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gdb: add compunit_symtab::set_primary_filetab method

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Add a method to set the primary filetab of the CU.  This is currently
done in buildsym_compunit::end_symtab_with_blockvector.

Change-Id: I16c51a6b90a4cb4c0c5f183b0f2e12bc64b6fd74
This commit is contained in:
Simon Marchi
2021-11-19 21:14:36 -05:00
committed by Simon Marchi
parent 43b49762a1
commit 36664835fa
3 changed files with 36 additions and 22 deletions
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24
gdb/buildsym.c
View File

@@ -996,28 +996,8 @@ buildsym_compunit::end_symtab_with_blockvector (struct block *static_block,
symtab->language = subfile->language;
}
/* Make sure the symtab of main_subfile is the first in its list. */
{
struct symtab *main_symtab, *prev_symtab;
main_symtab = m_main_subfile->symtab;
prev_symtab = NULL;
for (symtab *symtab : compunit_filetabs (cu))
{
if (symtab == main_symtab)
{
if (prev_symtab != NULL)
{
prev_symtab->next = main_symtab->next;
main_symtab->next = COMPUNIT_FILETABS (cu);
COMPUNIT_FILETABS (cu) = main_symtab;
}
break;
}
prev_symtab = symtab;
}
gdb_assert (main_symtab == COMPUNIT_FILETABS (cu));
}
/* Make sure the filetab of main_subfile is the primary filetab of the CU. */
cu->set_primary_filetab (m_main_subfile->symtab);
/* Fill out the compunit symtab. */

28
gdb/symtab.c
View File

@@ -361,6 +361,34 @@ compunit_symtab::set_call_site_htab (htab_t call_site_htab)
/* See symtab.h. */
void
compunit_symtab::set_primary_filetab (symtab *primary_filetab)
{
symtab *prev_filetab = nullptr;
/* Move PRIMARY_FILETAB to the head of the filetab list. */
for (symtab *filetab : compunit_filetabs (this))
{
if (filetab == primary_filetab)
{
if (prev_filetab != nullptr)
{
prev_filetab->next = primary_filetab->next;
primary_filetab->next = this->filetabs;
this->filetabs = primary_filetab;
}
break;
}
prev_filetab = filetab;
}
gdb_assert (primary_filetab == this->filetabs);
}
/* See symtab.h. */
struct symtab *
compunit_symtab::primary_filetab () const
{

6
gdb/symtab.h
View File

@@ -1473,6 +1473,12 @@ struct compunit_symtab
}
}
/* Make PRIMARY_FILETAB the primary filetab of this compunit symtab.
PRIMARY_FILETAB must already be a filetab of this compunit symtab. */
void set_primary_filetab (symtab *primary_filetab);
/* Return the primary filetab of the compunit. */
symtab *primary_filetab () const;