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authorCorinna Vinschen <corinna@vinschen.de>2003-10-03 08:08:27 +0000
committerCorinna Vinschen <corinna@vinschen.de>2003-10-03 08:08:27 +0000
commit0fd8504376c457ec76beea2c3769bea717c1748f (patch)
tree448a2057857083985510f883460d208ae26182bd
parentb079391aac3a3f43f136143a911fa482ad0ccce5 (diff)
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* dwarf2-frame.c (struct comp_unit): Add tbase member to store
base for DW_EH_PE_textrel encodings. (read_encoded_value): Add a DW_EH_PE_textrel case. (dwarf2_build_frame_info): Set unit.tbase to beginning of text section.
-rw-r--r--gdb/ChangeLog8
-rw-r--r--gdb/dwarf2-frame.c14
2 files changed, 21 insertions, 1 deletions
diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 5afdddc..2c50236 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,11 @@
+2003-10-03 Corinna Vinschen <vinschen@redhat.com>
+
+ * dwarf2-frame.c (struct comp_unit): Add tbase member to store
+ base for DW_EH_PE_textrel encodings.
+ (read_encoded_value): Add a DW_EH_PE_textrel case.
+ (dwarf2_build_frame_info): Set unit.tbase to beginning of text
+ section.
+
2003-10-03 Mark Kettenis <kettenis@gnu.org>
* dwarf2-frame.c (dwarf2_build_frame_info): Fix comment.
diff --git a/gdb/dwarf2-frame.c b/gdb/dwarf2-frame.c
index 2f5502e..b46a382 100644
--- a/gdb/dwarf2-frame.c
+++ b/gdb/dwarf2-frame.c
@@ -885,6 +885,9 @@ struct comp_unit
/* Base for DW_EH_PE_datarel encodings. */
bfd_vma dbase;
+
+ /* Base for DW_EH_PE_textrel encodings. */
+ bfd_vma tbase;
};
const struct objfile_data *dwarf2_frame_data;
@@ -1063,6 +1066,9 @@ read_encoded_value (struct comp_unit *unit, unsigned char encoding,
case DW_EH_PE_datarel:
base = unit->dbase;
break;
+ case DW_EH_PE_textrel:
+ base = unit->tbase;
+ break;
case DW_EH_PE_aligned:
base = 0;
offset = buf - unit->dwarf_frame_buffer;
@@ -1523,12 +1529,13 @@ dwarf2_build_frame_info (struct objfile *objfile)
unit.objfile = objfile;
unit.addr_size = objfile->obfd->arch_info->bits_per_address / 8;
unit.dbase = 0;
+ unit.tbase = 0;
/* First add the information from the .eh_frame section. That way,
the FDEs from that section are searched last. */
if (dwarf_eh_frame_offset)
{
- asection *got;
+ asection *got, *txt;
unit.cie = NULL;
unit.dwarf_frame_buffer = dwarf2_read_section (objfile,
@@ -1547,6 +1554,11 @@ dwarf2_build_frame_info (struct objfile *objfile)
if (got)
unit.dbase = got->vma;
+ /* GCC emits the DW_EH_PE_textrel encoding type on sh and ia64 so far. */
+ txt = bfd_get_section_by_name (unit.abfd, ".text");
+ if (txt)
+ unit.tbase = txt->vma;
+
frame_ptr = unit.dwarf_frame_buffer;
while (frame_ptr < unit.dwarf_frame_buffer + unit.dwarf_frame_size)
frame_ptr = decode_frame_entry (&unit, frame_ptr, 1);