diff options
| -rw-r--r-- | gdb/ChangeLog | 18 | ||||
| -rw-r--r-- | gdb/Makefile.in | 4 | ||||
| -rw-r--r-- | gdb/config/frv/tm-frv.h | 14 | ||||
| -rw-r--r-- | gdb/frv-tdep.c | 88 |
4 files changed, 81 insertions, 43 deletions
diff --git a/gdb/ChangeLog b/gdb/ChangeLog index cd1cc76..6dc153e 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -1,3 +1,21 @@ +2003-08-20 Michael Snyder <msnyder@redhat.com> + Kevin Buettner <kevinb@redhat.com> + + * frv-tdep.c (gdb_string.h, frame.h, trad-frame.h): Include. + (frv_frame_init_saved_regs): Add declaration. + (frame_extra_info): Add new field ``saved_regs''. + (frv_frame_chain, frv_frame_saved_pc, frv_analyze_prologue) + (frv_skip_prologue, frv_init_extra_frame_info, frv_pop_frame_regular): + Update frame related code. + (frv_extract_struct_value_address): Adjust formatting. + * Makefile.in (frv-tdep.o): Update dependencies. + * config/frv/tm-frv.h (target_insert_watchpoint) + (target_remove_watchpoint, target_insert_hw_breakpoint) + (target_remove_hw_breakpoint): Delete these macros. + (remote_insert_watchpoint, remote_remove_watchpoint) + (remote_insert_hw_watchpoint, remote_remove_hw_watchpoint): Remove + these declarations. + 2003-08-20 Michael Chastain <mec@shout.net> * defs.h (ENUM_BITFIELD): New macro. diff --git a/gdb/Makefile.in b/gdb/Makefile.in index c2e3d0e..39dfab2 100644 --- a/gdb/Makefile.in +++ b/gdb/Makefile.in @@ -1763,8 +1763,8 @@ frame.o: frame.c $(defs_h) $(frame_h) $(target_h) $(value_h) $(inferior_h) \ $(command_h) $(gdbcmd_h) frame-unwind.o: frame-unwind.c $(defs_h) $(frame_h) $(frame_unwind_h) \ $(gdb_assert_h) $(dummy_frame_h) -frv-tdep.o: frv-tdep.c $(defs_h) $(inferior_h) $(symfile_h) $(gdbcore_h) \ - $(arch_utils_h) $(regcache_h) +frv-tdep.o: frv-tdep.c $(defs_h) $(gdb_string_h) $(inferior_h) $(symfile_h) \ + $(gdbcore_h) $(arch_utils_h) $(regcache_h) f-typeprint.o: f-typeprint.c $(defs_h) $(gdb_obstack_h) $(bfd_h) $(symtab_h) \ $(gdbtypes_h) $(expression_h) $(value_h) $(gdbcore_h) $(target_h) \ $(f_lang_h) $(gdb_string_h) diff --git a/gdb/config/frv/tm-frv.h b/gdb/config/frv/tm-frv.h index 40a2480..303d1d3 100644 --- a/gdb/config/frv/tm-frv.h +++ b/gdb/config/frv/tm-frv.h @@ -45,18 +45,4 @@ extern int frv_check_watch_resources (int type, int cnt, int ot); extern CORE_ADDR frv_stopped_data_address(void); /* Use these macros for watchpoint insertion/deletion. */ -#define target_insert_watchpoint(addr, len, type) \ - remote_insert_watchpoint (addr, len, type) -#define target_remove_watchpoint(addr, len, type) \ - remote_remove_watchpoint (addr, len, type) -#define target_insert_hw_breakpoint(addr, shadow) \ - remote_insert_hw_breakpoint (addr, 1) -#define target_remove_hw_breakpoint(addr, shadow) \ - remote_remove_hw_breakpoint (addr, 1) #define target_stopped_data_address() frv_stopped_data_address() - -/* These declarations should be in remote.h, no? */ -extern int remote_insert_watchpoint (CORE_ADDR addr, int len, int type); -extern int remote_remove_watchpoint (CORE_ADDR addr, int len, int type); -extern int remote_insert_hw_breakpoint (CORE_ADDR addr, int len); -extern int remote_remove_hw_breakpoint (CORE_ADDR addr, int len); diff --git a/gdb/frv-tdep.c b/gdb/frv-tdep.c index 82bd7e6..9828b90 100644 --- a/gdb/frv-tdep.c +++ b/gdb/frv-tdep.c @@ -19,11 +19,14 @@ Boston, MA 02111-1307, USA. */ #include "defs.h" +#include "gdb_string.h" #include "inferior.h" #include "symfile.h" /* for entry_point_address */ #include "gdbcore.h" #include "arch-utils.h" #include "regcache.h" +#include "frame.h" +#include "trad-frame.h" extern void _initialize_frv_tdep (void); @@ -37,6 +40,7 @@ static gdbarch_deprecated_extract_struct_value_address_ftype frv_extract_struct_ static gdbarch_frameless_function_invocation_ftype frv_frameless_function_invocation; static gdbarch_deprecated_push_arguments_ftype frv_push_arguments; static gdbarch_deprecated_saved_pc_after_call_ftype frv_saved_pc_after_call; +static void frv_frame_init_saved_regs (struct frame_info *frame); static void frv_pop_frame_regular (struct frame_info *frame); @@ -92,6 +96,9 @@ struct frame_extra_info /* Non-zero if we've saved our return address on the stack yet. Zero if it's still sitting in the link register. */ int lr_saved_on_stack; + + /* Table indicating the location of each and every register. */ + struct trad_frame_saved_reg *saved_regs; }; @@ -271,12 +278,16 @@ static CORE_ADDR frv_frame_chain (struct frame_info *frame) { CORE_ADDR saved_fp_addr; + struct frame_extra_info *extra_info = + get_frame_extra_info (frame); - if (frame->saved_regs && frame->saved_regs[fp_regnum] != 0) - saved_fp_addr = frame->saved_regs[fp_regnum]; + if (extra_info && + extra_info->saved_regs && + extra_info->saved_regs[fp_regnum].addr != 0) + saved_fp_addr = extra_info->saved_regs[fp_regnum].addr; else /* Just assume it was saved in the usual place. */ - saved_fp_addr = frame->frame; + saved_fp_addr = get_frame_base (frame); return read_memory_integer (saved_fp_addr, 4); } @@ -284,28 +295,32 @@ frv_frame_chain (struct frame_info *frame) static CORE_ADDR frv_frame_saved_pc (struct frame_info *frame) { + struct frame_extra_info *extra_info = + get_frame_extra_info (frame); + frv_frame_init_saved_regs (frame); /* Perhaps the prologue analyzer recorded where it was stored. (As of 14 Oct 2001, it never does.) */ - if (frame->saved_regs && frame->saved_regs[pc_regnum] != 0) - return read_memory_integer (frame->saved_regs[pc_regnum], 4); + if (extra_info && extra_info->saved_regs && + extra_info->saved_regs[pc_regnum].addr != 0) + return read_memory_integer (extra_info->saved_regs[pc_regnum].addr, 4); /* If the prologue analyzer tells us the link register was saved on the stack, get it from there. */ - if (frame->extra_info->lr_saved_on_stack) - return read_memory_integer (frame->frame + 8, 4); + if (extra_info->lr_saved_on_stack) + return read_memory_integer (get_frame_base (frame) + 8, 4); /* Otherwise, it's still in LR. However, if FRAME isn't the youngest frame, this is kind of suspicious --- if this frame called somebody else, then its LR has certainly been overwritten. */ - if (! frame->next) + if (! get_next_frame (frame)) return read_register (lr_regnum); /* By default, assume it's saved in the standard place, relative to the frame pointer. */ - return read_memory_integer (frame->frame + 8, 4); + return read_memory_integer (get_frame_base (frame) + 8, 4); } @@ -390,7 +405,7 @@ frv_analyze_prologue (CORE_ADDR pc, struct frame_info *frame) memset (gr_saved, 0, sizeof (gr_saved)); - while (! frame || pc < frame->pc) + while (! frame || pc < get_frame_pc (frame)) { LONGEST op = read_memory_integer (pc, 4); @@ -658,7 +673,10 @@ frv_analyze_prologue (CORE_ADDR pc, struct frame_info *frame) if (frame) { - frame->extra_info->lr_saved_on_stack = lr_saved_on_stack; + struct frame_extra_info *extra_info = + get_frame_extra_info (frame); + + extra_info->lr_saved_on_stack = lr_saved_on_stack; /* If we know the relationship between the stack and frame pointers, record the addresses of the registers we noticed. @@ -667,14 +685,17 @@ frv_analyze_prologue (CORE_ADDR pc, struct frame_info *frame) their addresses relative to the FP. */ if (fp_set) { + struct trad_frame_saved_reg *saved_regs; int i; + saved_regs = extra_info->saved_regs; for (i = 0; i < 64; i++) if (gr_saved[i]) - frame->saved_regs[i] = (frame->frame - - fp_offset + gr_sp_offset[i]); + trad_frame_set_value (saved_regs, i, + get_frame_base (frame) - fp_offset + + gr_sp_offset[i]); - frame->extra_info->fp_to_callers_sp_offset = framesize - fp_offset; + extra_info->fp_to_callers_sp_offset = framesize - fp_offset; } } @@ -716,18 +737,23 @@ frv_skip_prologue (CORE_ADDR pc) static void frv_frame_init_saved_regs (struct frame_info *frame) { - if (frame->saved_regs) + struct frame_extra_info *extra_info = + get_frame_extra_info (frame); + + if (extra_info && extra_info->saved_regs) return; - frame_saved_regs_zalloc (frame); - frame->saved_regs[fp_regnum] = frame->frame; + extra_info->saved_regs = trad_frame_alloc_saved_regs (frame); + trad_frame_set_value (extra_info->saved_regs, + fp_regnum, get_frame_base (frame)); /* Find the beginning of this function, so we can analyze its prologue. */ { CORE_ADDR func_addr, func_end; - if (find_pc_partial_function (frame->pc, NULL, &func_addr, &func_end)) + if (find_pc_partial_function (get_frame_pc (frame), + NULL, &func_addr, &func_end)) frv_analyze_prologue (func_addr, frame); } } @@ -744,7 +770,8 @@ frv_extract_return_value (struct type *type, char *regbuf, char *valbuf) static CORE_ADDR frv_extract_struct_value_address (char *regbuf) { - return extract_unsigned_integer (regbuf + frv_register_byte (struct_return_regnum), + return extract_unsigned_integer (regbuf + + frv_register_byte (struct_return_regnum), 4); } @@ -769,9 +796,12 @@ frv_saved_pc_after_call (struct frame_info *frame) static void frv_init_extra_frame_info (int fromleaf, struct frame_info *frame) { - frame_extra_info_zalloc (frame, sizeof (struct frame_extra_info)); - frame->extra_info->fp_to_callers_sp_offset = 0; - frame->extra_info->lr_saved_on_stack = 0; + struct frame_extra_info *extra_info = + frame_extra_info_zalloc (frame, sizeof (struct frame_extra_info)); + + extra_info->fp_to_callers_sp_offset = 0; + extra_info->lr_saved_on_stack = 0; + extra_info->saved_regs = trad_frame_alloc_saved_regs (frame); } #define ROUND_UP(n,a) (((n)+(a)-1) & ~((a)-1)) @@ -897,25 +927,29 @@ frv_pop_frame (void) static void frv_pop_frame_regular (struct frame_info *frame) { + struct frame_extra_info *extra_info; + struct trad_frame_saved_reg *saved_regs; + CORE_ADDR fp; int regno; - fp = frame->frame; + fp = get_frame_base (frame); frv_frame_init_saved_regs (frame); - + extra_info = get_frame_extra_info (frame); + saved_regs = extra_info->saved_regs; write_register (pc_regnum, frv_frame_saved_pc (frame)); for (regno = 0; regno < frv_num_regs; ++regno) { - if (frame->saved_regs[regno] + if (extra_info->saved_regs[regno].addr && regno != pc_regnum && regno != sp_regnum) { write_register (regno, - read_memory_integer (frame->saved_regs[regno], 4)); + read_memory_integer (saved_regs[regno].addr, 4)); } } - write_register (sp_regnum, fp + frame->extra_info->fp_to_callers_sp_offset); + write_register (sp_regnum, fp + extra_info->fp_to_callers_sp_offset); flush_cached_frames (); } |