X-Git-Url: http://git.joshuawise.com/netwatch.git/blobdiff_plain/d2fd2046a1a67ba4b01aab0ca68c790b02f9c93c..b83b409494b6aedcbcb0548665b8edebba19b43e:/elfload/loader.c?ds=inline

diff --git a/elfload/loader.c b/elfload/loader.c
deleted file mode 100644
index f5be3a4..0000000
--- a/elfload/loader.c
+++ /dev/null
@@ -1,104 +0,0 @@
-#include <string.h>
-#include <stdio.h>
-#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_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;
-}
-