Update copyright years.

[thirdparty/gcc.git] / gcc / config / alpha / elf.h

diff --git a/gcc/config/alpha/elf.h b/gcc/config/alpha/elf.h
index 29fdeabbb42f8c4d4b6c95675b0b8c08b414db0c..395d5f09490183f2efbb88bc8ceab7fbb76226b9 100644 (file)
--- a/gcc/config/alpha/elf.h
+++ b/gcc/config/alpha/elf.h
@@ -1,6 +1,5 @@
 /* Definitions of target machine for GNU compiler, for DEC Alpha w/ELF.
-   Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2007, 2008,
-   2009, 2010, 2012 Free Software Foundation, Inc.
+   Copyright (C) 1996-2020 Free Software Foundation, Inc.
    Contributed by Richard Henderson (rth@tamu.edu).
 
 This file is part of GCC.
@@ -23,13 +22,21 @@ along with GCC; see the file COPYING3.  If not see
 #define CC1_SPEC  "%{G*}"
 
 #undef  ASM_SPEC
-#define ASM_SPEC  "%{G*} %{relax:-relax} %{!gstabs*:-no-mdebug}%{gstabs*:-mdebug}"
+#define ASM_SPEC  "%{G*} %{relax:-relax} %{!gstabs*:-no-mdebug}%{gstabs*:-mdebug} %{mcpu=*:-m%*}"
 
 /* Do not output a .file directive at the beginning of the input file.  */
  
-#undef TARGET_ASM_FILE_START_FILE_DIRECTIVE
+#undef  TARGET_ASM_FILE_START_FILE_DIRECTIVE
 #define TARGET_ASM_FILE_START_FILE_DIRECTIVE false
 
+/* This is how to output an assembler line
+   that says to advance the location counter
+   to a multiple of 2**LOG bytes.  */
+
+#define ASM_OUTPUT_ALIGN(FILE,LOG)             \
+  if ((LOG) != 0)                              \
+    fprintf (FILE, "\t.align %d\n", LOG);
+
 /* This says how to output assembler code to declare an
    uninitialized internal linkage data object.  Under SVR4,
    the linker seems to want the alignment of data objects
@@ -59,21 +66,6 @@ do {                                                                 \
   ASM_OUTPUT_ALIGNED_LOCAL (FILE, NAME, SIZE, ALIGN);                  \
 } while (0)
 
-/* The biggest alignment supported by ELF in bits. 32-bit ELF 
-   supports section alignment up to (0x80000000 * 8), while 
-   64-bit ELF supports (0x8000000000000000 * 8). If this macro 
-   is not defined, the default is the largest alignment supported 
-   by 32-bit ELF and representable on a 32-bit host. Use this
-   macro to limit the alignment which can be specified using
-   the `__attribute__ ((aligned (N)))' construct.
-
-   This value is really 2^63.  Since gcc figures the alignment in bits,
-   we could only potentially get to 2^60 on suitable hosts.  Due to other
-   considerations in varasm, we must restrict this to what fits in an int.  */
-
-#undef  MAX_OFILE_ALIGNMENT
-#define MAX_OFILE_ALIGNMENT (((unsigned int) 1 << 28) * 8)
-
 #undef  BSS_SECTION_ASM_OP
 #define BSS_SECTION_ASM_OP     "\t.section\t.bss"
 #undef  SBSS_SECTION_ASM_OP
@@ -105,37 +97,12 @@ do {                                                                       \
        assemble_name (FILE, name);                             \
        fputs ("..ng\n", FILE);                                 \
       }                                                                \
-    assemble_name(FILE, alias);                                        \
-    fputs(" = ", FILE);                                                \
-    assemble_name(FILE, name);                                 \
-    fputc('\n', FILE);                                         \
+    ASM_OUTPUT_DEF (FILE, alias, name);                                \
   } while (0)
 
-/* Provide a STARTFILE_SPEC appropriate for ELF.  Here we add the
-   (even more) magical crtbegin.o file which provides part of the
-   support for getting C++ file-scope static object constructed
-   before entering `main'.  */
-
-#undef STARTFILE_SPEC
-#ifdef HAVE_LD_PIE
-#define STARTFILE_SPEC \
-  "%{!shared: %{pg|p:gcrt1.o%s;pie:Scrt1.o%s;:crt1.o%s}}\
-   crti.o%s %{static:crtbeginT.o%s;shared|pie:crtbeginS.o%s;:crtbegin.o%s}"
-#else
-#define STARTFILE_SPEC \
-  "%{!shared: %{pg|p:gcrt1.o%s;:crt1.o%s}}\
-   crti.o%s %{static:crtbeginT.o%s;shared|pie:crtbeginS.o%s;:crtbegin.o%s}"
-#endif
-
-/* Provide a ENDFILE_SPEC appropriate for ELF.  Here we tack on the
-   magical crtend.o file which provides part of the support for
-   getting C++ file-scope static object constructed before entering
-   `main', followed by a normal ELF "finalizer" file, `crtn.o'.  */
-
-#undef ENDFILE_SPEC
-#define ENDFILE_SPEC \
-  "%{Ofast|ffast-math|funsafe-math-optimizations:crtfastmath.o%s} \
-   %{shared|pie:crtendS.o%s;:crtend.o%s} crtn.o%s"
+/* This variable should be set to 'true' if the target ABI requires
+   unwinding tables even when exceptions are not used.  */
+#define TARGET_UNWIND_TABLES_DEFAULT true
 
 /* 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
@@ -175,5 +142,5 @@ extern int alpha_this_gpdisp_sequence_number;
    I imagine that other systems will catch up.  In the meantime, it
    doesn't harm to make sure that the data exists to be used later.  */
 #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