+2017-09-12 H.J. Lu <hongjiu.lu@intel.com>
+
+ PR driver/81498
+ * common.opt (-static-pie): New alias.
+ (shared): Negate static-pie.
+ (-no-pie): Update help text.
+ (-pie): Likewise.
+ (static-pie): New option.
+ * config/gnu-user.h (GNU_USER_TARGET_STARTFILE_SPEC): Add
+ -static-pie support.
+ (GNU_USER_TARGET_ENDFILE_SPEC): Likewise.
+ (LINK_EH_SPEC): Likewise.
+ (LINK_GCC_C_SEQUENCE_SPEC): Likewise.
+ * config/i386/gnu-user.h (GNU_USER_TARGET_LINK_SPEC): Likewise.
+ * config/i386/gnu-user64.h (GNU_USER_TARGET_LINK_SPEC): Likewise.
+ * gcc.c (LINK_COMMAND_SPEC): Likewise.
+ (init_gcc_specs): Likewise.
+ (init_spec): Likewise.
+ (display_help): Update help message for -pie.
+ * doc/invoke.texi: Update -pie, -no-pie and -static. Document
+ -static-pie.
+
2017-09-12 Wilco Dijkstra <wdijkstr@arm.com>
* config/aarch64/aarch64.md (movsi_aarch64): Remove all '*'.
-pie
Driver Alias(pie)
+-static-pie
+Driver Alias(static-pie)
+
-pipe
Driver Alias(pipe)
Driver Joined Separate
shared
-Driver RejectNegative Negative(pie)
+Driver RejectNegative Negative(static-pie)
Create a shared library.
shared-libgcc
no-pie
Driver RejectNegative Negative(shared)
-Don't create a position independent executable.
+Don't create a dynamically linked position independent executable.
pie
Driver RejectNegative Negative(no-pie)
-Create a position independent executable.
+Create a dynamically linked position independent executable.
+
+static-pie
+Driver RejectNegative Negative(pie)
+Create a static position independent executable.
z
Driver Joined Separate
"%{shared:; \
pg|p|profile:gcrt1.o%s; \
static:crt1.o%s; \
- " PIE_SPEC ":Scrt1.o%s; \
+ static-pie|" PIE_SPEC ":Scrt1.o%s; \
:crt1.o%s} \
crti.o%s \
%{static:crtbeginT.o%s; \
- shared|" PIE_SPEC ":crtbeginS.o%s; \
+ shared|static-pie|" PIE_SPEC ":crtbeginS.o%s; \
:crtbegin.o%s} \
%{fvtable-verify=none:%s; \
fvtable-verify=preinit:vtv_start_preinit.o%s; \
:crt1.o%s} \
crti.o%s \
%{static:crtbeginT.o%s; \
- shared|pie:crtbeginS.o%s; \
+ shared|pie|static-pie:crtbeginS.o%s; \
:crtbegin.o%s} \
%{fvtable-verify=none:%s; \
fvtable-verify=preinit:vtv_start_preinit.o%s; \
fvtable-verify=preinit:vtv_end_preinit.o%s; \
fvtable-verify=std:vtv_end.o%s} \
%{static:crtend.o%s; \
- shared|" PIE_SPEC ":crtendS.o%s; \
+ shared|static-pie|" PIE_SPEC ":crtendS.o%s; \
:crtend.o%s} \
crtn.o%s \
" CRTOFFLOADEND
fvtable-verify=preinit:vtv_end_preinit.o%s; \
fvtable-verify=std:vtv_end.o%s} \
%{static:crtend.o%s; \
- shared|pie:crtendS.o%s; \
+ shared|pie|static-pie:crtendS.o%s; \
:crtend.o%s} \
crtn.o%s \
" CRTOFFLOADEND
#define LIB_SPEC GNU_USER_TARGET_LIB_SPEC
#if defined(HAVE_LD_EH_FRAME_HDR)
-#define LINK_EH_SPEC "%{!static:--eh-frame-hdr} "
+#define LINK_EH_SPEC "%{!static|static-pie:--eh-frame-hdr} "
#endif
#undef LINK_GCC_C_SEQUENCE_SPEC
#define LINK_GCC_C_SEQUENCE_SPEC \
- "%{static:--start-group} %G %L %{static:--end-group}%{!static:%G}"
+ "%{static|static-pie:--start-group} %G %L \
+ %{static|static-pie:--end-group}%{!static:%{!static-pie:%G}}"
/* Use --as-needed -lgcc_s for eh support. */
#ifdef HAVE_LD_AS_NEEDED
#define GNU_USER_TARGET_LINK_SPEC "-m %(link_emulation) %{shared:-shared} \
%{!shared: \
%{!static: \
- %{rdynamic:-export-dynamic} \
- -dynamic-linker %(dynamic_linker)} \
- %{static:-static}}"
+ %{!static-pie: \
+ %{rdynamic:-export-dynamic} \
+ -dynamic-linker %(dynamic_linker)}} \
+ %{static:-static} %{static-pie:-static -pie --no-dynamic-linker -z text}}"
#undef LINK_SPEC
#define LINK_SPEC GNU_USER_TARGET_LINK_SPEC
%{shared:-shared} \
%{!shared: \
%{!static: \
- %{rdynamic:-export-dynamic} \
- %{" SPEC_32 ":-dynamic-linker " GNU_USER_DYNAMIC_LINKER32 "} \
- %{" SPEC_64 ":-dynamic-linker " GNU_USER_DYNAMIC_LINKER64 "} \
- %{" SPEC_X32 ":-dynamic-linker " GNU_USER_DYNAMIC_LINKERX32 "}} \
- %{static:-static}}"
+ %{!static-static: \
+ %{rdynamic:-export-dynamic} \
+ %{" SPEC_32 ":-dynamic-linker " GNU_USER_DYNAMIC_LINKER32 "} \
+ %{" SPEC_64 ":-dynamic-linker " GNU_USER_DYNAMIC_LINKER64 "} \
+ %{" SPEC_X32 ":-dynamic-linker " GNU_USER_DYNAMIC_LINKERX32 "}}} \
+ %{static:-static} %{static-pie:-static -pie --no-dynamic-linker -z text}}"
#undef LINK_SPEC
#define LINK_SPEC GNU_USER_TARGET_LINK_SPEC
@xref{Link Options,,Options for Linking}.
@gccoptlist{@var{object-file-name} -fuse-ld=@var{linker} -l@var{library} @gol
-nostartfiles -nodefaultlibs -nostdlib -pie -pthread -rdynamic @gol
--s -static -static-libgcc -static-libstdc++ @gol
+-s -static -static-pie -static-libgcc -static-libstdc++ @gol
-static-libasan -static-libtsan -static-liblsan -static-libubsan @gol
-static-libmpx -static-libmpxwrappers @gol
-shared -shared-libgcc -symbolic @gol
@item -pie
@opindex pie
-Produce a position independent executable on targets that support it.
-For predictable results, you must also specify the same set of options
-used for compilation (@option{-fpie}, @option{-fPIE},
+Produce a dynamically linked position independent executable on targets
+that support it. For predictable results, you must also specify the same
+set of options used for compilation (@option{-fpie}, @option{-fPIE},
or model suboptions) when you specify this linker option.
@item -no-pie
@opindex no-pie
-Don't produce a position independent executable.
+Don't produce a dynamically linked position independent executable.
+
+@item -static-pie
+@opindex static-pie
+Produce a static position independent executable on targets that support
+it. A static position independent executable is similar to a static
+executable, but can be loaded at any address without a dynamic linker.
+For predictable results, you must also specify the same set of options
+used for compilation (@option{-fpie}, @option{-fPIE}, or model
+suboptions) when you specify this linker option.
@item -pthread
@opindex pthread
@item -static
@opindex static
-On systems that support dynamic linking, this prevents linking with the shared
-libraries. On other systems, this option has no effect.
+On systems that support dynamic linking, this overrides @option{-pie}
+and prevents linking with the shared libraries. On other systems, this
+option has no effect.
@item -shared
@opindex shared
#endif
/* -u* was put back because both BSD and SysV seem to support it. */
-/* %{static|no-pie:} simply prevents an error message:
+/* %{static|no-pie|static-pie:} simply prevents an error message:
1. If the target machine doesn't handle -static.
2. If PIE isn't enabled by default.
+ 3. If the target machine doesn't handle -static-pie.
*/
/* We want %{T*} after %{L*} and %D so that it can be used to specify linker
scripts which exist in user specified directories, or in standard
"%{fuse-ld=*:-fuse-ld=%*} " LINK_COMPRESS_DEBUG_SPEC \
"%X %{o*} %{e*} %{N} %{n} %{r}\
%{s} %{t} %{u*} %{z} %{Z} %{!nostdlib:%{!nostartfiles:%S}} \
- %{static|no-pie:} %{L*} %(mfwrap) %(link_libgcc) " \
+ %{static|no-pie|static-pie:} %{L*} %(mfwrap) %(link_libgcc) " \
VTABLE_VERIFICATION_SPEC " " SANITIZER_EARLY_SPEC " %o " CHKP_SPEC " \
%{fopenacc|fopenmp|%:gt(%{ftree-parallelize-loops=*:%*} 1):\
%:include(libgomp.spec)%(link_gomp)}\
{
char *buf;
- buf = concat ("%{static|static-libgcc:", static_name, " ", eh_name, "}"
- "%{!static:%{!static-libgcc:"
#if USE_LD_AS_NEEDED
+ buf = concat ("%{static|static-libgcc|static-pie:", static_name, " ", eh_name, "}"
+ "%{!static:%{!static-libgcc:%{!static-pie:"
"%{!shared-libgcc:",
static_name, " " LD_AS_NEEDED_OPTION " ",
shared_name, " " LD_NO_AS_NEEDED_OPTION
"}"
"%{shared-libgcc:",
shared_name, "%{!shared: ", static_name, "}"
- "}"
+ "}}"
#else
+ buf = concat ("%{static|static-libgcc:", static_name, " ", eh_name, "}"
+ "%{!static:%{!static-libgcc:"
"%{!shared:"
"%{!shared-libgcc:", static_name, " ", eh_name, "}"
"%{shared-libgcc:", shared_name, " ", static_name, "}"
"-lgcc_eh"
#ifdef USE_LIBUNWIND_EXCEPTIONS
# ifdef HAVE_LD_STATIC_DYNAMIC
- " %{!static:" LD_STATIC_OPTION "} -lunwind"
- " %{!static:" LD_DYNAMIC_OPTION "}"
+ " %{!static:%{!static-pie:" LD_STATIC_OPTION "}} -lunwind"
+ " %{!static:%{!static-pie:" LD_DYNAMIC_OPTION "}}"
# else
" -lunwind"
# endif
fputs (_(" -S Compile only; do not assemble or link.\n"), stdout);
fputs (_(" -c Compile and assemble, but do not link.\n"), stdout);
fputs (_(" -o <file> Place the output into <file>.\n"), stdout);
- fputs (_(" -pie Create a position independent executable.\n"), stdout);
+ fputs (_(" -pie Create a dynamically linked position independent\n\
+ executable.\n"), stdout);
fputs (_(" -shared Create a shared library.\n"), stdout);
fputs (_("\
-x <language> Specify the language of the following input files.\n\
projects / gcc.git / commitdiff