diff options
Diffstat (limited to 'libdwfl/elf-from-memory.c')
| -rw-r--r-- | libdwfl/elf-from-memory.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/libdwfl/elf-from-memory.c b/libdwfl/elf-from-memory.c index 12a0a1be..c54c1b99 100644 --- a/libdwfl/elf-from-memory.c +++ b/libdwfl/elf-from-memory.c @@ -139,6 +139,11 @@ elf_from_remote_memory (GElf_Addr ehdr_vma, phentsize = ehdr.e32.e_phentsize; if (phentsize != sizeof (Elf32_Phdr) || phnum == 0) goto bad_elf; + /* NOTE if the number of sections is > 0xff00 then e_shnum + is zero and the actual number would come from the section + zero sh_size field. We ignore this here because getting shdrs + is just a nice bonus (see below where we trim the last phdrs + PT_LOAD segment). */ shdrs_end = ehdr.e32.e_shoff + ehdr.e32.e_shnum * ehdr.e32.e_shentsize; break; @@ -151,6 +156,7 @@ elf_from_remote_memory (GElf_Addr ehdr_vma, phentsize = ehdr.e64.e_phentsize; if (phentsize != sizeof (Elf64_Phdr) || phnum == 0) goto bad_elf; + /* See the NOTE above for shdrs_end and ehdr.e32.e_shnum. */ shdrs_end = ehdr.e64.e_shoff + ehdr.e64.e_shnum * ehdr.e64.e_shentsize; break; |