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bfd/ 

* config.bfd: Include 64-bit support for i[3-7]86-*-solaris2*.
	* elf64-x86-64.c (elf64_x86_64_section_from_shdr): New function.
	(elf_backend_section_from_shdr): Define.
binutils/
	* readelf.c (get_x86_64_section_type_name): New function.
	(get_section_type_name): Use it.
gas/
	* config/tc-i386.c: Include "elf/x86-64.h".
	(i386_elf_section_type): New function.
	* config/tc-i386.h (md_elf_section_type): Define.
	(i386_elf_section_type): New prototype.
gas/testsuite/
	* gas/i386/i386.exp: Don't run divide test for targets where '/'
	is a comment.  Run x86-64-unwind for 64-bit ELF targets.
	* gas/i386/x86-64-unwind.d, gas/i386/x86-64-unwind.s: New.
include/
	* elf/common.h (PT_SUNW_EH_FRAME): Define.
	* elf/x86-64.h (SHT_X86_64_UNWIND): Define.
ld/
	* configure.tgt: Include elf_x86_64 for i[3-7]86-*-solaris2*.
jimb-rda-nptl-branch
Daniel Jacobowitz 22 years ago
parent
d67a454c81
commit
d2b2c203e1
17 changed files with 149 additions and 3 deletions
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  1. 6
      bfd/ChangeLog
  2. 8
      bfd/config.bfd
  3. 18
      bfd/elf64-x86-64.c
  4. 5
      binutils/ChangeLog
  5. 15
      binutils/readelf.c
  6. 7
      gas/ChangeLog
  7. 12
      gas/config/tc-i386.c
  8. 3
      gas/config/tc-i386.h
  9. 6
      gas/testsuite/ChangeLog
  10. 20
      gas/testsuite/gas/i386/i386.exp
  11. 28
      gas/testsuite/gas/i386/x86-64-unwind.d
  12. 8
      gas/testsuite/gas/i386/x86-64-unwind.s
  13. 5
      include/ChangeLog
  14. 1
      include/elf/common.h
  15. 4
      include/elf/x86-64.h
  16. 4
      ld/ChangeLog
  17. 2
      ld/configure.tgt

6
bfd/ChangeLog
View File

@ -1,3 +1,9 @@
2004-10-08 Daniel Jacobowitz <dan@debian.org>
* config.bfd: Include 64-bit support for i[3-7]86-*-solaris2*.
* elf64-x86-64.c (elf64_x86_64_section_from_shdr): New function.
(elf_backend_section_from_shdr): Define.
2004-10-08 Alan Modra <amodra@bigpond.net.au>
* syms.c (bfd_is_local_label): Return false for file symbols.

8
bfd/config.bfd
View File

@ -424,12 +424,18 @@ case "${targ}" in
targ_defvec=i386coff_vec
targ_selvecs=bfd_elf32_i386_vec
;;
i[3-7]86-*-sysv4* | i[3-7]86-*-unixware* | i[3-7]86-*-solaris2* | \
i[3-7]86-*-sysv4* | i[3-7]86-*-unixware* | \
i[3-7]86-*-elf | i[3-7]86-*-sco3.2v5* | \
i[3-7]86-*-dgux* | i[3-7]86-*-sysv5*)
targ_defvec=bfd_elf32_i386_vec
targ_selvecs=i386coff_vec
;;
i[3-7]86-*-solaris2*)
targ_defvec=bfd_elf32_i386_vec
targ_selvecs=i386coff_vec
targ64_selvecs=bfd_elf64_x86_64_vec
want64=true
;;
i[3-7]86-*-kaos*)
targ_defvec=bfd_elf32_i386_vec
targ_selvecs=bfd_elf32_i386_vec

18
bfd/elf64-x86-64.c
View File

@ -2782,6 +2782,21 @@ elf64_x86_64_plt_sym_val (bfd_vma i, const asection *plt,
return plt->vma + (i + 1) * PLT_ENTRY_SIZE;
}
/* Handle an x86-64 specific section when reading an object file. This
is called when elfcode.h finds a section with an unknown type. */
static bfd_boolean
elf64_x86_64_section_from_shdr (bfd *abfd, Elf_Internal_Shdr *hdr, const char *name)
{
if (hdr->sh_type != SHT_X86_64_UNWIND)
return FALSE;
if (! _bfd_elf_make_section_from_shdr (abfd, hdr, name))
return FALSE;
return TRUE;
}
#define TARGET_LITTLE_SYM bfd_elf64_x86_64_vec
#define TARGET_LITTLE_NAME "elf64-x86-64"
#define ELF_ARCH bfd_arch_i386
@ -2819,4 +2834,7 @@ elf64_x86_64_plt_sym_val (bfd_vma i, const asection *plt,
#define elf_backend_object_p elf64_x86_64_elf_object_p
#define bfd_elf64_mkobject elf64_x86_64_mkobject
#define elf_backend_section_from_shdr \
elf64_x86_64_section_from_shdr
#include "elf64-target.h"

5
binutils/ChangeLog
View File

@ -1,3 +1,8 @@
2004-10-08 Daniel Jacobowitz <dan@debian.org>
* readelf.c (get_x86_64_section_type_name): New function.
(get_section_type_name): Use it.
2004-10-08 Aaron W. LaFramboise <aaron98wiridge9@aaronwl.com>
* dlltool.c (make_one_lib_file): Revert 2004-09-02 and 2004-09-04

15
binutils/readelf.c
View File

@ -2404,6 +2404,18 @@ get_ia64_section_type_name (unsigned int sh_type)
return NULL;
}
static const char *
get_x86_64_section_type_name (unsigned int sh_type)
{
switch (sh_type)
{
case SHT_X86_64_UNWIND: return "X86_64_UNWIND";
default:
break;
}
return NULL;
}
static const char *
get_arm_section_type_name (unsigned int sh_type)
{
@ -2467,6 +2479,9 @@ get_section_type_name (unsigned int sh_type)
case EM_IA_64:
result = get_ia64_section_type_name (sh_type);
break;
case EM_X86_64:
result = get_x86_64_section_type_name (sh_type);
break;
case EM_ARM:
result = get_arm_section_type_name (sh_type);
break;

7
gas/ChangeLog
View File

@ -1,3 +1,10 @@
2004-10-08 Daniel Jacobowitz <dan@debian.org>
* config/tc-i386.c: Include "elf/x86-64.h".
(i386_elf_section_type): New function.
* config/tc-i386.h (md_elf_section_type): Define.
(i386_elf_section_type): New prototype.
2004-10-08 Linus Nielsen Feltzing <linus@haxx.se>
* config/m68k-parse.h (enum m68k_register): New control register,

12
gas/config/tc-i386.c
View File

@ -33,6 +33,7 @@
#include "dwarf2dbg.h"
#include "dw2gencfi.h"
#include "opcode/i386.h"
#include "elf/x86-64.h"
#ifndef REGISTER_WARNINGS
#define REGISTER_WARNINGS 1
@ -6348,3 +6349,14 @@ tc_x86_frame_initial_instructions (void)
cfi_add_CFA_def_cfa (sp_regno, -x86_cie_data_alignment);
cfi_add_CFA_offset (x86_dwarf2_return_column, x86_cie_data_alignment);
}
int
i386_elf_section_type (const char *str, size_t len)
{
if (flag_code == CODE_64BIT
&& len == sizeof ("unwind") - 1
&& strncmp (str, "unwind", 6) == 0)
return SHT_X86_64_UNWIND;
return -1;
}

3
gas/config/tc-i386.h
View File

@ -502,4 +502,7 @@ extern int tc_x86_regname_to_dw2regnum PARAMS ((const char *regname));
#define tc_cfi_frame_initial_instructions tc_x86_frame_initial_instructions
extern void tc_x86_frame_initial_instructions PARAMS ((void));
#define md_elf_section_type(str,len) i386_elf_section_type (str, len)
extern int i386_elf_section_type PARAMS ((const char *, size_t len));
#endif /* TC_I386 */

6
gas/testsuite/ChangeLog
View File

@ -1,3 +1,9 @@
2004-10-08 Daniel Jacobowitz <dan@debian.org>
* gas/i386/i386.exp: Don't run divide test for targets where '/'
is a comment. Run x86-64-unwind for 64-bit ELF targets.
* gas/i386/x86-64-unwind.d, gas/i386/x86-64-unwind.s: New.
2004-10-08 Alan Modra <amodra@bigpond.net.au>
* gas/cfi/cfi-common-4.d: Correct for 64 bit targets.

20
gas/testsuite/gas/i386/i386.exp
View File

@ -55,7 +55,17 @@ if [expr ([istarget "i*86-*-*"] || [istarget "x86_64-*-*"]) && [gas_32_check]]
run_dump_test "sse2"
run_dump_test "sub"
run_dump_test "prescott"
run_dump_test "divide"
if {![istarget "*-*-aix*"]
&& (![is_elf_format] || [istarget "*-*-linux*"]
|| [istarget "*-*-netbsd*"]
|| [istarget "*-*-freebsd*"]
|| [istarget "*-*-netware*"])} {
# Don't run this test on targets where '/' starts comments.
run_dump_test "divide"
}
run_dump_test "padlock"
# These tests require support for 8 and 16 bit relocs,
@ -107,5 +117,13 @@ if [expr ([istarget "i*86-*-*"] || [istarget "x86_64-*-*"]) && [gas_64_check]] t
run_dump_test "x86-64-rip"
run_list_test "x86-64-inval" "-al"
# For ELF targets verify that @unwind works.
if { ([istarget "*-*-elf*"] || [istarget "*-*-linux*"]
|| [istarget "*-*-solaris2.*"])
&& ![istarget *-*-linux*aout*]
&& ![istarget *-*-linux*oldld*] } then {
run_dump_test "x86-64-unwind"
}
set ASFLAGS "$old_ASFLAGS"
}

28
gas/testsuite/gas/i386/x86-64-unwind.d
View File

@ -0,0 +1,28 @@
#readelf: -S
#name: x86-64 unwind
There are 8 section headers, starting at offset 0x80:
Section Headers:
\[Nr\] Name Type Address Offset
Size EntSize Flags Link Info Align
\[ 0\] NULL 0000000000000000 00000000
0000000000000000 0000000000000000 0 0 0
\[ 1\] \.text PROGBITS 0000000000000000 00000040
0000000000000000 0000000000000000 AX 0 0 4
\[ 2\] \.data PROGBITS 0000000000000000 00000040
0000000000000000 0000000000000000 WA 0 0 4
\[ 3\] \.bss NOBITS 0000000000000000 00000040
0000000000000000 0000000000000000 WA 0 0 4
\[ 4\] \.eh_frame X86_64_UNWIND 0000000000000000 00000040
0000000000000008 0000000000000000 A 0 0 1
\[ 5\] \.shstrtab STRTAB 0000000000000000 00000048
0000000000000036 0000000000000000 0 0 1
\[ 6\] \.symtab SYMTAB 0000000000000000 00000280
0000000000000078 0000000000000018 7 5 8
\[ 7\] \.strtab STRTAB 0000000000000000 000002f8
0000000000000001 0000000000000000 0 0 1
Key to Flags:
W \(write\), A \(alloc\), X \(execute\), M \(merge\), S \(strings\)
I \(info\), L \(link order\), G \(group\), x \(unknown\)
O \(extra OS processing required\) o \(OS specific\), p \(processor specific\)

8
gas/testsuite/gas/i386/x86-64-unwind.s
View File

@ -0,0 +1,8 @@
# First create .eh_frame with the right type.
.section .eh_frame,"a",@unwind
.long 0
# Verify that switching back into .eh_frame does not change
# its type.
.section .eh_frame
.long 1

5
include/ChangeLog
View File

@ -1,3 +1,8 @@
2004-10-08 Daniel Jacobowitz <dan@debian.org>
* elf/common.h (PT_SUNW_EH_FRAME): Define.
* elf/x86-64.h (SHT_X86_64_UNWIND): Define.
2004-10-07 Bob Wilson <bob.wilson@acm.org>
* xtensa-config.h (XSHAL_USE_ABSOLUTE_LITERALS,

1
include/elf/common.h
View File

@ -290,6 +290,7 @@
#define PT_HIPROC 0x7FFFFFFF /* Processor-specific */
#define PT_GNU_EH_FRAME (PT_LOOS + 0x474e550) /* Frame unwind information */
#define PT_SUNW_EH_FRAME PT_GNU_EH_FRAME /* Solaris uses the same value */
#define PT_GNU_STACK (PT_LOOS + 0x474e551) /* Stack flags */
#define PT_GNU_RELRO (PT_LOOS + 0x474e552) /* Read-only after relocation */

4
include/elf/x86-64.h
View File

@ -53,4 +53,8 @@ START_RELOC_NUMBERS (elf_x86_64_reloc_type)
RELOC_NUMBER (R_X86_64_GNU_VTENTRY, 251) /* GNU C++ hack */
END_RELOC_NUMBERS (R_X86_64_max)
/* Processor specific section types. */
#define SHT_X86_64_UNWIND 0x70000001 /* unwind information */
#endif

4
ld/ChangeLog
View File

@ -1,3 +1,7 @@
2004-10-08 Daniel Jacobowitz <dan@debian.org>
* configure.tgt: Include elf_x86_64 for i[3-7]86-*-solaris2*.
2004-10-07 Bob Wilson <bob.wilson@acm.org>
* ld.texinfo (Xtensa): Describe new linker relaxation to optimize

2
ld/configure.tgt
View File

@ -169,7 +169,7 @@ x86_64-*-linux-gnu*) targ_emul=elf_x86_64
;;
i[3-7]86-*-sysv[45]*) targ_emul=elf_i386 ;;
i[3-7]86-*-solaris2*) targ_emul=elf_i386_ldso
targ_extra_emuls="elf_i386"
targ_extra_emuls="elf_i386 elf_x86_64"
;;
i[3-7]86-*-unixware) targ_emul=elf_i386 ;;
i[3-7]86-*-solaris*) targ_emul=elf_i386_ldso

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