2abf9ff113
calling _dl_start, using GOTOFF access. * configure.in (libc_cv_z_execstack): New check. * configure: Regenerated. * config.make.in (have-z-execstack): New variable set by it. * elf/tst-execstack.c: New file. * elf/tst-execstack-mod.c: New file. * elf/tst-execstack-needed.c: New file. * elf/Makefile (tests-execstack-yes, modules-execstack-yes): New variables. (tests, modules-names): Conditionally include them. (distribute): Add tst-execstack-mod.c here. ($(objpfx)tst-execstack, $(objpfx)tst-execstack.out): New targets. (LDFLAGS-tst-execstack, LDFLAGS-tst-execstack-mod): New variables. ($(objpfx)tst-execstack-needed): New target. (LDFLAGS-tst-execstack-needed): New variable. * sysdeps/generic/ldsodefs.h (struct rtld_global): Add _dl_stack_flags and _dl_make_stack_executable_hook. Declare _dl_make_stack_executable. * elf/rtld.c (_rtld_global): Add initializer for _dl_stack_flags. (dl_main): Reset _dl_stack_flags according to PT_GNU_STACK phdr. Initialize _dl_make_stack_executable_hook. * elf/dl-support.c: Define those new variables. (_dl_non_dynamic_init): Scan phdrs for PT_GNU_STACK. (_dl_phdr): Fix type. * elf/dl-load.c (_dl_map_object_from_fd): Grok PT_GNU_STACK phdr and enable execute permission for the stack if necessary. * sysdeps/generic/dl-execstack.c: New file. * elf/Makefile (dl-routines): Add it. * elf/Versions (ld: GLIBC_PRIVATE): Add _dl_make_stack_executable. * sysdeps/unix/sysv/linux/dl-execstack.c: New file. |
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|---|---|---|
| .. | ||
| bits | ||
| elf | ||
| fpu | ||
| i486 | ||
| i586 | ||
| i686 | ||
| i786 | ||
| soft-fp | ||
| sys | ||
| Dist | ||
| Implies | ||
| Makefile | ||
| Versions | ||
| __longjmp.S | ||
| abort-instr.h | ||
| add_n.S | ||
| addmul_1.S | ||
| asm-syntax.h | ||
| backtrace.c | ||
| bp-asm.h | ||
| bsd-_setjmp.S | ||
| bsd-setjmp.S | ||
| bzero.c | ||
| dl-machine.h | ||
| dl-tls.h | ||
| ffs.c | ||
| fpu_control.h | ||
| gccframe.h | ||
| gmp-mparam.h | ||
| htonl.S | ||
| htons.S | ||
| i386-mcount.S | ||
| init-first.c | ||
| ldbl2mpn.c | ||
| lshift.S | ||
| machine-gmon.h | ||
| memchr.S | ||
| memcmp.S | ||
| memcopy.h | ||
| memset.c | ||
| memusage.h | ||
| mp_clz_tab.c | ||
| mul_1.S | ||
| rawmemchr.S | ||
| rshift.S | ||
| setfpucw.c | ||
| setjmp.S | ||
| stackinfo.h | ||
| stpcpy.S | ||
| stpncpy.S | ||
| strchr.S | ||
| strchrnul.S | ||
| strcspn.S | ||
| string-inlines.c | ||
| strlen.c | ||
| strpbrk.S | ||
| strrchr.S | ||
| strspn.S | ||
| strtok.S | ||
| strtok_r.S | ||
| sub_n.S | ||
| submul_1.S | ||
| sysdep.h | ||