diff options
Diffstat (limited to 'ldso/ldso/ldso.c')
| -rw-r--r-- | ldso/ldso/ldso.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/ldso/ldso/ldso.c b/ldso/ldso/ldso.c index e1101bd57..3a5fc14f5 100644 --- a/ldso/ldso/ldso.c +++ b/ldso/ldso/ldso.c @@ -286,6 +286,7 @@ void _dl_get_ready_to_run(struct elf_resolve *tpnt, DL_LOADADDR_TYPE load_addr, _dl_debug_early("calling mprotect on the application program\n"); /* Now cover the application program. */ if (app_tpnt->dynamic_info[DT_TEXTREL]) { + ElfW(Phdr) *ppnt_outer = ppnt; ppnt = (ElfW(Phdr) *) auxvt[AT_PHDR].a_un.a_val; for (i = 0; i < auxvt[AT_PHNUM].a_un.a_val; i++, ppnt++) { if (ppnt->p_type == PT_LOAD && !(ppnt->p_flags & PF_W)) @@ -294,6 +295,12 @@ void _dl_get_ready_to_run(struct elf_resolve *tpnt, DL_LOADADDR_TYPE load_addr, (unsigned long) ppnt->p_filesz, PROT_READ | PROT_WRITE | PROT_EXEC); } + ppnt = ppnt_outer; + } +#else + if (app_tpnt->dynamic_info[DT_TEXTREL]) { + _dl_dprintf(_dl_debug_file, "Can't modify application's text section; use the GCC option -fPIE for position-independent executables.\n"); + _dl_exit(1); } #endif |