cmd/savecore/savecore.c

43 #include <sys/dumphdr.h>
71 static dumphdr_t corehdr, dumphdr;	/* initial and terminal dumphdrs */
72 static boolean_t dump_incomplete;	/* dumphdr indicates incomplete */
353 	Pread(dumpfd, &dumphdr, sizeof (dumphdr), endoff);
354 	Pread(dumpfd, &datahdr, sizeof (datahdr), endoff + sizeof (dumphdr));
356 	pagesize = dumphdr.dump_pagesize;
358 	if (dumphdr.dump_magic != DUMP_MAGIC)
360 		    dumphdr.dump_magic);
362 	if ((dumphdr.dump_flags & DF_VALID) == 0 && !disregard_valid_flag)
366 	if (dumphdr.dump_version != DUMP_VERSION)
369 		    dumphdr.dump_version, progname, DUMP_VERSION);
371 	if (dumphdr.dump_wordsize != DUMP_WORDSIZE)
374 		    dumphdr.dump_wordsize, DUMP_WORDSIZE);
392 	Pread(dumpfd, &corehdr, sizeof (dumphdr_t), dumphdr.dump_start);
395 	dumphdr.dump_flags &= ~DF_VALID;
397 	if (memcmp(&corehdr, &dumphdr, sizeof (dumphdr_t)) != 0) {
402 			Pwrite(dumpfd, &dumphdr, sizeof (dumphdr), endoff);
418 	dumpsize = dumphdr.dump_data - dumphdr.dump_start;
419 	datasize = dumphdr.dump_npages * pagesize;
446 	Fseek(dumphdr.dump_map, in);
525 	pgcnt_t np = dumphdr.dump_npages;
529 	Fseek(dumphdr.dump_data, in);
539 			    dumphdr.dump_npages - np, csize, csize,
586 	Copy(dumphdr.dump_ksyms, dumphdr.dump_ksyms_csize, &coreoff, corefd,
594 	Copy(dumphdr.dump_pfn, dumphdr.dump_npages * sizeof (pfn_t), &coreoff,
602 	Copy(dumphdr.dump_map, dumphdr.dump_nvtop * sizeof (mem_vtop_t),
611 		Copy(dumphdr.dump_data, datahdr.dump_data_csize, &coreoff,
620 	 * From dumphdr.h: Two headers are written out: one at the
654 		Pwrite(dumpfd, &dumphdr, sizeof (dumphdr), endoff);
839 #define	BTOP(b)		((b) >> dumphdr.dump_pageshift)
840 #define	PTOB(p)		((p) << dumphdr.dump_pageshift)
1200 	Fseek(dumphdr.dump_data, dumpf);
1207 		 * See dumphdr.h for a description.
1286 			    saved >= dumphdr.dump_npages) {
1301 			if (saved >= dumphdr.dump_npages)
1326 	size_t pfn_table_size = dumphdr.dump_npages * sizeof (pfn_t);
1327 	size_t ksyms_size = dumphdr.dump_ksyms_size;
1328 	size_t ksyms_csize = dumphdr.dump_ksyms_csize;
1363 	Pread(dumpfd, ksyms_cbase, ksyms_csize, dumphdr.dump_ksyms);
1385 	Pread(dumpfd, pfn_table, pfn_table_size, dumphdr.dump_pfn);
1400 	    dumphdr.dump_npages);
1405 		    dumphdr.dump_npages);
1407 	if (saved != dumphdr.dump_npages)
1415 		Pwrite(dumpfd, &dumphdr, sizeof (dumphdr), endoff);
1730 	if (dumphdr.dump_panicstring[0] != '\0') {
1745 		    dumphdr.dump_panicstring);
1761 	if ((dumphdr.dump_flags & DF_COMPLETE) == 0) {
1766 	if (dumphdr.dump_fm_panic)
1783 	    ctime(&dumphdr.dump_crashtime));
1844 			    sizeof (dumphdr) + sizeof (datahdr));
1859 				    dumphdr.dump_utsname.sysname,
1860 				    dumphdr.dump_utsname.nodename,
1861 				    dumphdr.dump_utsname.release,
1862 				    dumphdr.dump_utsname.version,
1863 				    dumphdr.dump_utsname.machine);
1865 				    dumphdr.dump_flags & DF_LIVE ? "Live" :
1866 				    "Crash", ctime(&dumphdr.dump_crashtime));
1872 				    dumphdr.  dump_npages);
1875 				    dumphdr.dump_npages / sec);
1920 			    dumphdr.dump_utsname.sysname,
1921 			    dumphdr.dump_utsname.nodename,
1922 			    dumphdr.dump_utsname.release,
1923 			    dumphdr.dump_utsname.version,
1924 			    dumphdr.dump_utsname.machine);