diff options
Diffstat (limited to 'gcc/config/alpha/elf.h')
| -rw-r--r-- | gcc/config/alpha/elf.h | 18 |
1 files changed, 10 insertions, 8 deletions
diff --git a/gcc/config/alpha/elf.h b/gcc/config/alpha/elf.h index 0e5265c6472..24ab5f66b8c 100644 --- a/gcc/config/alpha/elf.h +++ b/gcc/config/alpha/elf.h @@ -1,6 +1,6 @@ /* Definitions of target machine for GNU compiler, for DEC Alpha w/ELF. - Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2007, 2008 - Free Software Foundation, Inc. + Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2007, 2008, + 2009 Free Software Foundation, Inc. Contributed by Richard Henderson (rth@tamu.edu). This file is part of GCC. @@ -142,18 +142,20 @@ do { \ ASM_OUTPUT_ALIGNED_LOCAL (FILE, NAME, SIZE, ALIGN); \ } while (0) -/* Biggest alignment supported by the object file format of this - machine. Use this macro to limit the alignment which can be - specified using the `__attribute__ ((aligned (N)))' construct. If - not defined, the default value is `BIGGEST_ALIGNMENT'. +/* 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 \ - (1 << (HOST_BITS_PER_INT < 64 ? HOST_BITS_PER_INT - 2 : 62)) +#define MAX_OFILE_ALIGNMENT (((unsigned int) 1 << 28) * 8) /* This is the pseudo-op used to generate a contiguous sequence of byte values from a double-quoted string WITHOUT HAVING A TERMINATING NUL |