^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) // SPDX-License-Identifier: GPL-2.0-or-later
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * Program to hack in a PT_NOTE program header entry in an ELF file.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) * This is needed for OF on RS/6000s to load an image correctly.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * Note that OF needs a program header entry for the note, not an
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) * ELF section.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) * Copyright 2000 Paul Mackerras.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) * Adapted for 64 bit little endian images by Andrew Tauferner.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) * Usage: addnote zImage
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include <stdio.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #include <stdlib.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #include <fcntl.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #include <unistd.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #include <string.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) /* CHRP note section */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) static const char arch[] = "PowerPC";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) #define N_DESCR 6
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) unsigned int descr[N_DESCR] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) 0xffffffff, /* real-mode = true */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) 0x02000000, /* real-base, i.e. where we expect OF to be */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) 0xffffffff, /* real-size */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) 0xffffffff, /* virt-base */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) 0xffffffff, /* virt-size */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) 0x4000, /* load-base */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) /* RPA note section */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) static const char rpaname[] = "IBM,RPA-Client-Config";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) * Note: setting ignore_my_client_config *should* mean that OF ignores
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) * all the other fields, but there is a firmware bug which means that
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) * it looks at the splpar field at least. So these values need to be
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) * reasonable.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) #define N_RPA_DESCR 8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) unsigned int rpanote[N_RPA_DESCR] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) 0, /* lparaffinity */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) 64, /* min_rmo_size */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) 0, /* min_rmo_percent */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) 40, /* max_pft_size */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) 1, /* splpar */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) -1, /* min_load */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) 0, /* new_mem_def */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) 1, /* ignore_my_client_config */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) #define ROUNDUP(len) (((len) + 3) & ~3)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) unsigned char buf[1024];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) #define ELFDATA2LSB 1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) #define ELFDATA2MSB 2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) static int e_data = ELFDATA2MSB;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) #define ELFCLASS32 1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) #define ELFCLASS64 2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) static int e_class = ELFCLASS32;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) #define GET_16BE(off) ((buf[off] << 8) + (buf[(off)+1]))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) #define GET_32BE(off) ((GET_16BE(off) << 16U) + GET_16BE((off)+2U))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) #define GET_64BE(off) ((((unsigned long long)GET_32BE(off)) << 32ULL) + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) ((unsigned long long)GET_32BE((off)+4ULL)))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) #define PUT_16BE(off, v)(buf[off] = ((v) >> 8) & 0xff, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) buf[(off) + 1] = (v) & 0xff)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) #define PUT_32BE(off, v)(PUT_16BE((off), (v) >> 16L), PUT_16BE((off) + 2, (v)))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) #define PUT_64BE(off, v)((PUT_32BE((off), (v) >> 32L), \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) PUT_32BE((off) + 4, (v))))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) #define GET_16LE(off) ((buf[off]) + (buf[(off)+1] << 8))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) #define GET_32LE(off) (GET_16LE(off) + (GET_16LE((off)+2U) << 16U))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) #define GET_64LE(off) ((unsigned long long)GET_32LE(off) + \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) (((unsigned long long)GET_32LE((off)+4ULL)) << 32ULL))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) #define PUT_16LE(off, v) (buf[off] = (v) & 0xff, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) buf[(off) + 1] = ((v) >> 8) & 0xff)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) #define PUT_32LE(off, v) (PUT_16LE((off), (v)), PUT_16LE((off) + 2, (v) >> 16L))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) #define PUT_64LE(off, v) (PUT_32LE((off), (v)), PUT_32LE((off) + 4, (v) >> 32L))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) #define GET_16(off) (e_data == ELFDATA2MSB ? GET_16BE(off) : GET_16LE(off))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) #define GET_32(off) (e_data == ELFDATA2MSB ? GET_32BE(off) : GET_32LE(off))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) #define GET_64(off) (e_data == ELFDATA2MSB ? GET_64BE(off) : GET_64LE(off))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) #define PUT_16(off, v) (e_data == ELFDATA2MSB ? PUT_16BE(off, v) : \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) PUT_16LE(off, v))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) #define PUT_32(off, v) (e_data == ELFDATA2MSB ? PUT_32BE(off, v) : \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) PUT_32LE(off, v))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) #define PUT_64(off, v) (e_data == ELFDATA2MSB ? PUT_64BE(off, v) : \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) PUT_64LE(off, v))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) /* Structure of an ELF file */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) #define E_IDENT 0 /* ELF header */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) #define E_PHOFF (e_class == ELFCLASS32 ? 28 : 32)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) #define E_PHENTSIZE (e_class == ELFCLASS32 ? 42 : 54)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) #define E_PHNUM (e_class == ELFCLASS32 ? 44 : 56)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) #define E_HSIZE (e_class == ELFCLASS32 ? 52 : 64)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) #define EI_MAGIC 0 /* offsets in E_IDENT area */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) #define EI_CLASS 4
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) #define EI_DATA 5
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) #define PH_TYPE 0 /* ELF program header */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) #define PH_OFFSET (e_class == ELFCLASS32 ? 4 : 8)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) #define PH_FILESZ (e_class == ELFCLASS32 ? 16 : 32)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) #define PH_HSIZE (e_class == ELFCLASS32 ? 32 : 56)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) #define PT_NOTE 4 /* Program header type = note */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) unsigned char elf_magic[4] = { 0x7f, 'E', 'L', 'F' };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) main(int ac, char **av)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) int fd, n, i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) unsigned long ph, ps, np;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) long nnote, nnote2, ns;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) if (ac != 2) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) fprintf(stderr, "Usage: %s elf-file\n", av[0]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) exit(1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) fd = open(av[1], O_RDWR);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) if (fd < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) perror(av[1]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) exit(1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) nnote = 12 + ROUNDUP(strlen(arch) + 1) + sizeof(descr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) nnote2 = 12 + ROUNDUP(strlen(rpaname) + 1) + sizeof(rpanote);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) n = read(fd, buf, sizeof(buf));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) if (n < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) perror("read");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) exit(1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) if (memcmp(&buf[E_IDENT+EI_MAGIC], elf_magic, 4) != 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) goto notelf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) e_class = buf[E_IDENT+EI_CLASS];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) if (e_class != ELFCLASS32 && e_class != ELFCLASS64)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) goto notelf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) e_data = buf[E_IDENT+EI_DATA];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) if (e_data != ELFDATA2MSB && e_data != ELFDATA2LSB)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) goto notelf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) if (n < E_HSIZE)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) goto notelf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) ph = (e_class == ELFCLASS32 ? GET_32(E_PHOFF) : GET_64(E_PHOFF));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) ps = GET_16(E_PHENTSIZE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) np = GET_16(E_PHNUM);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) if (ph < E_HSIZE || ps < PH_HSIZE || np < 1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) goto notelf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) if (ph + (np + 2) * ps + nnote + nnote2 > n)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) goto nospace;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) for (i = 0; i < np; ++i) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) if (GET_32(ph + PH_TYPE) == PT_NOTE) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) fprintf(stderr, "%s already has a note entry\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) av[1]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) exit(0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) ph += ps;
^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) /* XXX check that the area we want to use is all zeroes */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) for (i = 0; i < 2 * ps + nnote + nnote2; ++i)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) if (buf[ph + i] != 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) goto nospace;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) /* fill in the program header entry */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) ns = ph + 2 * ps;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) PUT_32(ph + PH_TYPE, PT_NOTE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) if (e_class == ELFCLASS32)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) PUT_32(ph + PH_OFFSET, ns);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) PUT_64(ph + PH_OFFSET, ns);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) if (e_class == ELFCLASS32)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) PUT_32(ph + PH_FILESZ, nnote);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) PUT_64(ph + PH_FILESZ, nnote);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) /* fill in the note area we point to */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) /* XXX we should probably make this a proper section */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) PUT_32(ns, strlen(arch) + 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) PUT_32(ns + 4, N_DESCR * 4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) PUT_32(ns + 8, 0x1275);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) strcpy((char *) &buf[ns + 12], arch);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) ns += 12 + strlen(arch) + 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) for (i = 0; i < N_DESCR; ++i, ns += 4)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) PUT_32BE(ns, descr[i]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) /* fill in the second program header entry and the RPA note area */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) ph += ps;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) PUT_32(ph + PH_TYPE, PT_NOTE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) if (e_class == ELFCLASS32)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) PUT_32(ph + PH_OFFSET, ns);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) PUT_64(ph + PH_OFFSET, ns);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) if (e_class == ELFCLASS32)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) PUT_32(ph + PH_FILESZ, nnote);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) PUT_64(ph + PH_FILESZ, nnote2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) /* fill in the note area we point to */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) PUT_32(ns, strlen(rpaname) + 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) PUT_32(ns + 4, sizeof(rpanote));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) PUT_32(ns + 8, 0x12759999);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) strcpy((char *) &buf[ns + 12], rpaname);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) ns += 12 + ROUNDUP(strlen(rpaname) + 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) for (i = 0; i < N_RPA_DESCR; ++i, ns += 4)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) PUT_32BE(ns, rpanote[i]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) /* Update the number of program headers */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) PUT_16(E_PHNUM, np + 2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) /* write back */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) i = lseek(fd, (long) 0, SEEK_SET);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) if (i < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) perror("lseek");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) exit(1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) i = write(fd, buf, n);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) if (i < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) perror("write");
^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) if (i < n) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) fprintf(stderr, "%s: write truncated\n", av[1]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) exit(1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) exit(0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) notelf:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) fprintf(stderr, "%s does not appear to be an ELF file\n", av[1]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) exit(1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) nospace:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) fprintf(stderr, "sorry, I can't find space in %s to put the note\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) av[1]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) exit(1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) }
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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