/* Definitions of target machine for GNU compiler,
for 64 bit PowerPC linux.
- Copyright (C) 2000-2017 Free Software Foundation, Inc.
+ Copyright (C) 2000-2020 Free Software Foundation, Inc.
This file is part of GCC.
{ \
rs6000_current_abi = ABI_ELFv2; \
if (dot_symbols) \
- error ("-mcall-aixdesc incompatible with -mabi=elfv2"); \
+ error ("%<-mcall-aixdesc%> incompatible with %<-mabi=elfv2%>"); \
} \
if (rs6000_isa_flags & OPTION_MASK_RELOCATABLE) \
{ \
if ((rs6000_isa_flags & OPTION_MASK_POWERPC64) == 0) \
{ \
rs6000_isa_flags |= OPTION_MASK_POWERPC64; \
- error ("-m64 requires a PowerPC64 cpu"); \
+ error ("%<-m64%> requires a PowerPC64 cpu"); \
} \
if ((rs6000_isa_flags_explicit \
& OPTION_MASK_MINIMAL_TOC) != 0) \
{ \
if (global_options_set.x_rs6000_current_cmodel \
&& rs6000_current_cmodel != CMODEL_SMALL) \
- error ("-mcmodel incompatible with other toc options"); \
+ error ("%<-mcmodel incompatible with other toc options%>"); \
SET_CMODEL (CMODEL_SMALL); \
} \
else \
TARGET_NO_SUM_IN_TOC = 0; \
} \
} \
+ if (TARGET_PLTSEQ && DEFAULT_ABI != ABI_ELFv2) \
+ { \
+ if (global_options_set.x_rs6000_pltseq) \
+ warning (0, "%qs unsupported for this ABI", \
+ "-mpltseq"); \
+ rs6000_pltseq = false; \
+ } \
} \
else \
{ \
} \
while (0)
-#undef ASM_DEFAULT_SPEC
#undef ASM_SPEC
#undef LINK_OS_LINUX_SPEC
#undef LINK_SECURE_PLT_SPEC
#ifndef RS6000_BI_ARCH
-#define ASM_DEFAULT_SPEC "-mppc64"
#define ASM_SPEC "%(asm_spec64) %(asm_spec_common)"
#define LINK_OS_LINUX_SPEC "%(link_os_linux_spec64)"
#define LINK_SECURE_PLT_SPEC ""
#else
#if DEFAULT_ARCH64_P
-#define ASM_DEFAULT_SPEC "-mppc%{!m32:64}"
#define ASM_SPEC "%{m32:%(asm_spec32)}%{!m32:%(asm_spec64)} %(asm_spec_common)"
#define LINK_OS_LINUX_SPEC "%{m32:%(link_os_linux_spec32)}%{!m32:%(link_os_linux_spec64)}"
#define LINK_SECURE_PLT_SPEC "%{m32: " LINK_SECURE_PLT_DEFAULT_SPEC "}"
#else
-#define ASM_DEFAULT_SPEC "-mppc%{m64:64}"
#define ASM_SPEC "%{!m64:%(asm_spec32)}%{m64:%(asm_spec64)} %(asm_spec_common)"
#define LINK_OS_LINUX_SPEC "%{!m64:%(link_os_linux_spec32)}%{m64:%(link_os_linux_spec64)}"
#define LINK_SECURE_PLT_SPEC "%{!m64: " LINK_SECURE_PLT_DEFAULT_SPEC "}"
#ifndef RS6000_BI_ARCH
/* 64-bit PowerPC Linux always has a TOC. */
-#undef TARGET_TOC
-#define TARGET_TOC 1
+#undef TARGET_HAS_TOC
+#define TARGET_HAS_TOC 1
/* Some things from sysv4.h we don't do when 64 bit. */
#undef OPTION_RELOCATABLE
#define TARGET_OS_CPP_BUILTINS() \
do \
{ \
+ if (strcmp (rs6000_abi_name, "linux") == 0 \
+ || strcmp (rs6000_abi_name, "aixdesc") == 0) \
+ GNU_USER_TARGET_OS_CPP_BUILTINS(); \
if (TARGET_64BIT) \
{ \
builtin_define ("__PPC__"); \
#define CPP_OS_DEFAULT_SPEC "%(cpp_os_linux) %(include_extra)"
#undef LINK_SHLIB_SPEC
-#define LINK_SHLIB_SPEC "%{shared:-shared} %{!shared: %{static:-static}}"
+#define LINK_SHLIB_SPEC "%{shared:-shared} %{!shared: %{static:-static}} \
+ %{static-pie:-static -pie --no-dynamic-linker -z text}"
#undef LIB_DEFAULT_SPEC
#define LIB_DEFAULT_SPEC "%(lib_linux)"
":%(dynamic_linker_prefix)/lib64/ld64.so.1}"
#endif
+#undef MUSL_DYNAMIC_LINKER32
#define MUSL_DYNAMIC_LINKER32 \
"/lib/ld-musl-powerpc" MUSL_DYNAMIC_LINKER_E "%{msoft-float:-sf}.so.1"
+#undef MUSL_DYNAMIC_LINKER64
#define MUSL_DYNAMIC_LINKER64 \
"/lib/ld-musl-powerpc64" MUSL_DYNAMIC_LINKER_E "%{msoft-float:-sf}.so.1"
-#define UCLIBC_DYNAMIC_LINKER32 "/lib/ld-uClibc.so.0"
-#define UCLIBC_DYNAMIC_LINKER64 "/lib/ld64-uClibc.so.0"
-#if DEFAULT_LIBC == LIBC_UCLIBC
-#define CHOOSE_DYNAMIC_LINKER(G, U, M) \
- "%{mglibc:" G ";:%{mmusl:" M ";:" U "}}"
-#elif DEFAULT_LIBC == LIBC_GLIBC
-#define CHOOSE_DYNAMIC_LINKER(G, U, M) \
- "%{muclibc:" U ";:%{mmusl:" M ";:" G "}}"
-#elif DEFAULT_LIBC == LIBC_MUSL
-#define CHOOSE_DYNAMIC_LINKER(G, U, M) \
- "%{mglibc:" G ";:%{muclibc:" U ";:" M "}}"
-#else
-#error "Unsupported DEFAULT_LIBC"
-#endif
-#define GNU_USER_DYNAMIC_LINKER32 \
- CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER32, \
- MUSL_DYNAMIC_LINKER32)
-#define GNU_USER_DYNAMIC_LINKER64 \
- CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER64, \
- MUSL_DYNAMIC_LINKER64)
-
#undef DEFAULT_ASM_ENDIAN
#if (TARGET_DEFAULT & MASK_LITTLE_ENDIAN)
#define DEFAULT_ASM_ENDIAN " -mlittle"
#endif
#define LINK_OS_LINUX_SPEC32 LINK_OS_LINUX_EMUL32 " %{!shared: %{!static: \
- %{rdynamic:-export-dynamic} \
- -dynamic-linker " GNU_USER_DYNAMIC_LINKER32 "}} \
+ %{!static-pie: \
+ %{rdynamic:-export-dynamic} \
+ -dynamic-linker " GNU_USER_DYNAMIC_LINKER32 "}}} \
%(link_os_extra_spec32)"
#define LINK_OS_LINUX_SPEC64 LINK_OS_LINUX_EMUL64 " %{!shared: %{!static: \
- %{rdynamic:-export-dynamic} \
- -dynamic-linker " GNU_USER_DYNAMIC_LINKER64 "}} \
+ %{!static-pie: \
+ %{rdynamic:-export-dynamic} \
+ -dynamic-linker " GNU_USER_DYNAMIC_LINKER64 "}}} \
%(link_os_extra_spec64)"
+/* Use gnu-user.h LINK_GCC_SEQUENCE_SPEC for linux. */
+#undef LINK_GCC_C_SEQUENCE_SPEC
+#define LINK_GCC_C_SEQUENCE_SPEC \
+ "%{mads|myellowknife|mmvme|msim:%G %L %G;" \
+ "!mcall-*|mcall-linux:" GNU_USER_TARGET_LINK_GCC_C_SEQUENCE_SPEC ";" \
+ ":%G %L %G}"
+
#undef TOC_SECTION_ASM_OP
#define TOC_SECTION_ASM_OP \
(TARGET_64BIT \
we also do this for floating-point constants. We actually can only
do this if the FP formats of the target and host machines are the
same, but we can't check that since not every file that uses
- the macros includes real.h. We also do this when we can write the
- entry into the TOC and the entry is not larger than a TOC entry. */
+ the macros includes real.h. We also do this when we can write an
+ integer into the TOC and the entry is not larger than a TOC entry,
+ but not for -mcmodel=medium where we'll use a toc-relative load for
+ constants outside the TOC. */
#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) \
+ && TARGET_CMODEL != CMODEL_MEDIUM \
&& GET_MODE_BITSIZE (MODE) <= GET_MODE_BITSIZE (Pmode)) \
- || (GET_CODE (X) == CONST_DOUBLE \
+ || (CONST_DOUBLE_P (X) \
&& ((TARGET_64BIT \
&& (TARGET_MINIMAL_TOC \
|| (SCALAR_FLOAT_MODE_P (GET_MODE (X)) \