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Diffstat (limited to 'arch/mips/kernel/vpe.c')
-rw-r--r--arch/mips/kernel/vpe.c45
1 files changed, 11 insertions, 34 deletions
diff --git a/arch/mips/kernel/vpe.c b/arch/mips/kernel/vpe.c
index 45077c4b2e22..61b729fa0548 100644
--- a/arch/mips/kernel/vpe.c
+++ b/arch/mips/kernel/vpe.c
@@ -936,8 +936,18 @@ static int vpe_elfload(struct vpe * v)
936 936
937 } 937 }
938 } else { 938 } else {
939 for (i = 0; i < hdr->e_shnum; i++) { 939 struct elf_phdr *phdr = (struct elf_phdr *) ((char *)hdr + hdr->e_phoff);
940 940
941 for (i = 0; i < hdr->e_phnum; i++) {
942 if (phdr->p_type != PT_LOAD)
943 continue;
944
945 memcpy((void *)phdr->p_vaddr, (char *)hdr + phdr->p_offset, phdr->p_filesz);
946 memset((void *)phdr->p_vaddr + phdr->p_filesz, 0, phdr->p_memsz - phdr->p_filesz);
947 phdr++;
948 }
949
950 for (i = 0; i < hdr->e_shnum; i++) {
941 /* Internal symbols and strings. */ 951 /* Internal symbols and strings. */
942 if (sechdrs[i].sh_type == SHT_SYMTAB) { 952 if (sechdrs[i].sh_type == SHT_SYMTAB) {
943 symindex = i; 953 symindex = i;
@@ -948,39 +958,6 @@ static int vpe_elfload(struct vpe * v)
948 magic symbols */ 958 magic symbols */
949 sechdrs[i].sh_addr = (size_t) hdr + sechdrs[i].sh_offset; 959 sechdrs[i].sh_addr = (size_t) hdr + sechdrs[i].sh_offset;
950 } 960 }
951
952 /* filter sections we dont want in the final image */
953 if (!(sechdrs[i].sh_flags & SHF_ALLOC) ||
954 (sechdrs[i].sh_type == SHT_MIPS_REGINFO)) {
955 printk( KERN_DEBUG " ignoring section, "
956 "name %s type %x address 0x%x \n",
957 secstrings + sechdrs[i].sh_name,
958 sechdrs[i].sh_type, sechdrs[i].sh_addr);
959 continue;
960 }
961
962 if (sechdrs[i].sh_addr < (unsigned int)v->load_addr) {
963 printk( KERN_WARNING "VPE loader: "
964 "fully linked image has invalid section, "
965 "name %s type %x address 0x%x, before load "
966 "address of 0x%x\n",
967 secstrings + sechdrs[i].sh_name,
968 sechdrs[i].sh_type, sechdrs[i].sh_addr,
969 (unsigned int)v->load_addr);
970 return -ENOEXEC;
971 }
972
973 printk(KERN_DEBUG " copying section sh_name %s, sh_addr 0x%x "
974 "size 0x%x0 from x%p\n",
975 secstrings + sechdrs[i].sh_name, sechdrs[i].sh_addr,
976 sechdrs[i].sh_size, hdr + sechdrs[i].sh_offset);
977
978 if (sechdrs[i].sh_type != SHT_NOBITS)
979 memcpy((void *)sechdrs[i].sh_addr,
980 (char *)hdr + sechdrs[i].sh_offset,
981 sechdrs[i].sh_size);
982 else
983 memset((void *)sechdrs[i].sh_addr, 0, sechdrs[i].sh_size);
984 } 961 }
985 } 962 }
986 963