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Diffstat (limited to 'gcc/config/rs6000/rtems.h')
-rw-r--r--gcc/config/rs6000/rtems.h206
1 files changed, 188 insertions, 18 deletions
diff --git a/gcc/config/rs6000/rtems.h b/gcc/config/rs6000/rtems.h
index 54a36de6eb4..8a62fdcbaf3 100644
--- a/gcc/config/rs6000/rtems.h
+++ b/gcc/config/rs6000/rtems.h
@@ -14,33 +14,172 @@
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 GCC; see the file COPYING3. If not see
+ Under Section 7 of GPL version 3, you are granted additional
+ permissions described in the GCC Runtime Library Exception, version
+ 3.1, as published by the Free Software Foundation.
+
+ You should have received a copy of the GNU General Public License and
+ a copy of the GCC Runtime Library Exception along with this program;
+ see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
<http://www.gnu.org/licenses/>. */
-/* Specify predefined symbols in preprocessor. */
+/* Copy and paste from linux64.h and freebsd64.h */
+#ifdef IN_LIBGCC2
+#undef TARGET_64BIT
+#ifdef __powerpc64__
+#define TARGET_64BIT 1
+#else
+#define TARGET_64BIT 0
+#endif
+#endif
+
+/* Copy and paste from linux64.h and freebsd64.h */
+#undef TARGET_AIX
+#define TARGET_AIX TARGET_64BIT
#undef TARGET_OS_CPP_BUILTINS
-#define TARGET_OS_CPP_BUILTINS() \
- do \
- { \
- builtin_define_std ("PPC"); \
- builtin_define ("__rtems__"); \
- builtin_define ("__USE_INIT_FINI__"); \
- builtin_assert ("system=rtems"); \
- builtin_assert ("cpu=powerpc"); \
- builtin_assert ("machine=powerpc"); \
- TARGET_OS_SYSV_CPP_BUILTINS (); \
- } \
+#define TARGET_OS_CPP_BUILTINS() \
+ do \
+ { \
+ builtin_define ("__rtems__"); \
+ builtin_define ("__USE_INIT_FINI__"); \
+ builtin_assert ("system=rtems"); \
+ if (TARGET_64BIT) \
+ { \
+ builtin_define ("__PPC__"); \
+ builtin_define ("__PPC64__"); \
+ builtin_define ("__powerpc64__"); \
+ builtin_assert ("cpu=powerpc64"); \
+ builtin_assert ("machine=powerpc64"); \
+ } \
+ else \
+ { \
+ builtin_define_std ("PPC"); \
+ builtin_define_std ("powerpc"); \
+ builtin_assert ("cpu=powerpc"); \
+ builtin_assert ("machine=powerpc"); \
+ TARGET_OS_SYSV_CPP_BUILTINS (); \
+ } \
+ } \
+ while (0)
+
+/* Copy and paste from linux64.h and freebsd64.h */
+#define INVALID_64BIT "-m%s not supported in this configuration"
+
+/* A lot of copy and paste from linux64.h and freebsd64.h */
+#undef SUBSUBTARGET_OVERRIDE_OPTIONS
+#define SUBSUBTARGET_OVERRIDE_OPTIONS \
+ do \
+ { \
+ if (rs6000_isa_flags & OPTION_MASK_64BIT) \
+ { \
+ rs6000_elf_abi = 2; \
+ rs6000_current_abi = ABI_ELFv2; \
+ if (rs6000_isa_flags & OPTION_MASK_RELOCATABLE) \
+ { \
+ rs6000_isa_flags &= ~OPTION_MASK_RELOCATABLE; \
+ error (INVALID_64BIT, "relocatable"); \
+ } \
+ if (rs6000_isa_flags & OPTION_MASK_EABI) \
+ { \
+ rs6000_isa_flags &= ~OPTION_MASK_EABI; \
+ error (INVALID_64BIT, "eabi"); \
+ } \
+ if (TARGET_PROTOTYPE) \
+ { \
+ target_prototype = 0; \
+ error (INVALID_64BIT, "prototype"); \
+ } \
+ if ((rs6000_isa_flags & OPTION_MASK_POWERPC64) == 0) \
+ { \
+ rs6000_isa_flags |= OPTION_MASK_POWERPC64; \
+ error ("-m64 requires a PowerPC64 cpu"); \
+ } \
+ } \
+ } \
while (0)
#undef TARGET_LIBGCC_SDATA_SECTION
#define TARGET_LIBGCC_SDATA_SECTION ".sdata"
-#undef CPP_OS_DEFAULT_SPEC
-#define CPP_OS_DEFAULT_SPEC "%(cpp_os_rtems)"
+/* Copy and paste from linux64.h and freebsd64.h */
+#undef SIZE_TYPE
+#define SIZE_TYPE (TARGET_64BIT ? "long unsigned int" : "unsigned int")
+
+/* Copy and paste from linux64.h and freebsd64.h */
+#undef PTRDIFF_TYPE
+#define PTRDIFF_TYPE (TARGET_64BIT ? "long int" : "int")
+
+/* Copy and paste from freebsd64.h */
+#undef WCHAR_TYPE
+
+/* Copy and paste from freebsd64.h */
+#undef WCHAR_TYPE_SIZE
+#define WCHAR_TYPE_SIZE 32
+
+/* Copy and paste from linux64.h and freebsd64.h */
+#ifdef __powerpc64__
+#define CRT_CALL_STATIC_FUNCTION(SECTION_OP, FUNC) \
+ asm (SECTION_OP "\n" \
+" bl " #FUNC "\n" \
+" nop\n" \
+" .previous");
+#endif
+
+/* This could be also POWERPC_FREEBSD. It is related to the save/restore
+ defines below. */
+#define POWERPC_LINUX
+
+/* Copy and paste from linux64.h and freebsd64.h */
+#undef SAVE_FP_PREFIX
+#define SAVE_FP_PREFIX (TARGET_64BIT ? "._savef" : "_savefpr_")
+#undef SAVE_FP_SUFFIX
+#define SAVE_FP_SUFFIX ""
+#undef RESTORE_FP_PREFIX
+#define RESTORE_FP_PREFIX (TARGET_64BIT ? "._restf" : "_restfpr_")
+#undef RESTORE_FP_SUFFIX
+#define RESTORE_FP_SUFFIX ""
-#define CPP_OS_RTEMS_SPEC "\
+/* Copy and paste from linux64.h and freebsd64.h */
+#undef ASM_DECLARE_FUNCTION_SIZE
+#define ASM_DECLARE_FUNCTION_SIZE(FILE, FNAME, DECL) \
+ do \
+ { \
+ if (!flag_inhibit_size_directive) \
+ { \
+ fputs ("\t.size\t", (FILE)); \
+ if (TARGET_64BIT && DOT_SYMBOLS) \
+ putc ('.', (FILE)); \
+ assemble_name ((FILE), (FNAME)); \
+ fputs (",.-", (FILE)); \
+ rs6000_output_function_entry (FILE, FNAME); \
+ putc ('\n', (FILE)); \
+ } \
+ } \
+ while (0)
+
+/* Copy and paste from linux64.h and freebsd64.h */
+#undef ASM_OUTPUT_SPECIAL_POOL_ENTRY_P
+#define ASM_OUTPUT_SPECIAL_POOL_ENTRY_P(X, MODE) \
+ (TARGET_TOC \
+ && (GET_CODE (X) == SYMBOL_REF \
+ || (GET_CODE (X) == CONST && GET_CODE (XEXP (X, 0)) == PLUS \
+ && GET_CODE (XEXP (XEXP (X, 0), 0)) == SYMBOL_REF) \
+ || GET_CODE (X) == LABEL_REF \
+ || (GET_CODE (X) == CONST_INT \
+ && GET_MODE_BITSIZE (MODE) <= GET_MODE_BITSIZE (Pmode)) \
+ || (GET_CODE (X) == CONST_DOUBLE \
+ && ((TARGET_64BIT \
+ && (TARGET_MINIMAL_TOC \
+ || (SCALAR_FLOAT_MODE_P (GET_MODE (X)) \
+ && ! TARGET_NO_FP_IN_TOC))) \
+ || (!TARGET_64BIT \
+ && !TARGET_NO_FP_IN_TOC \
+ && SCALAR_FLOAT_MODE_P (GET_MODE (X)) \
+ && BITS_PER_WORD == HOST_BITS_PER_INT)))))
+
+#undef CPP_OS_DEFAULT_SPEC
+#define CPP_OS_DEFAULT_SPEC "\
%{!mcpu*: %{!Dppc*: %{!Dmpc*: -Dmpc750} } }\
%{mcpu=403: %{!Dppc*: %{!Dmpc*: -Dppc403} } } \
%{mcpu=505: %{!Dppc*: %{!Dmpc*: -Dmpc505} } } \
@@ -55,6 +194,37 @@
%{mcpu=8540: %{!Dppc*: %{!Dmpc*: -Dppc8540} } } \
%{mcpu=e6500: -D__PPC_CPU_E6500__}"
+#undef ASM_DEFAULT_SPEC
+#define ASM_DEFAULT_SPEC "-mppc%{m64:64}"
+
+#undef ASM_SPEC
+#define ASM_SPEC "%{!m64:%(asm_spec32)}%{m64:%(asm_spec64)} %(asm_spec_common)"
+
+#define ASM_SPEC32 "-a32 \
+%{mrelocatable} %{mrelocatable-lib} %{" FPIE_OR_FPIC_SPEC ":-K PIC} \
+%{memb|msdata=eabi: -memb}"
+
+#define ASM_SPEC64 "-a64"
+
+#define ASM_SPEC_COMMON "%(asm_cpu) \
+%{,assembler|,assembler-with-cpp: %{mregnames} %{mno-regnames}}" \
+ ENDIAN_SELECT(" -mbig", " -mlittle", DEFAULT_ASM_ENDIAN)
+
+#undef LINK_OS_DEFAULT_SPEC
+#define LINK_OS_DEFAULT_SPEC \
+"%{!m64:%(link_os_spec32)}%{m64:%(link_os_spec64)}"
+
+#define LINK_OS_SPEC32 ENDIAN_SELECT(" -m elf32ppc", \
+ " -m elf32lppc", \
+ " -m elf32ppc")
+#define LINK_OS_SPEC64 ENDIAN_SELECT(" -m elf64ppc", \
+ " -m elf64lppc", \
+ " -m elf64ppc")
+
#undef SUBSUBTARGET_EXTRA_SPECS
#define SUBSUBTARGET_EXTRA_SPECS \
- { "cpp_os_rtems", CPP_OS_RTEMS_SPEC }
+ { "asm_spec_common", ASM_SPEC_COMMON }, \
+ { "asm_spec32", ASM_SPEC32 }, \
+ { "asm_spec64", ASM_SPEC64 }, \
+ { "link_os_spec32", LINK_OS_SPEC32 }, \
+ { "link_os_spec64", LINK_OS_SPEC64 },
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-22 06:07:40 +0000