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authorMark Kettenis <kettenis@gnu.org>2004-11-04 21:15:15 +0000
committerMark Kettenis <kettenis@gnu.org>2004-11-04 21:15:15 +0000
commita81b10aef7a31ca324e3588f6c646359c3a77204 (patch)
tree0662decc22ba9c1d5ea88b71834798bea6dc2798 /gdb
parentc3c766200ae4047a1d73cccc6f98ee04b02f61b2 (diff)
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* dwarf2-frame.c (read_encoded_value): Change type of third
argument to `unsigned char *'. Add support for LEB128 encodings.
Diffstat (limited to 'gdb')
-rw-r--r--gdb/ChangeLog5
-rw-r--r--gdb/dwarf2-frame.c20
2 files changed, 22 insertions, 3 deletions
diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index b0c52ea..da910ab 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,8 @@
+2004-11-04 Mark Kettenis <kettenis@gnu.org>
+
+ * dwarf2-frame.c (read_encoded_value): Change type of third
+ argument to `unsigned char *'. Add support for LEB128 encodings.
+
2004-11-04 Jim Blandy <jimb@redhat.com>
* gdbtypes.c (make_qualified_type): Doc fix. Add assertion to
diff --git a/gdb/dwarf2-frame.c b/gdb/dwarf2-frame.c
index c96b673..ba96927 100644
--- a/gdb/dwarf2-frame.c
+++ b/gdb/dwarf2-frame.c
@@ -1067,7 +1067,7 @@ size_of_encoded_value (unsigned char encoding)
static CORE_ADDR
read_encoded_value (struct comp_unit *unit, unsigned char encoding,
- char *buf, unsigned int *bytes_read_ptr)
+ unsigned char *buf, unsigned int *bytes_read_ptr)
{
int ptr_len = size_of_encoded_value (DW_EH_PE_absptr);
ptrdiff_t offset;
@@ -1088,7 +1088,7 @@ read_encoded_value (struct comp_unit *unit, unsigned char encoding,
break;
case DW_EH_PE_pcrel:
base = bfd_get_section_vma (unit->bfd, unit->dwarf_frame_section);
- base += (buf - unit->dwarf_frame_buffer);
+ base += ((char *) buf - unit->dwarf_frame_buffer);
break;
case DW_EH_PE_datarel:
base = unit->dbase;
@@ -1106,7 +1106,7 @@ read_encoded_value (struct comp_unit *unit, unsigned char encoding,
break;
case DW_EH_PE_aligned:
base = 0;
- offset = buf - unit->dwarf_frame_buffer;
+ offset = (char *) buf - unit->dwarf_frame_buffer;
if ((offset % ptr_len) != 0)
{
*bytes_read_ptr = ptr_len - (offset % ptr_len);
@@ -1122,6 +1122,13 @@ read_encoded_value (struct comp_unit *unit, unsigned char encoding,
switch (encoding & 0x0f)
{
+ case DW_EH_PE_uleb128:
+ {
+ ULONGEST value;
+ unsigned char *end_buf = buf + (sizeof (value) + 1) * 8 / 7;
+ *bytes_read_ptr = read_uleb128 (buf, end_buf, &value) - buf;
+ return base + value;
+ }
case DW_EH_PE_udata2:
*bytes_read_ptr += 2;
return (base + bfd_get_16 (unit->abfd, (bfd_byte *) buf));
@@ -1131,6 +1138,13 @@ read_encoded_value (struct comp_unit *unit, unsigned char encoding,
case DW_EH_PE_udata8:
*bytes_read_ptr += 8;
return (base + bfd_get_64 (unit->abfd, (bfd_byte *) buf));
+ case DW_EH_PE_sleb128:
+ {
+ LONGEST value;
+ char *end_buf = buf + (sizeof (value) + 1) * 8 / 7;
+ *bytes_read_ptr = read_sleb128 (buf, end_buf, &value) - buf;
+ return base + value;
+ }
case DW_EH_PE_sdata2:
*bytes_read_ptr += 2;
return (base + bfd_get_signed_16 (unit->abfd, (bfd_byte *) buf));