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Handle dwarf3 format CIE entries.

This commit is contained in:
Nick Clifton 2004-05-13 14:41:18 +00:00
parent 4b36307329
commit 0da76f83eb
6 changed files with 49 additions and 8 deletions
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5
bfd/ChangeLog
View File

@ -1,3 +1,8 @@
2004-05-13 Paul Brook <paul@codesourcery.com>
* eh-frame.c (_bfd_elf_discard_section_eh_frame): Handle dwarf3
format CIE entries.
2004-05-13 Joel Sherrill <joel@oarcorp.com>
* config.bfd (or32-*-rtems*): Switch to elf.

7
bfd/elf-eh-frame.c
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@ -1,5 +1,5 @@
/* .eh_frame section optimization.
Copyright 2001, 2002, 2003 Free Software Foundation, Inc.
Copyright 2001, 2002, 2003, 2004 Free Software Foundation, Inc.
Written by Jakub Jelinek <jakub@redhat.com>.
This file is part of BFD, the Binary File Descriptor library.
@ -410,7 +410,7 @@ _bfd_elf_discard_section_eh_frame
cie.version = *buf++;
/* Cannot handle unknown versions. */
if (cie.version != 1)
if (cie.version != 1 && cie.version != 3)
goto free_no_table;
if (strlen (buf) > sizeof (cie.augmentation) - 1)
goto free_no_table;
@ -434,6 +434,9 @@ _bfd_elf_discard_section_eh_frame
ports this will not matter as the value will be less than 128.
For the others (eg FRV, SH, MMIX, IA64) they need a fixed GCC
which conforms to the DWARF3 standard. */
if (cie.version == 1)
cie.ra_column = *buf++;
else
read_uleb128 (cie.ra_column, buf);
ENSURE_NO_RELOCS (buf);
cie.lsda_encoding = DW_EH_PE_omit;

5
binutils/ChangeLog
View File

@ -1,3 +1,8 @@
2004-05-13 Paul Brook <paul@codesourcery.com>
* readelf.c (display_debug_frames): Handle dwarf3 format CIE
entries.
2004-05-13 Nick Clifton <nickc@redhat.com>
* po/fr.po: Updated French translation.

29
binutils/readelf.c
View File

@ -1,5 +1,5 @@
/* readelf.c -- display contents of an ELF format file
Copyright 1998, 1999, 2000, 2001, 2002, 2003 Free Software Foundation, Inc.
Copyright 1998, 1999, 2000, 2001, 2002, 2003, 2004 Free Software Foundation, Inc.
Originally developed by Eric Youngdale <eric@andante.jic.com>
Modifications by Nick Clifton <nickc@redhat.com>
@ -8968,7 +8968,14 @@ display_debug_frames (Elf_Internal_Shdr *section,
{
fc->code_factor = LEB ();
fc->data_factor = SLEB ();
fc->ra = byte_get (start, 1); start += 1;
if (version == 1)
{
fc->ra = GET (1);
}
else
{
fc->ra = LEB ();
}
augmentation_data_len = LEB ();
augmentation_data = start;
start += augmentation_data_len;
@ -8978,13 +8985,27 @@ display_debug_frames (Elf_Internal_Shdr *section,
start += addr_size;
fc->code_factor = LEB ();
fc->data_factor = SLEB ();
fc->ra = byte_get (start, 1); start += 1;
if (version == 1)
{
fc->ra = GET (1);
}
else
{
fc->ra = LEB ();
}
}
else
{
fc->code_factor = LEB ();
fc->data_factor = SLEB ();
fc->ra = byte_get (start, 1); start += 1;
if (version == 1)
{
fc->ra = GET (1);
}
else
{
fc->ra = LEB ();
}
}
cie = fc;

4
gas/ChangeLog
View File

@ -1,3 +1,7 @@
2004-05-13 Paul Brook <paul@codesourcery.com>
* dw2gencfi.c (output_cie): Handle dwarf3 format CIE entries.
2004-05-13 Joel Sherrill <joel@oarcorp.com>
* configure.in (or32-*-rtems*): Switch to elf.

5
gas/dw2gencfi.c
View File

@ -845,7 +845,10 @@ output_cie (struct cie_entry *cie)
out_one (0);
out_uleb128 (DWARF2_LINE_MIN_INSN_LENGTH); /* Code alignment */
out_sleb128 (DWARF2_CIE_DATA_ALIGNMENT); /* Data alignment */
out_one (cie->return_column); /* Return column */
if (DW_CIE_VERSION == 1) /* Return column. */
out_one (cie->return_column);
else
out_uleb128 (cie->return_column);
out_uleb128 (1); /* Augmentation size */
#if defined DIFF_EXPR_OK || defined tc_cfi_emit_pcrel_expr
out_one (DW_EH_PE_pcrel | DW_EH_PE_sdata4);