aboutsummaryrefslogtreecommitdiff
path: root/gas
diff options
context:
space:
mode:
authorH.J. Lu <hjl.tools@gmail.com>2011-03-05 02:16:36 +0000
committerH.J. Lu <hjl.tools@gmail.com>2011-03-05 02:16:36 +0000
commitac480657f156d963e5910b958c7b64fcee955f88 (patch)
tree5bf00ac371f513d42ee2d4c98b290066f26c689f /gas
parentda3ecdc6646f015c02e4414ff54251382b252663 (diff)
downloadgdb-ac480657f156d963e5910b958c7b64fcee955f88.zip
gdb-ac480657f156d963e5910b958c7b64fcee955f88.tar.gz
gdb-ac480657f156d963e5910b958c7b64fcee955f88.tar.bz2
Set x86_cie_data_alignment to -4 for x32.
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.
Diffstat (limited to 'gas')
-rw-r--r--gas/ChangeLog9
-rw-r--r--gas/config/tc-i386.c13
-rw-r--r--gas/testsuite/ChangeLog4
-rw-r--r--gas/testsuite/gas/i386/ilp32/cfi/cfi-x86_64.d6
4 files changed, 26 insertions, 6 deletions
diff --git a/gas/ChangeLog b/gas/ChangeLog
index f53dd03..7688f52 100644
--- a/gas/ChangeLog
+++ b/gas/ChangeLog
@@ -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
diff --git a/gas/config/tc-i386.c b/gas/config/tc-i386.c
index 5cc8219..d278172 100644
--- a/gas/config/tc-i386.c
+++ b/gas/config/tc-i386.c
@@ -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
- x86_cie_data_alignment = -8;
+ 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
diff --git a/gas/testsuite/ChangeLog b/gas/testsuite/ChangeLog
index c4fbd0a..56b8823 100644
--- a/gas/testsuite/ChangeLog
+++ b/gas/testsuite/ChangeLog
@@ -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
diff --git a/gas/testsuite/gas/i386/ilp32/cfi/cfi-x86_64.d b/gas/testsuite/gas/i386/ilp32/cfi/cfi-x86_64.d
index f1aa45e..27dd2f5 100644
--- a/gas/testsuite/gas/i386/ilp32/cfi/cfi-x86_64.d
+++ b/gas/testsuite/gas/i386/ilp32/cfi/cfi-x86_64.d
@@ -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