54 lines
2.2 KiB
Diff
54 lines
2.2 KiB
Diff
http://sourceware.org/ml/gdb-cvs/2011-01/msg00169.html
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### src/gdb/ChangeLog 2011/01/25 17:00:23 1.12503
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### src/gdb/ChangeLog 2011/01/25 17:25:10 1.12504
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## -1,3 +1,8 @@
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+2011-01-25 Jan Kratochvil <jan.kratochvil@redhat.com>
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+
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+ * dwarf2read.c (dwarf2_read_index, write_psymtabs_to_index)
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+ (save_gdb_index_command): Switch to .gdb_index version 4.
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+
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2011-01-25 Pedro Alves <pedro@codesourcery.com>
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* mi/mi-main.c (get_register): Use get_frame_register_value rather
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Index: gdb-7.2/gdb/dwarf2read.c
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===================================================================
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--- gdb-7.2.orig/gdb/dwarf2read.c 2011-01-25 18:56:43.000000000 +0100
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+++ gdb-7.2/gdb/dwarf2read.c 2011-01-25 18:57:45.000000000 +0100
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@@ -1905,9 +1905,14 @@ dwarf2_read_index (struct objfile *objfi
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/* Version check. */
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version = MAYBE_SWAP (*(offset_type *) addr);
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/* Versions earlier than 3 emitted every copy of a psymbol. This
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- causes the index to behave very poorly for certain requests. So,
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- it seems better to just ignore such indices. */
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- if (version < 3)
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+ causes the index to behave very poorly for certain requests. Version 4
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+ contained incomplete addrmap. So, it seems better to just ignore such
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+ indices. */
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+ if (version < 4)
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+ return 0;
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+ /* Indexes with higher version than the one supported by GDB may be no
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+ longer backward compatible. */
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+ if (version > 4)
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return 0;
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map = OBSTACK_ZALLOC (&objfile->objfile_obstack, struct mapped_index);
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@@ -15029,7 +15034,7 @@ write_psymtabs_to_index (struct objfile
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total_len = size_of_contents;
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/* The version number. */
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- val = MAYBE_SWAP (3);
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+ val = MAYBE_SWAP (4);
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obstack_grow (&contents, &val, sizeof (val));
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/* The offset of the CU list from the start of the file. */
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@@ -15087,7 +15092,7 @@ write_psymtabs_to_index (struct objfile
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1. The file header. This is a sequence of values, of offset_type
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unless otherwise noted:
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- [0] The version number, currently 3. Versions 1 and 2 are
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+ [0] The version number, currently 4. Versions 1, 2 and 3 are
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obsolete.
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[1] The offset, from the start of the file, of the CU list.
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[2] The offset, from the start of the file, of the types CU list.
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