/* Definitions for SH running Linux-based GNU systems using ELF
- Copyright (C) 1999, 2000, 2002 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 GNU CC.
+This file is part of GCC.
-GNU CC is free software; you can redistribute it and/or modify
+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.
-GNU CC is distributed in the hope that it will be useful,
+GCC is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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, 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, 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 DWARF2_UNWIND_INFO 1
#undef SUBTARGET_CPP_SPEC
#define SUBTARGET_CPP_SPEC "\
- %{fPIC:-D__PIC__ -D__pic__} \
- %{fpic:-D__PIC__ -D__pic__} \
%{posix:-D_POSIX_SOURCE} \
%{pthread:-D_REENTRANT -D_PTHREADS} \
"
-#undef SUBTARGET_CPP_ENDIAN_SPEC
-#define SUBTARGET_CPP_ENDIAN_SPEC \
- "%{mb:-D__BIG_ENDIAN__} \
- %{!mb:-D__LITTLE_ENDIAN__}"
-
-#undef CPP_DEFAULT_CPU_SPEC
-#define CPP_DEFAULT_CPU_SPEC "-D__SH3__ -D__sh3__"
-
-
-#undef CPP_PREDEFINES
-#define CPP_PREDEFINES "-D__ELF__ -Dunix -D__sh__ -Dlinux -Asystem=posix"
-
-#undef SUBTARGET_ASM_ENDIAN_SPEC
-#define SUBTARGET_ASM_ENDIAN_SPEC "%{!mb:-little}"
-
-#undef CC1_SPEC
-#define CC1_SPEC \
- "-musermode %{!mb:-ml} %{!m3e:%{!m4*:%{!m5*:-m3}}}"
-
-#undef CC1PLUS_SPEC
-#define CC1PLUS_SPEC \
- "-musermode %{!mb:-ml} %{!m3e:%{!m4:-m3}}"
-
-#undef LINK_SPEC
-#define LINK_SPEC \
- "%{!mb:-m shlelf_linux} %{mrelax:-relax} \
- %{shared:-shared} \
+#define TARGET_OS_CPP_BUILTINS() \
+ do \
+ { \
+ GNU_USER_TARGET_OS_CPP_BUILTINS(); \
+ } \
+ while (0)
+
+#undef TARGET_DEFAULT
+#define TARGET_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 "%{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} \
- %{!rpath:-rpath /lib}} \
+ -dynamic-linker " GNU_USER_DYNAMIC_LINKER "} \
%{static:-static}"
-#undef LIB_SPEC
-#define LIB_SPEC \
- "%{shared: -lc} \
- %{!shared: %{pthread:-lthread} \
- %{profile:-lc_p} %{!profile: -lc}}"
-
-#undef STARTFILE_SPEC
-#define STARTFILE_SPEC \
- "%{!shared: \
- %{pg:gcrt1.o%s} %{!pg:%{p:gcrt1.o%s} \
- %{!p:%{profile:gcrt1.o%s} \
- %{!profile:crt1.o%s}}}} \
- crti.o%s %{!shared:crtbegin.o%s} %{shared:crtbeginS.o%s}"
+/* Output assembler code to STREAM to call the profiler. */
+#undef FUNCTION_PROFILER
+#define FUNCTION_PROFILER(STREAM,LABELNO) \
+ do { \
+ if (flag_pic) \
+ { \
+ fprintf (STREAM, "\tmov.l\t3f,r1\n"); \
+ fprintf (STREAM, "\tmova\t3f,r0\n"); \
+ fprintf (STREAM, "\tadd\tr1,r0\n"); \
+ fprintf (STREAM, "\tmov.l\t1f,r1\n"); \
+ fprintf (STREAM, "\tmov.l\t@(r0,r1),r1\n"); \
+ } \
+ else \
+ fprintf (STREAM, "\tmov.l\t1f,r1\n"); \
+ fprintf (STREAM, "\tsts.l\tpr,@-r15\n"); \
+ fprintf (STREAM, "\tmova\t2f,r0\n"); \
+ fprintf (STREAM, "\tjmp\t@r1\n"); \
+ fprintf (STREAM, "\tlds\tr0,pr\n"); \
+ fprintf (STREAM, "\t.align\t2\n"); \
+ if (flag_pic) \
+ { \
+ fprintf (STREAM, "1:\t.long\tmcount@GOT\n"); \
+ fprintf (STREAM, "3:\t.long\t_GLOBAL_OFFSET_TABLE_\n"); \
+ } \
+ else \
+ fprintf (STREAM, "1:\t.long\tmcount\n"); \
+ fprintf (STREAM, "2:\tlds.l\t@r15+,pr\n"); \
+ } while (0)
+
+/* 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
+ _Unwind_GetGR which uses dwarf_reg_size_table to get the size of
+ the register. So the entry of dwarf_reg_size_table corresponding to
+ this slot must be set. To do this, we redefine DBX_REGISTER_NUMBER
+ so as to return itself for 16. */
+#undef DBX_REGISTER_NUMBER
+#define DBX_REGISTER_NUMBER(REGNO) \
+ (((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)
projects / thirdparty / gcc.git / blobdiff