head 1.1; access; symbols; locks; strict; comment @ * @; 1.1 date 2026.07.20.08.02.51; author he; state Exp; branches; next ; commitid T3qBoQLspnpMLmOG; desc @@ 1.1 log @lang/gcc14: Add changes to make this build on NetBSD/macppc 11.0_RC6. This pulls over changes to config/rs6000/ and gcc/config.gcc from our in-tree gcc instance of gcc14, while preserving existing Homebrew- related changes to gcc/config.gcc. The most important fix is that on NetBSD/powerpc, -msecure-plt is enabled by default, so that resulting executables can be run with PAX_MPROTECT active. Otherwise, we end up with executables with sections which have both "write" and "execute" turned on, which PAX_MPROTECT rejects. Ref. the entries for .plt and .got sections in "readelf -a". Fixes PR#60439. Bump PKGREVISION for both gcc14 and gcc14-libs, to adhere to rules in comments, even though this *should* be a single-arch build fix, since I had to merge the patch to gcc/config.gcc. @ text @$NetBSD$ Carry over changes from in-tree gcc in an attempt at making this build on NetBSD/powerpc. --- gcc/config/rs6000/netbsd64.h.orig 2026-07-18 05:30:38.502894936 +0000 +++ gcc/config/rs6000/netbsd64.h 2026-07-18 16:48:10.498287125 +0000 @@@@ -0,0 +1,533 @@@@ +/* Definitions of target machine for GNU compiler, + for 64 bit PowerPC NetBSD. + Copyright (C) 2006-2023 Free Software Foundation, Inc. + Contributed by Matthew Green (mrg@@eterna.com.au). + + 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) any later version. + + 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 GCC; see the file COPYING. If not, write to the + Free Software Foundation, 51 Franklin Street, Fifth Floor, Boston, + MA 02110-1301, USA. */ + +/* Undef gnu-user.h macros we don't want. */ +#undef CPLUSPLUS_CPP_SPEC +#undef LINK_GCC_C_SEQUENCE_SPEC + +#ifndef RS6000_BI_ARCH + +#undef DEFAULT_ABI +#define DEFAULT_ABI ABI_AIX + +#undef TARGET_64BIT +#define TARGET_64BIT 1 + +#define DEFAULT_ARCH64_P 1 +#define RS6000_BI_ARCH_P 0 + +#else + +#define DEFAULT_ARCH64_P (TARGET_DEFAULT & MASK_64BIT) +#define RS6000_BI_ARCH_P 1 + +#endif + +#ifdef IN_LIBGCC2 +#undef TARGET_64BIT +#ifdef __powerpc64__ +#define TARGET_64BIT 1 +#else +#define TARGET_64BIT 0 +#endif +#endif + +#undef TARGET_AIX +#define TARGET_AIX TARGET_64BIT + +#ifdef HAVE_LD_NO_DOT_SYMS +/* New ABI uses a local sym for the function entry point. */ +extern int dot_symbols; +#undef DOT_SYMBOLS +#define DOT_SYMBOLS dot_symbols +#endif + +#define TARGET_PROFILE_KERNEL profile_kernel + +#define TARGET_USES_LINUX64_OPT 1 +#ifdef HAVE_LD_LARGE_TOC +#undef TARGET_CMODEL +#define TARGET_CMODEL rs6000_current_cmodel +#define SET_CMODEL(opt) rs6000_current_cmodel = opt +#else +#define SET_CMODEL(opt) do {} while (0) +#endif + +#undef PROCESSOR_DEFAULT +#define PROCESSOR_DEFAULT PROCESSOR_POWER4 +#undef PROCESSOR_DEFAULT64 +#define PROCESSOR_DEFAULT64 PROCESSOR_POWER4 + +/* We don't need to generate entries in .fixup, except when + -mrelocatable or -mrelocatable-lib is given. */ +#undef RELOCATABLE_NEEDS_FIXUP +#define RELOCATABLE_NEEDS_FIXUP \ + (rs6000_isa_flags & rs6000_isa_flags_explicit & OPTION_MASK_RELOCATABLE) + +#undef RS6000_ABI_NAME +#define RS6000_ABI_NAME "netbsd" + +#define INVALID_64BIT "-m%s not supported in this configuration" +#define INVALID_32BIT INVALID_64BIT + +#define ELFv2_ABI_CHECK (rs6000_elf_abi == 2) + +#undef SUBSUBTARGET_OVERRIDE_OPTIONS +#define SUBSUBTARGET_OVERRIDE_OPTIONS \ + do rs6000_linux64_override_options (); while (0) + +#undef ASM_DEFAULT_SPEC +#undef ASM_SPEC +#undef LINK_OS_NETBSD_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_NETBSD_SPEC "%(link_os_netbsd_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_NETBSD_SPEC "%{m32:%(link_os_netbsd_spec32)}%{!m32:%(link_os_netbsd_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_NETBSD_SPEC "%{!m64:%(link_os_netbsd_spec32)}%{m64:%(link_os_netbsd_spec64)}" +#define LINK_SECURE_PLT_SPEC "%{!m64: " LINK_SECURE_PLT_DEFAULT_SPEC "}" +#endif +#endif + +#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 SUBSUBTARGET_EXTRA_SPECS +#define SUBSUBTARGET_EXTRA_SPECS \ + { "asm_spec_common", ASM_SPEC_COMMON }, \ + { "asm_spec32", ASM_SPEC32 }, \ + { "asm_spec64", ASM_SPEC64 }, \ + { "link_os_netbsd_spec32", LINK_OS_NETBSD_SPEC32 }, \ + { "link_os_netbsd_spec64", LINK_OS_NETBSD_SPEC64 }, + +#undef MULTILIB_DEFAULTS +#if DEFAULT_ARCH64_P +#define MULTILIB_DEFAULTS { "m64" } +#else +#define MULTILIB_DEFAULTS { "m32" } +#endif + +#ifndef RS6000_BI_ARCH + +/* 64-bit PowerPC NetBSD is always big-endian. */ +#undef TARGET_LITTLE_ENDIAN +#define TARGET_LITTLE_ENDIAN 0 + +/* 64-bit PowerPC NetBSD always has a TOC. */ +#undef TARGET_TOC +#define TARGET_TOC 1 + +/* Some things from sysv4.h we don't do when 64 bit. */ +#undef TARGET_RELOCATABLE +#define TARGET_RELOCATABLE 0 +#undef TARGET_EABI +#define TARGET_EABI 0 +#undef TARGET_PROTOTYPE +#define TARGET_PROTOTYPE 0 +#undef RELOCATABLE_NEEDS_FIXUP +#define RELOCATABLE_NEEDS_FIXUP 0 + +#endif + +/* We use NetBSD libc _mcount for profiling. */ +#define NO_PROFILE_COUNTERS 1 +#define PROFILE_HOOK(LABEL) \ + do { if (TARGET_64BIT) output_profile_hook (LABEL); } while (0) + +/* PowerPC64 NetBSD word-aligns FP doubles when -malign-power is given. */ +#undef ADJUST_FIELD_ALIGN +#define ADJUST_FIELD_ALIGN(FIELD, TYPE, COMPUTED) \ + ((TARGET_64BIT \ + && TARGET_ALIGN_NATURAL == 0 \ + && TYPE_MODE (strip_array_types (TYPE)) == DFmode) \ + ? MIN ((COMPUTED), 32) \ + : (COMPUTED)) + +/* PowerPC64 NetBSD increases natural record alignment to doubleword if + the first field is an FP double, only if in power alignment mode. */ +#undef ROUND_TYPE_ALIGN +#define ROUND_TYPE_ALIGN(STRUCT, COMPUTED, SPECIFIED) \ + ((TARGET_64BIT \ + && (TREE_CODE (STRUCT) == RECORD_TYPE \ + || TREE_CODE (STRUCT) == UNION_TYPE \ + || TREE_CODE (STRUCT) == QUAL_UNION_TYPE) \ + && TARGET_ALIGN_NATURAL == 0) \ + ? rs6000_special_round_type_align (STRUCT, COMPUTED, SPECIFIED) \ + : MAX ((COMPUTED), (SPECIFIED))) + +/* Use the default for compiling target libs. */ +#ifdef IN_TARGET_LIBS +#undef TARGET_ALIGN_NATURAL +#define TARGET_ALIGN_NATURAL 1 +#endif + +/* Indicate that jump tables go in the text section. */ +#undef JUMP_TABLES_IN_TEXT_SECTION +#define JUMP_TABLES_IN_TEXT_SECTION TARGET_64BIT + +/* The linux ppc64 ABI isn't explicit on whether aggregates smaller + than a doubleword should be padded upward or downward. You could + reasonably assume that they follow the normal rules for structure + layout treating the parameter area as any other block of memory, + then map the reg param area to registers. i.e. pad upward. + Setting both of the following defines results in this behavior. + Setting just the first one will result in aggregates that fit in a + doubleword being padded downward, and others being padded upward. + Not a bad idea as this results in struct { int x; } being passed + the same way as an int. */ +#define AGGREGATE_PADDING_FIXED TARGET_64BIT +#define AGGREGATES_PAD_UPWARD_ALWAYS 0 + +/* Specify padding for the last element of a block move between + registers and memory. FIRST is nonzero if this is the only + element. */ +#define BLOCK_REG_PADDING(MODE, TYPE, FIRST) \ + (!(FIRST) ? PAD_UPWARD : targetm.calls.function_arg_padding (MODE, TYPE)) + +/* NetBSD doesn't support saving and restoring 64-bit regs in a 32-bit + process. */ +#define OS_MISSING_POWERPC64 (!TARGET_64BIT) + +#undef TARGET_OS_CPP_BUILTINS +#define TARGET_OS_CPP_BUILTINS() \ + do \ + { \ + NETBSD_OS_CPP_BUILTINS_ELF(); \ + builtin_define ("__PPC__"); \ + builtin_define ("__ppc__"); \ + builtin_define ("__powerpc__"); \ + if (TARGET_ISEL) \ + builtin_define ("__PPC_ISEL__"); \ + if (TARGET_64BIT) \ + { \ + builtin_define ("__arch64__"); \ + 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) + +/* Override the default from rs6000.h to avoid conflicts with macros + defined in NetBSD header files. */ + +#undef RS6000_CPU_CPP_ENDIAN_BUILTINS +#define RS6000_CPU_CPP_ENDIAN_BUILTINS() \ + do \ + { \ + builtin_define ("__BIG_ENDIAN__"); \ + builtin_assert ("machine=bigendian"); \ + } \ + while (0) + +#undef CC1_OS_NETBSD_SPEC +#define CC1_OS_NETBSD_SPEC \ + NETBSD_CC1_AND_CC1PLUS_SPEC \ + "%{!m32: %{!mrelocatable: %{!fno-pie: %{!fno-pic: \ + %{!fpie: %{!fpic: \ + %{!fPIE: %{!fPIC:-fPIC}}}}}}}}" +/* %{!m32: %{!mcmodel*: -mcmodel=medium}}" */ + +#undef CC1PLUS_SPEC +#define CC1PLUS_SPEC CC1_OS_NETBSD_SPEC + +#undef CPP_OS_DEFAULT_SPEC +#define CPP_OS_DEFAULT_SPEC "%(cpp_os_netbsd)" + +#undef LINK_SHLIB_SPEC +#define LINK_SHLIB_SPEC "%{shared:-shared} %{!shared: %{static:-static}}" + +#undef LIB_DEFAULT_SPEC +#define LIB_DEFAULT_SPEC "%(lib_netbsd)" + +#undef STARTFILE_DEFAULT_SPEC +#define STARTFILE_DEFAULT_SPEC "%(startfile_netbsd)" + +#undef ENDFILE_DEFAULT_SPEC +#define ENDFILE_DEFAULT_SPEC "%(endfile_netbsd)" + +#undef LINK_START_DEFAULT_SPEC +#define LINK_START_DEFAULT_SPEC "%(link_start_netbsd)" + +#undef LINK_OS_DEFAULT_SPEC +#define LINK_OS_DEFAULT_SPEC "%(link_os_netbsd)" + +#define LINK_OS_NETBSD_SPEC32 "-m elf32ppc %{!shared: %{!static: \ + %{rdynamic:-export-dynamic} \ + %{!dynamic-linker:-dynamic-linker /usr/libexec/ld.elf_so}}}" + +#define LINK_OS_NETBSD_SPEC64 "-m elf64ppc %{!shared: %{!static: \ + %{rdynamic:-export-dynamic} \ + %{!dynamic-linker:-dynamic-linker /usr/libexec/ld.elf_so}}}" + +/* Use standard DWARF numbering for DWARF debugging information. */ +#define RS6000_USE_DWARF_NUMBERING + +#undef TOC_SECTION_ASM_OP +#define TOC_SECTION_ASM_OP \ + (TARGET_64BIT \ + ? "\t.section\t\".toc\",\"aw\"" \ + : "\t.section\t\".got\",\"aw\"") + +#undef MINIMAL_TOC_SECTION_ASM_OP +#define MINIMAL_TOC_SECTION_ASM_OP \ + (TARGET_64BIT \ + ? "\t.section\t\".toc1\",\"aw\"" \ + : (flag_pic \ + ? "\t.section\t\".got2\",\"aw\"" \ + : "\t.section\t\".got1\",\"aw\"")) + +/* This is how to declare the size of a function. */ +#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) + +#undef ASM_OUTPUT_SPECIAL_POOL_ENTRY_P +#define ASM_OUTPUT_SPECIAL_POOL_ENTRY_P(X, MODE) \ + (TARGET_TOC \ + && (SYMBOL_REF_P (X) \ + || (GET_CODE (X) == CONST && GET_CODE (XEXP (X, 0)) == PLUS \ + && SYMBOL_REF_P (XEXP (XEXP (X, 0), 0))) \ + || GET_CODE (X) == LABEL_REF \ + || (CONST_INT_P (X) \ + && GET_MODE_BITSIZE (MODE) <= GET_MODE_BITSIZE (Pmode)) \ + || (CONST_DOUBLE_P (X) \ + && ((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))))) + +/* Make GCC agree with . */ + +#undef SIZE_TYPE +#define SIZE_TYPE (LONG_TYPE_SIZE == 64 ? "long unsigned int" : "unsigned int") + +#undef PTRDIFF_TYPE +#define PTRDIFF_TYPE (LONG_TYPE_SIZE == 64 ? "long int" : "int") + +#undef INTPTR_TYPE +#define INTPTR_TYPE PTRDIFF_TYPE + +#undef UINTPTR_TYPE +#define UINTPTR_TYPE SIZE_TYPE + +#undef WCHAR_TYPE +#define WCHAR_TYPE "int" + +#undef INT8_TYPE +#define INT8_TYPE "signed char" + +#undef INT16_TYPE +#define INT16_TYPE "short int" + +#undef INT32_TYPE +#define INT32_TYPE "int" + +#undef INT64_TYPE +#define INT64_TYPE (LONG_TYPE_SIZE == 64 ? "long int" : "long long int") + +#undef UINT8_TYPE +#define UINT8_TYPE "unsigned char" + +#undef UINT16_TYPE +#define UINT16_TYPE "short unsigned int" + +#undef UINT32_TYPE +#define UINT32_TYPE "unsigned int" + +#undef UINT64_TYPE +#define UINT64_TYPE (LONG_TYPE_SIZE == 64 ? "long unsigned int" : "long long unsigned int") + +#undef INT_FAST8_TYPE +#define INT_FAST8_TYPE "int" + +#undef INT_FAST16_TYPE +#define INT_FAST16_TYPE "int" + +#undef INT_FAST32_TYPE +#define INT_FAST32_TYPE "int" + +#undef INT_FAST64_TYPE +#define INT_FAST64_TYPE INT64_TYPE + +#undef UINT_FAST8_TYPE +#define UINT_FAST8_TYPE "unsigned int" + +#undef UINT_FAST16_TYPE +#define UINT_FAST16_TYPE "unsigned int" + +#undef UINT_FAST32_TYPE +#define UINT_FAST32_TYPE "unsigned int" + +#undef UINT_FAST8_TYPE +#define UINT_FAST8_TYPE "unsigned int" + +#undef UINT_FAST16_TYPE +#define UINT_FAST16_TYPE "unsigned int" + +#undef UINT_FAST32_TYPE +#define UINT_FAST32_TYPE "unsigned int" + +#undef UINT_FAST64_TYPE +#define UINT_FAST64_TYPE UINT64_TYPE + +#undef INT_LEAST8_TYPE +#define INT_LEAST8_TYPE INT8_TYPE + +#undef INT_LEAST16_TYPE +#define INT_LEAST16_TYPE INT16_TYPE + +#undef INT_LEAST32_TYPE +#define INT_LEAST32_TYPE "int" + +#undef INT_LEAST64_TYPE +#define INT_LEAST64_TYPE INT64_TYPE + +#undef UINT_LEAST8_TYPE +#define UINT_LEAST8_TYPE UINT8_TYPE + +#undef UINT_LEAST16_TYPE +#define UINT_LEAST16_TYPE UINT16_TYPE + +#undef UINT_LEAST32_TYPE +#define UINT_LEAST32_TYPE "unsigned int" + +#undef UINT_LEAST64_TYPE +#define UINT_LEAST64_TYPE UINT64_TYPE + +#undef INTMAX_TYPE +#define INTMAX_TYPE INT64_TYPE + +#undef UINTMAX_TYPE +#define UINTMAX_TYPE UINT64_TYPE + +#if 0 +/* Override rs6000.h definition. */ +#undef ASM_APP_ON +#define ASM_APP_ON "#APP\n" + +/* Override rs6000.h definition. */ +#undef ASM_APP_OFF +#define ASM_APP_OFF "#NO_APP\n" +#endif + +#undef RS6000_MCOUNT +#define RS6000_MCOUNT "_mcount" + +#ifdef __powerpc64__ +/* _init and _fini functions are built from bits spread across many + object files, each potentially with a different TOC pointer. For + that reason, place a nop after the call so that the linker can + restore the TOC pointer if a TOC adjusting call stub is needed. */ +#if DOT_SYMBOLS +#define CRT_CALL_STATIC_FUNCTION(SECTION_OP, FUNC) \ + asm (SECTION_OP "\n" \ +" bl ." #FUNC "\n" \ +" nop\n" \ +" .previous"); +#else +#define CRT_CALL_STATIC_FUNCTION(SECTION_OP, FUNC) \ + asm (SECTION_OP "\n" \ +" bl " #FUNC "\n" \ +" nop\n" \ +" .previous"); +#endif +#endif + +/* FP save and restore routines. */ +#undef SAVE_FP_PREFIX +#define SAVE_FP_PREFIX (TARGET_64BIT ? "._savef" : "_savefpr_") +#undef RESTORE_FP_PREFIX +#define RESTORE_FP_PREFIX (TARGET_64BIT ? "._restf" : "_restfpr_") + +/* For backward compatibility, we must continue to use the AIX + structure return convention. */ +#undef DRAFT_V4_STRUCT_RET +#define DRAFT_V4_STRUCT_RET (!TARGET_64BIT) + +/* Use --as-needed -lgcc_s for eh support. */ +#ifdef HAVE_LD_AS_NEEDED +#define USE_LD_AS_NEEDED 1 +#endif + +/* + * NetBSD ppc64 used to have 128-bit long double support. + * But it does not work anymore: + * (insn 23 22 24 5 (set (reg:CCFP 179) + * (compare:CCFP (reg/v:TF 171 [ a ]) + * (reg:TF 177))) + * "/usr/src/sys/external/bsd/compiler_rt/dist/lib/builtins/fixxfti.c":43 -1 + */ +#undef RS6000_DEFAULT_LONG_DOUBLE_SIZE +#define RS6000_DEFAULT_LONG_DOUBLE_SIZE 64 + +#define POWERPC_NETBSD + +/* The IEEE 128-bit emulator is only built on Linux systems. Flag that we + should enable the type handling for KFmode on VSX systems even if we are not + enabling the __float128 keyword. */ +#undef TARGET_FLOAT128_ENABLE_TYPE +#define TARGET_FLOAT128_ENABLE_TYPE 1 @