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Diffstat (limited to 'package/aboot/src/tools/elfencap.c')
-rw-r--r--package/aboot/src/tools/elfencap.c61
1 files changed, 61 insertions, 0 deletions
diff --git a/package/aboot/src/tools/elfencap.c b/package/aboot/src/tools/elfencap.c
new file mode 100644
index 000000000..3e5f4b4b9
--- /dev/null
+++ b/package/aboot/src/tools/elfencap.c
@@ -0,0 +1,61 @@
+#include <fcntl.h>
+#include <stdio.h>
+#include <string.h>
+#include <unistd.h>
+
+#include <sys/stat.h>
+
+#include <linux/elf.h>
+
+
+int
+main (int argc, char ** argv)
+{
+ int ifd;
+ ssize_t n;
+ char buf[8192];
+ struct stat st;
+ struct {
+ struct elf64_hdr ehdr;
+ struct elf64_phdr phdr;
+ } h;
+
+ ifd = open(argv[1], O_RDONLY);
+ if (ifd < 0) {
+ perror(argv[1]);
+ return 1;
+ }
+
+ if (fstat(ifd, &st) < 0) {
+ perror(argv[1]);
+ return 1;
+ }
+
+ memset(&h, 0, sizeof(h));
+
+ h.ehdr.e_ident[0] = 0x7f;
+ strcpy(h.ehdr.e_ident + 1, "ELF");
+ h.ehdr.e_ident[EI_CLASS] = ELFCLASS64;
+ h.ehdr.e_ident[EI_DATA] = ELFDATA2LSB;
+ h.ehdr.e_ident[EI_VERSION] = EV_CURRENT;
+ h.ehdr.e_type = ET_EXEC;
+ h.ehdr.e_machine = EM_ALPHA;
+ h.ehdr.e_version = EV_CURRENT;
+ h.ehdr.e_entry = 0xfffffc0000310000;
+ h.ehdr.e_phnum = 1;
+ h.ehdr.e_phoff = (char *) &h.phdr - (char *) &h;
+ h.phdr.p_vaddr = 0xfffffc0000310000;
+ h.phdr.p_offset = sizeof(h);
+ h.phdr.p_filesz = st.st_size;
+ h.phdr.p_memsz = h.phdr.p_filesz;
+
+ write(1, &h, sizeof(h));
+
+ while ((n = read(ifd, buf, sizeof(buf))) > 0) {
+ if (write(1, buf, n) != n) {
+ perror("short write");
+ return 1;
+ }
+ }
+ return 0;
+}