diff options
Diffstat (limited to 'gdb/dwarf2/read.h')
| -rw-r--r-- | gdb/dwarf2/read.h | 68 |
1 files changed, 48 insertions, 20 deletions
diff --git a/gdb/dwarf2/read.h b/gdb/dwarf2/read.h index 3177b19..a5cfb31 100644 --- a/gdb/dwarf2/read.h +++ b/gdb/dwarf2/read.h @@ -20,9 +20,12 @@ #ifndef GDB_DWARF2_READ_H #define GDB_DWARF2_READ_H +#if CXX_STD_THREAD +#include <mutex> +#endif #include <queue> #include "dwarf2/abbrev.h" -#include "dwarf2/comp-unit-head.h" +#include "dwarf2/unit-head.h" #include "dwarf2/file-and-dir.h" #include "dwarf2/index-cache.h" #include "dwarf2/mapped-index.h" @@ -233,14 +236,14 @@ public: /* Backlink to the owner of this. */ dwarf2_per_bfd *per_bfd; - /* DWARF header of this CU. Note that dwarf2_cu reads its own version of the - header, which may differ from this one, since it may pass rcuh_kind::TYPE - to read_comp_unit_head, whereas for dwarf2_per_cu we always pass - rcuh_kind::COMPILE. + /* DWARF header of this unit. Note that dwarf2_cu reads its own version of + the header, which may differ from this one, since it may pass + rch_kind::TYPE to read_unit_head, whereas for dwarf2_per_cu we always pass + ruh_kind::COMPILE. Don't access this field directly, use the get_header method instead. It should be private, but we can't make it private at the moment. */ - mutable comp_unit_head m_header; + mutable unit_head m_header; /* The file and directory for this CU. This is cached so that we don't need to re-examine the DWO in some situations. This may be @@ -271,7 +274,7 @@ public: std::vector<dwarf2_per_cu *> imported_symtabs; /* Get the header of this per_cu, reading it if necessary. */ - const comp_unit_head *get_header () const; + const unit_head *get_header () const; /* Return the address size given in the compilation unit header for this CU. */ @@ -512,8 +515,8 @@ struct dwarf2_per_bfd const char *filename () const { return bfd_get_filename (this->obfd); } - /* Return the CU given its index. */ - dwarf2_per_cu *get_cu (int index) const + /* Return the unit given its index. */ + dwarf2_per_cu *get_unit (int index) const { return this->all_units[index].get (); } @@ -522,7 +525,7 @@ struct dwarf2_per_bfd dwarf2_per_cu *get_index_cu (int index) const { if (this->all_comp_units_index_cus.empty ()) - return get_cu (index); + return get_unit (index); return this->all_comp_units_index_cus[index]; } @@ -533,9 +536,9 @@ struct dwarf2_per_bfd } /* Return the separate '.dwz' debug file. If there is no - .gnu_debugaltlink section in the file, then the result depends on - REQUIRE: if REQUIRE is true, error out; if REQUIRE is false, - return nullptr. */ + .gnu_debugaltlink or .debug_sup section in the file, then the + result depends on REQUIRE: if REQUIRE is true, error out; if + REQUIRE is false, return nullptr. */ struct dwz_file *get_dwz_file (bool require = false) { gdb_assert (!require || this->dwz_file.has_value ()); @@ -546,7 +549,7 @@ struct dwarf2_per_bfd { result = this->dwz_file->get (); if (require && result == nullptr) - error (_("could not read '.gnu_debugaltlink' section")); + error (_("could not find supplementary DWARF file")); } return result; @@ -634,8 +637,10 @@ public: /* Set of dwo_file objects. */ dwo_file_up_set dwo_files; - /* True if we've checked for whether there is a DWP file. */ - bool dwp_checked = false; +#if CXX_STD_THREAD + /* Mutex to synchronize access to DWO_FILES. */ + std::mutex dwo_files_lock; +#endif /* The DWP file if there is one, or NULL. */ dwp_file_up dwp_file; @@ -705,7 +710,7 @@ public: dwarf2_per_cu *operator* () const { - return m_per_bfd->get_cu (m_index); + return m_per_bfd->get_unit (m_index); } bool operator== (const all_units_iterator &other) const @@ -815,7 +820,7 @@ struct dwarf2_per_objfile BUF is assumed to be in a compilation unit described by CU_HEADER. Return *BYTES_READ_PTR count of bytes read from BUF. */ const char *read_line_string (const gdb_byte *buf, - const struct comp_unit_head *cu_header, + const struct unit_head *unit_header, unsigned int *bytes_read_ptr); /* Return pointer to string at .debug_line_str offset as read from BUF. @@ -937,8 +942,6 @@ public: DISABLE_COPY_AND_ASSIGN (cutu_reader); - cutu_reader (cutu_reader &&) = default; - /* Return true if either: - the unit is empty (just a header without any DIE) @@ -1028,6 +1031,31 @@ private: const char *read_dwo_str_index (ULONGEST str_index); + gdb_bfd_ref_ptr open_dwo_file (dwarf2_per_bfd *per_bfd, const char *file_name, + const char *comp_dir); + + dwo_file_up open_and_init_dwo_file (dwarf2_cu *cu, const char *dwo_name, + const char *comp_dir); + + void locate_dwo_sections (objfile *objfile, dwo_file &dwo_file); + + void create_dwo_unit_hash_tables (dwo_file &dwo_file, dwarf2_cu &skeleton_cu, + dwarf2_section_info §ion, + ruh_kind section_kind); + + dwo_unit *lookup_dwo_cutu (dwarf2_cu *cu, const char *dwo_name, + const char *comp_dir, ULONGEST signature, + int is_debug_types); + + dwo_unit *lookup_dwo_comp_unit (dwarf2_cu *cu, const char *dwo_name, + const char *comp_dir, ULONGEST signature); + + dwo_unit *lookup_dwo_type_unit (dwarf2_cu *cu, const char *dwo_name, + const char *comp_dir); + + dwo_unit *lookup_dwo_unit (dwarf2_cu *cu, die_info *comp_unit_die, + const char *dwo_name); + /* The bfd of die_section. */ bfd *m_abfd; |