On 17/10/15 02:14, Oleg Endo wrote:
On Fri, 2015-10-16 at 17:06 +0100, Szabolcs Nagy wrote:
Revision of
https://gcc.gnu.org/ml/gcc-patches/2015-04/msg01636.html
The musl dynamic linker name is /lib/ld-musl-sh{-nofpu}{-fdpic}.so.1
New in this revision:
Add -fdpic to the name, will be useful with the pending sh2 FDPIC support.
2015-10-16 Gregor Richards <gregor.richa...@uwaterloo.ca>
Szabolcs Nagy <szabolcs.n...@arm.com>
* config/sh/linux.h (MUSL_DYNAMIC_LINKER): Define.
(MUSL_DYNAMIC_LINKER_E, MUSL_DYNAMIC_LINKER_FP): Define.
+#if TARGET_CPU_DEFAULT & (MASK_HARD_SH2A_DOUBLE | MASK_SH4)
+/* "-nofpu" if any nofpu option is specified. */
+#define MUSL_DYNAMIC_LINKER_FP \
+ "%{m1|m2|m2a-nofpu|m3|m4-nofpu|m4-100-nofpu|m4-200-nofpu|m4-300-nofpu|" \
+ "m4-340|m4-400|m4-500|m4al|m5-32media-nofpu|m5-64media-nofpu|" \
+ "m5-compact-nofpu:-nofpu}"
+#else
+/* "-nofpu" if none of the hard fpu options are specified. */
+#define MUSL_DYNAMIC_LINKER_FP \
+
"%{m2a|m4|m4-100|m4-200|m4-300|m4a|m5-32media|m5-64media|m5-compact:;:-nofpu}"
+#endif
SH5 has been declared obsolete. Please do not add any new SH5 related
things. In this case, drop the m5-* thingies.
removed m5*.
OK to commit with this?
diff --git a/gcc/config/sh/linux.h b/gcc/config/sh/linux.h
index 0f5d614..61cf777 100644
--- a/gcc/config/sh/linux.h
+++ b/gcc/config/sh/linux.h
@@ -43,6 +43,27 @@ along with GCC; see the file COPYING3. If not see
#define TARGET_ASM_FILE_END file_end_indicate_exec_stack
+#if TARGET_ENDIAN_DEFAULT == MASK_LITTLE_ENDIAN
+#define MUSL_DYNAMIC_LINKER_E "%{mb:eb}"
+#else
+#define MUSL_DYNAMIC_LINKER_E "%{!ml:eb}"
+#endif
+
+#if TARGET_CPU_DEFAULT & (MASK_HARD_SH2A_DOUBLE | MASK_SH4)
+/* "-nofpu" if any nofpu option is specified. */
+#define MUSL_DYNAMIC_LINKER_FP \
+ "%{m1|m2|m2a-nofpu|m3|m4-nofpu|m4-100-nofpu|m4-200-nofpu|m4-300-nofpu|" \
+ "m4-340|m4-400|m4-500|m4al:-nofpu}"
+#else
+/* "-nofpu" if none of the hard fpu options are specified. */
+#define MUSL_DYNAMIC_LINKER_FP "%{m2a|m4|m4-100|m4-200|m4-300|m4a:;:-nofpu}"
+#endif
+
+#undef MUSL_DYNAMIC_LINKER
+#define MUSL_DYNAMIC_LINKER \
+ "/lib/ld-musl-sh" MUSL_DYNAMIC_LINKER_E MUSL_DYNAMIC_LINKER_FP \
+ "%{mfdpic:-fdpic}.so.1"
+
#define GLIBC_DYNAMIC_LINKER "/lib/ld-linux.so.2"
#undef SUBTARGET_LINK_EMUL_SUFFIX
