diff options
| -rw-r--r-- | gcc/ChangeLog | 52 | ||||
| -rw-r--r-- | gcc/config.gcc | 14 | ||||
| -rw-r--r-- | gcc/config/i386/gnu-user.h | 204 | ||||
| -rw-r--r-- | gcc/config/i386/gnu-user64.h | 118 | ||||
| -rw-r--r-- | gcc/config/i386/gnu.h | 4 | ||||
| -rw-r--r-- | gcc/config/i386/kfreebsd-gnu.h | 6 | ||||
| -rw-r--r-- | gcc/config/i386/linux.h | 187 | ||||
| -rw-r--r-- | gcc/config/i386/linux64.h | 95 | ||||
| -rw-r--r-- | gcc/config/kfreebsd-gnu.h | 8 | ||||
| -rw-r--r-- | gcc/config/knetbsd-gnu.h | 8 | ||||
| -rw-r--r-- | gcc/config/kopensolaris-gnu.h | 8 |
11 files changed, 399 insertions, 305 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 36ca4804b12..70dfcf8ba7c 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,55 @@ +2011-04-11 Joseph Myers <joseph@codesourcery.com> + + * config/i386/gnu-user.h: Copy from linux.h. Update comments. + (LINK_EMULATION, GLIBC_DYNAMIC_LINKER): Remove. + (SUBTARGET_EXTRA_SPECS): Use GNU_USER_LINK_EMULATION and + GNU_USER_DYNAMIC_LINKER. + (MD_UNWIND_SUPPORT, REG_NAME): Remove. + * config/i386/gnu-user64.h: Copy from linux64.h. Update comments. + (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64): Remove. + (LINK_SPEC): Use GNU_USER_DYNAMIC_LINKER32 and + GNU_USER_DYNAMIC_LINKER64. + (MD_UNWIND_SUPPORT, REG_NAME): Remove. + * config/i386/kfreebsd-gnu.h (LINK_EMULATION): Change to + GNU_USER_LINK_EMULATION. + * config/i386/linux.h (TARGET_ASM_FILE_START_FILE_DIRECTIVE, + DEFAULT_PCC_STRUCT_RETURN, TARGET_TLS_DIRECT_SEG_REFS_DEFAULT, + ASM_COMMENT_START, DBX_REGISTER_NUMBER, NO_PROFILE_COUNTERS, + MCOUNT_NAME, SUBTARGET_FRAME_POINTER_REQUIRED, SIZE_TYPE, + PTRDIFF_TYPE, WCHAR_TYPE, WCHAR_TYPE_SIZE, TARGET_OS_CPP_BUILTINS, + CPP_SPEC, CC1_SPEC): Remove. + (LINK_EMULATION): Change to GNU_USER_LINK_EMULATION. + (GNU_USER_DYNAMIC_LINKER): Define. + (ASM_SPEC, SUBTARGET_EXTRA_SPECS, LINK_SPEC, ENDFILE_SPEC, + ASM_OUTPUT_ALIGNED_BSS, ASM_OUTPUT_MAX_SKIP_ALIGN, + ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX, CRT_GET_RFIB_DATA, + LIBGCC2_HAS_TF_MODE, LIBGCC2_TF_CEXT, TF_SIZE, + TARGET_ASM_FILE_END, STACK_CHECK_MOVING_SP, + STACK_CHECK_STATIC_BUILTIN, TARGET_THREAD_SSP_OFFSET, + TARGET_CAN_SPLIT_STACK, TARGET_THREAD_SPLIT_STACK_OFFSET): Remove. + * config/i386/linux64.h (TARGET_OS_CPP_BUILTINS, CPP_SPEC, + CC1_SPEC, DEFAULT_PCC_STRUCT_RETURN, + TARGET_TLS_DIRECT_SEG_REFS_DEFAULT, SPEC_32, SPEC_64, ASM_SPEC, + LINK_SPEC, ENDFILE_SPEC, MULTILIB_DEFAULTS, LIBGCC2_HAS_TF_MODE, + LIBGCC2_TF_CEXT, TF_SIZE, TARGET_ASM_FILE_END): Remove. + (GNU_USER_DYNAMIC_LINKER32, GNU_USER_DYNAMIC_LINKER64): Define. + (STACK_CHECK_MOVING_SP, STACK_CHECK_STATIC_BUILTIN, + TARGET_THREAD_SSP_OFFSET, TARGET_CAN_SPLIT_STACK, + TARGET_THREAD_SPLIT_STACK_OFFSET): Remove. + * config/i386/gnu.h (GLIBC_DYNAMIC_LINKER): Change to + GNU_USER_DYNAMIC_LINKER. + * config/kfreebsd-gnu.h (GLIBC_DYNAMIC_LINKER): Change to + GNU_USER_DYNAMIC_LINKER. Unconditionally undefine and redefine. + * config/knetbsd-gnu.h (GLIBC_DYNAMIC_LINKER): Change to + GNU_USER_DYNAMIC_LINKER. Unconditionally undefine and redefine. + * config/kopensolaris-gnu.h (GLIBC_DYNAMIC_LINKER): Change to + GNU_USER_DYNAMIC_LINKER. Unconditionally undefine and redefine. + * config.gcc (i[34567]86-*-linux* | i[34567]86-*-kfreebsd*-gnu | + i[34567]86-*-knetbsd*-gnu | i[34567]86-*-gnu* | + i[34567]86-*-kopensolaris*-gnu, x86_64-*-linux* | + x86_64-*-kfreebsd*-gnu | x86_64-*-knetbsd*-gnu): Use the new + headers. + 2011-04-11 Kai Tietz <ktietz@redhat.com> PR target/9601 diff --git a/gcc/config.gcc b/gcc/config.gcc index 920349fd9f8..a95d46ee22d 100644 --- a/gcc/config.gcc +++ b/gcc/config.gcc @@ -1207,7 +1207,7 @@ i[34567]86-*-linux* | i[34567]86-*-kfreebsd*-gnu | i[34567]86-*-knetbsd*-gnu | i # Assume modern glibc default_gnu_indirect_function=yes if test x$enable_targets = xall; then - tm_file="${tm_file} i386/x86-64.h i386/linux64.h" + tm_file="${tm_file} i386/x86-64.h i386/gnu-user64.h i386/linux64.h" tm_defines="${tm_defines} TARGET_BI_ARCH=1" tmake_file="${tmake_file} i386/t-linux64" need_64bit_hwint=yes @@ -1227,19 +1227,19 @@ i[34567]86-*-linux* | i[34567]86-*-kfreebsd*-gnu | i[34567]86-*-knetbsd*-gnu | i ;; esac else - tm_file="${tm_file} i386/linux.h" + tm_file="${tm_file} i386/gnu-user.h i386/linux.h" fi ;; - i[34567]86-*-knetbsd*-gnu) tm_file="${tm_file} i386/linux.h knetbsd-gnu.h i386/knetbsd-gnu.h" ;; - i[34567]86-*-kfreebsd*-gnu) tm_file="${tm_file} i386/linux.h kfreebsd-gnu.h i386/kfreebsd-gnu.h" ;; - i[34567]86-*-kopensolaris*-gnu) tm_file="${tm_file} i386/linux.h kopensolaris-gnu.h i386/kopensolaris-gnu.h" ;; - i[34567]86-*-gnu*) tm_file="$tm_file i386/linux.h gnu.h i386/gnu.h";; + i[34567]86-*-knetbsd*-gnu) tm_file="${tm_file} i386/gnu-user.h i386/linux.h knetbsd-gnu.h i386/knetbsd-gnu.h" ;; + i[34567]86-*-kfreebsd*-gnu) tm_file="${tm_file} i386/gnu-user.h i386/linux.h kfreebsd-gnu.h i386/kfreebsd-gnu.h" ;; + i[34567]86-*-kopensolaris*-gnu) tm_file="${tm_file} i386/gnu-user.h i386/linux.h kopensolaris-gnu.h i386/kopensolaris-gnu.h" ;; + i[34567]86-*-gnu*) tm_file="$tm_file i386/gnu-user.h i386/linux.h gnu.h i386/gnu.h";; esac tmake_file="${tmake_file} i386/t-crtstuff i386/t-crtpc i386/t-crtfm t-dfprules" ;; x86_64-*-linux* | x86_64-*-kfreebsd*-gnu | x86_64-*-knetbsd*-gnu) tm_file="${tm_file} i386/unix.h i386/att.h dbxelf.h elfos.h gnu-user.h linux.h glibc-stdint.h \ - i386/x86-64.h i386/linux64.h" + i386/x86-64.h i386/gnu-user64.h i386/linux64.h" case ${target} in x86_64-*-linux*) default_gnu_indirect_function=glibc-2011 ;; diff --git a/gcc/config/i386/gnu-user.h b/gcc/config/i386/gnu-user.h new file mode 100644 index 00000000000..76a18acfe78 --- /dev/null +++ b/gcc/config/i386/gnu-user.h @@ -0,0 +1,204 @@ +/* Definitions for Intel 386 systems using GNU userspace. + Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2001, 2002, 2004, 2005, + 2006, 2007, 2008, 2009, 2010, 2011 Free Software Foundation, Inc. + Contributed by Eric Youngdale. + Modified for stabs-in-ELF by H.J. Lu. + +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 3, 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 COPYING3. If not see +<http://www.gnu.org/licenses/>. */ + +/* Output at beginning of assembler file. */ +/* The .file command should always begin the output. */ +#define TARGET_ASM_FILE_START_FILE_DIRECTIVE true + +/* The svr4 ABI for the i386 says that records and unions are returned + in memory. */ +#undef DEFAULT_PCC_STRUCT_RETURN +#define DEFAULT_PCC_STRUCT_RETURN 1 + +/* We arrange for the whole %gs segment to map the tls area. */ +#undef TARGET_TLS_DIRECT_SEG_REFS_DEFAULT +#define TARGET_TLS_DIRECT_SEG_REFS_DEFAULT MASK_TLS_DIRECT_SEG_REFS + +#undef ASM_COMMENT_START +#define ASM_COMMENT_START "#" + +#undef DBX_REGISTER_NUMBER +#define DBX_REGISTER_NUMBER(n) \ + (TARGET_64BIT ? dbx64_register_map[n] : svr4_dbx_register_map[n]) + +/* Output assembler code to FILE to call the profiler. + To the best of my knowledge, no GNU userspace libc has required the label + argument to mcount. */ + +#define NO_PROFILE_COUNTERS 1 + +#undef MCOUNT_NAME +#define MCOUNT_NAME "mcount" + +/* The GLIBC version of mcount for the x86 assumes that there is a + frame, so we cannot allow profiling without a frame pointer. */ + +#undef SUBTARGET_FRAME_POINTER_REQUIRED +#define SUBTARGET_FRAME_POINTER_REQUIRED crtl->profile + +#undef SIZE_TYPE +#define SIZE_TYPE "unsigned int" + +#undef PTRDIFF_TYPE +#define PTRDIFF_TYPE "int" + +#undef WCHAR_TYPE +#define WCHAR_TYPE "long int" + +#undef WCHAR_TYPE_SIZE +#define WCHAR_TYPE_SIZE BITS_PER_WORD + +#define TARGET_OS_CPP_BUILTINS() \ + do \ + { \ + LINUX_TARGET_OS_CPP_BUILTINS(); \ + } \ + while (0) + +#undef CPP_SPEC +#define CPP_SPEC "%{posix:-D_POSIX_SOURCE} %{pthread:-D_REENTRANT}" + +#undef CC1_SPEC +#define CC1_SPEC "%(cc1_cpu) %{profile:-p}" + +/* Provide a LINK_SPEC appropriate for GNU userspace. Here we provide support + for the special GCC options -static and -shared, which allow us to + link things in one of these three modes by applying the appropriate + combinations of options at link-time. + + When the -shared link option is used a final link is not being + done. */ + +#undef ASM_SPEC +#define ASM_SPEC \ + "--32 %{!mno-sse2avx:%{mavx:-msse2avx}} %{msse2avx:%{!mavx:-msse2avx}}" + +#undef SUBTARGET_EXTRA_SPECS +#define SUBTARGET_EXTRA_SPECS \ + { "link_emulation", GNU_USER_LINK_EMULATION },\ + { "dynamic_linker", GNU_USER_DYNAMIC_LINKER } + +#undef LINK_SPEC +#define LINK_SPEC "-m %(link_emulation) %{shared:-shared} \ + %{!shared: \ + %{!static: \ + %{rdynamic:-export-dynamic} \ + -dynamic-linker %(dynamic_linker)} \ + %{static:-static}}" + +/* Similar to standard GNU userspace, but adding -ffast-math support. */ +#undef ENDFILE_SPEC +#define ENDFILE_SPEC \ + "%{ffast-math|funsafe-math-optimizations:crtfastmath.o%s} \ + %{mpc32:crtprec32.o%s} \ + %{mpc64:crtprec64.o%s} \ + %{mpc80:crtprec80.o%s} \ + %{shared|pie:crtendS.o%s;:crtend.o%s} crtn.o%s" + +/* A C statement (sans semicolon) to output to the stdio stream + FILE the assembler definition of uninitialized global DECL named + NAME whose size is SIZE bytes and alignment is ALIGN bytes. + Try to use asm_output_aligned_bss to implement this macro. */ + +#define ASM_OUTPUT_ALIGNED_BSS(FILE, DECL, NAME, SIZE, ALIGN) \ + asm_output_aligned_bss (FILE, DECL, NAME, SIZE, ALIGN) + +/* A C statement to output to the stdio stream FILE an assembler + command to advance the location counter to a multiple of 1<<LOG + bytes if it is within MAX_SKIP bytes. + + This is used to align code labels according to Intel recommendations. */ + +#ifdef HAVE_GAS_MAX_SKIP_P2ALIGN +#define ASM_OUTPUT_MAX_SKIP_ALIGN(FILE,LOG,MAX_SKIP) \ + do { \ + if ((LOG) != 0) { \ + if ((MAX_SKIP) == 0) fprintf ((FILE), "\t.p2align %d\n", (LOG)); \ + else { \ + fprintf ((FILE), "\t.p2align %d,,%d\n", (LOG), (MAX_SKIP)); \ + /* Make sure that we have at least 8 byte alignment if > 8 byte \ + alignment is preferred. */ \ + if ((LOG) > 3 \ + && (1 << (LOG)) > ((MAX_SKIP) + 1) \ + && (MAX_SKIP) >= 7) \ + fputs ("\t.p2align 3\n", (FILE)); \ + } \ + } \ + } while (0) +#endif + +/* Handle special EH pointer encodings. Absolute, pc-relative, and + indirect are handled automatically. */ +#define ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX(FILE, ENCODING, SIZE, ADDR, DONE) \ + do { \ + if ((SIZE) == 4 && ((ENCODING) & 0x70) == DW_EH_PE_datarel) \ + { \ + fputs (ASM_LONG, FILE); \ + assemble_name (FILE, XSTR (ADDR, 0)); \ + fputs (((ENCODING) & DW_EH_PE_indirect ? "@GOT" : "@GOTOFF"), FILE); \ + goto DONE; \ + } \ + } while (0) + +/* Used by crtstuff.c to initialize the base of data-relative relocations. + These are GOT relative on x86, so return the pic register. */ +#ifdef __PIC__ +#define CRT_GET_RFIB_DATA(BASE) \ + { \ + register void *ebx_ __asm__("ebx"); \ + BASE = ebx_; \ + } +#else +#define CRT_GET_RFIB_DATA(BASE) \ + __asm__ ("call\t.LPR%=\n" \ + ".LPR%=:\n\t" \ + "pop{l}\t%0\n\t" \ + /* Due to a GAS bug, this cannot use EAX. That encodes \ + smaller than the traditional EBX, which results in the \ + offset being off by one. */ \ + "add{l}\t{$_GLOBAL_OFFSET_TABLE_+[.-.LPR%=],%0" \ + "|%0,_GLOBAL_OFFSET_TABLE_+(.-.LPR%=)}" \ + : "=d"(BASE)) +#endif + +/* Put all *tf routines in libgcc. */ +#undef LIBGCC2_HAS_TF_MODE +#define LIBGCC2_HAS_TF_MODE 1 +#define LIBGCC2_TF_CEXT q +#define TF_SIZE 113 + +#define TARGET_ASM_FILE_END file_end_indicate_exec_stack + +/* The stack pointer needs to be moved while checking the stack. */ +#define STACK_CHECK_MOVING_SP 1 + +/* Static stack checking is supported by means of probes. */ +#define STACK_CHECK_STATIC_BUILTIN 1 + +#ifdef TARGET_LIBC_PROVIDES_SSP +/* i386 glibc provides __stack_chk_guard in %gs:0x14. */ +#define TARGET_THREAD_SSP_OFFSET 0x14 + +/* We steal the last transactional memory word. */ +#define TARGET_CAN_SPLIT_STACK +#define TARGET_THREAD_SPLIT_STACK_OFFSET 0x30 +#endif diff --git a/gcc/config/i386/gnu-user64.h b/gcc/config/i386/gnu-user64.h new file mode 100644 index 00000000000..61481823faa --- /dev/null +++ b/gcc/config/i386/gnu-user64.h @@ -0,0 +1,118 @@ +/* Definitions for AMD x86-64 using GNU userspace. + Copyright (C) 2001, 2002, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 + Free Software Foundation, Inc. + Contributed by Jan Hubicka <jh@suse.cz>, based on linux.h. + +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 3, 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. + +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/>. */ + +#define TARGET_OS_CPP_BUILTINS() \ + do \ + { \ + LINUX_TARGET_OS_CPP_BUILTINS(); \ + } \ + while (0) + +#undef CPP_SPEC +#define CPP_SPEC "%{posix:-D_POSIX_SOURCE} %{pthread:-D_REENTRANT}" + +#undef CC1_SPEC +#define CC1_SPEC "%(cc1_cpu) %{profile:-p}" + +/* The svr4 ABI for the i386 says that records and unions are returned + in memory. In the 64bit compilation we will turn this flag off in + ix86_option_override_internal, as we never do pcc_struct_return + scheme on this target. */ +#undef DEFAULT_PCC_STRUCT_RETURN +#define DEFAULT_PCC_STRUCT_RETURN 1 + +/* We arrange for the whole %fs segment to map the tls area. */ +#undef TARGET_TLS_DIRECT_SEG_REFS_DEFAULT +#define TARGET_TLS_DIRECT_SEG_REFS_DEFAULT MASK_TLS_DIRECT_SEG_REFS + +/* Provide a LINK_SPEC. Here we provide support for the special GCC + options -static and -shared, which allow us to link things in one + of these three modes by applying the appropriate combinations of + options at link-time. + + When the -shared link option is used a final link is not being + done. */ + +#if TARGET_64BIT_DEFAULT +#define SPEC_32 "m32" +#define SPEC_64 "!m32" +#else +#define SPEC_32 "!m64" +#define SPEC_64 "m64" +#endif + +#undef ASM_SPEC +#define ASM_SPEC "%{" SPEC_32 ":--32} %{" SPEC_64 ":--64} \ + %{!mno-sse2avx:%{mavx:-msse2avx}} %{msse2avx:%{!mavx:-msse2avx}}" + +#undef LINK_SPEC +#define LINK_SPEC "%{" SPEC_64 ":-m elf_x86_64} %{" SPEC_32 ":-m elf_i386} \ + %{shared:-shared} \ + %{!shared: \ + %{!static: \ + %{rdynamic:-export-dynamic} \ + %{" SPEC_32 ":-dynamic-linker " GNU_USER_DYNAMIC_LINKER32 "} \ + %{" SPEC_64 ":-dynamic-linker " GNU_USER_DYNAMIC_LINKER64 "}} \ + %{static:-static}}" + +/* Similar to standard GNU userspace, but adding -ffast-math support. */ +#undef ENDFILE_SPEC +#define ENDFILE_SPEC \ + "%{ffast-math|funsafe-math-optimizations:crtfastmath.o%s} \ + %{mpc32:crtprec32.o%s} \ + %{mpc64:crtprec64.o%s} \ + %{mpc80:crtprec80.o%s} \ + %{shared|pie:crtendS.o%s;:crtend.o%s} crtn.o%s" + +#if TARGET_64BIT_DEFAULT +#define MULTILIB_DEFAULTS { "m64" } +#else +#define MULTILIB_DEFAULTS { "m32" } +#endif + +/* Put all *tf routines in libgcc. */ +#undef LIBGCC2_HAS_TF_MODE +#define LIBGCC2_HAS_TF_MODE 1 +#define LIBGCC2_TF_CEXT q +#define TF_SIZE 113 + +#define TARGET_ASM_FILE_END file_end_indicate_exec_stack + +/* The stack pointer needs to be moved while checking the stack. */ +#define STACK_CHECK_MOVING_SP 1 + +/* Static stack checking is supported by means of probes. */ +#define STACK_CHECK_STATIC_BUILTIN 1 + +#ifdef TARGET_LIBC_PROVIDES_SSP +/* i386 glibc provides __stack_chk_guard in %gs:0x14, + x86_64 glibc provides it in %fs:0x28. */ +#define TARGET_THREAD_SSP_OFFSET (TARGET_64BIT ? 0x28 : 0x14) + +/* We steal the last transactional memory word. */ +#define TARGET_CAN_SPLIT_STACK +#define TARGET_THREAD_SPLIT_STACK_OFFSET (TARGET_64BIT ? 0x70 : 0x30) +#endif diff --git a/gcc/config/i386/gnu.h b/gcc/config/i386/gnu.h index b245533091c..a86eff473e3 100644 --- a/gcc/config/i386/gnu.h +++ b/gcc/config/i386/gnu.h @@ -20,8 +20,8 @@ You should have received a copy of the GNU General Public License along with GCC. If not, see <http://www.gnu.org/licenses/>. */ -#undef GLIBC_DYNAMIC_LINKER -#define GLIBC_DYNAMIC_LINKER "/lib/ld.so" +#undef GNU_USER_DYNAMIC_LINKER +#define GNU_USER_DYNAMIC_LINKER "/lib/ld.so" #undef CPP_SPEC #define CPP_SPEC "%{pthread:-D_REENTRANT} %{posix:-D_POSIX_SOURCE}" diff --git a/gcc/config/i386/kfreebsd-gnu.h b/gcc/config/i386/kfreebsd-gnu.h index b5fb2ba29ca..8c4be69a98c 100644 --- a/gcc/config/i386/kfreebsd-gnu.h +++ b/gcc/config/i386/kfreebsd-gnu.h @@ -1,5 +1,5 @@ /* Definitions for Intel 386 running kFreeBSD-based GNU systems with ELF format - Copyright (C) 2004, 2007 + Copyright (C) 2004, 2007, 2011 Free Software Foundation, Inc. Contributed by Robert Millan. @@ -19,7 +19,7 @@ You should have received a copy of the GNU General Public License along with GCC; see the file COPYING3. If not see <http://www.gnu.org/licenses/>. */ -#undef LINK_EMULATION -#define LINK_EMULATION "elf_i386_fbsd" +#undef GNU_USER_LINK_EMULATION +#define GNU_USER_LINK_EMULATION "elf_i386_fbsd" #undef REG_NAME #define REG_NAME(reg) sc_ ## reg diff --git a/gcc/config/i386/linux.h b/gcc/config/i386/linux.h index 01b6bc86b05..40a35ac835e 100644 --- a/gcc/config/i386/linux.h +++ b/gcc/config/i386/linux.h @@ -20,194 +20,11 @@ You should have received a copy of the GNU General Public License along with GCC; see the file COPYING3. If not see <http://www.gnu.org/licenses/>. */ -/* Output at beginning of assembler file. */ -/* The .file command should always begin the output. */ -#define TARGET_ASM_FILE_START_FILE_DIRECTIVE true - -/* The svr4 ABI for the i386 says that records and unions are returned - in memory. */ -#undef DEFAULT_PCC_STRUCT_RETURN -#define DEFAULT_PCC_STRUCT_RETURN 1 - -/* We arrange for the whole %gs segment to map the tls area. */ -#undef TARGET_TLS_DIRECT_SEG_REFS_DEFAULT -#define TARGET_TLS_DIRECT_SEG_REFS_DEFAULT MASK_TLS_DIRECT_SEG_REFS - -#undef ASM_COMMENT_START -#define ASM_COMMENT_START "#" - -#undef DBX_REGISTER_NUMBER -#define DBX_REGISTER_NUMBER(n) \ - (TARGET_64BIT ? dbx64_register_map[n] : svr4_dbx_register_map[n]) - -/* Output assembler code to FILE to call the profiler. - To the best of my knowledge, no Linux libc has required the label - argument to mcount. */ - -#define NO_PROFILE_COUNTERS 1 - -#undef MCOUNT_NAME -#define MCOUNT_NAME "mcount" - -/* The GLIBC version of mcount for the x86 assumes that there is a - frame, so we cannot allow profiling without a frame pointer. */ - -#undef SUBTARGET_FRAME_POINTER_REQUIRED -#define SUBTARGET_FRAME_POINTER_REQUIRED crtl->profile - -#undef SIZE_TYPE -#define SIZE_TYPE "unsigned int" - -#undef PTRDIFF_TYPE -#define PTRDIFF_TYPE "int" - -#undef WCHAR_TYPE -#define WCHAR_TYPE "long int" - -#undef WCHAR_TYPE_SIZE -#define WCHAR_TYPE_SIZE BITS_PER_WORD - -#define TARGET_OS_CPP_BUILTINS() \ - do \ - { \ - LINUX_TARGET_OS_CPP_BUILTINS(); \ - } \ - while (0) - -#undef CPP_SPEC -#define CPP_SPEC "%{posix:-D_POSIX_SOURCE} %{pthread:-D_REENTRANT}" - -#undef CC1_SPEC -#define CC1_SPEC "%(cc1_cpu) %{profile:-p}" - -/* Provide a LINK_SPEC appropriate for Linux. Here we provide support - for the special GCC options -static and -shared, which allow us to - link things in one of these three modes by applying the appropriate - combinations of options at link-time. - - When the -shared link option is used a final link is not being - done. */ - -/* These macros may be overridden in k*bsd-gnu.h and i386/k*bsd-gnu.h. */ -#define LINK_EMULATION "elf_i386" +#define GNU_USER_LINK_EMULATION "elf_i386" #define GLIBC_DYNAMIC_LINKER "/lib/ld-linux.so.2" -#undef ASM_SPEC -#define ASM_SPEC \ - "--32 %{!mno-sse2avx:%{mavx:-msse2avx}} %{msse2avx:%{!mavx:-msse2avx}}" - -#undef SUBTARGET_EXTRA_SPECS -#define SUBTARGET_EXTRA_SPECS \ - { "link_emulation", LINK_EMULATION },\ - { "dynamic_linker", LINUX_DYNAMIC_LINKER } - -#undef LINK_SPEC -#define LINK_SPEC "-m %(link_emulation) %{shared:-shared} \ - %{!shared: \ - %{!static: \ - %{rdynamic:-export-dynamic} \ - -dynamic-linker %(dynamic_linker)} \ - %{static:-static}}" - -/* Similar to standard Linux, but adding -ffast-math support. */ -#undef ENDFILE_SPEC -#define ENDFILE_SPEC \ - "%{ffast-math|funsafe-math-optimizations:crtfastmath.o%s} \ - %{mpc32:crtprec32.o%s} \ - %{mpc64:crtprec64.o%s} \ - %{mpc80:crtprec80.o%s} \ - %{shared|pie:crtendS.o%s;:crtend.o%s} crtn.o%s" - -/* A C statement (sans semicolon) to output to the stdio stream - FILE the assembler definition of uninitialized global DECL named - NAME whose size is SIZE bytes and alignment is ALIGN bytes. - Try to use asm_output_aligned_bss to implement this macro. */ - -#define ASM_OUTPUT_ALIGNED_BSS(FILE, DECL, NAME, SIZE, ALIGN) \ - asm_output_aligned_bss (FILE, DECL, NAME, SIZE, ALIGN) - -/* A C statement to output to the stdio stream FILE an assembler - command to advance the location counter to a multiple of 1<<LOG - bytes if it is within MAX_SKIP bytes. - - This is used to align code labels according to Intel recommendations. */ - -#ifdef HAVE_GAS_MAX_SKIP_P2ALIGN -#define ASM_OUTPUT_MAX_SKIP_ALIGN(FILE,LOG,MAX_SKIP) \ - do { \ - if ((LOG) != 0) { \ - if ((MAX_SKIP) == 0) fprintf ((FILE), "\t.p2align %d\n", (LOG)); \ - else { \ - fprintf ((FILE), "\t.p2align %d,,%d\n", (LOG), (MAX_SKIP)); \ - /* Make sure that we have at least 8 byte alignment if > 8 byte \ - alignment is preferred. */ \ - if ((LOG) > 3 \ - && (1 << (LOG)) > ((MAX_SKIP) + 1) \ - && (MAX_SKIP) >= 7) \ - fputs ("\t.p2align 3\n", (FILE)); \ - } \ - } \ - } while (0) -#endif - -/* Handle special EH pointer encodings. Absolute, pc-relative, and - indirect are handled automatically. */ -#define ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX(FILE, ENCODING, SIZE, ADDR, DONE) \ - do { \ - if ((SIZE) == 4 && ((ENCODING) & 0x70) == DW_EH_PE_datarel) \ - { \ - fputs (ASM_LONG, FILE); \ - assemble_name (FILE, XSTR (ADDR, 0)); \ - fputs (((ENCODING) & DW_EH_PE_indirect ? "@GOT" : "@GOTOFF"), FILE); \ - goto DONE; \ - } \ - } while (0) - -/* Used by crtstuff.c to initialize the base of data-relative relocations. - These are GOT relative on x86, so return the pic register. */ -#ifdef __PIC__ -#define CRT_GET_RFIB_DATA(BASE) \ - { \ - register void *ebx_ __asm__("ebx"); \ - BASE = ebx_; \ - } -#else -#define CRT_GET_RFIB_DATA(BASE) \ - __asm__ ("call\t.LPR%=\n" \ - ".LPR%=:\n\t" \ - "pop{l}\t%0\n\t" \ - /* Due to a GAS bug, this cannot use EAX. That encodes \ - smaller than the traditional EBX, which results in the \ - offset being off by one. */ \ - "add{l}\t{$_GLOBAL_OFFSET_TABLE_+[.-.LPR%=],%0" \ - "|%0,_GLOBAL_OFFSET_TABLE_+(.-.LPR%=)}" \ - : "=d"(BASE)) -#endif - -/* Put all *tf routines in libgcc. */ -#undef LIBGCC2_HAS_TF_MODE -#define LIBGCC2_HAS_TF_MODE 1 -#define LIBGCC2_TF_CEXT q -#define TF_SIZE 113 - -#define TARGET_ASM_FILE_END file_end_indicate_exec_stack +#define GNU_USER_DYNAMIC_LINKER LINUX_DYNAMIC_LINKER #define MD_UNWIND_SUPPORT "config/i386/linux-unwind.h" -/* The stack pointer needs to be moved while checking the stack. */ -#define STACK_CHECK_MOVING_SP 1 - -/* Static stack checking is supported by means of probes. */ -#define STACK_CHECK_STATIC_BUILTIN 1 - -/* This macro may be overridden in i386/k*bsd-gnu.h. */ #define REG_NAME(reg) reg - -#ifdef TARGET_LIBC_PROVIDES_SSP -/* i386 glibc provides __stack_chk_guard in %gs:0x14. */ -#define TARGET_THREAD_SSP_OFFSET 0x14 - -/* We steal the last transactional memory word. */ -#define TARGET_CAN_SPLIT_STACK -#define TARGET_THREAD_SPLIT_STACK_OFFSET 0x30 -#endif diff --git a/gcc/config/i386/linux64.h b/gcc/config/i386/linux64.h index 4bed2faf335..467ddbe7f42 100644 --- a/gcc/config/i386/linux64.h +++ b/gcc/config/i386/linux64.h @@ -24,103 +24,12 @@ 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/>. */ -#define TARGET_OS_CPP_BUILTINS() \ - do \ - { \ - LINUX_TARGET_OS_CPP_BUILTINS(); \ - } \ - while (0) - -#undef CPP_SPEC -#define CPP_SPEC "%{posix:-D_POSIX_SOURCE} %{pthread:-D_REENTRANT}" - -#undef CC1_SPEC -#define CC1_SPEC "%(cc1_cpu) %{profile:-p}" - -/* The svr4 ABI for the i386 says that records and unions are returned - in memory. In the 64bit compilation we will turn this flag off in - ix86_option_override_internal, as we never do pcc_struct_return - scheme on this target. */ -#undef DEFAULT_PCC_STRUCT_RETURN -#define DEFAULT_PCC_STRUCT_RETURN 1 - -/* We arrange for the whole %fs segment to map the tls area. */ -#undef TARGET_TLS_DIRECT_SEG_REFS_DEFAULT -#define TARGET_TLS_DIRECT_SEG_REFS_DEFAULT MASK_TLS_DIRECT_SEG_REFS - -/* Provide a LINK_SPEC. Here we provide support for the special GCC - options -static and -shared, which allow us to link things in one - of these three modes by applying the appropriate combinations of - options at link-time. - - When the -shared link option is used a final link is not being - done. */ - #define GLIBC_DYNAMIC_LINKER32 "/lib/ld-linux.so.2" #define GLIBC_DYNAMIC_LINKER64 "/lib64/ld-linux-x86-64.so.2" -#if TARGET_64BIT_DEFAULT -#define SPEC_32 "m32" -#define SPEC_64 "!m32" -#else -#define SPEC_32 "!m64" -#define SPEC_64 "m64" -#endif - -#undef ASM_SPEC -#define ASM_SPEC "%{" SPEC_32 ":--32} %{" SPEC_64 ":--64} \ - %{!mno-sse2avx:%{mavx:-msse2avx}} %{msse2avx:%{!mavx:-msse2avx}}" - -#undef LINK_SPEC -#define LINK_SPEC "%{" SPEC_64 ":-m elf_x86_64} %{" SPEC_32 ":-m elf_i386} \ - %{shared:-shared} \ - %{!shared: \ - %{!static: \ - %{rdynamic:-export-dynamic} \ - %{" SPEC_32 ":-dynamic-linker " LINUX_DYNAMIC_LINKER32 "} \ - %{" SPEC_64 ":-dynamic-linker " LINUX_DYNAMIC_LINKER64 "}} \ - %{static:-static}}" - -/* Similar to standard Linux, but adding -ffast-math support. */ -#undef ENDFILE_SPEC -#define ENDFILE_SPEC \ - "%{ffast-math|funsafe-math-optimizations:crtfastmath.o%s} \ - %{mpc32:crtprec32.o%s} \ - %{mpc64:crtprec64.o%s} \ - %{mpc80:crtprec80.o%s} \ - %{shared|pie:crtendS.o%s;:crtend.o%s} crtn.o%s" - -#if TARGET_64BIT_DEFAULT -#define MULTILIB_DEFAULTS { "m64" } -#else -#define MULTILIB_DEFAULTS { "m32" } -#endif - -/* Put all *tf routines in libgcc. */ -#undef LIBGCC2_HAS_TF_MODE -#define LIBGCC2_HAS_TF_MODE 1 -#define LIBGCC2_TF_CEXT q -#define TF_SIZE 113 - -#define TARGET_ASM_FILE_END file_end_indicate_exec_stack +#define GNU_USER_DYNAMIC_LINKER32 LINUX_DYNAMIC_LINKER32 +#define GNU_USER_DYNAMIC_LINKER64 LINUX_DYNAMIC_LINKER64 #define MD_UNWIND_SUPPORT "config/i386/linux-unwind.h" -/* The stack pointer needs to be moved while checking the stack. */ -#define STACK_CHECK_MOVING_SP 1 - -/* Static stack checking is supported by means of probes. */ -#define STACK_CHECK_STATIC_BUILTIN 1 - -/* This macro may be overridden in i386/k*bsd-gnu.h. */ #define REG_NAME(reg) reg - -#ifdef TARGET_LIBC_PROVIDES_SSP -/* i386 glibc provides __stack_chk_guard in %gs:0x14, - x86_64 glibc provides it in %fs:0x28. */ -#define TARGET_THREAD_SSP_OFFSET (TARGET_64BIT ? 0x28 : 0x14) - -/* We steal the last transactional memory word. */ -#define TARGET_CAN_SPLIT_STACK -#define TARGET_THREAD_SPLIT_STACK_OFFSET (TARGET_64BIT ? 0x70 : 0x30) -#endif diff --git a/gcc/config/kfreebsd-gnu.h b/gcc/config/kfreebsd-gnu.h index 592bae3d378..48da6a00793 100644 --- a/gcc/config/kfreebsd-gnu.h +++ b/gcc/config/kfreebsd-gnu.h @@ -1,5 +1,5 @@ /* Definitions for kFreeBSD-based GNU systems with ELF format - Copyright (C) 2004, 2006, 2007 + Copyright (C) 2004, 2006, 2007, 2011 Free Software Foundation, Inc. Contributed by Robert Millan. @@ -31,7 +31,5 @@ along with GCC; see the file COPYING3. If not see } \ while (0) -#ifdef GLIBC_DYNAMIC_LINKER -#undef GLIBC_DYNAMIC_LINKER -#define GLIBC_DYNAMIC_LINKER "/lib/ld.so.1" -#endif +#undef GNU_USER_DYNAMIC_LINKER +#define GNU_USER_DYNAMIC_LINKER "/lib/ld.so.1" diff --git a/gcc/config/knetbsd-gnu.h b/gcc/config/knetbsd-gnu.h index 4cc8eb79675..dfb09e9bc15 100644 --- a/gcc/config/knetbsd-gnu.h +++ b/gcc/config/knetbsd-gnu.h @@ -1,5 +1,5 @@ /* Definitions for kNetBSD-based GNU systems with ELF format - Copyright (C) 2004, 2006, 2007 + Copyright (C) 2004, 2006, 2007, 2011 Free Software Foundation, Inc. Contributed by Robert Millan. @@ -32,7 +32,5 @@ along with GCC; see the file COPYING3. If not see while (0) -#ifdef GLIBC_DYNAMIC_LINKER -#undef GLIBC_DYNAMIC_LINKER -#define GLIBC_DYNAMIC_LINKER "/lib/ld.so.1" -#endif +#undef GNU_USER_DYNAMIC_LINKER +#define GNU_USER_DYNAMIC_LINKER "/lib/ld.so.1" diff --git a/gcc/config/kopensolaris-gnu.h b/gcc/config/kopensolaris-gnu.h index e044fafce68..99da2c16645 100644 --- a/gcc/config/kopensolaris-gnu.h +++ b/gcc/config/kopensolaris-gnu.h @@ -1,5 +1,5 @@ /* Definitions for kOpenSolaris-based GNU systems with ELF format - Copyright (C) 2004, 2006, 2007, 2009 + Copyright (C) 2004, 2006, 2007, 2009, 2011 Free Software Foundation, Inc. Contributed by Robert Millan. @@ -31,7 +31,5 @@ along with GCC; see the file COPYING3. If not see } \ while (0) -#ifdef GLIBC_DYNAMIC_LINKER -#undef GLIBC_DYNAMIC_LINKER -#define GLIBC_DYNAMIC_LINKER "/lib/ld.so.1" -#endif +#undef GNU_USER_DYNAMIC_LINKER +#define GNU_USER_DYNAMIC_LINKER "/lib/ld.so.1" |