linamh/sys-libs/glibc/files/2.5/glibc-2.5-hardened-pie.patch
2009-09-12 08:46:08 +00:00

40 lines
1.5 KiB
Diff

Change link commands for glibc executables to build PIEs
Patch by Kevin F. Quinn <kevquinn@gentoo.org>
--- Makeconfig
+++ Makeconfig
@@ -415,10 +415,10 @@
# Command for linking programs with the C library.
ifndef +link
-+link = $(CC) -nostdlib -nostartfiles -o $@ \
++link = $(CC) -nostdlib -nostartfiles -fPIE -pie -o $@ \
$(sysdep-LDFLAGS) $(config-LDFLAGS) $(LDFLAGS) $(LDFLAGS-$(@F)) \
$(combreloc-LDFLAGS) $(relro-LDFLAGS) $(hashstyle-LDFLAGS) \
- $(addprefix $(csu-objpfx),$(start-installed-name)) \
+ $(addprefix $(csu-objpfx),S$(start-installed-name)) \
$(+preinit) $(+prector) \
$(filter-out $(addprefix $(csu-objpfx),start.o \
$(start-installed-name))\
@@ -429,7 +429,7 @@
ifndef +link-static
+link-static = $(CC) -nostdlib -nostartfiles -static -o $@ \
$(sysdep-LDFLAGS) $(LDFLAGS) $(LDFLAGS-$(@F)) \
- $(addprefix $(csu-objpfx),$(static-start-installed-name)) \
+ $(addprefix $(csu-objpfx),S$(static-start-installed-name)) \
$(+preinit) $(+prector) \
$(filter-out $(addprefix $(csu-objpfx),start.o \
$(start-installed-name))\
@@ -528,8 +528,8 @@
ifeq ($(elf),yes)
+preinit = $(addprefix $(csu-objpfx),crti.o)
+postinit = $(addprefix $(csu-objpfx),crtn.o)
-+prector = `$(CC) --print-file-name=crtbegin.o`
-+postctor = `$(CC) --print-file-name=crtend.o`
++prector = `$(CC) --print-file-name=crtbeginS.o`
++postctor = `$(CC) --print-file-name=crtendS.o`
+interp = $(addprefix $(elf-objpfx),interp.os)
endif
csu-objpfx = $(common-objpfx)csu/