scripts/sortextable: add support for ET_DYN binaries

Add support to scripts/sortextable for handling relocatable (PIE)
executables, whose ELF type is ET_DYN, not ET_EXEC. Other than adding
support for the new type, no changes are needed.

Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>

diff --git a/scripts/sortextable.c b/scripts/sortextable.c
index c2423d9..ecefa0a 100644 (file)
--- a/scripts/sortextable.c
+++ b/scripts/sortextable.c
@@ -266,9 +266,9 @@ do_file(char const *const fname)
                break;
        }  /* end switch */
        if (memcmp(ELFMAG, ehdr->e_ident, SELFMAG) != 0
-       ||  r2(&ehdr->e_type) != ET_EXEC
+       ||  (r2(&ehdr->e_type) != ET_EXEC && r2(&ehdr->e_type) != ET_DYN)
        ||  ehdr->e_ident[EI_VERSION] != EV_CURRENT) {
-               fprintf(stderr, "unrecognized ET_EXEC file %s\n", fname);
+               fprintf(stderr, "unrecognized ET_EXEC/ET_DYN file %s\n", fname);
                fail_file();
        }
 
@@ -304,7 +304,7 @@ do_file(char const *const fname)
                if (r2(&ehdr->e_ehsize) != sizeof(Elf32_Ehdr)
                ||  r2(&ehdr->e_shentsize) != sizeof(Elf32_Shdr)) {
                        fprintf(stderr,
-                               "unrecognized ET_EXEC file: %s\n", fname);
+                               "unrecognized ET_EXEC/ET_DYN file: %s\n", fname);
                        fail_file();
                }
                do32(ehdr, fname, custom_sort);
@@ -314,7 +314,7 @@ do_file(char const *const fname)
                if (r2(&ghdr->e_ehsize) != sizeof(Elf64_Ehdr)
                ||  r2(&ghdr->e_shentsize) != sizeof(Elf64_Shdr)) {
                        fprintf(stderr,
-                               "unrecognized ET_EXEC file: %s\n", fname);
+                               "unrecognized ET_EXEC/ET_DYN file: %s\n", fname);
                        fail_file();
                }
                do64(ghdr, fname, custom_sort);