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unwind-dw2-fde.c (get_cie_encoding): Handle dwarf3 CIE format.

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* unwind-dw2-fde.c (get_cie_encoding): Handle dwarf3 CIE format.
	* unwind-dw2.c (extract_cie_info): Ditto.
	(_Unwind_FrameState): Change retaddr_column to word type.

From-SVN: r82072
This commit is contained in:
Paul Brook 2004-05-20 22:34:58 +00:00 committed by Paul Brook
parent f4085d4c0b
commit 0ef54a47cf
3 changed files with 15 additions and 3 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2004-05-20 Paul Brook <paul@codesourcery.com>
* unwind-dw2-fde.c (get_cie_encoding): Handle dwarf3 CIE format.
* unwind-dw2.c (extract_cie_info): Ditto.
(_Unwind_FrameState): Change retaddr_column to word type.
2004-05-20 Roger Sayle <roger@eyesopen.com>
PR middle-end/3074

5
gcc/unwind-dw2-fde.c
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@ -276,7 +276,10 @@ get_cie_encoding (const struct dwarf_cie *cie)
p = aug + strlen (aug) + 1; /* Skip the augmentation string. */
p = read_uleb128 (p, &utmp); /* Skip code alignment. */
p = read_sleb128 (p, &stmp); /* Skip data alignment. */
p++; /* Skip return address column. */
if (cie->version == 1) /* Skip return address column. */
p++;
else
p = read_uleb128 (p, &utmp);
aug++; /* Skip 'z' */
p = read_uleb128 (p, &utmp); /* Skip augmentation length. */

7
gcc/unwind-dw2.c
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@ -133,7 +133,7 @@ typedef struct
_Unwind_Personality_Fn personality;
_Unwind_Sword data_align;
_Unwind_Word code_align;
unsigned char retaddr_column;
_Unwind_Word retaddr_column;
unsigned char fde_encoding;
unsigned char lsda_encoding;
unsigned char saw_z;
@ -337,7 +337,10 @@ extract_cie_info (const struct dwarf_cie *cie, struct _Unwind_Context *context,
data alignment and return address column. */
p = read_uleb128 (p, &fs->code_align);
p = read_sleb128 (p, &fs->data_align);
fs->retaddr_column = *p++;
if (cie->version == 1)
fs->retaddr_column = *p++;
else
p = read_uleb128 (p, &fs->retaddr_column);
fs->lsda_encoding = DW_EH_PE_omit;
/* If the augmentation starts with 'z', then a uleb128 immediately