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Add support for IA-64 specific elf header flags.

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bfd/
2000-08-14  Jim Wilson  <wilson@cygnus.com>
	* elf64-ia64.c (elf64_ia64_merge_private_bfd_data): Handle
	EF_IA_64_REDUCEDFP, EF_IA_64_CONS_GP, and EF_IA_64_NOFUNCDESC_CONS_GP.
	(elf64_ia64_print_private_bfd_data): Likewise.  Also handle
	EF_IA_64_ABSOLUTE.
gas/
2000-08-14  Jim Wilson  <wilson@cygnus.com>
	* config/tc-ia64.c (md_longopts): Add -mconstant-gp and -mauto-pic.
	(md_parse_option):  Add OPTION_MCONSTANT_GP and OPTION_MAUTO_PIC.
	(md_begin): Change assignment to md.flag to OR in the new bit.
include/elf/
2000-08-14  Jim Wilson  <wilson@cygnus.com>
	* elf/ia64.h (EF_IA_64_REDUCEDFP, EF_IA_64_CONS_GP,
	EF_IA_64_NOFUNCDESC_CONS_GP, EF_IA_64_ABSOLUTE): Define.
This commit is contained in:
Jim Wilson 2000-08-14 20:13:39 +00:00
parent db4f683116
commit c43c2cc5fa
6 changed files with 71 additions and 5 deletions
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7
bfd/ChangeLog
View File

@ -1,3 +1,10 @@
2000-08-14 Jim Wilson <wilson@cygnus.com>
* elf64-ia64.c (elf64_ia64_merge_private_bfd_data): Handle
EF_IA_64_REDUCEDFP, EF_IA_64_CONS_GP, and EF_IA_64_NOFUNCDESC_CONS_GP.
(elf64_ia64_print_private_bfd_data): Likewise. Also handle
EF_IA_64_ABSOLUTE.
2000-08-11 Alexandre Oliva <aoliva@redhat.com> 2000-08-11 Alexandre Oliva <aoliva@redhat.com>
* elf32-sh.c (sh_elf_set_mach_from_flags): Make it static. * elf32-sh.c (sh_elf_set_mach_from_flags): Make it static.

30
bfd/elf64-ia64.c
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@ -3974,6 +3974,10 @@ elf64_ia64_merge_private_bfd_data (ibfd, obfd)
if (in_flags == out_flags) if (in_flags == out_flags)
return true; return true;
/* Output has EF_IA_64_REDUCEDFP set only if all inputs have it set. */
if (!(in_flags & EF_IA_64_REDUCEDFP) && (out_flags & EF_IA_64_REDUCEDFP))
elf_elfheader (obfd)->e_flags &= ~EF_IA_64_REDUCEDFP;
if ((in_flags & EF_IA_64_TRAPNIL) != (out_flags & EF_IA_64_TRAPNIL)) if ((in_flags & EF_IA_64_TRAPNIL) != (out_flags & EF_IA_64_TRAPNIL))
{ {
(*_bfd_error_handler) (*_bfd_error_handler)
@ -4001,6 +4005,25 @@ elf64_ia64_merge_private_bfd_data (ibfd, obfd)
bfd_set_error (bfd_error_bad_value); bfd_set_error (bfd_error_bad_value);
ok = false; ok = false;
} }
if ((in_flags & EF_IA_64_CONS_GP) != (out_flags & EF_IA_64_CONS_GP))
{
(*_bfd_error_handler)
(_("%s: linking constant-gp files with non-constant-gp files"),
bfd_get_filename (ibfd));
bfd_set_error (bfd_error_bad_value);
ok = false;
}
if ((in_flags & EF_IA_64_NOFUNCDESC_CONS_GP)
!= (out_flags & EF_IA_64_NOFUNCDESC_CONS_GP))
{
(*_bfd_error_handler)
(_("%s: linking auto-pic files with non-auto-pic files"),
bfd_get_filename (ibfd));
bfd_set_error (bfd_error_bad_value);
ok = false;
}
return ok; return ok;
} }
@ -4015,11 +4038,16 @@ elf64_ia64_print_private_bfd_data (abfd, ptr)
BFD_ASSERT (abfd != NULL && ptr != NULL); BFD_ASSERT (abfd != NULL && ptr != NULL);
fprintf (file, "private flags = %s%s%s%s\n", fprintf (file, "private flags = %s%s%s%s%s%s%s%s\n",
(flags & EF_IA_64_TRAPNIL) ? "TRAPNIL, " : "", (flags & EF_IA_64_TRAPNIL) ? "TRAPNIL, " : "",
(flags & EF_IA_64_EXT) ? "EXT, " : "", (flags & EF_IA_64_EXT) ? "EXT, " : "",
(flags & EF_IA_64_BE) ? "BE, " : "LE, ", (flags & EF_IA_64_BE) ? "BE, " : "LE, ",
(flags & EF_IA_64_REDUCEDFP) ? "REDUCEDFP, " : "",
(flags & EF_IA_64_CONS_GP) ? "CONS_GP, " : "",
(flags & EF_IA_64_NOFUNCDESC_CONS_GP) ? "NOFUNCDESC_CONS_GP, " : "",
(flags & EF_IA_64_ABSOLUTE) ? "ABSOLUTE, " : "",
(flags & EF_IA_64_ABI64) ? "ABI64" : "ABI32"); (flags & EF_IA_64_ABI64) ? "ABI64" : "ABI32");
_bfd_elf_print_private_bfd_data (abfd, ptr); _bfd_elf_print_private_bfd_data (abfd, ptr);
return true; return true;
} }

6
gas/ChangeLog
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@ -1,3 +1,9 @@
2000-08-14 Jim Wilson <wilson@cygnus.com>
* config/tc-ia64.c (md_longopts): Add -mconstant-gp and -mauto-pic.
(md_parse_option): Add OPTION_MCONSTANT_GP and OPTION_MAUTO_PIC.
(md_begin): Change assignment to md.flag to OR in the new bit.
2000-08-14 Mark Elbrecht <snowball3@bigfoot.com> 2000-08-14 Mark Elbrecht <snowball3@bigfoot.com>
* config/obj-coff.c (obj_coff_endef) [BFD_ASSEMBLER]: Set the debug * config/obj-coff.c (obj_coff_endef) [BFD_ASSEMBLER]: Set the debug

19
gas/config/tc-ia64.c
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@ -160,7 +160,10 @@ const char *md_shortopts = "M:N:x::";
struct option md_longopts[] = struct option md_longopts[] =
{ {
{ NULL, no_argument, NULL, 0} #define OPTION_MCONSTANT_GP (OPTION_MD_BASE + 1)
{"mconstant-gp", no_argument, NULL, OPTION_MCONSTANT_GP},
#define OPTION_MAUTO_PIC (OPTION_MD_BASE + 2)
{"mauto-pic", no_argument, NULL, OPTION_MAUTO_PIC}
}; };
size_t md_longopts_size = sizeof (md_longopts); size_t md_longopts_size = sizeof (md_longopts);
@ -5534,9 +5537,9 @@ md_parse_option (c, arg)
int c; int c;
char *arg; char *arg;
{ {
/* Switches from the Intel assembler. */
switch (c) switch (c)
{ {
/* Switches from the Intel assembler. */
case 'M': case 'M':
if (strcmp (arg, "ilp64") == 0 if (strcmp (arg, "ilp64") == 0
|| strcmp (arg, "lp64") == 0 || strcmp (arg, "lp64") == 0
@ -5629,6 +5632,15 @@ md_parse_option (c, arg)
/* nops Print nops statistics. */ /* nops Print nops statistics. */
break; break;
/* GNU specific switches for gcc. */
case OPTION_MCONSTANT_GP:
md.flags |= EF_IA_64_CONS_GP;
break;
case OPTION_MAUTO_PIC:
md.flags |= EF_IA_64_NOFUNCDESC_CONS_GP;
break;
default: default:
return 0; return 0;
} }
@ -5880,7 +5892,8 @@ md_begin ()
} }
/* Default to 64-bit mode. */ /* Default to 64-bit mode. */
md.flags = EF_IA_64_ABI64; /* ??? This overrides the -M options, but they aren't working anyways. */
md.flags |= EF_IA_64_ABI64;
md.mem_offset.hint = 0; md.mem_offset.hint = 0;
md.path = 0; md.path = 0;

5
include/elf/ChangeLog
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@ -1,3 +1,8 @@
2000-08-14 Jim Wilson <wilson@cygnus.com>
* elf/ia64.h (EF_IA_64_REDUCEDFP, EF_IA_64_CONS_GP,
EF_IA_64_NOFUNCDESC_CONS_GP, EF_IA_64_ABSOLUTE): Define.
2000-08-07 Nick Clifton <nickc@cygnus.com> 2000-08-07 Nick Clifton <nickc@cygnus.com>
* ppc.h: Remove spurious CYGNUS LOCAL comments. * ppc.h: Remove spurious CYGNUS LOCAL comments.

9
include/elf/ia64.h
View File

@ -25,7 +25,6 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
/* Bits in the e_flags field of the Elf64_Ehdr: */ /* Bits in the e_flags field of the Elf64_Ehdr: */
#define EF_IA_64_MASKOS 0x0000000f /* os-specific flags */ #define EF_IA_64_MASKOS 0x0000000f /* os-specific flags */
#define EF_IA_64_ABI64 (1 << 4) /* 64-bit ABI */
#define EF_IA_64_ARCH 0xff000000 /* arch. version mask */ #define EF_IA_64_ARCH 0xff000000 /* arch. version mask */
/* ??? These four definitions are not part of the SVR4 ABI. /* ??? These four definitions are not part of the SVR4 ABI.
@ -36,6 +35,14 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
#define EF_IA_64_BE (1 << 3) /* PSR BE bit set (big-endian) */ #define EF_IA_64_BE (1 << 3) /* PSR BE bit set (big-endian) */
#define EFA_IA_64_EAS2_3 0x23000000 /* ia64 EAS 2.3 */ #define EFA_IA_64_EAS2_3 0x23000000 /* ia64 EAS 2.3 */
#define EF_IA_64_ABI64 (1 << 4) /* 64-bit ABI */
/* Not used yet. */
#define EF_IA_64_REDUCEDFP (1 << 5) /* Only FP6-FP11 used. */
#define EF_IA_64_CONS_GP (1 << 6) /* gp as program wide constant. */
#define EF_IA_64_NOFUNCDESC_CONS_GP (1 << 7) /* And no function descriptors. */
/* Not used yet. */
#define EF_IA_64_ABSOLUTE (1 << 8) /* Load at absolute addresses. */
#define ELF_STRING_ia64_archext ".IA_64.archext" #define ELF_STRING_ia64_archext ".IA_64.archext"
#define ELF_STRING_ia64_pltoff ".IA_64.pltoff" #define ELF_STRING_ia64_pltoff ".IA_64.pltoff"
#define ELF_STRING_ia64_unwind ".IA_64.unwind" #define ELF_STRING_ia64_unwind ".IA_64.unwind"