/* Definitions for SH running Linux-based GNU systems using ELF
- Copyright (C) 1999, 2000, 2002, 2003, 2004, 2005
- Free Software Foundation, Inc.
+ Copyright (C) 1999-2017 Free Software Foundation, Inc.
Contributed by Kazumoto Kojima <kkojima@rr.iij4u.or.jp>
This file is part of GCC.
GCC is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2, or (at your option)
+the Free Software Foundation; either version 3, or (at your option)
any later version.
GCC is distributed in the hope that it will be useful,
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
-along with this program; see the file COPYING. If not, write to
-the Free Software Foundation, 51 Franklin Street, Fifth Floor,
-Boston, MA 02110-1301, USA. */
+along with GCC; see the file COPYING3. If not see
+<http://www.gnu.org/licenses/>. */
/* Run-time Target Specification. */
-#undef TARGET_VERSION
-#define TARGET_VERSION fputs (" (SH GNU/Linux with ELF)", stderr);
/* Enable DWARF 2 exceptions. */
#undef DWARF2_UNWIND_INFO
#define TARGET_OS_CPP_BUILTINS() \
do \
{ \
- LINUX_TARGET_OS_CPP_BUILTINS(); \
- if (flag_pic) \
- { \
- builtin_define ("__PIC__"); \
- builtin_define ("__pic__"); \
- } \
+ GNU_USER_TARGET_OS_CPP_BUILTINS(); \
} \
while (0)
#undef TARGET_DEFAULT
#define TARGET_DEFAULT \
- (TARGET_CPU_DEFAULT | MASK_USERMODE | TARGET_ENDIAN_DEFAULT \
- | TARGET_OPT_DEFAULT)
+ (TARGET_CPU_DEFAULT | TARGET_ENDIAN_DEFAULT | TARGET_OPT_DEFAULT)
#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
-#define SUBTARGET_LINK_EMUL_SUFFIX "_linux"
+#define SUBTARGET_LINK_EMUL_SUFFIX "%{mfdpic:_fd;:_linux}"
+
#undef SUBTARGET_LINK_SPEC
#define SUBTARGET_LINK_SPEC \
"%{shared:-shared} \
%{!static: \
%{rdynamic:-export-dynamic} \
- %{!dynamic-linker:-dynamic-linker /lib/ld-linux.so.2}} \
+ -dynamic-linker " GNU_USER_DYNAMIC_LINKER "} \
%{static:-static}"
/* Output assembler code to STREAM to call the profiler. */
-
#undef FUNCTION_PROFILER
#define FUNCTION_PROFILER(STREAM,LABELNO) \
do { \
- if (TARGET_SHMEDIA) \
- { \
- fprintf (STREAM, "\tpt\t1f,tr1\n"); \
- fprintf (STREAM, "\taddi.l\tr15,-8,r15\n"); \
- fprintf (STREAM, "\tst.l\tr15,0,r18\n"); \
- if (flag_pic) \
- { \
- const char *gofs = "(datalabel _GLOBAL_OFFSET_TABLE_-(0f-.))"; \
- fprintf (STREAM, "\tmovi\t((%s>>16)&0xffff),r21\n", gofs); \
- fprintf (STREAM, "\tshori\t(%s & 0xffff),r21\n", gofs); \
- fprintf (STREAM, "0:\tptrel/u\tr21,tr0\n"); \
- fprintf (STREAM, "\tmovi\t((mcount@GOTPLT)&0xffff),r22\n"); \
- fprintf (STREAM, "\tgettr\ttr0,r21\n"); \
- fprintf (STREAM, "\tadd.l\tr21,r22,r21\n"); \
- fprintf (STREAM, "\tld.l\tr21,0,r21\n"); \
- fprintf (STREAM, "\tptabs\tr21,tr0\n"); \
- } \
- else \
- fprintf (STREAM, "\tpt\tmcount,tr0\n"); \
- fprintf (STREAM, "\tgettr\ttr1,r18\n"); \
- fprintf (STREAM, "\tblink\ttr0,r63\n"); \
- fprintf (STREAM, "1:\tld.l\tr15,0,r18\n"); \
- fprintf (STREAM, "\taddi.l\tr15,8,r15\n"); \
- } \
- else \
- { \
if (flag_pic) \
{ \
fprintf (STREAM, "\tmov.l\t3f,r1\n"); \
else \
fprintf (STREAM, "1:\t.long\tmcount\n"); \
fprintf (STREAM, "2:\tlds.l\t@r15+,pr\n"); \
- } \
} while (0)
-#define MD_UNWIND_SUPPORT "config/sh/linux-unwind.h"
-
/* For SH3 and SH4, we use a slot of the unwind frame which correspond
to a fake register number 16 as a placeholder for the return address
in MD_FALLBACK_FRAME_STATE_FOR and its content will be read with
so as to return itself for 16. */
#undef DBX_REGISTER_NUMBER
#define DBX_REGISTER_NUMBER(REGNO) \
- ((! TARGET_SH5 && (REGNO) == 16) ? 16 : SH_DBX_REGISTER_NUMBER (REGNO))
-
-/* Since libgcc is compiled with -fpic for this target, we can't use
- __sdivsi3_1 as the division strategy for -O0 and -Os. */
-#undef SH_DIV_STRATEGY_DEFAULT
-#define SH_DIV_STRATEGY_DEFAULT SH_DIV_CALL2
-#undef SH_DIV_STR_FOR_SIZE
-#define SH_DIV_STR_FOR_SIZE "call2"
+ (((REGNO) == 16) ? 16 : SH_DBX_REGISTER_NUMBER (REGNO))
+
+/* Install the __sync libcalls. */
+#undef TARGET_INIT_LIBFUNCS
+#define TARGET_INIT_LIBFUNCS sh_init_sync_libfuncs
+
+#undef SUBTARGET_OVERRIDE_OPTIONS
+#define SUBTARGET_OVERRIDE_OPTIONS \
+ do \
+ { \
+ /* Set default atomic model if it hasn't been specified. */ \
+ if (global_options_set.x_sh_atomic_model_str == 0) \
+ { \
+ if (TARGET_SH3) \
+ sh_atomic_model_str = "soft-gusa"; \
+ else if (TARGET_SH1) \
+ sh_atomic_model_str = "soft-imask"; \
+ } \
+ /* Set -musermode if it hasn't been specified. */ \
+ if (global_options_set.x_TARGET_USERMODE == 0) \
+ TARGET_USERMODE = true; \
+ } \
+ while (0)
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