[PATCH] define SHT_LLVM_ADDRSIG section rather than error out

Navin P navinp0304@gmail.com
Fri Nov 13 15:15:34 GMT 2020


 make elflint ignore it rather error as unsupported type. Other tools like
 readelf , objdump understand this section.

Signed-off-by: Navin P <navinp0304@gmail.com>
---
 libelf/elf.h  | 1 +
 src/elflint.c | 1 +
 2 files changed, 2 insertions(+)

diff --git a/libelf/elf.h b/libelf/elf.h
index 6439c1a4..26420b45 100644
--- a/libelf/elf.h
+++ b/libelf/elf.h
@@ -444,6 +444,7 @@ typedef struct
 #define SHT_SYMTAB_SHNDX  18 /* Extended section indeces */
 #define SHT_NUM   19 /* Number of defined types.  */
 #define SHT_LOOS   0x60000000 /* Start OS-specific.  */
+#define SHT_LLVM_ADDRSIG  0x6FFF4C03    /* llvm address sig */
 #define SHT_GNU_ATTRIBUTES 0x6ffffff5 /* Object attributes.  */
 #define SHT_GNU_HASH   0x6ffffff6 /* GNU-style hash table.  */
 #define SHT_GNU_LIBLIST   0x6ffffff7 /* Prelink library list */
diff --git a/src/elflint.c b/src/elflint.c
index ef3e3732..62663800 100644
--- a/src/elflint.c
+++ b/src/elflint.c
@@ -3905,6 +3905,7 @@ section [%2zu] '%s': size not multiple of entry size\n"),
    && shdr->sh_type != SHT_GNU_ATTRIBUTES
    && shdr->sh_type != SHT_GNU_LIBLIST
    && shdr->sh_type != SHT_CHECKSUM
+   && shdr->sh_type != SHT_LLVM_ADDRSIG
    && shdr->sh_type != SHT_GNU_verdef
    && shdr->sh_type != SHT_GNU_verneed
    && shdr->sh_type != SHT_GNU_versym
-- 
2.25.1


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