| Add support for PaX ELF markings |
| |
| Patch by Kevin F. Quinn <kevquinn@gentoo.org> |
| |
| http://bugs.gentoo.org/115100 |
| |
| --- a/libelf/elf.h |
| +++ b/libelf/elf.h |
| @@ -568,6 +568,7 @@ |
| #define PT_GNU_EH_FRAME 0x6474e550 /* GCC .eh_frame_hdr segment */ |
| #define PT_GNU_STACK 0x6474e551 /* Indicates stack executability */ |
| #define PT_GNU_RELRO 0x6474e552 /* Read-only after relocation */ |
| +#define PT_PAX_FLAGS 0x65041580 /* Indicates PaX flag markings */ |
| #define PT_LOSUNW 0x6ffffffa |
| #define PT_SUNWBSS 0x6ffffffa /* Sun Specific segment */ |
| #define PT_SUNWSTACK 0x6ffffffb /* Stack segment */ |
| --- a/src/elflint.c |
| +++ b/src/elflint.c |
| @@ -3187,6 +3187,7 @@ |
| |
| if (phdr->p_type >= PT_NUM && phdr->p_type != PT_GNU_EH_FRAME |
| && phdr->p_type != PT_GNU_STACK && phdr->p_type != PT_GNU_RELRO |
| + && phdr->p_type != PT_PAX_FLAGS |
| /* Check for a known machine-specific type. */ |
| && ebl_segment_type_name (ebl, phdr->p_type, NULL, 0) == NULL) |
| ERROR (gettext ("\ |
