Move elfload into tools/

[netwatch.git] / elfload / loader.c

diff --git a/elfload/loader.c b/elfload/loader.c
deleted file mode 100644 (file)
index c70571d..0000000
--- a/elfload/loader.c
+++ /dev/null
@@ -1,104 +0,0 @@
-#include <string.h>
-#include <stdio.h>
-#include "../include/elf.h"
-#include <stdlib.h>
-#include <unistd.h>
-#include <errno.h>
-#include <signal.h>
-#include <fcntl.h>
-#include <ctype.h>
-#include <termios.h>
-#include <sys/types.h>
-#include <sys/mman.h>
-#include <sys/stat.h>
-
-#define FATAL do { fprintf(stderr, "Error at %s:%d (%d) [%s]\n", \
-  __FILE__, __LINE__, errno, strerror(errno)); exit(1); } while(0)
-
-#define MAP_SIZE 131072
-#define MAP_MASK (4096 - 1)
-
-char * snarf_file(char * fname) {
-
-       int fd = open(fname, O_RDONLY);
-       if (fd < 0) FATAL;
-
-       struct stat st;
-       if (fstat(fd, &st) < 0) FATAL;
-
-       char * buf = malloc(st.st_size);
-       if (!buf) FATAL;
-       if (read(fd, buf, st.st_size) != st.st_size) FATAL;
-
-       printf("Loaded %d bytes.\n", st.st_size);
-       return buf;
-}
-
-void dump_to_ram (void * src, int target, int size) {
-
-       printf("Copying %d bytes to 0x%08x...\n", size, target);
-
-       int fd = open("/dev/mem", O_RDWR | O_SYNC);
-        if (fd < 0) FATAL;
-
-        void * map_base = mmap(0, MAP_SIZE, PROT_READ | PROT_WRITE,
-                               MAP_SHARED, fd, target & ~MAP_MASK);
-
-        if (map_base == (void *) -1) FATAL;
-
-        void * virt_addr = map_base + (target & MAP_MASK);
-        memcpy(virt_addr, src, size);
-
-}
-
-static const unsigned char elf_ident[4] = { 0x7F, 'E', 'L', 'F' }; 
-
-int load_elf (char * buf) {
-
-       Elf32_Ehdr * elf_hdr = (Elf32_Ehdr *) buf;
-       Elf32_Shdr * elf_sec_hdrs = (Elf32_Shdr *) (buf + elf_hdr->e_shoff);
-
-       if (memcmp(elf_hdr->e_ident, elf_ident, sizeof(elf_ident))) FATAL;
-       if (elf_hdr->e_type != ET_EXEC) FATAL;
-       if (elf_hdr->e_machine != EM_386) FATAL;
-       if (elf_hdr->e_version != EV_CURRENT) FATAL;
-
-       char * string_table = buf + elf_sec_hdrs[elf_hdr->e_shstrndx].sh_offset;
-
-       int i;
-       for (i = 0; i < elf_hdr->e_shnum; i++) {
-               if (elf_sec_hdrs[i].sh_name == SHN_UNDEF) {
-                       continue;
-               }
-
-               char * section_name = string_table + elf_sec_hdrs[i].sh_name;
-
-               if ((elf_sec_hdrs[i].sh_type != SHT_PROGBITS) || !(elf_sec_hdrs[i].sh_flags & SHF_ALLOC)) {
-                       printf("Skipping %s...\n", section_name);
-                       continue;
-               }
-
-               printf("Loading %s...\n", section_name);
-
-               dump_to_ram(buf + elf_sec_hdrs[i].sh_offset,
-                           elf_sec_hdrs[i].sh_addr,
-                           elf_sec_hdrs[i].sh_size);
-       }
-
-       return 0;
-}
-
-int main(int argc, char **argv) {
-       if (argc != 2) {
-               printf("Usage: %s elffile\n", argv[0]);
-               return 1;
-       }
-
-       printf("Loading file...\n");
-
-       char * buf = snarf_file(argv[1]);
-       load_elf(buf);
-
-       return 0;
-}
-