Mercurial > hg > CbC > CbC_gcc
diff gcc/config/rs6000/sysv4.h @ 111:04ced10e8804
gcc 7
| author | kono |
|---|---|
| date | Fri, 27 Oct 2017 22:46:09 +0900 |
| parents | f6334be47118 |
| children | 84e7813d76e9 |
line wrap: on
line diff
--- a/gcc/config/rs6000/sysv4.h Sun Aug 21 07:07:55 2011 +0900 +++ b/gcc/config/rs6000/sysv4.h Fri Oct 27 22:46:09 2017 +0900 @@ -1,7 +1,5 @@ /* Target definitions for GNU compiler for PowerPC running System V.4 - Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, - 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 - Free Software Foundation, Inc. + Copyright (C) 1995-2017 Free Software Foundation, Inc. Contributed by Cygnus Support. This file is part of GCC. @@ -42,11 +40,10 @@ #undef ASM_DEFAULT_SPEC #define ASM_DEFAULT_SPEC "-mppc" -#define TARGET_TOC ((target_flags & MASK_64BIT) \ - || ((target_flags & (MASK_RELOCATABLE \ - | MASK_MINIMAL_TOC)) \ +#define TARGET_TOC (TARGET_64BIT \ + || (TARGET_MINIMAL_TOC \ && flag_pic > 1) \ - || DEFAULT_ABI == ABI_AIX) + || DEFAULT_ABI != ABI_V4) #define TARGET_BITFIELD_TYPE (! TARGET_NO_BITFIELD_TYPE) #define TARGET_BIG_ENDIAN (! TARGET_LITTLE_ENDIAN) @@ -79,27 +76,24 @@ else if (!strcmp (rs6000_abi_name, "sysv-noeabi")) \ { \ rs6000_current_abi = ABI_V4; \ - target_flags &= ~ MASK_EABI; \ + rs6000_isa_flags &= ~ OPTION_MASK_EABI; \ } \ else if (!strcmp (rs6000_abi_name, "sysv-eabi") \ || !strcmp (rs6000_abi_name, "eabi")) \ { \ rs6000_current_abi = ABI_V4; \ - target_flags |= MASK_EABI; \ + rs6000_isa_flags |= OPTION_MASK_EABI; \ } \ else if (!strcmp (rs6000_abi_name, "aixdesc")) \ rs6000_current_abi = ABI_AIX; \ - else if (!strcmp (rs6000_abi_name, "freebsd")) \ - rs6000_current_abi = ABI_V4; \ - else if (!strcmp (rs6000_abi_name, "linux")) \ + else if (!strcmp (rs6000_abi_name, "freebsd") \ + || !strcmp (rs6000_abi_name, "linux")) \ { \ if (TARGET_64BIT) \ rs6000_current_abi = ABI_AIX; \ else \ rs6000_current_abi = ABI_V4; \ } \ - else if (!strcmp (rs6000_abi_name, "gnu")) \ - rs6000_current_abi = ABI_V4; \ else if (!strcmp (rs6000_abi_name, "netbsd")) \ rs6000_current_abi = ABI_V4; \ else if (!strcmp (rs6000_abi_name, "openbsd")) \ @@ -107,14 +101,14 @@ else if (!strcmp (rs6000_abi_name, "i960-old")) \ { \ rs6000_current_abi = ABI_V4; \ - target_flags |= (MASK_LITTLE_ENDIAN | MASK_EABI); \ - target_flags &= ~MASK_STRICT_ALIGN; \ + rs6000_isa_flags |= (OPTION_MASK_LITTLE_ENDIAN | OPTION_MASK_EABI); \ + rs6000_isa_flags &= ~OPTION_MASK_STRICT_ALIGN; \ TARGET_NO_BITFIELD_WORD = 1; \ } \ else \ { \ rs6000_current_abi = ABI_V4; \ - error ("bad value for -mcall-%s", rs6000_abi_name); \ + error ("bad value for %<%s-%s%>", "-mcall", rs6000_abi_name); \ } \ \ if (rs6000_sdata_name) \ @@ -130,7 +124,7 @@ else if (!strcmp (rs6000_sdata_name, "eabi")) \ rs6000_sdata = SDATA_EABI; \ else \ - error ("bad value for -msdata=%s", rs6000_sdata_name); \ + error ("bad value for %<%s=%s%>", "-msdata", rs6000_sdata_name);\ } \ else if (DEFAULT_ABI == ABI_V4) \ { \ @@ -147,94 +141,94 @@ (rs6000_sdata == SDATA_EABI || rs6000_sdata == SDATA_SYSV)) \ { \ rs6000_sdata = SDATA_DATA; \ - error ("-mrelocatable and -msdata=%s are incompatible", \ - rs6000_sdata_name); \ + error ("%qs and %<%s=%s%> are incompatible", rs6000_sdata_name, \ + "-mrelocatable", "-msdata"); \ } \ \ - else if (flag_pic && DEFAULT_ABI != ABI_AIX \ + else if (flag_pic && DEFAULT_ABI == ABI_V4 \ && (rs6000_sdata == SDATA_EABI \ || rs6000_sdata == SDATA_SYSV)) \ { \ rs6000_sdata = SDATA_DATA; \ - error ("-f%s and -msdata=%s are incompatible", \ + error ("%<-f%s%> and %<%s=%s%> are incompatible", \ (flag_pic > 1) ? "PIC" : "pic", \ - rs6000_sdata_name); \ + "-msdata", rs6000_sdata_name); \ } \ \ if ((rs6000_sdata != SDATA_NONE && DEFAULT_ABI != ABI_V4) \ || (rs6000_sdata == SDATA_EABI && !TARGET_EABI)) \ { \ rs6000_sdata = SDATA_NONE; \ - error ("-msdata=%s and -mcall-%s are incompatible", \ - rs6000_sdata_name, rs6000_abi_name); \ + error ("%<%s=%s%> and %<%s-%s%> are incompatible", \ + "-msdata", rs6000_sdata_name, "-mcall", rs6000_abi_name); \ } \ \ targetm.have_srodata_section = rs6000_sdata == SDATA_EABI; \ \ if (TARGET_RELOCATABLE && !TARGET_MINIMAL_TOC) \ { \ - target_flags |= MASK_MINIMAL_TOC; \ - error ("-mrelocatable and -mno-minimal-toc are incompatible"); \ - } \ - \ - if (TARGET_RELOCATABLE && rs6000_current_abi == ABI_AIX) \ - { \ - target_flags &= ~MASK_RELOCATABLE; \ - error ("-mrelocatable and -mcall-%s are incompatible", \ - rs6000_abi_name); \ + rs6000_isa_flags |= OPTION_MASK_MINIMAL_TOC; \ + error ("%qs and %qs are incompatible", "-mrelocatable", \ + "-mno-minimal-toc"); \ } \ \ - if (!TARGET_64BIT && flag_pic > 1 && rs6000_current_abi == ABI_AIX) \ + if (TARGET_RELOCATABLE && rs6000_current_abi != ABI_V4) \ + { \ + rs6000_isa_flags &= ~OPTION_MASK_RELOCATABLE; \ + error ("%qs and %<%s-%s%> are incompatible", \ + "-mrelocatable", "-mcall", rs6000_abi_name); \ + } \ + \ + if (!TARGET_64BIT && flag_pic > 1 && rs6000_current_abi != ABI_V4) \ { \ flag_pic = 0; \ - error ("-fPIC and -mcall-%s are incompatible", \ - rs6000_abi_name); \ - } \ - \ - if (rs6000_current_abi == ABI_AIX && TARGET_LITTLE_ENDIAN) \ - { \ - target_flags &= ~MASK_LITTLE_ENDIAN; \ - error ("-mcall-aixdesc must be big endian"); \ + error ("%qs and %<%s-%s%> are incompatible", \ + "-fPIC", "-mcall", rs6000_abi_name); \ } \ \ if (TARGET_SECURE_PLT != secure_plt) \ { \ - error ("-msecure-plt not supported by your assembler"); \ + error ("%qs not supported by your assembler", "-msecure-plt"); \ } \ \ - /* Treat -fPIC the same as -mrelocatable. */ \ - if (flag_pic > 1 && DEFAULT_ABI != ABI_AIX) \ + if (flag_pic > 1 && DEFAULT_ABI == ABI_V4) \ { \ - target_flags |= MASK_RELOCATABLE | MASK_MINIMAL_TOC; \ + /* Note: flag_pic should not change any option flags that would \ + be invalid with or pessimise -fno-PIC code. LTO turns off \ + flag_pic when linking/recompiling a fixed position executable. \ + However, if the objects were originally compiled with -fPIC, \ + then other target options forced on here by -fPIC are restored \ + when recompiling those objects without -fPIC. In particular \ + TARGET_RELOCATABLE must not be enabled here by flag_pic. */ \ + rs6000_isa_flags |= OPTION_MASK_MINIMAL_TOC; \ TARGET_NO_FP_IN_TOC = 1; \ } \ \ - else if (TARGET_RELOCATABLE) \ - if (!flag_pic) \ - flag_pic = 2; \ + if (TARGET_RELOCATABLE) \ + { \ + if (!flag_pic) \ + flag_pic = 2; \ + TARGET_NO_FP_IN_TOC = 1; \ + } \ } while (0) #ifndef RS6000_BI_ARCH # define SUBSUBTARGET_OVERRIDE_OPTIONS \ do { \ - if ((TARGET_DEFAULT ^ target_flags) & MASK_64BIT) \ - error ("-m%s not supported in this configuration", \ - (target_flags & MASK_64BIT) ? "64" : "32"); \ + if ((TARGET_DEFAULT ^ rs6000_isa_flags) & OPTION_MASK_64BIT) \ + error ("%<-m%s%> not supported in this configuration", \ + (rs6000_isa_flags & OPTION_MASK_64BIT) ? "64" : "32"); \ } while (0) #endif /* Override rs6000.h definition. */ #undef TARGET_DEFAULT -#define TARGET_DEFAULT (MASK_POWERPC | MASK_NEW_MNEMONICS) +#define TARGET_DEFAULT 0 /* Override rs6000.h definition. */ #undef PROCESSOR_DEFAULT #define PROCESSOR_DEFAULT PROCESSOR_PPC750 -/* SVR4 only defined for PowerPC, so short-circuit POWER patterns. */ -#undef TARGET_POWER -#define TARGET_POWER 0 - #define FIXED_R2 1 /* System V.4 uses register 13 as a pointer to the small data area, so it is not available to the normal user. */ @@ -246,16 +240,6 @@ #define BYTES_BIG_ENDIAN (TARGET_BIG_ENDIAN) #define WORDS_BIG_ENDIAN (TARGET_BIG_ENDIAN) -/* Define cutoff for using external functions to save floating point. - When optimizing for size, use external functions when profitable. */ -#define FP_SAVE_INLINE(FIRST_REG) (optimize_size \ - ? ((FIRST_REG) == 62 \ - || (FIRST_REG) == 63) \ - : (FIRST_REG) < 64) -/* And similarly for general purpose registers. */ -#define GP_SAVE_INLINE(FIRST_REG) ((FIRST_REG) < 32 \ - && !optimize_size) - /* Put jump tables in read-only memory, rather than in .text. */ #define JUMP_TABLES_IN_TEXT_SECTION 0 @@ -315,8 +299,8 @@ /* An expression for the alignment of a structure field FIELD if the alignment computed in the usual way is COMPUTED. */ -#define ADJUST_FIELD_ALIGN(FIELD, COMPUTED) \ - ((TARGET_ALTIVEC && TREE_CODE (TREE_TYPE (FIELD)) == VECTOR_TYPE) \ +#define ADJUST_FIELD_ALIGN(FIELD, TYPE, COMPUTED) \ + (rs6000_special_adjust_field_align_p ((TYPE), (COMPUTED)) \ ? 128 : COMPUTED) #undef BIGGEST_FIELD_ALIGNMENT @@ -341,8 +325,7 @@ /* Put PC relative got entries in .got2. */ #define MINIMAL_TOC_SECTION_ASM_OP \ - (TARGET_RELOCATABLE || (flag_pic && DEFAULT_ABI != ABI_AIX) \ - ? "\t.section\t\".got2\",\"aw\"" : "\t.section\t\".got1\",\"aw\"") + (flag_pic ? "\t.section\t\".got2\",\"aw\"" : "\t.section\t\".got1\",\"aw\"") #define SDATA_SECTION_ASM_OP "\t.section\t\".sdata\",\"aw\"" #define SDATA2_SECTION_ASM_OP "\t.section\t\".sdata2\",\"a\"" @@ -376,7 +359,6 @@ || (GET_CODE (X) == CONST_INT \ && GET_MODE_BITSIZE (MODE) <= GET_MODE_BITSIZE (Pmode)) \ || (!TARGET_NO_FP_IN_TOC \ - && !TARGET_RELOCATABLE \ && GET_CODE (X) == CONST_DOUBLE \ && SCALAR_FLOAT_MODE_P (GET_MODE (X)) \ && BITS_PER_WORD == HOST_BITS_PER_INT))) @@ -432,7 +414,7 @@ { \ fprintf (FILE, "%s", LCOMM_ASM_OP); \ assemble_name ((FILE), (NAME)); \ - fprintf ((FILE), ","HOST_WIDE_INT_PRINT_UNSIGNED",%u\n", \ + fprintf ((FILE), "," HOST_WIDE_INT_PRINT_UNSIGNED",%u\n", \ (SIZE), (ALIGN) / BITS_PER_UNIT); \ } \ ASM_OUTPUT_TYPE_DIRECTIVE (FILE, NAME, "object"); \ @@ -469,7 +451,7 @@ do { \ if (DEFAULT_ABI == ABI_V4) \ asm_fprintf (FILE, \ - "\t{stu|stwu} %s,-16(%s)\n\t{st|stw} %s,12(%s)\n", \ + "\tstwu %s,-16(%s)\n\tstw %s,12(%s)\n", \ reg_names[1], reg_names[1], reg_names[REGNO], \ reg_names[1]); \ } while (0) @@ -481,7 +463,7 @@ do { \ if (DEFAULT_ABI == ABI_V4) \ asm_fprintf (FILE, \ - "\t{l|lwz} %s,12(%s)\n\t{ai|addic} %s,%s,16\n", \ + "\tlwz %s,12(%s)\n\taddi %s,%s,16\n", \ reg_names[REGNO], reg_names[1], reg_names[1], \ reg_names[1]); \ } while (0) @@ -515,16 +497,12 @@ #define DBX_FUNCTION_FIRST /* This is the end of what might become sysv4dbx.h. */ - -#ifndef TARGET_VERSION -#define TARGET_VERSION fprintf (stderr, " (PowerPC System V.4)"); -#endif #define TARGET_OS_SYSV_CPP_BUILTINS() \ do \ { \ - if (target_flags_explicit \ - & MASK_RELOCATABLE) \ + if (rs6000_isa_flags_explicit \ + & OPTION_MASK_RELOCATABLE) \ builtin_define ("_RELOCATABLE"); \ } \ while (0) @@ -545,55 +523,39 @@ while (0) #endif +/* Select one of BIG_OPT, LITTLE_OPT or DEFAULT_OPT depending + on various -mbig, -mlittle and -mcall- options. */ +#define ENDIAN_SELECT(BIG_OPT, LITTLE_OPT, DEFAULT_OPT) \ +"%{mlittle|mlittle-endian:" LITTLE_OPT ";" \ + "mbig|mbig-endian:" BIG_OPT ";" \ + "mcall-i960-old:" LITTLE_OPT ";" \ + ":" DEFAULT_OPT "}" + +#define DEFAULT_ASM_ENDIAN " -mbig" + #undef ASM_SPEC #define ASM_SPEC "%(asm_cpu) \ %{,assembler|,assembler-with-cpp: %{mregnames} %{mno-regnames}} \ -%{mrelocatable} %{mrelocatable-lib} %{fpic|fpie|fPIC|fPIE:-K PIC} \ -%{memb|msdata=eabi: -memb} \ -%{mlittle|mlittle-endian:-mlittle; \ - mbig|mbig-endian :-mbig; \ - mcall-aixdesc | \ - mcall-freebsd | \ - mcall-netbsd | \ - mcall-openbsd | \ - mcall-linux | \ - mcall-gnu :-mbig; \ - mcall-i960-old :-mlittle}" - -#define CC1_ENDIAN_BIG_SPEC "" - -#define CC1_ENDIAN_LITTLE_SPEC "\ -%{!mstrict-align: %{!mno-strict-align: \ - %{!mcall-i960-old: \ - -mstrict-align \ - } \ -}}" - -#define CC1_ENDIAN_DEFAULT_SPEC "%(cc1_endian_big)" +%{mrelocatable} %{mrelocatable-lib} %{" FPIE_OR_FPIC_SPEC ":-K PIC} \ +%{memb|msdata=eabi: -memb}" \ +ENDIAN_SELECT(" -mbig", " -mlittle", DEFAULT_ASM_ENDIAN) #ifndef CC1_SECURE_PLT_DEFAULT_SPEC #define CC1_SECURE_PLT_DEFAULT_SPEC "" #endif +#ifndef LINK_SECURE_PLT_DEFAULT_SPEC +#define LINK_SECURE_PLT_DEFAULT_SPEC "" +#endif -/* Pass -G xxx to the compiler and set correct endian mode. */ -#define CC1_SPEC "%{G*} %(cc1_cpu) \ -%{mlittle|mlittle-endian: %(cc1_endian_little); \ - mbig |mbig-endian : %(cc1_endian_big); \ - mcall-aixdesc | \ - mcall-freebsd | \ - mcall-netbsd | \ - mcall-openbsd | \ - mcall-linux | \ - mcall-gnu : -mbig %(cc1_endian_big); \ - mcall-i960-old : -mlittle %(cc1_endian_little); \ - : %(cc1_endian_default)} \ -%{meabi: %{!mcall-*: -mcall-sysv }} \ +/* Pass -G xxx to the compiler. */ +#undef CC1_SPEC +#define CC1_SPEC "%{G*} %(cc1_cpu)" \ +"%{meabi: %{!mcall-*: -mcall-sysv }} \ %{!meabi: %{!mno-eabi: \ %{mrelocatable: -meabi } \ %{mcall-freebsd: -mno-eabi } \ %{mcall-i960-old: -meabi } \ %{mcall-linux: -mno-eabi } \ - %{mcall-gnu: -mno-eabi } \ %{mcall-netbsd: -mno-eabi } \ %{mcall-openbsd: -mno-eabi }}} \ %{msdata: -msdata=default} \ @@ -609,12 +571,12 @@ msim : %(link_start_sim) ; \ mcall-freebsd: %(link_start_freebsd) ; \ mcall-linux : %(link_start_linux) ; \ - mcall-gnu : %(link_start_gnu) ; \ mcall-netbsd : %(link_start_netbsd) ; \ mcall-openbsd: %(link_start_openbsd) ; \ : %(link_start_default) }" #define LINK_START_DEFAULT_SPEC "" +#define LINK_SECURE_PLT_SPEC LINK_SECURE_PLT_DEFAULT_SPEC #undef LINK_SPEC #define LINK_SPEC "\ @@ -622,7 +584,7 @@ %{R*} \ %(link_shlib) \ %{!T*: %(link_start) } \ -%(link_target) \ +%{!static: %{!mbss-plt: %(link_secure_plt)}} \ %(link_os)" /* Shared libraries are not default. */ @@ -632,13 +594,6 @@ %{shared:-G -dy -z text } \ %{symbolic:-Bsymbolic -G -dy -z text }" -/* Override the default target of the linker. */ -#define LINK_TARGET_SPEC "\ -%{mlittle: --oformat elf32-powerpcle } %{mlittle-endian: --oformat elf32-powerpcle } \ -%{!mlittle: %{!mlittle-endian: %{!mbig: %{!mbig-endian: \ - %{mcall-i960-old: --oformat elf32-powerpcle} \ - }}}}" - /* Any specific OS flags. */ #define LINK_OS_SPEC "\ %{mads : %(link_os_ads) ; \ @@ -647,7 +602,6 @@ msim : %(link_os_sim) ; \ mcall-freebsd: %(link_os_freebsd) ; \ mcall-linux : %(link_os_linux) ; \ - mcall-gnu : %(link_os_gnu) ; \ mcall-netbsd : %(link_os_netbsd) ; \ mcall-openbsd: %(link_os_openbsd) ; \ : %(link_os_default) }" @@ -666,7 +620,6 @@ msim : %(cpp_os_sim) ; \ mcall-freebsd: %(cpp_os_freebsd) ; \ mcall-linux : %(cpp_os_linux) ; \ - mcall-gnu : %(cpp_os_gnu) ; \ mcall-netbsd : %(cpp_os_netbsd) ; \ mcall-openbsd: %(cpp_os_openbsd) ; \ : %(cpp_os_default) }" @@ -681,7 +634,6 @@ msim : %(startfile_sim) ; \ mcall-freebsd: %(startfile_freebsd) ; \ mcall-linux : %(startfile_linux) ; \ - mcall-gnu : %(startfile_gnu) ; \ mcall-netbsd : %(startfile_netbsd) ; \ mcall-openbsd: %(startfile_openbsd) ; \ : %(startfile_default) }" @@ -696,7 +648,6 @@ msim : %(lib_sim) ; \ mcall-freebsd: %(lib_freebsd) ; \ mcall-linux : %(lib_linux) ; \ - mcall-gnu : %(lib_gnu) ; \ mcall-netbsd : %(lib_netbsd) ; \ mcall-openbsd: %(lib_openbsd) ; \ : %(lib_default) }" @@ -711,7 +662,6 @@ msim : %(endfile_sim) ; \ mcall-freebsd: %(endfile_freebsd) ; \ mcall-linux : %(endfile_linux) ; \ - mcall-gnu : %(endfile_gnu) ; \ mcall-netbsd : %(endfile_netbsd) ; \ mcall-openbsd: %(endfile_openbsd) ; \ : %(crtsavres_default) %(endfile_default) }" @@ -800,42 +750,73 @@ %{!mnewlib: %{pthread:-lpthread} %{shared:-lc} \ %{!shared: %{profile:-lc_p} %{!profile:-lc}}}" -#ifdef HAVE_LD_PIE -#define STARTFILE_LINUX_SPEC "\ -%{!shared: %{pg|p|profile:gcrt1.o%s;pie:Scrt1.o%s;:crt1.o%s}} \ -%{mnewlib:ecrti.o%s;:crti.o%s} \ -%{static:crtbeginT.o%s;shared|pie:crtbeginS.o%s;:crtbegin.o%s}" +#if ENABLE_OFFLOADING == 1 +#define CRTOFFLOADBEGIN "%{fopenacc|fopenmp:crtoffloadbegin%O%s}" +#define CRTOFFLOADEND "%{fopenacc|fopenmp:crtoffloadend%O%s}" #else -#define STARTFILE_LINUX_SPEC "\ -%{!shared: %{pg|p|profile:gcrt1.o%s;:crt1.o%s}} \ -%{mnewlib:ecrti.o%s;:crti.o%s} \ -%{static:crtbeginT.o%s;shared|pie:crtbeginS.o%s;:crtbegin.o%s}" +#define CRTOFFLOADBEGIN "" +#define CRTOFFLOADEND "" #endif -#define ENDFILE_LINUX_SPEC "\ -%{shared|pie:crtendS.o%s;:crtend.o%s} \ -%{mnewlib:ecrtn.o%s;:crtn.o%s}" +/* 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; \ + static-pie|" PIE_SPEC ":Scrt1.o%s; \ + :crt1.o%s} \ + %{mnewlib:ecrti.o%s;:crti.o%s} \ + %{static:crtbeginT.o%s; \ + shared|static-pie|" 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|static-pie|" PIE_SPEC ":crtendS.o%s; \ + :crtend.o%s} \ + %{mnewlib:ecrtn.o%s;:crtn.o%s} \ + " CRTOFFLOADEND #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" +#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) "%{mglibc:" G ";:" U "}" +#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) "%{muclibc:" U ";:" G "}" +#define CHOOSE_DYNAMIC_LINKER(G, U, M) \ + "%{muclibc:" U ";:%{mmusl:" M ";:" G "}}" #else #error "Unsupported DEFAULT_LIBC" #endif -#define LINUX_DYNAMIC_LINKER \ - CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER) +#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 " LINUX_DYNAMIC_LINKER "}}" + -dynamic-linker " GNU_USER_DYNAMIC_LINKER "}}" #if defined(HAVE_LD_EH_FRAME_HDR) -# define LINK_EH_SPEC "%{!static:--eh-frame-hdr} " +# define LINK_EH_SPEC "%{!static|static-pie:--eh-frame-hdr} " #endif #define CPP_OS_LINUX_SPEC "-D__unix__ -D__gnu_linux__ -D__linux__ \ @@ -845,31 +826,6 @@ %{std=gnu*:-Dunix -D__unix -Dlinux -D__linux}}} \ -Asystem=linux -Asystem=unix -Asystem=posix %{pthread:-D_REENTRANT}" -/* GNU/Hurd support. */ -#define LIB_GNU_SPEC "%{mnewlib: --start-group -lgnu -lc --end-group } \ -%{!mnewlib: %{shared:-lc} %{!shared: %{pthread:-lpthread } \ -%{profile:-lc_p} %{!profile:-lc}}}" - -#define STARTFILE_GNU_SPEC "\ -%{!shared: %{!static: %{pg:gcrt1.o%s} %{!pg:%{p:gcrt1.o%s} %{!p:crt1.o%s}}}} \ -%{static: %{pg:gcrt0.o%s} %{!pg:%{p:gcrt0.o%s} %{!p:crt0.o%s}}} \ -%{mnewlib: ecrti.o%s} %{!mnewlib: crti.o%s} \ -%{!shared:crtbegin.o%s} %{shared:crtbeginS.o%s}" - -#define ENDFILE_GNU_SPEC "%{!shared:crtend.o%s} %{shared:crtendS.o%s} \ -%{mnewlib: ecrtn.o%s} %{!mnewlib: crtn.o%s}" - -#define LINK_START_GNU_SPEC "" - -#define LINK_OS_GNU_SPEC "-m elf32ppclinux %{!shared: %{!static: \ - %{rdynamic:-export-dynamic} \ - -dynamic-linker /lib/ld.so.1}}" - -#define CPP_OS_GNU_SPEC "-D__unix__ -D__gnu_hurd__ -D__GNU__ \ -%{!undef: \ - %{!ansi: -Dunix -D__unix}} \ --Asystem=gnu -Asystem=unix -Asystem=posix %{pthread:-D_REENTRANT}" - /* NetBSD support. */ #define LIB_NETBSD_SPEC "\ -lc" @@ -931,7 +887,6 @@ { "lib_mvme", LIB_MVME_SPEC }, \ { "lib_sim", LIB_SIM_SPEC }, \ { "lib_freebsd", LIB_FREEBSD_SPEC }, \ - { "lib_gnu", LIB_GNU_SPEC }, \ { "lib_linux", LIB_LINUX_SPEC }, \ { "lib_netbsd", LIB_NETBSD_SPEC }, \ { "lib_openbsd", LIB_OPENBSD_SPEC }, \ @@ -941,7 +896,6 @@ { "startfile_mvme", STARTFILE_MVME_SPEC }, \ { "startfile_sim", STARTFILE_SIM_SPEC }, \ { "startfile_freebsd", STARTFILE_FREEBSD_SPEC }, \ - { "startfile_gnu", STARTFILE_GNU_SPEC }, \ { "startfile_linux", STARTFILE_LINUX_SPEC }, \ { "startfile_netbsd", STARTFILE_NETBSD_SPEC }, \ { "startfile_openbsd", STARTFILE_OPENBSD_SPEC }, \ @@ -951,20 +905,17 @@ { "endfile_mvme", ENDFILE_MVME_SPEC }, \ { "endfile_sim", ENDFILE_SIM_SPEC }, \ { "endfile_freebsd", ENDFILE_FREEBSD_SPEC }, \ - { "endfile_gnu", ENDFILE_GNU_SPEC }, \ { "endfile_linux", ENDFILE_LINUX_SPEC }, \ { "endfile_netbsd", ENDFILE_NETBSD_SPEC }, \ { "endfile_openbsd", ENDFILE_OPENBSD_SPEC }, \ { "endfile_default", ENDFILE_DEFAULT_SPEC }, \ { "link_shlib", LINK_SHLIB_SPEC }, \ - { "link_target", LINK_TARGET_SPEC }, \ { "link_start", LINK_START_SPEC }, \ { "link_start_ads", LINK_START_ADS_SPEC }, \ { "link_start_yellowknife", LINK_START_YELLOWKNIFE_SPEC }, \ { "link_start_mvme", LINK_START_MVME_SPEC }, \ { "link_start_sim", LINK_START_SIM_SPEC }, \ { "link_start_freebsd", LINK_START_FREEBSD_SPEC }, \ - { "link_start_gnu", LINK_START_GNU_SPEC }, \ { "link_start_linux", LINK_START_LINUX_SPEC }, \ { "link_start_netbsd", LINK_START_NETBSD_SPEC }, \ { "link_start_openbsd", LINK_START_OPENBSD_SPEC }, \ @@ -976,20 +927,16 @@ { "link_os_sim", LINK_OS_SIM_SPEC }, \ { "link_os_freebsd", LINK_OS_FREEBSD_SPEC }, \ { "link_os_linux", LINK_OS_LINUX_SPEC }, \ - { "link_os_gnu", LINK_OS_GNU_SPEC }, \ { "link_os_netbsd", LINK_OS_NETBSD_SPEC }, \ { "link_os_openbsd", LINK_OS_OPENBSD_SPEC }, \ { "link_os_default", LINK_OS_DEFAULT_SPEC }, \ - { "cc1_endian_big", CC1_ENDIAN_BIG_SPEC }, \ - { "cc1_endian_little", CC1_ENDIAN_LITTLE_SPEC }, \ - { "cc1_endian_default", CC1_ENDIAN_DEFAULT_SPEC }, \ { "cc1_secure_plt_default", CC1_SECURE_PLT_DEFAULT_SPEC }, \ + { "link_secure_plt", LINK_SECURE_PLT_SPEC }, \ { "cpp_os_ads", CPP_OS_ADS_SPEC }, \ { "cpp_os_yellowknife", CPP_OS_YELLOWKNIFE_SPEC }, \ { "cpp_os_mvme", CPP_OS_MVME_SPEC }, \ { "cpp_os_sim", CPP_OS_SIM_SPEC }, \ { "cpp_os_freebsd", CPP_OS_FREEBSD_SPEC }, \ - { "cpp_os_gnu", CPP_OS_GNU_SPEC }, \ { "cpp_os_linux", CPP_OS_LINUX_SPEC }, \ { "cpp_os_netbsd", CPP_OS_NETBSD_SPEC }, \ { "cpp_os_openbsd", CPP_OS_OPENBSD_SPEC }, \ @@ -1021,9 +968,10 @@ /* Select a format to encode pointers in exception handling data. CODE is 0 for data, 1 for code labels, 2 for function pointers. GLOBAL is true if the symbol may be affected by dynamic relocations. */ -#define ASM_PREFERRED_EH_DATA_FORMAT(CODE,GLOBAL) \ - ((flag_pic || TARGET_RELOCATABLE) \ - ? (((GLOBAL) ? DW_EH_PE_indirect : 0) | DW_EH_PE_pcrel | DW_EH_PE_sdata4) \ +#define ASM_PREFERRED_EH_DATA_FORMAT(CODE, GLOBAL) \ + (flag_pic \ + ? (((GLOBAL) ? DW_EH_PE_indirect : 0) | DW_EH_PE_pcrel \ + | DW_EH_PE_sdata4) \ : DW_EH_PE_absptr) #define DOUBLE_INT_ASM_OP "\t.quad\t" @@ -1033,7 +981,79 @@ #define TARGET_ASM_FILE_END rs6000_elf_file_end +#undef TARGET_ASAN_SHADOW_OFFSET +#define TARGET_ASAN_SHADOW_OFFSET rs6000_asan_shadow_offset + /* This target uses the sysv4.opt file. */ #define TARGET_USES_SYSV4_OPT 1 -#undef DBX_REGISTER_NUMBER +/* Include order changes for musl, same as in generic linux.h. */ +#if DEFAULT_LIBC == LIBC_MUSL +#define INCLUDE_DEFAULTS_MUSL_GPP \ + { GPLUSPLUS_INCLUDE_DIR, "G++", 1, 1, \ + GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT, 0 }, \ + { GPLUSPLUS_TOOL_INCLUDE_DIR, "G++", 1, 1, \ + GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT, 1 }, \ + { GPLUSPLUS_BACKWARD_INCLUDE_DIR, "G++", 1, 1, \ + GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT, 0 }, + +#ifdef LOCAL_INCLUDE_DIR +#define INCLUDE_DEFAULTS_MUSL_LOCAL \ + { LOCAL_INCLUDE_DIR, 0, 0, 1, 1, 2 }, \ + { LOCAL_INCLUDE_DIR, 0, 0, 1, 1, 0 }, +#else +#define INCLUDE_DEFAULTS_MUSL_LOCAL +#endif + +#ifdef PREFIX_INCLUDE_DIR +#define INCLUDE_DEFAULTS_MUSL_PREFIX \ + { PREFIX_INCLUDE_DIR, 0, 0, 1, 0, 0}, +#else +#define INCLUDE_DEFAULTS_MUSL_PREFIX +#endif + +#ifdef CROSS_INCLUDE_DIR +#define INCLUDE_DEFAULTS_MUSL_CROSS \ + { CROSS_INCLUDE_DIR, "GCC", 0, 0, 0, 0}, +#else +#define INCLUDE_DEFAULTS_MUSL_CROSS +#endif + +#ifdef TOOL_INCLUDE_DIR +#define INCLUDE_DEFAULTS_MUSL_TOOL \ + { TOOL_INCLUDE_DIR, "BINUTILS", 0, 1, 0, 0}, +#else +#define INCLUDE_DEFAULTS_MUSL_TOOL +#endif + +#ifdef NATIVE_SYSTEM_HEADER_DIR +#define INCLUDE_DEFAULTS_MUSL_NATIVE \ + { NATIVE_SYSTEM_HEADER_DIR, 0, 0, 0, 1, 2 }, \ + { NATIVE_SYSTEM_HEADER_DIR, 0, 0, 0, 1, 0 }, +#else +#define INCLUDE_DEFAULTS_MUSL_NATIVE +#endif + +#if defined (CROSS_DIRECTORY_STRUCTURE) && !defined (TARGET_SYSTEM_ROOT) +# undef INCLUDE_DEFAULTS_MUSL_LOCAL +# define INCLUDE_DEFAULTS_MUSL_LOCAL +# undef INCLUDE_DEFAULTS_MUSL_NATIVE +# define INCLUDE_DEFAULTS_MUSL_NATIVE +#else +# undef INCLUDE_DEFAULTS_MUSL_CROSS +# define INCLUDE_DEFAULTS_MUSL_CROSS +#endif + +#undef INCLUDE_DEFAULTS +#define INCLUDE_DEFAULTS \ + { \ + INCLUDE_DEFAULTS_MUSL_GPP \ + INCLUDE_DEFAULTS_MUSL_LOCAL \ + INCLUDE_DEFAULTS_MUSL_PREFIX \ + INCLUDE_DEFAULTS_MUSL_CROSS \ + INCLUDE_DEFAULTS_MUSL_TOOL \ + INCLUDE_DEFAULTS_MUSL_NATIVE \ + { GCC_INCLUDE_DIR, "GCC", 0, 1, 0, 0 }, \ + { 0, 0, 0, 0, 0, 0 } \ + } +#endif