fprintf(stderr, "output vmlinux file \"%s\" failed to open.\n", argv[4]); 
fprintf(stderr, "output vmlinux file \"%s\" failed to open.\n", out_name); 
int main(int argc, char **argv){	char inbuf[4096];	FILE *ramDisk;	FILE *sysmap;	FILE *inputVmlinux;	FILE *outputVmlinux;	unsigned i;	unsigned long ramFileLen;	unsigned long ramLen;	unsigned long roundR;	unsigned long sysmapFileLen;	unsigned long sysmapLen;	unsigned long sysmapPages;	char *ptr_end;	unsigned long offset_end;	unsigned long kernelLen;	unsigned long actualKernelLen;	unsigned long round;	unsigned long roundedKernelLen;	unsigned long ramStartOffs;	unsigned long ramPages;	unsigned long roundedKernelPages;	unsigned long hvReleaseData;	u_int32_t eyeCatcher = 0xc8a5d9c4;	unsigned long naca;	unsigned long xRamDisk;	unsigned long xRamDiskSize;	long padPages;    	if (argc < 2) {		fprintf(stderr, "Name of RAM disk file missing.\n");		exit(1);	}	if (argc < 3) {		fprintf(stderr, "Name of System Map input file is missing.\n");		exit(1);	}  	if (argc < 4) {		fprintf(stderr, "Name of vmlinux file missing.\n");		exit(1);	}	if (argc < 5) {		fprintf(stderr, "Name of vmlinux output file missing.\n");		exit(1);	}	ramDisk = fopen(argv[1], "r");	if ( ! ramDisk ) {		fprintf(stderr, "RAM disk file \"%s\" failed to open.\n", argv[1]);		exit(1);	}	sysmap = fopen(argv[2], "r");	if ( ! sysmap ) {		fprintf(stderr, "System Map file \"%s\" failed to open.\n", argv[2]);		exit(1);	}  	inputVmlinux = fopen(argv[3], "r");	if ( ! inputVmlinux ) {		fprintf(stderr, "vmlinux file \"%s\" failed to open.\n", argv[3]);		exit(1);	}  	outputVmlinux = fopen(argv[4], "w+");	if ( ! outputVmlinux ) {		fprintf(stderr, "output vmlinux file \"%s\" failed to open.\n", argv[4]);		exit(1);	}      	/* Input Vmlinux file */	fseek(inputVmlinux, 0, SEEK_END);	kernelLen = ftell(inputVmlinux);	fseek(inputVmlinux, 0, SEEK_SET);	printf("kernel file size = %d\n", kernelLen);	if ( kernelLen == 0 ) {		fprintf(stderr, "You must have a linux kernel specified as argv[3]\n");		exit(1);	}	actualKernelLen = kernelLen - ElfHeaderSize;	printf("actual kernel length (minus ELF header) = %d\n", actualKernelLen);	round = actualKernelLen % 4096;	roundedKernelLen = actualKernelLen;	if ( round )		roundedKernelLen += (4096 - round);	printf("Vmlinux length rounded up to a 4k multiple = %ld/0x%lx \n", roundedKernelLen, roundedKernelLen);	roundedKernelPages = roundedKernelLen / 4096;	printf("Vmlinux pages to copy = %ld/0x%lx \n", roundedKernelPages, roundedKernelPages);	/* Input System Map file */	/* (needs to be processed simply to determine if we need to add pad pages due to the static variables not being included in the vmlinux) */	fseek(sysmap, 0, SEEK_END);	sysmapFileLen = ftell(sysmap);	fseek(sysmap, 0, SEEK_SET);	printf("%s file size = %ld/0x%lx \n", argv[2], sysmapFileLen, sysmapFileLen);	sysmapLen = sysmapFileLen;	roundR = 4096 - (sysmapLen % 4096);	if (roundR) {		printf("Rounding System Map file up to a multiple of 4096, adding %ld/0x%lx \n", roundR, roundR);		sysmapLen += roundR;	}	printf("Rounded System Map size is %ld/0x%lx \n", sysmapLen, sysmapLen);  	/* Process the Sysmap file to determine where _end is */	sysmapPages = sysmapLen / 4096;	/* read the whole file line by line, expect that it doesn't fail */	while ( fgets(inbuf, 4096, sysmap) )  ;	/* search for _end in the last page of the system map */	ptr_end = strstr(inbuf, " _end");	if (!ptr_end) {		fprintf(stderr, "Unable to find _end in the sysmap file \n");		fprintf(stderr, "inbuf: \n");		fprintf(stderr, "%s \n", inbuf);		exit(1);	}	printf("Found _end in the last page of the sysmap - backing up 10 characters it looks like %s", ptr_end-10);	/* convert address of _end in system map to hex offset. */	offset_end = (unsigned int)strtol(ptr_end-10, NULL, 16);	/* calc how many pages we need to insert between the vmlinux and the start of the ram disk */	padPages = offset_end/4096 - roundedKernelPages;	/* Check and see if the vmlinux is already larger than _end in System.map */	if (padPages < 0) {		/* vmlinux is larger than _end - adjust the offset to the start of the embedded ram disk */ 		offset_end = roundedKernelLen;		printf("vmlinux is larger than _end indicates it needs to be - offset_end = %lx \n", offset_end);		padPages = 0;		printf("will insert %lx pages between the vmlinux and the start of the ram disk \n", padPages);	}	else {		/* _end is larger than vmlinux - use the offset to _end that we calculated from the system map */		printf("vmlinux is smaller than _end indicates is needed - offset_end = %lx \n", offset_end);		printf("will insert %lx pages between the vmlinux and the start of the ram disk \n", padPages);	}	/* Input Ram Disk file */	// Set the offset that the ram disk will be started at.	ramStartOffs = offset_end;  /* determined from the input vmlinux file and the system map */	printf("Ram Disk will start at offset = 0x%lx \n", ramStartOffs);  	fseek(ramDisk, 0, SEEK_END);	ramFileLen = ftell(ramDisk);	fseek(ramDisk, 0, SEEK_SET);	printf("%s file size = %ld/0x%lx \n", argv[1], ramFileLen, ramFileLen);	ramLen = ramFileLen;	roundR = 4096 - (ramLen % 4096);	if ( roundR ) {		printf("Rounding RAM disk file up to a multiple of 4096, adding %ld/0x%lx \n", roundR, roundR);		ramLen += roundR;	}	printf("Rounded RAM disk size is %ld/0x%lx \n", ramLen, ramLen);	ramPages = ramLen / 4096;	printf("RAM disk pages to copy = %ld/0x%lx\n", ramPages, ramPages);  // Copy 64K ELF header	for (i=0; i<(ElfPages); ++i) {		get4k( inputVmlinux, inbuf );		put4k( outputVmlinux, inbuf );	}	/* Copy the vmlinux (as full pages). */	fseek(inputVmlinux, ElfHeaderSize, SEEK_SET);	for ( i=0; i<roundedKernelPages; ++i ) {		get4k( inputVmlinux, inbuf );		put4k( outputVmlinux, inbuf );	}  	/* Insert pad pages (if appropriate) that are needed between */	/* | the end of the vmlinux and the ram disk. */	for (i=0; i<padPages; ++i) {		memset(inbuf, 0, 4096);		put4k(outputVmlinux, inbuf);	}	/* Copy the ram disk (as full pages). */	for ( i=0; i<ramPages; ++i ) {		get4k( ramDisk, inbuf );		put4k( outputVmlinux, inbuf );	}	/* Close the input files */	fclose(ramDisk);	fclose(inputVmlinux);	/* And flush the written output file */	fflush(outputVmlinux);	/* Fixup the new vmlinux to contain the ram disk starting offset (xRamDisk) and the ram disk size (xRamDiskSize) */	/* fseek to the hvReleaseData pointer */	fseek(outputVmlinux, ElfHeaderSize + 0x24, SEEK_SET);	if (fread(&hvReleaseData, 4, 1, outputVmlinux) != 1) {		death("Could not read hvReleaseData pointer\n", outputVmlinux, argv[4]);	}	hvReleaseData = ntohl(hvReleaseData); /* Convert to native int */	printf("hvReleaseData is at %08x\n", hvReleaseData);	/* fseek to the hvReleaseData */	fseek(outputVmlinux, ElfHeaderSize + hvReleaseData, SEEK_SET);	if (fread(inbuf, 0x40, 1, outputVmlinux) != 1) {		death("Could not read hvReleaseData\n", outputVmlinux, argv[4]);	}	/* Check hvReleaseData sanity */	if (memcmp(inbuf, &eyeCatcher, 4) != 0) {		death("hvReleaseData is invalid\n", outputVmlinux, argv[4]);	}	/* Get the naca pointer */	naca = ntohl(*((u_int32_t*) &inbuf[0x0C])) - KERNELBASE;	printf("Naca is at offset 0x%lx \n", naca);	/* fseek to the naca */	fseek(outputVmlinux, ElfHeaderSize + naca, SEEK_SET);	if (fread(inbuf, 0x18, 1, outputVmlinux) != 1) {		death("Could not read naca\n", outputVmlinux, argv[4]);	}	xRamDisk = ntohl(*((u_int32_t *) &inbuf[0x0c]));	xRamDiskSize = ntohl(*((u_int32_t *) &inbuf[0x14]));	/* Make sure a RAM disk isn't already present */	if ((xRamDisk != 0) || (xRamDiskSize != 0)) {		death("RAM disk is already attached to this kernel\n", outputVmlinux, argv[4]);	}	/* Fill in the values */	*((u_int32_t *) &inbuf[0x0c]) = htonl(ramStartOffs);	*((u_int32_t *) &inbuf[0x14]) = htonl(ramPages);	/* Write out the new naca */	fflush(outputVmlinux);	fseek(outputVmlinux, ElfHeaderSize + naca, SEEK_SET);	if (fwrite(inbuf, 0x18, 1, outputVmlinux) != 1) {		death("Could not write naca\n", outputVmlinux, argv[4]);	}	printf("Ram Disk of 0x%lx pages is attached to the kernel at offset 0x%08x\n",	       ramPages, ramStartOffs);	/* Done */	fclose(outputVmlinux);	/* Set permission to executable */	chmod(argv[4], S_IRUSR|S_IWUSR|S_IXUSR|S_IRGRP|S_IXGRP|S_IROTH|S_IXOTH);	return 0;}
4520	/local/tlutelli/issta_data/temp/c/2005_temp/2005/4520/58638bffe3d594ed3a902824ea40a4196c745bbd/addRamDisk.c/buggy/arch/ppc64/boot/addRamDisk.c