mirror of
https://github.com/ibm-s390-linux/s390-tools.git
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b627b8d8e1
This commit is based on the s390-tools-1.39.0 version. Changes on top of s390-tools-1.39.0: - Add MIT license to all source files - Add LICENSE file - Transform REAMDE to README.md (markdown) - Add AUTHORS.md file - Add CONTRIBUTING.md file - Move changelog from README to CHANGELOG.md file Reviewed-by: Stefan Haberland <sth@linux.vnet.ibm.com> Signed-off-by: Michael Holzheu <holzheu@linux.vnet.ibm.com>
635 lines
17 KiB
C++
635 lines
17 KiB
C++
/*
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* vmdump - z/VM dump conversion library
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*
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* Register content classes:
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* VMDump, VMDumpClassic, VMDump64, VMDump64Big, VMDump32
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*
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* Copyright IBM Corp. 2004, 2017
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*
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* s390-tools is free software; you can redistribute it and/or modify
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* it under the terms of the MIT license. See LICENSE for details.
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*/
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#include <ctype.h>
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#include <stdint.h>
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#include <time.h>
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#include "vm_dump.h"
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Dump::DumpType VMDump::getDumpType(const char* inputFileName)
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{
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uint8_t fmbk_id[8] = {0xc8, 0xc3, 0xd7, 0xc4, 0xc6, 0xd4, 0xc2, 0xd2};
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struct _fir_basic fir;
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struct _fmbk fmbk;
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struct _adsr adsr;
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char msg[200];
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FILE* fh;
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fh = fopen(inputFileName,"r");
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if (!fh) {
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sprintf(msg,"Could not open '%s'",inputFileName);
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throw DumpErrnoException(msg);
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}
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/* Record 1: adsr */
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dump_read(&adsr, sizeof(adsr), 1, fh);
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/* Record 2: fmbk */
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dump_seek(fh, 0x1000, SEEK_SET);
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if (fread(&fmbk, sizeof(fmbk), 1, fh) != 1) {
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if(ferror(fh)) {
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sprintf(msg,"Could not read header of vmdump '%s'",
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inputFileName);
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fclose(fh);
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throw DumpErrnoException(msg);
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} else{
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sprintf(msg,"Input file '%s' is not a vmdump",
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inputFileName);
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fclose(fh);
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throw DumpException(msg);
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}
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}
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/* Check if this is a vmdump */
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if (memcmp(fmbk.id, fmbk_id, 8) != 0 ||
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adsr.dump_type != 0xe5d4c4e4d4d74040ULL) {
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fclose(fh);
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sprintf(msg, "Input file '%s' is not a vmdump", inputFileName);
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throw DumpException(msg);
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}
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/* Record 3-7: fir */
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dump_seek(fh, (fmbk.rec_nr_fir - 1) * 0x1000, SEEK_SET);
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if(fread(&fir, sizeof(fir), 1, fh) != 1) {
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if (ferror(fh)) {
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sprintf(msg,"Could not read header of vmdump '%s'",
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inputFileName);
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fclose(fh);
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throw DumpErrnoException(msg);
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}
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else{
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sprintf(msg, "Could not read header of vmdump '%s'",
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inputFileName);
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fclose(fh);
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throw DumpException(msg);
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}
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}
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fclose(fh);
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if (fir.fir_format == 0) {
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return DT_VM32;
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} else if (fir.fir_format == 0x02) {/*XXX && (fir.dump_format == 0x1))*/
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return DT_VM64_BIG;
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} else if (fir.fir_format == 0x82) {
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return DT_VM64;
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} else {
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return DT_UNKNOWN;
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}
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}
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VMDump::VMDump(const char *fileName) : Dump(fileName, "rb")
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{
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uint8_t fmbk_id[8] = {0xc8, 0xc3, 0xd7, 0xc4, 0xc6, 0xd4, 0xc2, 0xd2};
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ebcdicAsciiConv = iconv_open("ISO-8859-1", "EBCDIC-US");
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/* Record 1: adsrRecord */
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dump_seek(fh,0,SEEK_SET);
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dump_read(&adsrRecord,sizeof(adsrRecord),1,fh);
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if(debug) {
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char buf[1024];
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int i;
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fprintf(stderr, "off=%d\n", adsrRecord.sec5_offset);
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dump_seek(fh, adsrRecord.sec5_offset, SEEK_SET);
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dump_read(buf, adsrRecord.sec5_len, 1, fh);
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ebcAsc(buf, adsrRecord.sec5_len);
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for (i=0; i < adsrRecord.sec5_len; i++) {
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if ((buf[i]==0) || iscntrl(buf[i]))
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buf[i]=' ';
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}
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buf[adsrRecord.sec5_len] = 0;
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printf("symptom string1: %s\n",buf);
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}
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/* Record 2: fmbk */
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dump_seek(fh,0x1000,SEEK_SET);
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dump_read(&fmbkRecord,sizeof(fmbkRecord),1,fh);
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/* Check if this is a vmdump */
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if(memcmp(fmbkRecord.id, fmbk_id, 8) != 0) {
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throw DumpException("Input file is not a vmdump");
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}
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/* Record 3-7: fir records read by subclasses */
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/* Record 8: albk */
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dump_seek(fh,(fmbkRecord.rec_nr_access-1)*0x1000 ,SEEK_SET);
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dump_read(&albkRecord,sizeof(albkRecord),1,fh);
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}
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struct timeval VMDump::getDumpTime(void) const
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{
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struct timeval rc;
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s390TodToTimeval(adsrRecord.tod,&rc);
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return rc;
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}
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void VMDump::printDebug(void)
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{
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struct timeval time;
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char buf[1024];
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s390TodToTimeval(adsrRecord.tod, &time);
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/* adsr */
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printf("time : %s\n", ctime(&time.tv_sec));
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printf("stat1 : %x\n", adsrRecord.record_status_flag1);
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printf("stat2 : %x\n", adsrRecord.record_status_flag2);
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printf("sec 2 len: %i\n", adsrRecord.sec2_len);
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printf("sec 2.1 len: %i/%i\n", adsrRecord.sec2_1_len,
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adsrRecord.sec2_1_offset);
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printf("sec 3 len: %i/%i\n", adsrRecord.sec3_len,
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adsrRecord.sec3_offset);
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printf("sec 4 len: %i/%i\n", adsrRecord.sec4_len,
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adsrRecord.sec4_offset);
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printf("sec 5 len: %i/%i\n", adsrRecord.sec5_len,
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adsrRecord.sec5_offset);
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printf("sec 6 len: %i/%i\n", adsrRecord.sec6_len,
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adsrRecord.sec6_offset);
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/* fmbk */
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ebcAsc(fmbkRecord.id, sizeof(fmbkRecord.id));
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fmbkRecord.id[7] = 0;
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printf("id : %s\n", fmbkRecord.id);
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printf("fir rec nr: %i\n", fmbkRecord.rec_nr_fir);
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printf("vec rec nr: %i\n", fmbkRecord.rec_nr_vector);
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printf("access rec nr: %i\n", fmbkRecord.rec_nr_access);
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/* albk */
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memcpy(buf, albkRecord.id, sizeof(albkRecord.id));
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ebcAsc(buf, sizeof(albkRecord.id));
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buf[8]=0;
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printf("ALBK id : %s\n",buf);
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/* asibk */
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/*
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XXX
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memcpy(buf,asibkRecord.id,sizeof(asibkRecord.id));
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ebcAsc(buf,sizeof(asibkRecord.id));
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asibkRecord.id[8]=0;
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printf("ASIBK id : %s\n",buf);
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printf("storage : %x\n",asibkRecord.storage_size_2GB);
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printf("bitmapsrecs : %i\n",asibkRecord.nr_of_recs_of_first_bit_map);
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*/
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}
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void VMDump::printInfo(void)
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{
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struct timeval time;
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s390TodToTimeval(adsrRecord.tod,&time);
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fprintf(stderr, " date........: %s",ctime(&time.tv_sec));
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}
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int VMDump::seekMem(uint64_t offset)
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{
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if (offset != 0) {
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return -1;
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}
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pageOffset = 0;
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return 0;
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}
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void VMDump::readMem(char* buf, int size)
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{
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int i;
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if (pageOffset == 0)
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dump_seek(fh, memoryStartRecord, SEEK_SET);
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if (size % 0x1000 != 0) {
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throw(DumpException("internal error: VMDump::readMem() " \
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"can only handle sizes which are multiples of page size"));
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}
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for(i = 0; i < size; i += 0x1000) {
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if(testPage(pageOffset)) {
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dump_read(buf + i, 0x1000, 1, fh);
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} else {
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memset(buf + i, 0, 0x1000);
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}
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pageOffset += 1;
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}
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}
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VMDump::~VMDump(void)
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{
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}
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/*****************************************************************************/
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/* VMDumpClassic: traditional 32/64 bit vmdump (before z/VM 5.2) */
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/*****************************************************************************/
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VMDumpClassic::VMDumpClassic(const char *fileName) : VMDump(fileName)
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{
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int storageKeyPages,bitMapPages;
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pageOffset = 0;
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/* Record 9: asibk */
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dump_seek(fh,fmbkRecord.rec_nr_access * 0x1000,SEEK_SET);
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dump_read(&asibkRecord,sizeof(asibkRecord),1,fh);
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/* Record 10: bitmaps */
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dump_seek(fh,(fmbkRecord.rec_nr_access + 1)* 0x1000 ,SEEK_SET);
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bitmap = new char[asibkRecord.storage_size_2GB / (0x1000 * 8)];
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dump_read(bitmap,asibkRecord.storage_size_2GB / (0x1000*8),1,fh);
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bitMapPages=asibkRecord.storage_size_2GB / (0x1000 * 8);
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if (bitMapPages % 0x1000 != 0)
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bitMapPages = bitMapPages/0x1000 + 1;
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else
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bitMapPages = bitMapPages/0x1000;
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storageKeyPages=asibkRecord.storage_size_2GB / 0x1000;
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if(storageKeyPages % 0x1000 != 0) {
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storageKeyPages = storageKeyPages/0x1000 + 1;
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} else {
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storageKeyPages = storageKeyPages/0x1000;
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}
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/* Skip storage keys */
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memoryStartRecord = (fmbkRecord.rec_nr_access + 1) *0x1000 /* 0x9000 */
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+ (bitMapPages + storageKeyPages)*0x1000;
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if(debug) {
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printf("Mem Offset: %llx\n", (long long) memoryStartRecord);
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}
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}
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void VMDumpClassic::printInfo(void)
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{
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VMDump::printInfo();
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fprintf(stderr, " storage.....: %i MB\n",
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asibkRecord.storage_size_2GB/(1024*1024));
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}
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VMDumpClassic::~VMDumpClassic(void)
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{
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delete bitmap;
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}
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/*****************************************************************************/
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/* VMDump32: 32 bit vmdump */
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/*****************************************************************************/
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VMDump32::VMDump32(const char* filename) : VMDumpClassic(filename)
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{
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int i;
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if(!fh) {
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return;
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}
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dump_seek(fh,(fmbkRecord.rec_nr_fir-1)* 0x1000 ,SEEK_SET);
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dump_read(&fir32Record,sizeof(fir32Record),1,fh);
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fir32OtherRecords = new _fir_other_32[fir32Record.online_cpus];
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for(i=0; i < fir32Record.online_cpus; i++) {
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/* fir other */
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dump_read(&fir32OtherRecords[i],sizeof(fir32OtherRecords[i]),1,
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fh);
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}
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if(debug)
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printDebug();
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}
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RegisterContent32 VMDump32::getRegisterContent(void)
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{
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RegisterContent32 rc;
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RegisterSet32 rs;
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int cpu;
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/* First CPU */
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memcpy(&rs.gprs, &fir32Record.gprs, sizeof(rs.gprs));
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memcpy(&rs.crs, &fir32Record.crs, sizeof(rs.crs));
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memcpy(&rs.acrs, &fir32Record.acrs, sizeof(rs.acrs));
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memcpy(&rs.psw, &fir32Record.psw, sizeof(rs.psw));
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memcpy(&rs.prefix, &fir32Record.prefix, sizeof(rs.prefix));
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memcpy(&rs.fprs, &fir32Record.fprs, sizeof(rs.fprs));
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memcpy(&rs.cpuTimer, &fir32Record.cpu_timer, sizeof(rs.cpuTimer));
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memcpy(&rs.clkCmp, &fir32Record.clock_cmp, sizeof(rs.clkCmp));
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rc.addRegisterSet(rs);
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/* Other online cpus */
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for(cpu = 0; cpu < fir32Record.online_cpus; cpu++) {
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memcpy(&rs.gprs, &fir32OtherRecords[cpu].gprs, sizeof(rs.gprs));
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memcpy(&rs.crs, &fir32OtherRecords[cpu].crs, sizeof(rs.crs));
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memcpy(&rs.acrs, &fir32OtherRecords[cpu].acrs, sizeof(rs.acrs));
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/* No psw for ESA vmdumps */
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rs.psw[0] = 0xdeadbeef;
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rs.psw[1] = 0xdeadbeef;
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memcpy(&rs.prefix, &fir32OtherRecords[cpu].prefix,
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sizeof(rs.prefix));
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memcpy(&rs.fprs, &fir32OtherRecords[cpu].fprs, sizeof(rs.fprs));
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memcpy(&rs.cpuTimer, &fir32OtherRecords[cpu].cpu_timer,
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sizeof(rs.cpuTimer));
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memcpy(&rs.clkCmp, &fir32OtherRecords[cpu].clock_cmp,
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sizeof(rs.clkCmp));
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rc.addRegisterSet(rs);
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}
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return rc;
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}
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void VMDump32::printDebug(void)
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{
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int i;
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VMDump::printDebug();
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printf("prefix: %x\n", fir32Record.prefix);
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printf("cpus: %x\n", fir32Record.online_cpus);
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printf("psw: %08x %08x\n", fir32Record.psw[0], fir32Record.psw[1]);
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for (i=0; i < fir32Record.online_cpus; i++) {
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/* fir other */
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printf("prefix (%i): %x\n", i, fir32OtherRecords[i].prefix);
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}
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}
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void
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VMDump32::printInfo(void)
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{
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fprintf(stderr, "vmdump information:\n");
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fprintf(stderr, " architecture: 32 bit\n");
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VMDumpClassic::printInfo();
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fprintf(stderr, " cpus........: %x\n", fir32Record.online_cpus + 1);
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}
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VMDump32::~VMDump32(void)
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{
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delete fir32OtherRecords;
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}
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/*****************************************************************************/
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/* VMDump64: 64 bit vmdump for old vmdump format (z/VM < 5.2) */
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/*****************************************************************************/
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VMDump64::VMDump64(const char* filename) : VMDumpClassic(filename)
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{
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int i;
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if(!fh) {
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return;
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}
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dump_seek(fh,(fmbkRecord.rec_nr_fir-1)* 0x1000 ,SEEK_SET);
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dump_read(&fir64Record,sizeof(fir64Record),1,fh);
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fir64OtherRecords = new _fir_other_64[fir64Record.online_cpus];
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for (i=0; i < fir64Record.online_cpus; i++) {
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/* fir other */
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dump_read(&fir64OtherRecords[i], sizeof(fir64OtherRecords[i]),
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1, fh);
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}
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if(debug)
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printDebug();
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}
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void VMDump64::printDebug(void)
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{
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int i;
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VMDump::printDebug();
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printf("prefix: %x\n", fir64Record.prefix);
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printf("cpus: %x\n", fir64Record.online_cpus);
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printf("psw: %016llx %016llx\n", (long long)fir64Record.psw[0],
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(long long)fir64Record.psw[1]);
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for (i=0; i < fir64Record.online_cpus; i++) {
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/* fir other */
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printf("prefix (%i): %x\n", i, fir64OtherRecords[i].prefix);
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}
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}
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void VMDump64::printInfo(void)
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{
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fprintf(stderr, "vmdump information:\n");
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fprintf(stderr, " architecture: 64 bit\n");
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VMDumpClassic::printInfo();
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fprintf(stderr, " cpus........: %x\n",fir64Record.online_cpus + 1);
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}
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RegisterContent64 VMDump64::getRegisterContent(void)
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{
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RegisterContent64 rc;
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RegisterSet64 rs;
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int cpu;
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/* First CPU */
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memcpy(&rs.gprs, &fir64Record.gprs, sizeof(rs.gprs));
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memcpy(&rs.crs, &fir64Record.crs, sizeof(rs.crs));
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memcpy(&rs.acrs, &fir64Record.acrs, sizeof(rs.acrs));
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memcpy(&rs.psw, &fir64Record.psw, sizeof(rs.psw));
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memcpy(&rs.prefix, &fir64Record.prefix, sizeof(rs.prefix));
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memcpy(&rs.fprs, &fir64Record.fprs, sizeof(rs.fprs));
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memcpy(&rs.cpuTimer, &fir64Record.cpu_timer, sizeof(rs.cpuTimer));
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memcpy(&rs.clkCmp, &fir64Record.clock_cmp, sizeof(rs.clkCmp));
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memcpy(&rs.fpCr, &fir64Record.fp_cntrl_reg, sizeof(rs.fpCr));
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rc.addRegisterSet(rs);
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/* other online cpus */
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for (cpu = 0; cpu < fir64Record.online_cpus; cpu++) {
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memcpy(&rs.gprs, &fir64OtherRecords[cpu].gprs, sizeof(rs.gprs));
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memcpy(&rs.crs, &fir64OtherRecords[cpu].crs, sizeof(rs.crs));
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memcpy(&rs.acrs, &fir64OtherRecords[cpu].acrs, sizeof(rs.acrs));
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memcpy(&rs.psw, &fir64OtherRecords[cpu].psw, sizeof(rs.psw));
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memcpy(&rs.prefix, &fir64OtherRecords[cpu].prefix,
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sizeof(rs.prefix));
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memcpy(&rs.fprs, &fir64OtherRecords[cpu].fprs, sizeof(rs.fprs));
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memcpy(&rs.cpuTimer, &fir64OtherRecords[cpu].cpu_timer,
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sizeof(rs.cpuTimer));
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memcpy(&rs.clkCmp, &fir64OtherRecords[cpu].clock_cmp,
|
|
sizeof(rs.clkCmp));
|
|
memcpy(&rs.fpCr, &fir64OtherRecords[cpu].fp_cntrl_reg,
|
|
sizeof(rs.fpCr));
|
|
rc.addRegisterSet(rs);
|
|
}
|
|
return rc;
|
|
}
|
|
|
|
VMDump64::~VMDump64(void)
|
|
{
|
|
delete fir64OtherRecords;
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/* VMDump64Big: 64 bit vmdump with new big storage dump format */
|
|
/*****************************************************************************/
|
|
|
|
VMDump64Big::VMDump64Big(const char* filename) : VMDump(filename)
|
|
{
|
|
uint64_t pageNum, nrDumpedPages;
|
|
int i, j;
|
|
|
|
if(!fh) {
|
|
return;
|
|
}
|
|
|
|
/* Record 9: asibk */
|
|
|
|
dump_seek(fh, fmbkRecord.rec_nr_access * 0x1000,SEEK_SET);
|
|
dump_read(&asibkRecordNew, sizeof(asibkRecordNew), 1, fh);
|
|
|
|
/* Record 10: bitmaps: */
|
|
/* Read all bitmap pages and setup bitmap array */
|
|
|
|
pageNum = 0;
|
|
nrDumpedPages = asibkRecordNew.storage_size_def_store / 0x1000;
|
|
memoryStartRecord = (fmbkRecord.rec_nr_access + 1) * 0x1000;
|
|
bitmap = new char[asibkRecordNew.storage_size_def_store/(0x1000 * 8)];
|
|
if(!bitmap) {
|
|
throw(DumpErrnoException("out of memory"));
|
|
}
|
|
memset(bitmap,0,asibkRecordNew.storage_size_def_store/(0x1000 * 8));
|
|
|
|
dump_seek(fh,(fmbkRecord.rec_nr_access + 1)* 0x1000 ,SEEK_SET);
|
|
|
|
do {
|
|
char bmIndexPage[0x1000];
|
|
|
|
dump_read(bmIndexPage, sizeof(bmIndexPage), 1, fh);
|
|
memoryStartRecord += 0x1000;
|
|
for (i=0; i < 0x1000; i++) {
|
|
if(testBitmapPage(bmIndexPage, i)) {
|
|
char bmPage[0x1000];
|
|
|
|
dump_read(bmPage,sizeof(bmPage),1,fh);
|
|
memoryStartRecord += 0x1000;
|
|
for(j = 0; j < 0x1000; j++) {
|
|
if(testBitmapKeyPage(bmPage, j)) {
|
|
setPageBit(pageNum);
|
|
}
|
|
pageNum++;
|
|
if(pageNum == nrDumpedPages) {
|
|
goto all_bitmaps_read;
|
|
}
|
|
}
|
|
} else {
|
|
pageNum += 0x1000; /* Empty pages */
|
|
}
|
|
}
|
|
} while (pageNum < nrDumpedPages);
|
|
|
|
all_bitmaps_read:
|
|
|
|
if(debug)
|
|
printf("Mem Offset: %llx\n", (long long)memoryStartRecord);
|
|
|
|
dump_seek(fh, (fmbkRecord.rec_nr_fir-1)* 0x1000, SEEK_SET);
|
|
dump_read(&fir64Record, sizeof(fir64Record), 1, fh);
|
|
|
|
fir64OtherRecords = new _fir_other_64[fir64Record.online_cpus];
|
|
for (i=0; i < fir64Record.online_cpus; i++) {
|
|
/* fir other */
|
|
dump_read(&fir64OtherRecords[i], sizeof(fir64OtherRecords[i]),
|
|
1, fh);
|
|
}
|
|
if(debug)
|
|
printDebug();
|
|
}
|
|
|
|
void VMDump64Big::printDebug(void)
|
|
{
|
|
int i;
|
|
|
|
VMDump::printDebug();
|
|
printf("prefix: %x\n", fir64Record.prefix);
|
|
printf("cpus: %x\n", fir64Record.online_cpus);
|
|
printf("psw: %016llx %016llx\n", (long long)fir64Record.psw[0],
|
|
(long long)fir64Record.psw[1]);
|
|
|
|
for (i=0; i < fir64Record.online_cpus; i++) {
|
|
/* fir other */
|
|
printf("prefix (%i): %x\n", i, fir64OtherRecords[i].prefix);
|
|
}
|
|
}
|
|
|
|
void VMDump64Big::printInfo(void)
|
|
{
|
|
fprintf(stderr, "vmdump information:\n");
|
|
fprintf(stderr, " architecture: 64 bit (big)\n");
|
|
fprintf(stderr, " storage.....: %lli MB\n",
|
|
(long long)asibkRecordNew.storage_size_def_store / (1024*1024));
|
|
VMDump::printInfo();
|
|
fprintf(stderr, " cpus........: %x\n", fir64Record.online_cpus + 1);
|
|
}
|
|
|
|
|
|
RegisterContent64 VMDump64Big::getRegisterContent(void)
|
|
{
|
|
RegisterContent64 rc;
|
|
RegisterSet64 rs;
|
|
int cpu;
|
|
|
|
/* First CPU */
|
|
|
|
memcpy(&rs.gprs, &fir64Record.gprs, sizeof(rs.gprs));
|
|
memcpy(&rs.crs, &fir64Record.crs, sizeof(rs.crs));
|
|
memcpy(&rs.acrs, &fir64Record.acrs, sizeof(rs.acrs));
|
|
memcpy(&rs.psw, &fir64Record.psw, sizeof(rs.psw));
|
|
memcpy(&rs.prefix, &fir64Record.prefix, sizeof(rs.prefix));
|
|
memcpy(&rs.fprs, &fir64Record.fprs, sizeof(rs.fprs));
|
|
memcpy(&rs.cpuTimer, &fir64Record.cpu_timer, sizeof(rs.cpuTimer));
|
|
memcpy(&rs.clkCmp, &fir64Record.clock_cmp, sizeof(rs.clkCmp));
|
|
memcpy(&rs.fpCr, &fir64Record.fp_cntrl_reg, sizeof(rs.fpCr));
|
|
|
|
rc.addRegisterSet(rs);
|
|
|
|
/* other online cpus */
|
|
|
|
for(cpu = 0; cpu < fir64Record.online_cpus; cpu++) {
|
|
memcpy(&rs.gprs, &fir64OtherRecords[cpu].gprs, sizeof(rs.gprs));
|
|
memcpy(&rs.crs, &fir64OtherRecords[cpu].crs, sizeof(rs.crs));
|
|
memcpy(&rs.acrs, &fir64OtherRecords[cpu].acrs, sizeof(rs.acrs));
|
|
memcpy(&rs.psw, &fir64OtherRecords[cpu].psw, sizeof(rs.psw));
|
|
memcpy(&rs.prefix, &fir64OtherRecords[cpu].prefix,
|
|
sizeof(rs.prefix));
|
|
memcpy(&rs.fprs, &fir64OtherRecords[cpu].fprs, sizeof(rs.fprs));
|
|
memcpy(&rs.cpuTimer, &fir64OtherRecords[cpu].cpu_timer,
|
|
sizeof(rs.cpuTimer));
|
|
memcpy(&rs.clkCmp, &fir64OtherRecords[cpu].clock_cmp,
|
|
sizeof(rs.clkCmp));
|
|
memcpy(&rs.fpCr, &fir64OtherRecords[cpu].fp_cntrl_reg,
|
|
sizeof(rs.fpCr));
|
|
rc.addRegisterSet(rs);
|
|
}
|
|
return rc;
|
|
}
|
|
|
|
VMDump64Big::~VMDump64Big(void)
|
|
{
|
|
delete bitmap;
|
|
delete fir64OtherRecords;
|
|
}
|