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* config/mips/tm-mips.h (struct frame_info): Forward decl.
(struct type): Ditto. (struct value): Ditto. * config/mips/tm-mips.h (sigtramp_address): Move extern decl from mips-tdep.c to here. (sigtramp_end): Ditto. (fixup_sigtramp): Ditto. * config/mips/tm-mips.h (init_extra_frame_info): Add prototype. (mips_frame_chain): Ditto. (mips_step_skips_delay): Ditto. (mips_frame_saved_pc): Ditto. (mips_find_saved_regs): Ditto. (mips_frame_num_args): Ditto. (mips_pop_frame): Ditto. (mips_extract_return_value): Ditto. (mips_store_return_value): Ditto. (mips_push_dummy_frame): Ditto. (mips_push_arguments): Ditto. (mips_do_registers_info): Ditto. (ecoff_relocate_efi): Ditto. (ecoff_relocate_efi): Ditto. * irix4-nat.c (fetch_core_registers): Add prototype. * mips-tdep.c (read_next_frame_reg): Add prototype (heuristic_proc_start): Ditto. (heuristic_proc_desc): Ditto. (mips_print_register): Ditto. * config/mips/nm-irix5.h (procfs_set_watchpoint): Add prototype. (procfs_stopped_by_watchpoint): Ditto. * config/mips/nm-irix4.h (procfs_set_watchpoint): Add prototype. (procfs_stopped_by_watchpoint): Ditto. * config/alpha/tm-alpha.h (ecoff_relocate_efi): Add prototype. (struct symbol): Add forward decl for prototype. * breakpoint.c (internal_breakpoint_number): Only needed if GET_LONGJMP_TARGET or SOLIB_ADD is defined. * objfiles.c (ecoff_relocate_efi): Remove prototype.
This commit is contained in:
Fred Fish
parent
3f550b5940
commit
f2bf454e0f
@ -1,3 +1,45 @@
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Sun Jul 28 10:46:39 1996 Fred Fish <fnf@cygnus.com>
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* config/mips/tm-mips.h (struct frame_info): Forward decl.
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(struct type): Ditto.
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(struct value): Ditto.
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* config/mips/tm-mips.h (sigtramp_address): Move extern decl
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from mips-tdep.c to here.
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(sigtramp_end): Ditto.
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(fixup_sigtramp): Ditto.
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* config/mips/tm-mips.h (init_extra_frame_info): Add prototype.
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(mips_frame_chain): Ditto.
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(mips_step_skips_delay): Ditto.
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(mips_frame_saved_pc): Ditto.
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(mips_find_saved_regs): Ditto.
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(mips_frame_num_args): Ditto.
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(mips_pop_frame): Ditto.
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(mips_extract_return_value): Ditto.
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(mips_store_return_value): Ditto.
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(mips_push_dummy_frame): Ditto.
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(mips_push_arguments): Ditto.
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(mips_do_registers_info): Ditto.
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(ecoff_relocate_efi): Ditto.
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(ecoff_relocate_efi): Ditto.
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* irix4-nat.c (fetch_core_registers): Add prototype.
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* mips-tdep.c (read_next_frame_reg): Add prototype
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(heuristic_proc_start): Ditto.
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(heuristic_proc_desc): Ditto.
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(mips_print_register): Ditto.
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* config/mips/nm-irix5.h (procfs_set_watchpoint): Add prototype.
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(procfs_stopped_by_watchpoint): Ditto.
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* config/mips/nm-irix4.h (procfs_set_watchpoint): Add prototype.
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(procfs_stopped_by_watchpoint): Ditto.
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* config/alpha/tm-alpha.h (ecoff_relocate_efi): Add prototype.
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(struct symbol): Add forward decl for prototype.
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* breakpoint.c (internal_breakpoint_number): Only needed if
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GET_LONGJMP_TARGET or SOLIB_ADD is defined.
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* objfiles.c (ecoff_relocate_efi): Remove prototype.
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Sat Jul 27 17:47:35 1996 Fred Fish <fnf@cygnus.com>
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* configure.in: Add test for "long long" support.
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@ -47,6 +47,7 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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#define STOPPED_BY_WATCHPOINT(W) \
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procfs_stopped_by_watchpoint(inferior_pid)
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extern int procfs_stopped_by_watchpoint PARAMS ((int));
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#define HAVE_NONSTEPPABLE_WATCHPOINT
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@ -54,3 +55,4 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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/* type can be 0: write watch, 1: read watch, 2: access watch (read/write) */
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#define target_insert_watchpoint(addr, len, type) procfs_set_watchpoint (inferior_pid, addr, len, 2)
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#define target_remove_watchpoint(addr, len, type) procfs_set_watchpoint (inferior_pid, addr, 0, 0)
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extern int procfs_set_watchpoint PARAMS ((int, CORE_ADDR, int, int));
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@ -20,6 +20,13 @@ You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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#ifdef __STDC__
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struct frame_info;
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struct symbol;
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struct type;
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struct value;
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#endif
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#include <bfd.h>
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#include "coff/sym.h" /* Needed for PDR below. */
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#include "coff/symconst.h"
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@ -72,6 +79,7 @@ extern CORE_ADDR mips_skip_prologue PARAMS ((CORE_ADDR addr, int lenient));
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/* Return non-zero if PC points to an instruction which will cause a step
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to execute both the instruction at PC and an instruction at PC+4. */
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#define STEP_SKIPS_DELAY(pc) (mips_step_skips_delay (pc))
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extern int mips_step_skips_delay PARAMS ((CORE_ADDR));
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/* Immediately after a function call, return the saved pc.
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Can't always go through the frames for this because on some machines
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@ -173,6 +181,7 @@ extern int in_sigtramp PARAMS ((CORE_ADDR, char *));
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of register dumps. */
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#define DO_REGISTERS_INFO(_regnum, fp) mips_do_registers_info(_regnum, fp)
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extern void mips_do_registers_info PARAMS ((int, int));
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/* Total amount of space needed to store our copies of the machine's
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register state, the array `registers'. */
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@ -245,12 +254,15 @@ extern int in_sigtramp PARAMS ((CORE_ADDR, char *));
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#define EXTRACT_RETURN_VALUE(TYPE,REGBUF,VALBUF) \
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mips_extract_return_value(TYPE, REGBUF, VALBUF)
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extern void
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mips_extract_return_value PARAMS ((struct type *, char [], char *));
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/* Write into appropriate registers a function return value
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of type TYPE, given in virtual format. */
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#define STORE_RETURN_VALUE(TYPE,VALBUF) \
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mips_store_return_value(TYPE, VALBUF)
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extern void mips_store_return_value PARAMS ((struct type *, char *));
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/* Extract from an array REGBUF containing the (raw) register state
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the address in which a function should return its structure value,
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@ -275,6 +287,7 @@ extern int in_sigtramp PARAMS ((CORE_ADDR, char *));
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and produces the frame's chain-pointer. */
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#define FRAME_CHAIN(thisframe) (CORE_ADDR) mips_frame_chain (thisframe)
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extern CORE_ADDR mips_frame_chain PARAMS ((struct frame_info *));
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/* Define other aspects of the stack frame. */
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@ -289,6 +302,7 @@ extern int in_sigtramp PARAMS ((CORE_ADDR, char *));
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/* Saved Pc. */
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#define FRAME_SAVED_PC(FRAME) (mips_frame_saved_pc(FRAME))
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extern int mips_frame_saved_pc PARAMS ((struct frame_info *));
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#define FRAME_ARGS_ADDRESS(fi) (fi)->frame
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@ -298,6 +312,7 @@ extern int in_sigtramp PARAMS ((CORE_ADDR, char *));
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Can return -1, meaning no way to tell. */
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#define FRAME_NUM_ARGS(num, fi) (num = mips_frame_num_args(fi))
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extern int mips_frame_num_args PARAMS ((struct frame_info *));
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/* Return number of bytes at start of arglist that are not really args. */
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@ -316,6 +331,7 @@ extern int in_sigtramp PARAMS ((CORE_ADDR, char *));
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(frame_saved_regs) = *(frame_info)->saved_regs; \
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(frame_saved_regs).regs[SP_REGNUM] = (frame_info)->frame; \
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} while (0)
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extern void mips_find_saved_regs PARAMS ((struct frame_info *));
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/* Things needed for making the inferior call functions. */
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@ -326,14 +342,18 @@ extern int in_sigtramp PARAMS ((CORE_ADDR, char *));
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#define PUSH_ARGUMENTS(nargs, args, sp, struct_return, struct_addr) \
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sp = mips_push_arguments(nargs, args, sp, struct_return, struct_addr)
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extern CORE_ADDR
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mips_push_arguments PARAMS ((int, struct value **, CORE_ADDR, int, CORE_ADDR));
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/* Push an empty stack frame, to record the current PC, etc. */
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#define PUSH_DUMMY_FRAME mips_push_dummy_frame()
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extern void mips_push_dummy_frame PARAMS ((void));
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/* Discard from the stack the innermost frame, restoring all registers. */
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#define POP_FRAME mips_pop_frame()
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extern void mips_pop_frame PARAMS ((void));
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#define MK_OP(op,rs,rt,offset) (((op)<<26)|((rs)<<21)|((rt)<<16)|(offset))
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#ifndef OP_LDFPR
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@ -448,6 +468,7 @@ extern int in_sigtramp PARAMS ((CORE_ADDR, char *));
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mips_extra_func_info_t's off of this. */
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#define MIPS_EFI_SYMBOL_NAME "__GDB_EFI_INFO__"
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extern void ecoff_relocate_efi PARAMS ((struct symbol *, CORE_ADDR));
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/* Specific information about a procedure.
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This overlays the MIPS's PDR records,
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@ -464,6 +485,7 @@ typedef struct mips_extra_func_info {
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struct frame_saved_regs *saved_regs;
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#define INIT_EXTRA_FRAME_INFO(fromleaf, fci) init_extra_frame_info(fci)
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extern void init_extra_frame_info PARAMS ((struct frame_info *));
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#define PRINT_EXTRA_FRAME_INFO(fi) \
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{ \
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@ -510,3 +532,8 @@ extern struct frame_info *setup_arbitrary_frame PARAMS ((int, CORE_ADDR *));
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probably much more common. (FIXME). */
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#define COERCE_FLOAT_TO_DOUBLE (current_language -> la_language == language_c)
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/* These are defined in mdebugread.c and are used in mips-tdep.c */
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extern CORE_ADDR sigtramp_address, sigtramp_end;
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extern void fixup_sigtramp PARAMS ((void));
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@ -35,6 +35,9 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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typedef unsigned int greg_t; /* why isn't this defined? */
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static void
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fetch_core_registers PARAMS ((char *, unsigned int, int, unsigned int));
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/*
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* See the comment in m68k-tdep.c regarding the utility of these functions.
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*/
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@ -44,6 +44,15 @@ extern struct obstack frame_cache_obstack;
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static int mips_in_lenient_prologue PARAMS ((CORE_ADDR, CORE_ADDR));
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#endif
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static void mips_print_register PARAMS ((int, int));
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static mips_extra_func_info_t
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heuristic_proc_desc PARAMS ((CORE_ADDR, CORE_ADDR, struct frame_info *));
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static CORE_ADDR heuristic_proc_start PARAMS ((CORE_ADDR));
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static int read_next_frame_reg PARAMS ((struct frame_info *, int));
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static void mips_set_fpu_command PARAMS ((char *, int,
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struct cmd_list_element *));
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@ -59,6 +68,12 @@ static void mips_show_processor_type_command PARAMS ((char *, int));
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static void reinit_frame_cache_sfunc PARAMS ((char *, int,
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struct cmd_list_element *));
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static mips_extra_func_info_t
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find_proc_desc PARAMS ((CORE_ADDR pc, struct frame_info *next_frame));
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static CORE_ADDR after_prologue PARAMS ((CORE_ADDR pc,
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mips_extra_func_info_t proc_desc));
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/* This value is the model of MIPS in use. It is derived from the value
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of the PrID register. */
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@ -186,6 +201,44 @@ struct linked_proc_info
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} *linked_proc_desc_table = NULL;
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/* This returns the PC of the first inst after the prologue. If we can't
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find the prologue, then return 0. */
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static CORE_ADDR
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after_prologue (pc, proc_desc)
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CORE_ADDR pc;
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mips_extra_func_info_t proc_desc;
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{
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struct symtab_and_line sal;
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CORE_ADDR func_addr, func_end;
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if (!proc_desc)
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proc_desc = find_proc_desc (pc, NULL);
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if (proc_desc)
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{
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/* If function is frameless, then we need to do it the hard way. I
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strongly suspect that frameless always means prologueless... */
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if (PROC_FRAME_REG (proc_desc) == SP_REGNUM
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&& PROC_FRAME_OFFSET (proc_desc) == 0)
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return 0;
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}
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if (!find_pc_partial_function (pc, NULL, &func_addr, &func_end))
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return 0; /* Unknown */
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sal = find_pc_line (func_addr, 0);
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if (sal.end < func_end)
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return sal.end;
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/* The line after the prologue is after the end of the function. In this
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case, tell the caller to find the prologue the hard way. */
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return 0;
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}
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/* Guaranteed to set fci->saved_regs to some values (it never leaves it
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NULL). */
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@ -258,6 +311,11 @@ mips_find_saved_regs (fci)
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/* In a dummy frame we know exactly where things are saved. */
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&& !PROC_DESC_IS_DUMMY (proc_desc)
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/* Don't bother unless we are inside a function prologue. Outside the
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prologue, we know where everything is. */
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&& in_prologue (fci->pc, PROC_LOW_ADDR (proc_desc))
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/* Not sure exactly what kernel_trap means, but if it means
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the kernel saves the registers without a prologue doing it,
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we better not examine the prologue to see whether registers
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@ -1129,6 +1187,19 @@ mips_skip_prologue (pc, lenient)
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int offset;
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int seen_sp_adjust = 0;
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int load_immediate_bytes = 0;
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CORE_ADDR post_prologue_pc;
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/* See if we can determine the end of the prologue via the symbol table.
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If so, then return either PC, or the PC after the prologue, whichever
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is greater. */
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post_prologue_pc = after_prologue (pc, NULL);
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if (post_prologue_pc != 0)
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return max (pc, post_prologue_pc);
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/* Can't determine prologue from the symbol table, need to examine
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instructions. */
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/* Skip the typical prologue instructions. These are the stack adjustment
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instruction and the instructions that save registers on the stack
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@ -1284,10 +1355,6 @@ mips_store_return_value (valtype, valbuf)
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write_register_bytes(REGISTER_BYTE (regnum), raw_buffer, TYPE_LENGTH (valtype));
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}
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/* These exist in mdebugread.c. */
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extern CORE_ADDR sigtramp_address, sigtramp_end;
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extern void fixup_sigtramp PARAMS ((void));
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/* Exported procedure: Is PC in the signal trampoline code */
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int
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@ -35,10 +35,6 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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#include "obstack.h"
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#include "gdb_string.h"
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/* FIXME: imported from mdebugread.c */
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extern void ecoff_relocate_efi PARAMS ((struct symbol *, CORE_ADDR));
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/* Prototypes for local functions */
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#if !defined(NO_MMALLOC) && defined(HAVE_MMAP)
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