Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   1) // SPDX-License-Identifier: GPL-2.0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   3)  * arch/alpha/boot/tools/objstrip.c
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   4)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   5)  * Strip the object file headers/trailers from an executable (ELF or ECOFF).
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   6)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   7)  * Copyright (C) 1996 David Mosberger-Tang.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   8)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   9) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  10)  * Converts an ECOFF or ELF object file into a bootable file.  The
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  11)  * object file must be a OMAGIC file (i.e., data and bss follow immediately
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  12)  * behind the text).  See DEC "Assembly Language Programmer's Guide"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  13)  * documentation for details.  The SRM boot process is documented in
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  14)  * the Alpha AXP Architecture Reference Manual, Second Edition by
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  15)  * Richard L. Sites and Richard T. Witek.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  16)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  17) #include <stdio.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  18) #include <string.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  19) #include <stdlib.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  20) #include <unistd.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  21) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  22) #include <sys/fcntl.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  23) #include <sys/stat.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  24) #include <sys/types.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  25) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  26) #include <linux/a.out.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  27) #include <linux/coff.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  28) #include <linux/param.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  29) #ifdef __ELF__
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  30) # include <linux/elf.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  31) # define elfhdr elf64_hdr
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  32) # define elf_phdr elf64_phdr
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  33) # define elf_check_arch(x) ((x)->e_machine == EM_ALPHA)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  34) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  35) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  36) /* bootfile size must be multiple of BLOCK_SIZE: */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  37) #define BLOCK_SIZE	512
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  38) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  39) const char * prog_name;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  40) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  41) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  42) static void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  43) usage (void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  44) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  45)     fprintf(stderr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  46) 	    "usage: %s [-v] -p file primary\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  47) 	    "       %s [-vb] file [secondary]\n", prog_name, prog_name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  48)     exit(1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  49) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  50) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  51) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  52) int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  53) main (int argc, char *argv[])
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  54) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  55)     size_t nwritten, tocopy, n, mem_size, fil_size, pad = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  56)     int fd, ofd, i, j, verbose = 0, primary = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  57)     char buf[8192], *inname;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  58)     struct exec * aout;		/* includes file & aout header */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  59)     long offset;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  60) #ifdef __ELF__
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  61)     struct elfhdr *elf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  62)     struct elf_phdr *elf_phdr;	/* program header */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  63)     unsigned long long e_entry;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  64) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  65) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  66)     prog_name = argv[0];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  67) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  68)     for (i = 1; i < argc && argv[i][0] == '-'; ++i) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  69) 	for (j = 1; argv[i][j]; ++j) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  70) 	    switch (argv[i][j]) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  71) 	      case 'v':
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  72) 		  verbose = ~verbose;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  73) 		  break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  74) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  75) 	      case 'b':
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  76) 		  pad = BLOCK_SIZE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  77) 		  break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  78) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  79) 	      case 'p':
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  80) 		  primary = 1;		/* make primary bootblock */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  81) 		  break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  82) 	    }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  83) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  84)     }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  85) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  86)     if (i >= argc) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  87) 	usage();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  88)     }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  89)     inname = argv[i++];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  90) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  91)     fd = open(inname, O_RDONLY);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  92)     if (fd == -1) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  93) 	perror("open");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  94) 	exit(1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  95)     }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  96) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  97)     ofd = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  98)     if (i < argc) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  99) 	ofd = open(argv[i++], O_WRONLY | O_CREAT | O_TRUNC, 0666);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) 	if (ofd == -1) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) 	    perror("open");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) 	    exit(1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104)     }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106)     if (primary) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) 	/* generate bootblock for primary loader */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) 	
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) 	unsigned long bb[64], sum = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) 	struct stat st;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) 	off_t size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) 	int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) 	if (ofd == 1) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) 	    usage();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) 	if (fstat(fd, &st) == -1) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) 	    perror("fstat");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) 	    exit(1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) 	size = (st.st_size + BLOCK_SIZE - 1) & ~(BLOCK_SIZE - 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) 	memset(bb, 0, sizeof(bb));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) 	strcpy((char *) bb, "Linux SRM bootblock");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) 	bb[60] = size / BLOCK_SIZE;	/* count */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) 	bb[61] = 1;			/* starting sector # */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) 	bb[62] = 0;			/* flags---must be 0 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) 	for (i = 0; i < 63; ++i) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) 	    sum += bb[i];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) 	bb[63] = sum;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) 	if (write(ofd, bb, sizeof(bb)) != sizeof(bb)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) 	    perror("boot-block write");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) 	    exit(1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) 	printf("%lu\n", size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139)     }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141)     /* read and inspect exec header: */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143)     if (read(fd, buf, sizeof(buf)) < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) 	perror("read");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) 	exit(1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146)     }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) #ifdef __ELF__
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149)     elf = (struct elfhdr *) buf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151)     if (elf->e_ident[0] == 0x7f && str_has_prefix((char *)elf->e_ident + 1, "ELF")) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) 	if (elf->e_type != ET_EXEC) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) 	    fprintf(stderr, "%s: %s is not an ELF executable\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) 		    prog_name, inname);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) 	    exit(1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) 	if (!elf_check_arch(elf)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) 	    fprintf(stderr, "%s: is not for this processor (e_machine=%d)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) 		    prog_name, elf->e_machine);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) 	    exit(1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) 	if (elf->e_phnum != 1) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) 	    fprintf(stderr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) 		    "%s: %d program headers (forgot to link with -N?)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) 		    prog_name, elf->e_phnum);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) 	e_entry = elf->e_entry;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) 	lseek(fd, elf->e_phoff, SEEK_SET);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) 	if (read(fd, buf, sizeof(*elf_phdr)) != sizeof(*elf_phdr)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) 	    perror("read");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) 	    exit(1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) 	elf_phdr = (struct elf_phdr *) buf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) 	offset	 = elf_phdr->p_offset;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) 	mem_size = elf_phdr->p_memsz;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) 	fil_size = elf_phdr->p_filesz;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) 	/* work around ELF bug: */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) 	if (elf_phdr->p_vaddr < e_entry) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) 	    unsigned long delta = e_entry - elf_phdr->p_vaddr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) 	    offset   += delta;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) 	    mem_size -= delta;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) 	    fil_size -= delta;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) 	    elf_phdr->p_vaddr += delta;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) 	if (verbose) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) 	    fprintf(stderr, "%s: extracting %#016lx-%#016lx (at %lx)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) 		    prog_name, (long) elf_phdr->p_vaddr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) 		    elf_phdr->p_vaddr + fil_size, offset);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195)     } else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197)     {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) 	aout = (struct exec *) buf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) 	if (!(aout->fh.f_flags & COFF_F_EXEC)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) 	    fprintf(stderr, "%s: %s is not in executable format\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) 		    prog_name, inname);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) 	    exit(1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) 	if (aout->fh.f_opthdr != sizeof(aout->ah)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) 	    fprintf(stderr, "%s: %s has unexpected optional header size\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) 		    prog_name, inname);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) 	    exit(1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) 	if (N_MAGIC(*aout) != OMAGIC) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) 	    fprintf(stderr, "%s: %s is not an OMAGIC file\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) 		    prog_name, inname);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) 	    exit(1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) 	offset = N_TXTOFF(*aout);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) 	fil_size = aout->ah.tsize + aout->ah.dsize;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) 	mem_size = fil_size + aout->ah.bsize;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) 	if (verbose) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) 	    fprintf(stderr, "%s: extracting %#016lx-%#016lx (at %lx)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) 		    prog_name, aout->ah.text_start,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) 		    aout->ah.text_start + fil_size, offset);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226)     }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228)     if (lseek(fd, offset, SEEK_SET) != offset) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) 	perror("lseek");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) 	exit(1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231)     }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233)     if (verbose) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) 	fprintf(stderr, "%s: copying %lu byte from %s\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) 		prog_name, (unsigned long) fil_size, inname);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236)     }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238)     tocopy = fil_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239)     while (tocopy > 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) 	n = tocopy;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) 	if (n > sizeof(buf)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) 	    n = sizeof(buf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) 	tocopy -= n;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) 	if ((size_t) read(fd, buf, n) != n) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) 	    perror("read");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) 	    exit(1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) 	do {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) 	    nwritten = write(ofd, buf, n);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) 	    if ((ssize_t) nwritten == -1) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) 		perror("write");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) 		exit(1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) 	    }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) 	    n -= nwritten;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) 	} while (n > 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257)     }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259)     if (pad) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) 	mem_size = ((mem_size + pad - 1) / pad) * pad;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261)     }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263)     tocopy = mem_size - fil_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264)     if (tocopy > 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) 	fprintf(stderr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) 		"%s: zero-filling bss and aligning to %lu with %lu bytes\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) 		prog_name, pad, (unsigned long) tocopy);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) 	memset(buf, 0x00, sizeof(buf));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) 	do {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) 	    n = tocopy;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) 	    if (n > sizeof(buf)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) 		n = sizeof(buf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) 	    }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) 	    nwritten = write(ofd, buf, n);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) 	    if ((ssize_t) nwritten == -1) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) 		perror("write");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) 		exit(1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) 	    }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) 	    tocopy -= nwritten;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) 	} while (tocopy > 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282)     }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283)     return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) }