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Pass --secure-plt to the linker

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* config/rs6000/secureplt.h (LINK_SECURE_PLT_DEFAULT_SPEC): Define.
	* config/rs6000/sysv4.h (LINK_SECURE_PLT_SPEC): Define.
	(LINK_SPEC): Add %(link_secure_plt).
	(SUBTARGET_EXTRA_SPECS): Add "link_secure_plt".
	* config/rs6000/linux64.h (LINK_SECURE_PLT_SPEC): Redefine.


Co-Authored-By: Alan Modra <amodra@gmail.com>
Co-Authored-By: Szabolcs Nagy <szabolcs.nagy@arm.com>

From-SVN: r229102
This commit is contained in:
Gregor Richards 2015-10-20 23:42:17 +00:00 • committed by Alan Modra
parent 9ef83c047f
commit efbab234a3
4 changed files with 21 additions and 0 deletions
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10
gcc/ChangeLog
View file

@ -1,3 +1,13 @@
2015-10-21 Gregor Richards <gregor.richards@uwaterloo.ca>
Szabolcs Nagy <szabolcs.nagy@arm.com>
Alan Modra <amodra@gmail.com>
* config/rs6000/secureplt.h (LINK_SECURE_PLT_DEFAULT_SPEC): Define.
* config/rs6000/sysv4.h (LINK_SECURE_PLT_SPEC): Define.
(LINK_SPEC): Add %(link_secure_plt).
(SUBTARGET_EXTRA_SPECS): Add "link_secure_plt".
* config/rs6000/linux64.h (LINK_SECURE_PLT_SPEC): Redefine.
2015-10-20 Gregor Richards <gregor.richards@uwaterloo.ca>
Szabolcs Nagy <szabolcs.nagy@arm.com>

4
gcc/config/rs6000/linux64.h
View file

@ -174,20 +174,24 @@ extern int dot_symbols;
#undef ASM_DEFAULT_SPEC
#undef ASM_SPEC
#undef LINK_OS_LINUX_SPEC
#undef LINK_SECURE_PLT_SPEC
#ifndef RS6000_BI_ARCH
#define ASM_DEFAULT_SPEC "-mppc64"
#define ASM_SPEC "%(asm_spec64) %(asm_spec_common)"
#define LINK_OS_LINUX_SPEC "%(link_os_linux_spec64)"
#define LINK_SECURE_PLT_SPEC ""
#else
#if DEFAULT_ARCH64_P
#define ASM_DEFAULT_SPEC "-mppc%{!m32:64}"
#define ASM_SPEC "%{m32:%(asm_spec32)}%{!m32:%(asm_spec64)} %(asm_spec_common)"
#define LINK_OS_LINUX_SPEC "%{m32:%(link_os_linux_spec32)}%{!m32:%(link_os_linux_spec64)}"
#define LINK_SECURE_PLT_SPEC "%{m32: " LINK_SECURE_PLT_DEFAULT_SPEC "}"
#else
#define ASM_DEFAULT_SPEC "-mppc%{m64:64}"
#define ASM_SPEC "%{!m64:%(asm_spec32)}%{m64:%(asm_spec64)} %(asm_spec_common)"
#define LINK_OS_LINUX_SPEC "%{!m64:%(link_os_linux_spec32)}%{m64:%(link_os_linux_spec64)}"
#define LINK_SECURE_PLT_SPEC "%{!m64: " LINK_SECURE_PLT_DEFAULT_SPEC "}"
#endif
#endif

1
gcc/config/rs6000/secureplt.h
View file

@ -18,3 +18,4 @@ along with GCC; see the file COPYING3. If not see
<http://www.gnu.org/licenses/>. */
#define CC1_SECURE_PLT_DEFAULT_SPEC "-msecure-plt"
#define LINK_SECURE_PLT_DEFAULT_SPEC "--secure-plt"

6
gcc/config/rs6000/sysv4.h
View file

@ -537,6 +537,9 @@ ENDIAN_SELECT(" -mbig", " -mlittle", DEFAULT_ASM_ENDIAN)
#ifndef CC1_SECURE_PLT_DEFAULT_SPEC
#define CC1_SECURE_PLT_DEFAULT_SPEC ""
#endif
#ifndef LINK_SECURE_PLT_DEFAULT_SPEC
#define LINK_SECURE_PLT_DEFAULT_SPEC ""
#endif
/* Pass -G xxx to the compiler. */
#undef CC1_SPEC
@ -567,6 +570,7 @@ ENDIAN_SELECT(" -mbig", " -mlittle", DEFAULT_ASM_ENDIAN)
: %(link_start_default) }"
#define LINK_START_DEFAULT_SPEC ""
#define LINK_SECURE_PLT_SPEC LINK_SECURE_PLT_DEFAULT_SPEC
#undef LINK_SPEC
#define LINK_SPEC "\
@ -574,6 +578,7 @@ ENDIAN_SELECT(" -mbig", " -mlittle", DEFAULT_ASM_ENDIAN)
%{R*} \
%(link_shlib) \
%{!T*: %(link_start) } \
%{!static: %{!mbss-plt: %(link_secure_plt)}} \
%(link_os)"
/* Shared libraries are not default. */
@ -889,6 +894,7 @@ ncrtn.o%s"
{ "link_os_openbsd", LINK_OS_OPENBSD_SPEC }, \
{ "link_os_default", LINK_OS_DEFAULT_SPEC }, \
{ "cc1_secure_plt_default", CC1_SECURE_PLT_DEFAULT_SPEC }, \
{ "link_secure_plt", LINK_SECURE_PLT_SPEC }, \
{ "cpp_os_ads", CPP_OS_ADS_SPEC }, \
{ "cpp_os_yellowknife", CPP_OS_YELLOWKNIFE_SPEC }, \
{ "cpp_os_mvme", CPP_OS_MVME_SPEC }, \