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-rw-r--r--util/cbfstool/elfheaders.c14
1 files changed, 8 insertions, 6 deletions
diff --git a/util/cbfstool/elfheaders.c b/util/cbfstool/elfheaders.c
index 8da54d09e0..676a635b8a 100644
--- a/util/cbfstool/elfheaders.c
+++ b/util/cbfstool/elfheaders.c
@@ -262,7 +262,8 @@ phdr_read(const struct buffer *in, struct parsed_elf *pelf,
* per the ELF spec, You'd be surprised how many ELF
* readers miss this little detail.
*/
- buffer_splice(&b, in, ehdr->e_phoff, ehdr->e_phentsize * ehdr->e_phnum);
+ buffer_splice(&b, in, ehdr->e_phoff,
+ (uint32_t)ehdr->e_phentsize * ehdr->e_phnum);
if (check_size(in, ehdr->e_phoff, buffer_size(&b), "program headers"))
return -1;
@@ -304,7 +305,8 @@ shdr_read(const struct buffer *in, struct parsed_elf *pelf,
* per the ELF spec, You'd be surprised how many ELF
* readers miss this little detail.
*/
- buffer_splice(&b, in, ehdr->e_shoff, ehdr->e_shentsize * ehdr->e_shnum);
+ buffer_splice(&b, in, ehdr->e_shoff,
+ (uint32_t)ehdr->e_shentsize * ehdr->e_shnum);
if (check_size(in, ehdr->e_shoff, buffer_size(&b), "section headers"))
return -1;
@@ -1180,8 +1182,8 @@ int elf_writer_serialize(struct elf_writer *ew, struct buffer *out)
ew->ehdr.e_shnum = ew->num_secs;
metadata_size = 0;
metadata_size += ew->ehdr.e_ehsize;
- metadata_size += ew->ehdr.e_shnum * ew->ehdr.e_shentsize;
- metadata_size += ew->ehdr.e_phnum * ew->ehdr.e_phentsize;
+ metadata_size += (Elf64_Xword)ew->ehdr.e_shnum * ew->ehdr.e_shentsize;
+ metadata_size += (Elf64_Xword)ew->ehdr.e_phnum * ew->ehdr.e_phentsize;
shstroffset = metadata_size;
/* Align up section header string size and metadata size to 4KiB */
metadata_size = ALIGN(metadata_size + shstrlen, 4096);
@@ -1200,11 +1202,11 @@ int elf_writer_serialize(struct elf_writer *ew, struct buffer *out)
*/
ew->ehdr.e_shoff = ew->ehdr.e_ehsize;
ew->ehdr.e_phoff = ew->ehdr.e_shoff +
- ew->ehdr.e_shnum * ew->ehdr.e_shentsize;
+ (Elf64_Off)ew->ehdr.e_shnum * ew->ehdr.e_shentsize;
buffer_splice(&metadata, out, 0, metadata_size);
buffer_splice(&phdrs, out, ew->ehdr.e_phoff,
- ew->ehdr.e_phnum * ew->ehdr.e_phentsize);
+ (uint32_t)ew->ehdr.e_phnum * ew->ehdr.e_phentsize);
buffer_splice(&data, out, metadata_size, program_size);
/* Set up the section header string table contents. */
strtab = &ew->shstrtab_sec->content;