/* Target definitions for GNU compiler for PowerPC running System V.4
- Copyright (C) 1995-2017 Free Software Foundation, Inc.
+ Copyright (C) 1995-2020 Free Software Foundation, Inc.
Contributed by Cygnus Support.
This file is part of GCC.
see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
<http://www.gnu.org/licenses/>. */
-/* Header files should be C++ aware in general. */
-#undef NO_IMPLICIT_EXTERN_C
-#define NO_IMPLICIT_EXTERN_C
+#undef GNU_USER_TARGET_CRTI
+#define GNU_USER_TARGET_CRTI "%{mnewlib:ecrti.o%s;:crti.o%s}"
+#undef GNU_USER_TARGET_CRTN
+#define GNU_USER_TARGET_CRTN "%{mnewlib:ecrtn.o%s;:crtn.o%s}"
/* Yes! We are ELF. */
#define TARGET_OBJECT_FORMAT OBJECT_ELF
/* Override rs6000.h definition. */
#undef ASM_DEFAULT_SPEC
-#define ASM_DEFAULT_SPEC "-mppc"
+#define ASM_DEFAULT_SPEC "-mppc%{m64:64}"
-#define TARGET_TOC (TARGET_64BIT \
+#define TARGET_HAS_TOC (TARGET_64BIT \
|| (TARGET_MINIMAL_TOC \
&& flag_pic > 1) \
|| DEFAULT_ABI != ABI_V4)
#define TARGET_BIG_ENDIAN (! TARGET_LITTLE_ENDIAN)
#define TARGET_PROTOTYPE target_prototype
#define TARGET_NO_PROTOTYPE (! TARGET_PROTOTYPE)
-#define TARGET_NO_TOC (! TARGET_TOC)
#define TARGET_NO_EABI (! TARGET_EABI)
#define TARGET_REGNAMES rs6000_regnames
#define TARGET_SECURE_PLT secure_plt
#endif
+#if HAVE_AS_PLTSEQ
+#undef TARGET_PLTSEQ
+#define TARGET_PLTSEQ rs6000_pltseq
+#endif
+
#define SDATA_DEFAULT_SIZE 8
/* The macro SUBTARGET_OVERRIDE_OPTIONS is provided for subtargets, to
{ \
rs6000_sdata = SDATA_NONE; \
error ("%<%s=%s%> and %<%s-%s%> are incompatible", \
- "-msdata", "-mcall", rs6000_sdata_name, rs6000_abi_name); \
+ "-msdata", rs6000_sdata_name, "-mcall", rs6000_abi_name); \
} \
\
targetm.have_srodata_section = rs6000_sdata == SDATA_EABI; \
error ("%qs not supported by your assembler", "-msecure-plt"); \
} \
\
+ if (TARGET_PLTSEQ != rs6000_pltseq \
+ && global_options_set.x_rs6000_pltseq) \
+ { \
+ error ("%qs not supported by your assembler", "-mpltseq"); \
+ } \
+ \
+ if (DEFAULT_ABI == ABI_V4 && TARGET_PLTSEQ && !TARGET_SECURE_PLT) \
+ { \
+ if (global_options_set.x_rs6000_pltseq) \
+ { \
+ if (global_options_set.x_secure_plt) \
+ error ("%qs and %qs are incompatible", \
+ "-mpltseq", "-mbss-plt"); \
+ else \
+ secure_plt = true; \
+ } \
+ if (!TARGET_SECURE_PLT) \
+ rs6000_pltseq = false; \
+ } \
+ \
if (flag_pic > 1 && DEFAULT_ABI == ABI_V4) \
{ \
/* Note: flag_pic should not change any option flags that would \
#undef ASM_OUTPUT_SPECIAL_POOL_ENTRY_P
#define ASM_OUTPUT_SPECIAL_POOL_ENTRY_P(X, MODE) \
(TARGET_TOC \
- && (GET_CODE (X) == SYMBOL_REF \
+ && (SYMBOL_REF_P (X) \
|| (GET_CODE (X) == CONST && GET_CODE (XEXP (X, 0)) == PLUS \
- && GET_CODE (XEXP (XEXP (X, 0), 0)) == SYMBOL_REF) \
+ && SYMBOL_REF_P (XEXP (XEXP (X, 0), 0))) \
|| GET_CODE (X) == LABEL_REF \
- || (GET_CODE (X) == CONST_INT \
+ || (CONST_INT_P (X) \
&& GET_MODE_BITSIZE (MODE) <= GET_MODE_BITSIZE (Pmode)) \
|| (!TARGET_NO_FP_IN_TOC \
- && GET_CODE (X) == CONST_DOUBLE \
+ && CONST_DOUBLE_P (X) \
&& SCALAR_FLOAT_MODE_P (GET_MODE (X)) \
&& BITS_PER_WORD == HOST_BITS_PER_INT)))
%{mcall-openbsd: -mno-eabi }}} \
%{msdata: -msdata=default} \
%{mno-sdata: -msdata=none} \
-%{!mbss-plt: %{!msecure-plt: %(cc1_secure_plt_default)}} \
-%{profile: -p}"
+%{!mbss-plt: %{!msecure-plt: %(cc1_secure_plt_default)}}" \
+GNU_USER_TARGET_CC1_SPEC
/* Default starting address if specified. */
#define LINK_START_SPEC "\
#define LINK_OS_DEFAULT_SPEC ""
-#define DRIVER_SELF_SPECS "%{mfpu=none: %<mfpu=* \
- %<msingle-float %<mdouble-float}"
-
/* Override rs6000.h definition. */
#undef CPP_SPEC
#define CPP_SPEC "%{posix: -D_POSIX_SOURCE} \
%{symbolic:-Bsymbolic}"
/* GNU/Linux support. */
-#define LIB_LINUX_SPEC "%{mnewlib: --start-group -llinux -lc --end-group } \
-%{!mnewlib: %{pthread:-lpthread} %{shared:-lc} \
-%{!shared: %{profile:-lc_p} %{!profile:-lc}}}"
+#define LIB_LINUX_SPEC \
+ "%{mnewlib: --start-group -llinux -lc --end-group; \
+ :" GNU_USER_TARGET_LIB_SPEC "}"
-#if ENABLE_OFFLOADING == 1
-#define CRTOFFLOADBEGIN "%{fopenacc|fopenmp:crtoffloadbegin%O%s}"
-#define CRTOFFLOADEND "%{fopenacc|fopenmp:crtoffloadend%O%s}"
-#else
-#define CRTOFFLOADBEGIN ""
-#define CRTOFFLOADEND ""
-#endif
+#define STARTFILE_LINUX_SPEC GNU_USER_TARGET_STARTFILE_SPEC
-/* STARTFILE_LINUX_SPEC should be the same as GNU_USER_TARGET_STARTFILE_SPEC
- but with the mnewlib ecrti.o%s selection substituted for crti.o%s. */
-#define STARTFILE_LINUX_SPEC \
- "%{shared:; \
- pg|p|profile:gcrt1.o%s; \
- static:crt1.o%s; \
- " PIE_SPEC ":Scrt1.o%s; \
- :crt1.o%s} \
- %{mnewlib:ecrti.o%s;:crti.o%s} \
- %{static:crtbeginT.o%s; \
- shared|" PIE_SPEC ":crtbeginS.o%s; \
- :crtbegin.o%s} \
- %{fvtable-verify=none:%s; \
- fvtable-verify=preinit:vtv_start_preinit.o%s; \
- fvtable-verify=std:vtv_start.o%s} \
- " CRTOFFLOADBEGIN
-
-/* ENDFILE_LINUX_SPEC should be the same as GNU_USER_TARGET_ENDFILE_SPEC
- but with the mnewlib ecrtn.o%s selection substituted for crtn.o%s. */
-#define ENDFILE_LINUX_SPEC \
- "%{fvtable-verify=none:%s; \
- fvtable-verify=preinit:vtv_end_preinit.o%s; \
- fvtable-verify=std:vtv_end.o%s} \
- %{static:crtend.o%s; \
- shared|" PIE_SPEC ":crtendS.o%s; \
- :crtend.o%s} \
- %{mnewlib:ecrtn.o%s;:crtn.o%s} \
- " CRTOFFLOADEND
+#define ENDFILE_LINUX_SPEC GNU_USER_TARGET_ENDFILE_SPEC
#define LINK_START_LINUX_SPEC ""
#define MUSL_DYNAMIC_LINKER_E ENDIAN_SELECT("","le","")
#define GLIBC_DYNAMIC_LINKER "/lib/ld.so.1"
-#define UCLIBC_DYNAMIC_LINKER "/lib/ld-uClibc.so.0"
+#undef MUSL_DYNAMIC_LINKER
#define MUSL_DYNAMIC_LINKER \
"/lib/ld-musl-powerpc" MUSL_DYNAMIC_LINKER_E "%{msoft-float:-sf}.so.1"
-#if DEFAULT_LIBC == LIBC_UCLIBC
-#define CHOOSE_DYNAMIC_LINKER(G, U, M) \
- "%{mglibc:" G ";:%{mmusl:" M ";:" U "}}"
-#elif DEFAULT_LIBC == LIBC_MUSL
-#define CHOOSE_DYNAMIC_LINKER(G, U, M) \
- "%{mglibc:" G ";:%{muclibc:" U ";:" M "}}"
-#elif !defined (DEFAULT_LIBC) || DEFAULT_LIBC == LIBC_GLIBC
-#define CHOOSE_DYNAMIC_LINKER(G, U, M) \
- "%{muclibc:" U ";:%{mmusl:" M ";:" G "}}"
-#else
-#error "Unsupported DEFAULT_LIBC"
+
+#ifndef GNU_USER_DYNAMIC_LINKER
+#define GNU_USER_DYNAMIC_LINKER GLIBC_DYNAMIC_LINKER
#endif
-#define GNU_USER_DYNAMIC_LINKER \
- CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER, \
- MUSL_DYNAMIC_LINKER)
#define LINK_OS_LINUX_SPEC "-m elf32ppclinux %{!shared: %{!static: \
%{rdynamic:-export-dynamic} \
-dynamic-linker " GNU_USER_DYNAMIC_LINKER "}}"
-#if defined(HAVE_LD_EH_FRAME_HDR)
-# define LINK_EH_SPEC "%{!static:--eh-frame-hdr} "
-#endif
-
-#define CPP_OS_LINUX_SPEC "-D__unix__ -D__gnu_linux__ -D__linux__ \
-%{!undef: \
- %{!ansi: \
- %{!std=*:-Dunix -D__unix -Dlinux -D__linux} \
- %{std=gnu*:-Dunix -D__unix -Dlinux -D__linux}}} \
--Asystem=linux -Asystem=unix -Asystem=posix %{pthread:-D_REENTRANT}"
+#define CPP_OS_LINUX_SPEC "%{pthread:-D_REENTRANT}"
/* NetBSD support. */
#define LIB_NETBSD_SPEC "\
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