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[gdb/symtab] Add reset_compunit_symtab

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Add a new function reset_compunit_symtab.
This commit is contained in:
Tom de Vries
2021-06-12 10:46:05 +02:00
parent af7349863c
commit ad5096892c
3 changed files with 22 additions and 1 deletions
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14
gdb/dwarf2/read.c
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@@ -1729,7 +1729,8 @@ dwarf2_per_objfile::set_symtab (const dwarf2_per_cu_data *per_cu,
compunit_symtab *symtab) compunit_symtab *symtab)
{ {
gdb_assert (per_cu->index < this->m_symtabs.size ()); gdb_assert (per_cu->index < this->m_symtabs.size ());
gdb_assert (this->m_symtabs[per_cu->index] == nullptr); gdb_assert (this->m_symtabs[per_cu->index] == nullptr
|| symtab == nullptr);
this->m_symtabs[per_cu->index] = symtab; this->m_symtabs[per_cu->index] = symtab;
} }
@@ -5674,6 +5675,10 @@ struct dwarf2_include_psymtab : public partial_symtab
return nullptr; return nullptr;
} }
void reset_compunit_symtab (struct objfile *objfile) override
{
}
private: private:
partial_symtab *includer () const partial_symtab *includer () const
{ {
@@ -8587,6 +8592,13 @@ dwarf2_psymtab::get_compunit_symtab (struct objfile *objfile) const
return per_objfile->get_symtab (per_cu_data); return per_objfile->get_symtab (per_cu_data);
} }
void
dwarf2_psymtab::reset_compunit_symtab (struct objfile *objfile)
{
dwarf2_per_objfile *per_objfile = get_dwarf2_per_objfile (objfile);
per_objfile->set_symtab (per_cu_data, nullptr);
}
/* Trivial hash function for die_info: the hash value of a DIE /* Trivial hash function for die_info: the hash value of a DIE
is its offset in .debug_info for this objfile. */ is its offset in .debug_info for this objfile. */

1
gdb/dwarf2/read.h
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@@ -626,6 +626,7 @@ struct dwarf2_psymtab : public partial_symtab
void expand_psymtab (struct objfile *) override; void expand_psymtab (struct objfile *) override;
bool readin_p (struct objfile *) const override; bool readin_p (struct objfile *) const override;
compunit_symtab *get_compunit_symtab (struct objfile *) const override; compunit_symtab *get_compunit_symtab (struct objfile *) const override;
void reset_compunit_symtab (struct objfile *) override;
struct dwarf2_per_cu_data *per_cu_data; struct dwarf2_per_cu_data *per_cu_data;
}; };

8
gdb/psympriv.h
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@@ -173,6 +173,9 @@ struct partial_symtab
virtual struct compunit_symtab *get_compunit_symtab virtual struct compunit_symtab *get_compunit_symtab
(struct objfile *) const = 0; (struct objfile *) const = 0;
virtual void reset_compunit_symtab
(struct objfile *) = 0;
/* Return the raw low text address of this partial_symtab. */ /* Return the raw low text address of this partial_symtab. */
CORE_ADDR raw_text_low () const CORE_ADDR raw_text_low () const
{ {
@@ -428,6 +431,11 @@ struct standard_psymtab : public partial_symtab
return compunit_symtab; return compunit_symtab;
} }
void reset_compunit_symtab (struct objfile *) override
{
compunit_symtab = nullptr;
}
/* True if the symtab corresponding to this psymtab has been /* True if the symtab corresponding to this psymtab has been
readin. */ readin. */