diff options
| -rw-r--r-- | util/Offsets.c | 250 | ||||
| -rw-r--r-- | util/mergedep.pl | 86 |
2 files changed, 0 insertions, 336 deletions
diff --git a/util/Offsets.c b/util/Offsets.c deleted file mode 100644 index 3cf5a46..0000000 --- a/util/Offsets.c +++ /dev/null @@ -1,250 +0,0 @@ -/* -** SCCS ID: @(#)Offsets.c 2.2 1/23/25 -** -** @file Offsets.c -** -** @author Warren R. Carithers -** -** Print byte offsets for fields in various structures. -** -** This program exists to simplify life. If/when fields in a structure -** are changed, this can be modified, recompiled and executed to come up with -** byte offsets for use in accessing structure fields from assembly language. -** It makes use of the C 'offsetof' macro (defined since C89). -** -** IMPORTANT NOTE: compiling this on a 64-bit architecture will yield -** incorrect results by default, as 64-bit GCC versions most often use -** the LP64 model (longs and pointers are 64 bits). Add the "-mx32" -** option to the compiler (compile for x86_64, but use 32-bit sizes), -** and make sure you have the 'libc6-dev-i386' package installed (for -** Ubuntu systems). -** -** WATCH FOR clashes with standard system functions; compile with the -** "-fno-builtin" option to avoid warnings about clashes with builtin -** function declarations. -** -** Writes to stdout. Output contains information about type sizes and -** byte offsets for fields within structures. If invoked with the -h -** option, the output takes the form of a standard C header file; -** otherwise, the information is printed in ordinary text form. -** -** If compiled with the CREATE_HEADER_FILE macro defined, when invoked -** with the -h option, writes the data directly into a file named -** "offsets.h". -*/ - -// make sure we get all the kernel stuff -#define KERNEL_SRC - -// include any of our headers that define data structures to be described -#include <common.h> -#include <procs.h> - -// avoid complaints about NULL from stdio.h -#ifdef NULL -#undef NULL -#endif - -#include <stdio.h> -#include <stddef.h> -#include <stdlib.h> -#include <unistd.h> - -/* -** We don't include <time.h> because of conflicts with a time_t data -** type we may be defining; instead, we provide our own prototypes for -** ctime() and time(). -*/ - -extern char *ctime( const __time_t *timep ); -extern __time_t time( __time_t *tloc ); - -/* -** Header comment, including header guard -** -** No newline on the "Creation date" line, because ctime() -** puts a newline at the end of the string it produces. -*/ -char h_prefix[] = "/**\n" -"** @file\toffsets.h\n" -"**\n" -"** GENERATED AUTOMATICALLY - DO NOT EDIT\n" -"**\n" -"** Creation date: %s" -"**\n" -"** This header file contains C Preprocessor macros which expand\n" -"** into the byte offsets needed to reach fields within structs\n" -"** used in the baseline system. Should those struct declarations\n" -"** change, the Offsets program should be modified (if needed),\n" -"** recompiled, and re-run to recreate this file.\n" -"*/\n" -"\n" -"#ifndef OFFSETS_H_\n" -"#define OFFSETS_H_\n"; - -/* -** Header guard suffix -*/ -char h_suffix[] = "\n" -"#endif\n"; - -// are we generating the .h file? -int genheader = 0; - -// header file stream -FILE *hfile; - -// prefix for header file lines - -// produce a report line -void process( const char *sname, const char *field, size_t bytes ) { - if( genheader ) { - char name[64]; - sprintf( name, "%s_%s", sname, field ); - fprintf( hfile, "#define\t%-23s\t%u\n", name, bytes ); - } else { - printf( " %-10s %u\n", field, bytes ); - } -} - -#ifdef CREATE_HEADER_FILE -// dump out the header -void setheader( void ) { - // trigger output into the header file - genheader = 1; - - hfile = fopen( "offsets.h", "w" ); - if( hfile == NULL ) { - perror( "offsets.h" ); - exit( 1 ); - } - - __time_t t; - (void) time( &t ); - - fprintf( hfile, h_prefix, ctime(&t) ); -} -#endif /* CREATE_HEADER_FILE */ - -// introduce an "offsets" section for structs -void hsection( const char *name, const char *typename, size_t size ) { - if( genheader ) { - fprintf( hfile, "\n// %s structure\n\n", typename ); - process( "SZ", name, size ); - fputc( '\n', hfile ); - } else { - printf( "Offsets into %s (%u bytes):\n", typename, size ); - } -} - -// introduce a "sizes" section for types -void tsection( const char *name, const char *typename ) { - if( genheader ) { - fprintf( hfile, "\n// Sizes of %s types\n\n", typename ); - } else { - printf( "Sizes of %s types:\n", typename ); - } -} - -int main( int argc, char *argv[] ) { - - hfile = stdout; - - if( argc > 1 ) { -#ifdef CREATE_HEADER_FILE - // only accept one argument - if( argc == 2 ) { - // -h: produce an offsets.h header file - if( argv[1][0] == '-' && argv[1][1] == '-h' ) { - setheader(); - } - } else { - fprintf( stderr, "usage: %s [-h]\n", argv[0] ); - exit( 1 ); - } -#else - // we accept no arguments - fprintf( stderr, "usage: %s\n", argv[0] ); - exit( 1 ); -#endif /* CREATE_HEADER_FILE */ - } - - /* - ** Basic and simple/opaque types - */ - - tsection( "SZ", "basic" ); - process( "SZ", "char", sizeof(char) ); - process( "SZ", "short", sizeof(short) ); - process( "SZ", "int", sizeof(int) ); - process( "SZ", "long", sizeof(long) ); - process( "SZ", "long_long", sizeof(long long) ); - process( "SZ", "pointer", sizeof(void *) ); - fputc( '\n', hfile ); - - tsection( "SZ", "our" ); - process( "SZ", "int8_t", sizeof(int8_t) ); - process( "SZ", "uint8_t", sizeof(uint8_t) ); - process( "SZ", "int16_t", sizeof(int16_t) ); - process( "SZ", "uint16_t", sizeof(uint16_t) ); - process( "SZ", "int32_t", sizeof(int32_t) ); - process( "SZ", "uint32_t", sizeof(uint32_t) ); - process( "SZ", "int64_t", sizeof(int64_t) ); - process( "SZ", "uint64_t", sizeof(uint64_t) ); - process( "SZ", "bool_t", sizeof(bool_t) ); - fputc( '\n', hfile ); - - /* - ** Structured types whose fields we are describing - */ - - // add entries for each type here, as needed - - hsection( "CTX", "context_t", sizeof(context_t) ); - process( "CTX", "ss", offsetof(context_t,ss) ); - process( "CTX", "gs", offsetof(context_t,gs) ); - process( "CTX", "fs", offsetof(context_t,fs) ); - process( "CTX", "es", offsetof(context_t,es) ); - process( "CTX", "ds", offsetof(context_t,ds) ); - process( "CTX", "edi", offsetof(context_t,edi) ); - process( "CTX", "esi", offsetof(context_t,esi) ); - process( "CTX", "ebp", offsetof(context_t,ebp) ); - process( "CTX", "esp", offsetof(context_t,esp) ); - process( "CTX", "ebx", offsetof(context_t,ebx) ); - process( "CTX", "edx", offsetof(context_t,edx) ); - process( "CTX", "ecx", offsetof(context_t,ecx) ); - process( "CTX", "eax", offsetof(context_t,eax) ); - process( "CTX", "vector", offsetof(context_t,vector) ); - process( "CTX", "code", offsetof(context_t,code) ); - process( "CTX", "eip", offsetof(context_t,eip) ); - process( "CTX", "cs", offsetof(context_t,cs) ); - process( "CTX", "eflags", offsetof(context_t,eflags) ); - fputc( '\n', hfile ); - - hsection( "SCT", "section_t", sizeof(section_t) ); - process( "SCT", "length", offsetof(section_t,length) ); - process( "SCT", "addr", offsetof(section_t,addr) ); - fputc( '\n', hfile ); - - hsection( "PCB", "pcb_t", sizeof(pcb_t) ); - process( "PCB", "context", offsetof(pcb_t,context) ); - process( "PCB", "next", offsetof(pcb_t,next) ); - process( "PCB", "parent", offsetof(pcb_t,parent) ); - process( "PCB", "wakeup", offsetof(pcb_t,wakeup) ); - process( "PCB", "exit_status", offsetof(pcb_t,exit_status) ); - process( "PCB", "pdir", offsetof(pcb_t,pdir) ); - process( "PCB", "sects", offsetof(pcb_t,sects) ); - process( "PCB", "pid", offsetof(pcb_t,pid) ); - process( "PCB", "state", offsetof(pcb_t,state) ); - process( "PCB", "priority", offsetof(pcb_t,priority) ); - process( "PCB", "ticks", offsetof(pcb_t,ticks) ); - fputc( '\n', hfile ); - - // finish up the offsets.h file if we need to - if( genheader ) { - fputs( h_suffix, hfile ); - fclose( hfile ); - } - - return( 0 ); -} diff --git a/util/mergedep.pl b/util/mergedep.pl deleted file mode 100644 index 1730d53..0000000 --- a/util/mergedep.pl +++ /dev/null @@ -1,86 +0,0 @@ -#!/usr/bin/perl -# Copyright 2003 Bryan Ford -# Distributed under the GNU General Public License. -# -# Usage: mergedep <main-depfile> [<new-depfiles> ...] -# -# This script merges the contents of all <new-depfiles> specified -# on the command line into the single file <main-depfile>, -# which may or may not previously exist. -# Dependencies in the <new-depfiles> will override -# any existing dependencies for the same targets in <main-depfile>. -# The <new-depfiles> are deleted after <main-depfile> is updated. -# -# The <new-depfiles> are typically generated by GCC with the -MD option, -# and the <main-depfile> is typically included from a Makefile, -# as shown here for GNU 'make': -# -# .deps: $(wildcard *.d) -# perl mergedep $@ $^ -# -include .deps -# -# This script properly handles multiple dependencies per <new-depfile>, -# including dependencies having no target, -# so it is compatible with GCC3's -MP option. -# - -sub readdeps { - my $filename = shift; - - open(DEPFILE, $filename) or return 0; - while (<DEPFILE>) { - if (/([^:]*):([^\\:]*)([\\]?)$/) { - my $target = $1; - my $deplines = $2; - my $slash = $3; - while ($slash ne '') { - $_ = <DEPFILE>; - defined($_) or die - "Unterminated dependency in $filename"; - /(^[ \t][^\\]*)([\\]?)$/ or die - "Bad continuation line in $filename"; - $deplines = "$deplines\\\n$1"; - $slash = $2; - } - #print "DEPENDENCY [[$target]]: [[$deplines]]\n"; - $dephash{$target} = $deplines; - } elsif (/^[#]?[ \t]*$/) { - # ignore blank lines and comments - } else { - die "Bad dependency line in $filename: $_"; - } - } - close DEPFILE; - return 1; -} - - -if ($#ARGV < 0) { - print "Usage: mergedep <main-depfile> [<new-depfiles> ..]\n"; - exit(1); -} - -%dephash = (); - -# Read the main dependency file -$maindeps = $ARGV[0]; -readdeps($maindeps); - -# Read and merge in the new dependency files -foreach $i (1 .. $#ARGV) { - readdeps($ARGV[$i]) or die "Can't open $ARGV[$i]"; -} - -# Update the main dependency file -open(DEPFILE, ">$maindeps.tmp") or die "Can't open output file $maindeps.tmp"; -foreach $target (keys %dephash) { - print DEPFILE "$target:$dephash{$target}"; -} -close DEPFILE; -rename("$maindeps.tmp", "$maindeps") or die "Can't overwrite $maindeps"; - -# Finally, delete the new dependency files -foreach $i (1 .. $#ARGV) { - unlink($ARGV[$i]) or print "Error removing $ARGV[$i]\n"; -} - |