diff options
Diffstat (limited to 'gdb/frame.h')
| -rw-r--r-- | gdb/frame.h | 129 |
1 files changed, 54 insertions, 75 deletions
diff --git a/gdb/frame.h b/gdb/frame.h index c4f7c12..70643fd 100644 --- a/gdb/frame.h +++ b/gdb/frame.h @@ -17,7 +17,7 @@ You should have received a copy of the GNU General Public License along with this program. If not, see <http://www.gnu.org/licenses/>. */ -#if !defined (FRAME_H) +#if !defined(FRAME_H) #define FRAME_H 1 /* The following is the intended naming schema for frame functions. @@ -85,12 +85,12 @@ struct frame_print_options; /* The frame object. */ - /* Save and restore the currently selected frame. */ class scoped_restore_selected_frame { public: + /* Save the currently selected frame. */ scoped_restore_selected_frame (); @@ -151,8 +151,8 @@ extern struct frame_id frame_id_build_unavailable_stack (CORE_ADDR code_addr); address (typically the entry point). SPECIAL_ADDR is the special identifier address. */ extern struct frame_id - frame_id_build_unavailable_stack_special (CORE_ADDR code_addr, - CORE_ADDR special_addr); +frame_id_build_unavailable_stack_special (CORE_ADDR code_addr, + CORE_ADDR special_addr); /* Construct a wild card frame ID. The parameter is the frame's constant stack address (typically the outer-bound). The code address as well @@ -205,19 +205,14 @@ enum frame_type class frame_info_ptr : public intrusive_list_node<frame_info_ptr> { public: + /* Create a frame_info_ptr from a raw pointer. */ explicit frame_info_ptr (struct frame_info *ptr); /* Create a null frame_info_ptr. */ - frame_info_ptr () - { - frame_list.push_back (*this); - } + frame_info_ptr () { frame_list.push_back (*this); } - frame_info_ptr (std::nullptr_t) - { - frame_list.push_back (*this); - } + frame_info_ptr (std::nullptr_t) { frame_list.push_back (*this); } frame_info_ptr (const frame_info_ptr &other) : m_ptr (other.m_ptr), @@ -274,8 +269,7 @@ public: return *this; } - frame_info *operator-> () const - { return this->reinflate (); } + frame_info *operator->() const { return this->reinflate (); } /* Fetch the underlying pointer. Note that new code should generally not use this -- avoid it if at all possible. */ @@ -290,32 +284,21 @@ public: /* Return true if this object is empty (does not wrap a frame_info object). */ - bool is_null () const - { - return m_cached_level == this->invalid_level; - }; + bool is_null () const { return m_cached_level == this->invalid_level; }; /* This exists for compatibility with pre-existing code that checked a "frame_info *" using "!". */ - bool operator! () const - { - return this->is_null (); - } + bool operator!() const { return this->is_null (); } /* This exists for compatibility with pre-existing code that checked a "frame_info *" like "if (ptr)". */ - explicit operator bool () const - { - return !this->is_null (); - } + explicit operator bool () const { return !this->is_null (); } /* Invalidate this pointer. */ - void invalidate () - { - m_ptr = nullptr; - } + void invalidate () { m_ptr = nullptr; } private: + /* We sometimes need to construct frame_info_ptr objects around the sentinel_frame, which has level -1. Therefore, make the invalid frame level value -2. */ @@ -447,8 +430,8 @@ extern void select_frame (frame_info_ptr); get_selected_frame directly because this function does not create the selected-frame's frame_info object if it hasn't been created yet, and thus is more efficient and doesn't throw. */ -extern void save_selected_frame (frame_id *frame_id, int *frame_level) - noexcept; +extern void save_selected_frame (frame_id *frame_id, + int *frame_level) noexcept; /* Restore selected frame as saved with save_selected_frame. @@ -458,8 +441,8 @@ extern void save_selected_frame (frame_id *frame_id, int *frame_level) This function does not throw. It is designed to be safe to called from the destructors of RAII types. */ -extern void restore_selected_frame (frame_id frame_id, int frame_level) - noexcept; +extern void restore_selected_frame (frame_id frame_id, + int frame_level) noexcept; /* Given a FRAME, return the next (more inner, younger) or previous (more outer, older) frame. */ @@ -631,7 +614,8 @@ extern const address_space *get_frame_address_space (frame_info_ptr); /* For frames where we can not unwind further, describe why. */ enum unwind_stop_reason - { +{ + #define SET(name, description) name, #define FIRST_ENTRY(name) UNWIND_FIRST = name, #define LAST_ENTRY(name) UNWIND_LAST = name, @@ -642,7 +626,7 @@ enum unwind_stop_reason #undef FIRST_ENTRY #undef LAST_ENTRY #undef FIRST_ERROR - }; +}; /* Return the reason why we can't unwind past this frame. */ @@ -671,9 +655,8 @@ const char *frame_stop_reason_string (frame_info_ptr); value. */ extern void frame_register_unwind (frame_info_ptr frame, int regnum, int *optimizedp, int *unavailablep, - enum lval_type *lvalp, - CORE_ADDR *addrp, int *realnump, - gdb_byte *valuep); + enum lval_type *lvalp, CORE_ADDR *addrp, + int *realnump, gdb_byte *valuep); /* Fetch a register from this, or unwind a register from the next frame. Note that the get_frame methods are wrappers to @@ -681,32 +664,29 @@ extern void frame_register_unwind (frame_info_ptr frame, int regnum, fetch fails. The value methods never return NULL, but usually do return a lazy value. */ -extern void frame_unwind_register (frame_info_ptr next_frame, - int regnum, gdb_byte *buf); -extern void get_frame_register (frame_info_ptr frame, - int regnum, gdb_byte *buf); +extern void frame_unwind_register (frame_info_ptr next_frame, int regnum, + gdb_byte *buf); +extern void get_frame_register (frame_info_ptr frame, int regnum, + gdb_byte *buf); struct value *frame_unwind_register_value (frame_info_ptr next_frame, int regnum); -struct value *get_frame_register_value (frame_info_ptr frame, - int regnum); +struct value *get_frame_register_value (frame_info_ptr frame, int regnum); extern LONGEST frame_unwind_register_signed (frame_info_ptr next_frame, int regnum); -extern LONGEST get_frame_register_signed (frame_info_ptr frame, - int regnum); +extern LONGEST get_frame_register_signed (frame_info_ptr frame, int regnum); extern ULONGEST frame_unwind_register_unsigned (frame_info_ptr frame, int regnum); -extern ULONGEST get_frame_register_unsigned (frame_info_ptr frame, - int regnum); +extern ULONGEST get_frame_register_unsigned (frame_info_ptr frame, int regnum); /* Read a register from this, or unwind a register from the next frame. Note that the read_frame methods are wrappers to get_frame_register_value, that do not throw if the result is optimized out or unavailable. */ -extern bool read_frame_register_unsigned (frame_info_ptr frame, - int regnum, ULONGEST *val); +extern bool read_frame_register_unsigned (frame_info_ptr frame, int regnum, + ULONGEST *val); /* The reverse. Store a register value relative to the specified frame. Note: this call makes the frame's state undefined. The @@ -761,7 +741,8 @@ extern ULONGEST get_frame_memory_unsigned (frame_info_ptr this_frame, /* Same as above, but return true zero when the entire memory read succeeds, false otherwise. */ -extern bool safe_frame_unwind_memory (frame_info_ptr this_frame, CORE_ADDR addr, +extern bool safe_frame_unwind_memory (frame_info_ptr this_frame, + CORE_ADDR addr, gdb::array_view<gdb_byte> buffer); /* Return this frame's architecture. */ @@ -773,7 +754,6 @@ extern struct gdbarch *frame_unwind_arch (frame_info_ptr next_frame); /* Return the previous frame's architecture, skipping inline functions. */ extern struct gdbarch *frame_unwind_caller_arch (frame_info_ptr frame); - /* Values for the source flag to be used in print_frame_info (). For all the cases below, the address is never printed if 'set print address' is off. When 'set print address' is on, @@ -781,22 +761,22 @@ extern struct gdbarch *frame_unwind_caller_arch (frame_info_ptr frame); beginning of the source line of the frame and PRINT_WHAT is != LOC_AND_ADDRESS. */ enum print_what - { - /* Print only the address, source line, like in stepi. */ - SRC_LINE = -1, - /* Print only the location, i.e. level, address, +{ + /* Print only the address, source line, like in stepi. */ + SRC_LINE = -1, + /* Print only the location, i.e. level, address, function, args (as controlled by 'set print frame-arguments'), file, line, line num. */ - LOCATION, - /* Print both of the above. */ - SRC_AND_LOC, - /* Print location only, print the address even if the program counter + LOCATION, + /* Print both of the above. */ + SRC_AND_LOC, + /* Print location only, print the address even if the program counter is at the beginning of the source line. */ - LOC_AND_ADDRESS, - /* Print only level and function, + LOC_AND_ADDRESS, + /* Print only level and function, i.e. location only, without address, file, line, line num. */ - SHORT_LOCATION - }; + SHORT_LOCATION +}; /* Allocate zero initialized memory from the frame cache obstack. Appendices to the frame info (such as the unwind cache) should @@ -805,13 +785,13 @@ enum print_what extern void *frame_obstack_zalloc (unsigned long size); #define FRAME_OBSTACK_ZALLOC(TYPE) \ ((TYPE *) frame_obstack_zalloc (sizeof (TYPE))) -#define FRAME_OBSTACK_CALLOC(NUMBER,TYPE) \ +#define FRAME_OBSTACK_CALLOC(NUMBER, TYPE) \ ((TYPE *) frame_obstack_zalloc ((NUMBER) * sizeof (TYPE))) class readonly_detached_regcache; /* Create a regcache, and copy the frame's registers into it. */ -std::unique_ptr<readonly_detached_regcache> frame_save_as_regcache - (frame_info_ptr this_frame); +std::unique_ptr<readonly_detached_regcache> +frame_save_as_regcache (frame_info_ptr this_frame); extern const struct block *get_frame_block (frame_info_ptr, CORE_ADDR *addr_in_block); @@ -853,8 +833,8 @@ extern frame_info_ptr find_relative_frame (frame_info_ptr, int *); /* Wrapper over print_stack_frame modifying current_uiout with UIOUT for the function call. */ -extern void print_stack_frame_to_uiout (struct ui_out *uiout, - frame_info_ptr, int print_level, +extern void print_stack_frame_to_uiout (struct ui_out *uiout, frame_info_ptr, + int print_level, enum print_what print_what, int set_current_sal); @@ -940,9 +920,8 @@ struct frame_arg const char *entry_kind = nullptr; }; -extern void read_frame_arg (const frame_print_options &fp_opts, - symbol *sym, frame_info_ptr frame, - struct frame_arg *argp, +extern void read_frame_arg (const frame_print_options &fp_opts, symbol *sym, + frame_info_ptr frame, struct frame_arg *argp, struct frame_arg *entryargp); extern void read_frame_local (struct symbol *sym, frame_info_ptr frame, struct frame_arg *argp); @@ -1004,7 +983,8 @@ extern frame_info_ptr create_new_frame (CORE_ADDR base, CORE_ADDR pc); /* Return true if the frame unwinder for frame FI is UNWINDER; false otherwise. */ -extern bool frame_unwinder_is (frame_info_ptr fi, const frame_unwind *unwinder); +extern bool frame_unwinder_is (frame_info_ptr fi, + const frame_unwind *unwinder); /* Return the language of FRAME. */ @@ -1057,5 +1037,4 @@ extern void set_frame_previous_pc_masked (frame_info_ptr frame); extern bool get_frame_pc_masked (frame_info_ptr frame); - #endif /* !defined (FRAME_H) */ |