diff options
Diffstat (limited to 'gdb/frame.c')
| -rw-r--r-- | gdb/frame.c | 91 |
1 files changed, 77 insertions, 14 deletions
diff --git a/gdb/frame.c b/gdb/frame.c index 07e0e5b15b6..18f95611b37 100644 --- a/gdb/frame.c +++ b/gdb/frame.c @@ -674,12 +674,12 @@ frame_read_signed_register (struct frame_info *frame, int regnum, } void -generic_unwind_get_saved_register (char *raw_buffer, - int *optimizedp, - CORE_ADDR *addrp, - struct frame_info *frame, - int regnum, - enum lval_type *lvalp) +deprecated_unwind_get_saved_register (char *raw_buffer, + int *optimizedp, + CORE_ADDR *addrp, + struct frame_info *frame, + int regnum, + enum lval_type *lvalp) { int optimizedx; CORE_ADDR addrx; @@ -778,7 +778,7 @@ frame_map_regnum_to_name (int regnum) /* Create a sentinel frame. */ -struct frame_info * +static struct frame_info * create_sentinel_frame (struct regcache *regcache) { struct frame_info *frame = FRAME_OBSTACK_ZALLOC (struct frame_info); @@ -1944,11 +1944,11 @@ get_prev_frame (struct frame_info *this_frame) Doing this makes it possible for the user to examine a frame that has an invalid frame ID. - The very old VAX frame_args_address_correct() method noted: [...] - For the sake of argument, suppose that the stack is somewhat - trashed (which is one reason that "info frame" exists). So, - return 0 (indicating we don't know the address of the arglist) if - we don't know what frame this frame calls. */ + Some very old VAX code noted: [...] For the sake of argument, + suppose that the stack is somewhat trashed (which is one reason + that "info frame" exists). So, return 0 (indicating we don't + know the address of the arglist) if we don't know what frame this + frame calls. */ /* Link it in. */ this_frame->prev = prev_frame; @@ -2219,6 +2219,68 @@ deprecated_frame_xmalloc_with_cleanup (long sizeof_saved_regs, return frame; } +/* Memory access methods. */ + +void +get_frame_memory (struct frame_info *this_frame, CORE_ADDR addr, void *buf, + int len) +{ + read_memory (addr, buf, len); +} + +LONGEST +get_frame_memory_signed (struct frame_info *this_frame, CORE_ADDR addr, + int len) +{ + return read_memory_integer (addr, len); +} + +ULONGEST +get_frame_memory_unsigned (struct frame_info *this_frame, CORE_ADDR addr, + int len) +{ + return read_memory_unsigned_integer (addr, len); +} + +/* Architecture method. */ + +struct gdbarch * +get_frame_arch (struct frame_info *this_frame) +{ + return current_gdbarch; +} + +/* Stack pointer methods. */ + +CORE_ADDR +get_frame_sp (struct frame_info *this_frame) +{ + return frame_sp_unwind (this_frame->next); +} + +CORE_ADDR +frame_sp_unwind (struct frame_info *next_frame) +{ + /* Normality, an architecture that provides a way of obtaining any + frame inner-most address. */ + if (gdbarch_unwind_sp_p (current_gdbarch)) + return gdbarch_unwind_sp (current_gdbarch, next_frame); + /* Things are looking grim. If it's the inner-most frame and there + is a TARGET_READ_SP then that can be used. */ + if (next_frame->level < 0 && TARGET_READ_SP_P ()) + return TARGET_READ_SP (); + /* Now things are really are grim. Hope that the value returned by + the SP_REGNUM register is meaningful. */ + if (SP_REGNUM >= 0) + { + ULONGEST sp; + frame_unwind_unsigned_register (next_frame, SP_REGNUM, &sp); + return sp; + } + internal_error (__FILE__, __LINE__, "Missing unwind SP method"); +} + + int legacy_frame_p (struct gdbarch *current_gdbarch) { @@ -2226,10 +2288,11 @@ legacy_frame_p (struct gdbarch *current_gdbarch) || DEPRECATED_INIT_FRAME_PC_FIRST_P () || DEPRECATED_INIT_EXTRA_FRAME_INFO_P () || DEPRECATED_FRAME_CHAIN_P () - || !gdbarch_unwind_dummy_id_p (current_gdbarch) - || !SAVE_DUMMY_FRAME_TOS_P ()); + || !gdbarch_unwind_dummy_id_p (current_gdbarch)); } +extern initialize_file_ftype _initialize_frame; /* -Wmissing-prototypes */ + void _initialize_frame (void) { |