(&new_scope->inner_scope);
-	
-	if (SLIST_FIRST(&scope_stack) != NULL) {
-		TAILQ_INSERT_TAIL(&SLIST_FIRST(&scope_stack)->inner_scope,
-				  new_scope, scope_links);
-	}
-	/* This patch is now the current scope */
-	SLIST_INSERT_HEAD(&scope_stack, new_scope, scope_stack_links);
-	return new_scope;
-}
-
-void
-process_scope(scope_t *scope)
-{
-	/*
-	 * We are "leaving" this scope.  We should now have
-	 * enough information to process the lists of scopes
-	 * we encapsulate.
-	 */
-	scope_t *cur_scope;
-	u_int skip_patch_count;
-	u_int skip_instr_count;
-
-	cur_scope = TAILQ_LAST(&scope->inner_scope, scope_tailq);
-	skip_patch_count = 0;
-	skip_instr_count = 0;
-	while (cur_scope != NULL) {
-		u_int patch0_patch_skip;
-
-		patch0_patch_skip = 0;
-		switch (cur_scope->type) {
-		case SCOPE_IF:
-		case SCOPE_ELSE_IF:
-			if (skip_instr_count != 0) {
-				/* Create a tail patch */
-				patch0_patch_skip++;
-				cur_scope->patches[1].skip_patch =
-				    skip_patch_count + 1;
-				cur_scope->patches[1].skip_instr =
-				    skip_instr_count;
-			}
-
-			/* Count Head patch */
-			patch0_patch_skip++;
-
-			/* Count any patches contained in our inner scope */
-			patch0_patch_skip += cur_scope->inner_scope_patches;
-
-			cur_scope->patches[0].skip_patch = patch0_patch_skip;
-			cur_scope->patches[0].skip_instr =
-			    cur_scope->end_addr - cur_scope->begin_addr;
-
-			skip_instr_count += cur_scope->patches[0].skip_instr;
-
-			skip_patch_count += patch0_patch_skip;
-			if (cur_scope->type == SCOPE_IF) {
-				scope->inner_scope_patches += skip_patch_count;
-				skip_patch_count = 0;
-			        skip_instr_count = 0;
-			}
-			break;
-		case SCOPE_ELSE:
-			/* Count any patches contained in our innter scope */
-			skip_patch_count += cur_scope->inner_scope_patches;
-
-			skip_instr_count += cur_scope->end_addr
-					  - cur_scope->begin_addr;
-			break;
-		case SCOPE_ROOT:
-			stop("Unexpected scope type encountered", EX_SOFTWARE);
-			/* NOTREACHED */
-		}
-
-		cur_scope = TAILQ_PREV(cur_scope, scope_tailq, scope_links);
-	}
-}

FUNET's LINUX-ADM group, linux-adm@nic.funet.fi
TCL-scripts by Sam Shen (who was at: slshen@lbl.gov)