diff options
Diffstat (limited to 'usr.sbin/btxld')
| -rw-r--r-- | usr.sbin/btxld/Makefile | 7 | ||||
| -rw-r--r-- | usr.sbin/btxld/btx.h | 68 | ||||
| -rw-r--r-- | usr.sbin/btxld/btxld.8 | 98 | ||||
| -rw-r--r-- | usr.sbin/btxld/btxld.c | 575 | ||||
| -rw-r--r-- | usr.sbin/btxld/elfh.c | 125 | ||||
| -rw-r--r-- | usr.sbin/btxld/elfh.h | 38 |
6 files changed, 0 insertions, 911 deletions
diff --git a/usr.sbin/btxld/Makefile b/usr.sbin/btxld/Makefile deleted file mode 100644 index 32cf99d..0000000 --- a/usr.sbin/btxld/Makefile +++ /dev/null @@ -1,7 +0,0 @@ -# $FreeBSD$ - -PROG= btxld -MAN= btxld.8 -SRCS= btxld.c elfh.c - -.include <bsd.prog.mk> diff --git a/usr.sbin/btxld/btx.h b/usr.sbin/btxld/btx.h deleted file mode 100644 index 86f0ede..0000000 --- a/usr.sbin/btxld/btx.h +++ /dev/null @@ -1,68 +0,0 @@ -/* - * Copyright (c) 1998 Robert Nordier - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR - * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS - * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, - * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT - * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR - * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, - * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE - * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, - * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - * $FreeBSD$ - */ - -#ifndef _BTX_H_ -#define _BTX_H_ - -#include <sys/types.h> - -#define BTX_PGSIZE 0x1000 /* Page size */ -#define BTX_PGBASE 0x5000 /* Start of page tables */ -#define BTX_MAXCWR 0x3bc /* Max. btx_pgctl adjustment */ - -/* - * BTX image header. - */ -struct btx_hdr { - uint8_t btx_machid; /* Machine ID */ - uint8_t btx_hdrsz; /* Header size */ - uint8_t btx_magic[3]; /* Magic */ - uint8_t btx_majver; /* Major version */ - uint8_t btx_minver; /* Minor version */ - uint8_t btx_flags; /* Flags */ - uint16_t btx_pgctl; /* Paging control */ - uint16_t btx_textsz; /* Text size */ - uint32_t btx_entry; /* Client entry address */ -}; - -/* btx_machid */ -#define BTX_I386 0xeb /* Intel i386 or compatible */ - -/* btx_magic */ -#define BTX_MAG0 'B' -#define BTX_MAG1 'T' -#define BTX_MAG2 'X' - -/* btx_flags */ -#define BTX_MAPONE 0x80 /* Start mapping at page 1 */ - -#define BTX_MAPPED(btx) (((btx).btx_pgctl | (BTX_PGSIZE / 4 - 1)) + 1) -#define BTX_ORIGIN(btx) (BTX_PGBASE + BTX_MAPPED(btx) * 4) -#define BTX_ENTRY(btx) (BTX_ORIGIN(btx) + 2 + (btx).btx_hdrsz) - -#endif /* !_BTX_H_ */ diff --git a/usr.sbin/btxld/btxld.8 b/usr.sbin/btxld/btxld.8 deleted file mode 100644 index 5b514f6..0000000 --- a/usr.sbin/btxld/btxld.8 +++ /dev/null @@ -1,98 +0,0 @@ -.\" Copyright (c) 1998 Robert Nordier -.\" All rights reserved. -.\" -.\" Redistribution and use in source and binary forms, with or without -.\" modification, are permitted provided that the following conditions -.\" are met: -.\" 1. Redistributions of source code must retain the above copyright -.\" notice, this list of conditions and the following disclaimer. -.\" 2. Redistributions in binary form must reproduce the above copyright -.\" notice, this list of conditions and the following disclaimer in the -.\" documentation and/or other materials provided with the distribution. -.\" -.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS``AS IS'' AND -.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR -.\" PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS -.\" BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, -.\" OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT -.\" OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR -.\" BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, -.\" WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE -.\" OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, -.\" EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -.\" -.\" $FreeBSD$ -.\" -.Dd September 12, 1998 -.Dt BTXLD 8 -.Os -.Sh NAME -.Nm btxld -.Nd link editor for BTX clients -.Sh SYNOPSIS -.Nm -.Op Fl qv -.Op Fl b Ar file -.Op Fl E Ar address -.Op Fl e Ar address -.Op Fl f Ar format -.Op Fl l Ar file -.Op Fl o Ar filename -.Op Fl P Ar page -.Op Fl W Ar page -.Ar file -.Sh DESCRIPTION -The -.Nm -utility binds the specified client executable together with a BTX -loader program and the BTX kernel, and creates a composite object file -suitable for loading during the boot process. -.Pp -The options are: -.Bl -tag -width indent -.It Fl q -Quiet: inhibit warnings. -.It Fl v -Verbose: display information about the files processed. -.It Fl b Ar file -Specify the BTX kernel to be bound with the client. -.It Fl E Ar address -Set the client entry point. -.It Fl e Ar address -Set the BTX loader entry point. -.It Fl f Ar format -Specify the output format, where -.Ar format -is one of -.Sq bin , -.Sq aout , -or -.Sq elf . -.It Fl l Ar file -Specify the BTX loader to be bound with the client. -.It Fl o Ar filename -Name the output file. -The default is -.Dq a.out . -.It Fl P Ar page -Specify the first page of the client's segment to be marked -.Sq present , -where -.Ar page -may be 0 or 1. -.It Fl W Ar page -Specify the first page of the client's segment to be marked -.Sq writable , -where -.Ar page -may be 0, and should not exceed the number of pages occupied by the -combined .text and .data segments of the client image. -.El -.Sh EXIT STATUS -.Ex -std -.Sh SEE ALSO -.Xr ld 1 , -.Xr boot 8 -.Sh AUTHORS -.An Robert Nordier Aq rnordier@FreeBSD.org . diff --git a/usr.sbin/btxld/btxld.c b/usr.sbin/btxld/btxld.c deleted file mode 100644 index 1102b5c..0000000 --- a/usr.sbin/btxld/btxld.c +++ /dev/null @@ -1,575 +0,0 @@ -/* - * Copyright (c) 1998 Robert Nordier - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR - * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS - * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, - * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT - * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR - * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, - * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE - * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, - * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -#ifndef lint -static const char rcsid[] = - "$FreeBSD$"; -#endif /* not lint */ - -#include <sys/param.h> -#include <sys/endian.h> -#include <sys/stat.h> -#include <sys/mman.h> - -/* XXX make this work as an i386/amd64 cross-tool */ -#include <machine/exec.h> -#undef __LDPGSZ -#define __LDPGSZ 4096 - -#include <netinet/in.h> - -#include <a.out.h> -#include <err.h> -#include <errno.h> -#include <fcntl.h> -#include <stdarg.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <unistd.h> - -#include "btx.h" -#include "elfh.h" - -#define BTX_PATH "/sys/boot/i386/btx" - -#define I_LDR 0 /* BTX loader */ -#define I_BTX 1 /* BTX kernel */ -#define I_CLNT 2 /* Client program */ - -#define F_BIN 0 /* Binary */ -#define F_AOUT 1 /* ZMAGIC a.out */ -#define F_ELF 2 /* 32-bit ELF */ -#define F_CNT 3 /* Number of formats */ - -#define IMPURE 1 /* Writable text */ -#define MAXU32 0xffffffff /* Maximum unsigned 32-bit quantity */ - -#define align(x, y) (((x) + (y) - 1) & ~((y) - 1)) - -struct hdr { - uint32_t fmt; /* Format */ - uint32_t flags; /* Bit flags */ - uint32_t size; /* Size of file */ - uint32_t text; /* Size of text segment */ - uint32_t data; /* Size of data segment */ - uint32_t bss; /* Size of bss segment */ - uint32_t org; /* Program origin */ - uint32_t entry; /* Program entry point */ -}; - -static const char *const fmtlist[] = {"bin", "aout", "elf"}; - -static const char binfo[] = - "kernel: ver=%u.%02u size=%x load=%x entry=%x map=%uM " - "pgctl=%x:%x\n"; -static const char cinfo[] = - "client: fmt=%s size=%x text=%x data=%x bss=%x entry=%x\n"; -static const char oinfo[] = - "output: fmt=%s size=%x text=%x data=%x org=%x entry=%x\n"; - -static const char *lname = - BTX_PATH "/btxldr/btxldr"; /* BTX loader */ -static const char *bname = - BTX_PATH "/btx/btx"; /* BTX kernel */ -static const char *oname = - "a.out"; /* Output filename */ - -static int ppage = -1; /* First page present */ -static int wpage = -1; /* First page writable */ - -static unsigned int format; /* Output format */ - -static uint32_t centry; /* Client entry address */ -static uint32_t lentry; /* Loader entry address */ - -static int Eflag; /* Client entry option */ - -static int quiet; /* Inhibit warnings */ -static int verbose; /* Display information */ - -static const char *tname; /* Temporary output file */ -static const char *fname; /* Current input file */ - -static void cleanup(void); -static void btxld(const char *); -static void getbtx(int, struct btx_hdr *); -static void gethdr(int, struct hdr *); -static void puthdr(int, struct hdr *); -static void copy(int, int, size_t, off_t); -static size_t readx(int, void *, size_t, off_t); -static void writex(int, const void *, size_t); -static void seekx(int, off_t); -static unsigned int optfmt(const char *); -static uint32_t optaddr(const char *); -static int optpage(const char *, int); -static void Warn(const char *, const char *, ...); -static void usage(void); - -/* - * A link editor for BTX clients. - */ -int -main(int argc, char *argv[]) -{ - int c; - - while ((c = getopt(argc, argv, "qvb:E:e:f:l:o:P:W:")) != -1) - switch (c) { - case 'q': - quiet = 1; - break; - case 'v': - verbose = 1; - break; - case 'b': - bname = optarg; - break; - case 'E': - centry = optaddr(optarg); - Eflag = 1; - break; - case 'e': - lentry = optaddr(optarg); - break; - case 'f': - format = optfmt(optarg); - break; - case 'l': - lname = optarg; - break; - case 'o': - oname = optarg; - break; - case 'P': - ppage = optpage(optarg, 1); - break; - case 'W': - wpage = optpage(optarg, BTX_MAXCWR); - break; - default: - usage(); - } - argc -= optind; - argv += optind; - if (argc != 1) - usage(); - atexit(cleanup); - btxld(*argv); - return 0; -} - -/* - * Clean up after errors. - */ -static void -cleanup(void) -{ - if (tname) - remove(tname); -} - -/* - * Read the input files; write the output file; display information. - */ -static void -btxld(const char *iname) -{ - char name[FILENAME_MAX]; - struct btx_hdr btx, btxle; - struct hdr ihdr, ohdr; - unsigned int ldr_size, cwr; - int fdi[3], fdo, i; - - ldr_size = 0; - - for (i = I_LDR; i <= I_CLNT; i++) { - fname = i == I_LDR ? lname : i == I_BTX ? bname : iname; - if ((fdi[i] = open(fname, O_RDONLY)) == -1) - err(2, "%s", fname); - switch (i) { - case I_LDR: - gethdr(fdi[i], &ihdr); - if (ihdr.fmt != F_BIN) - Warn(fname, "Loader format is %s; processing as %s", - fmtlist[ihdr.fmt], fmtlist[F_BIN]); - ldr_size = ihdr.size; - break; - case I_BTX: - getbtx(fdi[i], &btx); - break; - case I_CLNT: - gethdr(fdi[i], &ihdr); - if (ihdr.org && ihdr.org != BTX_PGSIZE) - Warn(fname, - "Client origin is 0x%x; expecting 0 or 0x%x", - ihdr.org, BTX_PGSIZE); - } - } - memset(&ohdr, 0, sizeof(ohdr)); - ohdr.fmt = format; - ohdr.text = ldr_size; - ohdr.data = btx.btx_textsz + ihdr.size; - ohdr.org = lentry; - ohdr.entry = lentry; - cwr = 0; - if (wpage > 0 || (wpage == -1 && !(ihdr.flags & IMPURE))) { - if (wpage > 0) - cwr = wpage; - else { - cwr = howmany(ihdr.text, BTX_PGSIZE); - if (cwr > BTX_MAXCWR) - cwr = BTX_MAXCWR; - } - } - if (ppage > 0 || (ppage && wpage && ihdr.org >= BTX_PGSIZE)) { - btx.btx_flags |= BTX_MAPONE; - if (!cwr) - cwr++; - } - btx.btx_pgctl -= cwr; - btx.btx_entry = Eflag ? centry : ihdr.entry; - if ((size_t)snprintf(name, sizeof(name), "%s.tmp", oname) >= sizeof(name)) - errx(2, "%s: Filename too long", oname); - if ((fdo = open(name, O_CREAT | O_TRUNC | O_WRONLY, 0666)) == -1) - err(2, "%s", name); - if (!(tname = strdup(name))) - err(2, NULL); - puthdr(fdo, &ohdr); - for (i = I_LDR; i <= I_CLNT; i++) { - fname = i == I_LDR ? lname : i == I_BTX ? bname : iname; - switch (i) { - case I_LDR: - copy(fdi[i], fdo, ldr_size, 0); - seekx(fdo, ohdr.size += ohdr.text); - break; - case I_BTX: - btxle = btx; - btxle.btx_pgctl = htole16(btxle.btx_pgctl); - btxle.btx_textsz = htole16(btxle.btx_textsz); - btxle.btx_entry = htole32(btxle.btx_entry); - writex(fdo, &btxle, sizeof(btxle)); - copy(fdi[i], fdo, btx.btx_textsz - sizeof(btx), - sizeof(btx)); - break; - case I_CLNT: - copy(fdi[i], fdo, ihdr.size, 0); - if (ftruncate(fdo, ohdr.size += ohdr.data)) - err(2, "%s", tname); - } - if (close(fdi[i])) - err(2, "%s", fname); - } - if (close(fdo)) - err(2, "%s", tname); - if (rename(tname, oname)) - err(2, "%s: Can't rename to %s", tname, oname); - tname = NULL; - if (verbose) { - printf(binfo, btx.btx_majver, btx.btx_minver, btx.btx_textsz, - BTX_ORIGIN(btx), BTX_ENTRY(btx), BTX_MAPPED(btx) * - BTX_PGSIZE / 0x100000, !!(btx.btx_flags & BTX_MAPONE), - BTX_MAPPED(btx) - btx.btx_pgctl - BTX_PGBASE / - BTX_PGSIZE - BTX_MAPPED(btx) * 4 / BTX_PGSIZE); - printf(cinfo, fmtlist[ihdr.fmt], ihdr.size, ihdr.text, - ihdr.data, ihdr.bss, ihdr.entry); - printf(oinfo, fmtlist[ohdr.fmt], ohdr.size, ohdr.text, - ohdr.data, ohdr.org, ohdr.entry); - } -} - -/* - * Read BTX file header. - */ -static void -getbtx(int fd, struct btx_hdr * btx) -{ - if (readx(fd, btx, sizeof(*btx), 0) != sizeof(*btx) || - btx->btx_magic[0] != BTX_MAG0 || - btx->btx_magic[1] != BTX_MAG1 || - btx->btx_magic[2] != BTX_MAG2) - errx(1, "%s: Not a BTX kernel", fname); - btx->btx_pgctl = le16toh(btx->btx_pgctl); - btx->btx_textsz = le16toh(btx->btx_textsz); - btx->btx_entry = le32toh(btx->btx_entry); -} - -/* - * Get file size and read a.out or ELF header. - */ -static void -gethdr(int fd, struct hdr *hdr) -{ - struct stat sb; - const struct exec *ex; - const Elf32_Ehdr *ee; - const Elf32_Phdr *ep; - void *p; - unsigned int fmt, x, n, i; - - memset(hdr, 0, sizeof(*hdr)); - if (fstat(fd, &sb)) - err(2, "%s", fname); - if (sb.st_size > MAXU32) - errx(1, "%s: Too big", fname); - hdr->size = sb.st_size; - if (!hdr->size) - return; - if ((p = mmap(NULL, hdr->size, PROT_READ, MAP_SHARED, fd, - 0)) == MAP_FAILED) - err(2, "%s", fname); - for (fmt = F_CNT - 1; !hdr->fmt && fmt; fmt--) - switch (fmt) { - case F_AOUT: - ex = p; - if (hdr->size >= sizeof(struct exec) && !N_BADMAG(*ex)) { - hdr->fmt = fmt; - x = N_GETMAGIC(*ex); - if (x == OMAGIC || x == NMAGIC) { - if (x == NMAGIC) - Warn(fname, "Treating %s NMAGIC as OMAGIC", - fmtlist[fmt]); - hdr->flags |= IMPURE; - } - hdr->text = le32toh(ex->a_text); - hdr->data = le32toh(ex->a_data); - hdr->bss = le32toh(ex->a_bss); - hdr->entry = le32toh(ex->a_entry); - if (le32toh(ex->a_entry) >= BTX_PGSIZE) - hdr->org = BTX_PGSIZE; - } - break; - case F_ELF: - ee = p; - if (hdr->size >= sizeof(Elf32_Ehdr) && IS_ELF(*ee)) { - hdr->fmt = fmt; - for (n = i = 0; i < le16toh(ee->e_phnum); i++) { - ep = (void *)((uint8_t *)p + le32toh(ee->e_phoff) + - le16toh(ee->e_phentsize) * i); - if (le32toh(ep->p_type) == PT_LOAD) - switch (n++) { - case 0: - hdr->text = le32toh(ep->p_filesz); - hdr->org = le32toh(ep->p_paddr); - if (le32toh(ep->p_flags) & PF_W) - hdr->flags |= IMPURE; - break; - case 1: - hdr->data = le32toh(ep->p_filesz); - hdr->bss = le32toh(ep->p_memsz) - - le32toh(ep->p_filesz); - break; - case 2: - Warn(fname, - "Ignoring extra %s PT_LOAD segments", - fmtlist[fmt]); - } - } - hdr->entry = le32toh(ee->e_entry); - } - } - if (munmap(p, hdr->size)) - err(2, "%s", fname); -} - -/* - * Write a.out or ELF header. - */ -static void -puthdr(int fd, struct hdr *hdr) -{ - struct exec ex; - struct elfh eh; - - switch (hdr->fmt) { - case F_AOUT: - memset(&ex, 0, sizeof(ex)); - N_SETMAGIC(ex, ZMAGIC, MID_I386, 0); - hdr->text = N_ALIGN(ex, hdr->text); - ex.a_text = htole32(hdr->text); - hdr->data = N_ALIGN(ex, hdr->data); - ex.a_data = htole32(hdr->data); - ex.a_entry = htole32(hdr->entry); - writex(fd, &ex, sizeof(ex)); - hdr->size = N_ALIGN(ex, sizeof(ex)); - seekx(fd, hdr->size); - break; - case F_ELF: - eh = elfhdr; - eh.e.e_entry = htole32(hdr->entry); - eh.p[0].p_vaddr = eh.p[0].p_paddr = htole32(hdr->org); - eh.p[0].p_filesz = eh.p[0].p_memsz = htole32(hdr->text); - eh.p[1].p_offset = htole32(le32toh(eh.p[0].p_offset) + - le32toh(eh.p[0].p_filesz)); - eh.p[1].p_vaddr = eh.p[1].p_paddr = - htole32(align(le32toh(eh.p[0].p_paddr) + le32toh(eh.p[0].p_memsz), - 4)); - eh.p[1].p_filesz = eh.p[1].p_memsz = htole32(hdr->data); - eh.sh[2].sh_addr = eh.p[0].p_vaddr; - eh.sh[2].sh_offset = eh.p[0].p_offset; - eh.sh[2].sh_size = eh.p[0].p_filesz; - eh.sh[3].sh_addr = eh.p[1].p_vaddr; - eh.sh[3].sh_offset = eh.p[1].p_offset; - eh.sh[3].sh_size = eh.p[1].p_filesz; - writex(fd, &eh, sizeof(eh)); - hdr->size = sizeof(eh); - } -} - -/* - * Safe copy from input file to output file. - */ -static void -copy(int fdi, int fdo, size_t nbyte, off_t offset) -{ - char buf[8192]; - size_t n; - - while (nbyte) { - if ((n = sizeof(buf)) > nbyte) - n = nbyte; - if (readx(fdi, buf, n, offset) != n) - errx(2, "%s: Short read", fname); - writex(fdo, buf, n); - nbyte -= n; - offset = -1; - } -} - -/* - * Safe read from input file. - */ -static size_t -readx(int fd, void *buf, size_t nbyte, off_t offset) -{ - ssize_t n; - - if (offset != -1 && lseek(fd, offset, SEEK_SET) != offset) - err(2, "%s", fname); - if ((n = read(fd, buf, nbyte)) == -1) - err(2, "%s", fname); - return n; -} - -/* - * Safe write to output file. - */ -static void -writex(int fd, const void *buf, size_t nbyte) -{ - ssize_t n; - - if ((n = write(fd, buf, nbyte)) == -1) - err(2, "%s", tname); - if ((size_t)n != nbyte) - errx(2, "%s: Short write", tname); -} - -/* - * Safe seek in output file. - */ -static void -seekx(int fd, off_t offset) -{ - if (lseek(fd, offset, SEEK_SET) != offset) - err(2, "%s", tname); -} - -/* - * Convert an option argument to a format code. - */ -static unsigned int -optfmt(const char *arg) -{ - unsigned int i; - - for (i = 0; i < F_CNT && strcmp(arg, fmtlist[i]); i++); - if (i == F_CNT) - errx(1, "%s: Unknown format", arg); - return i; -} - -/* - * Convert an option argument to an address. - */ -static uint32_t -optaddr(const char *arg) -{ - char *s; - unsigned long x; - - errno = 0; - x = strtoul(arg, &s, 0); - if (errno || !*arg || *s || x > MAXU32) - errx(1, "%s: Illegal address", arg); - return x; -} - -/* - * Convert an option argument to a page number. - */ -static int -optpage(const char *arg, int hi) -{ - char *s; - long x; - - errno = 0; - x = strtol(arg, &s, 0); - if (errno || !*arg || *s || x < 0 || x > hi) - errx(1, "%s: Illegal page number", arg); - return x; -} - -/* - * Display a warning. - */ -static void -Warn(const char *locus, const char *fmt, ...) -{ - va_list ap; - char *s; - - if (!quiet) { - asprintf(&s, "%s: Warning: %s", locus, fmt); - va_start(ap, fmt); - vwarnx(s, ap); - va_end(ap); - free(s); - } -} - -/* - * Display usage information. - */ -static void -usage(void) -{ - fprintf(stderr, "%s\n%s\n", - "usage: btxld [-qv] [-b file] [-E address] [-e address] [-f format]", - " [-l file] [-o filename] [-P page] [-W page] file"); - exit(1); -} diff --git a/usr.sbin/btxld/elfh.c b/usr.sbin/btxld/elfh.c deleted file mode 100644 index 2790d5a..0000000 --- a/usr.sbin/btxld/elfh.c +++ /dev/null @@ -1,125 +0,0 @@ -/* - * Copyright (c) 1998 Robert Nordier - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR - * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS - * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, - * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT - * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR - * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, - * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE - * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, - * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - * $FreeBSD$ - */ - -#include <sys/types.h> -#include <sys/endian.h> - -#include <stddef.h> -#include "elfh.h" - -#define SET_ME 0xeeeeeeee /* filled in by btxld */ - -/* - * ELF header template. - */ -const struct elfh elfhdr = { - { - { - ELFMAG0, ELFMAG1, ELFMAG2, ELFMAG3, /* e_ident */ - ELFCLASS32, ELFDATA2LSB, EV_CURRENT, 0, - 'F', 'r', 'e', 'e', 'B', 'S', 'D', 0 - }, - htole16(ET_EXEC), /* e_type */ - htole16(EM_386), /* e_machine */ - htole32(EV_CURRENT), /* e_version */ - htole32(SET_ME), /* e_entry */ - htole32(offsetof(struct elfh, p)), /* e_phoff */ - htole32(offsetof(struct elfh, sh)), /* e_shoff */ - 0, /* e_flags */ - htole16(sizeof(elfhdr.e)), /* e_ehsize */ - htole16(sizeof(elfhdr.p[0])), /* e_phentsize */ - htole16(sizeof(elfhdr.p) / sizeof(elfhdr.p[0])), /* e_phnum */ - htole16(sizeof(elfhdr.sh[0])), /* e_shentsize */ - htole16(sizeof(elfhdr.sh) / sizeof(elfhdr.sh[0])), /* e_shnum */ - htole16(1) /* e_shstrndx */ - }, - { - { - htole32(PT_LOAD), /* p_type */ - htole32(sizeof(elfhdr)), /* p_offset */ - htole32(SET_ME), /* p_vaddr */ - htole32(SET_ME), /* p_paddr */ - htole32(SET_ME), /* p_filesz */ - htole32(SET_ME), /* p_memsz */ - htole32(PF_R | PF_X), /* p_flags */ - htole32(0x1000) /* p_align */ - }, - { - htole32(PT_LOAD), /* p_type */ - htole32(SET_ME), /* p_offset */ - htole32(SET_ME), /* p_vaddr */ - htole32(SET_ME), /* p_paddr */ - htole32(SET_ME), /* p_filesz */ - htole32(SET_ME), /* p_memsz */ - htole32(PF_R | PF_W), /* p_flags */ - htole32(0x1000) /* p_align */ - } - }, - { - { - 0, htole32(SHT_NULL), 0, 0, 0, 0, htole32(SHN_UNDEF), 0, 0, 0 - }, - { - htole32(1), /* sh_name */ - htole32(SHT_STRTAB), /* sh_type */ - 0, /* sh_flags */ - 0, /* sh_addr */ - htole32(offsetof(struct elfh, shstrtab)), /* sh_offset */ - htole32(sizeof(elfhdr.shstrtab)), /* sh_size */ - htole32(SHN_UNDEF), /* sh_link */ - 0, /* sh_info */ - htole32(1), /* sh_addralign */ - 0 /* sh_entsize */ - }, - { - htole32(0xb), /* sh_name */ - htole32(SHT_PROGBITS), /* sh_type */ - htole32(SHF_EXECINSTR | SHF_ALLOC), /* sh_flags */ - htole32(SET_ME), /* sh_addr */ - htole32(SET_ME), /* sh_offset */ - htole32(SET_ME), /* sh_size */ - htole32(SHN_UNDEF), /* sh_link */ - 0, /* sh_info */ - htole32(4), /* sh_addralign */ - 0 /* sh_entsize */ - }, - { - htole32(0x11), /* sh_name */ - htole32(SHT_PROGBITS), /* sh_type */ - htole32(SHF_ALLOC | SHF_WRITE), /* sh_flags */ - htole32(SET_ME), /* sh_addr */ - htole32(SET_ME), /* sh_offset */ - htole32(SET_ME), /* sh_size */ - htole32(SHN_UNDEF), /* sh_link */ - 0, /* sh_info */ - htole32(4), /* sh_addralign */ - 0 /* sh_entsize */ - } - }, - "\0.shstrtab\0.text\0.data" /* shstrtab */ -}; diff --git a/usr.sbin/btxld/elfh.h b/usr.sbin/btxld/elfh.h deleted file mode 100644 index a4ab134..0000000 --- a/usr.sbin/btxld/elfh.h +++ /dev/null @@ -1,38 +0,0 @@ -/* - * Copyright (c) 1998 Robert Nordier - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR - * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS - * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, - * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT - * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR - * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, - * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE - * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, - * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - * $FreeBSD$ - */ - -#include <sys/elf32.h> - -struct elfh { - Elf32_Ehdr e; /* ELF header */ - Elf32_Phdr p[2]; /* program header */ - Elf32_Shdr sh[4]; /* section header */ - char shstrtab[28]; /* section header string table */ -}; - -extern const struct elfh elfhdr; /* ELF header template */ |
