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Set x86_cie_data_alignment to -4 for x32.

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gas/

2011-03-04  H.J. Lu  <hongjiu.lu@intel.com>

	* config/tc-i386.c (x86_cie_stack_alignment): New.
	(md_begin): Set x86_cie_data_alignment if it isn't set.  Set
	x86_cie_stack_alignment.
	(i386_target_format): Set x86_cie_data_alignment to -4 for x32.
	(tc_x86_frame_initial_instructions): Use x86_cie_stack_alignment
	instead of x86_cie_data_alignment on SP and RA.

gas/testsuite/

2011-03-04  H.J. Lu  <hongjiu.lu@intel.com>

	* gas/i386/ilp32/cfi/cfi-x86_64.d: Updated.
This commit is contained in:
H.J. Lu 2011-03-05 02:16:36 +00:00
parent da3ecdc664
commit ac480657f1
4 changed files with 26 additions and 6 deletions
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9
gas/ChangeLog
View file

@ -1,3 +1,12 @@
2011-03-04 H.J. Lu <hongjiu.lu@intel.com>
* config/tc-i386.c (x86_cie_stack_alignment): New.
(md_begin): Set x86_cie_data_alignment if it isn't set. Set
x86_cie_stack_alignment.
(i386_target_format): Set x86_cie_data_alignment to -4 for x32.
(tc_x86_frame_initial_instructions): Use x86_cie_stack_alignment
instead of x86_cie_data_alignment on SP and RA.
2011-03-02 Nick Clifton <nickc@redhat.com>
* ecoff.c: Incldue filenames.h

11
gas/config/tc-i386.c
View file

@ -502,6 +502,9 @@ unsigned int x86_dwarf2_return_column;
/* The dwarf2 data alignment, adjusted for 32 or 64 bit. */
int x86_cie_data_alignment;
/* The dwarf2 stack alignment, adjusted for 32 or 64 bit. */
static int x86_cie_stack_alignment;
/* Interface to relax_segment.
There are 3 major relax states for 386 jump insns because the
different types of jumps add different sizes to frags when we're
@ -2378,12 +2381,15 @@ md_begin ()
#else
x86_dwarf2_return_column = 16;
#endif
if (!x86_cie_data_alignment)
x86_cie_data_alignment = -8;
x86_cie_stack_alignment = -8;
}
else
{
x86_dwarf2_return_column = 8;
x86_cie_data_alignment = -4;
x86_cie_stack_alignment = -4;
}
}
@ -8636,6 +8642,7 @@ i386_target_format (void)
use_rela_relocations = 1;
object_64bit = 1;
disallow_64bit_reloc = 1;
x86_cie_data_alignment = -4;
format = ELF_TARGET_FORMAT32;
break;
}
@ -9045,8 +9052,8 @@ tc_x86_frame_initial_instructions (void)
input_line_pointer = saved_input;
}
cfi_add_CFA_def_cfa (sp_regno[flag_code >> 1], -x86_cie_data_alignment);
cfi_add_CFA_offset (x86_dwarf2_return_column, x86_cie_data_alignment);
cfi_add_CFA_def_cfa (sp_regno[flag_code >> 1], -x86_cie_stack_alignment);
cfi_add_CFA_offset (x86_dwarf2_return_column, x86_cie_stack_alignment);
}
int

4
gas/testsuite/ChangeLog
View file

@ -1,3 +1,7 @@
2011-03-04 H.J. Lu <hongjiu.lu@intel.com>
* gas/i386/ilp32/cfi/cfi-x86_64.d: Updated.
2011-02-28 Maciej W. Rozycki <macro@codesourcery.com>
* gas/mips/alnv_ps-swap.d: New test for ALNV.PS instruction

6
gas/testsuite/gas/i386/ilp32/cfi/cfi-x86_64.d
View file

@ -7,7 +7,7 @@ Contents of the .eh_frame section:
Version: 1
Augmentation: "zR"
Code alignment factor: 1
Data alignment factor: -8
Data alignment factor: -4
Return address column: 16
Augmentation data: 1b
@ -55,7 +55,7 @@ Contents of the .eh_frame section:
Version: 1
Augmentation: "zR"
Code alignment factor: 1
Data alignment factor: -8
Data alignment factor: -4
Return address column: 16
Augmentation data: 1b
@ -88,7 +88,7 @@ Contents of the .eh_frame section:
Version: 1
Augmentation: "zR"
Code alignment factor: 1
Data alignment factor: -8
Data alignment factor: -4
Return address column: 16
Augmentation data: 1b