From: Sergei Trofimovich <siarh...@google.com>
In --enable-default-pie mode compiler should switch from
using crtend.o to crtendS.o. On sparc it is especially important
because crtend.o contains PIC-unfriendly code.
We use GNU_USER_TARGET_ENDFILE_SPEC as a baseline spec to get
crtendS.o instead of crtend.o in !no-pie mode.
gcc:
2020-07-14 Sergei Trofimovich <siarh...@google.com>
PR target/96190
* config/sparc/linux.h: Extend GNU_USER_TARGET_ENDFILE_SPEC
to get crtendS.o for !no-pie mode.
* config/sparc/linux64.h: Ditto.
---
gcc/config/sparc/linux.h | 10 ++--------
gcc/config/sparc/linux64.h | 10 ++--------
2 files changed, 4 insertions(+), 16 deletions(-)
diff --git a/gcc/config/sparc/linux.h b/gcc/config/sparc/linux.h
index 81201e67a2f..63853e60c03 100644
--- a/gcc/config/sparc/linux.h
+++ b/gcc/config/sparc/linux.h
@@ -27,16 +27,10 @@ along with GCC; see the file COPYING3. If not see
} \
while (0)
-/* Provide a ENDFILE_SPEC appropriate for GNU/Linux. Here we tack on
- the GNU/Linux magical crtend.o file (see crtstuff.c) which
- provides part of the support for getting C++ file-scope static
- object constructed before entering `main', followed by a normal
- GNU/Linux "finalizer" file, `crtn.o'. */
-
#undef ENDFILE_SPEC
#define ENDFILE_SPEC \
- "%{shared|pie:crtendS.o%s;:crtend.o%s} crtn.o%s\
- %{Ofast|ffast-math|funsafe-math-optimizations:crtfastmath.o%s}"
+ GNU_USER_TARGET_ENDFILE_SPEC \
+ "%{Ofast|ffast-math|funsafe-math-optimizations:crtfastmath.o%s}"
/* -mcpu=native handling only makes sense with compiler running on
a SPARC chip. */
diff --git a/gcc/config/sparc/linux64.h b/gcc/config/sparc/linux64.h
index a1a0efd8f28..19ce84d7adb 100644
--- a/gcc/config/sparc/linux64.h
+++ b/gcc/config/sparc/linux64.h
@@ -44,16 +44,10 @@ along with GCC; see the file COPYING3. If not see
#undef ASM_CPU64_DEFAULT_SPEC
#define ASM_CPU64_DEFAULT_SPEC "-Av9a"
-/* Provide a ENDFILE_SPEC appropriate for GNU/Linux. Here we tack on
- the GNU/Linux magical crtend.o file (see crtstuff.c) which
- provides part of the support for getting C++ file-scope static
- object constructed before entering `main', followed by a normal
- GNU/Linux "finalizer" file, `crtn.o'. */
-
#undef ENDFILE_SPEC
#define ENDFILE_SPEC \
- "%{shared|pie:crtendS.o%s;:crtend.o%s} crtn.o%s\
- %{Ofast|ffast-math|funsafe-math-optimizations:crtfastmath.o%s}"
+ GNU_USER_TARGET_ENDFILE_SPEC \
+ "%{Ofast|ffast-math|funsafe-math-optimizations:crtfastmath.o%s}"
/* The default code model. */
#undef SPARC_DEFAULT_CMODEL
--
2.27.0
