diff options
Diffstat (limited to 'libexec/rtld-elf/map_object.c')
| -rw-r--r-- | libexec/rtld-elf/map_object.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/libexec/rtld-elf/map_object.c b/libexec/rtld-elf/map_object.c index d231830..2b33862 100644 --- a/libexec/rtld-elf/map_object.c +++ b/libexec/rtld-elf/map_object.c @@ -83,6 +83,7 @@ map_object(int fd, const char *path, const struct stat *sb) Elf_Addr bss_vaddr; Elf_Addr bss_vlimit; caddr_t bss_addr; + Elf_Word stack_flags; hdr = get_elf_header(fd, path); if (hdr == NULL) @@ -100,6 +101,7 @@ map_object(int fd, const char *path, const struct stat *sb) phdyn = phinterp = phtls = NULL; phdr_vaddr = 0; segs = alloca(sizeof(segs[0]) * hdr->e_phnum); + stack_flags = RTLD_DEFAULT_STACK_PF_EXEC | PF_R | PF_W; while (phdr < phlimit) { switch (phdr->p_type) { @@ -128,6 +130,10 @@ map_object(int fd, const char *path, const struct stat *sb) case PT_TLS: phtls = phdr; break; + + case PT_GNU_STACK: + stack_flags = phdr->p_flags; + break; } ++phdr; @@ -261,6 +267,7 @@ map_object(int fd, const char *path, const struct stat *sb) obj->tlsinitsize = phtls->p_filesz; obj->tlsinit = mapbase + phtls->p_vaddr; } + obj->stack_flags = stack_flags; return obj; } |
