From: Paul Brook <paul@codesourcery.com>
Date: Thu, 20 May 2004 22:34:58 +0000 (+0000)
Subject: unwind-dw2-fde.c (get_cie_encoding): Handle dwarf3 CIE format.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=0ef54a47cf6012a588dc89ce63d2cf8d3106414f;p=gcc.git

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

	* 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
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index bc2efca0ab5..60fe09b2ad6 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -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
diff --git a/gcc/unwind-dw2-fde.c b/gcc/unwind-dw2-fde.c
index 74e64e5eb80..2a81e3676cc 100644
--- a/gcc/unwind-dw2-fde.c
+++ b/gcc/unwind-dw2-fde.c
@@ -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.  */
diff --git a/gcc/unwind-dw2.c b/gcc/unwind-dw2.c
index 70d32215c7f..b99b7007a00 100644
--- a/gcc/unwind-dw2.c
+++ b/gcc/unwind-dw2.c
@@ -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