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* block.c (find_block_in_blockvector): Make explicit the fact that we

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ignore GLOBAL_BLOCK.
This commit is contained in:
Doug Evans 2012-06-18 20:31:26 +00:00
parent 4cd182151a
commit 6ac9ef80f5
2 changed files with 13 additions and 3 deletions
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5
gdb/ChangeLog
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@ -1,3 +1,8 @@
2012-06-18 Doug Evans <dje@google.com>
* block.c (find_block_in_blockvector): Make explicit the fact that we
ignore GLOBAL_BLOCK.
2012-06-18 Tom Tromey <tromey@redhat.com>
* c-exp.y (operator): Remove trailing space after "delete" and

11
gdb/block.c
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@ -118,8 +118,13 @@ find_block_in_blockvector (struct blockvector *bl, CORE_ADDR pc)
return addrmap_find (BLOCKVECTOR_MAP (bl), pc);
/* Otherwise, use binary search to find the last block that starts
before PC. */
bot = 0;
before PC.
Note: GLOBAL_BLOCK is block 0, STATIC_BLOCK is block 1.
They both have the same START,END values.
Historically this code would choose STATIC_BLOCK over GLOBAL_BLOCK but the
fact that this choice was made was subtle, now we make it explicit. */
gdb_assert (BLOCKVECTOR_NBLOCKS (bl) >= 2);
bot = STATIC_BLOCK;
top = BLOCKVECTOR_NBLOCKS (bl);
while (top - bot > 1)
@ -134,7 +139,7 @@ find_block_in_blockvector (struct blockvector *bl, CORE_ADDR pc)
/* Now search backward for a block that ends after PC. */
while (bot >= 0)
while (bot >= STATIC_BLOCK)
{
b = BLOCKVECTOR_BLOCK (bl, bot);
if (BLOCK_END (b) > pc)