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Add block::function_block

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This adds the method block::function_block, to easily access a block's
enclosing function block.
This commit is contained in:
Tom Tromey 2023-10-24 07:53:29 -06:00
parent edf1b9640b
commit ba707cadae
2 changed files with 19 additions and 0 deletions
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13
gdb/block.c
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@ -378,6 +378,19 @@ block::global_block () const
/* See block.h. */ /* See block.h. */
const struct block *
block::function_block () const
{
const block *block = this;
while (block != nullptr && block->function () == nullptr)
block = block->superblock ();
return block;
}
/* See block.h. */
void void
block::set_compunit_symtab (struct compunit_symtab *cu) block::set_compunit_symtab (struct compunit_symtab *cu)
{ {

6
gdb/block.h
View File

@ -273,6 +273,12 @@ struct block : public allocate_on_obstack
bool is_global_block () const bool is_global_block () const
{ return superblock () == nullptr; } { return superblock () == nullptr; }
/* Return the function block for this block. Returns nullptr if
there is no enclosing function, i.e., if this block is a static
or global block. */
const struct block *function_block () const;
/* Set the compunit of this block, which must be a global block. */ /* Set the compunit of this block, which must be a global block. */
void set_compunit_symtab (struct compunit_symtab *); void set_compunit_symtab (struct compunit_symtab *);