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* gdb/dwarf2-frame.c (decode_frame_entry_1): Decode version 3 CIE

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records.
This commit is contained in:
Paul Brook 2004-06-08 13:34:56 +00:00
parent f26caa1115
commit 28ba0b33be
2 changed files with 17 additions and 3 deletions
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5
gdb/ChangeLog
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@ -1,3 +1,8 @@
2004-06-06 Paul Brook <paul@codesourcery.com>
* gdb/dwarf2-frame.c (decode_frame_entry_1): Decode version 3 CIE
records.
2004-06-08 Paul N. Hilfinger <Hilfinger@gnat.com> 2004-06-08 Paul N. Hilfinger <Hilfinger@gnat.com>
* ada-lang.c (lookup_symbol_in_language): New function to allow * ada-lang.c (lookup_symbol_in_language): New function to allow

15
gdb/dwarf2-frame.c
View File

@ -1268,6 +1268,7 @@ decode_frame_entry_1 (struct comp_unit *unit, char *start, int eh_frame_p)
/* This is a CIE. */ /* This is a CIE. */
struct dwarf2_cie *cie; struct dwarf2_cie *cie;
char *augmentation; char *augmentation;
unsigned int cie_version;
/* Record the offset into the .debug_frame section of this CIE. */ /* Record the offset into the .debug_frame section of this CIE. */
cie_pointer = start - unit->dwarf_frame_buffer; cie_pointer = start - unit->dwarf_frame_buffer;
@ -1288,7 +1289,8 @@ decode_frame_entry_1 (struct comp_unit *unit, char *start, int eh_frame_p)
cie->encoding = encoding_for_size (unit->addr_size); cie->encoding = encoding_for_size (unit->addr_size);
/* Check version number. */ /* Check version number. */
if (read_1_byte (unit->abfd, buf) != DW_CIE_VERSION) cie_version = read_1_byte (unit->abfd, buf);
if (cie_version != 1 && cie_version != 3)
return NULL; return NULL;
buf += 1; buf += 1;
@ -1314,8 +1316,15 @@ decode_frame_entry_1 (struct comp_unit *unit, char *start, int eh_frame_p)
read_signed_leb128 (unit->abfd, buf, &bytes_read); read_signed_leb128 (unit->abfd, buf, &bytes_read);
buf += bytes_read; buf += bytes_read;
cie->return_address_register = read_1_byte (unit->abfd, buf); if (cie_version == 1)
buf += 1; {
cie->return_address_register = read_1_byte (unit->abfd, buf);
bytes_read = 1;
}
else
cie->return_address_register = read_unsigned_leb128 (unit->abfd, buf,
&bytes_read);
buf += bytes_read;
cie->saw_z_augmentation = (*augmentation == 'z'); cie->saw_z_augmentation = (*augmentation == 'z');
if (cie->saw_z_augmentation) if (cie->saw_z_augmentation)