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* config/i386/i386.c (ix86_valid_target_attribute_inner_p):
[pf3gnuchains/gcc-fork.git] / gcc / config / i386 / linux64.h
index 99c381a..5b0a212 100644 (file)
 /* Definitions for AMD x86-64 running Linux-based GNU systems with ELF format.
-   Copyright (C) 2001, 2002 Free Software Foundation, Inc.
+   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 GNU CC.
+This file is part of GCC.
 
-GNU CC is free software; you can redistribute it and/or modify
+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)
+the Free Software Foundation; either version 3, or (at your option)
 any later version.
 
-GNU CC is distributed in the hope that it will be useful,
+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 GNU CC; see the file COPYING.  If not, write to
-the Free Software Foundation, 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, USA.  */
+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.
 
-#define LINUX_DEFAULT_ELF
+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_VERSION fprintf (stderr, " (x86-64 Linux/ELF)");
+#define GNU_USER_LINK_EMULATION32 "elf_i386"
+#define GNU_USER_LINK_EMULATION64 "elf_x86_64"
+#define GNU_USER_LINK_EMULATIONX32 "elf32_x86_64"
 
-#undef CPP_PREDEFINES
-#define CPP_PREDEFINES "-D__ELF__ -Dunix -D__gnu_linux__ -Dlinux -Asystem(posix)"
-
-#undef CPP_SPEC
-#define CPP_SPEC "%{fPIC:-D__PIC__ -D__pic__} %{fpic:-D__PIC__ -D__pic__} %{posix:-D_POSIX_SOURCE} %{pthread:-D_REENTRANT}"
-
-/* 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.  */
-
-#undef LINK_SPEC
-#define LINK_SPEC "%{!m32:-m elf_x86_64 -Y P,/usr/lib64} %{m32:-m elf_i386} \
-  %{shared:-shared} \
-  %{!shared: \
-    %{!static: \
-      %{rdynamic:-export-dynamic} \
-      %{m32:%{!dynamic-linker:-dynamic-linker /lib/ld-linux.so.2}} \
-      %{!m32:%{!dynamic-linker:-dynamic-linker /lib64/ld-linux-x86-64.so.2}}} \
-    %{static:-static}}"
-
-#undef  STARTFILE_SPEC
-#define STARTFILE_SPEC \
-  "%{m32:%{!shared: \
-       %{pg:gcrt1.o%s} %{!pg:%{p:gcrt1.o%s} \
-       %{!p:%{profile:gcrt1.o%s} %{!profile:crt1.o%s}}}} \
-     crti.o%s %{static:crtbeginT.o%s}\
-     %{!static:%{!shared:crtbegin.o%s} %{shared:crtbeginS.o%s}}} \
-   %{!m32:%{!shared: \
-       %{pg:/usr/lib64/gcrt1.o%s} %{!pg:%{p:/usr/lib64/gcrt1.o%s} \
-       %{!p:%{profile:/usr/lib64/gcrt1.o%s} %{!profile:/usr/lib64/crt1.o%s}}}}\
-     /usr/lib64/crti.o%s %{static:crtbeginT.o%s} \
-     %{!static:%{!shared:crtbegin.o%s} %{shared:crtbeginS.o%s}}}"
-
-#undef  ENDFILE_SPEC
-#define ENDFILE_SPEC "\
-  %{m32:%{!shared:crtend.o%s} %{shared:crtendS.o%s} crtn.o%s} \
-  %{!m32:%{!shared:crtend.o%s} %{shared:crtendS.o%s} /usr/lib64/crtn.o%s}"
-
-#define MULTILIB_DEFAULTS { "m64" }
-
-/* Do code reading to identify a signal frame, and set the frame
-   state data appropriately.  See unwind-dw2.c for the structs.  
-   Don't use this at all if inhibit_libc is used.  */
-
-#ifndef inhibit_libc
-#ifdef IN_LIBGCC2
-#include <signal.h>
-#include <sys/ucontext.h>
-#endif
-
-#ifdef __x86_64__
-#define MD_FALLBACK_FRAME_STATE_FOR(CONTEXT, FS, SUCCESS)              \
-  do {                                                                 \
-    unsigned char *pc_ = (CONTEXT)->ra;                                        \
-    struct sigcontext *sc_;                                            \
-    long new_cfa_;                                                     \
-                                                                       \
-    /* movq __NR_rt_sigreturn, %rax ; syscall  */                      \
-    if (*(unsigned char *)(pc_+0) == 0x48                              \
-       && *(unsigned long *)(pc_+1) == 0x050f0000000fc0c7)             \
-      {                                                                        \
-       struct ucontext *uc_ = (CONTEXT)->cfa;                          \
-       sc_ = (struct sigcontext *) &uc_->uc_mcontext;                  \
-      }                                                                        \
-    else                                                               \
-      break;                                                           \
-                                                                       \
-    new_cfa_ = sc_->rsp;                                               \
-    (FS)->cfa_how = CFA_REG_OFFSET;                                    \
-    /* Register 7 is rsp  */                                           \
-    (FS)->cfa_reg = 7;                                                 \
-    (FS)->cfa_offset = new_cfa_ - (long) (CONTEXT)->cfa;               \
-                                                                       \
-    /* The SVR4 register numbering macros aren't usable in libgcc.  */ \
-    (FS)->regs.reg[0].how = REG_SAVED_OFFSET;                          \
-    (FS)->regs.reg[0].loc.offset = (long)&sc_->rax - new_cfa_;         \
-    (FS)->regs.reg[1].how = REG_SAVED_OFFSET;                          \
-    (FS)->regs.reg[1].loc.offset = (long)&sc_->rbx - new_cfa_;         \
-    (FS)->regs.reg[2].how = REG_SAVED_OFFSET;                          \
-    (FS)->regs.reg[2].loc.offset = (long)&sc_->rcx - new_cfa_;         \
-    (FS)->regs.reg[3].how = REG_SAVED_OFFSET;                          \
-    (FS)->regs.reg[3].loc.offset = (long)&sc_->rdx - new_cfa_;         \
-    (FS)->regs.reg[4].how = REG_SAVED_OFFSET;                          \
-    (FS)->regs.reg[4].loc.offset = (long)&sc_->rbp - new_cfa_;         \
-    (FS)->regs.reg[5].how = REG_SAVED_OFFSET;                          \
-    (FS)->regs.reg[5].loc.offset = (long)&sc_->rsi - new_cfa_;         \
-    (FS)->regs.reg[6].how = REG_SAVED_OFFSET;                          \
-    (FS)->regs.reg[6].loc.offset = (long)&sc_->rdi - new_cfa_;         \
-    (FS)->regs.reg[8].how = REG_SAVED_OFFSET;                          \
-    (FS)->regs.reg[8].loc.offset = (long)&sc_->r8 - new_cfa_;          \
-    (FS)->regs.reg[9].how = REG_SAVED_OFFSET;                          \
-    (FS)->regs.reg[9].loc.offset = (long)&sc_->r9 - new_cfa_;          \
-    (FS)->regs.reg[10].how = REG_SAVED_OFFSET;                         \
-    (FS)->regs.reg[10].loc.offset = (long)&sc_->r10 - new_cfa_;                \
-    (FS)->regs.reg[11].how = REG_SAVED_OFFSET;                         \
-    (FS)->regs.reg[11].loc.offset = (long)&sc_->r11 - new_cfa_;                \
-    (FS)->regs.reg[12].how = REG_SAVED_OFFSET;                         \
-    (FS)->regs.reg[12].loc.offset = (long)&sc_->r12 - new_cfa_;                \
-    (FS)->regs.reg[13].how = REG_SAVED_OFFSET;                         \
-    (FS)->regs.reg[13].loc.offset = (long)&sc_->r13 - new_cfa_;                \
-    (FS)->regs.reg[14].how = REG_SAVED_OFFSET;                         \
-    (FS)->regs.reg[14].loc.offset = (long)&sc_->r14 - new_cfa_;                \
-    (FS)->regs.reg[15].how = REG_SAVED_OFFSET;                         \
-    (FS)->regs.reg[15].loc.offset = (long)&sc_->r15 - new_cfa_;                \
-    (FS)->retaddr_column = 16;                                         \
-    goto SUCCESS;                                                      \
-  } while (0)
-#else /* ifdef __x86_64__  */
-#define MD_FALLBACK_FRAME_STATE_FOR(CONTEXT, FS, SUCCESS)              \
-  do {                                                                 \
-    unsigned char *pc_ = (CONTEXT)->ra;                                        \
-    struct sigcontext *sc_;                                            \
-    long new_cfa_;                                                     \
-                                                                       \
-    /* popl %eax ; movl $__NR_sigreturn,%eax ; int $0x80  */           \
-    if (*(unsigned short *)(pc_+0) == 0xb858                           \
-       && *(unsigned int *)(pc_+2) == 119                              \
-       && *(unsigned short *)(pc_+6) == 0x80cd)                        \
-      sc_ = (CONTEXT)->cfa + 4;                                                \
-    /* movl $__NR_rt_sigreturn,%eax ; int $0x80  */                    \
-    else if (*(unsigned char *)(pc_+0) == 0xb8                         \
-            && *(unsigned int *)(pc_+1) == 173                         \
-            && *(unsigned short *)(pc_+5) == 0x80cd)                   \
-      {                                                                        \
-       struct rt_sigframe {                                            \
-         int sig;                                                      \
-         struct siginfo *pinfo;                                        \
-         void *puc;                                                    \
-         struct siginfo info;                                          \
-         struct ucontext uc;                                           \
-       } *rt_ = (CONTEXT)->cfa;                                        \
-       sc_ = (struct sigcontext *) &rt_->uc.uc_mcontext;               \
-      }                                                                        \
-    else                                                               \
-      break;                                                           \
-                                                                       \
-    new_cfa_ = sc_->esp;                                               \
-    (FS)->cfa_how = CFA_REG_OFFSET;                                    \
-    (FS)->cfa_reg = 4;                                                 \
-    (FS)->cfa_offset = new_cfa_ - (long) (CONTEXT)->cfa;               \
-                                                                       \
-    /* The SVR4 register numbering macros aren't usable in libgcc.  */ \
-    (FS)->regs.reg[0].how = REG_SAVED_OFFSET;                          \
-    (FS)->regs.reg[0].loc.offset = (long)&sc_->eax - new_cfa_;         \
-    (FS)->regs.reg[3].how = REG_SAVED_OFFSET;                          \
-    (FS)->regs.reg[3].loc.offset = (long)&sc_->ebx - new_cfa_;         \
-    (FS)->regs.reg[1].how = REG_SAVED_OFFSET;                          \
-    (FS)->regs.reg[1].loc.offset = (long)&sc_->ecx - new_cfa_;         \
-    (FS)->regs.reg[2].how = REG_SAVED_OFFSET;                          \
-    (FS)->regs.reg[2].loc.offset = (long)&sc_->edx - new_cfa_;         \
-    (FS)->regs.reg[6].how = REG_SAVED_OFFSET;                          \
-    (FS)->regs.reg[6].loc.offset = (long)&sc_->esi - new_cfa_;         \
-    (FS)->regs.reg[7].how = REG_SAVED_OFFSET;                          \
-    (FS)->regs.reg[7].loc.offset = (long)&sc_->edi - new_cfa_;         \
-    (FS)->regs.reg[5].how = REG_SAVED_OFFSET;                          \
-    (FS)->regs.reg[5].loc.offset = (long)&sc_->ebp - new_cfa_;         \
-    (FS)->regs.reg[8].how = REG_SAVED_OFFSET;                          \
-    (FS)->regs.reg[8].loc.offset = (long)&sc_->eip - new_cfa_;         \
-    (FS)->retaddr_column = 8;                                          \
-    goto SUCCESS;                                                      \
-  } while (0)
-#endif /* ifdef __x86_64__  */
-#endif /* ifdef inhibit_libc  */
+#define GLIBC_DYNAMIC_LINKER32 "/lib/ld-linux.so.2"
+#define GLIBC_DYNAMIC_LINKER64 "/lib64/ld-linux-x86-64.so.2"
+#define GLIBC_DYNAMIC_LINKERX32 "/libx32/ld-linux-x32.so.2"